diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-16 02:16:07 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-16 02:16:07 +0400 |
| commit | 2502991560dc8244dbe10e48473d85722c1e2ec1 (patch) | |
| tree | 63b1f3be2ed56ff06f1e8db709e4ce85d69c3add /arch/blackfin | |
| parent | 7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4 (diff) | |
| parent | a9ff8f6462635c8d9f8d64b7b10ddcea8404d77b (diff) | |
| download | linux-2502991560dc8244dbe10e48473d85722c1e2ec1.tar.xz | |
Merge branch 'fixes' into for-linus
Conflicts:
arch/arm/mach-versatile/core.c
Diffstat (limited to 'arch/blackfin')
70 files changed, 4522 insertions, 903 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 4154ff1101fa..8102c79aaa94 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -162,16 +162,28 @@ config BF549 config BF561 bool "BF561" help - Not Supported Yet - Work in progress - BF561 Processor Support. + BF561 Processor Support. endchoice +config BF_REV_MIN + int + default 0 if (BF52x || BF54x) + default 2 if (BF537 || BF536 || BF534) + default 3 if (BF561 ||BF533 || BF532 || BF531) + +config BF_REV_MAX + int + default 2 if (BF52x || BF54x) + default 3 if (BF537 || BF536 || BF534) + default 5 if (BF561) + default 6 if (BF533 || BF532 || BF531) + choice prompt "Silicon Rev" - default BF_REV_0_1 if BF527 - default BF_REV_0_2 if BF537 - default BF_REV_0_3 if BF533 - default BF_REV_0_0 if BF549 + default BF_REV_0_1 if (BF52x || BF54x) + default BF_REV_0_2 if (BF534 || BF536 || BF537) + default BF_REV_0_3 if (BF531 || BF532 || BF533 || BF561) config BF_REV_0_0 bool "0.0" @@ -183,7 +195,7 @@ config BF_REV_0_1 config BF_REV_0_2 bool "0.2" - depends on (BF537 || BF536 || BF534) + depends on (BF52x || BF537 || BF536 || BF534 || BF54x) config BF_REV_0_3 bool "0.3" @@ -197,6 +209,10 @@ config BF_REV_0_5 bool "0.5" depends on (BF561 || BF533 || BF532 || BF531) +config BF_REV_0_6 + bool "0.6" + depends on (BF533 || BF532 || BF531) + config BF_REV_ANY bool "any" @@ -249,7 +265,7 @@ config MEM_MT48LC8M32B2B5_7 config MEM_MT48LC32M16A2TG_75 bool - depends on (BFIN527_EZKIT || BFIN532_IP0X || BLACKSTAMP) + depends on (BFIN527_EZKIT || BFIN532_IP0X || BLACKSTAMP || BFIN526_EZBRD) default y source "arch/blackfin/mach-bf527/Kconfig" @@ -286,13 +302,20 @@ config BOOT_LOAD memory region is used to capture NULL pointer references as well as some core kernel functions. +config ROM_BASE + hex "Kernel ROM Base" + default "0x20040000" + range 0x20000000 0x20400000 if !(BF54x || BF561) + range 0x20000000 0x30000000 if (BF54x || BF561) + help + comment "Clock/PLL Setup" config CLKIN_HZ int "Frequency of the crystal on the board in Hz" default "11059200" if BFIN533_STAMP default "27000000" if BFIN533_EZKIT - default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS || BLACKSTAMP) + default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS || BLACKSTAMP || BFIN526_EZBRD) default "30000000" if BFIN561_EZKIT default "24576000" if PNAV10 default "10000000" if BFIN532_IP0X @@ -332,7 +355,7 @@ config VCO_MULT default "22" if BFIN533_BLUETECHNIX_CM default "20" if (BFIN537_BLUETECHNIX_CM || BFIN527_BLUETECHNIX_CM || BFIN561_BLUETECHNIX_CM) default "20" if BFIN561_EZKIT - default "16" if (H8606_HVSISTEMAS || BLACKSTAMP) + default "16" if (H8606_HVSISTEMAS || BLACKSTAMP || BFIN526_EZBRD) help This controls the frequency of the on-chip PLL. This can be between 1 and 64. PLL Frequency = (Crystal Frequency) * (this setting) @@ -368,14 +391,6 @@ config SCLK_DIV This can be between 1 and 15 System Clock = (PLL frequency) / (this setting) -config MAX_MEM_SIZE - int "Max SDRAM Memory Size in MBytes" - depends on !MPU - default 512 - help - This is the max memory size that the kernel will create CPLB - tables for. Your system will not be able to handle any more. - choice prompt "DDR SDRAM Chip Type" depends on BFIN_KERNEL_CLOCK @@ -389,6 +404,14 @@ config MEM_MT46V32M16_5B bool "MT46V32M16_5B" endchoice +config MAX_MEM_SIZE + int "Max SDRAM Memory Size in MBytes" + depends on !MPU + default 512 + help + This is the max memory size that the kernel will create CPLB + tables for. Your system will not be able to handle any more. + # # Max & Min Speeds for various Chips # @@ -455,8 +478,6 @@ config CYCLES_CLOCKSOURCE source kernel/time/Kconfig -comment "Memory Setup" - comment "Misc" choice @@ -622,6 +643,15 @@ config CPLB_SWITCH_TAB_L1 If enabled, the CPLB Switch Tables are linked into L1 data memory. (less latency) +config APP_STACK_L1 + bool "Support locating application stack in L1 Scratch Memory" + default y + help + If enabled the application stack can be located in L1 + scratch memory (less latency). + + Currently only works with FLAT binaries. + comment "Speed Optimizations" config BFIN_INS_LOWOVERHEAD bool "ins[bwl] low overhead, higher interrupt latency" @@ -755,6 +785,13 @@ config BFIN_WT endchoice +config BFIN_L2_CACHEABLE + bool "Cache L2 SRAM" + depends on (BFIN_DCACHE || BFIN_ICACHE) && (BF54x || BF561) + default n + help + Select to make L2 SRAM cacheable in L1 data and instruction cache. + config MPU bool "Enable the memory protection unit (EXPERIMENTAL)" default n diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index c468624d55f0..3ad25983ec97 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -2,6 +2,22 @@ menu "Kernel hacking" source "lib/Kconfig.debug" +config HAVE_ARCH_KGDB + def_bool y + +config DEBUG_VERBOSE + bool "Verbose fault messages" + default y + select PRINTK + help + When a program crashes due to an exception, or the kernel detects + an internal error, the kernel can print a not so brief message + explaining what the problem was. This debugging information is + useful to developers and kernel hackers when tracking down problems, + but mostly meaningless to other people. This is always helpful for + debugging but serves no purpose on a production system. + Most people should say N here. + config DEBUG_MMRS bool "Generate Blackfin MMR tree" select DEBUG_FS @@ -22,6 +38,44 @@ config DEBUG_HWERR hardware error interrupts and need to know where they are coming from. +config DEBUG_DOUBLEFAULT + bool "Debug Double Faults" + default n + help + If an exception is caused while executing code within the exception + handler, the NMI handler, the reset vector, or in emulator mode, + a double fault occurs. On the Blackfin, this is a unrecoverable + event. You have two options: + - RESET exactly when double fault occurs. The excepting + instruction address is stored in RETX, where the next kernel + boot will print it out. + - Print debug message. This is much more error prone, although + easier to handle. It is error prone since: + - The excepting instruction is not committed. + - All writebacks from the instruction are prevented. + - The generated exception is not taken. + - The EXCAUSE field is updated with an unrecoverable event + The only way to check this is to see if EXCAUSE contains the + unrecoverable event value at every exception return. By selecting + this option, you are skipping over the faulting instruction, and + hoping things stay together enough to print out a debug message. + + This does add a little kernel code, but is the only method to debug + double faults - if unsure say "Y" + +choice + prompt "Double Fault Failure Method" + default DEBUG_DOUBLEFAULT_PRINT + depends on DEBUG_DOUBLEFAULT + +config DEBUG_DOUBLEFAULT_PRINT + bool "Print" + +config DEBUG_DOUBLEFAULT_RESET + bool "Reset" + +endchoice + config DEBUG_ICACHE_CHECK bool "Check Instruction cache coherency" depends on DEBUG_KERNEL @@ -143,6 +197,7 @@ config DEBUG_BFIN_NO_KERN_HWTRACE config EARLY_PRINTK bool "Early printk" default n + select SERIAL_CORE_CONSOLE help This option enables special console drivers which allow the kernel to print messages very early in the bootup process. diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile index eac0533d6e4f..6bf50977850c 100644 --- a/arch/blackfin/Makefile +++ b/arch/blackfin/Makefile @@ -67,6 +67,7 @@ rev-$(CONFIG_BF_REV_0_2) := 0.2 rev-$(CONFIG_BF_REV_0_3) := 0.3 rev-$(CONFIG_BF_REV_0_4) := 0.4 rev-$(CONFIG_BF_REV_0_5) := 0.5 +rev-$(CONFIG_BF_REV_0_6) := 0.6 rev-$(CONFIG_BF_REV_NONE) := none rev-$(CONFIG_BF_REV_ANY) := any diff --git a/arch/blackfin/configs/BF526-EZBRD_defconfig b/arch/blackfin/configs/BF526-EZBRD_defconfig new file mode 100644 index 000000000000..c33bf6f83813 --- /dev/null +++ b/arch/blackfin/configs/BF526-EZBRD_defconfig @@ -0,0 +1,1427 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.26.3 +# Thu Aug 28 16:49:53 2008 +# +# CONFIG_MMU is not set +# CONFIG_FPU is not set +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_BLACKFIN=y +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_GENERIC_GPIO=y +CONFIG_FORCE_MAX_ZONEORDER=14 +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_CGROUPS is not set +# CONFIG_GROUP_SCHED is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_COMPAT_BRK=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_HAVE_KPROBES is not set +# CONFIG_HAVE_KRETPROBES is not set +# CONFIG_HAVE_DMA_ATTRS is not set +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +CONFIG_TINY_SHMEM=y +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set +# CONFIG_BLK_DEV_BSG is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +CONFIG_DEFAULT_NOOP=y +CONFIG_DEFAULT_IOSCHED="noop" +CONFIG_CLASSIC_RCU=y +# CONFIG_PREEMPT_NONE is not set +CONFIG_PREEMPT_VOLUNTARY=y +# CONFIG_PREEMPT is not set + +# +# Blackfin Processor Options +# + +# +# Processor and Board Settings +# +# CONFIG_BF522 is not set +# CONFIG_BF523 is not set +# CONFIG_BF524 is not set +# CONFIG_BF525 is not set +CONFIG_BF526=y +# CONFIG_BF527 is not set +# CONFIG_BF531 is not set +# CONFIG_BF532 is not set +# CONFIG_BF533 is not set +# CONFIG_BF534 is not set +# CONFIG_BF536 is not set +# CONFIG_BF537 is not set +# CONFIG_BF542 is not set +# CONFIG_BF544 is not set +# CONFIG_BF547 is not set +# CONFIG_BF548 is not set +# CONFIG_BF549 is not set +# CONFIG_BF561 is not set +CONFIG_BF_REV_0_0=y +# CONFIG_BF_REV_0_1 is not set +# CONFIG_BF_REV_0_2 is not set +# CONFIG_BF_REV_0_3 is not set +# CONFIG_BF_REV_0_4 is not set +# CONFIG_BF_REV_0_5 is not set +# CONFIG_BF_REV_ANY is not set +# CONFIG_BF_REV_NONE is not set +CONFIG_BF52x=y +CONFIG_MEM_MT48LC32M16A2TG_75=y +# CONFIG_BFIN527_EZKIT is not set +# CONFIG_BFIN527_BLUETECHNIX_CM is not set +CONFIG_BFIN526_EZBRD=y + +# +# BF527 Specific Configuration +# + +# +# Alternative Multiplexing Scheme +# +# CONFIG_BF527_SPORT0_PORTF is not set +CONFIG_BF527_SPORT0_PORTG=y +CONFIG_BF527_SPORT0_TSCLK_PG10=y +# CONFIG_BF527_SPORT0_TSCLK_PG14 is not set +CONFIG_BF527_UART1_PORTF=y +# CONFIG_BF527_UART1_PORTG is not set +# CONFIG_BF527_NAND_D_PORTF is not set +CONFIG_BF527_NAND_D_PORTH=y + +# +# Interrupt Priority Assignment +# + +# +# Priority +# +CONFIG_IRQ_PLL_WAKEUP=7 +CONFIG_IRQ_DMA0_ERROR=7 +CONFIG_IRQ_DMAR0_BLK=7 +CONFIG_IRQ_DMAR1_BLK=7 +CONFIG_IRQ_DMAR0_OVR=7 +CONFIG_IRQ_DMAR1_OVR=7 +CONFIG_IRQ_PPI_ERROR=7 +CONFIG_IRQ_MAC_ERROR=7 +CONFIG_IRQ_SPORT0_ERROR=7 +CONFIG_IRQ_SPORT1_ERROR=7 +CONFIG_IRQ_UART0_ERROR=7 +CONFIG_IRQ_UART1_ERROR=7 +CONFIG_IRQ_RTC=8 +CONFIG_IRQ_PPI=8 +CONFIG_IRQ_SPORT0_RX=9 +CONFIG_IRQ_SPORT0_TX=9 +CONFIG_IRQ_SPORT1_RX=9 +CONFIG_IRQ_SPORT1_TX=9 +CONFIG_IRQ_TWI=10 +CONFIG_IRQ_SPI=10 +CONFIG_IRQ_UART0_RX=10 +CONFIG_IRQ_UART0_TX=10 +CONFIG_IRQ_UART1_RX=10 +CONFIG_IRQ_UART1_TX=10 +CONFIG_IRQ_OPTSEC=11 +CONFIG_IRQ_CNT=11 +CONFIG_IRQ_MAC_RX=11 +CONFIG_IRQ_PORTH_INTA=11 +CONFIG_IRQ_MAC_TX=11 +CONFIG_IRQ_PORTH_INTB=11 +CONFIG_IRQ_TMR0=12 +CONFIG_IRQ_TMR1=12 +CONFIG_IRQ_TMR2=12 +CONFIG_IRQ_TMR3=12 +CONFIG_IRQ_TMR4=12 +CONFIG_IRQ_TMR5=12 +CONFIG_IRQ_TMR6=12 +CONFIG_IRQ_TMR7=12 +CONFIG_IRQ_PORTG_INTA=12 +CONFIG_IRQ_PORTG_INTB=12 +CONFIG_IRQ_MEM_DMA0=13 +CONFIG_IRQ_MEM_DMA1=13 +CONFIG_IRQ_WATCH=13 +CONFIG_IRQ_PORTF_INTA=13 +CONFIG_IRQ_PORTF_INTB=13 +CONFIG_IRQ_SPI_ERROR=7 +CONFIG_IRQ_NFC_ERROR=7 +CONFIG_IRQ_HDMA_ERROR=7 +CONFIG_IRQ_HDMA=7 +CONFIG_IRQ_USB_EINT=10 +CONFIG_IRQ_USB_INT0=11 +CONFIG_IRQ_USB_INT1=11 +CONFIG_IRQ_USB_INT2=11 +CONFIG_IRQ_USB_DMA=11 + +# +# Board customizations +# +# CONFIG_CMDLINE_BOOL is not set +CONFIG_BOOT_LOAD=0x1000 + +# +# Clock/PLL Setup +# +CONFIG_CLKIN_HZ=25000000 +# CONFIG_BFIN_KERNEL_CLOCK is not set +CONFIG_MAX_MEM_SIZE=512 +CONFIG_MAX_VCO_HZ=400000000 +CONFIG_MIN_VCO_HZ=50000000 +CONFIG_MAX_SCLK_HZ=133333333 +CONFIG_MIN_SCLK_HZ=27000000 + +# +# Kernel Timer/Scheduler +# +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +# CONFIG_SCHED_HRTICK is not set +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +# CONFIG_CYCLES_CLOCKSOURCE is not set +# CONFIG_TICK_ONESHOT is not set +# CONFIG_NO_HZ is not set +# CONFIG_HIGH_RES_TIMERS is not set +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y + +# +# Memory Setup +# + +# +# Misc +# +CONFIG_BFIN_SCRATCH_REG_RETN=y +# CONFIG_BFIN_SCRATCH_REG_RETE is not set +# CONFIG_BFIN_SCRATCH_REG_CYCLES is not set + +# +# Blackfin Kernel Optimizations +# + +# +# Memory Optimizations +# +CONFIG_I_ENTRY_L1=y +CONFIG_EXCPT_IRQ_SYSC_L1=y +CONFIG_DO_IRQ_L1=y +CONFIG_CORE_TIMER_IRQ_L1=y +CONFIG_IDLE_L1=y +# CONFIG_SCHEDULE_L1 is not set +CONFIG_ARITHMETIC_OPS_L1=y +CONFIG_ACCESS_OK_L1=y +# CONFIG_MEMSET_L1 is not set +# CONFIG_MEMCPY_L1 is not set +# CONFIG_SYS_BFIN_SPINLOCK_L1 is not set +# CONFIG_IP_CHECKSUM_L1 is not set +CONFIG_CACHELINE_ALIGNED_L1=y +# CONFIG_SYSCALL_TAB_L1 is not set +# CONFIG_CPLB_SWITCH_TAB_L1 is not set + +# +# Speed Optimizations +# +CONFIG_BFIN_INS_LOWOVERHEAD=y +CONFIG_RAMKERNEL=y +# CONFIG_ROMKERNEL is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_VIRT_TO_BUS=y +CONFIG_BFIN_GPTIMERS=y +CONFIG_BFIN_DMA_5XX=y +# CONFIG_DMA_UNCACHED_4M is not set +# CONFIG_DMA_UNCACHED_2M is not set +CONFIG_DMA_UNCACHED_1M=y +# CONFIG_DMA_UNCACHED_NONE is not set + +# +# Cache Support +# +CONFIG_BFIN_ICACHE=y +CONFIG_BFIN_DCACHE=y +# CONFIG_BFIN_DCACHE_BANKA is not set +# CONFIG_BFIN_ICACHE_LOCK is not set +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set +# CONFIG_MPU is not set + +# +# Asynchonous Memory Configuration +# + +# +# EBIU_AMGCTL Global Control +# +CONFIG_C_AMCKEN=y +CONFIG_C_CDPRIO=y +# CONFIG_C_AMBEN is not set +# CONFIG_C_AMBEN_B0 is not set +# CONFIG_C_AMBEN_B0_B1 is not set +# CONFIG_C_AMBEN_B0_B1_B2 is not set +CONFIG_C_AMBEN_ALL=y + +# +# EBIU_AMBCTL Control +# +CONFIG_BANK_0=0x7BB0 +CONFIG_BANK_1=0x5554 +CONFIG_BANK_2=0x7BB0 +CONFIG_BANK_3=0xFFC0 + +# +# Bus options (PCI, PCMCIA, EISA, MCA, ISA) +# +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set + +# +# Executable file formats +# +CONFIG_BINFMT_ELF_FDPIC=y +CONFIG_BINFMT_FLAT=y +CONFIG_BINFMT_ZFLAT=y +# CONFIG_BINFMT_SHARED_FLAT is not set +# CONFIG_BINFMT_MISC is not set + +# +# Power management options +# +# CONFIG_PM is not set +CONFIG_ARCH_SUSPEND_POSSIBLE=y +# CONFIG_PM_WAKEUP_BY_GPIO is not set + +# +# CPU Frequency scaling +# +# CONFIG_CPU_FREQ is not set + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_XFRM_STATISTICS is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +# CONFIG_IP_PNP_DHCP is not set +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +# CONFIG_INET_LRO is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETLABEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set +# CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_CMDLINE_PARTS is not set +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=m +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +# CONFIG_MTD_CFI is not set +CONFIG_MTD_JEDECPROBE=m +CONFIG_MTD_GEN_PROBE=m +# CONFIG_MTD_CFI_ADV_OPTIONS is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_CFI_INTELEXT is not set +# CONFIG_MTD_CFI_AMDSTD is not set +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_RAM=y +CONFIG_MTD_ROM=m +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +CONFIG_MTD_COMPLEX_MAPPINGS=y +# CONFIG_MTD_PHYSMAP is not set +# CONFIG_MTD_GPIO_ADDR is not set +# CONFIG_MTD_UCLINUX is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_DATAFLASH is not set +# CONFIG_MTD_M25P80 is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +CONFIG_MTD_NAND=m +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +CONFIG_MTD_NAND_BFIN=m +CONFIG_BFIN_NAND_BASE=0x20212000 +CONFIG_BFIN_NAND_CLE=2 +CONFIG_BFIN_NAND_ALE=1 +CONFIG_BFIN_NAND_READY=3 +CONFIG_MTD_NAND_IDS=m +# CONFIG_MTD_NAND_BF5XX is not set +# CONFIG_MTD_NAND_DISKONCHIP is not set +# CONFIG_MTD_NAND_NANDSIM is not set +# CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set +# CONFIG_MTD_ONENAND is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_COW_COMMON is not set +# CONFIG_BLK_DEV_LOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_UB is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=4096 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +CONFIG_MISC_DEVICES=y +# CONFIG_EEPROM_93CX6 is not set +# CONFIG_ENCLOSURE_SERVICES is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set +# CONFIG_SCSI_DMA is not set +# CONFIG_SCSI_NETLINK is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +CONFIG_NETDEVICES=y +# CONFIG_NETDEVICES_MULTIQUEUE is not set +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_REALTEK_PHY is not set +# CONFIG_FIXED_PHY is not set +# CONFIG_MDIO_BITBANG is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +CONFIG_BFIN_MAC=y +CONFIG_BFIN_TX_DESC_NUM=10 +CONFIG_BFIN_RX_DESC_NUM=20 +CONFIG_BFIN_MAC_RMII=y +# CONFIG_SMC91X is not set +# CONFIG_SMSC911X is not set +# CONFIG_DM9000 is not set +# CONFIG_ENC28J60 is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_B44 is not set +CONFIG_NETDEV_1000=y +# CONFIG_E1000E_ENABLED is not set +# CONFIG_AX88180 is not set +CONFIG_NETDEV_10000=y + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set +# CONFIG_IWLWIFI_LEDS is not set + +# +# USB Network Adapters +# +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET is not set +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +CONFIG_INPUT_MISC=y +# CONFIG_INPUT_ATI_REMOTE is not set +# CONFIG_INPUT_ATI_REMOTE2 is not set +# CONFIG_INPUT_KEYSPAN_REMOTE is not set +# CONFIG_INPUT_POWERMATE is not set +# CONFIG_INPUT_YEALINK is not set +# CONFIG_INPUT_UINPUT is not set +# CONFIG_TWI_KEYPAD is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_AD9960 is not set +# CONFIG_SPI_ADC_BF533 is not set +# CONFIG_BF5xx_PPIFCD is not set +# CONFIG_BFIN_SIMPLE_TIMER is not set +# CONFIG_BF5xx_PPI is not set +# CONFIG_BFIN_SPORT is not set +# CONFIG_BFIN_TIMER_LATENCY is not set +# CONFIG_TWI_LCD is not set +CONFIG_SIMPLE_GPIO=m +CONFIG_VT=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_BFIN=y +CONFIG_SERIAL_BFIN_CONSOLE=y +CONFIG_SERIAL_BFIN_DMA=y +# CONFIG_SERIAL_BFIN_PIO is not set +# CONFIG_SERIAL_BFIN_UART0 is not set +CONFIG_SERIAL_BFIN_UART1=y +# CONFIG_BFIN_UART1_CTSRTS is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_BFIN_SPORT is not set +CONFIG_UNIX98_PTYS=y +# CONFIG_LEGACY_PTYS is not set +CONFIG_BFIN_OTP=y +# CONFIG_BFIN_OTP_WRITE_ENABLE is not set + +# +# CAN, the car bus and industrial fieldbus +# +# CONFIG_CAN4LINUX is not set +# CONFIG_IPMI_HANDLER is not set +CONFIG_HW_RANDOM=y +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=m +CONFIG_I2C_HELPER_AUTO=y + +# +# I2C Hardware Bus support +# +CONFIG_I2C_BLACKFIN_TWI=y +CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=50 +# CONFIG_I2C_GPIO is not set +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_SIMTEC is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_STUB is not set +# CONFIG_I2C_TINY_USB is not set +# CONFIG_I2C_PCA_PLATFORM is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_DS1682 is not set +# CONFIG_SENSORS_AD5252 is not set +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_PCF8575 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set +CONFIG_SPI=y +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +CONFIG_SPI_BFIN=y +# CONFIG_SPI_BITBANG is not set + +# +# SPI Protocol Masters +# +# CONFIG_SPI_AT25 is not set +# CONFIG_SPI_SPIDEV is not set +# CONFIG_SPI_TLE62X0 is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_AD7418 is not set +# CONFIG_SENSORS_ADM1021 is not set +# CONFIG_SENSORS_ADM1025 is not set +# CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set +# CONFIG_SENSORS_ADM1031 is not set +# CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7470 is not set +# CONFIG_SENSORS_ADT7473 is not set +# CONFIG_SENSORS_ATXP1 is not set +# CONFIG_SENSORS_DS1621 is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_F71882FG is not set +# CONFIG_SENSORS_F75375S is not set +# CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set +# CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_LM63 is not set +# CONFIG_SENSORS_LM70 is not set +# CONFIG_SENSORS_LM75 is not set +# CONFIG_SENSORS_LM77 is not set +# CONFIG_SENSORS_LM78 is not set +# CONFIG_SENSORS_LM80 is not set +# CONFIG_SENSORS_LM83 is not set +# CONFIG_SENSORS_LM85 is not set +# CONFIG_SENSORS_LM87 is not set +# CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set +# CONFIG_SENSORS_LM93 is not set +# CONFIG_SENSORS_MAX1619 is not set +# CONFIG_SENSORS_MAX6650 is not set +# CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_DME1737 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47M192 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_ADS7828 is not set +# CONFIG_SENSORS_THMC50 is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83791D is not set +# CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83793 is not set +# CONFIG_SENSORS_W83L785TS is not set +# CONFIG_SENSORS_W83L786NG is not set +# CONFIG_SENSORS_W83627HF is not set +# CONFIG_SENSORS_W83627EHF is not set +# CONFIG_HWMON_DEBUG_CHIP is not set +# CONFIG_THERMAL is not set +# CONFIG_THERMAL_HWMON is not set +CONFIG_WATCHDOG=y +# CONFIG_WATCHDOG_NOWAYOUT is not set + +# +# Watchdog Device Drivers +# +# CONFIG_SOFT_WATCHDOG is not set +CONFIG_BFIN_WDT=y + +# +# USB-based Watchdog Cards +# +# CONFIG_USBPCWATCHDOG is not set + +# +# Sonics Silicon Backplane +# +CONFIG_SSB_POSSIBLE=y +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_PASIC3 is not set + +# +# Multimedia devices +# + +# +# Multimedia core support +# +# CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +# CONFIG_VIDEO_MEDIA is not set + +# +# Multimedia drivers +# +# CONFIG_DAB is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Console display driver support +# +CONFIG_DUMMY_CONSOLE=y + +# +# Sound +# +CONFIG_SOUND=m + +# +# Advanced Linux Sound Architecture +# +CONFIG_SND=m +CONFIG_SND_TIMER=m +CONFIG_SND_PCM=m +# CONFIG_SND_SEQUENCER is not set +CONFIG_SND_OSSEMUL=y +CONFIG_SND_MIXER_OSS=m +CONFIG_SND_PCM_OSS=m +CONFIG_SND_PCM_OSS_PLUGINS=y +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set + +# +# Generic devices +# +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set + +# +# SPI devices +# + +# +# ALSA Blackfin devices +# +# CONFIG_SND_BLACKFIN_AD1836 is not set +# CONFIG_SND_BFIN_AD73311 is not set +# CONFIG_SND_BFIN_AD73322 is not set + +# +# USB devices +# +# CONFIG_SND_USB_AUDIO is not set +# CONFIG_SND_USB_CAIAQ is not set + +# +# System on Chip audio support +# +CONFIG_SND_SOC=m +CONFIG_SND_BF5XX_I2S=m +CONFIG_SND_BF5XX_SOC_SSM2602=m +# CONFIG_SND_BF5XX_AC97 is not set +CONFIG_SND_BF5XX_SOC_SPORT=m +CONFIG_SND_BF5XX_SOC_I2S=m +CONFIG_SND_BF5XX_SPORT_NUM=0 + +# +# ALSA SoC audio for Freescale SOCs +# + +# +# SoC Audio for the Texas Instruments OMAP +# +CONFIG_SND_SOC_SSM2602=m + +# +# Open Sound System +# +# CONFIG_SOUND_PRIME is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set +# CONFIG_HIDRAW is not set + +# +# USB Input Devices +# +CONFIG_USB_HID=y +# CONFIG_USB_HIDINPUT_POWERBOOK is not set +# CONFIG_HID_FF is not set +# CONFIG_USB_HIDDEV is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +# CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set + +# +# Miscellaneous USB options +# +# CONFIG_USB_DEVICEFS is not set +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_OTG is not set +# CONFIG_USB_OTG_WHITELIST is not set +CONFIG_USB_OTG_BLACKLIST_HUB=y + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +# CONFIG_USB_ISP1362_HCD is not set +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +CONFIG_USB_MUSB_HDRC=y +CONFIG_USB_MUSB_SOC=y + +# +# Blackfin high speed USB support +# +CONFIG_USB_MUSB_HOST=y +# CONFIG_USB_MUSB_PERIPHERAL is not set +# CONFIG_USB_MUSB_OTG is not set +CONFIG_USB_MUSB_HDRC_HCD=y +CONFIG_MUSB_PIO_ONLY=y +CONFIG_USB_MUSB_LOGLEVEL=0 + +# +# USB Device Class drivers +# +# CONFIG_USB_ACM is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information +# +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set +CONFIG_USB_MON=y + +# +# USB port drivers +# +# CONFIG_USB_SERIAL is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_AUERSWALD is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_PHIDGET is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_SISUSBVGA is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_GADGET is not set +# CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_ACCESSIBILITY is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set + +# +# SPI RTC drivers +# +# CONFIG_RTC_DRV_MAX6902 is not set +# CONFIG_RTC_DRV_R9701 is not set +# CONFIG_RTC_DRV_RS5C348 is not set + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +CONFIG_RTC_DRV_BFIN=y +# CONFIG_UIO is not set + +# +# File systems +# +# CONFIG_EXT2_FS is not set +# CONFIG_EXT3_FS is not set +# CONFIG_EXT4DEV_FS is not set +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_DNOTIFY is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +# CONFIG_TMPFS is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_YAFFS_FS=m +CONFIG_YAFFS_YAFFS1=y +# CONFIG_YAFFS_9BYTE_TAGS is not set +# CONFIG_YAFFS_DOES_ECC is not set +CONFIG_YAFFS_YAFFS2=y +CONFIG_YAFFS_AUTO_YAFFS2=y +# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set +# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set +# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set +CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y +CONFIG_JFFS2_FS=m +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=m +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +# CONFIG_NFSD is not set +CONFIG_LOCKD=m +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=m +# CONFIG_SUNRPC_BIND34 is not set +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +CONFIG_SMB_FS=m +# CONFIG_SMB_NLS_DEFAULT is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_NLS=m +CONFIG_NLS_DEFAULT="iso8859-1" +# CONFIG_NLS_CODEPAGE_437 is not set +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +# CONFIG_NLS_ISO8859_1 is not set +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set +# CONFIG_DLM is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +# CONFIG_DEBUG_KERNEL is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_SAMPLES is not set +CONFIG_DEBUG_MMRS=y +CONFIG_DEBUG_HUNT_FOR_ZERO=y +CONFIG_DEBUG_BFIN_HWTRACE_ON=y +CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_OFF=y +# CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_ONE is not set +# CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_TWO is not set +CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION=0 +# CONFIG_DEBUG_BFIN_HWTRACE_EXPAND is not set +# CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE is not set +CONFIG_EARLY_PRINTK=y +CONFIG_CPLB_INFO=y +CONFIG_ACCESS_CHECK=y + +# +# Security options +# +# CONFIG_KEYS is not set +CONFIG_SECURITY=y +# CONFIG_SECURITY_NETWORK is not set +# CONFIG_SECURITY_CAPABILITIES is not set +# CONFIG_SECURITY_ROOTPLUG is not set +CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0 +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +# CONFIG_CRYPTO_MANAGER is not set +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +# CONFIG_CRYPTO_CBC is not set +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +# CONFIG_CRYPTO_ECB is not set +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_PCBC is not set +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_MD4 is not set +# CONFIG_CRYPTO_MD5 is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_DES is not set +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_LZO is not set +CONFIG_CRYPTO_HW=y + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_GENERIC_FIND_FIRST_BIT is not set +CONFIG_CRC_CCITT=m +# CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=m +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y diff --git a/arch/blackfin/configs/H8606_defconfig b/arch/blackfin/configs/H8606_defconfig index ba0bee90b7e1..1fc31f1b762b 100644 --- a/arch/blackfin/configs/H8606_defconfig +++ b/arch/blackfin/configs/H8606_defconfig @@ -1,6 +1,6 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.22.12 +# Linux kernel version: 2.6.22.14 # # CONFIG_MMU is not set # CONFIG_FPU is not set @@ -192,7 +192,7 @@ CONFIG_CLKIN_HZ=25000000 # CONFIG_BFIN_KERNEL_CLOCK is not set CONFIG_MAX_VCO_HZ=400000000 CONFIG_MIN_VCO_HZ=50000000 -CONFIG_MAX_SCLK_HZ=133000000 +CONFIG_MAX_SCLK_HZ=133333333 CONFIG_MIN_SCLK_HZ=27000000 # @@ -516,7 +516,7 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y # # CONFIG_MTD_DATAFLASH is not set CONFIG_MTD_M25P80=y -CONFIG_M25PXX_USE_FAST_READ=y +# CONFIG_M25PXX_USE_FAST_READ is not set # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set @@ -635,25 +635,25 @@ CONFIG_INPUT=y # CONFIG_INPUT_MOUSEDEV is not set # CONFIG_INPUT_JOYDEV is not set # CONFIG_INPUT_TSDEV is not set -CONFIG_INPUT_EVDEV=m +CONFIG_INPUT_EVDEV=y # CONFIG_INPUT_EVBUG is not set # # Input Device Drivers # -# CONFIG_INPUT_KEYBOARD is not set +CONFIG_INPUT_KEYBOARD=y +# CONFIG_KEYBOARD_ATKBD is not set +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +CONFIG_KEYBOARD_GPIO=y # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set # CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set -CONFIG_INPUT_MISC=y -# CONFIG_INPUT_ATI_REMOTE is not set -# CONFIG_INPUT_ATI_REMOTE2 is not set -# CONFIG_INPUT_KEYSPAN_REMOTE is not set -# CONFIG_INPUT_POWERMATE is not set -# CONFIG_INPUT_YEALINK is not set -# CONFIG_INPUT_UINPUT is not set -# CONFIG_BF53X_PFBUTTONS is not set +# CONFIG_INPUT_MISC is not set # # Hardware I/O ports @@ -681,7 +681,15 @@ CONFIG_BFIN_TIMER_LATENCY=y # # Serial drivers # -# CONFIG_SERIAL_8250 is not set +CONFIG_SERIAL_8250=y +# CONFIG_SERIAL_8250_CONSOLE is not set +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +# CONFIG_SERIAL_8250_MANY_PORTS is not set +CONFIG_SERIAL_8250_SHARE_IRQ=y +# CONFIG_SERIAL_8250_DETECT_IRQ is not set +# CONFIG_SERIAL_8250_RSA is not set # # Non-8250 serial port support diff --git a/arch/blackfin/include/asm/a.out.h b/arch/blackfin/include/asm/a.out.h deleted file mode 100644 index 6c3d652ebd33..000000000000 --- a/arch/blackfin/include/asm/a.out.h +++ /dev/null @@ -1,19 +0,0 @@ -#ifndef __BFIN_A_OUT_H__ -#define __BFIN_A_OUT_H__ - -struct exec { - unsigned long a_info; /* Use macros N_MAGIC, etc for access */ - unsigned a_text; /* length of text, in bytes */ - unsigned a_data; /* length of data, in bytes */ - unsigned a_bss; /* length of uninitialized data area for file, in bytes */ - unsigned a_syms; /* length of symbol table data in file, in bytes */ - unsigned a_entry; /* start address */ - unsigned a_trsize; /* length of relocation info for text, in bytes */ - unsigned a_drsize; /* length of relocation info for data, in bytes */ -}; - -#define N_TRSIZE(a) ((a).a_trsize) -#define N_DRSIZE(a) ((a).a_drsize) -#define N_SYMSIZE(a) ((a).a_syms) - -#endif /* __BFIN_A_OUT_H__ */ diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h index 7ba70de66f2b..56dcb0a2d244 100644 --- a/arch/blackfin/include/asm/bfin-global.h +++ b/arch/blackfin/include/asm/bfin-global.h @@ -63,7 +63,6 @@ extern void bfin_dcache_init(void); extern void init_exception_vectors(void); extern void program_IAR(void); -extern void bfin_reset(void); extern asmlinkage void lower_to_irq14(void); extern asmlinkage void bfin_return_from_exception(void); extern asmlinkage void evt14_softirq(void); @@ -92,6 +91,8 @@ extern int sram_free(const void*); extern void *sram_alloc_with_lsl(size_t, unsigned long); extern int sram_free_with_lsl(const void*); +extern void *isram_memcpy(void *dest, const void *src, size_t n); + extern const char bfin_board_name[]; extern unsigned long bfin_sic_iwr[]; @@ -104,7 +105,7 @@ extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[], _stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[], _ebss_l2[], _l2_lma_start[]; -/* only used when CONFIG_MTD_UCLINUX */ +/* only used when MTD_UCLINUX */ extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size; #ifdef CONFIG_BFIN_ICACHE_LOCK diff --git a/arch/blackfin/include/asm/bfrom.h b/arch/blackfin/include/asm/bfrom.h new file mode 100644 index 000000000000..cfe8024c3b2f --- /dev/null +++ b/arch/blackfin/include/asm/bfrom.h @@ -0,0 +1,85 @@ +/* Blackfin on-chip ROM API + * + * Copyright 2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __BFROM_H__ +#define __BFROM_H__ + +#include <linux/types.h> + +/* Possible syscontrol action flags */ +#define SYSCTRL_READ 0x00000000 /* read registers */ +#define SYSCTRL_WRITE 0x00000001 /* write registers */ +#define SYSCTRL_SYSRESET 0x00000002 /* perform system reset */ +#define SYSCTRL_CORERESET 0x00000004 /* perform core reset */ +#define SYSCTRL_SOFTRESET 0x00000006 /* perform core and system reset */ +#define SYSCTRL_VRCTL 0x00000010 /* read/write VR_CTL register */ +#define SYSCTRL_EXTVOLTAGE 0x00000020 /* VDDINT supplied externally */ +#define SYSCTRL_INTVOLTAGE 0x00000000 /* VDDINT generated by on-chip regulator */ +#define SYSCTRL_OTPVOLTAGE 0x00000040 /* For Factory Purposes Only */ +#define SYSCTRL_PLLCTL 0x00000100 /* read/write PLL_CTL register */ +#define SYSCTRL_PLLDIV 0x00000200 /* read/write PLL_DIV register */ +#define SYSCTRL_LOCKCNT 0x00000400 /* read/write PLL_LOCKCNT register */ +#define SYSCTRL_PLLSTAT 0x00000800 /* read/write PLL_STAT register */ + +typedef struct ADI_SYSCTRL_VALUES { + uint16_t uwVrCtl; + uint16_t uwPllCtl; + uint16_t uwPllDiv; + uint16_t uwPllLockCnt; + uint16_t uwPllStat; +} ADI_SYSCTRL_VALUES; + +static uint32_t (* const bfrom_SysControl)(uint32_t action_flags, ADI_SYSCTRL_VALUES *power_settings, void *reserved) = (void *)0xEF000038; + +/* We need a dedicated function since we need to screw with the stack pointer + * when resetting. The on-chip ROM will save/restore registers on the stack + * when doing a system reset, so the stack cannot be outside of the chip. + */ +__attribute__((__noreturn__)) +static inline void bfrom_SoftReset(void *new_stack) +{ + while (1) + __asm__ __volatile__( + "sp = %[stack];" + "jump (%[bfrom_syscontrol]);" + : : [bfrom_syscontrol] "p"(bfrom_SysControl), + "q0"(SYSCTRL_SOFTRESET), + "q1"(0), + "q2"(NULL), + [stack] "p"(new_stack) + ); +} + +/* OTP Functions */ +static uint32_t (* const bfrom_OtpCommand)(uint32_t command, uint32_t value) = (void *)0xEF000018; +static uint32_t (* const bfrom_OtpRead)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)0xEF00001A; +static uint32_t (* const bfrom_OtpWrite)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)0xEF00001C; + +/* otp command: defines for "command" */ +#define OTP_INIT 0x00000001 +#define OTP_CLOSE 0x00000002 + +/* otp read/write: defines for "flags" */ +#define OTP_LOWER_HALF 0x00000000 /* select upper/lower 64-bit half (bit 0) */ +#define OTP_UPPER_HALF 0x00000001 +#define OTP_NO_ECC 0x00000010 /* do not use ECC */ +#define OTP_LOCK 0x00000020 /* sets page protection bit for page */ +#define OTP_CHECK_FOR_PREV_WRITE 0x00000080 + +/* Return values for all functions */ +#define OTP_SUCCESS 0x00000000 +#define OTP_MASTER_ERROR 0x001 +#define OTP_WRITE_ERROR 0x003 +#define OTP_READ_ERROR 0x005 +#define OTP_ACC_VIO_ERROR 0x009 +#define OTP_DATA_MULT_ERROR 0x011 +#define OTP_ECC_MULT_ERROR 0x021 +#define OTP_PREV_WR_ERROR 0x041 +#define OTP_DATA_SB_WARN 0x100 +#define OTP_ECC_SB_WARN 0x200 + +#endif diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h index d81a77545a04..5ef9e35e9c3b 100644 --- a/arch/blackfin/include/asm/cacheflush.h +++ b/arch/blackfin/include/asm/cacheflush.h @@ -30,8 +30,6 @@ #ifndef _BLACKFIN_CACHEFLUSH_H #define _BLACKFIN_CACHEFLUSH_H -#include <asm/cplb.h> - extern void blackfin_icache_dcache_flush_range(unsigned int, unsigned int); extern void blackfin_icache_flush_range(unsigned int, unsigned int); extern void blackfin_dcache_flush_range(unsigned int, unsigned int); diff --git a/arch/blackfin/include/asm/cplb.h b/arch/blackfin/include/asm/cplb.h index 05d6f05fb748..9e8b4035fcec 100644 --- a/arch/blackfin/include/asm/cplb.h +++ b/arch/blackfin/include/asm/cplb.h @@ -55,7 +55,13 @@ #endif #define L1_DMEMORY (CPLB_LOCK | CPLB_COMMON) -#define L2_MEMORY (CPLB_COMMON) +#ifdef CONFIG_BFIN_L2_CACHEABLE +#define L2_IMEMORY (SDRAM_IGENERIC) +#define L2_DMEMORY (SDRAM_DGENERIC) +#else +#define L2_IMEMORY (CPLB_COMMON) +#define L2_DMEMORY (CPLB_COMMON) +#endif #define SDRAM_DNON_CHBL (CPLB_COMMON) #define SDRAM_EBIU (CPLB_COMMON) #define SDRAM_OOPS (CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY) diff --git a/arch/blackfin/include/asm/cplbinit.h b/arch/blackfin/include/asm/cplbinit.h index 0eb1c1b685a7..d179b747ff03 100644 --- a/arch/blackfin/include/asm/cplbinit.h +++ b/arch/blackfin/include/asm/cplbinit.h @@ -90,6 +90,20 @@ extern u_long dpdt_swapcount_table[]; extern unsigned long reserved_mem_dcache_on; extern unsigned long reserved_mem_icache_on; -extern void generate_cpl_tables(void); +extern void generate_cplb_tables(void); + +static inline int bfin_addr_dcachable(unsigned long addr) +{ +#ifdef CONFIG_BFIN_DCACHE + if (addr < (_ramend - DMA_UNCACHED_REGION)) + return 1; +#endif + + if (reserved_mem_dcache_on && + addr >= _ramend && addr < physical_mem_end) + return 1; + + return 0; +} #endif diff --git a/arch/blackfin/include/asm/cpumask.h b/arch/blackfin/include/asm/cpumask.h deleted file mode 100644 index b20a8e9012cb..000000000000 --- a/arch/blackfin/include/asm/cpumask.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_BLACKFIN_CPUMASK_H -#define _ASM_BLACKFIN_CPUMASK_H - -#include <asm-generic/cpumask.h> - -#endif /* _ASM_BLACKFIN_CPUMASK_H */ diff --git a/arch/blackfin/include/asm/dma-mapping.h b/arch/blackfin/include/asm/dma-mapping.h index 1a13c2fc3667..ede748d67efd 100644 --- a/arch/blackfin/include/asm/dma-mapping.h +++ b/arch/blackfin/include/asm/dma-mapping.h @@ -80,4 +80,15 @@ extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, enum dma_data_direction direction); +static inline void dma_sync_single_for_cpu(struct device *dev, + dma_addr_t handle, size_t size, + enum dma_data_direction dir) +{ +} + +static inline void dma_sync_single_for_device(struct device *dev, + dma_addr_t handle, size_t size, + enum dma_data_direction dir) +{ +} #endif /* _BLACKFIN_DMA_MAPPING_H */ diff --git a/arch/blackfin/include/asm/kgdb.h b/arch/blackfin/include/asm/kgdb.h index 0f73847fd6bc..26ebac6646d8 100644 --- a/arch/blackfin/include/asm/kgdb.h +++ b/arch/blackfin/include/asm/kgdb.h @@ -124,9 +124,16 @@ enum regnames { /* Number of bytes of registers. */ #define NUMREGBYTES BFIN_NUM_REGS*4 -#define BREAKPOINT() asm(" EXCPT 2;"); -#define BREAK_INSTR_SIZE 2 -#define HW_BREAKPOINT_NUM 6 +static inline void arch_kgdb_breakpoint(void) +{ + asm(" EXCPT 2;"); +} +#define BREAK_INSTR_SIZE 2 +#define CACHE_FLUSH_IS_SAFE 1 +#define HW_INST_WATCHPOINT_NUM 6 +#define HW_WATCHPOINT_NUM 8 +#define TYPE_INST_WATCHPOINT 0 +#define TYPE_DATA_WATCHPOINT 1 /* Instruction watchpoint address control register bits mask */ #define WPPWR 0x1 @@ -163,10 +170,11 @@ enum regnames { #define WPDAEN1 0x8 #define WPDCNTEN0 0x10 #define WPDCNTEN1 0x20 + #define WPDSRC0 0xc0 -#define WPDACC0 0x300 +#define WPDACC0_OFFSET 8 #define WPDSRC1 0xc00 -#define WPDACC1 0x3000 +#define WPDACC1_OFFSET 12 /* Watchpoint status register bits mask */ #define STATIA0 0x1 @@ -178,7 +186,4 @@ enum regnames { #define STATDA0 0x40 #define STATDA1 0x80 -extern void kgdb_print(const char *fmt, ...); -extern void init_kgdb_uart(void); - #endif diff --git a/arch/blackfin/include/asm/mmu_context.h b/arch/blackfin/include/asm/mmu_context.h index 8529552a981f..35593dda2a4d 100644 --- a/arch/blackfin/include/asm/mmu_context.h +++ b/arch/blackfin/include/asm/mmu_context.h @@ -45,49 +45,12 @@ extern unsigned long l1_stack_len; extern int l1sram_free(const void*); extern void *l1sram_alloc_max(void*); -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) -{ -} - -/* Called when creating a new context during fork() or execve(). */ -static inline int -init_new_context(struct task_struct *tsk, struct mm_struct *mm) -{ -#ifdef CONFIG_MPU - unsigned long p = __get_free_pages(GFP_KERNEL, page_mask_order); - mm->context.page_rwx_mask = (unsigned long *)p; - memset(mm->context.page_rwx_mask, 0, - page_mask_nelts * 3 * sizeof(long)); -#endif - return 0; -} - static inline void free_l1stack(void) { nr_l1stack_tasks--; if (nr_l1stack_tasks == 0) l1sram_free(l1_stack_base); } -static inline void destroy_context(struct mm_struct *mm) -{ - struct sram_list_struct *tmp; - - if (current_l1_stack_save == mm->context.l1_stack_save) - current_l1_stack_save = NULL; - if (mm->context.l1_stack_save) - free_l1stack(); - - while ((tmp = mm->context.sram_list)) { - mm->context.sram_list = tmp->next; - sram_free(tmp->addr); - kfree(tmp); - } -#ifdef CONFIG_MPU - if (current_rwx_mask == mm->context.page_rwx_mask) - current_rwx_mask = NULL; - free_pages((unsigned long)mm->context.page_rwx_mask, page_mask_order); -#endif -} static inline unsigned long alloc_l1stack(unsigned long length, unsigned long *stack_base) @@ -134,6 +97,7 @@ static inline void switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_m } #endif +#ifdef CONFIG_APP_STACK_L1 /* L1 stack switching. */ if (!next_mm->context.l1_stack_save) return; @@ -144,6 +108,7 @@ static inline void switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_m } current_l1_stack_save = next_mm->context.l1_stack_save; memcpy(l1_stack_base, current_l1_stack_save, l1_stack_len); +#endif } #ifdef CONFIG_MPU @@ -180,4 +145,44 @@ static inline void update_protections(struct mm_struct *mm) } #endif +static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) +{ +} + +/* Called when creating a new context during fork() or execve(). */ +static inline int +init_new_context(struct task_struct *tsk, struct mm_struct *mm) +{ +#ifdef CONFIG_MPU + unsigned long p = __get_free_pages(GFP_KERNEL, page_mask_order); + mm->context.page_rwx_mask = (unsigned long *)p; + memset(mm->context.page_rwx_mask, 0, + page_mask_nelts * 3 * sizeof(long)); +#endif + return 0; +} + +static inline void destroy_context(struct mm_struct *mm) +{ + struct sram_list_struct *tmp; + +#ifdef CONFIG_APP_STACK_L1 + if (current_l1_stack_save == mm->context.l1_stack_save) + current_l1_stack_save = 0; + if (mm->context.l1_stack_save) + free_l1stack(); +#endif + + while ((tmp = mm->context.sram_list)) { + mm->context.sram_list = tmp->next; + sram_free(tmp->addr); + kfree(tmp); + } +#ifdef CONFIG_MPU + if (current_rwx_mask == mm->context.page_rwx_mask) + current_rwx_mask = NULL; + free_pages((unsigned long)mm->context.page_rwx_mask, page_mask_order); +#endif +} + #endif diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h index 6f3995b119d8..e3e9b41fa8db 100644 --- a/arch/blackfin/include/asm/processor.h +++ b/arch/blackfin/include/asm/processor.h @@ -134,6 +134,12 @@ static inline uint32_t __pure bfin_revid(void) return revid; } +static inline uint16_t __pure bfin_cpuid(void) +{ + return (bfin_read_CHIPID() & CHIPID_FAMILY) >> 12; + +} + static inline uint32_t __pure bfin_compiled_revid(void) { #if defined(CONFIG_BF_REV_0_0) diff --git a/arch/blackfin/include/asm/ptrace.h b/arch/blackfin/include/asm/ptrace.h index a45a80e54adc..e3f086dc7268 100644 --- a/arch/blackfin/include/asm/ptrace.h +++ b/arch/blackfin/include/asm/ptrace.h @@ -158,6 +158,8 @@ extern void show_regs(struct pt_regs *); #define PT_SEQSTAT 8 #define PT_IPEND 4 +#define PT_ORIG_R0 208 +#define PT_ORIG_P0 212 #define PT_SYSCFG 216 #define PT_TEXT_ADDR 220 #define PT_TEXT_END_ADDR 224 diff --git a/arch/blackfin/include/asm/traps.h b/arch/blackfin/include/asm/traps.h index f0e5f940d9ca..34f7295fb070 100644 --- a/arch/blackfin/include/asm/traps.h +++ b/arch/blackfin/include/asm/traps.h @@ -59,6 +59,9 @@ level " or a 16-bit register is accessed with a 32-bit instruction.\n" #define HWC_x3(level) \ "External Memory Addressing Error\n" +#define EXC_0x04(level) \ + "Unimplmented exception occured\n" \ + level " - Maybe you forgot to install a custom exception handler?\n" #define HWC_x12(level) \ "Performance Monitor Overflow\n" #define HWC_x18(level) \ @@ -84,7 +87,7 @@ level " a particular processor implementation.\n" #define EXC_0x22(level) \ "Illegal instruction combination\n" \ - level " - See section for multi-issue rules in the ADSP-BF53x Blackfin\n" \ + level " - See section for multi-issue rules in the Blackfin\n" \ level " Processor Instruction Set Reference.\n" #define EXC_0x23(level) \ "Data access CPLB protection violation\n" \ diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c index 881afe9082c7..9bb85dd5ccb3 100644 --- a/arch/blackfin/kernel/asm-offsets.c +++ b/arch/blackfin/kernel/asm-offsets.c @@ -60,6 +60,7 @@ int main(void) DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE); /* offsets into the pt_regs */ + DEFINE(PT_ORIG_R0, offsetof(struct pt_regs, orig_r0)); DEFINE(PT_ORIG_P0, offsetof(struct pt_regs, orig_p0)); DEFINE(PT_ORIG_PC, offsetof(struct pt_regs, orig_pc)); DEFINE(PT_R0, offsetof(struct pt_regs, r0)); diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index 93229b3d6e3e..339293d677cc 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c @@ -117,15 +117,14 @@ int request_dma(unsigned int channel, char *device_id) #ifdef CONFIG_BF54x if (channel >= CH_UART2_RX && channel <= CH_UART3_TX) { - if (strncmp(device_id, "BFIN_UART", 9) == 0) { - dma_ch[channel].regs->peripheral_map &= 0x0FFF; - dma_ch[channel].regs->peripheral_map |= + unsigned int per_map; + per_map = dma_ch[channel].regs->peripheral_map & 0xFFF; + if (strncmp(device_id, "BFIN_UART", 9) == 0) + dma_ch[channel].regs->peripheral_map = per_map | ((channel - CH_UART2_RX + 0xC)<<12); - } else { - dma_ch[channel].regs->peripheral_map &= 0x0FFF; - dma_ch[channel].regs->peripheral_map |= + else + dma_ch[channel].regs->peripheral_map = per_map | ((channel - CH_UART2_RX + 0x6)<<12); - } } #endif diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c index ecbd141e0ef2..6e08f425bb44 100644 --- a/arch/blackfin/kernel/bfin_gpio.c +++ b/arch/blackfin/kernel/bfin_gpio.c @@ -231,14 +231,14 @@ inline int check_gpio(unsigned gpio) } #endif -void gpio_error(unsigned gpio) +static void gpio_error(unsigned gpio) { printk(KERN_ERR "bfin-gpio: GPIO %d wasn't requested!\n", gpio); } static void set_label(unsigned short ident, const char *label) { - if (label && str_ident) { + if (label) { strncpy(str_ident[ident].name, label, RESOURCE_LABEL_SIZE); str_ident[ident].name[RESOURCE_LABEL_SIZE - 1] = 0; @@ -247,9 +247,6 @@ static void set_label(unsigned short ident, const char *label) static char *get_label(unsigned short ident) { - if (!str_ident) - return "UNKNOWN"; - return (*str_ident[ident].name ? str_ident[ident].name : "UNKNOWN"); } @@ -260,7 +257,7 @@ static int cmp_label(unsigned short ident, const char *label) printk(KERN_ERR "Please provide none-null label\n"); } - if (label && str_ident) + if (label) return strncmp(str_ident[ident].name, label, strlen(label)); else diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinit.c b/arch/blackfin/kernel/cplb-mpu/cplbinit.c index 48060105346a..55af729f8495 100644 --- a/arch/blackfin/kernel/cplb-mpu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-mpu/cplbinit.c @@ -36,7 +36,7 @@ struct cplb_entry dcplb_tbl[MAX_CPLBS]; int first_switched_icplb, first_switched_dcplb; int first_mask_dcplb; -void __init generate_cpl_tables(void) +void __init generate_cplb_tables(void) { int i_d, i_i; unsigned long addr; @@ -83,8 +83,18 @@ void __init generate_cpl_tables(void) dcplb_tbl[i_d].addr = L1_DATA_A_START; dcplb_tbl[i_d++].data = L1_DMEMORY | PAGE_SIZE_4MB; #endif +#if L1_CODE_LENGTH > 0 icplb_tbl[i_i].addr = L1_CODE_START; icplb_tbl[i_i++].data = L1_IMEMORY | PAGE_SIZE_4MB; +#endif + + /* Cover L2 memory */ +#if L2_LENGTH > 0 + dcplb_tbl[i_d].addr = L2_START; + dcplb_tbl[i_d++].data = L2_DMEMORY | PAGE_SIZE_1MB; + icplb_tbl[i_i].addr = L2_START; + icplb_tbl[i_i++].data = L2_IMEMORY | PAGE_SIZE_1MB; +#endif first_mask_dcplb = i_d; first_switched_dcplb = i_d + (1 << page_mask_order); diff --git a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c index 99f2831e2964..5094677fd09e 100644 --- a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c +++ b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c @@ -322,9 +322,11 @@ int cplb_hdr(int seqstat, struct pt_regs *regs) void flush_switched_cplbs(void) { int i; + unsigned long flags; nr_cplb_flush++; + local_irq_save(flags); disable_icplb(); for (i = first_switched_icplb; i < MAX_CPLBS; i++) { icplb_tbl[i].data = 0; @@ -338,6 +340,8 @@ void flush_switched_cplbs(void) bfin_write32(DCPLB_DATA0 + i * 4, 0); } enable_dcplb(); + local_irq_restore(flags); + } void set_mask_dcplbs(unsigned long *masks) @@ -345,10 +349,15 @@ void set_mask_dcplbs(unsigned long *masks) int i; unsigned long addr = (unsigned long)masks; unsigned long d_data; - current_rwx_mask = masks; + unsigned long flags; - if (!masks) + if (!masks) { + current_rwx_mask = masks; return; + } + + local_irq_save(flags); + current_rwx_mask = masks; d_data = CPLB_SUPV_WR | CPLB_VALID | CPLB_DIRTY | PAGE_SIZE_4KB; #ifdef CONFIG_BFIN_DCACHE @@ -367,4 +376,5 @@ void set_mask_dcplbs(unsigned long *masks) addr += PAGE_SIZE; } enable_dcplb(); + local_irq_restore(flags); } diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c index 728f708d3981..301252e84441 100644 --- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c @@ -168,8 +168,8 @@ static struct cplb_desc cplb_data[] = { .end = L2_START + L2_LENGTH, .psize = SIZE_1M, .attr = SWITCH_T | I_CPLB | D_CPLB, - .i_conf = L2_MEMORY, - .d_conf = L2_MEMORY, + .i_conf = L2_IMEMORY, + .d_conf = L2_DMEMORY, .valid = (L2_LENGTH > 0), .name = "L2 Memory", }, @@ -308,7 +308,7 @@ __fill_data_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end) } } -void __init generate_cpl_tables(void) +void __init generate_cplb_tables(void) { u16 i, j, process; diff --git a/arch/blackfin/kernel/early_printk.c b/arch/blackfin/kernel/early_printk.c index 60f67f90fe35..1f4e3d2e0901 100644 --- a/arch/blackfin/kernel/early_printk.c +++ b/arch/blackfin/kernel/early_printk.c @@ -35,6 +35,9 @@ extern struct console *bfin_earlyserial_init(unsigned int port, unsigned int cflag); #endif +#ifdef CONFIG_BFIN_JTAG_COMM +extern struct console *bfin_jc_early_init(void); +#endif static struct console *early_console; @@ -142,6 +145,15 @@ int __init setup_early_printk(char *buf) early_console = earlyserial_init(buf); } #endif + +#ifdef CONFIG_BFIN_JTAG_COMM + /* Check for Blackfin JTAG */ + if (!strncmp(buf, "jtag", 4)) { + buf += 4; + early_console = bfin_jc_early_init(); + } +#endif + #ifdef CONFIG_FB /* TODO: add framebuffer console support */ #endif diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c index a1f9641a6425..b795a207742c 100644 --- a/arch/blackfin/kernel/kgdb.c +++ b/arch/blackfin/kernel/kgdb.c @@ -1,32 +1,9 @@ /* - * File: arch/blackfin/kernel/kgdb.c - * Based on: - * Author: Sonic Zhang + * arch/blackfin/kernel/kgdb.c - Blackfin kgdb pieces * - * Created: - * Description: + * Copyright 2005-2008 Analog Devices Inc. * - * Rev: $Id: kgdb_bfin_linux-2.6.x.patch 4934 2007-02-13 09:32:11Z sonicz $ - * - * Modified: - * Copyright 2005-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * Licensed under the GPL-2 or later. */ #include <linux/string.h> @@ -39,24 +16,29 @@ #include <linux/kgdb.h> #include <linux/console.h> #include <linux/init.h> -#include <linux/debugger.h> #include <linux/errno.h> #include <linux/irq.h> +#include <linux/uaccess.h> #include <asm/system.h> #include <asm/traps.h> #include <asm/blackfin.h> +#include <asm/dma.h> /* Put the error code here just in case the user cares. */ -int gdb_bf533errcode; +int gdb_bfin_errcode; /* Likewise, the vector number here (since GDB only gets the signal number through the usual means, and that's not very specific). */ -int gdb_bf533vector = -1; +int gdb_bfin_vector = -1; #if KGDB_MAX_NO_CPUS != 8 #error change the definition of slavecpulocks #endif -void regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs) +#ifdef CONFIG_BFIN_WDT +# error "Please unselect blackfin watchdog driver before build KGDB." +#endif + +void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs) { gdb_regs[BFIN_R0] = regs->r0; gdb_regs[BFIN_R1] = regs->r1; @@ -133,7 +115,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) gdb_regs[BFIN_SEQSTAT] = p->thread.seqstat; } -void gdb_regs_to_regs(unsigned long *gdb_regs, struct pt_regs *regs) +void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs) { regs->r0 = gdb_regs[BFIN_R0]; regs->r1 = gdb_regs[BFIN_R1]; @@ -199,171 +181,208 @@ struct hw_breakpoint { unsigned int dataacc:2; unsigned short count; unsigned int addr; -} breakinfo[HW_BREAKPOINT_NUM]; +} breakinfo[HW_WATCHPOINT_NUM]; -int kgdb_arch_init(void) -{ - debugger_step = 0; - - kgdb_remove_all_hw_break(); - return 0; -} - -int kgdb_set_hw_break(unsigned long addr) +int bfin_set_hw_break(unsigned long addr, int len, enum kgdb_bptype type) { int breakno; - for (breakno = 0; breakno < HW_BREAKPOINT_NUM; breakno++) - if (!breakinfo[breakno].occupied) { + int bfin_type; + int dataacc = 0; + + switch (type) { + case BP_HARDWARE_BREAKPOINT: + bfin_type = TYPE_INST_WATCHPOINT; + break; + case BP_WRITE_WATCHPOINT: + dataacc = 1; + bfin_type = TYPE_DATA_WATCHPOINT; + break; + case BP_READ_WATCHPOINT: + dataacc = 2; + bfin_type = TYPE_DATA_WATCHPOINT; + break; + case BP_ACCESS_WATCHPOINT: + dataacc = 3; + bfin_type = TYPE_DATA_WATCHPOINT; + break; + default: + return -ENOSPC; + } + + /* Becasue hardware data watchpoint impelemented in current + * Blackfin can not trigger an exception event as the hardware + * instrction watchpoint does, we ignaore all data watch point here. + * They can be turned on easily after future blackfin design + * supports this feature. + */ + for (breakno = 0; breakno < HW_INST_WATCHPOINT_NUM; breakno++) + if (bfin_type == breakinfo[breakno].type + && !breakinfo[breakno].occupied) { breakinfo[breakno].occupied = 1; breakinfo[breakno].enabled = 1; - breakinfo[breakno].type = 1; breakinfo[breakno].addr = addr; + breakinfo[breakno].dataacc = dataacc; + breakinfo[breakno].count = 0; return 0; } return -ENOSPC; } -int kgdb_remove_hw_break(unsigned long addr) +int bfin_remove_hw_break(unsigned long addr, int len, enum kgdb_bptype type) { int breakno; - for (breakno = 0; breakno < HW_BREAKPOINT_NUM; breakno++) - if (breakinfo[breakno].addr == addr) - memset(&(breakinfo[breakno]), 0, sizeof(struct hw_breakpoint)); + int bfin_type; + + switch (type) { + case BP_HARDWARE_BREAKPOINT: + bfin_type = TYPE_INST_WATCHPOINT; + break; + case BP_WRITE_WATCHPOINT: + case BP_READ_WATCHPOINT: + case BP_ACCESS_WATCHPOINT: + bfin_type = TYPE_DATA_WATCHPOINT; + break; + default: + return 0; + } + for (breakno = 0; breakno < HW_WATCHPOINT_NUM; breakno++) + if (bfin_type == breakinfo[breakno].type + && breakinfo[breakno].occupied + && breakinfo[breakno].addr == addr) { + breakinfo[breakno].occupied = 0; + breakinfo[breakno].enabled = 0; + } return 0; } -void kgdb_remove_all_hw_break(void) +void bfin_remove_all_hw_break(void) { - memset(breakinfo, 0, sizeof(struct hw_breakpoint)*8); -} + int breakno; -/* -void kgdb_show_info(void) -{ - printk(KERN_DEBUG "hwd: wpia0=0x%x, wpiacnt0=%d, wpiactl=0x%x, wpstat=0x%x\n", - bfin_read_WPIA0(), bfin_read_WPIACNT0(), - bfin_read_WPIACTL(), bfin_read_WPSTAT()); + memset(breakinfo, 0, sizeof(struct hw_breakpoint)*HW_WATCHPOINT_NUM); + + for (breakno = 0; breakno < HW_INST_WATCHPOINT_NUM; breakno++) + breakinfo[breakno].type = TYPE_INST_WATCHPOINT; + for (; breakno < HW_WATCHPOINT_NUM; breakno++) + breakinfo[breakno].type = TYPE_DATA_WATCHPOINT; } -*/ -void kgdb_correct_hw_break(void) +void bfin_correct_hw_break(void) { int breakno; - int correctit; - uint32_t wpdactl = bfin_read_WPDACTL(); + unsigned int wpiactl = 0; + unsigned int wpdactl = 0; + int enable_wp = 0; + + for (breakno = 0; breakno < HW_WATCHPOINT_NUM; breakno++) + if (breakinfo[breakno].enabled) { + enable_wp = 1; - correctit = 0; - for (breakno = 0; breakno < HW_BREAKPOINT_NUM; breakno++) { - if (breakinfo[breakno].type == 1) { switch (breakno) { case 0: - if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN0)) { - correctit = 1; - wpdactl &= ~(WPIREN01|EMUSW0); - wpdactl |= WPIAEN0|WPICNTEN0; - bfin_write_WPIA0(breakinfo[breakno].addr); - bfin_write_WPIACNT0(breakinfo[breakno].skip); - } else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN0)) { - correctit = 1; - wpdactl &= ~WPIAEN0; - } + wpiactl |= WPIAEN0|WPICNTEN0; + bfin_write_WPIA0(breakinfo[breakno].addr); + bfin_write_WPIACNT0(breakinfo[breakno].count + + breakinfo->skip); break; - case 1: - if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN1)) { - correctit = 1; - wpdactl &= ~(WPIREN01|EMUSW1); - wpdactl |= WPIAEN1|WPICNTEN1; - bfin_write_WPIA1(breakinfo[breakno].addr); - bfin_write_WPIACNT1(breakinfo[breakno].skip); - } else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN1)) { - correctit = 1; - wpdactl &= ~WPIAEN1; - } + wpiactl |= WPIAEN1|WPICNTEN1; + bfin_write_WPIA1(breakinfo[breakno].addr); + bfin_write_WPIACNT1(breakinfo[breakno].count + + breakinfo->skip); break; - case 2: - if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN2)) { - correctit = 1; - wpdactl &= ~(WPIREN23|EMUSW2); - wpdactl |= WPIAEN2|WPICNTEN2; - bfin_write_WPIA2(breakinfo[breakno].addr); - bfin_write_WPIACNT2(breakinfo[breakno].skip); - } else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN2)) { - correctit = 1; - wpdactl &= ~WPIAEN2; - } + wpiactl |= WPIAEN2|WPICNTEN2; + bfin_write_WPIA2(breakinfo[breakno].addr); + bfin_write_WPIACNT2(breakinfo[breakno].count + + breakinfo->skip); break; - case 3: - if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN3)) { - correctit = 1; - wpdactl &= ~(WPIREN23|EMUSW3); - wpdactl |= WPIAEN3|WPICNTEN3; - bfin_write_WPIA3(breakinfo[breakno].addr); - bfin_write_WPIACNT3(breakinfo[breakno].skip); - } else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN3)) { - correctit = 1; - wpdactl &= ~WPIAEN3; - } + wpiactl |= WPIAEN3|WPICNTEN3; + bfin_write_WPIA3(breakinfo[breakno].addr); + bfin_write_WPIACNT3(breakinfo[breakno].count + + breakinfo->skip); break; case 4: - if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN4)) { - correctit = 1; - wpdactl &= ~(WPIREN45|EMUSW4); - wpdactl |= WPIAEN4|WPICNTEN4; - bfin_write_WPIA4(breakinfo[breakno].addr); - bfin_write_WPIACNT4(breakinfo[breakno].skip); - } else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN4)) { - correctit = 1; - wpdactl &= ~WPIAEN4; - } + wpiactl |= WPIAEN4|WPICNTEN4; + bfin_write_WPIA4(breakinfo[breakno].addr); + bfin_write_WPIACNT4(breakinfo[breakno].count + + breakinfo->skip); break; case 5: - if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN5)) { - correctit = 1; - wpdactl &= ~(WPIREN45|EMUSW5); - wpdactl |= WPIAEN5|WPICNTEN5; - bfin_write_WPIA5(breakinfo[breakno].addr); - bfin_write_WPIACNT5(breakinfo[breakno].skip); - } else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN5)) { - correctit = 1; - wpdactl &= ~WPIAEN5; - } + wpiactl |= WPIAEN5|WPICNTEN5; + bfin_write_WPIA5(breakinfo[breakno].addr); + bfin_write_WPIACNT5(breakinfo[breakno].count + + breakinfo->skip); + break; + case 6: + wpdactl |= WPDAEN0|WPDCNTEN0|WPDSRC0; + wpdactl |= breakinfo[breakno].dataacc + << WPDACC0_OFFSET; + bfin_write_WPDA0(breakinfo[breakno].addr); + bfin_write_WPDACNT0(breakinfo[breakno].count + + breakinfo->skip); + break; + case 7: + wpdactl |= WPDAEN1|WPDCNTEN1|WPDSRC1; + wpdactl |= breakinfo[breakno].dataacc + << WPDACC1_OFFSET; + bfin_write_WPDA1(breakinfo[breakno].addr); + bfin_write_WPDACNT1(breakinfo[breakno].count + + breakinfo->skip); break; } } - } - if (correctit) { - wpdactl &= ~WPAND; - wpdactl |= WPPWR; - /*printk("correct_hw_break: wpdactl=0x%x\n", wpdactl);*/ + + /* Should enable WPPWR bit first before set any other + * WPIACTL and WPDACTL bits */ + if (enable_wp) { + bfin_write_WPIACTL(WPPWR); + CSYNC(); + bfin_write_WPIACTL(wpiactl|WPPWR); bfin_write_WPDACTL(wpdactl); CSYNC(); - /*kgdb_show_info();*/ } } void kgdb_disable_hw_debug(struct pt_regs *regs) { /* Disable hardware debugging while we are in kgdb */ - bfin_write_WPIACTL(bfin_read_WPIACTL() & ~0x1); + bfin_write_WPIACTL(0); + bfin_write_WPDACTL(0); CSYNC(); } -void kgdb_post_master_code(struct pt_regs *regs, int eVector, int err_code) +#ifdef CONFIG_SMP +void kgdb_passive_cpu_callback(void *info) +{ + kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs()); +} + +void kgdb_roundup_cpus(unsigned long flags) +{ + smp_call_function(kgdb_passive_cpu_callback, NULL, 0, 0); +} + +void kgdb_roundup_cpu(int cpu, unsigned long flags) +{ + smp_call_function_single(cpu, kgdb_passive_cpu_callback, NULL, 0, 0); +} +#endif + +void kgdb_post_primary_code(struct pt_regs *regs, int eVector, int err_code) { /* Master processor is completely in the debugger */ - gdb_bf533vector = eVector; - gdb_bf533errcode = err_code; + gdb_bfin_vector = eVector; + gdb_bfin_errcode = err_code; } -int kgdb_arch_handle_exception(int exceptionVector, int signo, +int kgdb_arch_handle_exception(int vector, int signo, int err_code, char *remcom_in_buffer, char *remcom_out_buffer, - struct pt_regs *linux_regs) + struct pt_regs *regs) { long addr; long breakno; @@ -385,44 +404,40 @@ int kgdb_arch_handle_exception(int exceptionVector, int signo, /* try to read optional parameter, pc unchanged if no parm */ ptr = &remcom_in_buffer[1]; if (kgdb_hex2long(&ptr, &addr)) { - linux_regs->retx = addr; + regs->retx = addr; } - newPC = linux_regs->retx; + newPC = regs->retx; /* clear the trace bit */ - linux_regs->syscfg &= 0xfffffffe; + regs->syscfg &= 0xfffffffe; /* set the trace bit if we're stepping */ if (remcom_in_buffer[0] == 's') { - linux_regs->syscfg |= 0x1; - debugger_step = linux_regs->ipend; - debugger_step >>= 6; - for (i = 10; i > 0; i--, debugger_step >>= 1) - if (debugger_step & 1) + regs->syscfg |= 0x1; + kgdb_single_step = regs->ipend; + kgdb_single_step >>= 6; + for (i = 10; i > 0; i--, kgdb_single_step >>= 1) + if (kgdb_single_step & 1) break; /* i indicate event priority of current stopped instruction * user space instruction is 0, IVG15 is 1, IVTMR is 10. - * debugger_step > 0 means in single step mode + * kgdb_single_step > 0 means in single step mode */ - debugger_step = i + 1; - } else { - debugger_step = 0; + kgdb_single_step = i + 1; } - wp_status = bfin_read_WPSTAT(); - CSYNC(); - - if (exceptionVector == VEC_WATCH) { - for (breakno = 0; breakno < 6; ++breakno) { + if (vector == VEC_WATCH) { + wp_status = bfin_read_WPSTAT(); + for (breakno = 0; breakno < HW_WATCHPOINT_NUM; breakno++) { if (wp_status & (1 << breakno)) { breakinfo->skip = 1; break; } } + bfin_write_WPSTAT(0); } - kgdb_correct_hw_break(); - bfin_write_WPSTAT(0); + bfin_correct_hw_break(); return 0; } /* switch */ @@ -431,5 +446,385 @@ int kgdb_arch_handle_exception(int exceptionVector, int signo, struct kgdb_arch arch_kgdb_ops = { .gdb_bpt_instr = {0xa1}, +#ifdef CONFIG_SMP + .flags = KGDB_HW_BREAKPOINT|KGDB_THR_PROC_SWAP, +#else .flags = KGDB_HW_BREAKPOINT, +#endif + .set_hw_breakpoint = bfin_set_hw_break, + .remove_hw_breakpoint = bfin_remove_hw_break, + .remove_all_hw_break = bfin_remove_all_hw_break, + .correct_hw_break = bfin_correct_hw_break, }; + +static int hex(char ch) +{ + if ((ch >= 'a') && (ch <= 'f')) + return ch - 'a' + 10; + if ((ch >= '0') && (ch <= '9')) + return ch - '0'; + if ((ch >= 'A') && (ch <= 'F')) + return ch - 'A' + 10; + return -1; +} + +static int validate_memory_access_address(unsigned long addr, int size) +{ + int cpu = raw_smp_processor_id(); + + if (size < 0) + return EFAULT; + if (addr >= 0x1000 && (addr + size) <= physical_mem_end) + return 0; + if (addr >= SYSMMR_BASE) + return 0; + if (addr >= ASYNC_BANK0_BASE + && addr + size <= ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE) + return 0; + if (cpu == 0) { + if (addr >= L1_SCRATCH_START + && (addr + size <= L1_SCRATCH_START + L1_SCRATCH_LENGTH)) + return 0; +#if L1_CODE_LENGTH != 0 + if (addr >= L1_CODE_START + && (addr + size <= L1_CODE_START + L1_CODE_LENGTH)) + return 0; +#endif +#if L1_DATA_A_LENGTH != 0 + if (addr >= L1_DATA_A_START + && (addr + size <= L1_DATA_A_START + L1_DATA_A_LENGTH)) + return 0; +#endif +#if L1_DATA_B_LENGTH != 0 + if (addr >= L1_DATA_B_START + && (addr + size <= L1_DATA_B_START + L1_DATA_B_LENGTH)) + return 0; +#endif +#ifdef CONFIG_SMP + } else if (cpu == 1) { + if (addr >= COREB_L1_SCRATCH_START + && (addr + size <= COREB_L1_SCRATCH_START + + L1_SCRATCH_LENGTH)) + return 0; +# if L1_CODE_LENGTH != 0 + if (addr >= COREB_L1_CODE_START + && (addr + size <= COREB_L1_CODE_START + L1_CODE_LENGTH)) + return 0; +# endif +# if L1_DATA_A_LENGTH != 0 + if (addr >= COREB_L1_DATA_A_START + && (addr + size <= COREB_L1_DATA_A_START + L1_DATA_A_LENGTH)) + return 0; +# endif +# if L1_DATA_B_LENGTH != 0 + if (addr >= COREB_L1_DATA_B_START + && (addr + size <= COREB_L1_DATA_B_START + L1_DATA_B_LENGTH)) + return 0; +# endif +#endif + } + +#if L2_LENGTH != 0 + if (addr >= L2_START + && addr + size <= L2_START + L2_LENGTH) + return 0; +#endif + + return EFAULT; +} + +/* + * Convert the memory pointed to by mem into hex, placing result in buf. + * Return a pointer to the last char put in buf (null). May return an error. + */ +int kgdb_mem2hex(char *mem, char *buf, int count) +{ + char *tmp; + int err = 0; + unsigned char *pch; + unsigned short mmr16; + unsigned long mmr32; + int cpu = raw_smp_processor_id(); + + if (validate_memory_access_address((unsigned long)mem, count)) + return EFAULT; + + /* + * We use the upper half of buf as an intermediate buffer for the + * raw memory copy. Hex conversion will work against this one. + */ + tmp = buf + count; + + if ((unsigned int)mem >= SYSMMR_BASE) { /*access MMR registers*/ + switch (count) { + case 2: + if ((unsigned int)mem % 2 == 0) { + mmr16 = *(unsigned short *)mem; + pch = (unsigned char *)&mmr16; + *tmp++ = *pch++; + *tmp++ = *pch++; + tmp -= 2; + } else + err = EFAULT; + break; + case 4: + if ((unsigned int)mem % 4 == 0) { + mmr32 = *(unsigned long *)mem; + pch = (unsigned char *)&mmr32; + *tmp++ = *pch++; + *tmp++ = *pch++; + *tmp++ = *pch++; + *tmp++ = *pch++; + tmp -= 4; + } else + err = EFAULT; + break; + default: + err = EFAULT; + } + } else if (cpu == 0 && (unsigned int)mem >= L1_CODE_START && + (unsigned int)(mem + count) <= L1_CODE_START + L1_CODE_LENGTH +#ifdef CONFIG_SMP + || cpu == 1 && (unsigned int)mem >= COREB_L1_CODE_START && + (unsigned int)(mem + count) <= + COREB_L1_CODE_START + L1_CODE_LENGTH +#endif + ) { + /* access L1 instruction SRAM*/ + if (dma_memcpy(tmp, mem, count) == NULL) + err = EFAULT; + } else + err = probe_kernel_read(tmp, mem, count); + + if (!err) { + while (count > 0) { + buf = pack_hex_byte(buf, *tmp); + tmp++; + count--; + } + + *buf = 0; + } + + return err; +} + +/* + * Copy the binary array pointed to by buf into mem. Fix $, #, and + * 0x7d escaped with 0x7d. Return a pointer to the character after + * the last byte written. + */ +int kgdb_ebin2mem(char *buf, char *mem, int count) +{ + char *tmp_old; + char *tmp_new; + unsigned short *mmr16; + unsigned long *mmr32; + int err = 0; + int size = 0; + int cpu = raw_smp_processor_id(); + + tmp_old = tmp_new = buf; + + while (count-- > 0) { + if (*tmp_old == 0x7d) + *tmp_new = *(++tmp_old) ^ 0x20; + else + *tmp_new = *tmp_old; + tmp_new++; + tmp_old++; + size++; + } + + if (validate_memory_access_address((unsigned long)mem, size)) + return EFAULT; + + if ((unsigned int)mem >= SYSMMR_BASE) { /*access MMR registers*/ + switch (size) { + case 2: + if ((unsigned int)mem % 2 == 0) { + mmr16 = (unsigned short *)buf; + *(unsigned short *)mem = *mmr16; + } else + return EFAULT; + break; + case 4: + if ((unsigned int)mem % 4 == 0) { + mmr32 = (unsigned long *)buf; + *(unsigned long *)mem = *mmr32; + } else + return EFAULT; + break; + default: + return EFAULT; + } + } else if (cpu == 0 && (unsigned int)mem >= L1_CODE_START && + (unsigned int)(mem + count) < L1_CODE_START + L1_CODE_LENGTH +#ifdef CONFIG_SMP + || cpu == 1 && (unsigned int)mem >= COREB_L1_CODE_START && + (unsigned int)(mem + count) <= + COREB_L1_CODE_START + L1_CODE_LENGTH +#endif + ) { + /* access L1 instruction SRAM */ + if (dma_memcpy(mem, buf, size) == NULL) + err = EFAULT; + } else + err = probe_kernel_write(mem, buf, size); + + return err; +} + +/* + * Convert the hex array pointed to by buf into binary to be placed in mem. + * Return a pointer to the character AFTER the last byte written. + * May return an error. + */ +int kgdb_hex2mem(char *buf, char *mem, int count) +{ + char *tmp_raw; + char *tmp_hex; + unsigned short *mmr16; + unsigned long *mmr32; + int cpu = raw_smp_processor_id(); + + if (validate_memory_access_address((unsigned long)mem, count)) + return EFAULT; + + /* + * We use the upper half of buf as an intermediate buffer for the + * raw memory that is converted from hex. + */ + tmp_raw = buf + count * 2; + + tmp_hex = tmp_raw - 1; + while (tmp_hex >= buf) { + tmp_raw--; + *tmp_raw = hex(*tmp_hex--); + *tmp_raw |= hex(*tmp_hex--) << 4; + } + + if ((unsigned int)mem >= SYSMMR_BASE) { /*access MMR registers*/ + switch (count) { + case 2: + if ((unsigned int)mem % 2 == 0) { + mmr16 = (unsigned short *)tmp_raw; + *(unsigned short *)mem = *mmr16; + } else + return EFAULT; + break; + case 4: + if ((unsigned int)mem % 4 == 0) { + mmr32 = (unsigned long *)tmp_raw; + *(unsigned long *)mem = *mmr32; + } else + return EFAULT; + break; + default: + return EFAULT; + } + } else if (cpu == 0 && (unsigned int)mem >= L1_CODE_START && + (unsigned int)(mem + count) <= L1_CODE_START + L1_CODE_LENGTH +#ifdef CONFIG_SMP + || cpu == 1 && (unsigned int)mem >= COREB_L1_CODE_START && + (unsigned int)(mem + count) <= + COREB_L1_CODE_START + L1_CODE_LENGTH +#endif + ) { + /* access L1 instruction SRAM */ + if (dma_memcpy(mem, tmp_raw, count) == NULL) + return EFAULT; + } else + return probe_kernel_write(mem, tmp_raw, count); + return 0; +} + +int kgdb_validate_break_address(unsigned long addr) +{ + int cpu = raw_smp_processor_id(); + + if (addr >= 0x1000 && (addr + BREAK_INSTR_SIZE) <= physical_mem_end) + return 0; + if (addr >= ASYNC_BANK0_BASE + && addr + BREAK_INSTR_SIZE <= ASYNC_BANK3_BASE + ASYNC_BANK3_BASE) + return 0; +#if L1_CODE_LENGTH != 0 + if (cpu == 0 && addr >= L1_CODE_START + && addr + BREAK_INSTR_SIZE <= L1_CODE_START + L1_CODE_LENGTH) + return 0; +# ifdef CONFIG_SMP + else if (cpu == 1 && addr >= COREB_L1_CODE_START + && addr + BREAK_INSTR_SIZE <= COREB_L1_CODE_START + L1_CODE_LENGTH) + return 0; +# endif +#endif +#if L2_LENGTH != 0 + if (addr >= L2_START + && addr + BREAK_INSTR_SIZE <= L2_START + L2_LENGTH) + return 0; +#endif + + return EFAULT; +} + +int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr) +{ + int err; + int cpu = raw_smp_processor_id(); + + if ((cpu == 0 && (unsigned int)addr >= L1_CODE_START + && (unsigned int)(addr + BREAK_INSTR_SIZE) + < L1_CODE_START + L1_CODE_LENGTH) +#ifdef CONFIG_SMP + || (cpu == 1 && (unsigned int)addr >= COREB_L1_CODE_START + && (unsigned int)(addr + BREAK_INSTR_SIZE) + < COREB_L1_CODE_START + L1_CODE_LENGTH) +#endif + ) { + /* access L1 instruction SRAM */ + if (dma_memcpy(saved_instr, (void *)addr, BREAK_INSTR_SIZE) + == NULL) + return -EFAULT; + + if (dma_memcpy((void *)addr, arch_kgdb_ops.gdb_bpt_instr, + BREAK_INSTR_SIZE) == NULL) + return -EFAULT; + + return 0; + } else { + err = probe_kernel_read(saved_instr, (char *)addr, + BREAK_INSTR_SIZE); + if (err) + return err; + + return probe_kernel_write((char *)addr, + arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE); + } +} + +int kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle) +{ + if ((unsigned int)addr >= L1_CODE_START && + (unsigned int)(addr + BREAK_INSTR_SIZE) < + L1_CODE_START + L1_CODE_LENGTH) { + /* access L1 instruction SRAM */ + if (dma_memcpy((void *)addr, bundle, BREAK_INSTR_SIZE) == NULL) + return -EFAULT; + + return 0; + } else + return probe_kernel_write((char *)addr, + (char *)bundle, BREAK_INSTR_SIZE); +} + +int kgdb_arch_init(void) +{ + kgdb_single_step = 0; + + bfin_remove_all_hw_break(); + return 0; +} + +void kgdb_arch_exit(void) +{ +} diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index bf1a51d8e608..140bf00e9974 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -46,7 +46,6 @@ #include <asm/dma.h> #include <asm/fixed_code.h> -#define MAX_SHARED_LIBS 3 #define TEXT_OFFSET 0 /* * does not yet catch signals sent when the child dies. @@ -161,21 +160,32 @@ static inline int is_user_addr_valid(struct task_struct *child, struct vm_list_struct *vml; struct sram_list_struct *sraml; + /* overflow */ + if (start + len < start) + return -EIO; + for (vml = child->mm->context.vmlist; vml; vml = vml->next) - if (start >= vml->vma->vm_start && start + len <= vml->vma->vm_end) + if (start >= vml->vma->vm_start && start + len < vml->vma->vm_end) return 0; for (sraml = child->mm->context.sram_list; sraml; sraml = sraml->next) if (start >= (unsigned long)sraml->addr - && start + len <= (unsigned long)sraml->addr + sraml->length) + && start + len < (unsigned long)sraml->addr + sraml->length) return 0; - if (start >= FIXED_CODE_START && start + len <= FIXED_CODE_END) + if (start >= FIXED_CODE_START && start + len < FIXED_CODE_END) return 0; return -EIO; } +void ptrace_enable(struct task_struct *child) +{ + unsigned long tmp; + tmp = get_reg(child, PT_SYSCFG) | (TRACE_BITS); + put_reg(child, PT_SYSCFG, tmp); +} + /* * Called by kernel/ptrace.c when detaching.. * @@ -192,14 +202,12 @@ void ptrace_disable(struct task_struct *child) long arch_ptrace(struct task_struct *child, long request, long addr, long data) { int ret; - int add = 0; unsigned long __user *datap = (unsigned long __user *)data; switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKDATA: pr_debug("ptrace: PEEKDATA\n"); - add = MAX_SHARED_LIBS * 4; /* space between text and data */ /* fall through */ case PTRACE_PEEKTEXT: /* read word at location addr. */ { @@ -207,40 +215,35 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int copied; ret = -EIO; - pr_debug("ptrace: PEEKTEXT at addr 0x%08lx + add %d %ld\n", addr, add, - sizeof(data)); - if (is_user_addr_valid(child, addr + add, sizeof(tmp)) < 0) + pr_debug("ptrace: PEEKTEXT at addr 0x%08lx + %ld\n", addr, sizeof(data)); + if (is_user_addr_valid(child, addr, sizeof(tmp)) < 0) break; pr_debug("ptrace: user address is valid\n"); -#if L1_CODE_LENGTH != 0 - if (addr + add >= L1_CODE_START - && addr + add + sizeof(tmp) <= L1_CODE_START + L1_CODE_LENGTH) { - safe_dma_memcpy (&tmp, (const void *)(addr + add), sizeof(tmp)); + if (L1_CODE_LENGTH != 0 && addr >= L1_CODE_START + && addr + sizeof(tmp) <= L1_CODE_START + L1_CODE_LENGTH) { + safe_dma_memcpy (&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); - } else -#endif -#if L1_DATA_A_LENGTH != 0 - if (addr + add >= L1_DATA_A_START - && addr + add + sizeof(tmp) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { - memcpy(&tmp, (const void *)(addr + add), sizeof(tmp)); + + } else if (L1_DATA_A_LENGTH != 0 && addr >= L1_DATA_A_START + && addr + sizeof(tmp) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { + memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); - } else -#endif -#if L1_DATA_B_LENGTH != 0 - if (addr + add >= L1_DATA_B_START - && addr + add + sizeof(tmp) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { - memcpy(&tmp, (const void *)(addr + add), sizeof(tmp)); + + } else if (L1_DATA_B_LENGTH != 0 && addr >= L1_DATA_B_START + && addr + sizeof(tmp) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { + memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); - } else -#endif - if (addr + add >= FIXED_CODE_START - && addr + add + sizeof(tmp) <= FIXED_CODE_END) { - memcpy(&tmp, (const void *)(addr + add), sizeof(tmp)); + + } else if (addr >= FIXED_CODE_START + && addr + sizeof(tmp) <= FIXED_CODE_END) { + memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); + } else - copied = access_process_vm(child, addr + add, &tmp, + copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); + pr_debug("ptrace: copied size %d [0x%08lx]\n", copied, tmp); if (copied != sizeof(tmp)) break; @@ -284,47 +287,43 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKEDATA: - printk(KERN_NOTICE "ptrace: PTRACE_PEEKDATA\n"); + pr_debug("ptrace: PTRACE_PEEKDATA\n"); /* fall through */ case PTRACE_POKETEXT: /* write the word at location addr. */ { int copied; ret = -EIO; - pr_debug("ptrace: POKETEXT at addr 0x%08lx + add %d %ld bytes %lx\n", - addr, add, sizeof(data), data); - if (is_user_addr_valid(child, addr + add, sizeof(data)) < 0) + pr_debug("ptrace: POKETEXT at addr 0x%08lx + %ld bytes %lx\n", + addr, sizeof(data), data); + if (is_user_addr_valid(child, addr, sizeof(data)) < 0) break; pr_debug("ptrace: user address is valid\n"); -#if L1_CODE_LENGTH != 0 - if (addr + add >= L1_CODE_START - && addr + add + sizeof(data) <= L1_CODE_START + L1_CODE_LENGTH) { - safe_dma_memcpy ((void *)(addr + add), &data, sizeof(data)); + if (L1_CODE_LENGTH != 0 && addr >= L1_CODE_START + && addr + sizeof(data) <= L1_CODE_START + L1_CODE_LENGTH) { + safe_dma_memcpy ((void *)(addr), &data, sizeof(data)); copied = sizeof(data); - } else -#endif -#if L1_DATA_A_LENGTH != 0 - if (addr + add >= L1_DATA_A_START - && addr + add + sizeof(data) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { - memcpy((void *)(addr + add), &data, sizeof(data)); + + } else if (L1_DATA_A_LENGTH != 0 && addr >= L1_DATA_A_START + && addr + sizeof(data) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { + memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); - } else -#endif -#if L1_DATA_B_LENGTH != 0 - if (addr + add >= L1_DATA_B_START - && addr + add + sizeof(data) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { - memcpy((void *)(addr + add), &data, sizeof(data)); + + } else if (L1_DATA_B_LENGTH != 0 && addr >= L1_DATA_B_START + && addr + sizeof(data) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { + memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); - } else -#endif - if (addr + add >= FIXED_CODE_START - && addr + add + sizeof(data) <= FIXED_CODE_END) { - memcpy((void *)(addr + add), &data, sizeof(data)); + + } else if (addr >= FIXED_CODE_START + && addr + sizeof(data) <= FIXED_CODE_END) { + memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); + } else - copied = access_process_vm(child, addr + add, &data, + copied = access_process_vm(child, addr, &data, sizeof(data), 1); + pr_debug("ptrace: copied size %d\n", copied); if (copied != sizeof(data)) break; @@ -351,29 +350,22 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */ - case PTRACE_CONT: - { /* restart after signal. */ - long tmp; + case PTRACE_CONT: /* restart after signal. */ + pr_debug("ptrace: syscall/cont\n"); - pr_debug("ptrace_cont\n"); - - ret = -EIO; - if (!valid_signal(data)) - break; - if (request == PTRACE_SYSCALL) - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - else - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - - child->exit_code = data; - /* make sure the single step bit is not set. */ - tmp = get_reg(child, PT_SYSCFG) & ~(TRACE_BITS); - put_reg(child, PT_SYSCFG, tmp); - pr_debug("before wake_up_process\n"); - wake_up_process(child); - ret = 0; + ret = -EIO; + if (!valid_signal(data)) break; - } + if (request == PTRACE_SYSCALL) + set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); + else + clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); + child->exit_code = data; + ptrace_disable(child); + pr_debug("ptrace: before wake_up_process\n"); + wake_up_process(child); + ret = 0; + break; /* * make the child exit. Best I can do is send it a sigkill. @@ -381,55 +373,37 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) * exit. */ case PTRACE_KILL: - { - long tmp; - ret = 0; - if (child->exit_state == EXIT_ZOMBIE) /* already dead */ - break; - child->exit_code = SIGKILL; - /* make sure the single step bit is not set. */ - tmp = get_reg(child, PT_SYSCFG) & ~(TRACE_BITS); - put_reg(child, PT_SYSCFG, tmp); - wake_up_process(child); + ret = 0; + if (child->exit_state == EXIT_ZOMBIE) /* already dead */ break; - } - - case PTRACE_SINGLESTEP: - { /* set the trap flag. */ - long tmp; - - pr_debug("single step\n"); - ret = -EIO; - if (!valid_signal(data)) - break; - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - - tmp = get_reg(child, PT_SYSCFG) | (TRACE_BITS); - put_reg(child, PT_SYSCFG, tmp); + child->exit_code = SIGKILL; + ptrace_disable(child); + wake_up_process(child); + break; - child->exit_code = data; - /* give it a chance to run. */ - wake_up_process(child); - ret = 0; + case PTRACE_SINGLESTEP: /* set the trap flag. */ + pr_debug("ptrace: single step\n"); + ret = -EIO; + if (!valid_signal(data)) break; - } + clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); + ptrace_enable(child); + child->exit_code = data; + wake_up_process(child); + ret = 0; + break; case PTRACE_GETREGS: - { - - /* Get all gp regs from the child. */ - ret = ptrace_getregs(child, datap); - break; - } + /* Get all gp regs from the child. */ + ret = ptrace_getregs(child, datap); + break; case PTRACE_SETREGS: - { - printk(KERN_NOTICE - "ptrace: SETREGS: **** NOT IMPLEMENTED ***\n"); - /* Set all gp regs in the child. */ - ret = 0; - break; - } + printk(KERN_WARNING "ptrace: SETREGS: **** NOT IMPLEMENTED ***\n"); + /* Set all gp regs in the child. */ + ret = 0; + break; + default: ret = ptrace_request(child, request, addr, data); break; @@ -440,7 +414,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) asmlinkage void syscall_trace(void) { - if (!test_thread_flag(TIF_SYSCALL_TRACE)) return; diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c index 367e2dc09881..ae97ca407b0d 100644 --- a/arch/blackfin/kernel/reboot.c +++ b/arch/blackfin/kernel/reboot.c @@ -10,6 +10,7 @@ #include <asm/bfin-global.h> #include <asm/reboot.h> #include <asm/system.h> +#include <asm/bfrom.h> /* A system soft reset makes external memory unusable so force * this function into L1. We use the compiler ssync here rather @@ -20,7 +21,7 @@ * the core reset. */ __attribute__((l1_text)) -void bfin_reset(void) +static void bfin_reset(void) { /* Wait for completion of "system" events such as cache line * line fills so that we avoid infinite stalls later on as @@ -34,15 +35,15 @@ void bfin_reset(void) bfin_write_SWRST(0x7); /* Due to the way reset is handled in the hardware, we need - * to delay for 7 SCLKS. The only reliable way to do this is - * to calculate the CCLK/SCLK ratio and multiply 7. For now, + * to delay for 10 SCLKS. The only reliable way to do this is + * to calculate the CCLK/SCLK ratio and multiply 10. For now, * we'll assume worse case which is a 1:15 ratio. */ asm( "LSETUP (1f, 1f) LC0 = %0\n" "1: nop;" : - : "a" (15 * 7) + : "a" (15 * 10) : "LC0", "LB0", "LT0" ); @@ -74,7 +75,14 @@ void machine_restart(char *cmd) { native_machine_restart(cmd); local_irq_disable(); - bfin_reset(); + if (ANOMALY_05000353 || ANOMALY_05000386) + bfin_reset(); + else + /* the bootrom checks to see how it was reset and will + * automatically perform a software reset for us when + * it starts executing boot + */ + asm("raise 1;"); } __attribute__((weak)) diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 7a82d10b4ebf..7f35d1046cd8 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -42,6 +42,7 @@ EXPORT_SYMBOL(memory_start); EXPORT_SYMBOL(memory_end); EXPORT_SYMBOL(physical_mem_end); EXPORT_SYMBOL(_ramend); +EXPORT_SYMBOL(reserved_mem_dcache_on); #ifdef CONFIG_MTD_UCLINUX unsigned long memory_mtd_end, memory_mtd_start, mtd_size; @@ -52,7 +53,8 @@ EXPORT_SYMBOL(mtd_size); #endif char __initdata command_line[COMMAND_LINE_SIZE]; -unsigned int __initdata *__retx; +void __initdata *init_retx, *init_saved_retx, *init_saved_seqstat, + *init_saved_icplb_fault_addr, *init_saved_dcplb_fault_addr; /* boot memmap, for parsing "memmap=" */ #define BFIN_MEMMAP_MAX 128 /* number of entries in bfin_memmap */ @@ -77,10 +79,10 @@ static struct change_member *change_point[2*BFIN_MEMMAP_MAX] __initdata; static struct bfin_memmap_entry *overlap_list[BFIN_MEMMAP_MAX] __initdata; static struct bfin_memmap_entry new_map[BFIN_MEMMAP_MAX] __initdata; -void __init bf53x_cache_init(void) +void __init bfin_cache_init(void) { #if defined(CONFIG_BFIN_DCACHE) || defined(CONFIG_BFIN_ICACHE) - generate_cpl_tables(); + generate_cplb_tables(); #endif #ifdef CONFIG_BFIN_ICACHE @@ -100,7 +102,7 @@ void __init bf53x_cache_init(void) #endif } -void __init bf53x_relocate_l1_mem(void) +void __init bfin_relocate_l1_mem(void) { unsigned long l1_code_length; unsigned long l1_data_a_length; @@ -410,7 +412,7 @@ static __init void parse_cmdline_early(char *cmdline_p) * [_rambase, _ramstart]: kernel image * [memory_start, memory_end]: dynamic memory managed by kernel * [memory_end, _ramend]: reserved memory - * [meory_mtd_start(memory_end), + * [memory_mtd_start(memory_end), * memory_mtd_start + mtd_size]: rootfs (if any) * [_ramend - DMA_UNCACHED_REGION, * _ramend]: uncached DMA region @@ -782,16 +784,25 @@ void __init setup_arch(char **cmdline_p) _bfin_swrst = bfin_read_SWRST(); - /* If we double fault, reset the system - otherwise we hang forever */ - bfin_write_SWRST(DOUBLE_FAULT); +#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT + bfin_write_SWRST(_bfin_swrst & ~DOUBLE_FAULT); +#endif +#ifdef CONFIG_DEBUG_DOUBLEFAULT_RESET + bfin_write_SWRST(_bfin_swrst | DOUBLE_FAULT); +#endif - if (_bfin_swrst & RESET_DOUBLE) - /* - * don't decode the address, since you don't know if this - * kernel's symbol map is the same as the crashing kernel - */ - printk(KERN_INFO "Recovering from Double Fault event at %pF\n", __retx); - else if (_bfin_swrst & RESET_WDOG) + if (_bfin_swrst & RESET_DOUBLE) { + printk(KERN_EMERG "Recovering from DOUBLE FAULT event\n"); +#ifdef CONFIG_DEBUG_DOUBLEFAULT + /* We assume the crashing kernel, and the current symbol table match */ + printk(KERN_EMERG " While handling exception (EXCAUSE = 0x%x) at %pF\n", + (int)init_saved_seqstat & SEQSTAT_EXCAUSE, init_saved_retx); + printk(KERN_NOTICE " DCPLB_FAULT_ADDR: %pF\n", init_saved_dcplb_fault_addr); + printk(KERN_NOTICE " ICPLB_FAULT_ADDR: %pF\n", init_saved_icplb_fault_addr); +#endif + printk(KERN_NOTICE " The instruction at %pF caused a double exception\n", + init_retx); + } else if (_bfin_swrst & RESET_WDOG) printk(KERN_INFO "Recovering from Watchdog event\n"); else if (_bfin_swrst & RESET_SOFTWARE) printk(KERN_NOTICE "Reset caused by Software reset\n"); @@ -803,17 +814,24 @@ void __init setup_arch(char **cmdline_p) printk(KERN_INFO "Compiled for ADSP-%s Rev none\n", CPU); else printk(KERN_INFO "Compiled for ADSP-%s Rev 0.%d\n", CPU, bfin_compiled_revid()); - if (bfin_revid() != bfin_compiled_revid()) { - if (bfin_compiled_revid() == -1) - printk(KERN_ERR "Warning: Compiled for Rev none, but running on Rev %d\n", - bfin_revid()); - else if (bfin_compiled_revid() != 0xffff) - printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n", - bfin_compiled_revid(), bfin_revid()); + + if (unlikely(CPUID != bfin_cpuid())) + printk(KERN_ERR "ERROR: Not running on ADSP-%s: unknown CPUID 0x%04x Rev 0.%d\n", + CPU, bfin_cpuid(), bfin_revid()); + else { + if (bfin_revid() != bfin_compiled_revid()) { + if (bfin_compiled_revid() == -1) + printk(KERN_ERR "Warning: Compiled for Rev none, but running on Rev %d\n", + bfin_revid()); + else if (bfin_compiled_revid() != 0xffff) + printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n", + bfin_compiled_revid(), bfin_revid()); + } + if (bfin_revid() <= CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX) + printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n", + CPU, bfin_revid()); } - if (bfin_revid() < SUPPORTED_REVID) - printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n", - CPU, bfin_revid()); + printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n"); printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n", @@ -850,7 +868,7 @@ void __init setup_arch(char **cmdline_p) != SAFE_USER_INSTRUCTION - FIXED_CODE_START); init_exception_vectors(); - bf53x_cache_init(); + bfin_cache_init(); } static int __init topology_init(void) @@ -986,13 +1004,18 @@ static int show_cpuinfo(struct seq_file *m, void *v) } seq_printf(m, "processor\t: %d\n" - "vendor_id\t: %s\n" - "cpu family\t: 0x%x\n" - "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n" + "vendor_id\t: %s\n", + *(unsigned int *)v, + vendor); + + if (CPUID == bfin_cpuid()) + seq_printf(m, "cpu family\t: 0x%04x\n", CPUID); + else + seq_printf(m, "cpu family\t: Compiled for:0x%04x, running on:0x%04x\n", + CPUID, bfin_cpuid()); + + seq_printf(m, "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n" "stepping\t: %d\n", - 0, - vendor, - (bfin_read_CHIPID() & CHIPID_FAMILY), cpu, cclk/1000000, sclk/1000000, #ifdef CONFIG_MPU "mpu on", @@ -1038,7 +1061,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) if ((bfin_read_DMEM_CONTROL() & (ENDCPLB | DMC_ENABLE)) != (ENDCPLB | DMC_ENABLE)) dcache_size = 0; - if ((bfin_read_IMEM_CONTROL() & (IMC | ENICPLB)) == (IMC | ENICPLB)) + if ((bfin_read_IMEM_CONTROL() & (IMC | ENICPLB)) != (IMC | ENICPLB)) icache_size = 0; seq_printf(m, "cache size\t: %d KB(L1 icache) " @@ -1127,12 +1150,18 @@ static int show_cpuinfo(struct seq_file *m, void *v) static void *c_start(struct seq_file *m, loff_t *pos) { - return *pos < NR_CPUS ? ((void *)0x12345678) : NULL; + if (*pos == 0) + *pos = first_cpu(cpu_online_map); + if (*pos >= num_online_cpus()) + return NULL; + + return pos; } static void *c_next(struct seq_file *m, void *v, loff_t *pos) { - ++*pos; + *pos = next_cpu(*pos, cpu_online_map); + return c_start(m, pos); } diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 9a9d5083acfd..1aa2c788e228 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -34,20 +34,19 @@ #include <linux/fs.h> #include <asm/traps.h> #include <asm/cacheflush.h> +#include <asm/cplb.h> #include <asm/blackfin.h> #include <asm/irq_handler.h> #include <linux/irq.h> #include <asm/trace.h> #include <asm/fixed_code.h> -#include <asm/dma.h> #ifdef CONFIG_KGDB -# include <linux/debugger.h> # include <linux/kgdb.h> # define CHK_DEBUGGER_TRAP() \ do { \ - CHK_DEBUGGER(trapnr, sig, info.si_code, fp, ); \ + kgdb_handle_exception(trapnr, sig, info.si_code, fp); \ } while (0) # define CHK_DEBUGGER_TRAP_MAYBE() \ do { \ @@ -59,6 +58,15 @@ # define CHK_DEBUGGER_TRAP_MAYBE() do { } while (0) #endif + +#ifdef CONFIG_VERBOSE_DEBUG +#define verbose_printk(fmt, arg...) \ + printk(fmt, ##arg) +#else +#define verbose_printk(fmt, arg...) \ + ({ if (0) printk(fmt, ##arg); 0; }) +#endif + /* Initiate the event table handler */ void __init trap_init(void) { @@ -67,10 +75,19 @@ void __init trap_init(void) CSYNC(); } -unsigned long saved_icplb_fault_addr, saved_dcplb_fault_addr; +/* + * Used to save the RETX, SEQSTAT, I/D CPLB FAULT ADDR + * values across the transition from exception to IRQ5. + * We put these in L1, so they are going to be in a valid + * location during exception context + */ +__attribute__((l1_data)) +unsigned long saved_retx, saved_seqstat, + saved_icplb_fault_addr, saved_dcplb_fault_addr; static void decode_address(char *buf, unsigned long address) { +#ifdef CONFIG_DEBUG_VERBOSE struct vm_list_struct *vml; struct task_struct *p; struct mm_struct *mm; @@ -178,16 +195,39 @@ static void decode_address(char *buf, unsigned long address) done: write_unlock_irqrestore(&tasklist_lock, flags); +#else + sprintf(buf, " "); +#endif } asmlinkage void double_fault_c(struct pt_regs *fp) { console_verbose(); oops_in_progress = 1; +#ifdef CONFIG_DEBUG_VERBOSE printk(KERN_EMERG "\n" KERN_EMERG "Double Fault\n"); - dump_bfin_process(fp); - dump_bfin_mem(fp); - show_regs(fp); +#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT + if (((long)fp->seqstat & SEQSTAT_EXCAUSE) == VEC_UNCOV) { + char buf[150]; + decode_address(buf, saved_retx); + printk(KERN_EMERG "While handling exception (EXCAUSE = 0x%x) at %s:\n", + (int)saved_seqstat & SEQSTAT_EXCAUSE, buf); + decode_address(buf, saved_dcplb_fault_addr); + printk(KERN_NOTICE " DCPLB_FAULT_ADDR: %s\n", buf); + decode_address(buf, saved_icplb_fault_addr); + printk(KERN_NOTICE " ICPLB_FAULT_ADDR: %s\n", buf); + + decode_address(buf, fp->retx); + printk(KERN_NOTICE "The instruction at %s caused a double exception\n", + buf); + } else +#endif + { + dump_bfin_process(fp); + dump_bfin_mem(fp); + show_regs(fp); + } +#endif panic("Double Fault - unrecoverable event\n"); } @@ -259,34 +299,42 @@ asmlinkage void trap_c(struct pt_regs *fp) return; else break; + /* 0x03 - User Defined, userspace stack overflow */ + case VEC_EXCPT03: + info.si_code = SEGV_STACKFLOW; + sig = SIGSEGV; + verbose_printk(KERN_NOTICE EXC_0x03(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); + break; + /* 0x02 - KGDB initial connection and break signal trap */ + case VEC_EXCPT02: #ifdef CONFIG_KGDB - case VEC_EXCPT02 : /* gdb connection */ info.si_code = TRAP_ILLTRAP; sig = SIGTRAP; CHK_DEBUGGER_TRAP(); return; -#else - /* 0x02 - User Defined, Caught by default */ #endif - /* 0x03 - User Defined, userspace stack overflow */ - case VEC_EXCPT03: - info.si_code = SEGV_STACKFLOW; - sig = SIGSEGV; - printk(KERN_NOTICE EXC_0x03(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + /* 0x04 - User Defined */ + /* 0x05 - User Defined */ + /* 0x06 - User Defined */ + /* 0x07 - User Defined */ + /* 0x08 - User Defined */ + /* 0x09 - User Defined */ + /* 0x0A - User Defined */ + /* 0x0B - User Defined */ + /* 0x0C - User Defined */ + /* 0x0D - User Defined */ + /* 0x0E - User Defined */ + /* 0x0F - User Defined */ + /* If we got here, it is most likely that someone was trying to use a + * custom exception handler, and it is not actually installed properly + */ + case VEC_EXCPT04 ... VEC_EXCPT15: + info.si_code = ILL_ILLPARAOP; + sig = SIGILL; + verbose_printk(KERN_NOTICE EXC_0x04(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); break; - /* 0x04 - User Defined, Caught by default */ - /* 0x05 - User Defined, Caught by default */ - /* 0x06 - User Defined, Caught by default */ - /* 0x07 - User Defined, Caught by default */ - /* 0x08 - User Defined, Caught by default */ - /* 0x09 - User Defined, Caught by default */ - /* 0x0A - User Defined, Caught by default */ - /* 0x0B - User Defined, Caught by default */ - /* 0x0C - User Defined, Caught by default */ - /* 0x0D - User Defined, Caught by default */ - /* 0x0E - User Defined, Caught by default */ - /* 0x0F - User Defined, Caught by default */ /* 0x10 HW Single step, handled here */ case VEC_STEP: info.si_code = TRAP_STEP; @@ -301,8 +349,8 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_OVFLOW: info.si_code = TRAP_TRACEFLOW; sig = SIGTRAP; - printk(KERN_NOTICE EXC_0x11(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x11(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x12 - Reserved, Caught by default */ /* 0x13 - Reserved, Caught by default */ @@ -323,44 +371,43 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_UNDEF_I: info.si_code = ILL_ILLOPC; sig = SIGILL; - printk(KERN_NOTICE EXC_0x21(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x21(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x22 - Illegal Instruction Combination, handled here */ case VEC_ILGAL_I: info.si_code = ILL_ILLPARAOP; sig = SIGILL; - printk(KERN_NOTICE EXC_0x22(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x22(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x23 - Data CPLB protection violation, handled here */ case VEC_CPLB_VL: info.si_code = ILL_CPLB_VI; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x23(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x23(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x24 - Data access misaligned, handled here */ case VEC_MISALI_D: info.si_code = BUS_ADRALN; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x24(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x24(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x25 - Unrecoverable Event, handled here */ case VEC_UNCOV: info.si_code = ILL_ILLEXCPT; sig = SIGILL; - printk(KERN_NOTICE EXC_0x25(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x25(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x26 - Data CPLB Miss, normal case is handled in _cplb_hdr, error case is handled here */ case VEC_CPLB_M: info.si_code = BUS_ADRALN; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x26(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x26(KERN_NOTICE)); break; /* 0x27 - Data CPLB Multiple Hits - Linux Trap Zero, handled here */ case VEC_CPLB_MHIT: @@ -368,11 +415,11 @@ asmlinkage void trap_c(struct pt_regs *fp) sig = SIGSEGV; #ifdef CONFIG_DEBUG_HUNT_FOR_ZERO if (saved_dcplb_fault_addr < FIXED_CODE_START) - printk(KERN_NOTICE "NULL pointer access\n"); + verbose_printk(KERN_NOTICE "NULL pointer access\n"); else #endif - printk(KERN_NOTICE EXC_0x27(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x27(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x28 - Emulation Watchpoint, handled here */ case VEC_WATCH: @@ -390,8 +437,8 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_ISTRU_VL: /* ADSP-BF535 only (MH) */ info.si_code = BUS_OPFETCH; sig = SIGBUS; - printk(KERN_NOTICE "BF535: VEC_ISTRU_VL\n"); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE "BF535: VEC_ISTRU_VL\n"); + CHK_DEBUGGER_TRAP_MAYBE(); break; #else /* 0x29 - Reserved, Caught by default */ @@ -400,22 +447,21 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_MISALI_I: info.si_code = BUS_ADRALN; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x2A(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x2A(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2B - Instruction CPLB protection violation, handled here */ case VEC_CPLB_I_VL: info.si_code = ILL_CPLB_VI; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x2B(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x2B(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2C - Instruction CPLB miss, handled in _cplb_hdr */ case VEC_CPLB_I_M: info.si_code = ILL_CPLB_MISS; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x2C(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x2C(KERN_NOTICE)); break; /* 0x2D - Instruction CPLB Multiple Hits, handled here */ case VEC_CPLB_I_MHIT: @@ -423,18 +469,18 @@ asmlinkage void trap_c(struct pt_regs *fp) sig = SIGSEGV; #ifdef CONFIG_DEBUG_HUNT_FOR_ZERO if (saved_icplb_fault_addr < FIXED_CODE_START) - printk(KERN_NOTICE "Jump to NULL address\n"); + verbose_printk(KERN_NOTICE "Jump to NULL address\n"); else #endif - printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2E - Illegal use of Supervisor Resource, handled here */ case VEC_ILL_RES: info.si_code = ILL_PRVOPC; sig = SIGILL; - printk(KERN_NOTICE EXC_0x2E(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + verbose_printk(KERN_NOTICE EXC_0x2E(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2F - Reserved, Caught by default */ /* 0x30 - Reserved, Caught by default */ @@ -461,17 +507,17 @@ asmlinkage void trap_c(struct pt_regs *fp) case (SEQSTAT_HWERRCAUSE_SYSTEM_MMR): info.si_code = BUS_ADRALN; sig = SIGBUS; - printk(KERN_NOTICE HWC_x2(KERN_NOTICE)); + verbose_printk(KERN_NOTICE HWC_x2(KERN_NOTICE)); break; /* External Memory Addressing Error */ case (SEQSTAT_HWERRCAUSE_EXTERN_ADDR): info.si_code = BUS_ADRERR; sig = SIGBUS; - printk(KERN_NOTICE HWC_x3(KERN_NOTICE)); + verbose_printk(KERN_NOTICE HWC_x3(KERN_NOTICE)); break; /* Performance Monitor Overflow */ case (SEQSTAT_HWERRCAUSE_PERF_FLOW): - printk(KERN_NOTICE HWC_x12(KERN_NOTICE)); + verbose_printk(KERN_NOTICE HWC_x12(KERN_NOTICE)); break; /* RAISE 5 instruction */ case (SEQSTAT_HWERRCAUSE_RAISE_5): @@ -481,21 +527,25 @@ asmlinkage void trap_c(struct pt_regs *fp) printk(KERN_NOTICE HWC_default(KERN_NOTICE)); break; } - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; + /* + * We should be handling all known exception types above, + * if we get here we hit a reserved one, so panic + */ default: - info.si_code = TRAP_ILLTRAP; - sig = SIGTRAP; - printk(KERN_EMERG "Caught Unhandled Exception, code = %08lx\n", + oops_in_progress = 1; + info.si_code = ILL_ILLPARAOP; + sig = SIGILL; + verbose_printk(KERN_EMERG "Caught Unhandled Exception, code = %08lx\n", (fp->seqstat & SEQSTAT_EXCAUSE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; } BUG_ON(sig == 0); if (sig != SIGTRAP) { - unsigned long *stack; dump_bfin_process(fp); dump_bfin_mem(fp); show_regs(fp); @@ -503,7 +553,7 @@ asmlinkage void trap_c(struct pt_regs *fp) /* Print out the trace buffer if it makes sense */ #ifndef CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE if (trapnr == VEC_CPLB_I_M || trapnr == VEC_CPLB_M) - printk(KERN_NOTICE "No trace since you do not have " + verbose_printk(KERN_NOTICE "No trace since you do not have " "CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE enabled\n" KERN_NOTICE "\n"); else @@ -512,20 +562,22 @@ asmlinkage void trap_c(struct pt_regs *fp) if (oops_in_progress) { /* Dump the current kernel stack */ - printk(KERN_NOTICE "\n" KERN_NOTICE "Kernel Stack\n"); + verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "Kernel Stack\n"); show_stack(current, NULL); - print_modules(); #ifndef CONFIG_ACCESS_CHECK - printk(KERN_EMERG "Please turn on " + verbose_printk(KERN_EMERG "Please turn on " "CONFIG_ACCESS_CHECK\n"); #endif panic("Kernel exception"); } else { +#ifdef CONFIG_VERBOSE_DEBUG + unsigned long *stack; /* Dump the user space stack */ stack = (unsigned long *)rdusp(); - printk(KERN_NOTICE "Userspace Stack\n"); + verbose_printk(KERN_NOTICE "Userspace Stack\n"); show_stack(NULL, stack); +#endif } } @@ -546,7 +598,7 @@ asmlinkage void trap_c(struct pt_regs *fp) * Similar to get_user, do some address checking, then dereference * Return true on sucess, false on bad address */ -bool get_instruction(unsigned short *val, unsigned short *address) +static bool get_instruction(unsigned short *val, unsigned short *address) { unsigned long addr; @@ -592,7 +644,7 @@ bool get_instruction(unsigned short *val, unsigned short *address) #if L1_CODE_LENGTH != 0 if (addr >= L1_CODE_START && (addr + 2) <= (L1_CODE_START + L1_CODE_LENGTH)) { - dma_memcpy(val, address, 2); + isram_memcpy(val, address, 2); return true; } #endif @@ -607,45 +659,48 @@ bool get_instruction(unsigned short *val, unsigned short *address) * These are the normal instructions which cause change of flow, which * would be at the source of the trace buffer */ -void decode_instruction(unsigned short *address) +#ifdef CONFIG_DEBUG_VERBOSE +static void decode_instruction(unsigned short *address) { unsigned short opcode; if (get_instruction(&opcode, address)) { if (opcode == 0x0010) - printk("RTS"); + verbose_printk("RTS"); else if (opcode == 0x0011) - printk("RTI"); + verbose_printk("RTI"); else if (opcode == 0x0012) - printk("RTX"); + verbose_printk("RTX"); else if (opcode >= 0x0050 && opcode <= 0x0057) - printk("JUMP (P%i)", opcode & 7); + verbose_printk("JUMP (P%i)", opcode & 7); else if (opcode >= 0x0060 && opcode <= 0x0067) - printk("CALL (P%i)", opcode & 7); + verbose_printk("CALL (P%i)", opcode & 7); else if (opcode >= 0x0070 && opcode <= 0x0077) - printk("CALL (PC+P%i)", opcode & 7); + verbose_printk("CALL (PC+P%i)", opcode & 7); else if (opcode >= 0x0080 && opcode <= 0x0087) - printk("JUMP (PC+P%i)", opcode & 7); + verbose_printk("JUMP (PC+P%i)", opcode & 7); else if ((opcode >= 0x1000 && opcode <= 0x13FF) || (opcode >= 0x1800 && opcode <= 0x1BFF)) - printk("IF !CC JUMP"); + verbose_printk("IF !CC JUMP"); else if ((opcode >= 0x1400 && opcode <= 0x17ff) || (opcode >= 0x1c00 && opcode <= 0x1fff)) - printk("IF CC JUMP"); + verbose_printk("IF CC JUMP"); else if (opcode >= 0x2000 && opcode <= 0x2fff) - printk("JUMP.S"); + verbose_printk("JUMP.S"); else if (opcode >= 0xe080 && opcode <= 0xe0ff) - printk("LSETUP"); + verbose_printk("LSETUP"); else if (opcode >= 0xe200 && opcode <= 0xe2ff) - printk("JUMP.L"); + verbose_printk("JUMP.L"); else if (opcode >= 0xe300 && opcode <= 0xe3ff) - printk("CALL pcrel"); + verbose_printk("CALL pcrel"); else - printk("0x%04x", opcode); + verbose_printk("0x%04x", opcode); } } +#endif void dump_bfin_trace_buffer(void) { +#ifdef CONFIG_DEBUG_VERBOSE #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON int tflags, i = 0; char buf[150]; @@ -701,6 +756,7 @@ void dump_bfin_trace_buffer(void) trace_buffer_restore(tflags); #endif +#endif } EXPORT_SYMBOL(dump_bfin_trace_buffer); @@ -708,7 +764,7 @@ EXPORT_SYMBOL(dump_bfin_trace_buffer); * Checks to see if the address pointed to is either a * 16-bit CALL instruction, or a 32-bit CALL instruction */ -bool is_bfin_call(unsigned short *addr) +static bool is_bfin_call(unsigned short *addr) { unsigned short opcode = 0, *ins_addr; ins_addr = (unsigned short *)addr; @@ -730,8 +786,10 @@ bool is_bfin_call(unsigned short *addr) return false; } + void show_stack(struct task_struct *task, unsigned long *stack) { +#ifdef CONFIG_PRINTK unsigned int *addr, *endstack, *fp = 0, *frame; unsigned short *ins_addr; char buf[150]; @@ -756,8 +814,10 @@ void show_stack(struct task_struct *task, unsigned long *stack) } else endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack); + printk(KERN_NOTICE "Stack info:\n"); decode_address(buf, (unsigned int)stack); - printk(KERN_NOTICE "Stack info:\n" KERN_NOTICE " SP: [0x%p] %s\n", stack, buf); + printk(KERN_NOTICE " SP: [0x%p] %s\n", stack, buf); + addr = (unsigned int *)((unsigned int)stack & ~0x3F); /* First thing is to look for a frame pointer */ @@ -848,7 +908,7 @@ void show_stack(struct task_struct *task, unsigned long *stack) if (!j) printk("\n"); } - +#endif } void dump_stack(void) @@ -866,38 +926,39 @@ EXPORT_SYMBOL(dump_stack); void dump_bfin_process(struct pt_regs *fp) { +#ifdef CONFIG_DEBUG_VERBOSE /* We should be able to look at fp->ipend, but we don't push it on the * stack all the time, so do this until we fix that */ unsigned int context = bfin_read_IPEND(); if (oops_in_progress) - printk(KERN_EMERG "Kernel OOPS in progress\n"); + verbose_printk(KERN_EMERG "Kernel OOPS in progress\n"); if (context & 0x0020 && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) - printk(KERN_NOTICE "HW Error context\n"); + verbose_printk(KERN_NOTICE "HW Error context\n"); else if (context & 0x0020) - printk(KERN_NOTICE "Deferred Exception context\n"); + verbose_printk(KERN_NOTICE "Deferred Exception context\n"); else if (context & 0x3FC0) - printk(KERN_NOTICE "Interrupt context\n"); + verbose_printk(KERN_NOTICE "Interrupt context\n"); else if (context & 0x4000) - printk(KERN_NOTICE "Deferred Interrupt context\n"); + verbose_printk(KERN_NOTICE "Deferred Interrupt context\n"); else if (context & 0x8000) - printk(KERN_NOTICE "Kernel process context\n"); + verbose_printk(KERN_NOTICE "Kernel process context\n"); /* Because we are crashing, and pointers could be bad, we check things * pretty closely before we use them */ if ((unsigned long)current >= FIXED_CODE_START && !