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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-22 11:22:59 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-22 11:22:59 -0700
commit7578634990fb47cc30083fbd812689aa6deacfc0 (patch)
treef493860658579d9572a19b3a41fcea2de035e49f /include/asm-arm/arch-iop13xx
parentd7f5e3df3574c6e38b99f5fe22f15540b2b9811d (diff)
parent5957a4eb284dd6f522b248b674792416466555b2 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (60 commits) [ARM] 4524/1: S3C: Move register out of include/asm-arm/arch-s3c2410 [ARM] 4523/1: S3C: Remove FIFO_MAX from uncompression headers [ARM] 4522/1: S3C: split include/asm-arm/arch/memory.h [ARM] 4521/2: S3C: Reorganise VA mapping headers [ARM] 4520/1: S3C: Remove old VA values from static map [ARM] 4519/1: S3C: split S3C2400 values out of S3C24XX map.h [ARM] 4518/1: S3C: Rename watchdog configuration options [ARM] 4517/1: S3C: Fix debug macros for ARM926 output [ARM] 4516/1: S3C: Fix uncompressor serial output for ARM926 [ARM] 4515/1: S3C: Move uncompress code to plat-s3c [ARM] 4514/1: S3C: Rename DEBUG_S3C2410_PORT and DEBUG_S3C_UART [ARM] 4513/1: S3C: Rename CONFIG_S3C2410_LOWLEVEL_UART_PORT [ARM] 4512/1: S3C: rename the debug macros for per-cpu updates [ARM] 4511/1: S3C: updated LLSERIAL Kconfig defines for CPU support [ARM] 4510/1: S3C: split debug-macro support into plat-s3c [ARM] 4509/1: S3C: Create initial arch/arm/plat-s3c [ARM] 4508/1: S3C: Move items to include/asm-arm/plat-s3c [ARM] 4461/1: MXC platform and i.MX31ADS core support [ARM] 4507/1: pxa2xx clock_event_device [ARM] 4497/1: Only allow safe cache configurations on ARMv6 and later ...
Diffstat (limited to 'include/asm-arm/arch-iop13xx')
-rw-r--r--include/asm-arm/arch-iop13xx/iop13xx.h43
-rw-r--r--include/asm-arm/arch-iop13xx/system.h34
-rw-r--r--include/asm-arm/arch-iop13xx/uncompress.h3
3 files changed, 46 insertions, 34 deletions
diff --git a/include/asm-arm/arch-iop13xx/iop13xx.h b/include/asm-arm/arch-iop13xx/iop13xx.h
index d4e4f828577..52b7fab7ef6 100644
--- a/include/asm-arm/arch-iop13xx/iop13xx.h
+++ b/include/asm-arm/arch-iop13xx/iop13xx.h
@@ -19,6 +19,39 @@ static inline int iop13xx_cpu_id(void)
return id;
}
+/* WDTCR CP6 R7 Page 9 */
+static inline u32 read_wdtcr(void)
+{
+ u32 val;
+ asm volatile("mrc p6, 0, %0, c7, c9, 0":"=r" (val));
+ return val;
+}
+static inline void write_wdtcr(u32 val)
+{
+ asm volatile("mcr p6, 0, %0, c7, c9, 0"::"r" (val));
+}
+
+/* WDTSR CP6 R8 Page 9 */
+static inline u32 read_wdtsr(void)
+{
+ u32 val;
+ asm volatile("mrc p6, 0, %0, c8, c9, 0":"=r" (val));
+ return val;
+}
+static inline void write_wdtsr(u32 val)
+{
+ asm volatile("mcr p6, 0, %0, c8, c9, 0"::"r" (val));
+}
+
+/* RCSR - Reset Cause Status Register */
