diff options
| -rw-r--r-- | arch/arm/cpu/armv7/sunxi/rsb.c | 11 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/rsb.h | 4 | ||||
| -rw-r--r-- | drivers/power/axp221.c | 4 | ||||
| -rw-r--r-- | include/axp221.h | 1 |
4 files changed, 11 insertions, 9 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/rsb.c b/arch/arm/cpu/armv7/sunxi/rsb.c index 55e9433..b00befb 100644 --- a/arch/arm/cpu/armv7/sunxi/rsb.c +++ b/arch/arm/cpu/armv7/sunxi/rsb.c @@ -16,6 +16,8 @@ #include <asm/arch/prcm.h> #include <asm/arch/rsb.h> +static int rsb_set_device_mode(void); + static void rsb_cfg_io(void) { #ifdef CONFIG_MACH_SUN8I @@ -53,7 +55,7 @@ static void rsb_set_clk(void) writel((cd_odly << 8) | div, &rsb->ccr); } -void rsb_init(void) +int rsb_init(void) { struct sunxi_rsb_reg * const rsb = (struct sunxi_rsb_reg *)SUNXI_RSB_BASE; @@ -65,6 +67,8 @@ void rsb_init(void) writel(RSB_CTRL_SOFT_RST, &rsb->ctrl); rsb_set_clk(); + + return rsb_set_device_mode(); } static int rsb_await_trans(void) @@ -99,13 +103,14 @@ static int rsb_await_trans(void) return ret; } -int rsb_set_device_mode(u32 device_mode_data) +static int rsb_set_device_mode(void) { struct sunxi_rsb_reg * const rsb = (struct sunxi_rsb_reg *)SUNXI_RSB_BASE; unsigned long tmo = timer_get_us() + 1000000; - writel(RSB_DMCR_DEVICE_MODE_START | device_mode_data, &rsb->dmcr); + writel(RSB_DMCR_DEVICE_MODE_START | RSB_DMCR_DEVICE_MODE_DATA, + &rsb->dmcr); while (readl(&rsb->dmcr) & RSB_DMCR_DEVICE_MODE_START) { if (timer_get_us() > tmo) diff --git a/arch/arm/include/asm/arch-sunxi/rsb.h b/arch/arm/include/asm/arch-sunxi/rsb.h index 95a595a..a893466 100644 --- a/arch/arm/include/asm/arch-sunxi/rsb.h +++ b/arch/arm/include/asm/arch-sunxi/rsb.h @@ -37,6 +37,7 @@ struct sunxi_rsb_reg { #define RSB_STAT_TERR_INT (1 << 1) #define RSB_STAT_LBSY_INT (1 << 2) +#define RSB_DMCR_DEVICE_MODE_DATA 0x7c3e00 #define RSB_DMCR_DEVICE_MODE_START (1 << 31) #define RSB_CMD_BYTE_WRITE 0x4e @@ -46,8 +47,7 @@ struct sunxi_rsb_reg { #define RSB_DEVADDR_RUNTIME_ADDR(x) ((x) << 16) #define RSB_DEVADDR_DEVICE_ADDR(x) ((x) << 0) -void rsb_init(void); -int rsb_set_device_mode(u32 device_mode_data); +int rsb_init(void); int rsb_set_device_address(u16 device_addr, u16 runtime_addr); int rsb_write(const u16 runtime_device_addr, const u8 reg_addr, u8 data); int rsb_read(const u16 runtime_device_addr, const u8 reg_addr, u8 *data); diff --git a/drivers/power/axp221.c b/drivers/power/axp221.c index 58bbd45..3e07f23 100644 --- a/drivers/power/axp221.c +++ b/drivers/power/axp221.c @@ -29,9 +29,7 @@ static int pmic_bus_init(void) #else int ret; - rsb_init(); - - ret = rsb_set_device_mode(AXP223_DEVICE_MODE_DATA); + ret = rsb_init(); if (ret) return ret; diff --git a/include/axp221.h b/include/axp221.h index 6f24a61..a20e25c 100644 --- a/include/axp221.h +++ b/include/axp221.h @@ -12,7 +12,6 @@ #define AXP223_DEVICE_ADDR 0x3a3 #define AXP223_RUNTIME_ADDR 0x2d -#define AXP223_DEVICE_MODE_DATA 0x7c3e00 /* Page 0 addresses */ #define AXP221_CHIP_ID 0x03 |