((unsigned long)current & 0x3) && current->pid) { - printk(KERN_NOTICE "CURRENT PROCESS:\n"); + verbose_printk(KERN_NOTICE "CURRENT PROCESS:\n"); if (current->comm >= (char *)FIXED_CODE_START) - printk(KERN_NOTICE "COMM=%s PID=%d\n", + verbose_printk(KERN_NOTICE "COMM=%s PID=%d\n", current->comm, current->pid); else - printk(KERN_NOTICE "COMM= invalid\n"); + verbose_printk(KERN_NOTICE "COMM= invalid\n"); if (!((unsigned long)current->mm & 0x3) && (unsigned long)current->mm >= FIXED_CODE_START) - printk(KERN_NOTICE "TEXT = 0x%p-0x%p DATA = 0x%p-0x%p\n" + verbose_printk(KERN_NOTICE "TEXT = 0x%p-0x%p DATA = 0x%p-0x%p\n" KERN_NOTICE " BSS = 0x%p-0x%p USER-STACK = 0x%p\n" KERN_NOTICE "\n", (void *)current->mm->start_code, @@ -908,38 +969,40 @@ void dump_bfin_process(struct pt_regs *fp) (void *)current->mm->brk, (void *)current->mm->start_stack); else - printk(KERN_NOTICE "invalid mm\n"); + verbose_printk(KERN_NOTICE "invalid mm\n"); } else - printk(KERN_NOTICE "\n" KERN_NOTICE + verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "No Valid process in current context\n"); +#endif } void dump_bfin_mem(struct pt_regs *fp) { +#ifdef CONFIG_DEBUG_VERBOSE unsigned short *addr, *erraddr, val = 0, err = 0; char sti = 0, buf[6]; erraddr = (void *)fp->pc; - printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr); + verbose_printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr); for (addr = (unsigned short *)((unsigned long)erraddr & ~0xF) - 0x10; addr < (unsigned short *)((unsigned long)erraddr & ~0xF) + 0x10; addr++) { if (!((unsigned long)addr & 0xF)) - printk("\n" KERN_NOTICE "0x%p: ", addr); + verbose_printk("\n" KERN_NOTICE "0x%p: ", addr); - if (get_instruction(&val, addr)) { + if (!get_instruction(&val, addr)) { val = 0; sprintf(buf, "????"); } else sprintf(buf, "%04x", val); if (addr == erraddr) { - printk("[%s]", buf); + verbose_printk("[%s]", buf); err = val; } else - printk(" %s ", buf); + verbose_printk(" %s ", buf); /* Do any previous instructions turn on interrupts? */ if (addr <= erraddr && /* in the past */ @@ -948,14 +1011,14 @@ void dump_bfin_mem(struct pt_regs *fp) sti = 1; } - printk("\n"); + verbose_printk("\n"); /* Hardware error interrupts can be deferred */ if (unlikely(sti && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR && oops_in_progress)){ - printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n"); + verbose_printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n"); #ifndef CONFIG_DEBUG_HWERR - printk(KERN_NOTICE "The remaining message may be meaningless\n" + verbose_printk(KERN_NOTICE "The remaining message may be meaningless\n" KERN_NOTICE "You should enable CONFIG_DEBUG_HWERR to get a" " better idea where it came from\n"); #else @@ -969,34 +1032,47 @@ void dump_bfin_mem(struct pt_regs *fp) /* And the last RETI points to the current userspace context */ if ((fp + 1)->pc >= current->mm->start_code && (fp + 1)->pc <= current->mm->end_code) { - printk(KERN_NOTICE "It might be better to look around here : \n"); - printk(KERN_NOTICE "-------------------------------------------\n"); + verbose_printk(KERN_NOTICE "It might be better to look around here : \n"); + verbose_printk(KERN_NOTICE "-------------------------------------------\n"); show_regs(fp + 1); - printk(KERN_NOTICE "-------------------------------------------\n"); + verbose_printk(KERN_NOTICE "-------------------------------------------\n"); } } #endif } +#endif } void show_regs(struct pt_regs *fp) { +#ifdef CONFIG_DEBUG_VERBOSE char buf [150]; struct irqaction *action; unsigned int i; unsigned long flags; - printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted()); - printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx SYSCFG: %04lx\n", + verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted()); + verbose_printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx SYSCFG: %04lx\n", (long)fp->seqstat, fp->ipend, fp->syscfg); - printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n", - (fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14); - printk(KERN_NOTICE " EXCAUSE : 0x%lx\n", + if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) { + verbose_printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n", + (fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14); +#ifdef EBIU_ERRMST + /* If the error was from the EBIU, print it out */ + if (bfin_read_EBIU_ERRMST() & CORE_ERROR) { + verbose_printk(KERN_NOTICE " EBIU Error Reason : 0x%04x\n", + bfin_read_EBIU_ERRMST()); + verbose_printk(KERN_NOTICE " EBIU Error Address : 0x%08x\n", + bfin_read_EBIU_ERRADD()); + } +#endif + } + verbose_printk(KERN_NOTICE " EXCAUSE : 0x%lx\n", fp->seqstat & SEQSTAT_EXCAUSE); for (i = 6; i <= 15 ; i++) { if (fp->ipend & (1 << i)) { decode_address(buf, bfin_read32(EVT0 + 4*i)); - printk(KERN_NOTICE " physical IVG%i asserted : %s\n", i, buf); + verbose_printk(KERN_NOTICE " physical IVG%i asserted : %s\n", i, buf); } } @@ -1009,64 +1085,65 @@ void show_regs(struct pt_regs *fp) goto unlock; decode_address(buf, (unsigned int)action->handler); - printk(KERN_NOTICE " logical irq %3d mapped : %s", i, buf); + verbose_printk(KERN_NOTICE " logical irq %3d mapped : %s", i, buf); for (action = action->next; action; action = action->next) { decode_address(buf, (unsigned int)action->handler); - printk(", %s", buf); + verbose_printk(", %s", buf); } - printk("\n"); + verbose_printk("\n"); unlock: spin_unlock_irqrestore(&irq_desc[i].lock, flags); } } decode_address(buf, fp->rete); - printk(KERN_NOTICE " RETE: %s\n", buf); + verbose_printk(KERN_NOTICE " RETE: %s\n", buf); decode_address(buf, fp->retn); - printk(KERN_NOTICE " RETN: %s\n", buf); + verbose_printk(KERN_NOTICE " RETN: %s\n", buf); decode_address(buf, fp->retx); - printk(KERN_NOTICE " RETX: %s\n", buf); + verbose_printk(KERN_NOTICE " RETX: %s\n", buf); decode_address(buf, fp->rets); - printk(KERN_NOTICE " RETS: %s\n", buf); + verbose_printk(KERN_NOTICE " RETS: %s\n", buf); decode_address(buf, fp->pc); - printk(KERN_NOTICE " PC : %s\n", buf); + verbose_printk(KERN_NOTICE " PC : %s\n", buf); if (((long)fp->seqstat & SEQSTAT_EXCAUSE) && (((long)fp->seqstat & SEQSTAT_EXCAUSE) != VEC_HWERR)) { decode_address(buf, saved_dcplb_fault_addr); - printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf); + verbose_printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf); decode_address(buf, saved_icplb_fault_addr); - printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf); + verbose_printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf); } - printk(KERN_NOTICE "\n" KERN_NOTICE "PROCESSOR STATE:\n"); - printk(KERN_NOTICE " R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n", + verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "PROCESSOR STATE:\n"); + verbose_printk(KERN_NOTICE " R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n", fp->r0, fp->r1, fp->r2, fp->r3); - printk(KERN_NOTICE " R4 : %08lx R5 : %08lx R6 : %08lx R7 : %08lx\n", + verbose_printk(KERN_NOTICE " R4 : %08lx R5 : %08lx R6 : %08lx R7 : %08lx\n", fp->r4, fp->r5, fp->r6, fp->r7); - printk(KERN_NOTICE " P0 : %08lx P1 : %08lx P2 : %08lx P3 : %08lx\n", + verbose_printk(KERN_NOTICE " P0 : %08lx P1 : %08lx P2 : %08lx P3 : %08lx\n", fp->p0, fp->p1, fp->p2, fp->p3); - printk(KERN_NOTICE " P4 : %08lx P5 : %08lx FP : %08lx SP : %08lx\n", + verbose_printk(KERN_NOTICE " P4 : %08lx P5 : %08lx FP : %08lx SP : %08lx\n", fp->p4, fp->p5, fp->fp, (long)fp); - printk(KERN_NOTICE " LB0: %08lx LT0: %08lx LC0: %08lx\n", + verbose_printk(KERN_NOTICE " LB0: %08lx LT0: %08lx LC0: %08lx\n", fp->lb0, fp->lt0, fp->lc0); - printk(KERN_NOTICE " LB1: %08lx LT1: %08lx LC1: %08lx\n", + verbose_printk(KERN_NOTICE " LB1: %08lx LT1: %08lx LC1: %08lx\n", fp->lb1, fp->lt1, fp->lc1); - printk(KERN_NOTICE " B0 : %08lx L0 : %08lx M0 : %08lx I0 : %08lx\n", + verbose_printk(KERN_NOTICE " B0 : %08lx L0 : %08lx M0 : %08lx I0 : %08lx\n", fp->b0, fp->l0, fp->m0, fp->i0); - printk(KERN_NOTICE " B1 : %08lx L1 : %08lx M1 : %08lx I1 : %08lx\n", + verbose_printk(KERN_NOTICE " B1 : %08lx L1 : %08lx M1 : %08lx I1 : %08lx\n", fp->b1, fp->l1, fp->m1, fp->i1); - printk(KERN_NOTICE " B2 : %08lx L2 : %08lx M2 : %08lx I2 : %08lx\n", + verbose_printk(KERN_NOTICE " B2 : %08lx L2 : %08lx M2 : %08lx I2 : %08lx\n", fp->b2, fp->l2, fp->m2, fp->i2); - printk(KERN_NOTICE " B3 : %08lx L3 : %08lx M3 : %08lx I3 : %08lx\n", + verbose_printk(KERN_NOTICE " B3 : %08lx L3 : %08lx M3 : %08lx I3 : %08lx\n", fp->b3, fp->l3, fp->m3, fp->i3); - printk(KERN_NOTICE "A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n", + verbose_printk(KERN_NOTICE "A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n", fp->a0w, fp->a0x, fp->a1w, fp->a1x); - printk(KERN_NOTICE "USP : %08lx ASTAT: %08lx\n", + verbose_printk(KERN_NOTICE "USP : %08lx ASTAT: %08lx\n", rdusp(), fp->astat); - printk(KERN_NOTICE "\n"); + verbose_printk(KERN_NOTICE "\n"); +#endif } #ifdef CONFIG_SYS_BFIN_SPINLOCK_L1 diff --git a/arch/blackfin/mach-bf527/boards/Kconfig b/arch/blackfin/mach-bf527/boards/Kconfig index 8bf9e58f0148..df224d04e167 100644 --- a/arch/blackfin/mach-bf527/boards/Kconfig +++ b/arch/blackfin/mach-bf527/boards/Kconfig @@ -14,4 +14,9 @@ config BFIN527_BLUETECHNIX_CM help CM-BF527 support for EVAL- and DEV-Board. +config BFIN526_EZBRD + bool "BF526-EZBRD" + help + BF526-EZBRD/EZKIT Lite board support. + endchoice diff --git a/arch/blackfin/mach-bf527/boards/Makefile b/arch/blackfin/mach-bf527/boards/Makefile index 7ba7d256bbb8..eb6ed3362f9f 100644 --- a/arch/blackfin/mach-bf527/boards/Makefile +++ b/arch/blackfin/mach-bf527/boards/Makefile @@ -4,3 +4,4 @@ obj-$(CONFIG_BFIN527_EZKIT) += ezkit.o obj-$(CONFIG_BFIN527_BLUETECHNIX_CM) += cm_bf527.o +obj-$(CONFIG_BFIN526_EZBRD) += ezbrd.o diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c index d22bc7773717..9ea440bbb13d 100644 --- a/arch/blackfin/mach-bf527/boards/cm_bf527.c +++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c @@ -43,10 +43,7 @@ #include <linux/irq.h> #include <linux/interrupt.h> #include <linux/usb/sl811.h> -#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) #include <linux/usb/musb.h> -#endif -#include <asm/cplb.h> #include <asm/dma.h> #include <asm/bfin5xx_spi.h> #include <asm/reboot.h> @@ -130,6 +127,16 @@ static struct resource musb_resources[] = { }, }; +static struct musb_hdrc_config musb_config = { + .multipoint = 0, + .dyn_fifo = 0, + .soft_con = 1, + .dma = 1, + .num_eps = 7, + .dma_channels = 7, + .gpio_vrsel = GPIO_PF11, +}; + static struct musb_hdrc_platform_data musb_plat = { #if defined(CONFIG_USB_MUSB_OTG) .mode = MUSB_OTG, @@ -138,7 +145,7 @@ static struct musb_hdrc_platform_data musb_plat = { #elif defined(CONFIG_USB_GADGET_MUSB_HDRC) .mode = MUSB_PERIPHERAL, #endif - .multipoint = 0, + .config = &musb_config, }; static u64 musb_dmamask = ~(u32)0; @@ -201,7 +208,7 @@ static struct mtd_partition partition_info[] = { { .name = "linux kernel(nand)", .offset = 0, - .size = 4 * SIZE_1M, + .size = 4 * 1024 * 1024, }, { .name = "file system(nand)", diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c new file mode 100644 index 000000000000..36c87b6fbdec --- /dev/null +++ b/arch/blackfin/mach-bf527/boards/ezbrd.c @@ -0,0 +1,734 @@ +/* + * File: arch/blackfin/mach-bf527/boards/ezbrd.c + * Based on: arch/blackfin/mach-bf537/boards/stamp.c + * Author: Aidan Williams <aidan@nicta.com.au> + * + * Created: + * Description: + * + * Modified: + * Copyright 2005 National ICT Australia (NICTA) + * Copyright 2004-2008 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/spi/spi.h> +#include <linux/spi/flash.h> + +#include <linux/i2c.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/usb/musb.h> +#include <asm/dma.h> +#include <asm/bfin5xx_spi.h> +#include <asm/reboot.h> +#include <asm/nand.h> +#include <asm/portmux.h> +#include <asm/dpmc.h> +#include <linux/spi/ad7877.h> + +/* + * Name the Board for the /proc/cpuinfo + */ +const char bfin_board_name[] = "BF526-EZBRD"; + +/* + * Driver needs to know address, irq and flag pin. + */ + +#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) +static struct resource musb_resources[] = { + [0] = { + .start = 0xffc03800, + .end = 0xffc03cff, + .flags = IORESOURCE_MEM, + }, + [1] = { /* general IRQ */ + .start = IRQ_USB_INT0, + .end = IRQ_USB_INT0, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + }, + [2] = { /* DMA IRQ */ + .start = IRQ_USB_DMA, + .end = IRQ_USB_DMA, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + }, +}; + +static struct musb_hdrc_config musb_config = { + .multipoint = 0, + .dyn_fifo = 0, + .soft_con = 1, + .dma = 1, + .num_eps = 7, + .dma_channels = 7, + .gpio_vrsel = GPIO_PG13, +}; + +static struct musb_hdrc_platform_data musb_plat = { +#if defined(CONFIG_USB_MUSB_OTG) + .mode = MUSB_OTG, +#elif defined(CONFIG_USB_MUSB_HDRC_HCD) + .mode = MUSB_HOST, +#elif defined(CONFIG_USB_GADGET_MUSB_HDRC) + .mode = MUSB_PERIPHERAL, +#endif + .config = &musb_config, +}; + +static u64 musb_dmamask = ~(u32)0; + +static struct platform_device musb_device = { + .name = "musb_hdrc", + .id = 0, + .dev = { + .dma_mask = &musb_dmamask, + .coherent_dma_mask = 0xffffffff, + .platform_data = &musb_plat, + }, + .num_resources = ARRAY_SIZE(musb_resources), + .resource = musb_resources, +}; +#endif + +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) +static struct mtd_partition ezbrd_partitions[] = { + { + .name = "bootloader(nor)", + .size = 0x40000, + .offset = 0, + }, { + .name = "linux kernel(nor)", + .size = 0x1C0000, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "file system(nor)", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND, + } +}; + +static struct physmap_flash_data ezbrd_flash_data = { + .width = 2, + .parts = ezbrd_partitions, + .nr_parts = ARRAY_SIZE(ezbrd_partitions), +}; + +static struct resource ezbrd_flash_resource = { + .start = 0x20000000, + .end = 0x203fffff, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device ezbrd_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &ezbrd_flash_data, + }, + .num_resources = 1, + .resource = &ezbrd_flash_resource, +}; +#endif + +#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE) +static struct mtd_partition partition_info[] = { + { + .name = "linux kernel(nand)", + .offset = 0, + .size = 4 * 1024 * 1024, + }, + { + .name = "file system(nand)", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct bf5xx_nand_platform bf5xx_nand_platform = { + .page_size = NFC_PG_SIZE_256, + .data_width = NFC_NWIDTH_8, + .partitions = partition_info, + .nr_partitions = ARRAY_SIZE(partition_info), + .rd_dly = 3, + .wr_dly = 3, +}; + +static struct resource bf5xx_nand_resources[] = { + { + .start = NFC_CTL, + .end = NFC_DATA_RD + 2, + .flags = IORESOURCE_MEM, + }, + { + .start = CH_NFC, + .end = CH_NFC, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bf5xx_nand_device = { + .name = "bf5xx-nand", + .id = 0, + .num_resources = ARRAY_SIZE(bf5xx_nand_resources), + .resource = bf5xx_nand_resources, + .dev = { + .platform_data = &bf5xx_nand_platform, + }, +}; +#endif + +#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) +static struct platform_device rtc_device = { + .name = "rtc-bfin", + .id = -1, +}; +#endif + + +#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) +static struct platform_device bfin_mac_device = { + .name = "bfin_mac", +}; +#endif + +#if defined(CONFIG_MTD_M25P80) \ + || defined(CONFIG_MTD_M25P80_MODULE) +static struct mtd_partition bfin_spi_flash_partitions[] = { + { + .name = "bootloader(spi)", + .size = 0x00040000, + .offset = 0, + .mask_flags = MTD_CAP_ROM + }, { + .name = "linux kernel(spi)", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND, + } +}; + +static struct flash_platform_data bfin_spi_flash_data = { + .name = "m25p80", + .parts = bfin_spi_flash_partitions, + .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions), + .type = "m25p16", +}; + +/* SPI flash chip (m25p64) */ +static struct bfin5xx_spi_chip spi_flash_chip_info = { + .enable_dma = 0, /* use dma transfer with this chip*/ + .bits_per_word = 8, +}; +#endif + +#if defined(CONFIG_SPI_ADC_BF533) \ + || defined(CONFIG_SPI_ADC_BF533_MODULE) +/* SPI ADC chip */ +static struct bfin5xx_spi_chip spi_adc_chip_info = { + .enable_dma = 1, /* use dma transfer with this chip*/ + .bits_per_word = 16, +}; +#endif + +#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) +static struct bfin5xx_spi_chip spi_mmc_chip_info = { + .enable_dma = 1, + .bits_per_word = 8, +}; +#endif + +#if defined(CONFIG_PBX) +static struct bfin5xx_spi_chip spi_si3xxx_chip_info = { + .ctl_reg = 0x4, /* send zero */ + .enable_dma = 0, + .bits_per_word = 8, + .cs_change_per_word = 1, +}; +#endif + +#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) +static struct bfin5xx_spi_chip spi_ad7877_chip_info = { + .enable_dma = 0, + .bits_per_word = 16, +}; + +static const struct ad7877_platform_data bfin_ad7877_ts_info = { + .model = 7877, + .vref_delay_usecs = 50, /* internal, no capacitor */ + .x_plate_ohms = 419, + .y_plate_ohms = 486, + .pressure_max = 1000, + .pressure_min = 0, + .stopacq_polarity = 1, + .first_conversion_delay = 3, + .acquisition_time = 1, + .averaging = 1, + .pen_down_acc_interval = 1, +}; +#endif + +#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \ + && defined(CONFIG_SND_SOC_WM8731_SPI) +static struct bfin5xx_spi_chip spi_wm8731_chip_info = { + .enable_dma = 0, + .bits_per_word = 16, +}; +#endif + +#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) +static struct bfin5xx_spi_chip spidev_chip_info = { + .enable_dma = 0, + .bits_per_word = 8, +}; +#endif + +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) +static struct bfin5xx_spi_chip lq035q1_spi_chip_info = { + .enable_dma = 0, + .bits_per_word = 8, +}; +#endif + +static struct spi_board_info bfin_spi_board_info[] __initdata = { +#if defined(CONFIG_MTD_M25P80) \ + || defined(CONFIG_MTD_M25P80_MODULE) + { + /* the modalias must be the same as spi device driver name */ + .modalias = "m25p80", /* Name of spi_driver for this device */ + .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, /* Framework bus number */ + .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/ + .platform_data = &bfin_spi_flash_data, + .controller_data = &spi_flash_chip_info, + .mode = SPI_MODE_3, + }, +#endif + +#if defined(CONFIG_SPI_ADC_BF533) \ + || defined(CONFIG_SPI_ADC_BF533_MODULE) + { + .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */ + .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, /* Framework bus number */ + .chip_select = 1, /* Framework chip select. */ + .platform_data = NULL, /* No spi_driver specific config */ + .controller_data = &spi_adc_chip_info, + }, +#endif + +#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) + { + .modalias = "spi_mmc_dummy", + .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 0, + .platform_data = NULL, + .controller_data = &spi_mmc_chip_info, + .mode = SPI_MODE_3, + }, + { + .modalias = "spi_mmc", + .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = CONFIG_SPI_MMC_CS_CHAN, + .platform_data = NULL, + .controller_data = &spi_mmc_chip_info, + .mode = SPI_MODE_3, + }, +#endif +#if defined(CONFIG_PBX) + { + .modalias = "fxs-spi", + .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 8 - CONFIG_J11_JUMPER, + .controller_data = &spi_si3xxx_chip_info, + .mode = SPI_MODE_3, + }, + { + .modalias = "fxo-spi", + .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 8 - CONFIG_J19_JUMPER, + .controller_data = &spi_si3xxx_chip_info, + .mode = SPI_MODE_3, + }, +#endif +#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) + { + .modalias = "ad7877", + .platform_data = &bfin_ad7877_ts_info, + .irq = IRQ_PF8, + .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 2, + .controller_data = &spi_ad7877_chip_info, + }, +#endif +#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \ + && defined(CONFIG_SND_SOC_WM8731_SPI) + { + .modalias = "wm8731", + .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 5, + .controller_data = &spi_wm8731_chip_info, + .mode = SPI_MODE_0, + }, +#endif +#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) + { + .modalias = "spidev", + .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + .controller_data = &spidev_chip_info, + }, +#endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) + { + .modalias = "bfin-lq035q1-spi", + .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + .controller_data = &lq035q1_spi_chip_info, + .mode = SPI_CPHA | SPI_CPOL, + }, +#endif +}; + +#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) +/* SPI controller data */ +static struct bfin5xx_spi_master bfin_spi0_info = { + .num_chipselect = 8, + .enable_dma = 1, /* master has the ability to do dma transfer */ + .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0}, +}; + +/* SPI (0) */ +static struct resource bfin_spi0_resource[] = { + [0] = { + .start = SPI0_REGBASE, + .end = SPI0_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = CH_SPI, + .end = CH_SPI, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_spi0_device = { + .name = "bfin-spi", + .id = 0, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi0_resource), + .resource = bfin_spi0_resource, + .dev = { + .platform_data = &bfin_spi0_info, /* Passed to driver */ + }, +}; +#endif /* spi master and devices */ + +#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) +static struct resource bfin_uart_resources[] = { +#ifdef CONFIG_SERIAL_BFIN_UART0 + { + .start = 0xFFC00400, + .end = 0xFFC004FF, + .flags = IORESOURCE_MEM, + }, +#endif +#ifdef CONFIG_SERIAL_BFIN_UART1 + { + .start = 0xFFC02000, + .end = 0xFFC020FF, + .flags = IORESOURCE_MEM, + }, +#endif +}; + +static struct platform_device bfin_uart_device = { + .name = "bfin-uart", + .id = 1, + .num_resources = ARRAY_SIZE(bfin_uart_resources), + .resource = bfin_uart_resources, +}; +#endif + +#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) +static struct resource bfin_sir_resources[] = { +#ifdef CONFIG_BFIN_SIR0 + { + .start = 0xFFC00400, + .end = 0xFFC004FF, + .flags = IORESOURCE_MEM, + }, +#endif +#ifdef CONFIG_BFIN_SIR1 + { + .start = 0xFFC02000, + .end = 0xFFC020FF, + .flags = IORESOURCE_MEM, + }, +#endif +}; + +static struct platform_device bfin_sir_device = { + .name = "bfin_sir", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_sir_resources), + .resource = bfin_sir_resources, +}; +#endif + +#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) +static struct resource bfin_twi0_resource[] = { + [0] = { + .start = TWI0_REGBASE, + .end = TWI0_REGBASE, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_TWI, + .end = IRQ_TWI, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device i2c_bfin_twi_device = { + .name = "i2c-bfin-twi", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_twi0_resource), + .resource = bfin_twi0_resource, +}; +#endif + +#ifdef CONFIG_I2C_BOARDINFO +static struct i2c_board_info __initdata bfin_i2c_board_info[] = { +#if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE) + { + I2C_BOARD_INFO("pcf8574_lcd", 0x22), + }, +#endif +#if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE) + { + I2C_BOARD_INFO("pcf8574_keypad", 0x27), + .irq = IRQ_PF8, + }, +#endif +}; +#endif + +#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE) +static struct platform_device bfin_sport0_uart_device = { + .name = "bfin-sport-uart", + .id = 0, +}; + +static struct platform_device bfin_sport1_uart_device = { + .name = "bfin-sport-uart", + .id = 1, +}; +#endif + +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +#include <linux/input.h> +#include <linux/gpio_keys.h> + +static struct gpio_keys_button bfin_gpio_keys_table[] = { + {BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"}, + {BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"}, +}; + +static struct gpio_keys_platform_data bfin_gpio_keys_data = { + .buttons = bfin_gpio_keys_table, + .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table), +}; + +static struct platform_device bfin_device_gpiokeys = { + .name = "gpio-keys", + .dev = { + .platform_data = &bfin_gpio_keys_data, + }, +}; +#endif + +static struct resource bfin_gpios_resources = { + .start = 0, + .end = MAX_BLACKFIN_GPIOS - 1, + .flags = IORESOURCE_IRQ, +}; + +static struct platform_device bfin_gpios_device = { + .name = "simple-gpio", + .id = -1, + .num_resources = 1, + .resource = &bfin_gpios_resources, +}; + +static const unsigned int cclk_vlev_datasheet[] = +{ + VRPAIR(VLEV_100, 400000000), + VRPAIR(VLEV_105, 426000000), + VRPAIR(VLEV_110, 500000000), + VRPAIR(VLEV_115, 533000000), + VRPAIR(VLEV_120, 600000000), +}; + +static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = { + .tuple_tab = cclk_vlev_datasheet, + .tabsize = ARRAY_SIZE(cclk_vlev_datasheet), + .vr_settling_time = 25 /* us */, +}; + +static struct platform_device bfin_dpmc = { + .name = "bfin dpmc", + .dev = { + .platform_data = &bfin_dmpc_vreg_data, + }, +}; + +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) +#include <asm/bfin-lq035q1.h> + +static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = { + .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB, + .use_bl = 1, + .gpio_bl = GPIO_PG12, +}; + +static struct resource bfin_lq035q1_resources[] = { + { + .start = IRQ_PPI_ERROR, + .end = IRQ_PPI_ERROR, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_lq035q1_device = { + .name = "bfin-lq035q1", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_lq035q1_resources), + .resource = bfin_lq035q1_resources, + .dev = { + .platform_data = &bfin_lq035q1_data, + }, +}; +#endif + +static struct platform_device *stamp_devices[] __initdata = { + + &bfin_dpmc, + +#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE) + &bf5xx_nand_device, +#endif + +#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) + &rtc_device, +#endif + +#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) + &musb_device, +#endif + +#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) + &bfin_mac_device, +#endif + +#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) + &bfin_spi0_device, +#endif + +#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) + &bfin_uart_device, +#endif + +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) + &bfin_lq035q1_device, +#endif + +#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) + &bfin_sir_device, +#endif + +#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) + &i2c_bfin_twi_device, +#endif + +#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE) + &bfin_sport0_uart_device, + &bfin_sport1_uart_device, +#endif + +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) + &bfin_device_gpiokeys, +#endif + +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) + &ezbrd_flash_device, +#endif + + &bfin_gpios_device, +}; + +static int __init stamp_init(void) +{ + printk(KERN_INFO "%s(): registering device resources\n", __func__); + +#ifdef CONFIG_I2C_BOARDINFO + i2c_register_board_info(0, bfin_i2c_board_info, + ARRAY_SIZE(bfin_i2c_board_info)); +#endif + + platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices)); + spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); + return 0; +} + +arch_initcall(stamp_init); + +void native_machine_restart(char *cmd) +{ + /* workaround reboot hang when booting from SPI */ + if ((bfin_read_SYSCR() & 0x7) == 0x3) + bfin_gpio_reset_spi0_ssel1(); +} + +void bfin_get_ether_addr(char *addr) +{ + /* the MAC is stored in OTP memory page 0xDF */ + u32 ret; + u64 otp_mac; + u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A; + + ret = otp_read(0xDF, 0x00, &otp_mac); + if (!(ret & 0x1)) { + char *otp_mac_p = (char *)&otp_mac; + for (ret = 0; ret < 6; ++ret) + addr[ret] = otp_mac_p[5 - ret]; + } +} +EXPORT_SYMBOL(bfin_get_ether_addr); diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c index 762f754c06cc..8ee2b744e234 100644 --- a/arch/blackfin/mach-bf527/boards/ezkit.c +++ b/arch/blackfin/mach-bf527/boards/ezkit.c @@ -42,10 +42,7 @@ #include <linux/irq.h> #include <linux/interrupt.h> #include <linux/usb/sl811.h> -#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) #include <linux/usb/musb.h> -#endif -#include <asm/cplb.h> #include <asm/dma.h> #include <asm/bfin5xx_spi.h> #include <asm/reboot.h> @@ -129,6 +126,16 @@ static struct resource musb_resources[] = { }, }; +static struct musb_hdrc_config musb_config = { + .multipoint = 0, + .dyn_fifo = 0, + .soft_con = 1, + .dma = 1, + .num_eps = 7, + .dma_channels = 7, + .gpio_vrsel = GPIO_PG13, +}; + static struct musb_hdrc_platform_data musb_plat = { #if defined(CONFIG_USB_MUSB_OTG) .mode = MUSB_OTG, @@ -137,7 +144,7 @@ static struct musb_hdrc_platform_data musb_plat = { #elif defined(CONFIG_USB_GADGET_MUSB_HDRC) .mode = MUSB_PERIPHERAL, #endif - .multipoint = 0, + .config = &musb_config, }; static u64 musb_dmamask = ~(u32)0; @@ -218,7 +225,7 @@ static struct mtd_partition partition_info[] = { { .name = "linux kernel(nand)", .offset = 0, - .size = 4 * SIZE_1M, + .size = 4 * 1024 * 1024, }, { .name = "file system(nand)", @@ -846,6 +853,38 @@ static struct platform_device bfin_device_gpiokeys = { }; #endif +#if defined(CONFIG_JOYSTICK_BFIN_ROTARY) || defined(CONFIG_JOYSTICK_BFIN_ROTARY_MODULE) +#include <linux/input.h> +#include <asm/bfin_rotary.h> + +static struct bfin_rotary_platform_data bfin_rotary_data = { + /*.rotary_up_key = KEY_UP,*/ + /*.rotary_down_key = KEY_DOWN,*/ + .rotary_rel_code = REL_WHEEL, + .rotary_button_key = KEY_ENTER, + .debounce = 10, /* 0..17 */ + .mode = ROT_QUAD_ENC | ROT_DEBE, +}; + +static struct resource bfin_rotary_resources[] = { + { + .start = IRQ_CNT, + .end = IRQ_CNT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_rotary_device = { + .name = "bfin-rotary", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_rotary_resources), + .resource = bfin_rotary_resources, + .dev = { + .platform_data = &bfin_rotary_data, + }, +}; +#endif + static struct resource bfin_gpios_resources = { .start = 0, .end = MAX_BLACKFIN_GPIOS - 1, @@ -962,6 +1001,10 @@ static struct platform_device *stamp_devices[] __initdata = { &bfin_device_gpiokeys, #endif +#if defined(CONFIG_JOYSTICK_BFIN_ROTARY) || defined(CONFIG_JOYSTICK_BFIN_ROTARY_MODULE) + &bfin_rotary_device, +#endif + #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) &ezkit_flash_device, #endif diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S index 28c486191209..6588170e3845 100644 --- a/arch/blackfin/mach-bf527/head.S +++ b/arch/blackfin/mach-bf527/head.S @@ -87,6 +87,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ diff --git a/arch/blackfin/mach-bf527/include/mach/anomaly.h b/arch/blackfin/mach-bf527/include/mach/anomaly.h index b7b166f4f064..62373e61c585 100644 --- a/arch/blackfin/mach-bf527/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf527/include/mach/anomaly.h @@ -7,12 +7,24 @@ */ /* This file shoule be up to date with: - * - Revision C, 01/25/2008; ADSP-BF527 Blackfin Processor Anomaly List + * - Revision B, 08/12/2008; ADSP-BF526 Blackfin Processor Anomaly List + * - Revision E, 08/18/2008; ADSP-BF527 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ #define _MACH_ANOMALY_H_ +#if defined(__ADSPBF522__) || defined(__ADSPBF524__) || defined(__ADSPBF526__) +# define ANOMALY_BF526 1 +#else +# define ANOMALY_BF526 0 +#endif +#if defined(__ADSPBF523__) || defined(__ADSPBF525__) || defined(__ADSPBF527__) +# define ANOMALY_BF527 1 +#else +# define ANOMALY_BF527 0 +#endif + /* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot2 Not Supported */ #define ANOMALY_05000074 (1) /* DMA_RUN Bit Is Not Valid after a Peripheral Receive Channel DMA Stops */ @@ -23,68 +35,124 @@ #define ANOMALY_05000245 (1) /* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */ #define ANOMALY_05000265 (1) -/* New Feature: EMAC TX DMA Word Alignment */ -#define ANOMALY_05000285 (1) +/* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */ +#define ANOMALY_05000310 (1) /* Errors when SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */ -#define ANOMALY_05000312 (1) +#define ANOMALY_05000312 (ANOMALY_BF527) +/* PPI Is Level-Sensitive on First Transfer In Single Frame Sync Modes */ +#define ANOMALY_05000313 (__SILICON_REVISION__ < 2) /* Incorrect Access of OTP_STATUS During otp_write() Function */ -#define ANOMALY_05000328 (1) +#define ANOMALY_05000328 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Disallowed Configuration Prevents Subsequent Allowed Configuration on Host DMA Port */ -#define ANOMALY_05000337 (1) +#define ANOMALY_05000337 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Ethernet MAC MDIO Reads Do Not Meet IEEE Specification */ -#define ANOMALY_05000341 (1) +#define ANOMALY_05000341 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* TWI May Not Operate Correctly Under Certain Signal Termination Conditions */ -#define ANOMALY_05000342 (1) +#define ANOMALY_05000342 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* USB Calibration Value Is Not Initialized */ -#define ANOMALY_05000346 (1) +#define ANOMALY_05000346 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* USB Calibration Value to use */ +#define ANOMALY_05000346_value 0xE510 /* Preboot Routine Incorrectly Alters Reset Value of USB Register */ -#define ANOMALY_05000347 (1) +#define ANOMALY_05000347 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Security Features Are Not Functional */ -#define ANOMALY_05000348 (__SILICON_REVISION__ < 1) +#define ANOMALY_05000348 (ANOMALY_BF527 && __SILICON_REVISION__ < 1) +/* bfrom_SysControl() Firmware Function Performs Improper System Reset */ +#define ANOMALY_05000353 (ANOMALY_BF526) /* Regulator Programming Blocked when Hibernate Wakeup Source Remains Active */ -#define ANOMALY_05000355 (1) +#define ANOMALY_05000355 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ -#define ANOMALY_05000357 (1) +#define ANOMALY_05000357 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Incorrect Revision Number in DSPID Register */ -#define ANOMALY_05000364 (__SILICON_REVISION__ > 0) +#define ANOMALY_05000364 (ANOMALY_BF527 && __SILICON_REVISION__ == 1) /* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */ #define ANOMALY_05000366 (1) -/* New Feature: Higher Default CCLK Rate */ -#define ANOMALY_05000368 (1) +/* Incorrect Default CSEL Value in PLL_DIV */ +#define ANOMALY_05000368 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ -#define ANOMALY_05000371 (1) +#define ANOMALY_05000371 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Authentication Fails To Initiate */ -#define ANOMALY_05000376 (__SILICON_REVISION__ > 0) +#define ANOMALY_05000376 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Data Read From L3 Memory by USB DMA May be Corrupted */ -#define ANOMALY_05000380 (1) -/* USB Full-speed Mode not Fully Tested */ -#define ANOMALY_05000381 (1) -/* New Feature: Boot from OTP Memory */ -#define ANOMALY_05000385 (1) -/* New Feature: bfrom_SysControl() Routine */ -#define ANOMALY_05000386 (1) -/* New Feature: Programmable Preboot Settings */ -#define ANOMALY_05000387 (1) +#define ANOMALY_05000380 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* 8-Bit NAND Flash Boot Mode Not Functional */ +#define ANOMALY_05000382 (__SILICON_REVISION__ < 2) +/* Host Must Not Read Back During Host DMA Boot */ +#define ANOMALY_05000384 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Boot from OTP Memory Not Functional */ +#define ANOMALY_05000385 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* bfrom_SysControl() Firmware Routine Not Functional */ +#define ANOMALY_05000386 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Programmable Preboot Settings Not Functional */ +#define ANOMALY_05000387 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* CRC32 Checksum Support Not Functional */ +#define ANOMALY_05000388 (__SILICON_REVISION__ < 2) /* Reset Vector Must Not Be in SDRAM Memory Space */ -#define ANOMALY_05000389 (1) -/* New Feature: pTempCurrent Added to ADI_BOOT_DATA Structure */ -#define ANOMALY_05000392 (1) -/* New Feature: dTempByteCount Value Increased in ADI_BOOT_DATA Structure */ -#define ANOMALY_05000393 (1) -/* New Feature: Log Buffer Functionality */ -#define ANOMALY_05000394 (1) -/* New Feature: Hook Routine Functionality */ -#define ANOMALY_05000395 (1) -/* New Feature: Header Indirect Bit */ -#define ANOMALY_05000396 (1) -/* New Feature: BK_ONES, BK_ZEROS, and BK_DATECODE Constants */ -#define ANOMALY_05000397 (1) -/* New Feature: SWRESET, DFRESET and WDRESET Bits Added to SYSCR Register */ -#define ANOMALY_05000398 (1) -/* New Feature: BCODE_NOBOOT Added to BCODE Field of SYSCR Register */ -#define ANOMALY_05000399 (1) +#define ANOMALY_05000389 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* pTempCurrent Not Present in ADI_BOOT_DATA Structure */ +#define ANOMALY_05000392 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Deprecated Value of dTempByteCount in ADI_BOOT_DATA Structure */ +#define ANOMALY_05000393 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Log Buffer Not Functional */ +#define ANOMALY_05000394 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Hook Routine Not Functional */ +#define ANOMALY_05000395 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Header Indirect Bit Not Functional */ +#define ANOMALY_05000396 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* BK_ONES, BK_ZEROS, and BK_DATECODE Constants Not Functional */ +#define ANOMALY_05000397 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* SWRESET, DFRESET and WDRESET Bits in the SYSCR Register Not Functional */ +#define ANOMALY_05000398 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* BCODE_NOBOOT in BCODE Field of SYSCR Register Not Functional */ +#define ANOMALY_05000399 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* PPI Data Signals D0 and D8 do not Tristate After Disabling PPI */ -#define ANOMALY_05000401 (1) +#define ANOMALY_05000401 (__SILICON_REVISION__ < 2) +/* Level-Sensitive External GPIO Wakeups May Cause Indefinite Stall */ +#define ANOMALY_05000403 (__SILICON_REVISION__ < 2) +/* Lockbox SESR Disallows Certain User Interrupts */ +#define ANOMALY_05000404 (__SILICON_REVISION__ < 2) +/* Lockbox SESR Firmware Does Not Save/Restore Full Context */ +#define ANOMALY_05000405 (1) +/* Lockbox SESR Firmware Arguments Are Not Retained After First Initialization */ +#define ANOMALY_05000407 (__SILICON_REVISION__ < 2) +/* Lockbox Firmware Memory Cleanup Routine Does not Clear Registers */ +#define ANOMALY_05000408 (1) +/* Lockbox firmware leaves MDMA0 channel enabled */ +#define ANOMALY_05000409 (__SILICON_REVISION__ < 2) +/* Incorrect Default Internal Voltage Regulator Setting */ +#define ANOMALY_05000410 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* bfrom_SysControl() Firmware Function Cannot be Used to Enter Power Saving Modes */ +#define ANOMALY_05000411 (__SILICON_REVISION__ < 2) +/* OTP_CHECK_FOR_PREV_WRITE Bit is Not Functional in bfrom_OtpWrite() API */ +#define ANOMALY_05000414 (__SILICON_REVISION__ < 2) +/* DEB2_URGENT Bit Not Functional */ +#define ANOMALY_05000415 (__SILICON_REVISION__ < 2) +/* Speculative Fetches Can Cause Undesired External FIFO Operations */ +#define ANOMALY_05000416 (1) +/* SPORT0 Ignores External TSCLK0 on PG14 When TMR6 is an Output */ +#define ANOMALY_05000417 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* tSFSPE and tHFSPE Do Not Meet Data Sheet Specifications */ +#define ANOMALY_05000418 (__SILICON_REVISION__ < 2) +/* USB PLL_STABLE Bit May Not Accurately Reflect the USB PLL's Status */ +#define ANOMALY_05000420 (__SILICON_REVISION__ < 2) +/* TWI Fall Time (Tof) May Violate the Minimum I2C Specification */ +#define ANOMALY_05000421 (1) +/* TWI Input Capacitance (Ci) May Violate the Maximum I2C Specification */ +#define ANOMALY_05000422 (ANOMALY_BF527 && __SILICON_REVISION__ > 1) +/* Certain Ethernet Frames With Errors are Misclassified in RMII Mode */ +#define ANOMALY_05000423 (__SILICON_REVISION__ < 2) +/* Internal Voltage Regulator Not Trimmed */ +#define ANOMALY_05000424 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Multichannel SPORT Channel Misalignment Under Specific Configuration */ +#define ANOMALY_05000425 (__SILICON_REVISION__ < 2) +/* Speculative Fetches of Indirect-Pointer Instructions Can Cause Spurious Hardware Errors */ +#define ANOMALY_05000426 (1) +/* WB_EDGE Bit in NFC_IRQSTAT Incorrectly Reflects Buffer Status Instead of IRQ Status */ +#define ANOMALY_05000429 (__SILICON_REVISION__ < 2) +/* Software System Reset Corrupts PLL_LOCKCNT Register */ +#define ANOMALY_05000430 (ANOMALY_BF527 && __SILICON_REVISION__ > 1) +/* bfrom_SysControl() Does Not Clear SIC_IWR1 Before Executing PLL Programming Sequence */ +#define ANOMALY_05000432 (ANOMALY_BF526) /* Anomalies that don't exist on this proc */ #define ANOMALY_05000125 (0) @@ -97,6 +165,8 @@ #define ANOMALY_05000263 (0) #define ANOMALY_05000266 (0) #define ANOMALY_05000273 (0) +#define ANOMALY_05000285 (0) +#define ANOMALY_05000307 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000323 (0) #define ANOMALY_05000363 (0) diff --git a/arch/blackfin/mach-bf527/include/mach/bf527.h b/arch/blackfin/mach-bf527/include/mach/bf527.h index 056eb4b9cd25..144f08d3f8ea 100644 --- a/arch/blackfin/mach-bf527/include/mach/bf527.h +++ b/arch/blackfin/mach-bf527/include/mach/bf527.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF527_H__ #define __MACH_BF527_H__ -#define SUPPORTED_REVID 2 - #define OFFSET_(x) ((x) & 0x0000FFFF) /*some misc defines*/ @@ -112,16 +110,31 @@ #ifdef CONFIG_BF527 #define CPU "BF527" +#define CPUID 0x27e4 +#endif +#ifdef CONFIG_BF526 +#define CPU "BF526" +#define CPUID 0x27e4 #endif #ifdef CONFIG_BF525 #define CPU "BF525" +#define CPUID 0x27e4 +#endif +#ifdef CONFIG_BF524 +#define CPU "BF524" +#define CPUID 0x27e4 +#endif +#ifdef CONFIG_BF523 +#define CPU "BF523" +#define CPUID 0x27e4 #endif #ifdef CONFIG_BF522 #define CPU "BF522" +#define CPUID 0x27e4 #endif + #ifndef CPU -#define CPU "UNKNOWN" -#define CPUID 0x0 +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF527_H__ */ diff --git a/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h index 2526b6ed6faa..75722d6008b0 100644 --- a/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h @@ -78,6 +78,9 @@ # define CONFIG_UART1_RTS_PIN -1 # endif #endif + +#define BFIN_UART_TX_FIFO_SIZE 2 + /* * The pin configuration is different from schematic */ @@ -119,7 +122,6 @@ static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) bfin_write16(uart->port.membase + OFFSET_LSR, -1); } -struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -164,8 +166,6 @@ struct bfin_serial_res bfin_serial_resource[] = { #endif }; -int nr_ports = ARRAY_SIZE(bfin_serial_resource); - #define DRIVER_NAME "bfin-uart" static void bfin_serial_hw_init(struct bfin_serial_port *uart) diff --git a/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h b/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h index 6ac2ed7026eb..68b55d03fedf 100644 --- a/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h +++ b/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h @@ -1840,6 +1840,33 @@ #define DPRESCALE 0xf /* Load Counter Register */ +/* CNT_COMMAND bit field options */ + +#define W1LCNT_ZERO 0x0001 /* write 1 to load CNT_COUNTER with zero */ +#define W1LCNT_MIN 0x0004 /* write 1 to load CNT_COUNTER from CNT_MIN */ +#define W1LCNT_MAX 0x0008 /* write 1 to load CNT_COUNTER from CNT_MAX */ + +#define W1LMIN_ZERO 0x0010 /* write 1 to load CNT_MIN with zero */ +#define W1LMIN_CNT 0x0020 /* write 1 to load CNT_MIN from CNT_COUNTER */ +#define W1LMIN_MAX 0x0080 /* write 1 to load CNT_MIN from CNT_MAX */ + +#define W1LMAX_ZERO 0x0100 /* write 1 to load CNT_MAX with zero */ +#define W1LMAX_CNT 0x0200 /* write 1 to load CNT_MAX from CNT_COUNTER */ +#define W1LMAX_MIN 0x0400 /* write 1 to load CNT_MAX from CNT_MIN */ + +/* CNT_CONFIG bit field options */ + +#define CNTMODE_QUADENC 0x0000 /* quadrature encoder mode */ +#define CNTMODE_BINENC 0x0100 /* binary encoder mode */ +#define CNTMODE_UDCNT 0x0200 /* up/down counter mode */ +#define CNTMODE_DIRCNT 0x0400 /* direction counter mode */ +#define CNTMODE_DIRTMR 0x0500 /* direction timer mode */ + +#define BNDMODE_COMP 0x0000 /* boundary compare mode */ +#define BNDMODE_ZERO 0x1000 /* boundary compare and zero mode */ +#define BNDMODE_CAPT 0x2000 /* boundary capture mode */ +#define BNDMODE_AEXT 0x3000 /* boundary auto-extend mode */ + /* Bit masks for OTP_CONTROL */ #define FUSE_FADDR 0x1ff /* OTP/Fuse Address */ diff --git a/arch/blackfin/mach-bf527/include/mach/portmux.h b/arch/blackfin/mach-bf527/include/mach/portmux.h index ae4d205bfcf5..7f6da2c386bb 100644 --- a/arch/blackfin/mach-bf527/include/mach/portmux.h +++ b/arch/blackfin/mach-bf527/include/mach/portmux.h @@ -67,6 +67,10 @@ #define P_UART1_RX (P_DEFINED | P_IDENT(GPIO_PG13) | P_FUNCT(1)) #endif +#define P_CNT_CZM (P_DEFINED | P_IDENT(GPIO_PF11) | P_FUNCT(3)) +#define P_CNT_CDG (P_DEFINED | P_IDENT(GPIO_PF12) | P_FUNCT(3)) +#define P_CNT_CUD (P_DEFINED | P_IDENT(GPIO_PF13) | P_FUNCT(3)) + #define P_HWAIT (P_DONTCARE) #define P_SPI0_SS (P_DEFINED | P_IDENT(GPIO_PG1) | P_FUNCT(0)) diff --git a/arch/blackfin/mach-bf533/boards/H8606.c b/arch/blackfin/mach-bf533/boards/H8606.c index c66a68f30239..72ac3ac8ef76 100644 --- a/arch/blackfin/mach-bf533/boards/H8606.c +++ b/arch/blackfin/mach-bf533/boards/H8606.c @@ -9,7 +9,7 @@ * Modified: * Copyright 2005 National ICT Australia (NICTA) * Copyright 2004-2006 Analog Devices Inc - * Copyright 2007 HV Sistemas S.L. + * Copyright 2007,2008 HV Sistemas S.L. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * @@ -64,18 +64,18 @@ static struct platform_device rtc_device = { static struct resource dm9000_resources[] = { [0] = { .start = 0x20300000, - .end = 0x20300000 + 1, + .end = 0x20300002, .flags = IORESOURCE_MEM, }, [1] = { - .start = 0x20300000 + 4, - .end = 0x20300000 + 5, + .start = 0x20300004, + .end = 0x20300006, .flags = IORESOURCE_MEM, }, [2] = { .start = IRQ_PF10, .end = IRQ_PF10, - .flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE), + .flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | IRQF_SHARED | IRQF_TRIGGER_HIGH), }, }; @@ -140,18 +140,22 @@ static struct platform_device net2272_bfin_device = { #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE) static struct mtd_partition bfin_spi_flash_partitions[] = { { - .name = "bootloader(spi)", - .size = 0x00060000, + .name = "bootloader (spi)", + .size = 0x40000, .offset = 0, .mask_flags = MTD_CAP_ROM }, { - .name = "linux kernel(spi)", - .size = 0x100000, - .offset = 0x60000 + .name = "fpga (spi)", + .size = 0x30000, + .offset = 0x40000 }, { - .name = "file system(spi)", - .size = 0x6a0000, - .offset = 0x00160000, + .name = "linux kernel (spi)", + .size = 0x150000, + .offset = 0x70000 + }, { + .name = "jffs2 root file system (spi)", + .size = 0x640000, + .offset = 0x1c0000, } }; @@ -340,7 +344,7 @@ static struct platform_device bfin_sir_device = { static struct plat_serial8250_port serial8250_platform_data [] = { { - .membase = 0x20200000, + .membase = (void *)0x20200000, .mapbase = 0x20200000, .irq = IRQ_PF8, .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE, @@ -348,7 +352,7 @@ static struct plat_serial8250_port serial8250_platform_data [] = { .regshift = 1, .uartclk = 66666667, }, { - .membase = 0x20200010, + .membase = (void *)0x20200010, .mapbase = 0x20200010, .irq = IRQ_PF8, .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE, diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S index 01b2b7ead5ab..619685b94d90 100644 --- a/arch/blackfin/mach-bf533/head.S +++ b/arch/blackfin/mach-bf533/head.S @@ -78,6 +78,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ diff --git a/arch/blackfin/mach-bf533/include/mach/anomaly.h b/arch/blackfin/mach-bf533/include/mach/anomaly.h index 8f7ea112fd3a..f544fc56959a 100644 --- a/arch/blackfin/mach-bf533/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf533/include/mach/anomaly.h @@ -7,7 +7,7 @@ */ /* This file shoule be up to date with: - * - Revision C, 02/08/2008; ADSP-BF531/BF532/BF533 Blackfin Processor Anomaly List + * - Revision D, 06/18/2008; ADSP-BF531/BF532/BF533 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ @@ -97,11 +97,11 @@ /* UART STB Bit Incorrectly Affects Receiver Setting */ #define ANOMALY_05000231 (__SILICON_REVISION__ < 5) /* PPI_FS3 Is Not Driven in 2 or 3 Internal Frame Sync Transmit Modes */ -#define ANOMALY_05000233 (__SILICON_REVISION__ < 4) +#define ANOMALY_05000233 (__SILICON_REVISION__ < 6) /* Incorrect Revision Number in DSPID Register */ #define ANOMALY_05000234 (__SILICON_REVISION__ == 4) /* DF Bit in PLL_CTL Register Does Not Respond to Hardware Reset */ -#define ANOMALY_05000242 (__SILICON_REVISION__ < 4) +#define ANOMALY_05000242 (__SILICON_REVISION__ < 5) /* If I-Cache Is On, CSYNC/SSYNC/IDLE Around Change of Control Causes Failures */ #define ANOMALY_05000244 (__SILICON_REVISION__ < 5) /* Spurious Hardware Error from an Access in the Shadow of a Conditional Branch */ @@ -131,7 +131,7 @@ /* CSYNC/SSYNC/IDLE Causes Infinite Stall in Penultimate Instruction in Hardware Loop */ #define ANOMALY_05000264 (__SILICON_REVISION__ < 5) /* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */ -#define ANOMALY_05000265 (__SILICON_REVISION__ < 5) +#define ANOMALY_05000265 (1) /* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Increase */ #define ANOMALY_05000269 (__SILICON_REVISION__ < 5) /* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Decrease */ @@ -141,56 +141,59 @@ /* Certain Data Cache Writethrough Modes Fail for Vddint <= 0.9V */ #define ANOMALY_05000272 (1) /* Writes to Synchronous SDRAM Memory May Be Lost */ -#define ANOMALY_05000273 (1) +#define ANOMALY_05000273 (__SILICON_REVISION__ < 6) /* Timing Requirements Change for External Frame Sync PPI Modes with Non-Zero PPI_DELAY */ #define ANOMALY_05000276 (1) /* Writes to an I/O Data Register One SCLK Cycle after an Edge Is Detected May Clear Interrupt */ -#define ANOMALY_05000277 (1) +#define ANOMALY_05000277 (__SILICON_REVISION__ < 6) /* Disabling Peripherals with DMA Running May Cause DMA System Instability */ -#define ANOMALY_05000278 (1) +#define ANOMALY_05000278 (__SILICON_REVISION__ < 6) /* False Hardware Error Exception When ISR Context Is Not Restored */ -#define ANOMALY_05000281 (1) +#define ANOMALY_05000281 (__SILICON_REVISION__ < 6) /* Memory DMA Corruption with 32-Bit Data and Traffic Control */ -#define ANOMALY_05000282 (1) +#define ANOMALY_05000282 (__SILICON_REVISION__ < 6) /* System MMR Write Is Stalled Indefinitely When Killed in a Particular Stage */ -#define ANOMALY_05000283 (1) +#define ANOMALY_05000283 (__SILICON_REVISION__ < 6) /* SPORTs May Receive Bad Data If FIFOs Fill Up */ -#define ANOMALY_05000288 (1) +#define ANOMALY_05000288 (__SILICON_REVISION__ < 6) /* Memory-To-Memory DMA Source/Destination Descriptors Must Be in Same Memory Space */ -#define ANOMALY_05000301 (1) +#define ANOMALY_05000301 (__SILICON_REVISION__ < 6) /* SSYNCs After Writes To DMA MMR Registers May Not Be Handled Correctly */ #define ANOMALY_05000302 (__SILICON_REVISION__ < 5) /* New Feature: Additional Hysteresis on SPORT Input Pins (Not Available On Older Silicon) */ #define ANOMALY_05000305 (__SILICON_REVISION__ < 5) /* New Feature: Additional PPI Frame Sync Sampling Options (Not Available On Older Silicon) */ #define ANOMALY_05000306 (__SILICON_REVISION__ < 5) +/* SCKELOW Bit Does Not Maintain State Through Hibernate */ +#define ANOMALY_05000307 (1) /* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */ #define ANOMALY_05000310 (1) /* Erroneous Flag (GPIO) Pin Operations under Specific Sequences */ -#define ANOMALY_05000311 (1) +#define ANOMALY_05000311 (__SILICON_REVISION__ < 6) /* Errors When SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */ -#define ANOMALY_05000312 (1) +#define ANOMALY_05000312 (__SILICON_REVISION__ < 6) /* PPI Is Level-Sensitive on First Transfer */ -#define ANOMALY_05000313 (1) +#define ANOMALY_05000313 (__SILICON_REVISION__ < 6) /* Killed System MMR Write Completes Erroneously On Next System MMR Access */ -#define ANOMALY_05000315 (1) +#define ANOMALY_05000315 (__SILICON_REVISION__ < 6) /* Internal Voltage Regulator Values of 1.05V, 1.10V and 1.15V Not Allowed for LQFP Packages */ -#define ANOMALY_05000319 (ANOMALY_BF531 || ANOMALY_BF532) +#define ANOMALY_05000319 ((ANOMALY_BF531 || ANOMALY_BF532) && __SILICON_REVISION__ < 6) /* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ -#define ANOMALY_05000357 (1) +#define ANOMALY_05000357 (__SILICON_REVISION__ < 6) /* UART Break Signal Issues */ #define ANOMALY_05000363 (__SILICON_REVISION__ < 5) /* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */ #define ANOMALY_05000366 (1) /* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ -#define ANOMALY_05000371 (1) +#define ANOMALY_05000371 (__SILICON_REVISION__ < 6) /* PPI Does Not Start Properly In Specific Mode */ -#define ANOMALY_05000400 (__SILICON_REVISION__ >= 5) +#define ANOMALY_05000400 (__SILICON_REVISION__ == 5) /* SSYNC Stalls Processor when Executed from Non-Cacheable Memory */ -#define ANOMALY_05000402 (__SILICON_REVISION__ >= 5) +#define ANOMALY_05000402 (__SILICON_REVISION__ == 5) /* Level-Sensitive External GPIO Wakeups May Cause Indefinite Stall */ #define ANOMALY_05000403 (1) - +/* Speculative Fetches Can Cause Undesired External FIFO Operations */ +#define ANOMALY_05000416 (1) /* These anomalies have been "phased" out of analog.com anomaly sheets and are * here to show running on older silicon just isn't feasible. @@ -268,5 +271,7 @@ /* Anomalies that don't exist on this proc */ #define ANOMALY_05000266 (0) #define ANOMALY_05000323 (0) +#define ANOMALY_05000353 (1) +#define ANOMALY_05000386 (1) #endif diff --git a/arch/blackfin/mach-bf533/include/mach/bf533.h b/arch/blackfin/mach-bf533/include/mach/bf533.h index 12a416931991..dfc8c1ad2d7a 100644 --- a/arch/blackfin/mach-bf533/include/mach/bf533.h +++ b/arch/blackfin/mach-bf533/include/mach/bf533.