diff options
Diffstat (limited to 'arch')
24 files changed, 276 insertions, 54 deletions
diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts index 1a12fb23767c..2aa13cb3bbed 100644 --- a/arch/arm/boot/dts/exynos4210-origen.dts +++ b/arch/arm/boot/dts/exynos4210-origen.dts @@ -313,7 +313,7 @@ display-timings { native-mode = <&timing0>; timing0: timing { - clock-frequency = <50000>; + clock-frequency = <47500000>; hactive = <1024>; vactive = <600>; hfront-porch = <64>; diff --git a/arch/arm/boot/dts/exynos4412-odroidx.dts b/arch/arm/boot/dts/exynos4412-odroidx.dts index 46c678ee119c..8aad5f72ced7 100644 --- a/arch/arm/boot/dts/exynos4412-odroidx.dts +++ b/arch/arm/boot/dts/exynos4412-odroidx.dts @@ -38,9 +38,7 @@ }; }; - mshc@12550000 { - #address-cells = <1>; - #size-cells = <0>; + mmc@12550000 { pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>; pinctrl-names = "default"; vmmc-supply = <&ldo20_reg &buck8_reg>; @@ -49,7 +47,6 @@ num-slots = <1>; supports-highspeed; broken-cd; - fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; samsung,dw-mshc-sdr-timing = <2 3>; diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts index d65984c440f6..6bc053924e9e 100644 --- a/arch/arm/boot/dts/exynos4412-origen.dts +++ b/arch/arm/boot/dts/exynos4412-origen.dts @@ -122,9 +122,7 @@ status = "okay"; }; - mshc@12550000 { - #address-cells = <1>; - #size-cells = <0>; + mmc@12550000 { pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>; pinctrl-names = "default"; status = "okay"; @@ -132,7 +130,6 @@ num-slots = <1>; supports-highspeed; broken-cd; - fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; samsung,dw-mshc-sdr-timing = <2 3>; @@ -159,7 +156,7 @@ display-timings { native-mode = <&timing0>; timing0: timing { - clock-frequency = <50000>; + clock-frequency = <47500000>; hactive = <1024>; vactive = <600>; hfront-porch = <64>; diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts index fb7b9ae5f399..890ad275cb85 100644 --- a/arch/arm/boot/dts/exynos4412-trats2.dts +++ b/arch/arm/boot/dts/exynos4412-trats2.dts @@ -442,13 +442,25 @@ }; }; - sdhci@12510000 { - bus-width = <8>; + mmc@12550000 { + num-slots = <1>; + supports-highspeed; + broken-cd; non-removable; - pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus8>; - pinctrl-names = "default"; + card-detect-delay = <200>; vmmc-supply = <&vemmc_reg>; + clock-frequency = <400000000>; + samsung,dw-mshc-ciu-div = <0>; + samsung,dw-mshc-sdr-timing = <2 3>; + samsung,dw-mshc-ddr-timing = <1 2>; + pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>; + pinctrl-names = "default"; status = "okay"; + + slot@0 { + reg = <0>; + bus-width = <8>; + }; }; serial@13800000 { diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi index e743e677a9e2..85812bd95a86 100644 --- a/arch/arm/boot/dts/exynos4412.dtsi +++ b/arch/arm/boot/dts/exynos4412.dtsi @@ -61,11 +61,4 @@ }; }; - mshc@12550000 { - compatible = "samsung,exynos4412-dw-mshc"; - reg = <0x12550000 0x1000>; - interrupts = <0 77 0>; - #address-cells = <1>; - #size-cells = <0>; - }; }; diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi index ad531fe6ab95..1917c829e64e 100644 --- a/arch/arm/boot/dts/exynos4x12.dtsi +++ b/arch/arm/boot/dts/exynos4x12.dtsi @@ -28,6 +28,7 @@ pinctrl3 = &pinctrl_3; fimc-lite0 = &fimc_lite_0; fimc-lite1 = &fimc_lite_1; + mshc0 = &mshc_0; }; pd_isp: isp-power-domain@10023CA0 { @@ -176,4 +177,16 @@ }; }; }; + + mshc_0: mmc@12550000 { + compatible = "samsung,exynos4412-dw-mshc"; + reg = <0x12550000 0x1000>; + interrupts = <0 77 0>; + #address-cells = <1>; + #size-cells = <0>; + fifo-depth = <0x80>; + clocks = <&clock 301>, <&clock 149>; + clock-names = "biu", "ciu"; + status = "disabled"; + }; }; diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts index 684527087aa4..bbfb23f942e1 100644 --- a/arch/arm/boot/dts/exynos5250-arndale.dts +++ b/arch/arm/boot/dts/exynos5250-arndale.dts @@ -302,11 +302,13 @@ buck7_reg: BUCK7 { regulator-name = "PVDD_BUCK7"; regulator-always-on; + op_mode = <1>; }; buck8_reg: BUCK8 { regulator-name = "PVDD_BUCK8"; regulator-always-on; + op_mode = <1>; }; buck9_reg: BUCK9 { diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts index fd711e245e8d..c65f52a6dcea 100644 --- a/arch/arm/boot/dts/exynos5250-snow.dts +++ b/arch/arm/boot/dts/exynos5250-snow.dts @@ -85,7 +85,7 @@ keypad,num-rows = <8>; keypad,num-columns = <13>; google,needs-ghost-filter; - linux,keymap = <0x0001003a /* CAPSLK */ + linux,keymap = <0x0001007d /* L_META */ 0x0002003b /* F1 */ 0x00030030 /* B */ 0x00040044 /* F10 */ @@ -130,6 +130,7 @@ 0x04060024 /* J */ 0x04080027 /* ; */ 0x04090026 /* L */ + 0x040a002b /* \ */ 0x040b001c /* ENTER */ 0x0501002c /* Z */ diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 9db5047812f3..d871e6241d8a 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -60,11 +60,13 @@ device_type = "cpu"; compatible = "arm,cortex-a15"; reg = <0>; + clock-frequency = <1700000000>; }; cpu@1 { device_type = "cpu"; compatible = "arm,cortex-a15"; reg = <1>; + clock-frequency = <1700000000>; }; }; diff --git a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi index e695aba5f73c..e62c8eb57438 100644 --- a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi @@ -64,7 +64,7 @@ samsung,pins = "gpx0-7"; samsung,pin-function = <3>; samsung,pin-pud = <0>; - samaung,pin-drv = <0>; + samsung,pin-drv = <0>; }; }; diff --git a/arch/arm/boot/dts/qcom-msm8660-surf.dts b/arch/arm/boot/dts/qcom-msm8660-surf.dts index 386d42870215..1187185cf25b 100644 --- a/arch/arm/boot/dts/qcom-msm8660-surf.dts +++ b/arch/arm/boot/dts/qcom-msm8660-surf.dts @@ -28,11 +28,11 @@ msmgpio: gpio@800000 { compatible = "qcom,msm-gpio"; - reg = <0x00800000 0x1000>; + reg = <0x00800000 0x4000>; gpio-controller; #gpio-cells = <2>; ngpio = <173>; - interrupts = <0 32 0x4>; + interrupts = <0 16 0x4>; interrupt-controller; #interrupt-cells = <2>; }; diff --git a/arch/arm/boot/dts/qcom-msm8960-cdp.dts b/arch/arm/boot/dts/qcom-msm8960-cdp.dts index 93e9f7e0b7ad..6ccbac77931e 100644 --- a/arch/arm/boot/dts/qcom-msm8960-cdp.dts +++ b/arch/arm/boot/dts/qcom-msm8960-cdp.dts @@ -31,7 +31,7 @@ gpio-controller; #gpio-cells = <2>; ngpio = <150>; - interrupts = <0 32 0x4>; + interrupts = <0 16 0x4>; interrupt-controller; #interrupt-cells = <2>; reg = <0x800000 0x4000>; diff --git a/arch/arm/boot/dts/ste-u300.dts b/arch/arm/boot/dts/ste-u300.dts index 8a1032c1ffc9..a9da4800daf0 100644 --- a/arch/arm/boot/dts/ste-u300.dts +++ b/arch/arm/boot/dts/ste-u300.dts @@ -307,7 +307,7 @@ clocks = <&i2c0_clk>; #address-cells = <1>; #size-cells = <0>; - ab3100: ab3100@0x48 { + ab3100: ab3100@48 { compatible = "stericsson,ab3100"; reg = <0x48>; interrupt-parent = <&vica>; @@ -385,10 +385,10 @@ clocks = <&i2c1_clk>; #address-cells = <1>; #size-cells = <0>; - fwcam0: fwcam@0x10 { + fwcam0: fwcam@10 { reg = <0x10>; }; - fwcam1: fwcam@0x5d { + fwcam1: fwcam@5d { reg = <0x5d>; }; }; diff --git a/arch/arm/mach-at91/sam9_smc.c b/arch/arm/mach-at91/sam9_smc.c index 99a0a1d2b7dc..b26156bf15db 100644 --- a/arch/arm/mach-at91/sam9_smc.c +++ b/arch/arm/mach-at91/sam9_smc.c @@ -101,7 +101,7 @@ static void sam9_smc_cs_read(void __iomem *base, /* Pulse register */ val = __raw_readl(base + AT91_SMC_PULSE); - config->nwe_setup = val & AT91_SMC_NWEPULSE; + config->nwe_pulse = val & AT91_SMC_NWEPULSE; config->ncs_write_pulse = (val & AT91_SMC_NCS_WRPULSE) >> 8; config->nrd_pulse = (val & AT91_SMC_NRDPULSE) >> 16; config->ncs_read_pulse = (val & AT91_SMC_NCS_RDPULSE) >> 24; diff --git a/arch/arm/mach-bcm2835/Kconfig b/arch/arm/mach-bcm2835/Kconfig index 560045cafc34..d1f9612f8c15 100644 --- a/arch/arm/mach-bcm2835/Kconfig +++ b/arch/arm/mach-bcm2835/Kconfig @@ -12,4 +12,4 @@ config ARCH_BCM2835 select PINCTRL_BCM2835 help This enables support for the Broadcom BCM2835 SoC. This SoC is - use in the Raspberry Pi, and Roku 2 devices. + used in the Raspberry Pi and Roku 2 devices. diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c index ccf6621bc664..015d544aa017 100644 --- a/arch/arm/mach-msm/board-trout.c +++ b/arch/arm/mach-msm/board-trout.c @@ -13,6 +13,7 @@ * GNU General Public License for more details. * */ +#define pr_fmt(fmt) "%s: " fmt, __func__ #include <linux/kernel.h> #include <linux/init.h> @@ -68,12 +69,11 @@ static void __init trout_init(void) platform_add_devices(devices, ARRAY_SIZE(devices)); -#ifdef CONFIG_MMC - rc = trout_init_mmc(system_rev); - if (rc) - printk(KERN_CRIT "%s: MMC init failure (%d)\n", __func__, rc); -#endif - + if (IS_ENABLED(CONFIG_MMC)) { + rc = trout_init_mmc(system_rev); + if (rc) + pr_crit("MMC init failure (%d)\n", rc); + } } static struct map_desc trout_io_desc[] __initdata = { diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile index 2d04f0e21870..878aebe98dcc 100644 --- a/arch/arm/mach-mvebu/Makefile +++ b/arch/arm/mach-mvebu/Makefile @@ -3,7 +3,7 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \ AFLAGS_coherency_ll.o := -Wa,-march=armv7-a -obj-y += system-controller.o +obj-y += system-controller.o mvebu-soc-id.o obj-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-xp.o obj-$(CONFIG_ARCH_MVEBU) += coherency.o coherency_ll.o pmsu.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c index e2acff98e750..f6c9d1d85c14 100644 --- a/arch/arm/mach-mvebu/armada-370-xp.c +++ b/arch/arm/mach-mvebu/armada-370-xp.c @@ -21,6 +21,7 @@ #include <linux/clocksource.h> #include <linux/dma-mapping.h> #include <linux/mbus.h> +#include <linux/slab.