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/*
* Copyright 2012 (C), Jason Cooper <jason@lakedaemon.net>
*
* arch/arm/mach-kirkwood/board-dt.c
*
* Marvell DreamPlug 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/mtd/partitions.h>
#include <linux/ata_platform.h>
#include <linux/mv643xx_eth.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_fdt.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>
#include <linux/spi/orion_spi.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/kirkwood.h>
#include <mach/bridge-regs.h>
#include <plat/mvsdio.h>
#include "common.h"
#include "mpp.h"
static struct of_device_id kirkwood_dt_match_table[] __initdata = {
{ .compatible = "simple-bus", },
{ }
};
struct mtd_partition dreamplug_partitions[] = {
{
.name = "u-boot",
.size = SZ_512K,
.offset = 0,
},
{
.name = "u-boot env",
.size = SZ_64K,
.offset = SZ_512K + SZ_512K,
},
{
.name = "dtb",
.size = SZ_64K,
.offset = SZ_512K + SZ_512K + SZ_512K,
},
};
static const struct flash_platform_data dreamplug_spi_slave_data = {
.type = "mx25l1606e",
.name = "spi_flash",
.parts = dreamplug_partitions,
.nr_parts = ARRAY_SIZE(dreamplug_partitions),
};
static struct spi_board_info __initdata dreamplug_spi_slave_info[] = {
{
.modalias = "m25p80",
.platform_data = &dreamplug_spi_slave_data,
.irq = -1,
.max_speed_hz = 50000000,
.bus_num = 0,
.chip_select = 0,
},
};
static struct mv643xx_eth_platform_data dreamplug_ge00_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(0),
};
static struct mv643xx_eth_platform_data dreamplug_ge01_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(1),
};
static struct mv_sata_platform_data dreamplug_sata_data = {
.n_ports = 1,
};
static struct mvsdio_platform_data dreamplug_mvsdio_data = {
/* unfortunately the CD signal has not been connected */
};
static struct gpio_led dreamplug_led_pins[] = {
{
.name = "dreamplug:blue:bluetooth",
.gpio = 47,
.active_low = 1,
},
{
.name = "dreamplug:green:wifi",
.gpio = 48,
.active_low = 1,
},
{
.name = "dreamplug:green:wifi_ap",
.gpio = 49,
.active_low = 1,
},
};
static struct gpio_led_platform_data dreamplug_led_data = {
.leds = dreamplug_led_pins,
.num_leds = ARRAY_SIZE(dreamplug_led_pins),
};
static struct platform_device dreamplug_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &dreamplug_led_data,
}
};
static unsigned int dreamplug_mpp_config[] __initdata = {
MPP0_SPI_SCn,
MPP1_SPI_MOSI,
MPP2_SPI_SCK,
MPP3_SPI_MISO,
MPP47_GPIO, /* Bluetooth LED */
MPP48_GPIO, /* Wifi LED */
MPP49_GPIO, /* Wifi AP LED */
0
};
static void __init dreamplug_init(void)
{
/*
* Basic setup. Needs to be called early.
*/
kirkwood_mpp_conf(dreamplug_mpp_config);
spi_register_board_info(dreamplug_spi_slave_info,
ARRAY_SIZE(dreamplug_spi_slave_info));
kirkwood_spi_init();
kirkwood_ehci_init();
kirkwood_ge00_init(&dreamplug_ge00_data);
kirkwood_ge01_init(&dreamplug_ge01_data);
kirkwood_sata_init(&dreamplug_sata_data);
kirkwood_sdio_init(&dreamplug_mvsdio_data);
platform_device_register(&dreamplug_leds);
}
static void __init kirkwood_dt_init(void)
{
pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk);
/*
* Disable propagation of mbus errors to the CPU local bus,
* as this causes mbus errors (which can occur for example
* for PCI aborts) to throw CPU aborts, which we're not set
* up to deal with.
*/
writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
kirkwood_setup_cpu_mbus();
#ifdef CONFIG_CACHE_FEROCEON_L2
kirkwood_l2_init();
#endif
/* internal devices that every board has */
kirkwood_rtc_init();
kirkwood_wdt_init();
kirkwood_xor0_init();
kirkwood_xor1_init();
kirkwood_crypto_init();
#ifdef CONFIG_KEXEC
kexec_reinit = kirkwood_enable_pcie;
#endif
if (of_machine_is_compatible("globalscale,dreamplug"))
dreamplug_init();
of_platform_populate(NULL, kirkwood_dt_match_table, NULL, NULL);
}
static const char *kirkwood_dt_board_compat[] = {
"globalscale,dreamplug",
NULL
};
DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)")
/* Maintainer: Jason Cooper <jason@lakedaemon.net> */
.map_io = kirkwood_map_io,
.init_early = kirkwood_init_early,
.init_irq = kirkwood_init_irq,
.timer = &kirkwood_timer,
.init_machine = kirkwood_dt_init,
.restart = kirkwood_restart,
.dt_compat = kirkwood_dt_board_compat,
MACHINE_END
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