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authorLennert Buytenhek <buytenh@wantstofly.org>2006-09-18 23:18:16 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-09-25 10:25:42 +0100
commit48388b2a56ae5e0f1c422e84d536f31729469b17 (patch)
treeb3206175b8b7d884eb65be6e85236369466d3994 /include
parent7e9740b11529a0a69789fbe92d324f293e6266f6 (diff)
[ARM] 3822/1: iop3xx: rewrite time handling
Merge and rewrite the iop32x/iop33x time code to do lost jiffy tracking properly, and put the result in plat-iop/time.c. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include')
-rw-r--r--include/asm-arm/arch-iop32x/iop321.h6
-rw-r--r--include/asm-arm/arch-iop33x/iop331.h6
-rw-r--r--include/asm-arm/hardware/iop3xx.h20
3 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-arm/arch-iop32x/iop321.h b/include/asm-arm/arch-iop32x/iop321.h
index e3c85a05e73..bd96b8d55a7 100644
--- a/include/asm-arm/arch-iop32x/iop321.h
+++ b/include/asm-arm/arch-iop32x/iop321.h
@@ -233,6 +233,12 @@
/* for I2C bit defs see drivers/i2c/i2c-iop3xx.h */
+/*
+ * Peripherals that are shared between the iop32x and iop33x but
+ * located at different addresses.
+ */
+#define IOP3XX_TIMER_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x07e0 + (reg))
+
#include <asm/hardware/iop3xx.h>
diff --git a/include/asm-arm/arch-iop33x/iop331.h b/include/asm-arm/arch-iop33x/iop331.h
index e85e1a2e1a8..b301ef8f7f3 100644
--- a/include/asm-arm/arch-iop33x/iop331.h
+++ b/include/asm-arm/arch-iop33x/iop331.h
@@ -238,6 +238,12 @@
/* Reserved 0x0000178c through 0x000019ff */
+/*
+ * Peripherals that are shared between the iop32x and iop33x but
+ * located at different addresses.
+ */
+#define IOP3XX_TIMER_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x07d0 + (reg))
+
#include <asm/hardware/iop3xx.h>
diff --git a/include/asm-arm/hardware/iop3xx.h b/include/asm-arm/hardware/iop3xx.h
index d488ced2e12..b21ea41b149 100644
--- a/include/asm-arm/hardware/iop3xx.h
+++ b/include/asm-arm/hardware/iop3xx.h
@@ -81,6 +81,24 @@
#define IOP3XX_PCIXSR (volatile u32 *)IOP3XX_REG_ADDR(0x01e4)
#define IOP3XX_PCIIRSR (volatile u32 *)IOP3XX_REG_ADDR(0x01ec)
+/* Timers */
+#define IOP3XX_TU_TMR0 (volatile u32 *)IOP3XX_TIMER_REG(0x0000)
+#define IOP3XX_TU_TMR1 (volatile u32 *)IOP3XX_TIMER_REG(0x0004)
+#define IOP3XX_TU_TCR0 (volatile u32 *)IOP3XX_TIMER_REG(0x0008)
+#define IOP3XX_TU_TCR1 (volatile u32 *)IOP3XX_TIMER_REG(0x000c)
+#define IOP3XX_TU_TRR0 (volatile u32 *)IOP3XX_TIMER_REG(0x0010)
+#define IOP3XX_TU_TRR1 (volatile u32 *)IOP3XX_TIMER_REG(0x0014)
+#define IOP3XX_TU_TISR (volatile u32 *)IOP3XX_TIMER_REG(0x0018)
+#define IOP3XX_TU_WDTCR (volatile u32 *)IOP3XX_TIMER_REG(0x001c)
+#define IOP3XX_TMR_TC 0x01
+#define IOP3XX_TMR_EN 0x02
+#define IOP3XX_TMR_RELOAD 0x04
+#define IOP3XX_TMR_PRIVILEGED 0x09
+#define IOP3XX_TMR_RATIO_1_1 0x00
+#define IOP3XX_TMR_RATIO_4_1 0x10
+#define IOP3XX_TMR_RATIO_8_1 0x20
+#define IOP3XX_TMR_RATIO_16_1 0x30
+
/* I2C bus interface unit */
#define IOP3XX_ICR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1680)
#define IOP3XX_ISR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1684)
@@ -109,6 +127,8 @@
#ifndef __ASSEMBLY__
void iop3xx_map_io(void);
+void iop3xx_init_time(unsigned long);
+unsigned long iop3xx_gettimeoffset(void);
extern struct platform_device iop3xx_i2c0_device;
extern struct platform_device iop3xx_i2c1_device;