diff options
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r-- | arch/arm/cpu/armv7/cpu.c | 2 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/exynos/pinmux.c | 27 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/start.S | 6 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/sunxi/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/sunxi/rsb.c | 22 | ||||
-rw-r--r-- | arch/arm/cpu/tegra20-common/pmu.c | 2 |
6 files changed, 45 insertions, 16 deletions
diff --git a/arch/arm/cpu/armv7/cpu.c b/arch/arm/cpu/armv7/cpu.c index 01cdb7ee76..c56417dd2f 100644 --- a/arch/arm/cpu/armv7/cpu.c +++ b/arch/arm/cpu/armv7/cpu.c @@ -53,7 +53,7 @@ int cleanup_before_linux(void) * After D-cache is flushed and before it is disabled there may * be some new valid entries brought into the cache. We are sure * that these lines are not dirty and will not affect our execution. - * (because unwinding the call-stack and setting a bit in CP15 SCTRL + * (because unwinding the call-stack and setting a bit in CP15 SCTLR * is all we did during this. We have not pushed anything on to the * stack. Neither have we affected any static data) * So just invalidate the entire d-cache again to avoid coherency diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c index 94d0297051..be43e224fa 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -266,22 +266,33 @@ static void exynos5_sromc_config(int flags) static void exynos5_i2c_config(int peripheral, int flags) { + int func01, func23; + + /* High-Speed I2C */ + if (flags & PINMUX_FLAG_HS_MODE) { + func01 = 4; + func23 = 4; + } else { + func01 = 2; + func23 = 3; + } + switch (peripheral) { case PERIPH_ID_I2C0: - gpio_cfg_pin(EXYNOS5_GPIO_B30, S5P_GPIO_FUNC(0x2)); - gpio_cfg_pin(EXYNOS5_GPIO_B31, S5P_GPIO_FUNC(0x2)); + gpio_cfg_pin(EXYNOS5_GPIO_B30, S5P_GPIO_FUNC(func01)); + gpio_cfg_pin(EXYNOS5_GPIO_B31, S5P_GPIO_FUNC(func01)); break; case PERIPH_ID_I2C1: - gpio_cfg_pin(EXYNOS5_GPIO_B32, S5P_GPIO_FUNC(0x2)); - gpio_cfg_pin(EXYNOS5_GPIO_B33, S5P_GPIO_FUNC(0x2)); + gpio_cfg_pin(EXYNOS5_GPIO_B32, S5P_GPIO_FUNC(func01)); + gpio_cfg_pin(EXYNOS5_GPIO_B33, S5P_GPIO_FUNC(func01)); break; case PERIPH_ID_I2C2: - gpio_cfg_pin(EXYNOS5_GPIO_A06, S5P_GPIO_FUNC(0x3)); - gpio_cfg_pin(EXYNOS5_GPIO_A07, S5P_GPIO_FUNC(0x3)); + gpio_cfg_pin(EXYNOS5_GPIO_A06, S5P_GPIO_FUNC(func23)); + gpio_cfg_pin(EXYNOS5_GPIO_A07, S5P_GPIO_FUNC(func23)); break; case PERIPH_ID_I2C3: - gpio_cfg_pin(EXYNOS5_GPIO_A12, S5P_GPIO_FUNC(0x3)); - gpio_cfg_pin(EXYNOS5_GPIO_A13, S5P_GPIO_FUNC(0x3)); + gpio_cfg_pin(EXYNOS5_GPIO_A12, S5P_GPIO_FUNC(func23)); + gpio_cfg_pin(EXYNOS5_GPIO_A13, S5P_GPIO_FUNC(func23)); break; case PERIPH_ID_I2C4: gpio_cfg_pin(EXYNOS5_GPIO_A20, S5P_GPIO_FUNC(0x3)); diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index fdc05b942f..70048c10ae 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -52,10 +52,10 @@ reset: * Continue to use ROM code vector only in OMAP4 spl) */ #if !