diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-omap2/board-n8x0.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-omap2/board-n8x0.c | 723 |
1 files changed, 0 insertions, 723 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-omap2/board-n8x0.c b/ANDROID_3.4.5/arch/arm/mach-omap2/board-n8x0.c deleted file mode 100644 index 518091c5..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-omap2/board-n8x0.c +++ /dev/null @@ -1,723 +0,0 @@ -/* - * linux/arch/arm/mach-omap2/board-n8x0.c - * - * Copyright (C) 2005-2009 Nokia Corporation - * Author: Juha Yrjola <juha.yrjola@nokia.com> - * - * Modified from mach-omap2/board-generic.c - * - * 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/clk.h> -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/stddef.h> -#include <linux/i2c.h> -#include <linux/spi/spi.h> -#include <linux/usb/musb.h> -#include <sound/tlv320aic3x.h> - -#include <asm/mach/arch.h> -#include <asm/mach-types.h> - -#include <plat/board.h> -#include "common.h" -#include <plat/menelaus.h> -#include <mach/irqs.h> -#include <plat/mcspi.h> -#include <plat/onenand.h> -#include <plat/mmc.h> -#include <plat/serial.h> - -#include "mux.h" - -#define TUSB6010_ASYNC_CS 1 -#define TUSB6010_SYNC_CS 4 -#define TUSB6010_GPIO_INT 58 -#define TUSB6010_GPIO_ENABLE 0 -#define TUSB6010_DMACHAN 0x3f - -#if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_TUSB6010_MODULE) -/* - * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and - * 1.5 V voltage regulators of PM companion chip. Companion chip will then - * provide then PGOOD signal to TUSB6010 which will release it from reset. - */ -static int tusb_set_power(int state) -{ - int i, retval = 0; - - if (state) { - gpio_set_value(TUSB6010_GPIO_ENABLE, 1); - msleep(1); - - /* Wait until TUSB6010 pulls INT pin down */ - i = 100; - while (i && gpio_get_value(TUSB6010_GPIO_INT)) { - msleep(1); - i--; - } - - if (!i) { - printk(KERN_ERR "tusb: powerup failed\n"); - retval = -ENODEV; - } - } else { - gpio_set_value(TUSB6010_GPIO_ENABLE, 0); - msleep(10); - } - - return retval; -} - -static struct musb_hdrc_config musb_config = { - .multipoint = 1, - .dyn_fifo = 1, - .num_eps = 16, - .ram_bits = 12, -}; - -static struct musb_hdrc_platform_data tusb_data = { -#if defined(CONFIG_USB_MUSB_OTG) - .mode = MUSB_OTG, -#elif defined(CONFIG_USB_MUSB_PERIPHERAL) - .mode = MUSB_PERIPHERAL, -#else /* defined(CONFIG_USB_MUSB_HOST) */ - .mode = MUSB_HOST, -#endif - .set_power = tusb_set_power, - .min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */ - .power = 100, /* Max 100 mA VBUS for host mode */ - .config = &musb_config, -}; - -static void __init n8x0_usb_init(void) -{ - int ret = 0; - static char announce[] __initdata = KERN_INFO "TUSB 6010\n"; - - /* PM companion chip power control pin */ - ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW, - "TUSB6010 enable"); - if (ret != 0) { - printk(KERN_ERR "Could not get TUSB power GPIO%i\n", - TUSB6010_GPIO_ENABLE); - return; - } - tusb_set_power(0); - - ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2, - TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS, - TUSB6010_GPIO_INT, TUSB6010_DMACHAN); - if (ret != 0) - goto err; - - printk(announce); - - return; - -err: - gpio_free(TUSB6010_GPIO_ENABLE); -} -#else - -static void __init n8x0_usb_init(void) {} - -#endif /*CONFIG_USB_MUSB_TUSB6010 */ - - -static struct omap2_mcspi_device_config p54spi_mcspi_config = { - .turbo_mode = 0, -}; - -static struct spi_board_info n800_spi_board_info[] __initdata = { - { - .modalias = "p54spi", - .bus_num = 2, - .chip_select = 0, - .max_speed_hz = 48000000, - .controller_data = &p54spi_mcspi_config, - }, -}; - -#if defined(CONFIG_MTD_ONENAND_OMAP2) || \ - defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) - -static struct mtd_partition onenand_partitions[] = { - { - .name = "bootloader", - .offset = 0, - .size = 0x20000, - .mask_flags = MTD_WRITEABLE, /* Force read-only */ - }, - { - .name = "config", - .offset = MTDPART_OFS_APPEND, - .size = 0x60000, - }, - { - .name = "kernel", - .offset = MTDPART_OFS_APPEND, - .size = 0x200000, - }, - { - .name = "initfs", - .offset = MTDPART_OFS_APPEND, - .size = 0x400000, - }, - { - .name = "rootfs", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - }, -}; - -static struct omap_onenand_platform_data board_onenand_data[] = { - { - .cs = 0, - .gpio_irq = 26, - .parts = onenand_partitions, - .nr_parts = ARRAY_SIZE(onenand_partitions), - .flags = ONENAND_SYNC_READ, - } -}; -#endif - -#if defined(CONFIG_MENELAUS) && \ - (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)) - -/* - * On both N800 and N810, only the first of the two MMC controllers is in use. - * The two MMC slots are multiplexed via Menelaus companion chip over I2C. - * On N800, both slots are powered via Menelaus. On N810, only one of the - * slots is powered via Menelaus. The N810 EMMC is powered via GPIO. - * - * VMMC slot 1 on both N800 and N810 - * VDCDC3_APE and VMCS2_APE slot 2 on N800 - * GPIO23 and GPIO9 slot 2 EMMC on N810 - * - */ -#define N8X0_SLOT_SWITCH_GPIO 96 -#define N810_EMMC_VSD_GPIO 23 -#define N810_EMMC_VIO_GPIO 9 - -static int slot1_cover_open; -static int slot2_cover_open; -static struct device *mmc_device; - -static int n8x0_mmc_switch_slot(struct device *dev, int slot) -{ -#ifdef CONFIG_MMC_DEBUG - dev_dbg(dev, "Choose slot %d\n", slot + 1); -#endif - gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot); - return 0; -} - -static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot, - int power_on, int vdd) -{ - int mV; - -#ifdef CONFIG_MMC_DEBUG - dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1, - power_on ? "on" : "off", vdd); -#endif - if (slot == 0) { - if (!power_on) - return menelaus_set_vmmc(0); - switch (1 << vdd) { - case MMC_VDD_33_34: - case MMC_VDD_32_33: - case MMC_VDD_31_32: - mV = 3100; - break; - case MMC_VDD_30_31: - mV = 3000; - break; - case MMC_VDD_28_29: - mV = 2800; - break; - case MMC_VDD_165_195: - mV = 1850; - break; - default: - BUG(); - } - return menelaus_set_vmmc(mV); - } else { - if (!power_on) - return menelaus_set_vdcdc(3, 0); - switch (1 << vdd) { - case MMC_VDD_33_34: - case MMC_VDD_32_33: - mV = 3300; - break; - case MMC_VDD_30_31: - case MMC_VDD_29_30: - mV = 3000; - break; - case MMC_VDD_28_29: - case MMC_VDD_27_28: - mV = 2800; - break; - case MMC_VDD_24_25: - case MMC_VDD_23_24: - mV = 2400; - break; - case MMC_VDD_22_23: - case MMC_VDD_21_22: - mV = 2200; - break; - case MMC_VDD_20_21: - mV = 2000; - break; - case MMC_VDD_165_195: - mV = 1800; - break; - default: - BUG(); - } - return