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF533_H__ #define __MACH_BF533_H__ -#define SUPPORTED_REVID 2 - #define OFFSET_(x) ((x) & 0x0000FFFF) /*some misc defines*/ @@ -143,19 +141,19 @@ #ifdef CONFIG_BF533 #define CPU "BF533" -#define CPUID 0x027a5000 +#define CPUID 0x27a5 #endif #ifdef CONFIG_BF532 #define CPU "BF532" -#define CPUID 0x0275A000 +#define CPUID 0x275A #endif #ifdef CONFIG_BF531 #define CPU "BF531" -#define CPUID 0x027a5000 +#define CPUID 0x27a5 #endif + #ifndef CPU -#define CPU "UNKNOWN" -#define CPUID 0x0 +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF533_H__ */ diff --git a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h index ebf592b59aab..34ab0e4e4242 100644 --- a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h @@ -69,6 +69,8 @@ # endif #endif +#define BFIN_UART_TX_FIFO_SIZE 2 + struct bfin_serial_port { struct uart_port port; unsigned int old_status; @@ -83,7 +85,7 @@ struct bfin_serial_port { unsigned int rx_dma_channel; struct work_struct tx_dma_workqueue; #else -# if ANOMALY_05000230 +# if ANOMALY_05000363 unsigned int anomaly_threshold; # endif #endif @@ -111,7 +113,6 @@ static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) bfin_write16(uart->port.membase + OFFSET_LSR, -1); } -struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -142,7 +143,6 @@ struct bfin_serial_res bfin_serial_resource[] = { #define DRIVER_NAME "bfin-uart" -int nr_ports = BFIN_UART_NR_PORTS; static void bfin_serial_hw_init(struct bfin_serial_port *uart) { diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c index 8482d22321f3..dc5a30849c15 100644 --- a/arch/blackfin/mach-bf537/boards/stamp.c +++ b/arch/blackfin/mach-bf537/boards/stamp.c @@ -51,7 +51,6 @@ #include <asm/reboot.h> #include <asm/portmux.h> #include <asm/dpmc.h> -#include <linux/spi/ad7877.h> /* * Name the Board for the /proc/cpuinfo @@ -555,6 +554,7 @@ static struct bfin5xx_spi_chip spi_si3xxx_chip_info = { #endif #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) +#include <linux/spi/ad7877.h> static struct bfin5xx_spi_chip spi_ad7877_chip_info = { .enable_dma = 0, .bits_per_word = 16, @@ -575,6 +575,28 @@ static const struct ad7877_platform_data bfin_ad7877_ts_info = { }; #endif +#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE) +#include <linux/spi/ad7879.h> +static struct bfin5xx_spi_chip spi_ad7879_chip_info = { + .enable_dma = 0, + .bits_per_word = 16, +}; + +static const struct ad7879_platform_data bfin_ad7879_ts_info = { + .model = 7879, /* Model = AD7879 */ + .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */ + .pressure_max = 10000, + .pressure_min = 0, + .first_conversion_delay = 3, /* wait 512us before do a first conversion */ + .acquisition_time = 1, /* 4us acquisition time per sample */ + .median = 2, /* do 8 measurements */ + .averaging = 1, /* take the average of 4 middle samples */ + .pen_down_acc_interval = 255, /* 9.4 ms */ + .gpio_output = 1, /* configure AUX/VBAT/GPIO as GPIO output */ + .gpio_default = 1, /* During initialization set GPIO = HIGH */ +}; +#endif + #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) static struct bfin5xx_spi_chip spidev_chip_info = { .enable_dma = 0, @@ -582,6 +604,13 @@ static struct bfin5xx_spi_chip spidev_chip_info = { }; #endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) +static struct bfin5xx_spi_chip lq035q1_spi_chip_info = { + .enable_dma = 0, + .bits_per_word = 8, +}; +#endif + #if defined(CONFIG_MTD_DATAFLASH) \ || defined(CONFIG_MTD_DATAFLASH_MODULE) @@ -721,6 +750,18 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .controller_data = &spi_ad7877_chip_info, }, #endif +#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE) + { + .modalias = "ad7879", + .platform_data = &bfin_ad7879_ts_info, + .irq = IRQ_PF7, + .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + .controller_data = &spi_ad7879_chip_info, + .mode = SPI_CPHA | SPI_CPOL, + }, +#endif #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) { .modalias = "spidev", @@ -730,6 +771,16 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .controller_data = &spidev_chip_info, }, #endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) + { + .modalias = "bfin-lq035q1-spi", + .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 2, + .controller_data = &lq035q1_spi_chip_info, + .mode = SPI_CPHA | SPI_CPOL, + }, +#endif }; #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) @@ -777,6 +828,34 @@ static struct platform_device bfin_fb_adv7393_device = { }; #endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) +#include <asm/bfin-lq035q1.h> + +static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = { + .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB, + .use_bl = 0, /* let something else control the LCD Blacklight */ + .gpio_bl = GPIO_PF7, +}; + +static struct resource bfin_lq035q1_resources[] = { + { + .start = IRQ_PPI_ERROR, + .end = IRQ_PPI_ERROR, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_lq035q1_device = { + .name = "bfin-lq035q1", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_lq035q1_resources), + .resource = bfin_lq035q1_resources, + .dev = { + .platform_data = &bfin_lq035q1_data, + }, +}; +#endif + #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) static struct resource bfin_uart_resources[] = { #ifdef CONFIG_SERIAL_BFIN_UART0 @@ -997,6 +1076,10 @@ static struct platform_device *stamp_devices[] __initdata = { &bfin_fb_device, #endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) + &bfin_lq035q1_device, +#endif + #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE) &bfin_fb_adv7393_device, #endif diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S index 12eb5cc571d0..559a7eef7a38 100644 --- a/arch/blackfin/mach-bf537/head.S +++ b/arch/blackfin/mach-bf537/head.S @@ -87,6 +87,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ diff --git a/arch/blackfin/mach-bf537/include/mach/anomaly.h b/arch/blackfin/mach-bf537/include/mach/anomaly.h index 8460ab9c324f..c68992494f9e 100644 --- a/arch/blackfin/mach-bf537/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf537/include/mach/anomaly.h @@ -158,6 +158,8 @@ #define ANOMALY_05000266 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000323 (0) +#define ANOMALY_05000353 (1) #define ANOMALY_05000363 (0) +#define ANOMALY_05000386 (1) #endif diff --git a/arch/blackfin/mach-bf537/include/mach/bf537.h b/arch/blackfin/mach-bf537/include/mach/bf537.h index cfe2a221112e..24d5c9d42323 100644 --- a/arch/blackfin/mach-bf537/include/mach/bf537.h +++ b/arch/blackfin/mach-bf537/include/mach/bf537.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF537_H__ #define __MACH_BF537_H__ -#define SUPPORTED_REVID 2 - /* Masks for generic ERROR IRQ demultiplexing used in int-priority-sc.c */ #define SPI_ERR_MASK (TXCOL | RBSY | MODF | TXE) /* SPI_STAT */ @@ -123,19 +121,19 @@ #ifdef CONFIG_BF537 #define CPU "BF537" -#define CPUID 0x027c8000 +#define CPUID 0x27c8 #endif #ifdef CONFIG_BF536 #define CPU "BF536" -#define CPUID 0x027c8000 +#define CPUID 0x27c8 #endif #ifdef CONFIG_BF534 #define CPU "BF534" -#define CPUID 0x027c6000 +#define CPUID 0x27c6 #endif + #ifndef CPU -#define CPU "UNKNOWN" -#define CPUID 0x0 +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF537_H__ */ diff --git a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h index 1bf56ffa22f9..b3f87e1d16a2 100644 --- a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h @@ -78,6 +78,9 @@ # define CONFIG_UART1_RTS_PIN -1 # endif #endif + +#define BFIN_UART_TX_FIFO_SIZE 2 + /* * The pin configuration is different from schematic */ @@ -119,7 +122,6 @@ static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) bfin_write16(uart->port.membase + OFFSET_LSR, -1); } -struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -164,8 +166,6 @@ struct bfin_serial_res bfin_serial_resource[] = { #endif }; -int nr_ports = ARRAY_SIZE(bfin_serial_resource); - #define DRIVER_NAME "bfin-uart" static void bfin_serial_hw_init(struct bfin_serial_port *uart) diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c index ce934ee174e0..24192aaa9275 100644 --- a/arch/blackfin/mach-bf548/boards/cm_bf548.c +++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c @@ -36,11 +36,8 @@ #include <linux/spi/flash.h> #include <linux/irq.h> #include <linux/interrupt.h> -#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) #include <linux/usb/musb.h> -#endif #include <asm/bfin5xx_spi.h> -#include <asm/cplb.h> #include <asm/dma.h> #include <asm/gpio.h> #include <asm/nand.h> @@ -175,6 +172,7 @@ static struct resource bfin_uart_resources[] = { { .start = 0xFFC03100, .end = 0xFFC031FF, + .flags = IORESOURCE_MEM, }, #endif }; @@ -268,6 +266,16 @@ static struct resource musb_resources[] = { }, }; +static struct musb_hdrc_config musb_config = { + .multipoint = 0, + .dyn_fifo = 0, + .soft_con = 1, + .dma = 1, + .num_eps = 7, + .dma_channels = 7, + .gpio_vrsel = GPIO_PH6, +}; + static struct musb_hdrc_platform_data musb_plat = { #if defined(CONFIG_USB_MUSB_OTG) .mode = MUSB_OTG, @@ -276,7 +284,7 @@ static struct musb_hdrc_platform_data musb_plat = { #elif defined(CONFIG_USB_GADGET_MUSB_HDRC) .mode = MUSB_PERIPHERAL, #endif - .multipoint = 0, + .config = &musb_config, }; static u64 musb_dmamask = ~(u32)0; @@ -321,12 +329,12 @@ static struct mtd_partition partition_info[] = { { .name = "linux kernel(nand)", .offset = 0, - .size = 4 * SIZE_1M, + .size = 4 * 1024 * 1024, }, { .name = "file system(nand)", - .offset = 4 * SIZE_1M, - .size = (256 - 4) * SIZE_1M, + .offset = 4 * 1024 * 1024, + .size = (256 - 4) * 1024 * 1024, }, }; diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c index 39357693046d..5288187a3ace 100644 --- a/arch/blackfin/mach-bf548/boards/ezkit.c +++ b/arch/blackfin/mach-bf548/boards/ezkit.c @@ -38,11 +38,8 @@ #include <linux/irq.h> #include <linux/i2c.h> #include <linux/interrupt.h> -#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) #include <linux/usb/musb.h> -#endif #include <asm/bfin5xx_spi.h> -#include <asm/cplb.h> #include <asm/dma.h> #include <asm/gpio.h> #include <asm/nand.h> @@ -186,6 +183,37 @@ static struct platform_device bf54x_kpad_device = { }; #endif +#if defined(CONFIG_JOYSTICK_BFIN_ROTARY) || defined(CONFIG_JOYSTICK_BFIN_ROTARY_MODULE) +#include <asm/bfin_rotary.h> + +static struct bfin_rotary_platform_data bfin_rotary_data = { + /*.rotary_up_key = KEY_UP,*/ + /*.rotary_down_key = KEY_DOWN,*/ + .rotary_rel_code = REL_WHEEL, + .rotary_button_key = KEY_ENTER, + .debounce = 10, /* 0..17 */ + .mode = ROT_QUAD_ENC | ROT_DEBE, +}; + +static struct resource bfin_rotary_resources[] = { + { + .start = IRQ_CNT, + .end = IRQ_CNT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_rotary_device = { + .name = "bfin-rotary", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_rotary_resources), + .resource = bfin_rotary_resources, + .dev = { + .platform_data = &bfin_rotary_data, + }, +}; +#endif + #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) static struct platform_device rtc_device = { .name = "rtc-bfin", @@ -314,6 +342,16 @@ static struct resource musb_resources[] = { }, }; +static struct musb_hdrc_config musb_config = { + .multipoint = 0, + .dyn_fifo = 0, + .soft_con = 1, + .dma = 1, + .num_eps = 7, + .dma_channels = 7, + .gpio_vrsel = GPIO_PE7, +}; + static struct musb_hdrc_platform_data musb_plat = { #if defined(CONFIG_USB_MUSB_OTG) .mode = MUSB_OTG, @@ -322,7 +360,7 @@ static struct musb_hdrc_platform_data musb_plat = { #elif defined(CONFIG_USB_GADGET_MUSB_HDRC) .mode = MUSB_PERIPHERAL, #endif - .multipoint = 0, + .config = &musb_config, }; static u64 musb_dmamask = ~(u32)0; @@ -367,7 +405,7 @@ static struct mtd_partition partition_info[] = { { .name = "linux kernel(nand)", .offset = 0, - .size = 4 * SIZE_1M, + .size = 4 * 1024 * 1024, }, { .name = "file system(nand)", @@ -424,7 +462,7 @@ static struct mtd_partition ezkit_partitions[] = { .offset = 0, }, { .name = "linux kernel(nor)", - .size = 0x1C0000, + .size = 0x400000, .offset = MTDPART_OFS_APPEND, }, { .name = "file system(nor)", @@ -441,7 +479,7 @@ static struct physmap_flash_data ezkit_flash_data = { static struct resource ezkit_flash_resource = { .start = 0x20000000, - .end = 0x20ffffff, + .end = 0x21ffffff, .flags = IORESOURCE_MEM, }; @@ -551,7 +589,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { { .modalias = "ad7877", .platform_data = &bfin_ad7877_ts_info, - .irq = IRQ_PJ11, + .irq = IRQ_PJ11, /* newer boards (Rev 1.4+) use IRQ_PB4 */ .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, .chip_select = 2, @@ -810,6 +848,10 @@ static struct platform_device *ezkit_devices[] __initdata = { &bf54x_kpad_device, #endif +#if defined(CONFIG_JOYSTICK_BFIN_ROTARY) || defined(CONFIG_JOYSTICK_BFIN_ROTARY_MODULE) + &bfin_rotary_device, +#endif + #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) &i2c_bfin_twi0_device, #if !defined(CONFIG_BF542) diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S index 4d5cfeacb123..051b05c88027 100644 --- a/arch/blackfin/mach-bf548/head.S +++ b/arch/blackfin/mach-bf548/head.S @@ -73,25 +73,19 @@ ENTRY(_start_dma_code) w[p0] = r0.l; ssync; -#if defined(CONFIG_BF54x) + /* enable self refresh via SRREQ */ P2.H = hi(EBIU_RSTCTL); P2.L = lo(EBIU_RSTCTL); R0 = [P2]; BITSET (R0, 3); -#else - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITSET (R0, 24); -#endif [P2] = R0; SSYNC; -#if defined(CONFIG_BF54x) + + /* wait for SRACK bit to be set */ .LSRR_MODE: R0 = [P2]; CC = BITTST(R0, 4); if !CC JUMP .LSRR_MODE; -#endif r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */ r0 = r0 << 9; /* Shift it over, */ @@ -100,6 +94,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ @@ -123,7 +120,7 @@ ENTRY(_start_dma_code) w[p0] = r0.l; ssync; -#if defined(CONFIG_BF54x) + /* disable self refresh by clearing SRREQ */ P2.H = hi(EBIU_RSTCTL); P2.L = lo(EBIU_RSTCTL); R0 = [P2]; @@ -155,41 +152,6 @@ ENTRY(_start_dma_code) r0.h = hi(mem_DDRCTL2); [p0] = r0; ssync; -#else - p0.l = lo(EBIU_SDRRC); - p0.h = hi(EBIU_SDRRC); - r0 = mem_SDRRC; - w[p0] = r0.l; - ssync; - - p0.l = LO(EBIU_SDBCTL); - p0.h = HI(EBIU_SDBCTL); /* SDRAM Memory Bank Control Register */ - r0 = mem_SDBCTL; - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITCLR (R0, 24); - p0.h = hi(EBIU_SDSTAT); - p0.l = lo(EBIU_SDSTAT); - r2.l = w[p0]; - cc = bittst(r2,3); - if !cc jump .Lskip; - NOP; - BITSET (R0, 23); -.Lskip: - [P2] = R0; - SSYNC; - - R0.L = lo(mem_SDGCTL); - R0.H = hi(mem_SDGCTL); - R1 = [p2]; - R1 = R1 | R0; - [P2] = R1; - SSYNC; -#endif RTS; ENDPROC(_start_dma_code) diff --git a/arch/blackfin/mach-bf548/include/mach/anomaly.h b/arch/blackfin/mach-bf548/include/mach/anomaly.h index 3ad59655881a..816b09278f62 100644 --- a/arch/blackfin/mach-bf548/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf548/include/mach/anomaly.h @@ -2,18 +2,18 @@ * File: include/asm-blackfin/mach-bf548/anomaly.h * Bugs: Enter bugs at http://blackfin.uclinux.org/ * - * Copyright (C) 2004-2007 Analog Devices Inc. + * Copyright (C) 2004-2008 Analog Devices Inc. * Licensed under the GPL-2 or later. */ /* This file shoule be up to date with: - * - Revision E, 11/28/2007; ADSP-BF542/BF544/BF547/BF548/BF549 Blackfin Processor Anomaly List + * - Revision G, 08/07/2008; ADSP-BF542/BF544/BF547/BF548/BF549 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ #define _MACH_ANOMALY_H_ -/* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot 2 Not Supported */ +/* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot2 Not Supported */ #define ANOMALY_05000074 (1) /* DMA_RUN Bit Is Not Valid after a Peripheral Receive Channel DMA Stops */ #define ANOMALY_05000119 (1) @@ -36,14 +36,14 @@ /* TWI Slave Boot Mode Is Not Functional */ #define ANOMALY_05000324 (__SILICON_REVISION__ < 1) /* External FIFO Boot Mode Is Not Functional */ -#define ANOMALY_05000325 (__SILICON_REVISION__ < 1) +#define ANOMALY_05000325 (__SILICON_REVISION__ < 2) /* Data Lost When Core and DMA Accesses Are Made to the USB FIFO Simultaneously */ #define ANOMALY_05000327 (__SILICON_REVISION__ < 1) /* Incorrect Access of OTP_STATUS During otp_write() Function */ #define ANOMALY_05000328 (__SILICON_REVISION__ < 1) /* Synchronous Burst Flash Boot Mode Is Not Functional */ #define ANOMALY_05000329 (__SILICON_REVISION__ < 1) -/* Host DMA Boot Mode Is Not Functional */ +/* Host DMA Boot Modes Are Not Functional */ #define ANOMALY_05000330 (__SILICON_REVISION__ < 1) /* Inadequate Timing Margins on DDR DQS to DQ and DQM Skew */ #define ANOMALY_05000334 (__SILICON_REVISION__ < 1) @@ -61,26 +61,102 @@ #define ANOMALY_05000344 (__SILICON_REVISION__ < 1) /* USB Calibration Value Is Not Intialized */ #define ANOMALY_05000346 (__SILICON_REVISION__ < 1) -/* Boot ROM Kernel Incorrectly Alters Reset Value of USB Register */ +/* USB Calibration Value to use */ +#define ANOMALY_05000346_value 0x5411 +/* Preboot Routine Incorrectly Alters Reset Value of USB Register */ #define ANOMALY_05000347 (__SILICON_REVISION__ < 1) /* Data Lost when Core Reads SDH Data FIFO */ #define ANOMALY_05000349 (__SILICON_REVISION__ < 1) /* PLL Status Register Is Inaccurate */ #define ANOMALY_05000351 (__SILICON_REVISION__ < 1) +/* bfrom_SysControl() Firmware Function Performs Improper System Reset */ +#define ANOMALY_05000353 (__SILICON_REVISION__ < 2) +/* Regulator Programming Blocked when Hibernate Wakeup Source Remains Active */ +#define ANOMALY_05000355 (__SILICON_REVISION__ < 1) +/* System Stalled During A Core Access To AMC While A Core Access To NFC FIFO Is Required */ +#define ANOMALY_05000356 (__SILICON_REVISION__ < 1) /* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ #define ANOMALY_05000357 (1) /* External Memory Read Access Hangs Core With PLL Bypass */ #define ANOMALY_05000360 (1) /* DMAs that Go Urgent during Tight Core Writes to External Memory Are Blocked */ #define ANOMALY_05000365 (1) +/* WURESET Bit In SYSCR Register Does Not Properly Indicate Hibernate Wake-Up */ +#define ANOMALY_05000367 (__SILICON_REVISION__ < 1) /* Addressing Conflict between Boot ROM and Asynchronous Memory */ #define ANOMALY_05000369 (1) +/* Default PLL MSEL and SSEL Settings Can Cause 400MHz Product To Violate Specifications */ +#define ANOMALY_05000370 (__SILICON_REVISION__ < 1) /* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ -#define ANOMALY_05000371 (1) +#define ANOMALY_05000371 (__SILICON_REVISION__ < 2) +/* USB DP/DM Data Pins May Lose State When Entering Hibernate */ +#define ANOMALY_05000372 (__SILICON_REVISION__ < 1) /* Mobile DDR Operation Not Functional */ #define ANOMALY_05000377 (1) /* Security/Authentication Speedpath Causes Authentication To Fail To Initiate */ -#define ANOMALY_05000378 (1) +#define ANOMALY_05000378 (__SILICON_REVISION__ < 2) +/* 16-Bit NAND FLASH Boot Mode Is Not Functional */ +#define ANOMALY_05000379 (1) +/* 8-Bit NAND Flash Boot Mode Not Functional */ +#define ANOMALY_05000382 (__SILICON_REVISION__ < 1) +/* Some ATAPI Modes Are Not Functional */ +#define ANOMALY_05000383 (1) +/* Boot from OTP Memory Not Functional */ +#define ANOMALY_05000385 (__SILICON_REVISION__ < 1) +/* bfrom_SysControl() Firmware Routine Not Functional */ +#define ANOMALY_05000386 (__SILICON_REVISION__ < 1) +/* Programmable Preboot Settings Not Functional */ +#define ANOMALY_05000387 (__SILICON_REVISION__ < 1) +/* CRC32 Checksum Support Not Functional */ +#define ANOMALY_05000388 (__SILICON_REVISION__ < 1) +/* Reset Vector Must Not Be in SDRAM Memory Space */ +#define ANOMALY_05000389 (__SILICON_REVISION__ < 1) +/* Changed Meaning of BCODE Field in SYSCR Register */ +#define ANOMALY_05000390 (__SILICON_REVISION__ < 1) +/* Repeated Boot from Page-Mode or Burst-Mode Flash Memory May Fail */ +#define ANOMALY_05000391 (__SILICON_REVISION__ < 1) +/* pTempCurrent Not Present in ADI_BOOT_DATA Structure */ +#define ANOMALY_05000392 (__SILICON_REVISION__ < 1) +/* Deprecated Value of dTempByteCount in ADI_BOOT_DATA Structure */ +#define ANOMALY_05000393 (__SILICON_REVISION__ < 1) +/* Log Buffer Not Functional */ +#define ANOMALY_05000394 (__SILICON_REVISION__ < 1) +/* Hook Routine Not Functional */ +#define ANOMALY_05000395 (__SILICON_REVISION__ < 1) +/* Header Indirect Bit Not Functional */ +#define ANOMALY_05000396 (__SILICON_REVISION__ < 1) +/* BK_ONES, BK_ZEROS, and BK_DATECODE Constants Not Functional */ +#define ANOMALY_05000397 (__SILICON_REVISION__ < 1) +/* Lockbox SESR Disallows Certain User Interrupts */ +#define ANOMALY_05000404 (__SILICON_REVISION__ < 2) +/* Lockbox SESR Firmware Does Not Save/Restore Full Context */ +#define ANOMALY_05000405 (1) +/* Lockbox SESR Argument Checking Does Not Check L2 Memory Protection Range */ +#define ANOMALY_05000406 (__SILICON_REVISION__ < 2) +/* Lockbox SESR Firmware Arguments Are Not Retained After First Initialization */ +#define ANOMALY_05000407 (__SILICON_REVISION__ < 2) +/* Lockbox Firmware Memory Cleanup Routine Does not Clear Registers */ +#define ANOMALY_05000408 (1) +/* Lockbox firmware leaves MDMA0 channel enabled */ +#define ANOMALY_05000409 (__SILICON_REVISION__ < 2) +/* bfrom_SysControl() Firmware Function Cannot be Used to Enter Power Saving Modes */ +#define ANOMALY_05000411 (__SILICON_REVISION__ < 2) +/* NAND Boot Mode Not Compatible With Some NAND Flash Devices */ +#define ANOMALY_05000413 (__SILICON_REVISION__ < 2) +/* OTP_CHECK_FOR_PREV_WRITE Bit is Not Functional in bfrom_OtpWrite() API */ +#define ANOMALY_05000414 (__SILICON_REVISION__ < 2) +/* Speculative Fetches Can Cause Undesired External FIFO Operations */ +#define ANOMALY_05000416 (1) +/* Multichannel SPORT Channel Misalignment Under Specific Configuration */ +#define ANOMALY_05000425 (1) +/* Speculative Fetches of Indirect-Pointer Instructions Can Cause Spurious Hardware Errors */ +#define ANOMALY_05000426 (1) +/* CORE_EPPI_PRIO bit and SYS_EPPI_PRIO bit in the HMDMA1_CONTROL register are not functional */ +#define ANOMALY_05000427 (__SILICON_REVISION__ < 2) +/* WB_EDGE Bit in NFC_IRQSTAT Incorrectly Behaves as a Buffer Status Bit Instead of an IRQ Status Bit */ +#define ANOMALY_05000429 (__SILICON_REVISION__ < 2) +/* Software System Reset Corrupts PLL_LOCKCNT Register */ +#define ANOMALY_05000430 (__SILICON_REVISION__ >= 2) /* Anomalies that don't exist on this proc */ #define ANOMALY_05000125 (0) @@ -93,6 +169,7 @@ #define ANOMALY_05000263 (0) #define ANOMALY_05000266 (0) #define ANOMALY_05000273 (0) +#define ANOMALY_05000307 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000323 (0) #define ANOMALY_05000363 (0) diff --git a/arch/blackfin/mach-bf548/include/mach/bf548.h b/arch/blackfin/mach-bf548/include/mach/bf548.h index e748588e8930..49f9b403d458 100644 --- a/arch/blackfin/mach-bf548/include/mach/bf548.h +++ b/arch/blackfin/mach-bf548/include/mach/bf548.