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-rw-r--r--include/asm-ppc64/processor.h186
-rw-r--r--include/asm-ppc64/thread_info.h4
-rw-r--r--include/linux/libata.h58
3 files changed, 82 insertions, 166 deletions
diff --git a/include/asm-ppc64/processor.h b/include/asm-ppc64/processor.h
index 0035efe2db2b..809c634ba1df 100644
--- a/include/asm-ppc64/processor.h
+++ b/include/asm-ppc64/processor.h
@@ -120,103 +120,18 @@
/* Special Purpose Registers (SPRNs)*/
-#define SPRN_CDBCR 0x3D7 /* Cache Debug Control Register */
#define SPRN_CTR 0x009 /* Count Register */
#define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */
-#define SPRN_DAC1 0x3F6 /* Data Address Compare 1 */
-#define SPRN_DAC2 0x3F7 /* Data Address Compare 2 */
+#define DABR_TRANSLATION (1UL << 2)
#define SPRN_DAR 0x013 /* Data Address Register */
-#define SPRN_DBCR 0x3F2 /* Debug Control Regsiter */
-#define DBCR_EDM 0x80000000
-#define DBCR_IDM 0x40000000
-#define DBCR_RST(x) (((x) & 0x3) << 28)
-#define DBCR_RST_NONE 0
-#define DBCR_RST_CORE 1
-#define DBCR_RST_CHIP 2
-#define DBCR_RST_SYSTEM 3
-#define DBCR_IC 0x08000000 /* Instruction Completion Debug Evnt */
-#define DBCR_BT 0x04000000 /* Branch Taken Debug Event */
-#define DBCR_EDE 0x02000000 /* Exception Debug Event */
-#define DBCR_TDE 0x01000000 /* TRAP Debug Event */
-#define DBCR_FER 0x00F80000 /* First Events Remaining Mask */
-#define DBCR_FT 0x00040000 /* Freeze Timers on Debug Event */
-#define DBCR_IA1 0x00020000 /* Instr. Addr. Compare 1 Enable */
-#define DBCR_IA2 0x00010000 /* Instr. Addr. Compare 2 Enable */
-#define DBCR_D1R 0x00008000 /* Data Addr. Compare 1 Read Enable */
-#define DBCR_D1W 0x00004000 /* Data Addr. Compare 1 Write Enable */
-#define DBCR_D1S(x) (((x) & 0x3) << 12) /* Data Adrr. Compare 1 Size */
-#define DAC_BYTE 0
-#define DAC_HALF 1
-#define DAC_WORD 2
-#define DAC_QUAD 3
-#define DBCR_D2R 0x00000800 /* Data Addr. Compare 2 Read Enable */
-#define DBCR_D2W 0x00000400 /* Data Addr. Compare 2 Write Enable */
-#define DBCR_D2S(x) (((x) & 0x3) << 8) /* Data Addr. Compare 2 Size */
-#define DBCR_SBT 0x00000040 /* Second Branch Taken Debug Event */
-#define DBCR_SED 0x00000020 /* Second Exception Debug Event */
-#define DBCR_STD 0x00000010 /* Second Trap Debug Event */
-#define DBCR_SIA 0x00000008 /* Second IAC Enable */
-#define DBCR_SDA 0x00000004 /* Second DAC Enable */
-#define DBCR_JOI 0x00000002 /* JTAG Serial Outbound Int. Enable */
-#define DBCR_JII 0x00000001 /* JTAG Serial Inbound Int. Enable */
-#define SPRN_DBCR0 0x3F2 /* Debug Control Register 0 */
-#define SPRN_DBCR1 0x3BD /* Debug Control Register 1 */
-#define SPRN_DBSR 0x3F0 /* Debug Status Register */
-#define SPRN_DCCR 0x3FA /* Data Cache Cacheability Register */
-#define DCCR_NOCACHE 0 /* Noncacheable */
-#define DCCR_CACHE 1 /* Cacheable */
-#define SPRN_DCMP 0x3D1 /* Data TLB Compare Register */
-#define SPRN_DCWR 0x3BA /* Data Cache Write-thru Register */
-#define DCWR_COPY 0 /* Copy-back */
-#define DCWR_WRITE 1 /* Write-through */
-#define SPRN_DEAR 0x3D5 /* Data Error Address Register */
#define SPRN_DEC 0x016 /* Decrement Register */
-#define SPRN_DMISS 0x3D0 /* Data TLB Miss Register */
#define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
