diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-05 18:21:21 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-05 18:21:21 -0700 |
commit | c861cd3e92d92ae946e19099f198018fcb4fd887 (patch) | |
tree | fab678a30a85cf80038c560221d6ab01812a3891 /arch | |
parent | 7abec10c623d9e0416dab6919a0ea22e6283516b (diff) | |
parent | b8bc83971cc20cae3c3b65c26a804f350d74960c (diff) |
Merge branch 'next/devel2' of git://git.linaro.org/people/arnd/arm-soc
* 'next/devel2' of git://git.linaro.org/people/arnd/arm-soc: (30 commits)
ARM: mmp: register internal sram bank
ARM: mmp: register audio sram bank
ARM: mmp: add sram allocator
gpio/samsung: Complain loudly if we don't know the SoC
ARM: S3C64XX: Fix SoC identification for S3C64xx devices
ARM: S3C2443: Remove redundant s3c_register_clocks call for init_clocks
ARM: S3C24XX: Add devname for hsmmc1 pclk
ARM: S3C24XX: use clk_get_rate to init fclk in common_setup_clocks
ARM: S3C2443: Accommodate cpufreq frequency scheme in armdiv
ARM: S3C2443: handle unset armdiv values gracefully
ARM: S3C2443: Add get_rate operation for clk_armdiv
ARM: S3C2416: Add comment describing the armdiv/armclk
ARM: S3C2443: Move clk_arm and clk_armdiv to common code
ARM: S3C24XX: Add infrastructure to transmit armdiv to common code
ARM: S3C2416: Add armdiv_mask constant
ARM: EXYNOS4: Add support for M-5MOLS camera on Nuri board
ARM: EXYNOS4: Enable MFC on ORIGEN
ARM: SAMSUNG: Add support s3c2416-adc for S3C2416/S3C2450
ARM: SAMSUNG: Add support s3c2443-adc for S3C2443
ARM: SAMSUNG: Allow overriding of adc device name for S3C24XX
...
Diffstat (limited to 'arch')
22 files changed, 615 insertions, 141 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e17fe2503bb..2bda424c1b2 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -595,6 +595,7 @@ config ARCH_MMP select TICK_ONESHOT select PLAT_PXA select SPARSE_IRQ + select GENERIC_ALLOCATOR help Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line. @@ -769,6 +770,7 @@ config ARCH_S3C64XX select CPU_V6 select ARM_VIC select HAVE_CLK + select HAVE_TCM select CLKDEV_LOOKUP select NO_IOPORT select ARCH_USES_GETTIMEOFFSET diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index 59299ea5b2f..51cff04795d 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -217,6 +217,7 @@ config MACH_UNIVERSAL_C210 config MACH_NURI bool "Mobile NURI Board" select CPU_EXYNOS4210 + select S5P_GPIO_INT select S3C_DEV_WDT select S3C_DEV_RTC select S5P_DEV_FIMD0 @@ -226,15 +227,23 @@ config MACH_NURI select S3C_DEV_I2C1 select S3C_DEV_I2C3 select S3C_DEV_I2C5 + select S5P_DEV_CSIS0 + select S5P_DEV_FIMC0 + select S5P_DEV_FIMC1 + select S5P_DEV_FIMC2 + select S5P_DEV_FIMC3 select S5P_DEV_MFC select S5P_DEV_USB_EHCI + select S5P_SETUP_MIPIPHY select EXYNOS4_DEV_PD + select EXYNOS4_SETUP_FIMC select EXYNOS4_SETUP_FIMD0 select EXYNOS4_SETUP_I2C1 select EXYNOS4_SETUP_I2C3 select EXYNOS4_SETUP_I2C5 select EXYNOS4_SETUP_SDHCI select EXYNOS4_SETUP_USB_PHY + select S5P_SETUP_MIPIPHY select SAMSUNG_DEV_PWM select SAMSUNG_DEV_ADC help @@ -253,11 +262,12 @@ config MACH_ORIGEN select S5P_DEV_FIMC3 select S5P_DEV_FIMD0 select S5P_DEV_I2C_HDMIPHY + select S5P_DEV_MFC select S5P_DEV_TV select S5P_DEV_USB_EHCI - select EXYNOS4_DEV_PD select SAMSUNG_DEV_BACKLIGHT select SAMSUNG_DEV_PWM + select EXYNOS4_DEV_PD select EXYNOS4_SETUP_FIMD0 select EXYNOS4_SETUP_SDHCI select EXYNOS4_SETUP_USB_PHY diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c index 2204911a24e..236bbe18716 100644 --- a/arch/arm/mach-exynos4/mach-nuri.c +++ b/arch/arm/mach-exynos4/mach-nuri.c @@ -27,6 +27,9 @@ #include <linux/pwm_backlight.h> #include <video/platform_lcd.h> +#include <media/m5mols.h> +#include <media/s5p_fimc.h> +#include <media/v4l2-mediabus.h> #include <asm/mach/arch.h> #include <asm/mach-types.h> @@ -45,6 +48,9 @@ #include <plat/iic.h> #include <plat/mfc.h> #include <plat/pd.h> +#include <plat/fimc-core.h> +#include <plat/camport.h> +#include <plat/mipi_csis.h> #include <mach/map.h> @@ -65,6 +71,8 @@ enum fixed_regulator_id { FIXED_REG_ID_MMC = 0, FIXED_REG_ID_MAX8903, + FIXED_REG_ID_CAM_A28V, + FIXED_REG_ID_CAM_12V, }; static struct s3c2410_uartcfg nuri_uartcfgs[] __initdata = { @@ -1066,13 +1074,6 @@ static struct platform_device nuri_max8903_device = { }, }; -static struct device *nuri_cm_devices[] = { - &s3c_device_i2c5.dev, - &s3c_device_adc.dev, - NULL, /* Reserved for UART */ - NULL, -}; - static void __init nuri_power_init(void) { int gpio; @@ -1117,10 +1118,140 @@ static void __init nuri_ehci_init(void) s5p_ehci_set_platdata(pdata); } +/* CAMERA */ +static struct regulator_consumer_supply cam_vdda_supply[] = { + REGULATOR_SUPPLY("a_sensor", "0-001f"), +}; + +static struct regulator_init_data cam_vdda_reg_init_data = { + .constraints = { .valid_ops_mask = REGULATOR_CHANGE_STATUS }, + .num_consumer_supplies = ARRAY_SIZE(cam_vdda_supply), + .consumer_supplies = cam_vdda_supply, +}; + +static struct fixed_voltage_config cam_vdda_fixed_voltage_cfg = { + .supply_name = "CAM_IO_EN", + .microvolts = 2800000, + .gpio = EXYNOS4_GPE2(1), /* CAM_IO_EN */ + .enable_high = 1, + .init_data = &cam_vdda_reg_init_data, +}; + +static struct platform_device cam_vdda_fixed_rdev = { + .name = "reg-fixed-voltage", .id = FIXED_REG_ID_CAM_A28V, + .dev = { .platform_data = &cam_vdda_fixed_voltage_cfg }, +}; + +static struct regulator_consumer_supply camera_8m_12v_supply = + REGULATOR_SUPPLY("dig_12", "0-001f"); + +static struct regulator_init_data cam_8m_12v_reg_init_data = { + .num_consumer_supplies = 1, + .consumer_supplies = &camera_8m_12v_supply, + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS + }, +}; + +static struct fixed_voltage_config cam_8m_12v_fixed_voltage_cfg = { + .supply_name = "8M_1.2V", + .microvolts = 1200000, + .gpio = EXYNOS4_GPE2(5), /* 8M_1.2V_EN */ + .enable_high = 1, + .init_data = &cam_8m_12v_reg_init_data, +}; + +static struct platform_device cam_8m_12v_fixed_rdev = { + .name = "reg-fixed-voltage", .id = FIXED_REG_ID_CAM_12V, + .dev = { .platform_data = &cam_8m_12v_fixed_voltage_cfg }, +}; + +static struct s5p_platform_mipi_csis mipi_csis_platdata = { + .clk_rate = 166000000UL, + .lanes = 2, + .alignment = 32, + .hs_settle = 12, + .phy_enable = s5p_csis_phy_enable, +}; + +#define GPIO_CAM_MEGA_RST EXYNOS4_GPY3(7) /* ISP_RESET */ +#define GPIO_CAM_8M_ISP_INT EXYNOS4_GPL2(5) + +static struct m5mols_platform_data m5mols_platdata = { + .gpio_reset = GPIO_CAM_MEGA_RST, +}; + +static struct i2c_board_info m5mols_board_info = { + I2C_BOARD_INFO("M5MOLS", 0x1F), + .platform_data = &m5mols_platdata, +}; + +static struct s5p_fimc_isp_info nuri_camera_sensors[] = { + { + .flags = V4L2_MBUS_PCLK_SAMPLE_FALLING | + V4L2_MBUS_VSYNC_ACTIVE_LOW, + .bus_type = FIMC_MIPI_CSI2, + .board_info = &m5mols_board_info, + .clk_frequency = 24000000UL, + .csi_data_align = 32, + }, +}; + +static struct s5p_platform_fimc fimc_md_platdata = { + .isp_info = nuri_camera_sensors, + .num_clients = ARRAY_SIZE(nuri_camera_sensors), +}; + +static struct gpio nuri_camera_gpios[] = { + { GPIO_CAM_8M_ISP_INT, GPIOF_IN, "8M_ISP_INT" }, + { GPIO_CAM_MEGA_RST, GPIOF_OUT_INIT_LOW, "CAM_8M_NRST" }, +}; + +static void nuri_camera_init(void) +{ + s3c_set_platdata(&mipi_csis_platdata, sizeof(mipi_csis_platdata), + &s5p_device_mipi_csis0); + s3c_set_platdata(&fimc_md_platdata, sizeof(fimc_md_platdata), + &s5p_device_fimc_md); + + if (gpio_request_array(nuri_camera_gpios, + ARRAY_SIZE(nuri_camera_gpios))) { + pr_err("%s: GPIO request failed\n", __func__); + return; + } + + m5mols_board_info.irq = s5p_register_gpio_interrupt(GPIO_CAM_8M_ISP_INT); + if (!IS_ERR_VALUE(m5mols_board_info.irq)) + s3c_gpio_cfgpin(GPIO_CAM_8M_ISP_INT, S3C_GPIO_SFN(0xF)); + else + pr_err("%s: Failed to configure 8M_ISP_INT GPIO\n", __func__); + + /* Free GPIOs controlled directly by the sensor drivers. */ + gpio_free(GPIO_CAM_MEGA_RST); + + if (exynos4_fimc_setup_gpio(S5P_CAMPORT_A)) { + pr_err("%s: Camera port A setup failed\n", __func__); + return; + } + /* Increase drive strength of the sensor clock output */ + s5p_gpio_set_drvstr(EXYNOS4_GPJ1(3), S5P_GPIO_DRVSTR_LV4); +} + +static struct s3c2410_platform_i2c nuri_i2c0_platdata __initdata = { + .frequency = 400000U, + .sda_delay = 200, +}; + static struct platform_device *nuri_devices[] __initdata = { /* Samsung Platform Devices */ &s3c_device_i2c5, /* PMIC should initialize first */ + &s3c_device_i2c0, &emmc_fixed_voltage, + &s5p_device_mipi_csis0, + &s5p_device_fimc0, + &s5p_device_fimc1, + &s5p_device_fimc2, + &s5p_device_fimc3, &s5p_device_fimd0, &s3c_device_hsmmc0, &s3c_device_hsmmc2, @@ -1137,6 +1268,8 @@ static struct platform_device *nuri_devices[] __initdata = { &s5p_device_mfc_r, &exynos4_device_pd[PD_MFC], &exynos4_device_pd[PD_LCD0], + &exynos4_device_pd[PD_CAM], + &s5p_device_fimc_md, /* NURI Devices */ &nuri_gpio_keys, @@ -1144,6 +1277,8 @@ static struct platform_device *nuri_devices[] __initdata = { &nuri_backlight_device, &max8903_fixed_reg_dev, &nuri_max8903_device, + &cam_vdda_fixed_rdev, + &cam_8m_12v_fixed_rdev, }; static void __init nuri_map_io(void) @@ -1164,6 +1299,7 @@ static void __init nuri_machine_init(void) nuri_tsp_init(); nuri_power_init(); + s3c_i2c0_set_platdata(&nuri_i2c0_platdata); i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs)); s3c_i2c3_set_platdata(&i2c3_data); i2c_register_board_info(3, i2c3_devs, ARRAY_SIZE(i2c3_devs)); @@ -1175,6 +1311,8 @@ static void __init nuri_machine_init(void) s5p_fimd0_set_platdata(&nuri_fb_pdata); + nuri_camera_init(); + nuri_ehci_init(); clk_xusbxti.rate = 24000000; @@ -1182,6 +1320,12 @@ static void __init nuri_machine_init(void) platform_add_devices(nuri_devices, ARRAY_SIZE(nuri_devices)); s5p_device_mfc.dev.parent = &exynos4_device_pd[PD_MFC].dev; s5p_device_fimd0.dev.parent = &exynos4_device_pd[PD_LCD0].dev; + + s5p_device_fimc0.dev.parent = &exynos4_device_pd[PD_CAM].dev; + s5p_device_fimc1.dev.parent = &exynos4_device_pd[PD_CAM].dev; + s5p_device_fimc2.dev.parent = &exynos4_device_pd[PD_CAM].dev; + s5p_device_fimc3.dev.parent = &exynos4_device_pd[PD_CAM].dev; + s5p_device_mipi_csis0.dev.parent = &exynos4_device_pd[PD_CAM].dev; } MACHINE_START(NURI, "NURI") diff --git a/arch/arm/mach-exynos4/mach-origen.c b/arch/arm/mach-exynos4/mach-origen.c index 71db8480bb5..f80b563f2be 100644 --- a/arch/arm/mach-exynos4/mach-origen.c +++ b/arch/arm/mach-exynos4/mach-origen.c @@ -39,6 +39,7 @@ #include <plat/backlight.h> #include <plat/pd.h> #include <plat/fb.h> +#include <plat/mfc.h> #include <mach/map.h> @@ -89,6 +90,8 @@ static struct s3c2410_uartcfg origen_uartcfgs[] __initdata = { static struct regulator_consumer_supply __initdata ldo3_consumer[] = { REGULATOR_SUPPLY("vdd11", "s5p-mipi-csis.0"), /* MIPI */ + REGULATOR_SUPPLY("vdd", "exynos4-hdmi"), /* HDMI */ + REGULATOR_SUPPLY("vdd_pll", "exynos4-hdmi"), /* HDMI */ }; static struct regulator_consumer_supply __initdata ldo6_consumer[] = { REGULATOR_SUPPLY("vdd18", "s5p-mipi-csis.0"), /* MIPI */ @@ -98,6 +101,7 @@ static struct regulator_consumer_supply __initdata ldo7_consumer[] = { }; static struct regulator_consumer_supply __initdata ldo8_consumer[] = { REGULATOR_SUPPLY("vdd", "s5p-adc"), /* ADC */ + REGULATOR_SUPPLY("vdd_osc", "exynos4-hdmi"), /* HDMI */ }; static struct regulator_consumer_supply __initdata ldo9_consumer[] = { REGULATOR_SUPPLY("dvdd", "swb-a31"), /* AR6003 WLAN & CSR 8810 BT */ @@ -598,9 +602,17 @@ static struct platform_device *origen_devices[] __initdata = { &s5p_device_fimd0, &s5p_device_hdmi, &s5p_device_i2c_hdmiphy, + &s5p_device_mfc, + &s5p_device_mfc_l, + &s5p_device_mfc_r, &s5p_device_mixer, &exynos4_device_pd[PD_LCD0], &exynos4_device_pd[PD_TV], + &exynos4_device_pd[PD_G3D], + &exynos4_device_pd[PD_LCD1], + &exynos4_device_pd[PD_CAM], + &exynos4_device_pd[PD_GPS], + &exynos4_device_pd[PD_MFC], &origen_device_gpiokeys, &origen_lcd_hv070wsa, }; @@ -638,6 +650,11 @@ static void __init origen_power_init(void) s3c_gpio_setpull(EXYNOS4_GPX0(4), S3C_GPIO_PULL_NONE); } +static void __init origen_reserve(void) +{ + s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20); +} + static void __init origen_machine_init(void) { origen_power_init(); @@ -661,11 +678,14 @@ static void __init origen_machine_init(void) s5p_fimd0_set_platdata(&origen_lcd_pdata); platform_add_devices(origen_devices, ARRAY_SIZE(origen_devices)); + s5p_device_fimd0.dev.parent = &exynos4_device_pd[PD_LCD0].dev; s5p_device_hdmi.dev.parent = &exynos4_device_pd[PD_TV].dev; s5p_device_mixer.dev.parent = &exynos4_device_pd[PD_TV].dev; + s5p_device_mfc.dev.parent = &exynos4_device_pd[PD_MFC].dev; + samsung_bl_set(&origen_bl_gpio_info, &origen_bl_data); } @@ -676,4 +696,5 @@ MACHINE_START(ORIGEN, "ORIGEN") .map_io = origen_map_io, .init_machine = origen_machine_init, .timer = &exynos4_timer, + .reserve = &origen_reserve, MACHINE_END diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile index 8f948f98164..ba254a71691 100644 --- a/arch/arm/mach-mmp/Makefile +++ b/arch/arm/mach-mmp/Makefile @@ -7,7 +7,7 @@ obj-y += common.o clock.o devices.o time.o # SoC support obj-$(CONFIG_CPU_PXA168) += pxa168.o