/*
* Copyright (C) 2010 - ISEE 2007 SL
*
* 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>
#include <linux/mmc/host.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <plat/board.h>
#include <plat/common.h>
#include <plat/gpmc.h>
#include <plat/usb.h>
#include <plat/onenand.h>
#include "mux.h"
#include "hsmmc.h"
#include "sdram-numonyx-m65kxxxxam.h"
#define IGEP3_GPIO_LED0_GREEN 54
#define IGEP3_GPIO_LED0_RED 53
#define IGEP3_GPIO_LED1_RED 16
#define IGEP3_GPIO_WIFI_NPD 138
#define IGEP3_GPIO_WIFI_NRESET 139
#define IGEP3_GPIO_BT_NRESET 137
#define IGEP3_GPIO_USBH_NRESET 115
#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
#define ONENAND_MAP 0x20000000
/*
* x2 Flash built-in COMBO POP MEMORY
* Since the device is equipped with two DataRAMs, and two-plane NAND
* Flash memory array, these two component enables simultaneous program
* of 4KiB. Plane1 has only even blocks such as block0, block2, block4
* while Plane2 has only odd blocks such as block1, block3, block5.
* So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
*/
static struct mtd_partition igep3_onenand_partitions[] = {
{
.name = "X-Loader",
.offset = 0,
.size = 2 * (64*(2*2048))
},
{
.name = "U-Boot",
.offset = MTDPART_OFS_APPEND,
.size = 6 * (64*(2*2048)),
},
{
.name = "Environment",
.offset = MTDPART_OFS_APPEND,
.size = 2 * (64*(2*2048)),
},
{
.name = "Kernel",
.offset = MTDPART_OFS_APPEND,
.size = 12 * (64*(2*2048)),
},
{
.name = "File System",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct omap_onenand_platform_data igep3_onenand_pdata = {
.parts = igep3_onenand_partitions,
.nr_parts = ARRAY_SIZE(igep3_onenand_partitions),
.onenand_setup = NULL,
.dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
};
static struct platform_device igep3_onenand_device = {
.name = "omap2-onenand",
.id = -1,
.dev = {
.platform_data = &igep3_onenand_pdata,
},
};
void __init igep3_flash_init(void)
{
u8 cs = 0;
u8 onenandcs = GPMC_CS_NUM + 1;
for (cs = 0; cs < GPMC_CS_NUM; cs++) {
u32 ret;
ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
/* Check if NAND/oneNAND is configured */
if ((ret & 0xC00) == 0x800)
/* NAND found */
pr_err("IGEP3: Unsupported NAND found\n");
else {
ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
if ((ret & 0x3F) == (ONENAND_MAP >> 24))
/* OneNAND found */
onenandcs = cs;
}
}
if (onenandcs > GPMC_CS_NUM) {
pr_err("IGEP3: Unable to find configuration in GPMC\n");
return;
}
igep3_onenand_pdata.cs = onenandcs;
if (platform_device_register(&igep3_onenand_device) < 0)
pr_err("IGEP3: Unable to register OneNAND device\n");
}
#else
void __init igep3_flash_init(void) {}
#endif
static struct regulator_consumer_supply igep3_vmmc1_supply = {
.supply = "vmmc",
};
/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
static struct regulator_init_data igep3_vmmc1 = {
.constraints = {
.min_uV = 1850000,
.max_uV = 3150000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
.consumer_supplies = &igep3_vmmc1_supply,
};
static struct omap2_hsmmc_info mmc[] = {
[0] = {
.mmc = 1,
.caps = MMC_CAP_4_BIT_DATA,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
},
#if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
[1] = {
.mmc = 2,
.caps = MMC_CAP_4_BIT_DATA,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
},
#endif
{} /* Terminator */
};
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
#include <linux/leds.h>
static struct gpio_led igep3_gpio_leds[] = {
[0] = {
.name = "gpio-led:red:d0",
.gpio = IGEP3_GPIO_LED0_RED,
.default_trigger = "default-off"
},
[1] = {
.name = "gpio-led:green:d0",
.gpio = IGEP3_GPIO_LED0_GREEN,
.default_trigger = "default-off",
},
[2] = {
.name = "gpio-led:red:d1",
.gpio = IGEP3_GPIO_LED1_RED,
.default_trigger = "default-off",
},
[3] = {
.name = "gpio-led:green:d1",
.default_trigger = "heartbeat",
.gpio = -EINVAL, /* gets replaced */
},
};
static struct gpio_led_platform_data igep3_led_pdata = {
.leds = igep3_gpio_leds,
.num_leds = ARRAY_SIZE(igep3_gpio_leds),
};
static struct platform_device igep3_led_device = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &igep3_led_pdata,
},
};
static void __init igep3_leds_init(void)
{
platform_device_register(&igep3_led_device);
}
#else
static inline void igep3_leds_init(void)
{
if ((gpio_request(IGEP3_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
(gpio_direction_output(IGEP3_GPIO_LED0_RED, 1) == 0)) {
gpio_export(IGEP3_GPIO_LED0_RED, 0);
gpio_set_value(IGEP3_GPIO_LED0_RED, 1);
} else
pr_warning("IGEP3: Could not obtain gpio GPIO_LED0_RED\n");
if ((gpio_request(IGEP3_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
(gpio_direction_output(IGEP3_GPIO_LED0_GREEN, 1) == 0)) {
gpio_export(IGEP3_GPIO_LED0_GREEN, 0);
gpio_set_value(IGEP3_GPIO_LED0_GREEN, 1);
} else
pr_warning("IGEP3: Could not obtain gpio GPIO_LED0_GREEN\n");
if ((gpio_request(IGEP3_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
(gpio_direction_output(IGEP3_GPIO_LED1_RED, 1) == 0)) {
gpio_export(IGEP3_GPIO_LED1_RED, 0);
gpio_set_value(IGEP3_GPIO_LED1_RED, 1);
} else
pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_RED\n");
}
#endif
static int igep3_twl4030_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
/* gpio + 0 is "mmc0_cd" (input/IRQ) */
mmc[0].gpio_cd = gpio + 0;
omap2_hsmmc_init(mmc);
/*
* link regulators to MMC adapters ... we "know" the
* regulators will be set up only *after* we return.