#define DSISR_NOHPTE 0x40000000 /* no translation found */
#define DSISR_PROTFAULT 0x08000000 /* protection fault */
#define DSISR_ISSTORE 0x02000000 /* access was a store */
#define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */
#define DSISR_NOSEGMENT 0x00200000 /* STAB/SLB miss */
-#define SPRN_EAR 0x11A /* External Address Register */
-#define SPRN_ESR 0x3D4 /* Exception Syndrome Register */
-#define ESR_IMCP 0x80000000 /* Instr. Machine Check - Protection */
-#define ESR_IMCN 0x40000000 /* Instr. Machine Check - Non-config */
-#define ESR_IMCB 0x20000000 /* Instr. Machine Check - Bus error */
-#define ESR_IMCT 0x10000000 /* Instr. Machine Check - Timeout */
-#define ESR_PIL 0x08000000 /* Program Exception - Illegal */
-#define ESR_PPR 0x04000000 /* Program Exception - Priveleged */
-#define ESR_PTR 0x02000000 /* Program Exception - Trap */
-#define ESR_DST 0x00800000 /* Storage Exception - Data miss */
-#define ESR_DIZ 0x00400000 /* Storage Exception - Zone fault */
-#define SPRN_EVPR 0x3D6 /* Exception Vector Prefix Register */
-#define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */
-#define SPRN_HASH2 0x3D3 /* Secondary Hash Address Resgister */
#define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */
-#define HID0_EMCP (1<<31) /* Enable Machine Check pin */
-#define HID0_EBA (1<<29) /* Enable Bus Address Parity */
-#define HID0_EBD (1<<28) /* Enable Bus Data Parity */
-#define HID0_SBCLK (1<<27)
-#define HID0_EICE (1<<26)
-#define HID0_ECLK (1<<25)
-#define HID0_PAR (1<<24)
-#define HID0_DOZE (1<<23)
-#define HID0_NAP (1<<22)
-#define HID0_SLEEP (1<<21)
-#define HID0_DPM (1<<20)
-#define HID0_ICE (1<<15) /* Instruction Cache Enable */
-#define HID0_DCE (1<<14) /* Data Cache Enable */
-#define HID0_ILOCK (1<<13) /* Instruction Cache Lock */
-#define HID0_DLOCK (1<<12) /* Data Cache Lock */
-#define HID0_ICFI (1<<11) /* Instr. Cache Flash Invalidate */
-#define HID0_DCI (1<<10) /* Data Cache Invalidate */
-#define HID0_SPD (1<<9) /* Speculative disable */
-#define HID0_SGE (1<<7) /* Store Gathering Enable */
-#define HID0_SIED (1<<7) /* Serial Instr. Execution [Disable] */
-#define HID0_BTIC (1<<5) /* Branch Target Instruction Cache Enable */
-#define HID0_ABE (1<<3) /* Address Broadcast Enable */
-#define HID0_BHTE (1<<2) /* Branch History Table Enable */
-#define HID0_BTCD (1<<1) /* Branch target cache disable */
#define SPRN_MSRDORM 0x3F1 /* Hardware Implementation Register 1 */
#define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */
#define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */
@@ -225,23 +140,8 @@
#define SPRN_HID5 0x3F6 /* 970 HID5 */
#define SPRN_TSC 0x3FD /* Thread switch control */
#define SPRN_TST 0x3FC /* Thread switch timeout */
-#define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */
-#define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */
-#define SPRN_ICCR 0x3FB /* Instruction Cache Cacheability Register */
-#define ICCR_NOCACHE 0 /* Noncacheable */
-#define ICCR_CACHE 1 /* Cacheable */
-#define SPRN_ICDBDR 0x3D3 /* Instruction Cache Debug Data Register */
-#define SPRN_ICMP 0x3D5 /* Instruction TLB Compare Register */