+static inline u32 read_rcsr(void)
+{
+ u32 val;
+ asm volatile("mrc p6, 0, %0, c0, c1, 0":"=r" (val));
+ return val;
+}
+
+extern unsigned long get_iop_tick_rate(void);
#endif
/*
@@ -480,4 +513,14 @@ static inline int iop13xx_cpu_id(void)
#define IOP13XX_PBI_LR1 IOP13XX_PBI_OFFSET(0x14)
#define IOP13XX_PROCESSOR_FREQ IOP13XX_REG_ADDR32(0x2180)
+
+/* Watchdog timer definitions */
+#define IOP_WDTCR_EN_ARM 0x1e1e1e1e
+#define IOP_WDTCR_EN 0xe1e1e1e1
+#define IOP_WDTCR_DIS_ARM 0x1f1f1f1f
+#define IOP_WDTCR_DIS 0xf1f1f1f1
+#define IOP_RCSR_WDT (1 << 5) /* reset caused by watchdog timer */
+#define IOP13XX_WDTSR_WRITE_EN (1 << 31) /* used to speed up reset requests */
+#define IOP13XX_WDTCR_IB_RESET (1 << 0)
+
#endif /* _IOP13XX_HW_H_ */
diff --git a/include/asm-arm/arch-iop13xx/system.h b/include/asm-arm/arch-iop13xx/system.h
index 127827058e1..8575af8db78 100644
--- a/include/asm-arm/arch-iop13xx/system.h
+++ b/include/asm-arm/arch-iop13xx/system.h
@@ -13,43 +13,13 @@ static inline void arch_idle(void)
cpu_do_idle();
}
-/* WDTCR CP6 R7 Page 9 */
-static inline u32 read_wdtcr(void)
-{
- u32 val;
- asm volatile("mrc p6, 0, %0, c7, c9, 0":"=r" (val));
- return val;
-}
-static inline void write_wdtcr(u32 val)
-{
- asm volatile("mcr p6, 0, %0, c7, c9, 0"::"r" (val));
-}
-
-/* WDTSR CP6 R8 Page 9 */
-static inline u32 read_wdtsr(void)
-{
- u32 val;
- asm volatile("mrc p6, 0, %0, c8, c9, 0":"=r" (val));
- return val;
-}
-static inline void write_wdtsr(u32 val)
-{
- asm volatile("mcr p6, 0, %0, c8, c9, 0"::"r" (val));
-}
-
-#define IOP13XX_WDTCR_EN_ARM 0x1e1e1e1e
-#define IOP13XX_WDTCR_EN 0xe1e1e1e1
-#define IOP13XX_WDTCR_DIS_ARM 0x1f1f1f1f
-#define IOP13XX_WDTCR_DIS 0xf1f1f1f1
-#define IOP13XX_WDTSR_WRITE_EN (1 << 31)
-#define IOP13XX_WDTCR_IB_RESET (1 << 0)
static inline void arch_reset(char mode)
{
/*
* Reset the internal bus (warning both cores are reset)
*/
- write_wdtcr(IOP13XX_WDTCR_EN_ARM);
- write_wdtcr(IOP13XX_WDTCR_EN);
+ write_wdtcr(IOP_WDTCR_EN_ARM);
+ write_wdtcr(IOP_WDTCR_EN);
write_wdtsr(IOP13XX_WDTSR_WRITE_EN | IOP13XX_WDTCR_IB_RESET);
write_wdtcr(0x1000);
diff --git a/include/asm-arm/arch-iop13xx/uncompress.h b/include/asm-arm/arch-iop13xx/uncompress.h
index b9525d59b7a..dd9c2934190 100644
--- a/include/asm-arm/arch-iop13xx/uncompress.h
+++ b/include/asm-arm/arch-iop13xx/uncompress.h
@@ -1,7 +1,6 @@
#include <asm/types.h>
#include <linux/serial_reg.h>
#include <asm/hardware.h>
-#include <asm/processor.h>
#define UART_BASE ((volatile u32 *)IOP13XX_UART1_PHYS)
#define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE)
@@ -9,7 +8,7 @@
static inline void putc(char c)
{
while ((UART_BASE[UART_LSR] & TX_DONE) != TX_DONE)
- cpu_relax();
+ barrier();
UART_BASE[UART_TX] = c;
}