*/
igep3_vmmc1_supply.dev = mmc[0].dev;
/* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
#if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
&& (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0)) {
gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
gpio_set_value(gpio + TWL4030_GPIO_MAX + 1, 0);
} else
pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_GREEN\n");
#else
igep3_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
#endif
return 0;
};
static struct twl4030_gpio_platform_data igep3_twl4030_gpio_pdata = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
.use_leds = true,
.setup = igep3_twl4030_gpio_setup,
};
static struct twl4030_usb_data igep3_twl4030_usb_data = {
.usb_mode = T2_USB_MODE_ULPI,
};
static void __init igep3_init_irq(void)
{
omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params);
omap_init_irq();
omap_gpio_init();
}
static struct twl4030_platform_data igep3_twl4030_pdata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
.usb = &igep3_twl4030_usb_data,
.gpio = &igep3_twl4030_gpio_pdata,
.vmmc1 = &igep3_vmmc1,
};
static struct i2c_board_info __initdata igep3_i2c_boardinfo[] = {
{
I2C_BOARD_INFO("twl4030", 0x48),
.flags = I2C_CLIENT_WAKE,
.irq = INT_34XX_SYS_NIRQ,
.platform_data = &igep3_twl4030_pdata,
},
};
static int __init igep3_i2c_init(void)
{
omap_register_i2c_bus(1, 2600, igep3_i2c_boardinfo,
ARRAY_SIZE(igep3_i2c_boardinfo));
return 0;
}
static struct omap_musb_board_data musb_board_data = {
.interface_type = MUSB_INTERFACE_ULPI,
.mode = MUSB_OTG,
.power = 100,
};
#if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
static void __init igep3_wifi_bt_init(void)
{
/* Configure MUX values for W-LAN + Bluetooth GPIO's */
omap_mux_init_gpio(IGEP3_GPIO_WIFI_NPD, OMAP_PIN_OUTPUT);
omap_mux_init_gpio(IGEP3_GPIO_WIFI_NRESET, OMAP_PIN_OUTPUT);
omap_mux_init_gpio(IGEP3_GPIO_BT_NRESET, OMAP_PIN_OUTPUT);
/* Set GPIO's for W-LAN + Bluetooth combo module */
if ((gpio_request(IGEP3_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) &&
(gpio_direction_output(IGEP3_GPIO_WIFI_NPD, 1) == 0)) {
gpio_export(IGEP3_GPIO_WIFI_NPD, 0);
} else
pr_warning("IGEP3: Could not obtain gpio GPIO_WIFI_NPD\n");
if ((gpio_request(IGEP3_GPIO_WIFI_NRESET, "GPIO_WIFI_NRESET") == 0) &&
(gpio_direction_output(IGEP3_GPIO_WIFI_NRESET, 1) == 0)) {
gpio_export(IGEP3_GPIO_WIFI_NRESET, 0);
gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 0);
udelay(10);
gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 1);
} else
pr_warning("IGEP3: Could not obtain gpio GPIO_WIFI_NRESET\n");
if ((gpio_request(IGEP3_GPIO_BT_NRESET, "GPIO_BT_NRESET") == 0) &&
(gpio_direction_output(IGEP3_GPIO_BT_NRESET, 1) == 0)) {
gpio_export(IGEP3_GPIO_BT_NRESET, 0);
} else
pr_warning("IGEP3: Could not obtain gpio GPIO_BT_NRESET\n");
}
#else
void __init igep3_wifi_bt_init(void) {}
#endif
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#else
#define board_mux NULL
#endif
static void __init igep3_init(void)
{
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
/* Register I2C busses and drivers */
igep3_i2c_init();
omap_serial_init();
usb_musb_init(&musb_board_data);
igep3_flash_init();
igep3_leds_init();
/*
* WLAN-BT combo module from MuRata wich has a Marvell WLAN
* (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
*/
igep3_wifi_bt_init();
}
MACHINE_START(IGEP0030, "IGEP OMAP3 module")
.boot_params = 0x80000100,
.map_io = omap3_map_io,
.init_irq = igep3_init_irq,
.init_machine = igep3_init,
.timer = &omap_timer,
MACHINE_END