-#define SPRN_ICTC 0x3FB /* Instruction Cache Throttling Control Reg */
-#define SPRN_IMISS 0x3D4 /* Instruction TLB Miss Register */
-#define SPRN_IMMR 0x27E /* Internal Memory Map Register */
#define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Regsiter */
#define SPRN_LR 0x008 /* Link Register */
-#define SPRN_PBL1 0x3FC /* Protection Bound Lower 1 */
-#define SPRN_PBL2 0x3FE /* Protection Bound Lower 2 */
-#define SPRN_PBU1 0x3FD /* Protection Bound Upper 1 */
-#define SPRN_PBU2 0x3FF /* Protection Bound Upper 2 */
-#define SPRN_PID 0x3B1 /* Process ID */
#define SPRN_PIR 0x3FF /* Processor Identification Register */
#define SPRN_PIT 0x3DB /* Programmable Interval Timer */
#define SPRN_PURR 0x135 /* Processor Utilization of Resources Register */
@@ -249,9 +149,6 @@
#define SPRN_RPA 0x3D6 /* Required Physical Address Register */
#define SPRN_SDA 0x3BF /* Sampled Data Address Register */
#define SPRN_SDR1 0x019 /* MMU Hash Base Register */
-#define SPRN_SGR 0x3B9 /* Storage Guarded Register */
-#define SGR_NORMAL 0
-#define SGR_GUARDED 1
#define SPRN_SIA 0x3BB /* Sampled Instruction Address Register */
#define SPRN_SPRG0 0x110 /* Special Purpose Register General 0 */
#define SPRN_SPRG1 0x111 /* Special Purpose Register General 1 */
@@ -264,50 +161,12 @@
#define SPRN_TBWL 0x11C /* Time Base Lower Register (super, W/O) */
#define SPRN_TBWU 0x11D /* Time Base Write Upper Register (super, W/O) */
#define SPRN_HIOR 0x137 /* 970 Hypervisor interrupt offset */
-#define SPRN_TCR 0x3DA /* Timer Control Register */
-#define TCR_WP(x) (((x)&0x3)<<30) /* WDT Period */
-#define WP_2_17 0 /* 2^17 clocks */
-#define WP_2_21 1 /* 2^21 clocks */
-#define WP_2_25 2 /* 2^25 clocks */
-#define WP_2_29 3 /* 2^29 clocks */
-#define TCR_WRC(x) (((x)&0x3)<<28) /* WDT Reset Control */
-#define WRC_NONE 0 /* No reset will occur */
-#define WRC_CORE 1 /* Core reset will occur */
-#define WRC_CHIP 2 /* Chip reset will occur */
-#define WRC_SYSTEM 3 /* System reset will occur */
-#define TCR_WIE 0x08000000 /* WDT Interrupt Enable */
-#define TCR_PIE 0x04000000 /* PIT Interrupt Enable */
-#define TCR_FP(x) (((x)&0x3)<<24) /* FIT Period */
-#define FP_2_9 0 /* 2^9 clocks */
-#define FP_2_13 1 /* 2^13 clocks */
-#define FP_2_17 2 /* 2^17 clocks */
-#define FP_2_21 3 /* 2^21 clocks */
-#define TCR_FIE 0x00800000 /* FIT Interrupt Enable */
-#define TCR_ARE 0x00400000 /* Auto Reload Enable */
-#define SPRN_THRM1 0x3FC /* Thermal Management Register 1 */
-#define THRM1_TIN (1<<0)
-#define THRM1_TIV (1<<1)
-#define THRM1_THRES (0x7f<<2)
-#define THRM1_TID (1<<29)
-#define THRM1_TIE (1<<30)
-#define THRM1_V (1<<31)
-#define SPRN_THRM2 0x3FD /* Thermal Management Register 2 */
-#define SPRN_THRM3 0x3FE /* Thermal Management Register 3 */
-#define THRM3_E (1<<31)
-#define SPRN_TSR 0x3D8 /* Timer Status Register */
-#define TSR_ENW 0x80000000 /* Enable Next Watchdog */
-#define TSR_WIS 0x40000000 /* WDT Interrupt Status */
-#define TSR_WRS(x) (((x)&0x3)<<28) /* WDT Reset Status */
-#define WRS_NONE 0 /* No WDT reset occurred */
-#define WRS_CORE 1 /* WDT forced core reset */
-#define WRS_CHIP 2 /* WDT forced chip reset */
-#define WRS_SYSTEM 3 /* WDT forced system reset */
-#define TSR_PIS 0x08000000 /* PIT Interrupt Status */
