[deliverable/linux.git] / arch / arm / mach-kirkwood / openrd-setup.c

/*
 * 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 <plat/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 */
};

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 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")) {
		printk(KERN_ERR "GPIO request failed for SD/UART1 selection"
				", gpio: 34\n");
		return -EIO;
	}

	if (gpio_request(28, "RS232_RS485_SEL")) {
		printk(KERN_ERR "GPIO request failed for RS232/RS485 selection"
				", gpio# 28\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(ARRAY_AND_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()) {
		i2c_register_board_info(0, i2c_board_info,
			ARRAY_SIZE(i2c_board_info));
		kirkwood_audio_init();
	}

	if (uart1 <= 0) {
		if (uart1 < 0)
			printk(KERN_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")) {
			printk(KERN_ERR "GPIO request failed for SD/UART1 "
					"selection, gpio: 34\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> */
	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
	.boot_params	= 0x00000100,
	.init_machine	= openrd_init,
	.map_io		= kirkwood_map_io,
	.init_irq	= kirkwood_init_irq,
	.timer		= &kirkwood_timer,
MACHINE_END
#endif

#ifdef CONFIG_MACH_OPENRD_CLIENT
MACHINE_START(OPENRD_CLIENT, "Marvell OpenRD Client Board")
	/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
	.boot_params	= 0x00000100,
	.init_machine	= openrd_init,
	.map_io		= kirkwood_map_io,
	.init_irq	= kirkwood_init_irq,
	.timer		= &kirkwood_timer,
MACHINE_END
#endif