irq-pxa168.o obj-$(CONFIG_CPU_PXA910) += pxa910.o irq-pxa168.o -obj-$(CONFIG_CPU_MMP2) += mmp2.o irq-mmp2.o +obj-$(CONFIG_CPU_MMP2) += mmp2.o irq-mmp2.o sram.o # board support obj-$(CONFIG_MACH_ASPENITE) += aspenite.o diff --git a/arch/arm/mach-mmp/brownstone.c b/arch/arm/mach-mmp/brownstone.c index e411252e3d3..983cfb15fbd 100644 --- a/arch/arm/mach-mmp/brownstone.c +++ b/arch/arm/mach-mmp/brownstone.c @@ -185,6 +185,15 @@ static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = { | PXA_FLAG_SD_8_BIT_CAPABLE_SLOT, }; +static struct sram_platdata mmp2_asram_platdata = { + .pool_name = "asram", + .granularity = SRAM_GRANULARITY, +}; + +static struct sram_platdata mmp2_isram_platdata = { + .pool_name = "isram", + .granularity = SRAM_GRANULARITY, +}; static void __init brownstone_init(void) { @@ -196,6 +205,8 @@ static void __init brownstone_init(void) mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info)); mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */ mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */ + mmp2_add_asram(&mmp2_asram_platdata); + mmp2_add_isram(&mmp2_isram_platdata); /* enable 5v regulator */ platform_device_register(&brownstone_v_5vp_device); diff --git a/arch/arm/mach-mmp/include/mach/mmp2.h b/arch/arm/mach-mmp/include/mach/mmp2.h index de7b88826ad..2f7b2d3c2b1 100644 --- a/arch/arm/mach-mmp/include/mach/mmp2.h +++ b/arch/arm/mach-mmp/include/mach/mmp2.h @@ -13,6 +13,7 @@ extern void mmp2_clear_pmic_int(void); #include <linux/i2c.h> #include <linux/i2c/pxa-i2c.h> #include <mach/devices.h> +#include <mach/sram.h> extern struct pxa_device_desc mmp2_device_uart1; extern struct pxa_device_desc mmp2_device_uart2; @@ -28,6 +29,8 @@ extern struct pxa_device_desc mmp2_device_sdh0; extern struct pxa_device_desc mmp2_device_sdh1; extern struct pxa_device_desc mmp2_device_sdh2; extern struct pxa_device_desc mmp2_device_sdh3; +extern struct pxa_device_desc mmp2_device_asram; +extern struct pxa_device_desc mmp2_device_isram; static inline int mmp2_add_uart(int id) { @@ -85,5 +88,15 @@ static inline int mmp2_add_sdhost(int id, struct sdhci_pxa_platdata *data) return pxa_register_device(d, data, sizeof(*data)); } +static inline int mmp2_add_asram(struct sram_platdata *data) +{ + return pxa_register_device(&mmp2_device_asram, data, sizeof(*data)); +} + +static inline int mmp2_add_isram(struct sram_platdata *data) +{ + return pxa_register_device(&mmp2_device_isram, data, sizeof(*data)); +} + #endif /* __ASM_MACH_MMP2_H */ diff --git a/arch/arm/mach-mmp/include/mach/sram.h b/arch/arm/mach-mmp/include/mach/sram.h new file mode 100644 index 00000000000..239e0fc1bb1 --- /dev/null +++ b/arch/arm/mach-mmp/include/mach/sram.h @@ -0,0 +1,35 @@ +/* + * linux/arch/arm/mach-mmp/include/mach/sram.h + * + * SRAM Memory Management + * + * Copyright (c) 2011 Marvell Semiconductors Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef __ASM_ARCH_SRAM_H +#define __ASM_ARCH_SRAM_H + +#include <linux/genalloc.h> + +/* ARBITRARY: SRAM allocations are multiples of this 2^N size */ +#define SRAM_GRANULARITY 512 + +enum sram_type { + MMP_SRAM_UNDEFINED = 0, + MMP_ASRAM, + MMP_ISRAM, +}; + +struct sram_platdata { + char *pool_name; + int granularity; +}; + +extern struct gen_pool *sram_get_gpool(char *pool_name); + +#endif /* __ASM_ARCH_SRAM_H */ diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c index 7a7e8e4dde4..5dd1d4a6aeb 100644 --- a/arch/arm/mach-mmp/mmp2.c +++ b/arch/arm/mach-mmp/mmp2.c @@ -226,4 +226,7 @@ MMP2_DEVICE(sdh0, "sdhci-pxav3", 0, MMC, 0xd4280000, 0x120); MMP2_DEVICE(sdh1, "sdhci-pxav3", 1, MMC2, 0xd4280800, 0x120); MMP2_DEVICE(sdh2, "sdhci-pxav3", 2, MMC3, 0xd4281000, 0x120); MMP2_DEVICE(sdh3, "sdhci-pxav3", 3, MMC4, 0xd4281800, 0x120); +MMP2_DEVICE(asram, "asram", -1, NONE, 0xe0000000, 0x4000); +/* 0xd1000000 ~ 0xd101ffff is reserved for secure processor */ +MMP2_DEVICE(isram, "isram", -1, NONE, 0xd1020000, 0x18000); diff --git a/arch/arm/mach-mmp/sram.c b/arch/arm/mach-mmp/sram.c new file mode 100644 index 00000000000..4304f951937 --- /dev/null +++ b/arch/arm/mach-mmp/sram.c @@ -0,0 +1,168 @@ +/* + * linux/arch/arm/mach-mmp/sram.c + * + * based on mach-davinci/sram.c - DaVinci simple SRAM allocator + * + * Copyright (c) 2011 Marvell Semiconductors Inc. + * All Rights Reserved + * + * Add for mmp sram support - Leo Yan <leoy@marvell.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/err.h> +#include <linux/slab.h> +#include <linux/genalloc.h> + +#include <mach/sram.h> + +struct sram_bank_info { + char *pool_name; + struct gen_pool *gpool; + int granularity; + + phys_addr_t sram_phys; + void __iomem *sram_virt; + u32 sram_size; + + struct list_head node; +}; + +static DEFINE_MUTEX(sram_lock); +static LIST_HEAD(sram_bank_list); + +struct gen_pool *sram_get_gpool(char *pool_name) +{ + struct sram_bank_info *info = NULL; + + if (!pool_name) + return NULL; + + mutex_lock(&sram_lock); + + list_for_each_entry(info, &sram_bank_list, node) + if (!strcmp(pool_name, info->pool_name)) + break; + + mutex_unlock(&sram_lock); + + if (&info->node == &sram_bank_list) + return NULL; + + return info->gpool; +} +EXPORT_SYMBOL(sram_get_gpool); + +static int __devinit sram_probe(struct platform_device *pdev) +{ + struct sram_platdata *pdata = pdev->dev.platform_data; + struct sram_bank_info *info; + struct resource *res; + int ret = 0; + + if (!pdata && !pdata->pool_name) + return -ENODEV; + + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res == NULL) { + dev_err(&pdev->dev, "no memory resource defined\n"); + ret = -ENODEV; + goto out; + } + + if (!resource_size(res)) + return 0; + + info->sram_phys = (phys_addr_t)res->start; + info->sram_size = resource_size(res); + info->sram_virt = ioremap(info->sram_phys, info->sram_size); + info->pool_name = kstrdup(pdata->pool_name, GFP_KERNEL); + info->granularity = pdata->granularity; + + info->gpool = gen_pool_create(ilog2(info->granularity), -1); + if (!info->gpool) { + dev_err(&pdev->dev, "create pool failed\n"); + ret = -ENOMEM; + goto create_pool_err; + } + + ret = gen_pool_add_virt(info->gpool, (unsigned long)info->sram_virt, + info->sram_phys, info->sram_size, -1); + if (ret < 0) { + dev_err(&pdev->dev, "add new chunk failed\n"); + ret = -ENOMEM; + goto add_chunk_err; + } + + mutex_lock(&sram_lock); + list_add(&info->node, &sram_bank_list); + mutex_unlock(&sram_lock); + + platform_set_drvdata(pdev, info); + + dev_info(&pdev->dev, "initialized\n"); + return 0; + +add_chunk_err: + gen_pool_destroy(info->gpool); +create_pool_err: + iounmap(info->sram_virt); + kfree(info->pool_name); +out: + kfree(info); + return ret; +} + +static int __devexit sram_remove(struct platform_device *pdev) +{ + struct sram_bank_info *info; + + info = platform_get_drvdata(pdev); + if (info == NULL) + return -ENODEV; + + mutex_lock(&sram_lock); + list_del(&info->node); + mutex_unlock(&sram_lock); + + gen_pool_destroy(info->gpool); + iounmap(info->sram_virt); + kfree(info->pool_name); + kfree(info); + return 0; +} + +static const struct platform_device_id sram_id_table[] = { + { "asram", MMP_ASRAM }, + { "isram", MMP_ISRAM }, + { } +}; + +static struct platform_driver sram_driver = { + .probe = sram_probe, + .remove = sram_remove, + .driver = { + .name = "mmp-sram", + }, + .id_table = sram_id_table, +}; + +static int __init sram_init(void) +{ + return platform_driver_register(&sram_driver); +} +core_initcall(sram_init); + +MODULE_LICENSE("GPL"); diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-nrs.h b/arch/arm/mach-s3c2410/include/mach/gpio-nrs.h index 4f7bf3272e8..019ea86057f 100644 --- a/arch/arm/mach-s3c2410/include/mach/gpio-nrs.h +++ b/arch/arm/mach-s3c2410/include/mach/gpio-nrs.h @@ -53,7 +53,7 @@ #define S3C2410_GPIO_M_NR (32) /* technically 2. */ #if CONFIG_S3C_GPIO_SPACE != 0 -#error CONFIG_S3C_GPIO_SPACE cannot be zero at the moment +#error CONFIG_S3C_GPIO_SPACE cannot be nonzero at the moment #endif #define S3C2410_GPIO_NEXT(__gpio) \ diff --git a/arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h b/arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h index df6434f326f..c3feff3c048 100644 --- a/arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h +++ b/arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h @@ -65,6 +65,7 @@ #define S3C2443_CLKDIV0_PREDIV_MASK (3<<4) #define S3C2443_CLKDIV0_PREDIV_SHIFT (4) +#define S3C2416_CLKDIV0_ARMDIV_MASK (7 << 9) #define S3C2443_CLKDIV0_ARMDIV_MASK (15<<9) #define S3C2443_CLKDIV0_ARMDIV_SHIFT (9) #define S3C2443_CLKDIV0_ARMDIV_1 (0<<9) diff --git a/arch/arm/mach-s3c2416/clock.c b/arch/arm/mach-s3c2416/clock.c index 72b7c6274c7..afbbe8bc21d 100644 --- a/arch/arm/mach-s3c2416/clock.c +++ b/arch/arm/mach-s3c2416/clock.c @@ -28,6 +28,14 @@ #include <mach/regs-clock.h> #include <mach/regs-s3c2443-clock.h> +/* armdiv + * + * this clock is sourced from msysclk and can have a number of + * divider values applied to it to then be fed into armclk. + * The real clock definition is done in s3c2443-clock.c, + * only the armdiv divisor table must be defined here. +*/ + static unsigned int armdiv[8] = { [0] = 1, [1] = 2, @@ -125,16 +133,9 @@ static struct clk hsmmc0_clk = { .ctrlbit = S3C2416_HCLKCON_HSMMC0, }; -static inline unsigned int s3c2416_fclk_div(unsigned long clkcon0) -{ - clkcon0 &= 7 << S3C2443_CLKDIV0_ARMDIV_SHIFT; - - return armdiv[clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]; -} - void __init_or_cpufreq s3c2416_setup_clocks(void) { - s3c2443_common_setup_clocks(s3c2416_get_pll, s3c2416_fclk_div); + s3c2443_common_setup_clocks(s3c2416_get_pll); } @@ -158,7 +159,9 @@ void __init s3c2416_init_clocks(int xtal) clk_epll.parent = &clk_epllref.clk; - s3c2443_common_init_clocks(xtal, s3c2416_get_pll, s3c2416_fclk_div); + s3c2443_common_init_clocks(xtal, s3c2416_get_pll, + armdiv, ARRAY_SIZE(armdiv), + S3C2416_CLKDIV0_ARMDIV_MASK); for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) s3c_register_clksrc(clksrcs[ptr], 