-#define TSR_FIS 0x04000000 /* FIT Interrupt Status */
#define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */
#define SPRN_XER 0x001 /* Fixed Point Exception Register */
-#define SPRN_ZPR 0x3B0 /* Zone Protection Register */
#define SPRN_VRSAVE 0x100 /* Vector save */
+#define SPRN_CTRLF 0x088
+#define SPRN_CTRLT 0x098
+#define CTRL_RUNLATCH 0x1
/* Performance monitor SPRs */
#define SPRN_SIAR 780
@@ -352,28 +211,19 @@
#define CTR SPRN_CTR /* Counter Register */
#define DAR SPRN_DAR /* Data Address Register */
#define DABR SPRN_DABR /* Data Address Breakpoint Register */
-#define DCMP SPRN_DCMP /* Data TLB Compare Register */
#define DEC SPRN_DEC /* Decrement Register */
-#define DMISS SPRN_DMISS /* Data TLB Miss Register */
#define DSISR SPRN_DSISR /* Data Storage Interrupt Status Register */
-#define EAR SPRN_EAR /* External Address Register */
-#define HASH1 SPRN_HASH1 /* Primary Hash Address Register */
-#define HASH2 SPRN_HASH2 /* Secondary Hash Address Register */
#define HID0 SPRN_HID0 /* Hardware Implementation Register 0 */
#define MSRDORM SPRN_MSRDORM /* MSR Dormant Register */
#define NIADORM SPRN_NIADORM /* NIA Dormant Register */
#define TSC SPRN_TSC /* Thread switch control */
#define TST SPRN_TST /* Thread switch timeout */
#define IABR SPRN_IABR /* Instruction Address Breakpoint Register */
-#define ICMP SPRN_ICMP /* Instruction TLB Compare Register */
-#define IMISS SPRN_IMISS /* Instruction TLB Miss Register */
-#define IMMR SPRN_IMMR /* PPC 860/821 Internal Memory Map Register */
#define L2CR SPRN_L2CR /* PPC 750 L2 control register */
#define __LR SPRN_LR
#define PVR SPRN_PVR /* Processor Version */
#define PIR SPRN_PIR /* Processor ID */
#define PURR SPRN_PURR /* Processor Utilization of Resource Register */
-//#define RPA SPRN_RPA /* Required Physical Address Register */
#define SDR1 SPRN_SDR1 /* MMU hash base register */
#define SPR0 SPRN_SPRG0 /* Supervisor Private Registers */
#define SPR1 SPRN_SPRG1
@@ -389,10 +239,6 @@
#define TBRU SPRN_TBRU /* Time Base Read Upper Register */
#define TBWL SPRN_TBWL /* Time Base Write Lower Register */
#define TBWU SPRN_TBWU /* Time Base Write Upper Register */
-#define ICTC 1019
-#define THRM1 SPRN_THRM1 /* Thermal Management Register 1 */
-#define THRM2 SPRN_THRM2 /* Thermal Management Register 2 */
-#define THRM3 SPRN_THRM3 /* Thermal Management Register 3 */
#define XER SPRN_XER
/* Processor Version Register (PVR) field extraction */
@@ -436,12 +282,6 @@
#define XGLUE(a,b) a##b
#define GLUE(a,b) XGLUE(a,b)
-/* iSeries CTRL register (for runlatch) */
-
-#define CTRLT 0x098
-#define CTRLF 0x088
-#define RUNLATCH 0x0001
-
#ifdef __ASSEMBLY__
#define _GLOBAL(name) \
@@ -656,6 +496,24 @@ static inline void prefetchw(const void *x)
#define HAVE_ARCH_PICK_MMAP_LAYOUT
+static inline void ppc64_runlatch_on(void)
+{
+ unsigned long ctrl;
+
+ ctrl = mfspr(SPRN_CTRLF);
+ ctrl |= CTRL_RUNLATCH;
+ mtspr(SPRN_CTRLT, ctrl);
+}
+
+static inline void ppc64_runlatch_off(void)
+{
+ unsigned long ctrl;
+
+ ctrl = mfspr(SPRN_CTRLF);
+ ctrl &= ~CTRL_RUNLATCH;
+ mtspr(SPRN_CTRLT, ctrl);
+}
+
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
diff --git a/include/asm-ppc64/thread_info.h b/include/asm-ppc64/thread_info.h
