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/*
* arch/arm/mach-kirkwood/openrd-setup.c
*
* Marvell OpenRD (Base|Client|Ultimate) 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/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/ata_platform.h>
#include <linux/mv643xx_eth.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include <linux/platform_data/mmc-mvsdio.h>
#include "common.h"
#include "mpp.h"
static struct mtd_partition openrd_nand_parts[] = {
{
.name = "u-boot",
.offset = 0,
.size = SZ_1M,
.mask_flags = MTD_WRITEABLE
}, {
.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 openrd_ge00_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(8),
};
static struct mv643xx_eth_platform_data openrd_ge01_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(24),
};
static struct mv_sata_platform_data openrd_sata_data = {
.n_ports = 2,
};
static struct mvsdio_platform_data openrd_mvsdio_data = {
.gpio_card_detect = 29, /* MPP29 used as SD card detect */
.gpio_write_protect = -1,
};
static unsigned int openrd_mpp_config[] __initdata = {
MPP12_SD_CLK,
MPP13_SD_CMD,
MPP14_SD_D0,
MPP15_SD_D1,
MPP16_SD_D2,
MPP17_SD_D3,
MPP28_GPIO,
MPP29_GPIO,
MPP34_GPIO,
0
};
/* Configure MPP for UART1 */
static unsigned int openrd_uart1_mpp_config[] __initdata = {
MPP13_UART1_TXD,
MPP14_UART1_RXD,
0
};
static struct i2c_board_info i2c_board_info[] __initdata = {
{
I2C_BOARD_INFO("cs42l51", 0x4a),
},
};
static struct platform_device openrd_client_audio_device = {
.name = "openrd-client-audio",
.id = -1,
};
static int __initdata uart1;
static int __init sd_uart_selection(char *str)
{
uart1 = -EINVAL;
/* Default is SD. Change if required, for UART */
if (!str)
return 0;
if (!strncmp(str, "232", 3)) {
uart1 = 232;
} else if (!strncmp(str, "485", 3)) {
/* OpenRD-Base doesn't have RS485. Treat is as an
* unknown argument & just have default setting -
* which is SD */
if (machine_is_openrd_base()) {
uart1 = -ENODEV;
return 1;
}
uart1 = 485;
}
return 1;
}
/* Parse boot_command_line string kw_openrd_init_uart1=232/485 */
__setup("kw_openrd_init_uart1=", sd_uart_selection);
static int __init uart1_mpp_config(void)
{
kirkwood_mpp_conf(openrd_uart1_mpp_config);
if (gpio_request(34, "SD_UART1_SEL")) {
pr_err("GPIO request 34 failed for SD/UART1 selection\n");
return -EIO;
}
if (gpio_request(28, "RS232_RS485_SEL")) {
pr_err("GPIO request 28 failed for RS232/RS485 selection\n");
gpio_free(34);
return -EIO;
}
/* Select UART1
* Pin # 34: 0 => UART1, 1 => SD */
gpio_direction_output(34, 0);
/* Select RS232 OR RS485
* Pin # 28: 0 => RS232, 1 => RS485 */
if (uart1 == 232)
gpio_direction_output(28, 0);
else
gpio_direction_output(28, 1);
gpio_free(34);
gpio_free(28);
return 0;
}
static void __init openrd_init(void)
{
/*
* Basic setup. Needs to be called early.
*/
kirkwood_init();
kirkwood_mpp_conf(openrd_mpp_config);
kirkwood_uart0_init();
kirkwood_nand_init(openrd_nand_parts, ARRAY_SIZE(openrd_nand_parts),
25);
kirkwood_ehci_init();
if (machine_is_openrd_ultimate()) {
openrd_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0);
openrd_ge01_data.phy_addr = MV643XX_ETH_PHY_ADDR(1);
}
kirkwood_ge00_init(&openrd_ge00_data);
if (!machine_is_openrd_base())
kirkwood_ge01_init(&openrd_ge01_data);
kirkwood_sata_init(&openrd_sata_data);
kirkwood_i2c_init();
if (machine_is_openrd_client() || machine_is_openrd_ultimate()) {
platform_device_register(&openrd_client_audio_device);
i2c_register_board_info(0, i2c_board_info,
ARRAY_SIZE(i2c_board_info));
kirkwood_audio_init();
}
if (uart1 <= 0) {
if (uart1 < 0)
pr_err("Invalid kernel parameter to select UART1. Defaulting to SD. ERROR CODE: %d\n",
uart1);
/* Select SD
* Pin # 34: 0 => UART1, 1 => SD */
if (gpio_request(34, "SD_UART1_SEL")) {
pr_err("GPIO request 34 failed for SD/UART1 selection\n");
} else {
gpio_direction_output(34, 1);
gpio_free(34);
kirkwood_sdio_init(&openrd_mvsdio_data);
}
} else {
if (!uart1_mpp_config())
kirkwood_uart1_init();
}
}
static int __init openrd_pci_init(void)
{
if (machine_is_openrd_base() ||
machine_is_openrd_client() ||
machine_is_openrd_ultimate())
kirkwood_pcie_init(KW_PCIE0);
return 0;
}
subsys_initcall(openrd_pci_init);
#ifdef CONFIG_MACH_OPENRD_BASE
MACHINE_START(OPENRD_BASE, "Marvell OpenRD Base Board")
/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
.atag_offset = 0x100,
.init_machine = openrd_init,
.map_io = kirkwood_map_io,
.init_early = kirkwood_init_early,
.init_irq = kirkwood_init_irq,
.init_time = kirkwood_timer_init,
.restart = kirkwood_restart,
MACHINE_END
#endif
#ifdef CONFIG_MACH_OPENRD_CLIENT
MACHINE_START(OPENRD_CLIENT, "Marvell OpenRD Client Board")
/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
.atag_offset = 0x100,
.init_machine = openrd_init,
.map_io = kirkwood_map_io,
.init_early = kirkwood_init_early,
.init_irq = kirkwood_init_irq,
.init_time = kirkwood_timer_init,
.restart = kirkwood_restart,
MACHINE_END
#endif
#ifdef CONFIG_MACH_OPENRD_ULTIMATE
MACHINE_START(OPENRD_ULTIMATE, "Marvell OpenRD Ultimate Board")
/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
.atag_offset = 0x100,
.init_machine = openrd_init,
.map_io = kirkwood_map_io,
.init_early = kirkwood_init_early,
.init_irq = kirkwood_init_irq,
.init_time = kirkwood_timer_init,
.restart = kirkwood_restart,
MACHINE_END
#endif
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