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -28,6 +29,7 @@ #include "armada-370-xp.h" #include "common.h" #include "coherency.h" +#include "mvebu-soc-id.h" static void __init armada_370_xp_map_io(void) { @@ -45,8 +47,38 @@ static void __init armada_370_xp_timer_and_clk_init(void) #endif } +static void __init i2c_quirk(void) +{ + struct device_node *np; + u32 dev, rev; + + /* + * Only revisons more recent than A0 support the offload + * mechanism. We can exit only if we are sure that we can + * get the SoC revision and it is more recent than A0. + */ + if (mvebu_get_soc_id(&rev, &dev) == 0 && dev > MV78XX0_A0_REV) + return; + + for_each_compatible_node(np, NULL, "marvell,mv78230-i2c") { + struct property *new_compat; + + new_compat = kzalloc(sizeof(*new_compat), GFP_KERNEL); + + new_compat->name = kstrdup("compatible", GFP_KERNEL); + new_compat->length = sizeof("marvell,mv78230-a0-i2c"); + new_compat->value = kstrdup("marvell,mv78230-a0-i2c", + GFP_KERNEL); + + of_update_property(np, new_compat); + } + return; +} + static void __init armada_370_xp_dt_init(void) { + if (of_machine_is_compatible("plathome,openblocks-ax3-4")) + i2c_quirk(); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } diff --git a/arch/arm/mach-mvebu/mvebu-soc-id.c b/arch/arm/mach-mvebu/mvebu-soc-id.c new file mode 100644 index 000000000000..fe4fc1cbdfaf --- /dev/null +++ b/arch/arm/mach-mvebu/mvebu-soc-id.c @@ -0,0 +1,119 @@ +/* + * ID and revision information for mvebu SoCs + * + * Copyright (C) 2014 Marvell + * + * Gregory CLEMENT <gregory.clement@free-electrons.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + * + * All the mvebu SoCs have information related to their variant and + * revision that can be read from the PCI control register. This is + * done before the PCI initialization to avoid any conflict. Once the + * ID and revision are retrieved, the mapping is freed. + */ + +#define pr_fmt(fmt) "mvebu-soc-id: " fmt + +#include <linux/clk.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include "mvebu-soc-id.h" + +#define PCIE_DEV_ID_OFF 0x0 +#define PCIE_DEV_REV_OFF 0x8 + +#define SOC_ID_MASK 0xFFFF0000 +#define SOC_REV_MASK 0xFF + +static u32 soc_dev_id; +static u32 soc_rev; +static bool is_id_valid; + +static const struct of_device_id mvebu_pcie_of_match_table[] = { + { .compatible = "marvell,armada-xp-pcie", }, + { .compatible = "marvell,armada-370-pcie", }, + {}, +}; + +int mvebu_get_soc_id(u32 *dev, u32 *rev) +{ + if (is_id_valid) { + *dev = soc_dev_id; + *rev = soc_rev; + return 0; + } else + return -1; +} + +static int __init mvebu_soc_id_init(void) +{ + struct device_node *np; + int ret = 0; + void __iomem *pci_base; + struct clk *clk; + struct device_node *child; + + np = of_find_matching_node(NULL, mvebu_pcie_of_match_table); + if (!np) + return ret; + + /* + * ID and revision are available from any port, so we + * just pick the first one + */ + child = of_get_next_child(np, NULL); + if (child == NULL) { + pr_err("cannot get pci node\n"); + ret = -ENOMEM; + goto clk_err; + } + + clk = of_clk_get_by_name(child, NULL); + if (IS_ERR(clk)) { + pr_err("cannot get clock\n"); + ret = -ENOMEM; + goto clk_err; + } + + ret = clk_prepare_enable(clk); + if (ret) { + pr_err("cannot enable clock\n"); + goto clk_err; + } + + pci_base = of_iomap(child, 0); + if (IS_ERR(pci_base)) { + pr_err("cannot map registers\n"); + ret = -ENOMEM; + goto