diff options
Diffstat (limited to 'arch/h8300')
| -rw-r--r-- | arch/h8300/Kconfig | 37 | ||||
| -rw-r--r-- | arch/h8300/Kconfig.debug | 1 | ||||
| -rw-r--r-- | arch/h8300/Makefile | 6 | ||||
| -rw-r--r-- | arch/h8300/boot/dts/h8300h_sim.dts | 2 | ||||
| -rw-r--r-- | arch/h8300/include/asm/atomic.h | 19 | ||||
| -rw-r--r-- | arch/h8300/include/asm/bitops.h | 14 | ||||
| -rw-r--r-- | arch/h8300/include/asm/ptrace.h | 2 | ||||
| -rw-r--r-- | arch/h8300/kernel/kgdb.c | 2 | ||||
| -rw-r--r-- | arch/h8300/kernel/setup.c | 46 | ||||
| -rw-r--r-- | arch/h8300/kernel/sim-console.c | 7 |
10 files changed, 34 insertions, 102 deletions
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig index 091d6d04b5e5..0b334b671e90 100644 --- a/arch/h8300/Kconfig +++ b/arch/h8300/Kconfig @@ -16,6 +16,7 @@ config H8300 select OF_IRQ select OF_EARLY_FLATTREE select HAVE_MEMBLOCK + select NO_BOOTMEM select TIMER_OF select H8300_TMR8 select HAVE_KERNEL_GZIP @@ -48,40 +49,4 @@ config NR_CPUS int default 1 -source "init/Kconfig" - -source "kernel/Kconfig.freezer" - source "arch/h8300/Kconfig.cpu" - -menu "Kernel Features" - -source "kernel/Kconfig.preempt" - -source "mm/Kconfig" - -endmenu - -menu "Executable file formats" - -source "fs/Kconfig.binfmt" - -endmenu - -source "net/Kconfig" - -source "drivers/Kconfig" - -source "fs/Kconfig" - -menu "Kernel hacking" - -source "lib/Kconfig.debug" - -endmenu - -source "security/Kconfig" - -source "crypto/Kconfig" - -source "lib/Kconfig" diff --git a/arch/h8300/Kconfig.debug b/arch/h8300/Kconfig.debug new file mode 100644 index 000000000000..22a162cd99e8 --- /dev/null +++ b/arch/h8300/Kconfig.debug @@ -0,0 +1 @@ +# dummy file, do not delete diff --git a/arch/h8300/Makefile b/arch/h8300/Makefile index e1c02ca230cb..58634e6bae92 100644 --- a/arch/h8300/Makefile +++ b/arch/h8300/Makefile @@ -8,6 +8,8 @@ # (C) Copyright 2002-2015 Yoshinori Sato <ysato@users.sourceforge.jp> # +KBUILD_DEFCONFIG := edosk2674_defconfig + cflags-$(CONFIG_CPU_H8300H) := -mh aflags-$(CONFIG_CPU_H8300H) := -mh -Wa,--mach=h8300h ldflags-$(CONFIG_CPU_H8300H) := -mh8300helf_linux @@ -20,7 +22,9 @@ KBUILD_CFLAGS += -mint32 -fno-builtin KBUILD_CFLAGS += -D__linux__ KBUILD_CFLAGS += -DUTS_SYSNAME=\"uClinux\" KBUILD_AFLAGS += $(aflags-y) -LDFLAGS += $(ldflags-y) +KBUILD_LDFLAGS += $(ldflags-y) + +CHECKFLAGS += -msize-long ifeq ($(CROSS_COMPILE),) CROSS_COMPILE := h8300-unknown-linux- diff --git a/arch/h8300/boot/dts/h8300h_sim.dts b/arch/h8300/boot/dts/h8300h_sim.dts index f1c31cecdec8..595398b9d018 100644 --- a/arch/h8300/boot/dts/h8300h_sim.dts +++ b/arch/h8300/boot/dts/h8300h_sim.dts @@ -73,7 +73,7 @@ timer16: timer@ffff68 { compatible = "renesas,16bit-timer"; reg = <0xffff68 8>, <0xffff60 8>; - interrupts = <24 0>; + interrupts = <26 0>; renesas,channel = <0>; clocks = <&fclk>; clock-names = "fck"; diff --git a/arch/h8300/include/asm/atomic.h b/arch/h8300/include/asm/atomic.h index 941e7554e886..c6b6a06231b2 100644 --- a/arch/h8300/include/asm/atomic.h +++ b/arch/h8300/include/asm/atomic.h @@ -2,8 +2,10 @@ #ifndef __ARCH_H8300_ATOMIC__ #define __ARCH_H8300_ATOMIC__ +#include <linux/compiler.h> #include <linux/types.h> #include <asm/cmpxchg.h> +#include <asm/irqflags.h> /* * Atomic operations that C can't guarantee us. Useful for @@ -15,8 +17,6 @@ #define atomic_read(v) READ_ONCE((v)->counter) #define atomic_set(v, i) WRITE_ONCE(((v)->counter), (i)) -#include <linux/kernel.h> - #define ATOMIC_OP_RETURN(op, c_op) \ static inline int atomic_##op##_return(int i, atomic_t *v) \ { \ @@ -69,18 +69,6 @@ ATOMIC_OPS(sub, -=) #undef ATOMIC_OP_RETURN #undef ATOMIC_OP -#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) -#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0) - -#define atomic_inc_return(v) atomic_add_return(1, v) -#define atomic_dec_return(v) atomic_sub_return(1, v) - -#define atomic_inc(v) (void)atomic_inc_return(v) -#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) - -#define atomic_dec(v) (void)atomic_dec_return(v) -#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0) - static inline int atomic_cmpxchg(atomic_t *v, int old, int new) { int ret; @@ -94,7 +82,7 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new) return ret; } -static inline int __atomic_add_unless(atomic_t *v, int a, int u) +static inline int atomic_fetch_add_unless(atomic_t *v, int a, int u) { int ret; h8300flags flags; @@ -106,5 +94,6 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) arch_local_irq_restore(flags); return ret; } +#define atomic_fetch_add_unless atomic_fetch_add_unless #endif /* __ARCH_H8300_ATOMIC __ */ diff --git a/arch/h8300/include/asm/bitops.h b/arch/h8300/include/asm/bitops.h index ea0cb0cf6a8b..647a83bd40b7 100644 --- a/arch/h8300/include/asm/bitops.h +++ b/arch/h8300/include/asm/bitops.h @@ -29,11 +29,11 @@ static inline unsigned long ffz(unsigned long word) result = -1; __asm__("1:\n\t" - "shlr.l %2\n\t" + "shlr.l %1\n\t" "adds #1,%0\n\t" "bcs 1b" - : "=r"(result) - : "0"(result), "r"(word)); + : "=r"(result),"=r"(word) + : "0"(result), "1"(word)); return result; } @@ -66,7 +66,7 @@ H8300_GEN_BITOP(change_bit, "bnot") #undef H8300_GEN_BITOP -static inline int test_bit(int nr, const unsigned long *addr) +static inline int test_bit(int nr, const volatile unsigned long *addr) { int ret = 0; unsigned char *b_addr; @@ -162,11 +162,11 @@ static inline unsigned long __ffs(unsigned long word) result = -1; __asm__("1:\n\t" - "shlr.l %2\n\t" + "shlr.l %1\n\t" "adds #1,%0\n\t" "bcc 1b" - : "=r" (result) - : "0"(result), "r"(word)); + : "=r" (result),"=r"(word) + : "0"(result), "1"(word)); return result; } diff --git a/arch/h8300/include/asm/ptrace.h b/arch/h8300/include/asm/ptrace.h index 313cafa85380..66d383848ff1 100644 --- a/arch/h8300/include/asm/ptrace.h +++ b/arch/h8300/include/asm/ptrace.h @@ -4,6 +4,8 @@ #include <uapi/asm/ptrace.h> +struct task_struct; + #ifndef __ASSEMBLY__ #ifndef PS_S #define PS_S (0x10) diff --git a/arch/h8300/kernel/kgdb.c b/arch/h8300/kernel/kgdb.c index 602e478afbd5..1a1d30cb0609 100644 --- a/arch/h8300/kernel/kgdb.c +++ b/arch/h8300/kernel/kgdb.c @@ -129,7 +129,7 @@ void kgdb_arch_exit(void) /* Nothing to do */ } -const struct kgdb_arch arch_kgdb_ops = { +struct kgdb_arch arch_kgdb_ops = { /* Breakpoint instruction: trapa #2 */ .gdb_bpt_instr = { 0x57, 0x20 }, }; diff --git a/arch/h8300/kernel/setup.c b/arch/h8300/kernel/setup.c index a4d0470c10a9..34e2df5c0d6d 100644 --- a/arch/h8300/kernel/setup.c +++ b/arch/h8300/kernel/setup.c @@ -23,7 +23,6 @@ #include <linux/init.h> #include <linux/of.h> #include <linux/of_fdt.h> -#include <linux/of_platform.h> #include <linux/of_address.h> #include <linux/clk-provider.h> #include <linux/memblock.h> @@ -71,10 +70,6 @@ void __init h8300_fdt_init(void *fdt, char *bootargs) static void __init bootmem_init(void) { - int bootmap_size; - unsigned long ram_start_pfn; - unsigned long free_ram_start_pfn; - unsigned long ram_end_pfn; struct memblock_region *region; memory_end = memory_start = 0; @@ -88,33 +83,17 @@ static void __init bootmem_init(void) if (!memory_end) panic("No memory!"); - ram_start_pfn = PFN_UP(memory_start); - /* free_ram_start_pfn is first page after kernel */ - free_ram_start_pfn = PFN_UP(__pa(_end)); - ram_end_pfn = PFN_DOWN(memblock_end_of_DRAM()); + /* setup bootmem globals (we use no_bootmem, but mm still depends on this) */ + min_low_pfn = PFN_UP(memory_start); + max_low_pfn = PFN_DOWN(memblock_end_of_DRAM()); + max_pfn = max_low_pfn; - max_pfn = ram_end_pfn; + memblock_reserve(__pa(_stext), _end - _stext); - /* - * give all the memory to the bootmap allocator, tell it to put the - * boot mem_map at the start of memory - */ - bootmap_size = init_bootmem_node(NODE_DATA(0), - free_ram_start_pfn, - 0, - ram_end_pfn); - /* - * free the usable memory, we have to make sure we do not free - * the bootmem bitmap so we then reserve it after freeing it :-) - */ - free_bootmem(PFN_PHYS(free_ram_start_pfn), - (ram_end_pfn - free_ram_start_pfn) << PAGE_SHIFT); - reserve_bootmem(PFN_PHYS(free_ram_start_pfn), bootmap_size, - BOOTMEM_DEFAULT); + early_init_fdt_reserve_self(); + early_init_fdt_scan_reserved_mem(); - for_each_memblock(reserved, region) { - reserve_bootmem(region->base, region->size, BOOTMEM_DEFAULT); - } + memblock_dump_all(); } void __init setup_arch(char **cmdline_p) @@ -188,15 +167,6 @@ const struct seq_operations cpuinfo_op = { .show = show_cpuinfo, }; -static int __init device_probe(void) -{ - of_platform_populate(NULL, NULL, NULL, NULL); - - return 0; -} - -device_initcall(device_probe); - #if defined(CONFIG_CPU_H8300H) #define get_wait(base, addr) ({ \ int baddr; \ diff --git a/arch/h8300/kernel/sim-console.c b/arch/h8300/kernel/sim-console.c index 46138f55a9ea..03aa35b1a08c 100644 --- a/arch/h8300/kernel/sim-console.c +++ b/arch/h8300/kernel/sim-console.c @@ -13,12 +13,13 @@ static void sim_write(struct console *con, const char *s, unsigned n) { - register const int fd __asm__("er0") = 1; /* stdout */ register const char *_ptr __asm__("er1") = s; register const unsigned _len __asm__("er2") = n; - __asm__(".byte 0x5e,0x00,0x00,0xc7\n\t" /* jsr @0xc7 (sys_write) */ - : : "g"(fd), "g"(_ptr), "g"(_len)); + __asm__("sub.l er0,er0\n\t" /* er0 = 1 (stdout) */ + "inc.l #1,er0\n\t" + ".byte 0x5e,0x00,0x00,0xc7\n\t" /* jsr @0xc7 (sys_write) */ + : : "g"(_ptr), "g"(_len):"er0"); } static int __init sim_setup(struct earlycon_device *device, const char *opt) |