diff options
Diffstat (limited to 'arch/arm/mach-s3c2440/mach-gta02.c')
| -rw-r--r-- | arch/arm/mach-s3c2440/mach-gta02.c | 605 |
1 files changed, 0 insertions, 605 deletions
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c deleted file mode 100644 index cf270f51d14..00000000000 --- a/arch/arm/mach-s3c2440/mach-gta02.c +++ /dev/null @@ -1,605 +0,0 @@ -/* - * linux/arch/arm/mach-s3c2442/mach-gta02.c - * - * S3C2442 Machine Support for Openmoko GTA02 / FreeRunner. - * - * Copyright (C) 2006-2009 by Openmoko, Inc. - * Authors: Harald Welte <laforge@openmoko.org> - * Andy Green <andy@openmoko.org> - * Werner Almesberger <werner@openmoko.org> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/list.h> -#include <linux/delay.h> -#include <linux/timer.h> -#include <linux/init.h> -#include <linux/gpio.h> -#include <linux/workqueue.h> -#include <linux/platform_device.h> -#include <linux/serial_core.h> -#include <linux/spi/spi.h> -#include <linux/spi/s3c24xx.h> - -#include <linux/mmc/host.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/nand.h> -#include <linux/mtd/nand_ecc.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/physmap.h> -#include <linux/io.h> - -#include <linux/i2c.h> -#include <linux/regulator/machine.h> - -#include <linux/mfd/pcf50633/core.h> -#include <linux/mfd/pcf50633/mbc.h> -#include <linux/mfd/pcf50633/adc.h> -#include <linux/mfd/pcf50633/gpio.h> -#include <linux/mfd/pcf50633/pmic.h> -#include <linux/mfd/pcf50633/backlight.h> - -#include <linux/input.h> -#include <linux/gpio_keys.h> - -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/irq.h> - -#include <asm/irq.h> -#include <asm/mach-types.h> - -#include <mach/regs-irq.h> -#include <mach/regs-gpio.h> -#include <mach/regs-gpioj.h> -#include <mach/fb.h> - -#include <plat/usb-control.h> -#include <mach/regs-mem.h> -#include <mach/hardware.h> - -#include <mach/gta02.h> - -#include <plat/regs-serial.h> -#include <plat/nand.h> -#include <plat/devs.h> -#include <plat/cpu.h> -#include <plat/pm.h> -#include <plat/udc.h> -#include <plat/gpio-cfg.h> -#include <plat/iic.h> -#include <plat/ts.h> - -#include "common.h" - -static struct pcf50633 *gta02_pcf; - -/* - * This gets called frequently when we paniced. - */ - -static long gta02_panic_blink(int state) -{ - long delay = 0; - char led; - - led = (state) ? 1 : 0; - gpio_direction_output(GTA02_GPIO_AUX_LED, led); - - return delay; -} - - -static struct map_desc gta02_iodesc[] __initdata = { - { - .virtual = 0xe0000000, - .pfn = __phys_to_pfn(S3C2410_CS3 + 0x01000000), - .length = SZ_1M, - .type = MT_DEVICE - }, -}; - -#define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN) -#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB) -#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) - -static struct s3c2410_uartcfg gta02_uartcfgs[] = { - [0] = { - .hwport = 0, - .flags = 0, - .ucon = UCON, - .ulcon = ULCON, - .ufcon = UFCON, - }, - [1] = { - .hwport = 1, - .flags = 0, - .ucon = UCON, - .ulcon = ULCON, - .ufcon = UFCON, - }, - [2] = { - .hwport = 2, - .flags = 0, - .ucon = UCON, - .ulcon = ULCON, - .ufcon = UFCON, - }, -}; - -#ifdef CONFIG_CHARGER_PCF50633 -/* - * On GTA02 the 1A charger features a 48K resistor to 0V on the ID pin. - * We use this to recognize that we can pull 1A from the USB socket. - * - * These constants are the measured pcf50633 ADC levels with the 1A - * charger / 48K resistor, and with no pulldown resistor. - */ - -#define ADC_NOM_CHG_DETECT_1A 