menelaus_set_vdcdc(3, mV); - } - return 0; -} - -static void n810_set_power_emmc(struct device *dev, - int power_on) -{ - dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off"); - - if (power_on) { - gpio_set_value(N810_EMMC_VSD_GPIO, 1); - msleep(1); - gpio_set_value(N810_EMMC_VIO_GPIO, 1); - msleep(1); - } else { - gpio_set_value(N810_EMMC_VIO_GPIO, 0); - msleep(50); - gpio_set_value(N810_EMMC_VSD_GPIO, 0); - msleep(50); - } -} - -static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on, - int vdd) -{ - if (machine_is_nokia_n800() || slot == 0) - return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd); - - n810_set_power_emmc(dev, power_on); - - return 0; -} - -static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode) -{ - int r; - - dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1, - bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull"); - BUG_ON(slot != 0 && slot != 1); - slot++; - switch (bus_mode) { - case MMC_BUSMODE_OPENDRAIN: - r = menelaus_set_mmc_opendrain(slot, 1); - break; - case MMC_BUSMODE_PUSHPULL: - r = menelaus_set_mmc_opendrain(slot, 0); - break; - default: - BUG(); - } - if (r != 0 && printk_ratelimit()) - dev_err(dev, "MMC: unable to set bus mode for slot %d\n", - slot); - return r; -} - -static int n8x0_mmc_get_cover_state(struct device *dev, int slot) -{ - slot++; - BUG_ON(slot != 1 && slot != 2); - if (slot == 1) - return slot1_cover_open; - else - return slot2_cover_open; -} - -static void n8x0_mmc_callback(void *data, u8 card_mask) -{ - int bit, *openp, index; - - if (machine_is_nokia_n800()) { - bit = 1 << 1; - openp = &slot2_cover_open; - index = 1; - } else { - bit = 1; - openp = &slot1_cover_open; - index = 0; - } - - if (card_mask & bit) - *openp = 1; - else - *openp = 0; - -#ifdef CONFIG_MMC_OMAP - omap_mmc_notify_cover_event(mmc_device, index, *openp); -#else - pr_warn("MMC: notify cover event not available\n"); -#endif -} - -static int n8x0_mmc_late_init(struct device *dev) -{ - int r, bit, *openp; - int vs2sel; - - mmc_device = dev; - - r = menelaus_set_slot_sel(1); - if (r < 0) - return r; - - if (machine_is_nokia_n800()) - vs2sel = 0; - else - vs2sel = 2; - - r = menelaus_set_mmc_slot(2, 0, vs2sel, 1); - if (r < 0) - return r; - - n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */ - n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16); - - r = menelaus_set_mmc_slot(1, 1, 0, 1); - if (r < 0) - return r; - r = menelaus_set_mmc_slot(2, 1, vs2sel, 1); - if (r < 0) - return r; - - r = menelaus_get_slot_pin_states(); - if (r < 0) - return r; - - if (machine_is_nokia_n800()) { - bit = 1 << 1; - openp = &slot2_cover_open; - } else { - bit = 1; - openp = &slot1_cover_open; - slot2_cover_open = 0; - } - - /* All slot pin bits seem to be inversed until first switch change */ - if (r == 0xf || r == (0xf & ~bit)) - r = ~r; - - if (r & bit) - *openp = 1; - else - *openp = 0; - - r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL); - - return r; -} - -static void n8x0_mmc_shutdown(struct device *dev) -{ - int vs2sel; - - if (machine_is_nokia_n800()) - vs2sel = 0; - else - vs2sel = 2; - - menelaus_set_mmc_slot(1, 0, 0, 0); - menelaus_set_mmc_slot(2, 0, vs2sel, 0); -} - -static void n8x0_mmc_cleanup(struct device *dev) -{ - menelaus_unregister_mmc_callback(); - - gpio_free(N8X0_SLOT_SWITCH_GPIO); - - if (machine_is_nokia_n810()) { - gpio_free(N810_EMMC_VSD_GPIO); - gpio_free(N810_EMMC_VIO_GPIO); - } -} - -/* - * MMC controller1 has two slots that are multiplexed via I2C. - * MMC controller2 is not in use. - */ -static struct omap_mmc_platform_data mmc1_data = { - .nr_slots = 2, - .switch_slot = n8x0_mmc_switch_slot, - .init = n8x0_mmc_late_init, - .cleanup = n8x0_mmc_cleanup, - .shutdown = n8x0_mmc_shutdown, - .max_freq = 24000000, - .dma_mask = 0xffffffff, - .slots[0] = { - .wires = 4, - .set_power = n8x0_mmc_set_power, - .set_bus_mode = n8x0_mmc_set_bus_mode, - .get_cover_state = n8x0_mmc_get_cover_state, - .ocr_mask = MMC_VDD_165_195 | MMC_VDD_30_31 | - MMC_VDD_32_33 | MMC_VDD_33_34, - .name = "internal", - }, - .slots[1] = { - .set_power = n8x0_mmc_set_power, - .set_bus_mode = n8x0_mmc_set_bus_mode, - .get_cover_state = n8x0_mmc_get_cover_state, - .ocr_mask = MMC_VDD_165_195 | MMC_VDD_20_21 | - MMC_VDD_21_22 | MMC_VDD_22_23 | - MMC_VDD_23_24 | MMC_VDD_24_25 | - MMC_VDD_27_28 | MMC_VDD_28_29 | - MMC_VDD_29_30 | MMC_VDD_30_31 | - MMC_VDD_32_33 | MMC_VDD_33_34, - .name = "external", - }, -}; - -static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC]; - -static struct gpio n810_emmc_gpios[] __initdata = { - { N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vddf" }, - { N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vdd" }, -}; - -static void __init n8x0_mmc_init(void) -{ - int err; - - if (machine_is_nokia_n810()) { - mmc1_data.slots[0].name = "external"; - - /* - * Some Samsung Movinand chips do not like open-ended - * multi-block reads and fall to braind-dead state - * while doing so. Reducing the number of blocks in - * the transfer or delays in clock disable do not help - */ - mmc1_data.slots[1].name = "internal"; - mmc1_data.slots[1].ban_openended = 1; - } - - err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW, - "MMC slot switch"); - if (err) - return; - - if (machine_is_nokia_n810()) { - err = gpio_request_array(n810_emmc_gpios, - ARRAY_SIZE(n810_emmc_gpios)); - if (err) { - gpio_free(N8X0_SLOT_SWITCH_GPIO); - return; - } - } - - mmc_data[0] = &mmc1_data; - omap242x_init_mmc(mmc_data); -} -#else - -void __init n8x0_mmc_init(void) -{ -} -#endif /* CONFIG_MMC_OMAP */ - -#ifdef CONFIG_MENELAUS - -static int n8x0_auto_sleep_regulators(void) -{ - u32 val; - int ret; - - val = EN_VPLL_SLEEP | EN_VMMC_SLEEP \ - | EN_VAUX_SLEEP | EN_VIO_SLEEP \ - | EN_VMEM_SLEEP | EN_DC3_SLEEP \ - | EN_VC_SLEEP | EN_DC2_SLEEP; - - ret = menelaus_set_regulator_sleep(1, val); - if (ret < 0) { - printk(KERN_ERR "Could not set regulators to sleep on " - "menelaus: %u\n", ret); - return ret; - } - return 0; -} - -static int n8x0_auto_voltage_scale(void) -{ - int ret; - - ret = menelaus_set_vcore_hw(1400, 1050); - if (ret < 0) { - printk(KERN_ERR "Could not set VCORE voltage on " - "menelaus: %u\n", ret); - return ret; - } - return 0; -} - -static int n8x0_menelaus_late_init(struct device *dev) -{ - int ret; - - ret = n8x0_auto_voltage_scale(); - if (ret < 0) - return ret; - ret = n8x0_auto_sleep_regulators(); - if (ret < 0) - return ret; - return 0; -} - -#else -static int n8x0_menelaus_late_init(struct device *dev) -{ - return 0; -} -#endif - -static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = { - .late_init = n8x0_menelaus_late_init, -}; - -static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = { - { - I2C_BOARD_INFO("menelaus", 0x72), - .irq = INT_24XX_SYS_NIRQ, - .platform_data = &n8x0_menelaus_platform_data, - }, -}; - -static struct aic3x_pdata n810_aic33_data __initdata = { - .gpio_reset = 118, -}; - -static struct i2c_board_info n810_i2c_board_info_2[] __initdata = { - { - I2C_BOARD_INFO("tlv320aic3x", 0x18), - .platform_data = &n810_aic33_data, - }, -}; - -#ifdef CONFIG_OMAP_MUX -static struct omap_board_mux board_mux[] __initdata = { - /* I2S codec port pins for McBSP block */ - OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT), - OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT), - OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT), - OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT), - { .reg_offset = OMAP_MUX_TERMINATOR }, -}; - -static struct omap_device_pad serial2_pads[] __initdata = { - { - .name = "uart3_rx_irrx.uart3_rx_irrx", - .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, - .enable = OMAP_MUX_MODE0, - .idle = OMAP_MUX_MODE3 /* Mux as GPIO for idle */ - }, -}; - -static inline void board_serial_init(void) -{ - struct omap_board_data bdata; - - bdata.flags = 0; - bdata.pads = NULL; - bdata.pads_cnt = 0; - - bdata.id = 0; - omap_serial_init_port(&bdata, NULL); - - bdata.id = 1; - omap_serial_init_port(&bdata, NULL); - - bdata.id = 2; - bdata.pads = serial2_pads; - bdata.pads_cnt = ARRAY_SIZE(serial2_pads); - omap_serial_init_port(&bdata, NULL); -} - -#else - -static inline void board_serial_init(void) -{ - omap_serial_init(); -} - -#endif - -static void __init n8x0_init_machine(void) -{ - omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC); - /* FIXME: add n810 spi devices */ - spi_register_board_info(n800_spi_board_info, - ARRAY_SIZE(n800_spi_board_info)); - omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1, - ARRAY_SIZE(n8x0_i2c_board_info_1)); - omap_register_i2c_bus(2, 400, NULL, 0); - if (machine_is_nokia_n810()) - i2c_register_board_info(2, n810_i2c_board_info_2, - ARRAY_SIZE(n810_i2c_board_info_2)); - board_serial_init(); - omap_sdrc_init(NULL, NULL); - gpmc_onenand_init(board_onenand_data); - n8x0_mmc_init(); - n8x0_usb_init(); -} - -MACHINE_START(NOKIA_N800, "Nokia N800") - .atag_offset = 0x100, - .reserve = omap_reserve, - .map_io = omap242x_map_io, - .init_early = omap2420_init_early, - .init_irq = omap2_init_irq, - .handle_irq = omap2_intc_handle_irq, - .init_machine = n8x0_init_machine, - .timer = &omap2_timer, - .restart = omap_prcm_restart, -MACHINE_END - -MACHINE_START(NOKIA_N810, "Nokia N810") - .atag_offset = 0x100, - .reserve = omap_reserve, - .map_io = omap242x_map_io, - .init_early = omap2420_init_early, - .init_irq = omap2_init_irq, - .handle_irq = omap2_intc_handle_irq, - .init_machine = n8x0_init_machine, - .timer = &omap2_timer, - .restart = omap_prcm_restart, -MACHINE_END - -MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX") - .atag_offset = 0x100, - .reserve = omap_reserve, - .map_io = omap242x_map_io, - .init_early = omap2420_init_early, - .init_irq = omap2_init_irq, - .handle_irq = omap2_intc_handle_irq, - .init_machine = n8x0_init_machine, - .timer = &omap2_timer, - .restart = omap_prcm_restart, -MACHINE_END |