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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2012-02-20 11:07:39 +0100
committerNicolas Ferre <nicolas.ferre@atmel.com>2012-02-23 09:26:01 +0100
commit5e9cf5e18d4bed39467cc020dcd3e66e8a8cd231 (patch)
tree2a5f9f4df133e6f185830f1930df224c155dd298 /arch/arm/mach-at91/include
parent4342d6479e249c0cc952ff71f22167e4276a4927 (diff)
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ARM: at91: make ST (System Timer) soc independent
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Reviewed-by: Ryan Mallon <rmallon@gmail.com>
Diffstat (limited to 'arch/arm/mach-at91/include')
-rw-r--r--arch/arm/mach-at91/include/mach/at91_st.h32
-rw-r--r--arch/arm/mach-at91/include/mach/at91rm9200.h2
2 files changed, 23 insertions, 11 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_st.h b/arch/arm/mach-at91/include/mach/at91_st.h
index 8847173e4101..969aac27109f 100644
--- a/arch/arm/mach-at91/include/mach/at91_st.h
+++ b/arch/arm/mach-at91/include/mach/at91_st.h
@@ -16,34 +16,46 @@
#ifndef AT91_ST_H
#define AT91_ST_H
-#define AT91_ST_CR (AT91_ST + 0x00) /* Control Register */
+#ifndef __ASSEMBLY__
+extern void __iomem *at91_st_base;
+
+#define at91_st_read(field) \
+ __raw_readl(at91_st_base + field)
+
+#define at91_st_write(field, value) \
+ __raw_writel(value, at91_st_base + field);
+#else
+.extern at91_st_base
+#endif
+
+#define AT91_ST_CR 0x00 /* Control Register */
#define AT91_ST_WDRST (1 << 0) /* Watchdog Timer Restart */
-#define AT91_ST_PIMR (AT91_ST + 0x04) /* Period Interval Mode Register */
+#define AT91_ST_PIMR 0x04 /* Period Interval Mode Register */
#define AT91_ST_PIV (0xffff << 0) /* Period Interval Value */
-#define AT91_ST_WDMR (AT91_ST + 0x08) /* Watchdog Mode Register */
+#define AT91_ST_WDMR 0x08 /* Watchdog Mode Register */
#define AT91_ST_WDV (0xffff << 0) /* Watchdog Counter Value */
#define AT91_ST_RSTEN (1 << 16) /* Reset Enable */
#define AT91_ST_EXTEN (1 << 17) /* External Signal Assertion Enable */
-#define AT91_ST_RTMR (AT91_ST + 0x0c) /* Real-time Mode Register */
+#define AT91_ST_RTMR 0x0c /* Real-time Mode Register */
#define AT91_ST_RTPRES (0xffff << 0) /* Real-time Prescalar Value */
-#define AT91_ST_SR (AT91_ST + 0x10) /* Status Register */
+#define AT91_ST_SR 0x10 /* Status Register */
#define AT91_ST_PITS (1 << 0) /* Period Interval Timer Status */
#define AT91_ST_WDOVF (1 << 1) /* Watchdog Overflow */
#define AT91_ST_RTTINC (1 << 2) /* Real-time Timer Increment */
#define AT91_ST_ALMS (1 << 3) /* Alarm Status */
-#define AT91_ST_IER (AT91_ST + 0x14) /* Interrupt Enable Register */
-#define AT91_ST_IDR (AT91_ST + 0x18) /* Interrupt Disable Register */
-#define AT91_ST_IMR (AT91_ST + 0x1c) /* Interrupt Mask Register */
+#define AT91_ST_IER 0x14 /* Interrupt Enable Register */
+#define AT91_ST_IDR 0x18 /* Interrupt Disable Register */
+#define AT91_ST_IMR 0x1c /* Interrupt Mask Register */
-#define AT91_ST_RTAR (AT91_ST + 0x20) /* Real-time Alarm Register */
+#define AT91_ST_RTAR 0x20 /* Real-time Alarm Register */
#define AT91_ST_ALMV (0xfffff << 0) /* Alarm Value */
-#define AT91_ST_CRTR (AT91_ST + 0x24) /* Current Real-time Register */
+#define AT91_ST_CRTR 0x24 /* Current Real-time Register */
#define AT91_ST_CRTV (0xfffff << 0) /* Current Real-Time Value */
#endif
diff --git a/arch/arm/mach-at91/include/mach/at91rm9200.h b/arch/arm/mach-at91/include/mach/at91rm9200.h
index fbde3064b623..0d0b9b3d2fe4 100644
--- a/arch/arm/mach-at91/include/mach/at91rm9200.h
+++ b/arch/arm/mach-at91/include/mach/at91rm9200.h
@@ -80,7 +80,6 @@
* System Peripherals (offset from AT91_BASE_SYS)
*/
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) /* Power Management Controller */
-#define AT91_ST (0xfffffd00 - AT91_BASE_SYS) /* System Timer */
#define AT91_MC (0xffffff00 - AT91_BASE_SYS) /* Memory Controllers */
#define AT91RM9200_BASE_DBGU AT91_BASE_DBGU0 /* Debug Unit */
@@ -88,6 +87,7 @@
#define AT91RM9200_BASE_PIOB 0xfffff600 /* PIO Controller B */
#define AT91RM9200_BASE_PIOC 0xfffff800 /* PIO Controller C */
#define AT91RM9200_BASE_PIOD 0xfffffa00 /* PIO Controller D */
+#define AT91RM9200_BASE_ST 0xfffffd00 /* System Timer */
#define AT91RM9200_BASE_RTC 0xfffffe00 /* Real-Time Clock */
#define AT91_USART0 AT91RM9200_BASE_US0