6 -#define ADC_NOM_CHG_DETECT_USB 43 - -static void -gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res) -{ - int ma; - - /* Interpret charger type */ - if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) { - - /* - * Sanity - stop GPO driving out now that we have a 1A charger - * GPO controls USB Host power generation on GTA02 - */ - pcf50633_gpio_set(pcf, PCF50633_GPO, 0); - - ma = 1000; - } else - ma = 100; - - pcf50633_mbc_usb_curlim_set(pcf, ma); -} - -static struct delayed_work gta02_charger_work; -static int gta02_usb_vbus_draw; - -static void gta02_charger_worker(struct work_struct *work) -{ - if (gta02_usb_vbus_draw) { - pcf50633_mbc_usb_curlim_set(gta02_pcf, gta02_usb_vbus_draw); - return; - } - -#ifdef CONFIG_PCF50633_ADC - pcf50633_adc_async_read(gta02_pcf, - PCF50633_ADCC1_MUX_ADCIN1, - PCF50633_ADCC1_AVERAGE_16, - gta02_configure_pmu_for_charger, - NULL); -#else - /* - * If the PCF50633 ADC is disabled we fallback to a - * 100mA limit for safety. - */ - pcf50633_mbc_usb_curlim_set(pcf, 100); -#endif -} - -#define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000) - -static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq) -{ - if (irq == PCF50633_IRQ_USBINS) { - schedule_delayed_work(>a02_charger_work, - GTA02_CHARGER_CONFIGURE_TIMEOUT); - - return; - } - - if (irq == PCF50633_IRQ_USBREM) { - cancel_delayed_work_sync(>a02_charger_work); - gta02_usb_vbus_draw = 0; - } -} - -static void gta02_udc_vbus_draw(unsigned int ma) -{ - if (!gta02_pcf) - return; - - gta02_usb_vbus_draw = ma; - - schedule_delayed_work(>a02_charger_work, - GTA02_CHARGER_CONFIGURE_TIMEOUT); -} -#else /* !CONFIG_CHARGER_PCF50633 */ -#define gta02_pmu_event_callback NULL -#define gta02_udc_vbus_draw NULL -#endif - -/* - * This is called when pc50633 is probed, unfortunately quite late in the - * day since it is an I2C bus device. Here we can belatedly define some - * platform devices with the advantage that we can mark the pcf50633 as the - * parent. This makes them get suspended and resumed with their parent - * the pcf50633 still around. - */ - -static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf); - - -static char *gta02_batteries[] = { - "battery", -}; - -static struct pcf50633_bl_platform_data gta02_backlight_data = { - .default_brightness = 0x3f, - .default_brightness_limit = 0, - .ramp_time = 5, -}; - -struct pcf50633_platform_data gta02_pcf_pdata = { - .resumers = { - [0] = PCF50633_INT1_USBINS | - PCF50633_INT1_USBREM | - PCF50633_INT1_ALARM, - [1] = PCF50633_INT2_ONKEYF, - [2] = PCF50633_INT3_ONKEY1S, - [3] = PCF50633_INT4_LOWSYS | - PCF50633_INT4_LOWBAT | - PCF50633_INT4_HIGHTMP, - }, - - .batteries = gta02_batteries, - .num_batteries = ARRAY_SIZE(gta02_batteries), - - .charger_reference_current_ma = 1000, - - .backlight_data = >a02_backlight_data, - - .reg_init_data = { - [PCF50633_REGULATOR_AUTO] = { - .constraints = { - .min_uV = 3300000, - .max_uV = 3300000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .always_on = 1, - .apply_uV = 1, - }, - }, - [PCF50633_REGULATOR_DOWN1] = { - .constraints = { - .min_uV = 1300000, - .max_uV = 1600000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .always_on = 1, - .apply_uV = 1, - }, - }, - [PCF50633_REGULATOR_DOWN2] = { - .constraints = { - .min_uV = 1800000, - .max_uV = 1800000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .apply_uV = 1, - .always_on = 1, - }, - }, - [PCF50633_REGULATOR_HCLDO] = { - .constraints = { - .min_uV = 2000000, - .max_uV = 3300000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_STATUS, - }, - }, - [PCF50633_REGULATOR_LDO1] = { - .constraints = { - .min_uV = 3300000, - .max_uV = 3300000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = REGULATOR_CHANGE_STATUS, - .apply_uV = 1, - }, - }, - [PCF50633_REGULATOR_LDO2] = { - .constraints = { - .min_uV = 3300000, - .max_uV = 3300000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .apply_uV = 1, - }, - }, - [PCF50633_REGULATOR_LDO3] = { - .constraints = { - .min_uV = 3000000, - .max_uV = 3000000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .apply_uV = 1, - }, - }, - [PCF50633_REGULATOR_LDO4] = { - .constraints = { - .min_uV = 3200000, - .max_uV = 3200000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = REGULATOR_CHANGE_STATUS, - .apply_uV = 1, - }, - }, - [PCF50633_REGULATOR_LDO5] = { - .constraints = { - .min_uV = 3000000, - .max_uV = 3000000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = REGULATOR_CHANGE_STATUS, - .apply_uV = 1, - }, - }, - [PCF50633_REGULATOR_LDO6] = { - .constraints = { - .min_uV = 3000000, - .max_uV = 3000000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - }, - }, - [PCF50633_REGULATOR_MEMLDO] = { - .constraints = { - .min_uV = 1800000, - .max_uV = 1800000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - }, - }, - - }, - .probe_done = gta02_pmu_attach_child_devices, - .mbc_event_callback = gta02_pmu_event_callback, -}; - - -/* NOR Flash. */ - -#define GTA02_FLASH_BASE 0x18000000 /* GCS3 */ -#define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */ - -static struct physmap_flash_data gta02_nor_flash_data = { - .width = 2, -}; - -static struct resource gta02_nor_flash_resource = { - .start = GTA02_FLASH_BASE, - .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device gta02_nor_flash = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = >a02_nor_flash_data, - }, - .resource = >a02_nor_flash_resource, - .num_resources = 1, -}; - - -struct platform_device s3c24xx_pwm_device = { - .name = "s3c24xx_pwm", - .num_resources = 0, -}; - -static struct platform_device gta02_dfbmcs320_device = { - .name = "dfbmcs320", -}; - -static struct i2c_board_info gta02_i2c_devs[] __initdata = { - { - I2C_BOARD_INFO("pcf50633", 0x73), - .irq = GTA02_IRQ_PCF50633, - .platform_data = >a02_pcf_pdata, - }, - { - I2C_BOARD_INFO("wm8753", 0x1a), - }, -}; - -static struct s3c2410_nand_set __initdata gta02_nand_sets[] = { - [0] = { - /* - * This name is also hard-coded in the boot loaders, so - * changing it would would require all users to upgrade - * their boot loaders, some of which are stored in a NOR - * that is considered to be immutable. - */ - .name = "neo1973-nand", - .nr_chips = 1, - .flash_bbt = 1, - }, -}; - -/* - * Choose a set of timings derived from S3C@2442B MCP54 - * data sheet (K5D2G13ACM-D075 MCP Memory). - */ - -static struct s3c2410_platform_nand __initdata gta02_nand_info = { - .tacls = 0, - .twrph0 = 25, - .twrph1 = 15, - .nr_sets = ARRAY_SIZE(gta02_nand_sets), - .sets = gta02_nand_sets, -}; - - -/* Get PMU to set USB current limit accordingly. */ -static struct s3c2410_udc_mach_info gta02_udc_cfg __initdata = { - .vbus_draw = gta02_udc_vbus_draw, - .pullup_pin = GTA02_GPIO_USB_PULLUP, -}; - -/* USB */ -static struct s3c2410_hcd_info gta02_usb_info __initdata = { - .port[0] = { - .flags = S3C_HCDFLG_USED, - }, - .port[1] = { - .flags = 0, - }, -}; - -/* Touchscreen */ -static struct s3c2410_ts_mach_info gta02_ts_info = { - .delay = 10000, - .presc = 0xff, /* slow as we can go */ - .oversampling_shift = 2, -}; - -/* Buttons */ -static struct gpio_keys_button gta02_buttons[] = { - { - .gpio = GTA02_GPIO_AUX_KEY, - .code = KEY_PHONE, - .desc = "Aux", - .type = EV_KEY, - .debounce_interval = 100, - }, - { - .gpio = GTA02_GPIO_HOLD_KEY, - .code = KEY_PAUSE, - .desc = "Hold", - .type = EV_KEY, - .debounce_interval = 100, - }, -}; - -static struct gpio_keys_platform_data gta02_buttons_pdata = { - .buttons = gta02_buttons, - .nbuttons = ARRAY_SIZE(gta02_buttons), -}; - -static struct platform_device gta02_buttons_device = { - .name = "gpio-keys", - .id = -1, - .dev = { - .platform_data = >a02_buttons_pdata, - }, -}; - -static void __init gta02_map_io(void) -{ - s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc)); - s3c24xx_init_clocks(12000000); - s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs)); -} - - -/* These are the guys that don't need to be children of PMU. */ - -static struct platform_device *gta02_devices[] __initdata = { - &s3c_device_ohci, - &s3c_device_wdt, - &s3c_device_sdi, - &s3c_device_usbgadget, - &s3c_device_nand, - >a02_nor_flash, - &s3c24xx_pwm_device, - &s3c_device_iis, - &samsung_asoc_dma, - &s3c_device_i2c0, - >a02_dfbmcs320_device, - >a02_buttons_device, - &s3c_device_adc, - &s3c_device_ts, -}; - -/* These guys DO need to be children of PMU. */ - -static struct platform_device *gta02_devices_pmu_children[] = { -}; - - -/* - * This is called when pc50633 is probed, quite late in the day since it is an - * I2C bus device. Here we can define platform devices with the advantage that - * we can mark the pcf50633 as the parent. This makes them get suspended and - * resumed with their parent the pcf50633 still around. All devices whose - * operation depends on something from pcf50633 must have this relationship - * made explicit like this, or suspend and resume will become an unreliable - * hellworld. - */ - -static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf) -{ - int n; - - /* Grab a copy of the now probed PMU pointer. */ - gta02_pcf = pcf; - - for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++) - gta02_devices_pmu_children[n]->dev.parent = pcf->dev; - - platform_add_devices(gta02_devices_pmu_children, - ARRAY_SIZE(gta02_devices_pmu_children)); -} - -static void gta02_poweroff(void) -{ - pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, 1, 1); -} - -static void __init gta02_machine_init(void) -{ - /* Set the panic callback to turn AUX LED on or off. */ - panic_blink = gta02_panic_blink; - - s3c_pm_init(); - -#ifdef CONFIG_CHARGER_PCF50633 - INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker); -#endif - - s3c24xx_udc_set_platdata(>a02_udc_cfg); - s3c24xx_ts_set_platdata(>a02_ts_info); - s3c_ohci_set_platdata(>a02_usb_info); - s3c_nand_set_platdata(>a02_nand_info); - s3c_i2c0_set_platdata(NULL); - - i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs)); - - platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices)); - pm_power_off = gta02_poweroff; - - regulator_has_full_constraints(); -} - - -MACHINE_START(NEO1973_GTA02, "GTA02") - /* Maintainer: Nelson Castillo <arhuaco@freaks-unidos.net> */ - .atag_offset = 0x100, - .map_io = gta02_map_io, - .init_irq = s3c24xx_init_irq, - .init_machine = gta02_machine_init, - .timer = &s3c24xx_timer, - .restart = s3c2440_restart, -MACHINE_END |