index 037b5e06083c..48b7900e90ec 100644
--- a/include/asm-ppc64/thread_info.h
+++ b/include/asm-ppc64/thread_info.h
@@ -96,7 +96,7 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_POLLING_NRFLAG 4 /* true if poll_idle() is polling
TIF_NEED_RESCHED */
#define TIF_32BIT 5 /* 32 bit binary */
-#define TIF_RUN_LIGHT 6 /* iSeries run light */
+/* #define SPARE 6 */
#define TIF_ABI_PENDING 7 /* 32/64 bit switch needed */
#define TIF_SYSCALL_AUDIT 8 /* syscall auditing active */
#define TIF_SINGLESTEP 9 /* singlestepping active */
@@ -110,7 +110,7 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_32BIT (1<<TIF_32BIT)
-#define _TIF_RUN_LIGHT (1<<TIF_RUN_LIGHT)
+/* #define _SPARE (1<<SPARE) */
#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
diff --git a/include/linux/libata.h b/include/linux/libata.h
index e74f301e9bae..b009f801e7c5 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -467,12 +467,34 @@ static inline u8 ata_chk_status(struct ata_port *ap)
return ap->ops->check_status(ap);
}
+
+/**
+ * ata_pause - Flush writes and pause 400 nanoseconds.
+ * @ap: Port to wait for.
+ *
+ * LOCKING:
+ * Inherited from caller.
+ */
+
static inline void ata_pause(struct ata_port *ap)
{
ata_altstatus(ap);
ndelay(400);
}
+
+/**
+ * ata_busy_wait - Wait for a port status register
+ * @ap: Port to wait for.
+ *
+ * Waits up to max*10 microseconds for the selected bits in the port's
+ * status register to be cleared.
+ * Returns final value of status register.
+ *
+ * LOCKING:
+ * Inherited from caller.
+ */
+
static inline u8 ata_busy_wait(struct ata_port *ap, unsigned int bits,
unsigned int max)
{
@@ -487,6 +509,18 @@ static inline u8 ata_busy_wait(struct ata_port *ap, unsigned int bits,
return status;
}
+
+/**
+ * ata_wait_idle - Wait for a port to be idle.
+ * @ap: Port to wait for.
+ *
+ * Waits up to 10ms for port's BUSY and DRQ signals to clear.
+ * Returns final value of status register.
+ *
+ * LOCKING:
+ * Inherited from caller.
+ */
+
static inline u8 ata_wait_idle(struct ata_port *ap)
{
u8 status = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
@@ -525,6 +559,18 @@ static inline void ata_tf_init(struct ata_port *ap, struct ata_taskfile *tf, uns
tf->device = ATA_DEVICE_OBS | ATA_DEV1;
}
+
+/**
+ * ata_irq_on - Enable interrupts on a port.
+ * @ap: Port on which interrupts are enabled.
+ *
+ * Enable interrupts on a legacy IDE device using MMIO or PIO,
+ * wait for idle, clear any pending interrupts.
+ *
+ * LOCKING:
+ * Inherited from caller.
+ */
+
static inline u8 ata_irq_on(struct ata_port *ap)
{
struct ata_ioports *ioaddr = &ap->ioaddr;
@@ -544,6 +590,18 @@ static inline u8 ata_irq_on(struct ata_port *ap)
return tmp;
}
+
+/**
+ * ata_irq_ack - Acknowledge a device interrupt.
+ * @ap: Port on which interrupts are enabled.
+ *
+ * Wait up to 10 ms for legacy IDE device to become idle (BUSY
+ * or BUSY+DRQ clear). Obtain dma status and port status from
+ * device. Clear the interrupt. Return port status.
+ *
+ * LOCKING:
+ */
+
static inline u8 ata_irq_ack(struct ata_port *ap, unsigned int chk_drq)
{
unsigned int bits = chk_drq ? ATA_BUSY | ATA_DRQ : ATA_BUSY;
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-15 03:12:28 +0300