linux-sg2042/arch/arm/mach-kirkwood/sheevaplug-setup.c

162 lines
3.9 KiB
C

/*
* arch/arm/mach-kirkwood/sheevaplug-setup.c
*
* Marvell SheevaPlug Reference Board Setup
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/mtd/partitions.h>
#include <linux/mv643xx_eth.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include <plat/mvsdio.h>
#include "common.h"
#include "mpp.h"
static struct mtd_partition sheevaplug_nand_parts[] = {
{
.name = "u-boot",
.offset = 0,
.size = SZ_1M
}, {
.name = "uImage",
.offset = MTDPART_OFS_NXTBLK,
.size = SZ_4M
}, {
.name = "root",
.offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL
},
};
static struct mv643xx_eth_platform_data sheevaplug_ge00_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(0),
};
static struct mv_sata_platform_data sheeva_esata_sata_data = {
.n_ports = 2,
};
static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
/* unfortunately the CD signal has not been connected */
};
static struct mvsdio_platform_data sheeva_esata_mvsdio_data = {
.gpio_write_protect = 44, /* MPP44 used as SD write protect */
.gpio_card_detect = 47, /* MPP47 used as SD card detect */
};
static struct gpio_led sheevaplug_led_pins[] = {
{
.name = "plug:red:misc",
.default_trigger = "none",
.gpio = 46,
.active_low = 1,
},
{
.name = "plug:green:health",
.default_trigger = "default-on",
.gpio = 49,
.active_low = 1,
},
};
static struct gpio_led_platform_data sheevaplug_led_data = {
.leds = sheevaplug_led_pins,
.num_leds = ARRAY_SIZE(sheevaplug_led_pins),
};
static struct platform_device sheevaplug_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &sheevaplug_led_data,
}
};
static unsigned int sheevaplug_mpp_config[] __initdata = {
MPP29_GPIO, /* USB Power Enable */
MPP46_GPIO, /* LED Red */
MPP49_GPIO, /* LED */
0
};
static unsigned int sheeva_esata_mpp_config[] __initdata = {
MPP29_GPIO, /* USB Power Enable */
MPP44_GPIO, /* SD Write Protect */
MPP47_GPIO, /* SD Card Detect */
MPP49_GPIO, /* LED Green */
0
};
static void __init sheevaplug_init(void)
{
/*
* Basic setup. Needs to be called early.
*/
kirkwood_init();
/* setup gpio pin select */
if (machine_is_esata_sheevaplug())
kirkwood_mpp_conf(sheeva_esata_mpp_config);
else
kirkwood_mpp_conf(sheevaplug_mpp_config);
kirkwood_uart0_init();
kirkwood_nand_init(ARRAY_AND_SIZE(sheevaplug_nand_parts), 25);
if (gpio_request(29, "USB Power Enable") != 0 ||
gpio_direction_output(29, 1) != 0)
printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
kirkwood_ehci_init();
kirkwood_ge00_init(&sheevaplug_ge00_data);
/* honor lower power consumption for plugs with out eSATA */
if (machine_is_esata_sheevaplug())
kirkwood_sata_init(&sheeva_esata_sata_data);
/* enable sd wp and sd cd on plugs with esata */
if (machine_is_esata_sheevaplug())
kirkwood_sdio_init(&sheeva_esata_mvsdio_data);
else
kirkwood_sdio_init(&sheevaplug_mvsdio_data);
platform_device_register(&sheevaplug_leds);
}
#ifdef CONFIG_MACH_SHEEVAPLUG
MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
/* Maintainer: shadi Ammouri <shadi@marvell.com> */
.atag_offset = 0x100,
.init_machine = sheevaplug_init,
.map_io = kirkwood_map_io,
.init_early = kirkwood_init_early,
.init_irq = kirkwood_init_irq,
.timer = &kirkwood_timer,
.restart = kirkwood_restart,
MACHINE_END
#endif
#ifdef CONFIG_MACH_ESATA_SHEEVAPLUG
MACHINE_START(ESATA_SHEEVAPLUG, "Marvell eSATA SheevaPlug Reference Board")
.atag_offset = 0x100,
.init_machine = sheevaplug_init,
.map_io = kirkwood_map_io,
.init_early = kirkwood_init_early,
.init_irq = kirkwood_init_irq,
.timer = &kirkwood_timer,
.restart = kirkwood_restart,
MACHINE_END
#endif