res_ioremap; + } + + /* SoC ID */ + soc_dev_id = readl(pci_base + PCIE_DEV_ID_OFF) >> 16; + + /* SoC revision */ + soc_rev = readl(pci_base + PCIE_DEV_REV_OFF) & SOC_REV_MASK; + + is_id_valid = true; + + pr_info("MVEBU SoC ID=0x%X, Rev=0x%X\n", soc_dev_id, soc_rev); + + iounmap(pci_base); + +res_ioremap: + clk_disable_unprepare(clk); + +clk_err: + of_node_put(child); + of_node_put(np); + + return ret; +} +core_initcall(mvebu_soc_id_init); + diff --git a/arch/arm/mach-mvebu/mvebu-soc-id.h b/arch/arm/mach-mvebu/mvebu-soc-id.h new file mode 100644 index 000000000000..31654252fe35 --- /dev/null +++ b/arch/arm/mach-mvebu/mvebu-soc-id.h @@ -0,0 +1,32 @@ +/* + * Marvell EBU SoC ID and revision definitions. + * + * Copyright (C) 2014 Marvell Semiconductor + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __LINUX_MVEBU_SOC_ID_H +#define __LINUX_MVEBU_SOC_ID_H + +/* Armada XP ID */ +#define MV78230_DEV_ID 0x7823 +#define MV78260_DEV_ID 0x7826 +#define MV78460_DEV_ID 0x7846 + +/* Armada XP Revision */ +#define MV78XX0_A0_REV 0x1 +#define MV78XX0_B0_REV 0x2 + +#ifdef CONFIG_ARCH_MVEBU +int mvebu_get_soc_id(u32 *dev, u32 *rev); +#else +static inline int mvebu_get_soc_id(u32 *dev, u32 *rev) +{ + return -1; +} +#endif + +#endif /* __LINUX_MVEBU_SOC_ID_H */ diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c index 58d46a3d7b78..97ae4703cb78 100644 --- a/arch/arm/mach-s3c64xx/mach-mini6410.c +++ b/arch/arm/mach-s3c64xx/mach-mini6410.c @@ -36,7 +36,9 @@ #include <plat/devs.h> #include <plat/fb.h> #include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/mmc-sdhci-s3c.h> #include <plat/regs-serial.h> +#include <plat/sdhci.h> #include <linux/platform_data/touchscreen-s3c2410.h> #include <video/platform_lcd.h> @@ -214,6 +216,13 @@ static struct platform_device mini6410_lcd_powerdev = { .dev.platform_data = &mini6410_lcd_power_data, }; +static struct s3c_sdhci_platdata mini6410_hsmmc1_pdata = { + .max_width = 4, + .cd_type = S3C_SDHCI_CD_GPIO, + .ext_cd_gpio = S3C64XX_GPN(10), + .ext_cd_gpio_invert = true, +}; + static struct platform_device *mini6410_devices[] __initdata = { &mini6410_device_eth, &s3c_device_hsmmc0, @@ -321,6 +330,7 @@ static void __init mini6410_machine_init(void) s3c_nand_set_platdata(&mini6410_nand_info); s3c_fb_set_platdata(&mini6410_lcd_pdata[features.lcd_index]); + s3c_sdhci1_set_platdata(&mini6410_hsmmc1_pdata); s3c24xx_ts_set_platdata(NULL); /* configure nCS1 width to 16 bits */ diff --git a/arch/arm/mach-u300/regulator.c b/arch/arm/mach-u300/regulator.c index bf40cd478fe9..0493a845b6bc 100644 --- a/arch/arm/mach-u300/regulator.c +++ b/arch/arm/mach-u300/regulator.c @@ -69,9 +69,9 @@ static int __init __u300_init_boardpower(struct platform_device *pdev) return -ENODEV; } regmap = syscon_node_to_regmap(syscon_np); - if (!regmap) { + if (IS_ERR(regmap)) { pr_crit("U300: could not locate syscon regmap\n"); - return -ENODEV; + return PTR_ERR(regmap); } main_power_15 = regulator_get(&pdev->dev, "vana15"); diff --git a/arch/arm/mach-u300/timer.c b/arch/arm/mach-u300/timer.c index 9a5f9fb352ce..5226162fac69 100644 --- a/arch/arm/mach-u300/timer.c +++ b/arch/arm/mach-u300/timer.c @@ -184,11 +184,13 @@ #define U300_TIMER_APP_CRC (0x100) #define