1); diff --git a/arch/arm/mach-s3c2416/s3c2416.c b/arch/arm/mach-s3c2416/s3c2416.c index 7dbee81c890..ee214bc83c8 100644 --- a/arch/arm/mach-s3c2416/s3c2416.c +++ b/arch/arm/mach-s3c2416/s3c2416.c @@ -60,6 +60,7 @@ #include <plat/iic-core.h> #include <plat/fb-core.h> #include <plat/nand-core.h> +#include <plat/adc-core.h> static struct map_desc s3c2416_iodesc[] __initdata = { IODESC_ENT(WATCHDOG), @@ -97,6 +98,8 @@ int __init s3c2416_init(void) s3c_fb_setname("s3c2443-fb"); + s3c_adc_setname("s3c2416-adc"); + #ifdef CONFIG_PM register_syscore_ops(&s3c2416_pm_syscore_ops); #endif diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c index cd51d04e1de..1c2c088aa2e 100644 --- a/arch/arm/mach-s3c2443/clock.c +++ b/arch/arm/mach-s3c2443/clock.c @@ -61,10 +61,10 @@ * * this clock is sourced from msysclk and can have a number of * divider values applied to it to then be fed into armclk. + * The real clock definition is done in s3c2443-clock.c, + * only the armdiv divisor table must be defined here. */ -/* armdiv divisor table */ - static unsigned int armdiv[16] = { [S3C2443_CLKDIV0_ARMDIV_1 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 1, [S3C2443_CLKDIV0_ARMDIV_2 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 2, @@ -76,92 +76,6 @@ static unsigned int armdiv[16] = { [S3C2443_CLKDIV0_ARMDIV_16 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 16, }; -static inline unsigned int s3c2443_fclk_div(unsigned long clkcon0) -{ - clkcon0 &= S3C2443_CLKDIV0_ARMDIV_MASK; - - return armdiv[clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]; -} - -static unsigned long s3c2443_armclk_roundrate(struct clk *clk, - unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - unsigned long calc; - unsigned best = 256; /* bigger than any value */ - unsigned div; - int ptr; - - for (ptr = 0; ptr < ARRAY_SIZE(armdiv); ptr++) { - div = armdiv[ptr]; - calc = parent / div; - if (calc <= rate && div < best) - best = div; - } - - return parent / best; -} - -static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - unsigned long calc; - unsigned div; - unsigned best = 256; /* bigger than any value */ - int ptr; - int val = -1; - - for (ptr = 0; ptr < ARRAY_SIZE(armdiv); ptr++) { - div = armdiv[ptr]; - calc = parent / div; - if (calc <= rate && div < best) { - best = div; - val = ptr; - } - } - - if (val >= 0) { - unsigned long clkcon0; - - clkcon0 = __raw_readl(S3C2443_CLKDIV0); - clkcon0 &= ~S3C2443_CLKDIV0_ARMDIV_MASK; - clkcon0 |= val << S3C2443_CLKDIV0_ARMDIV_SHIFT; - __raw_writel(clkcon0, S3C2443_CLKDIV0); - } - - return (val == -1) ? -EINVAL : 0; -} - -static struct clk clk_armdiv = { - .name = "armdiv", - .parent = &clk_msysclk.clk, - .ops = &(struct clk_ops) { - .round_rate = s3c2443_armclk_roundrate, - .set_rate = s3c2443_armclk_setrate, - }, -}; - -/* armclk - * - * this is the clock fed into the ARM core itself, from armdiv or from hclk. - */ - -static struct clk *clk_arm_sources[] = { - [0] = &clk_armdiv, - [1] = &clk_h, -}; - -static struct clksrc_clk clk_arm = { - .clk = { - .name = "armclk", - }, - .sources = &(struct clksrc_sources) { - .sources = clk_arm_sources, |