diff options
Diffstat (limited to 'target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516.c')
| -rw-r--r-- | target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516.c b/target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516.c new file mode 100644 index 000000000..0e146ac84 --- /dev/null +++ b/target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516.c @@ -0,0 +1,201 @@ +/* + * linux/arch/mips/jz4740/board-516.c + * + * JZ4740 n516 board setup routines. + * + * Copyright (c) 2009, Yauhen Kharuzhy <jekhor@gmail.com> + * + * 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. + */ + +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/ioport.h> +#include <linux/mm.h> +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mmc/jz4740_mmc.h> +#include <linux/mtd/jz4740_nand.h> +#include <linux/leds.h> + +#include <linux/power_supply.h> +#include <linux/power/gpio-charger.h> + +#include <linux/i2c.h> +#include <linux/i2c-gpio.h> + +#include <asm/mach-jz4740/board-n516.h> +#include <asm/mach-jz4740/platform.h> + +#include "clock.h" + +static long n516_panic_blink(long time) +{ + gpio_set_value(GPIO_LED_ENABLE, 1); + mdelay(200); + gpio_set_value(GPIO_LED_ENABLE, 0); + mdelay(200); + + return 400; +} + +static void __init board_gpio_setup(void) +{ +/* jz_gpio_enable_pullup(JZ_GPIO_PORTD(23)); + jz_gpio_enable_pullup(JZ_GPIO_PORTD(24));*/ +} + +static struct i2c_gpio_platform_data n516_i2c_pdata = { + .sda_pin = JZ_GPIO_PORTD(23), + .scl_pin = JZ_GPIO_PORTD(24), + .udelay = 2, + .timeout = 3 * HZ, +}; + +static struct platform_device n516_i2c_device = { + .name = "i2c-gpio", + .id = -1, + .dev = { + .platform_data = &n516_i2c_pdata, + }, +}; + +static const struct i2c_board_info n516_i2c_board_info[] = { + { + .type = "LPC524", + .addr = 0x54, + }, + { + .type = "lm75a", + .addr = 0x48, + } +}; + +static struct jz4740_mmc_platform_data n516_mmc_pdata = { + .gpio_card_detect = GPIO_SD_CD_N, + .card_detect_active_low = 1, + .gpio_read_only = -1, + .gpio_power = GPIO_SD_VCC_EN_N, + .power_active_low = 1, +}; + +static struct gpio_led n516_leds[] = { + { + .name = "n516:blue:power", + .gpio = GPIO_LED_ENABLE, + .default_state = LEDS_GPIO_DEFSTATE_ON, + .default_trigger = "nand-disk", + } +}; + +static struct gpio_led_platform_data n516_leds_pdata = { + .leds = n516_leds, + .num_leds = ARRAY_SIZE(n516_leds), +}; + +static struct platform_device n516_leds_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &n516_leds_pdata, + }, +}; + +static struct mtd_partition n516_partitions[] = { + { .name = "NAND BOOT partition", + .offset = 0 * 0x100000, + .size = 4 * 0x100000, + }, + { .name = "NAND KERNEL partition", + .offset = 4 * 0x100000, + .size = 4 * 0x100000, + }, + { .name = "NAND ROOTFS partition", + .offset = 8 * 0x100000, + .size = 504 * 0x100000, + }, +}; + +static struct nand_ecclayout n516_ecclayout = { + .eccbytes = 36, + .eccpos = { + 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 36, 37, 38, 39, 40, 41, + }, + .oobfree = { + {.offset = 2, + .length = 4}, + {.offset = 42, + .length = 22}} +}; + +static struct jz_nand_platform_data n516_nand_pdata = { + .ecc_layout = &n516_ecclayout, + .partitions = n516_partitions, + .num_partitions = ARRAY_SIZE(n516_partitions), + .busy_gpio = 94, +}; + +static char *n516_batteries[] = { + "n516_battery", +}; + +static struct gpio_charger_platform_data n516_charger_pdata = { + .name = "usb", + .type = POWER_SUPPLY_TYPE_USB, + .gpio = GPIO_USB_DETECT, + .gpio_active_low = 1, + .batteries = n516_batteries, + .num_batteries = ARRAY_SIZE(n516_batteries), +}; + +static struct platform_device n516_charger_device = { + .name = "gpio-charger", + .dev = { + .platform_data = &n516_charger_pdata, + }, +}; + +static struct platform_device *n516_devices[] __initdata = { + &jz4740_nand_device, + &n516_leds_device, + &jz4740_mmc_device, + &jz4740_i2s_device, + &jz4740_codec_device, + &jz4740_rtc_device, + &jz4740_usb_gdt_device, + &n516_i2c_device, + &n516_charger_device, +}; + +struct jz4740_clock_board_data jz4740_clock_bdata = { + .ext_rate = 12000000, + .rtc_rate = 32768, +}; + +extern int jz_gpiolib_init(void); + +static int n516_setup_platform(void) +{ + if (jz_gpiolib_init()) + panic("Failed to initalize jz gpio\n"); + + jz4740_clock_init(); + board_gpio_setup(); + + panic_blink = n516_panic_blink; + i2c_register_board_info(0, n516_i2c_board_info, ARRAY_SIZE(n516_i2c_board_info)); + jz4740_mmc_device.dev.platform_data = &n516_mmc_pdata; + jz4740_nand_device.dev.platform_data = &n516_nand_pdata; + + return platform_add_devices(n516_devices, ARRAY_SIZE(n516_devices)); +} +arch_initcall(n516_setup_platform); |