U300_TIMER_APP_CRC_CLOCK_REQUEST_ENABLE (0x00000001) -#define TICKS_PER_JIFFY ((CLOCK_TICK_RATE + (HZ/2)) / HZ) -#define US_PER_TICK ((1000000 + (HZ/2)) / HZ) - static void __iomem *u300_timer_base; +struct u300_clockevent_data { + struct clock_event_device cevd; + unsigned ticks_per_jiffy; +}; + /* * The u300_set_mode() function is always called first, if we * have oneshot timer active, the oneshot scheduling function @@ -197,6 +199,9 @@ static void __iomem *u300_timer_base; static void u300_set_mode(enum clock_event_mode mode, struct clock_event_device *evt) { + struct u300_clockevent_data *cevdata = + container_of(evt, struct u300_clockevent_data, cevd); + switch (mode) { case CLOCK_EVT_MODE_PERIODIC: /* Disable interrupts on GPT1 */ @@ -209,7 +214,7 @@ static void u300_set_mode(enum clock_event_mode mode, * Set the periodic mode to a certain number of ticks per * jiffy. */ - writel(TICKS_PER_JIFFY, + writel(cevdata->ticks_per_jiffy, u300_timer_base + U300_TIMER_APP_GPT1TC); /* * Set continuous mode, so the timer keeps triggering @@ -305,20 +310,23 @@ static int u300_set_next_event(unsigned long cycles, return 0; } - -/* Use general purpose timer 1 as clock event */ -static struct clock_event_device clockevent_u300_1mhz = { - .name = "GPT1", - .rating = 300, /* Reasonably fast and accurate clock event */ - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, - .set_next_event = u300_set_next_event, - .set_mode = u300_set_mode, +static struct u300_clockevent_data u300_clockevent_data = { + /* Use general purpose timer 1 as clock event */ + .cevd = { + .name = "GPT1", + /* Reasonably fast and accurate clock event */ + .rating = 300, + .features = CLOCK_EVT_FEAT_PERIODIC | + CLOCK_EVT_FEAT_ONESHOT, + .set_next_event = u300_set_next_event, + .set_mode = u300_set_mode, + }, }; /* Clock event timer interrupt handler */ static irqreturn_t u300_timer_interrupt(int irq, void *dev_id) { - struct clock_event_device *evt = &clockevent_u300_1mhz; + struct clock_event_device *evt = &u300_clockevent_data.cevd; /* ACK/Clear timer IRQ for the APP GPT1 Timer */ writel(U300_TIMER_APP_GPT1IA_IRQ_ACK, @@ -379,6 +387,8 @@ static void __init u300_timer_init_of(struct device_node *np) clk_prepare_enable(clk); rate = clk_get_rate(clk); + u300_clockevent_data.ticks_per_jiffy = DIV_ROUND_CLOSEST(rate, HZ); + setup_sched_clock(u300_read_sched_clock, 32, rate); u300_delay_timer.read_current_timer = &u300_read_current_timer; @@ -428,7 +438,7 @@ static void __init u300_timer_init_of(struct device_node *np) pr_err("timer: failed to initialize U300 clock source\n"); /* Configure and register the clockevent */ - clockevents_config_and_register(&clockevent_u300_1mhz, rate, + clockevents_config_and_register(&u300_clockevent_data.cevd, rate, 1, 0xffffffff); /* diff --git a/arch/arm/plat-samsung/include/plat/uncompress.h b/arch/arm/plat-samsung/include/plat/uncompress.h index 4afc32f90b6d..f48dc0a4736c 100644 --- a/arch/arm/plat-samsung/include/plat/uncompress.h +++ b/arch/arm/plat-samsung/include/plat/uncompress.h @@ -145,6 +145,8 @@ static inline void arch_enable_uart_fifo(void) if (!(fifocon & S3C2410_UFCON_RESETBOTH)) break; } + + uart_wr(S3C2410_UFCON, S3C2410_UFCON_FIFOMODE); } } #else |