From 3668b45d46f777b0773ef5ff49531c1144efb6dd Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Tue, 13 Feb 2007 17:13:34 +0100 Subject: [ARM] 4187/1: iop: unify time implementation across iop32x, iop33x, and iop13xx * architecture specific details are handled in asm/arch/time.h * ARCH_IOP13XX now selects PLAT_IOP * as suggested by Lennert use ifdef CONFIG_XSCALE to skip the cp_wait on XSC3 Signed-off-by: Dan Williams Signed-off-by: Russell King --- include/asm-arm/hardware/iop3xx.h | 55 ++++++++++++++++++++++++++++++++------- 1 file changed, 45 insertions(+), 10 deletions(-) (limited to 'include/asm-arm/hardware') diff --git a/include/asm-arm/hardware/iop3xx.h b/include/asm-arm/hardware/iop3xx.h index 47fcbf6f52d..15141a9caca 100644 --- a/include/asm-arm/hardware/iop3xx.h +++ b/include/asm-arm/hardware/iop3xx.h @@ -188,14 +188,10 @@ extern void gpio_line_set(int line, int value); #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 +#define IOP_TMR_EN 0x02 +#define IOP_TMR_RELOAD 0x04 +#define IOP_TMR_PRIVILEGED 0x08 +#define IOP_TMR_RATIO_1_1 0x00 /* Application accelerator unit */ #define IOP3XX_AAU_ACR (volatile u32 *)IOP3XX_REG_ADDR(0x0800) @@ -276,9 +272,48 @@ extern void gpio_line_set(int line, int value); #ifndef __ASSEMBLY__ void iop3xx_map_io(void); -void iop3xx_init_time(unsigned long); -unsigned long iop3xx_gettimeoffset(void); void iop_init_cp6_handler(void); +void iop_init_time(unsigned long tickrate); +unsigned long iop_gettimeoffset(void); + +static inline void write_tmr0(u32 val) +{ + asm volatile("mcr p6, 0, %0, c0, c1, 0" : : "r" (val)); +} + +static inline void write_tmr1(u32 val) +{ + asm volatile("mcr p6, 0, %0, c1, c1, 0" : : "r" (val)); +} + +static inline u32 read_tcr0(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c2, c1, 0" : "=r" (val)); + return val; +} + +static inline u32 read_tcr1(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c3, c1, 0" : "=r" (val)); + return val; +} + +static inline void write_trr0(u32 val) +{ + asm volatile("mcr p6, 0, %0, c4, c1, 0" : : "r" (val)); +} + +static inline void write_trr1(u32 val) +{ + asm volatile("mcr p6, 0, %0, c5, c1, 0" : : "r" (val)); +} + +static inline void write_tisr(u32 val) +{ + asm volatile("mcr p6, 0, %0, c6, c1, 0" : : "r" (val)); +} extern struct platform_device iop3xx_i2c0_device; extern struct platform_device iop3xx_i2c1_device; -- cgit v1.2.3