197 lines
4.5 KiB
C
197 lines
4.5 KiB
C
/*
|
|
* linux/arch/arm/mach-omap2/board-ldp.c
|
|
*
|
|
* Copyright (C) 2008 Texas Instruments Inc.
|
|
* Nishant Kamat <nskamat@ti.com>
|
|
*
|
|
* Modified from mach-omap2/board-3430sdp.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/input.h>
|
|
#include <linux/workqueue.h>
|
|
#include <linux/err.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/spi/ads7846.h>
|
|
#include <linux/i2c/twl4030.h>
|
|
#include <linux/io.h>
|
|
#include <linux/smsc911x.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <mach/mcspi.h>
|
|
#include <mach/gpio.h>
|
|
#include <mach/board.h>
|
|
#include <mach/common.h>
|
|
#include <mach/gpmc.h>
|
|
|
|
#include <asm/delay.h>
|
|
#include <mach/control.h>
|
|
#include <mach/usb.h>
|
|
|
|
#include "mmc-twl4030.h"
|
|
|
|
#define LDP_SMSC911X_CS 1
|
|
#define LDP_SMSC911X_GPIO 152
|
|
#define DEBUG_BASE 0x08000000
|
|
#define LDP_ETHR_START DEBUG_BASE
|
|
|
|
static struct resource ldp_smsc911x_resources[] = {
|
|
[0] = {
|
|
.start = LDP_ETHR_START,
|
|
.end = LDP_ETHR_START + SZ_4K,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = 0,
|
|
.end = 0,
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
|
|
},
|
|
};
|
|
|
|
static struct smsc911x_platform_config ldp_smsc911x_config = {
|
|
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
|
|
.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
|
|
.flags = SMSC911X_USE_32BIT,
|
|
.phy_interface = PHY_INTERFACE_MODE_MII,
|
|
};
|
|
|
|
static struct platform_device ldp_smsc911x_device = {
|
|
.name = "smsc911x",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(ldp_smsc911x_resources),
|
|
.resource = ldp_smsc911x_resources,
|
|
.dev = {
|
|
.platform_data = &ldp_smsc911x_config,
|
|
},
|
|
};
|
|
|
|
static struct platform_device *ldp_devices[] __initdata = {
|
|
&ldp_smsc911x_device,
|
|
};
|
|
|
|
static inline void __init ldp_init_smsc911x(void)
|
|
{
|
|
int eth_cs;
|
|
unsigned long cs_mem_base;
|
|
int eth_gpio = 0;
|
|
|
|
eth_cs = LDP_SMSC911X_CS;
|
|
|
|
if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
|
|
printk(KERN_ERR "Failed to request GPMC mem for smsc911x\n");
|
|
return;
|
|
}
|
|
|
|
ldp_smsc911x_resources[0].start = cs_mem_base + 0x0;
|
|
ldp_smsc911x_resources[0].end = cs_mem_base + 0xff;
|
|
udelay(100);
|
|
|
|
eth_gpio = LDP_SMSC911X_GPIO;
|
|
|
|
ldp_smsc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio);
|
|
|
|
if (gpio_request(eth_gpio, "smsc911x irq") < 0) {
|
|
printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n",
|
|
eth_gpio);
|
|
return;
|
|
}
|
|
gpio_direction_input(eth_gpio);
|
|
}
|
|
|
|
static void __init omap_ldp_init_irq(void)
|
|
{
|
|
omap2_init_common_hw(NULL);
|
|
omap_init_irq();
|
|
omap_gpio_init();
|
|
ldp_init_smsc911x();
|
|
}
|
|
|
|
static struct omap_uart_config ldp_uart_config __initdata = {
|
|
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
|
|
};
|
|
|
|
static struct omap_board_config_kernel ldp_config[] __initdata = {
|
|
{ OMAP_TAG_UART, &ldp_uart_config },
|
|
};
|
|
|
|
static struct twl4030_gpio_platform_data ldp_gpio_data = {
|
|
.gpio_base = OMAP_MAX_GPIO_LINES,
|
|
.irq_base = TWL4030_GPIO_IRQ_BASE,
|
|
.irq_end = TWL4030_GPIO_IRQ_END,
|
|
};
|
|
|
|
static struct twl4030_platform_data ldp_twldata = {
|
|
.irq_base = TWL4030_IRQ_BASE,
|
|
.irq_end = TWL4030_IRQ_END,
|
|
|
|
/* platform_data for children goes here */
|
|
.gpio = &ldp_gpio_data,
|
|
};
|
|
|
|
static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = {
|
|
{
|
|
I2C_BOARD_INFO("twl4030", 0x48),
|
|
.flags = I2C_CLIENT_WAKE,
|
|
.irq = INT_34XX_SYS_NIRQ,
|
|
.platform_data = &ldp_twldata,
|
|
},
|
|
};
|
|
|
|
static int __init omap_i2c_init(void)
|
|
{
|
|
omap_register_i2c_bus(1, 2600, ldp_i2c_boardinfo,
|
|
ARRAY_SIZE(ldp_i2c_boardinfo));
|
|
omap_register_i2c_bus(2, 400, NULL, 0);
|
|
omap_register_i2c_bus(3, 400, NULL, 0);
|
|
return 0;
|
|
}
|
|
|
|
static struct twl4030_hsmmc_info mmc[] __initdata = {
|
|
{
|
|
.mmc = 1,
|
|
.wires = 4,
|
|
.gpio_cd = -EINVAL,
|
|
.gpio_wp = -EINVAL,
|
|
},
|
|
{} /* Terminator */
|
|
};
|
|
|
|
static void __init omap_ldp_init(void)
|
|
{
|
|
omap_i2c_init();
|
|
platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
|
|
omap_board_config = ldp_config;
|
|
omap_board_config_size = ARRAY_SIZE(ldp_config);
|
|
omap_serial_init();
|
|
twl4030_mmc_init(mmc);
|
|
usb_musb_init();
|
|
}
|
|
|
|
static void __init omap_ldp_map_io(void)
|
|
{
|
|
omap2_set_globals_343x();
|
|
omap2_map_common_io();
|
|
}
|
|
|
|
MACHINE_START(OMAP_LDP, "OMAP LDP board")
|
|
.phys_io = 0x48000000,
|
|
.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
|
|
.boot_params = 0x80000100,
|
|
.map_io = omap_ldp_map_io,
|
|
.init_irq = omap_ldp_init_irq,
|
|
.init_machine = omap_ldp_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|