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF548_H__ #define __MACH_BF548_H__ -#define SUPPORTED_REVID 0 - #define OFFSET_(x) ((x) & 0x0000FFFF) /*some misc defines*/ @@ -108,20 +106,23 @@ #if defined(CONFIG_BF542) # define CPU "BF542" -# define CPUID 0x027c8000 +# define CPUID 0x27de #elif defined(CONFIG_BF544) -# define CPU "BF544" -# define CPUID 0x027c8000 +# define CPU "BF544" +# define CPUID 0x27de #elif defined(CONFIG_BF547) -# define CPU "BF547" +# define CPU "BF547" +# define CPUID 0x27de #elif defined(CONFIG_BF548) -# define CPU "BF548" -# define CPUID 0x027c6000 +# define CPU "BF548" +# define CPUID 0x27de #elif defined(CONFIG_BF549) -# define CPU "BF549" -#else -# define CPU "UNKNOWN" -# define CPUID 0x0 +# define CPU "BF549" +# define CPUID 0x27de +#endif + +#ifndef CPU +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF48_H__ */ diff --git a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h index 5e29446a8e03..e4cf35e7ab9f 100644 --- a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h @@ -82,6 +82,9 @@ # define CONFIG_UART1_RTS_PIN -1 # endif #endif + +#define BFIN_UART_TX_FIFO_SIZE 2 + /* * The pin configuration is different from schematic */ @@ -105,7 +108,6 @@ struct bfin_serial_port { #endif }; -struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -170,8 +172,6 @@ struct bfin_serial_res bfin_serial_resource[] = { #endif }; -int nr_ports = ARRAY_SIZE(bfin_serial_resource); - #define DRIVER_NAME "bfin-uart" static void bfin_serial_hw_init(struct bfin_serial_port *uart) diff --git a/arch/blackfin/mach-bf548/include/mach/mem_map.h b/arch/blackfin/mach-bf548/include/mach/mem_map.h index f99f47bc3a07..a2228428dc06 100644 --- a/arch/blackfin/mach-bf548/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf548/include/mach/mem_map.h @@ -94,13 +94,13 @@ #endif /*CONFIG_BFIN_DCACHE*/ /* Level 2 Memory */ -#if !defined(CONFIG_BF542) -# define L2_START 0xFEB00000 -# if defined(CONFIG_BF544) -# define L2_LENGTH 0x10000 -# else -# define L2_LENGTH 0x20000 -# endif +#define L2_START 0xFEB00000 +#if defined(CONFIG_BF542) +# define L2_LENGTH 0 +#elif defined(CONFIG_BF544) +# define L2_LENGTH 0x10000 +#else +# define L2_LENGTH 0x20000 #endif /* Scratch Pad Memory */ diff --git a/arch/blackfin/mach-bf561/head.S b/arch/blackfin/mach-bf561/head.S index 75ea6a905829..0b28137b3dea 100644 --- a/arch/blackfin/mach-bf561/head.S +++ b/arch/blackfin/mach-bf561/head.S @@ -77,6 +77,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ diff --git a/arch/blackfin/mach-bf561/include/mach/anomaly.h b/arch/blackfin/mach-bf561/include/mach/anomaly.h index 5c5d7d7d695f..22990df04ae1 100644 --- a/arch/blackfin/mach-bf561/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf561/include/mach/anomaly.h @@ -270,5 +270,7 @@ #define ANOMALY_05000183 (0) #define ANOMALY_05000273 (0) #define ANOMALY_05000311 (0) +#define ANOMALY_05000353 (1) +#define ANOMALY_05000386 (1) #endif diff --git a/arch/blackfin/mach-bf561/include/mach/bf561.h b/arch/blackfin/mach-bf561/include/mach/bf561.h index 3ef9e5f36136..18b1b3a223ab 100644 --- a/arch/blackfin/mach-bf561/include/mach/bf561.h +++ b/arch/blackfin/mach-bf561/include/mach/bf561.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF561_H__ #define __MACH_BF561_H__ -#define SUPPORTED_REVID 0x3 - #define OFFSET_(x) ((x) & 0x0000FFFF) /*some misc defines*/ @@ -213,11 +211,11 @@ #ifdef CONFIG_BF561 #define CPU "BF561" -#define CPUID 0x027bb000 +#define CPUID 0x27bb #endif + #ifndef CPU -#define CPU "UNKNOWN" -#define CPUID 0x0 +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF561_H__ */ diff --git a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h index 8aa02780e642..f5327264357c 100644 --- a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h @@ -69,6 +69,8 @@ # endif #endif +#define BFIN_UART_TX_FIFO_SIZE 2 + struct bfin_serial_port { struct uart_port port; unsigned int old_status; @@ -83,7 +85,7 @@ struct bfin_serial_port { unsigned int rx_dma_channel; struct work_struct tx_dma_workqueue; #else -# if ANOMALY_05000230 +# if ANOMALY_05000363 unsigned int anomaly_threshold; # endif #endif @@ -111,7 +113,6 @@ static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) bfin_write16(uart->port.membase + OFFSET_LSR, -1); } -struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -142,7 +143,6 @@ struct bfin_serial_res bfin_serial_resource[] = { #define DRIVER_NAME "bfin-uart" -int nr_ports = BFIN_UART_NR_PORTS; static void bfin_serial_hw_init(struct bfin_serial_port *uart) { diff --git a/arch/blackfin/mach-bf561/include/mach/mem_map.h b/arch/blackfin/mach-bf561/include/mach/mem_map.h index c26d8486cc4b..f1d4c0637bd2 100644 --- a/arch/blackfin/mach-bf561/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf561/include/mach/mem_map.h @@ -35,9 +35,16 @@ /* Memory Map for ADSP-BF561 processors */ #ifdef CONFIG_BF561 -#define L1_CODE_START 0xFFA00000 -#define L1_DATA_A_START 0xFF800000 -#define L1_DATA_B_START 0xFF900000 +#define COREA_L1_CODE_START 0xFFA00000 +#define COREA_L1_DATA_A_START 0xFF800000 +#define COREA_L1_DATA_B_START 0xFF900000 +#define COREB_L1_CODE_START 0xFF600000 +#define COREB_L1_DATA_A_START 0xFF400000 +#define COREB_L1_DATA_B_START 0xFF500000 + +#define L1_CODE_START COREA_L1_CODE_START +#define L1_DATA_A_START COREA_L1_DATA_A_START +#define L1_DATA_B_START COREA_L1_DATA_B_START #define L1_CODE_LENGTH 0x4000 @@ -72,7 +79,10 @@ /* Scratch Pad Memory */ -#define L1_SCRATCH_START 0xFFB00000 +#define COREA_L1_SCRATCH_START 0xFFB00000 +#define COREB_L1_SCRATCH_START 0xFF700000 + +#define L1_SCRATCH_START COREA_L1_SCRATCH_START #define L1_SCRATCH_LENGTH 0x1000 #endif /* _MEM_MAP_533_H_ */ diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 847c172a99eb..c13fa8da28c7 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -129,6 +129,18 @@ ENTRY(_ex_icplb_miss) #else call __cplb_hdr; #endif + +#ifdef CONFIG_DEBUG_DOUBLEFAULT + /* While we were processing this, did we double fault? */ + r7 = SEQSTAT; /* reason code is in bit 5:0 */ + r6.l = lo(SEQSTAT_EXCAUSE); + r6.h = hi(SEQSTAT_EXCAUSE); + r7 = r7 & r6; + r6 = 0x25; + CC = R7 == R6; + if CC JUMP _double_fault; +#endif + DEBUG_HWTRACE_RESTORE(p5, r7) RESTORE_ALL_SYS SP = EX_SCRATCH_REG; @@ -136,11 +148,8 @@ ENTRY(_ex_icplb_miss) ENDPROC(_ex_icplb_miss) ENTRY(_ex_syscall) - (R7:6,P5:4) = [sp++]; - ASTAT = [sp++]; raise 15; /* invoked by TRAP #0, for sys call */ - sp = EX_SCRATCH_REG; - rtx + jump.s _bfin_return_from_exception; ENDPROC(_ex_syscall) ENTRY(_ex_soft_bp) @@ -181,8 +190,8 @@ ENTRY(_ex_single_step) if cc jump .Lfind_priority_done; jump.s .Lfind_priority_start; .Lfind_priority_done: - p4.l = _debugger_step; - p4.h = _debugger_step; + p4.l = _kgdb_single_step; + p4.h = _kgdb_single_step; r6 = [p4]; cc = r6 == 0; if cc jump .Ldo_single_step; @@ -250,6 +259,29 @@ ENTRY(_bfin_return_from_exception) R7=LC1; LC1=R7; #endif + +#ifdef CONFIG_DEBUG_DOUBLEFAULT + /* While we were processing the current exception, + * did we cause another, and double fault? + */ + r7 = SEQSTAT; /* reason code is in bit 5:0 */ + r6.l = lo(SEQSTAT_EXCAUSE); + r6.h = hi(SEQSTAT_EXCAUSE); + r7 = r7 & r6; + r6 = 0x25; + CC = R7 == R6; + if CC JUMP _double_fault; + + /* Did we cause a HW error? */ + p5.l = lo(ILAT); + p5.h = hi(ILAT); + r6 = [p5]; + r7 = 0x20; /* Did I just cause anther HW error? */ + r7 = r7 & r1; + CC = R7 == R6; + if CC JUMP _double_fault; +#endif + (R7:6,P5:4) = [sp++]; ASTAT = [sp++]; sp = EX_SCRATCH_REG; @@ -292,6 +324,14 @@ ENTRY(_ex_trap_c) [p4] = p5; csync; +#ifndef CONFIG_DEBUG_DOUBLEFAULT + /* + * Save these registers, as they are only valid in exception context + * (where we are now - as soon as we defer to IRQ5, they can change) + * DCPLB_STATUS and ICPLB_STATUS are also only valid in EVT3, + * but they are not very interesting, so don't save them + */ + p4.l = lo(DCPLB_FAULT_ADDR); p4.h = hi(DCPLB_FAULT_ADDR); r7 = [p4]; @@ -304,12 +344,11 @@ ENTRY(_ex_trap_c) p5.l = _saved_icplb_fault_addr; [p5] = r7; - p4.l = _excpt_saved_stuff; - p4.h = _excpt_saved_stuff; - r6 = retx; + p4.l = _saved_retx; + p4.h = _saved_retx; [p4] = r6; - +#endif r6 = SYSCFG; [p4 + 4] = r6; BITCLR(r6, 0); @@ -327,59 +366,56 @@ ENTRY(_ex_trap_c) r6 = 0x3f; sti r6; - (R7:6,P5:4) = [sp++]; - ASTAT = [sp++]; - SP = EX_SCRATCH_REG; raise 5; - rtx; + jump.s _bfin_return_from_exception; ENDPROC(_ex_trap_c) /* We just realized we got an exception, while we were processing a different * exception. This is a unrecoverable event, so crash */ ENTRY(_double_fault) - /* Turn caches & protection off, to ensure we don't get any more - * double exceptions - */ - - P4.L = LO(IMEM_CONTROL); - P4.H = HI(IMEM_CONTROL); - - R5 = [P4]; /* Control Register*/ - BITCLR(R5,ENICPLB_P); - SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */ - .align 8; - [P4] = R5; - SSYNC; - - P4.L = LO(DMEM_CONTROL); - P4.H = HI(DMEM_CONTROL); - R5 = [P4]; - BITCLR(R5,ENDCPLB_P); - SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */ - .align 8; - [P4] = R5; - SSYNC; - - /* Fix up the stack */ - (R7:6,P5:4) = [sp++]; - ASTAT = [sp++]; - SP = EX_SCRATCH_REG; - - /* We should be out of the exception stack, and back down into - * kernel or user space stack - */ - SAVE_ALL_SYS + /* Turn caches & protection off, to ensure we don't get any more + * double exceptions + */ + + P4.L = LO(IMEM_CONTROL); + P4.H = HI(IMEM_CONTROL); + + R5 = [P4]; /* Control Register*/ + BITCLR(R5,ENICPLB_P); + SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */ + .align 8; + [P4] = R5; + SSYNC; + + P4.L = LO(DMEM_CONTROL); + P4.H = HI(DMEM_CONTROL); + R5 = [P4]; + BITCLR(R5,ENDCPLB_P); + SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */ + .align 8; + [P4] = R5; + SSYNC; + + /* Fix up the stack */ + (R7:6,P5:4) = [sp++]; + ASTAT = [sp++]; + SP = EX_SCRATCH_REG; + + /* We should be out of the exception stack, and back down into + * kernel or user space stack + */ + SAVE_ALL_SYS /* The dumping functions expect the return address in the RETI * slot. */ r6 = retx; [sp + PT_PC] = r6; - r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */ - SP += -12; - call _double_fault_c; - SP += 12; + r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */ + SP += -12; + call _double_fault_c; + SP += 12; .L_double_fault_panic: JUMP .L_double_fault_panic @@ -388,8 +424,8 @@ ENDPROC(_double_fault) ENTRY(_exception_to_level5) SAVE_ALL_SYS - p4.l = _excpt_saved_stuff; - p4.h = _excpt_saved_stuff; + p4.l = _saved_retx; + p4.h = _saved_retx; r6 = [p4]; [sp + PT_PC] = r6; @@ -420,6 +456,17 @@ ENTRY(_exception_to_level5) call _trap_c; SP += 12; +#ifdef CONFIG_DEBUG_DOUBLEFAULT + /* Grab ILAT */ + p2.l = lo(ILAT); + p2.h = hi(ILAT); + r0 = [p2]; + r1 = 0x20; /* Did I just cause anther HW error? */ + r0 = r0 & r1; + CC = R0 == R1; + if CC JUMP _double_fault; +#endif + call _ret_from_exception; RESTORE_ALL_SYS rti; @@ -436,7 +483,48 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/ /* Try to deal with syscalls quickly. */ [--sp] = ASTAT; [--sp] = (R7:6,P5:4); + +#if ANOMALY_05000283 || ANOMALY_05000315 + cc = r7 == r7; + p5.h = HI(CHIPID); + p5.l = LO(CHIPID); + if cc jump 1f; + r7.l = W[p5]; +1: +#endif + +#ifdef CONFIG_DEBUG_DOUBLEFAULT + /* + * Save these registers, as they are only valid in exception context + * (where we are now - as soon as we defer to IRQ5, they can change) + * DCPLB_STATUS and ICPLB_STATUS are also only valid in EVT3, + * but they are not very interesting, so don't save them + */ + + p4.l = lo(DCPLB_FAULT_ADDR); + p4.h = hi(DCPLB_FAULT_ADDR); + r7 = [p4]; + p5.h = _saved_dcplb_fault_addr; + p5.l = _saved_dcplb_fault_addr; + [p5] = r7; + + r7 = [p4 + (ICPLB_FAULT_ADDR - DCPLB_FAULT_ADDR)]; + p5.h = _saved_icplb_fault_addr; + p5.l = _saved_icplb_fault_addr; + [p5] = r7; + + p4.l = _saved_retx; + p4.h = _saved_retx; + r6 = retx; + [p4] = r6; + r7 = SEQSTAT; /* reason code is in bit 5:0 */ + p4.l = _saved_seqstat; + p4.h = _saved_seqstat; + [p4] = r7; +#else + r7 = SEQSTAT; /* reason code is in bit 5:0 */ +#endif r6.l = lo(SEQSTAT_EXCAUSE); r6.h = hi(SEQSTAT_EXCAUSE); r7 = r7 & r6; @@ -616,6 +704,9 @@ ENTRY(_system_call) rts; ENDPROC(_system_call) +/* Do not mark as ENTRY() to avoid error in assembler ... + * this symbol need not be global anyways, so ... + */ _sys_trace: call _syscall_trace; @@ -941,6 +1032,15 @@ ENTRY(_early_trap) SAVE_ALL_SYS trace_buffer_stop(p0,r0); +#if ANOMALY_05000283 || ANOMALY_05000315 + cc = r5 == r5; + p4.h = HI(CHIPID); + p4.l = LO(CHIPID); + if cc jump 1f; + r5.l = W[p4]; +1: +#endif + /* Turn caches off, to ensure we don't get double exceptions */ P4.L = LO(IMEM_CONTROL); @@ -992,7 +1092,12 @@ ENTRY(_ex_table) */ .long _ex_syscall /* 0x00 - User Defined - Linux Syscall */ .long _ex_soft_bp /* 0x01 - User Defined - Software breakpoint */ +#ifdef CONFIG_KGDB + .long _ex_trap_c /* 0x02 - User Defined - KGDB initial connection + and break signal trap */ +#else .long _ex_replaceable /* 0x02 - User Defined */ +#endif .long _ex_trap_c /* 0x03 - User Defined - userspace stack overflow */ .long _ex_trap_c /* 0x04 - User Defined - dump trace buffer */ .long _ex_replaceable /* 0x05 - User Defined */ @@ -1432,15 +1537,7 @@ ENTRY(_sys_call_table) .rept NR_syscalls-(.-_sys_call_table)/4 .long _sys_ni_syscall .endr - - /* - * Used to save the real RETX, IMASK and SYSCFG when temporarily - * storing safe values across the transition from exception to IRQ5. - */ -_excpt_saved_stuff: - .long 0; - .long 0; - .long 0; +END(_sys_call_table) _exception_stack: .rept 1024 diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S index 191b4e974c4b..3069df580729 100644 --- a/arch/blackfin/mach-common/head.S +++ b/arch/blackfin/mach-common/head.S @@ -68,6 +68,16 @@ ENTRY(__start) M2 = r0; M3 = r0; + /* + * Clear ITEST_COMMAND and DTEST_COMMAND registers, + * Leaving these as non-zero can confuse the emulator + */ + p0.L = LO(DTEST_COMMAND); + p0.H = HI(DTEST_COMMAND); + [p0] = R0; + [p0 + (ITEST_COMMAND - DTEST_COMMAND)] = R0; + CSYNC; + trace_buffer_init(p0,r0); P0 = R1; R0 = R1; @@ -90,12 +100,46 @@ ENTRY(__start) [p0] = R0; SSYNC; - /* Save RETX, in case of doublefault */ - p0.l = ___retx; - p0.h = ___retx; + /* in case of double faults, save a few things */ + p0.l = _init_retx; + p0.h = _init_retx; R0 = RETX; [P0] = R0; +#ifdef CONFIG_DEBUG_DOUBLEFAULT + /* Only save these if we are storing them, + * This happens here, since L1 gets clobbered + * below + */ + p0.l = _saved_retx; + p0.h = _saved_retx; + p1.l = _init_saved_retx; + p1.h = _init_saved_retx; + r0 = [p0]; + [p1] = r0; + + p0.l = _saved_dcplb_fault_addr; + p0.h = _saved_dcplb_fault_addr; + p1.l = _init_saved_dcplb_fault_addr; + p1.h = _init_saved_dcplb_fault_addr; + r0 = [p0]; + [p1] = r0; + + p0.l = _saved_icplb_fault_addr; + p0.h = _saved_icplb_fault_addr; + p1.l = _init_saved_icplb_fault_addr; + p1.h = _init_saved_icplb_fault_addr; + r0 = [p0]; + [p1] = r0; + + p0.l = _saved_seqstat; + p0.h = _saved_seqstat; + p1.l = _init_saved_seqstat; + p1.h = _init_saved_seqstat; + r0 = [p0]; + [p1] = r0; +#endif + /* Initialize stack pointer */ sp.l = lo(INITIAL_STACK); sp.h = hi(INITIAL_STACK); @@ -107,7 +151,7 @@ ENTRY(__start) #endif /* Put The Code for PLL Programming and SDRAM Programming in L1 ISRAM */ - call _bf53x_relocate_l1_mem; + call _bfin_relocate_l1_mem; #ifdef CONFIG_BFIN_KERNEL_CLOCK call _start_dma_code; #endif diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S index b27e59d32401..4a2ec7a9675a 100644 --- a/arch/blackfin/mach-common/interrupt.S +++ b/arch/blackfin/mach-common/interrupt.S @@ -143,7 +143,7 @@ ENTRY(_evt_ivhw) fp = 0; #endif -#if ANOMALY_05000283 +#if ANOMALY_05000283 || ANOMALY_05000315 cc = r7 == r7; p5.h = HI(CHIPID); p5.l = LO(CHIPID); @@ -179,7 +179,16 @@ ENTRY(_evt_ivhw) call _trap_c; SP += 12; +#ifdef EBIU_ERRMST + /* make sure EBIU_ERRMST is clear */ + p0.l = LO(EBIU_ERRMST); + p0.h = HI(EBIU_ERRMST); + r0.l = (CORE_ERROR | CORE_MERROR); + w[p0] = r0.l; +#endif + call _ret_from_exception; + .Lcommon_restore_all_sys: RESTORE_ALL_SYS rti; diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index 5fa536727c61..34e8a726ffda 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -243,12 +243,14 @@ int bfin_internal_set_wake(unsigned int irq, unsigned int state) #endif static struct irq_chip bfin_core_irqchip = { + .name = "CORE", .ack = bfin_ack_noop, .mask = bfin_core_mask_irq, .unmask = bfin_core_unmask_irq, }; static struct irq_chip bfin_internal_irqchip = { + .name = "INTN", .ack = bfin_ack_noop, .mask = bfin_internal_mask_irq, .unmask = bfin_internal_unmask_irq, @@ -278,6 +280,7 @@ static void bfin_generic_error_unmask_irq(unsigned int irq) } static struct irq_chip bfin_generic_error_irqchip = { + .name = "ERROR", .ack = bfin_ack_noop, .mask_ack = bfin_generic_error_mask_irq, .mask = bfin_generic_error_mask_irq, @@ -361,6 +364,14 @@ static void bfin_demux_error_irq(unsigned int int_err_irq, } #endif /* BF537_GENERIC_ERROR_INT_DEMUX */ +static inline void bfin_set_irq_handler(unsigned irq, irq_flow_handler_t handle) +{ + struct irq_desc *desc = irq_desc + irq; + /* May not call generic set_irq_handler() due to spinlock + recursion. */ + desc->handle_irq = handle; +} + #if !defined(CONFIG_BF54x) static unsigned short gpio_enabled[gpio_bank(MAX_BLACKFIN_GPIOS)]; @@ -473,9 +484,9 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) SSYNC(); if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) - set_irq_handler(irq, handle_edge_irq); + bfin_set_irq_handler(irq, handle_edge_irq); else - set_irq_handler(irq, handle_level_irq); + bfin_set_irq_handler(irq, handle_level_irq); return 0; } @@ -495,6 +506,7 @@ int bfin_gpio_set_wake(unsigned int irq, unsigned int state) #endif static struct irq_chip bfin_gpio_irqchip = { + .name = "GPIO", .ack = bfin_gpio_ack_irq, .mask = bfin_gpio_mask_irq, .mask_ack = bfin_gpio_mask_ack_irq, @@ -804,10 +816,10 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) { pint[bank]->edge_set = pintbit; - set_irq_handler(irq, handle_edge_irq); + bfin_set_irq_handler(irq, handle_edge_irq); } else { pint[bank]->edge_clear = pintbit; - set_irq_handler(irq, handle_level_irq); + bfin_set_irq_handler(irq, handle_level_irq); } SSYNC(); @@ -884,6 +896,7 @@ void bfin_pm_restore(void) #endif static struct irq_chip bfin_gpio_irqchip = { + .name = "GPIO", .ack = bfin_gpio_ack_irq, .mask = bfin_gpio_mask_irq, .mask_ack = bfin_gpio_mask_ack_irq, @@ -1136,8 +1149,4 @@ void do_irq(int vec, struct pt_regs *fp) vec = ivg->irqno; } asm_do_IRQ(vec, fp); - -#ifdef CONFIG_KGDB - kgdb_process_breakpoint(); -#endif } diff --git a/arch/blackfin/mm/Makefile b/arch/blackfin/mm/Makefile index 2a7202ce01fd..d489f894f4b1 100644 --- a/arch/blackfin/mm/Makefile +++ b/arch/blackfin/mm/Makefile @@ -2,4 +2,4 @@ # arch/blackfin/mm/Makefile # -obj-y := blackfin_sram.o init.o +obj-y := sram-alloc.o isram-driver.o init.o diff --git a/arch/blackfin/mm/isram-driver.c b/arch/blackfin/mm/isram-driver.c new file mode 100644 index 000000000000..22913e7a1818 --- /dev/null +++ b/arch/blackfin/mm/isram-driver.c @@ -0,0 +1,201 @@ +/* + * Description: Instruction SRAM accessor functions for the Blackfin + * + * Copyright 2008 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/spinlock.h> +#include <linux/sched.h> + +#include <asm/blackfin.h> + +/* + * IMPORTANT WARNING ABOUT THESE FUNCTIONS + * + * The emulator will not function correctly if a write command is left in + * ITEST_COMMAND or DTEST_COMMAND AND access to cache memory is needed by + * the emulator. To avoid such problems, ensure that both ITEST_COMMAND + * and DTEST_COMMAND are zero when exiting these functions. + */ + + +/* + * On the Blackfin, L1 instruction sram (which operates at core speeds) can not + * be accessed by a normal core load, so we need to go through a few hoops to + * read/write it. + * To try to make it easier - we export a memcpy interface, where either src or + * dest can be in this special L1 memory area. + * The low level read/write functions should not be exposed to the rest of the + * kernel, since they operate on 64-bit data, and need specific address alignment + */ + +static DEFINE_SPINLOCK(dtest_lock); + +/* Takes a void pointer */ +#define IADDR2DTEST(x) \ + ({ unsigned long __addr = (unsigned long)(x); \ + (__addr & 0x47F8) | /* address bits 14 & 10:3 */ \ + (__addr & 0x0800) << 15 | /* address bit 11 */ \ + (__addr & 0x3000) << 4 | /* address bits 13:12 */ \ + (__addr & 0x8000) << 8 | /* address bit 15 */ \ + (0x1000004); /* isram access */ \ + }) + +/* Takes a pointer, and returns the offset (in bits) which things should be shifted */ +#define ADDR2OFFSET(x) ((((unsigned long)(x)) & 0x7) * 8) + +/* Takes a pointer, determines if it is the last byte in the isram 64-bit data type */ +#define ADDR2LAST(x) ((((unsigned long)x) & 0x7) == 0x7) + +static void isram_write(const void *addr, uint64_t data) +{ + uint32_t cmd; + unsigned long flags; + + if (addr >= (void *)(L1_CODE_START + L1_CODE_LENGTH)) + return; + + cmd = IADDR2DTEST(addr) | 1; /* write */ + + /* + * Writes to DTEST_DATA[0:1] need to be atomic with write to DTEST_COMMAND + * While in exception context - atomicity is guaranteed or double fault + */ + spin_lock_irqsave(&dtest_lock, flags); + + bfin_write_DTEST_DATA0(data & 0xFFFFFFFF); + bfin_write_DTEST_DATA1(data >> 32); + + /* use the builtin, since interrupts are already turned off */ + __builtin_bfin_csync(); + bfin_write_DTEST_COMMAND(cmd); + __builtin_bfin_csync(); + + bfin_write_DTEST_COMMAND(0); + __builtin_bfin_csync(); + + spin_unlock_irqrestore(&dtest_lock, flags); +} + +static uint64_t isram_read(const void *addr) +{ + uint32_t cmd; + unsigned long flags; + uint64_t ret; + + if (addr > (void *)(L1_CODE_START + L1_CODE_LENGTH)) + return 0; + + cmd = IADDR2DTEST(addr) | 0; /* read */ + + /* + * Reads of DTEST_DATA[0:1] need to be atomic with write to DTEST_COMMAND + * While in exception context - atomicity is guaranteed or double fault + */ + spin_lock_irqsave(&dtest_lock, flags); + /* use the builtin, since interrupts are already turned off */ + __builtin_bfin_csync(); + bfin_write_DTEST_COMMAND(cmd); + __builtin_bfin_csync(); + ret = bfin_read_DTEST_DATA0() | ((uint64_t)bfin_read_DTEST_DATA1() << 32); + + bfin_write_DTEST_COMMAND(0); + __builtin_bfin_csync(); + spin_unlock_irqrestore(&dtest_lock, flags); + + return ret; +} + +static bool isram_check_addr(const void *addr, size_t n) +{ + if ((addr >= (void *)L1_CODE_START) && + (addr < (void *)(L1_CODE_START + L1_CODE_LENGTH))) { + if ((addr + n) >= (void *)(L1_CODE_START + L1_CODE_LENGTH)) { + show_stack(NULL, NULL); + printk(KERN_ERR "isram_memcpy: copy involving %p length " + "(%zu) too long\n", addr, n); + } + return true; + } + return false; +} + +/* + * The isram_memcpy() function copies n bytes from memory area src to memory area dest. + * The isram_memcpy() function returns a pointer to dest. + * Either dest or src can be in L1 instruction sram. + */ +void *isram_memcpy(void *dest, const void *src, size_t n) +{ + uint64_t data_in = 0, data_out = 0; + size_t count; + bool dest_in_l1, src_in_l1, need_data, put_data; + unsigned char byte, *src_byte, *dest_byte; + + src_byte = (unsigned char *)src; + dest_byte = (unsigned char *)dest; + + dest_in_l1 = isram_check_addr(dest, n); + src_in_l1 = isram_check_addr(src, n); + + need_data = true; + put_data = true; + for (count = 0; count < n; count++) { + if (src_in_l1) { + if (need_data) { + data_in = isram_read(src + count); + need_data = false; + } + + if (ADDR2LAST(src + count)) + need_data = true; + + byte = (unsigned char)((data_in >> ADDR2OFFSET(src + count)) & 0xff); + + } else { + /* src is in L2 or L3 - so just dereference*/ + byte = src_byte[count]; + } + + if (dest_in_l1) { + if (put_data) { + data_out = isram_read(dest + count); + put_data = false; + } + + data_out &= ~((uint64_t)0xff << ADDR2OFFSET(dest + count)); + data_out |= ((uint64_t)byte << ADDR2OFFSET(dest + count)); + + if (ADDR2LAST(dest + count)) { + put_data = true; + isram_write(dest + count, data_out); + } + } else { + /* dest in L2 or L3 - so just dereference */ + dest_byte[count] = byte; + } + } + + /* make sure we dump the last byte if necessary */ + if (dest_in_l1 && !put_data) + isram_write(dest + count, data_out); + + return dest; +} +EXPORT_SYMBOL(isram_memcpy); + diff --git a/arch/blackfin/mm/blackfin_sram.c b/arch/blackfin/mm/sram-alloc.c index 4f5e887a0d96..0f1ca6930c16 100644 --- a/arch/blackfin/mm/blackfin_sram.c +++ b/arch/blackfin/mm/sram-alloc.c @@ -1,13 +1,13 @@ /* - * File: arch/blackfin/mm/blackfin_sram.c + * File: arch/blackfin/mm/sram-alloc.c * Based on: * Author: * * Created: - * Description: SRAM driver for Blackfin ADSP-BF5xx + * Description: SRAM allocator for Blackfin L1 and L2 memory * * Modified: - * Copyright 2004-2007 Analog Devices Inc. + * Copyright 2004-2008 Analog Devices Inc. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * @@ -78,7 +78,7 @@ static void __init l1sram_init(void) free_l1_ssram_head.next = kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); if (!free_l1_ssram_head.next) { - printk(KERN_INFO"Fail to initialize Scratchpad data SRAM.\n"); + printk(KERN_INFO "Failed to initialize Scratchpad data SRAM\n"); return; } @@ -102,7 +102,7 @@ static void __init l1_data_sram_init(void) free_l1_data_A_sram_head.next = kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); if (!free_l1_data_A_sram_head.next) { - printk(KERN_INFO"Fail to initialize L1 Data A SRAM.\n"); + printk(KERN_INFO "Failed to initialize L1 Data A SRAM\n"); return; } @@ -123,7 +123,7 @@ static void __init l1_data_sram_init(void) free_l1_data_B_sram_head.next = kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); if (!free_l1_data_B_sram_head.next) { - printk(KERN_INFO"Fail to initialize L1 Data B SRAM.\n"); + printk(KERN_INFO "Failed to initialize L1 Data B SRAM\n"); return; } @@ -151,7 +151,7 @@ static void __init l1_inst_sram_init(void) free_l1_inst_sram_head.next = kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); if (!free_l1_inst_sram_head.next) { - printk(KERN_INFO"Fail to initialize L1 Instruction SRAM.\n"); + printk(KERN_INFO "Failed to initialize L1 Instruction SRAM\n"); return; } @@ -179,7 +179,7 @@ static void __init l2_sram_init(void) free_l2_sram_head.next = kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); if (!free_l2_sram_head.next) { - printk(KERN_INFO"Fail to initialize L2 SRAM.\n"); + printk(KERN_INFO "Failed to initialize L2 SRAM\n"); return; } @@ -351,28 +351,31 @@ static int _sram_free(const void *addr, int sram_free(const void *addr) { - if (0) {} + #if L1_CODE_LENGTH != 0 - else if (addr >= (void *)L1_CODE_START + if (addr >= (void *)L1_CODE_START && addr < (void *)(L1_CODE_START + L1_CODE_LENGTH)) return l1_inst_sram_free(addr); + else #endif #if L1_DATA_A_LENGTH != 0 - else if (addr >= (void *)L1_DATA_A_START + if (addr >= (void *)L1_DATA_A_START && addr < (void *)(L1_DATA_A_START + L1_DATA_A_LENGTH)) return l1_data_A_sram_free(addr); + else #endif #if L1_DATA_B_LENGTH != 0 - else if (addr >= (void *)L1_DATA_B_START + if (addr >= (void *)L1_DATA_B_START && addr < (void *)(L1_DATA_B_START + L1_DATA_B_LENGTH)) return l1_data_B_sram_free(addr); + else #endif #if L2_LENGTH != 0 - else if (addr >= (void *)L2_START + if (addr >= (void *)L2_START && addr < (void *)(L2_START + L2_LENGTH)) return l2_sram_free(addr); -#endif else +#endif return -1; } EXPORT_SYMBOL(sram_free); |