(defined(CONFIG_OMAP44XX) && defined(CONFIG_SPL_BUILD)) - /* Set V=0 in CP15 SCTRL register - for VBAR to point to vector */ - mrc p15, 0, r0, c1, c0, 0 @ Read CP15 SCTRL Register + /* Set V=0 in CP15 SCTLR register - for VBAR to point to vector */ + mrc p15, 0, r0, c1, c0, 0 @ Read CP15 SCTLR Register bic r0, #CR_V @ V = 0 - mcr p15, 0, r0, c1, c0, 0 @ Write CP15 SCTRL Register + mcr p15, 0, r0, c1, c0, 0 @ Write CP15 SCTLR Register /* Set vector address in CP15 VBAR register */ ldr r0, =_start diff --git a/arch/arm/cpu/armv7/sunxi/Makefile b/arch/arm/cpu/armv7/sunxi/Makefile index 1c4b7633f9..48db7442f4 100644 --- a/arch/arm/cpu/armv7/sunxi/Makefile +++ b/arch/arm/cpu/armv7/sunxi/Makefile @@ -15,8 +15,10 @@ obj-y += pinmux.o obj-y += usbc.o obj-$(CONFIG_MACH_SUN6I) += prcm.o obj-$(CONFIG_MACH_SUN8I) += prcm.o +obj-$(CONFIG_MACH_SUN9I) += prcm.o obj-$(CONFIG_MACH_SUN6I) += p2wi.o obj-$(CONFIG_MACH_SUN8I) += rsb.o +obj-$(CONFIG_MACH_SUN9I) += rsb.o obj-$(CONFIG_MACH_SUN4I) += clock_sun4i.o obj-$(CONFIG_MACH_SUN5I) += clock_sun4i.o obj-$(CONFIG_MACH_SUN6I) += clock_sun6i.o diff --git a/arch/arm/cpu/armv7/sunxi/rsb.c b/arch/arm/cpu/armv7/sunxi/rsb.c index b72bb9db51..b00befb301 100644 --- a/arch/arm/cpu/armv7/sunxi/rsb.c +++ b/arch/arm/cpu/armv7/sunxi/rsb.c @@ -16,14 +16,27 @@ #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 sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_GPL0_R_RSB_SCK); sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_GPL1_R_RSB_SDA); sunxi_gpio_set_pull(SUNXI_GPL(0), 1); sunxi_gpio_set_pull(SUNXI_GPL(1), 1); sunxi_gpio_set_drv(SUNXI_GPL(0), 2); sunxi_gpio_set_drv(SUNXI_GPL(1), 2); +#elif defined CONFIG_MACH_SUN9I + sunxi_gpio_set_cfgpin(SUNXI_GPN(0), SUN9I_GPN0_R_RSB_SCK); + sunxi_gpio_set_cfgpin(SUNXI_GPN(1), SUN9I_GPN1_R_RSB_SDA); + sunxi_gpio_set_pull(SUNXI_GPN(0), 1); + sunxi_gpio_set_pull(SUNXI_GPN(1), 1); + sunxi_gpio_set_drv(SUNXI_GPN(0), 2); + sunxi_gpio_set_drv(SUNXI_GPN(1), 2); +#else +#error unsupported MACH_SUNXI +#endif } static void rsb_set_clk(void) @@ -42,7 +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; @@ -54,6 +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) @@ -88,13 +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/cpu/tegra20-common/pmu.c b/arch/arm/cpu/tegra20-common/pmu.c index 36a76a24d9..a774246a27 100644 --- a/arch/arm/cpu/tegra20-common/pmu.c +++ b/arch/arm/cpu/tegra20-common/pmu.c @@ -52,7 +52,7 @@ int pmu_set_nominal(void) debug("%s: Cannot find DVC I2C bus\n", __func__); return ret; } - ret = i2c_get_chip(bus, PMI_I2C_ADDRESS, &dev); + ret = i2c_get_chip(bus, PMI_I2C_ADDRESS, 1, &dev); if (ret) { debug("%s: Cannot find DVC I2C chip\n", __func__); return ret; |