#ifdef CONFIG_MACH_OPENRD_ULTIMATE
MACHINE_START(OPENRD_ULTIMATE, "Marvell OpenRD Ultimate Board")
	/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
	.boot_params	= 0x00000100,
	.init_machine	= openrd_init,
	.map_io		= kirkwood_map_io,
	.init_irq	= kirkwood_init_irq,
	.timer		= &kirkwood_timer,
MACHINE_END
#endif
Commit	Line	Data
b2fdb566 AC	1	/*
	2	* arch/arm/mach-kirkwood/openrd-setup.c
	3	*
43b56074	4	* Marvell OpenRD (Base\|Client\|Ultimate) Board Setup
b2fdb566 AC	5	*
	6	* This file is licensed under the terms of the GNU General Public
	7	* License version 2. This program is licensed "as is" without any
	8	* warranty of any kind, whether express or implied.
	9	*/
	10
	11	#include <linux/kernel.h>
	12	#include <linux/init.h>
	13	#include <linux/platform_device.h>
	14	#include <linux/mtd/nand.h>
	15	#include <linux/mtd/partitions.h>
	16	#include <linux/ata_platform.h>
	17	#include <linux/mv643xx_eth.h>
492e2bf1	18	#include <linux/i2c.h>
fd2ce9c5	19	#include <linux/gpio.h>
b2fdb566 AC	20	#include <asm/mach-types.h>
	21	#include <asm/mach/arch.h>
	22	#include <mach/kirkwood.h>
	23	#include <plat/mvsdio.h>
	24	#include "common.h"
	25	#include "mpp.h"
	26
	27	static struct mtd_partition openrd_nand_parts[] = {
	28	{
	29	.name = "u-boot",
	30	.offset = 0,
	31	.size = SZ_1M,
	32	.mask_flags = MTD_WRITEABLE
	33	}, {
	34	.name = "uImage",
	35	.offset = MTDPART_OFS_NXTBLK,
	36	.size = SZ_4M
	37	}, {
	38	.name = "root",
	39	.offset = MTDPART_OFS_NXTBLK,
	40	.size = MTDPART_SIZ_FULL
	41	},
	42	};
	43
	44	static struct mv643xx_eth_platform_data openrd_ge00_data = {
	45	.phy_addr = MV643XX_ETH_PHY_ADDR(8),
	46	};
	47
	48	static struct mv643xx_eth_platform_data openrd_ge01_data = {
	49	.phy_addr = MV643XX_ETH_PHY_ADDR(24),
	50	};
	51
	52	static struct mv_sata_platform_data openrd_sata_data = {
	53	.n_ports = 2,
	54	};
	55
	56	static struct mvsdio_platform_data openrd_mvsdio_data = {
	57	.gpio_card_detect = 29, /* MPP29 used as SD card detect */
	58	};
	59
	60	static unsigned int openrd_mpp_config[] __initdata = {
fd2ce9c5 TU	61	MPP12_SD_CLK,
	62	MPP13_SD_CMD,
	63	MPP14_SD_D0,
	64	MPP15_SD_D1,
	65	MPP16_SD_D2,
	66	MPP17_SD_D3,
	67	MPP28_GPIO,
b2fdb566	68	MPP29_GPIO,
fd2ce9c5 TU	69	MPP34_GPIO,
	70	0
	71	};
	72
	73	/* Configure MPP for UART1 */
	74	static unsigned int openrd_uart1_mpp_config[] __initdata = {
	75	MPP13_UART1_TXD,
	76	MPP14_UART1_RXD,
b2fdb566 AC	77	0
	78	};
	79
492e2bf1	80	static struct i2c_board_info i2c_board_info[] __initdata = {
	81	{
	82	I2C_BOARD_INFO("cs42l51", 0x4a),
	83	},
	84	};
	85
fd2ce9c5 TU	86	static int __initdata uart1;
	87
	88	static int __init sd_uart_selection(char *str)
	89	{
	90	uart1 = -EINVAL;
	91
	92	/* Default is SD. Change if required, for UART */
	93	if (!str)
	94	return 0;
	95
	96	if (!strncmp(str, "232", 3)) {
	97	uart1 = 232;
	98	} else if (!strncmp(str, "485", 3)) {
	99	/* OpenRD-Base doesn't have RS485. Treat is as an
	100	* unknown argument & just have default setting -
	101	* which is SD */
	102	if (machine_is_openrd_base()) {
	103	uart1 = -ENODEV;
	104	return 1;
	105	}
	106
	107	uart1 = 485;
	108	}
	109	return 1;
	110	}
	111	/* Parse boot_command_line string kw_openrd_init_uart1=232/485 */
	112	__setup("kw_openrd_init_uart1=", sd_uart_selection);
	113
	114	static int __init uart1_mpp_config(void)
	115	{
	116	kirkwood_mpp_conf(openrd_uart1_mpp_config);
	117
	118	if (gpio_request(34, "SD_UART1_SEL")) {
	119	printk(KERN_ERR "GPIO request failed for SD/UART1 selection"
	120	", gpio: 34\n");
	121	return -EIO;
	122	}
	123
	124	if (gpio_request(28, "RS232_RS485_SEL")) {
	125	printk(KERN_ERR "GPIO request failed for RS232/RS485 selection"
	126	", gpio# 28\n");
	127	gpio_free(34);
	128	return -EIO;
	129	}
	130
	131	/* Select UART1
	132	* Pin # 34: 0 => UART1, 1 => SD */
	133	gpio_direction_output(34, 0);
	134
	135	/* Select RS232 OR RS485
	136	* Pin # 28: 0 => RS232, 1 => RS485 */
	137	if (uart1 == 232)
	138	gpio_direction_output(28, 0);
	139	else
	140	gpio_direction_output(28, 1);
	141
	142	gpio_free(34);
	143	gpio_free(28);
	144
	145	return 0;
	146	}
	147
b2fdb566 AC	148	static void __init openrd_init(void)
	149	{
	150	/*
	151	* Basic setup. Needs to be called early.
	152	*/
	153	kirkwood_init();
	154	kirkwood_mpp_conf(openrd_mpp_config);
	155
	156	kirkwood_uart0_init();
	157	kirkwood_nand_init(ARRAY_AND_SIZE(openrd_nand_parts), 25);
	158
	159	kirkwood_ehci_init();
	160
43b56074 DM	161	if (machine_is_openrd_ultimate()) {
	162	openrd_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0);
	163	openrd_ge01_data.phy_addr = MV643XX_ETH_PHY_ADDR(1);
	164	}
	165
b2fdb566	166	kirkwood_ge00_init(&openrd_ge00_data);
43b56074	167	if (!machine_is_openrd_base())
b2fdb566	168	kirkwood_ge01_init(&openrd_ge01_data);
43b56074	169
b2fdb566	170	kirkwood_sata_init(&openrd_sata_data);
b2fdb566 AC	171
b2fdb566 AC	172	kirkwood_i2c_init();
492e2bf1	173
	174	if (machine_is_openrd_client()) {
	175	i2c_register_board_info(0, i2c_board_info,
	176	ARRAY_SIZE(i2c_board_info));
	177	kirkwood_audio_init();
	178	}
fd2ce9c5 TU	179
	180	if (uart1 <= 0) {
	181	if (uart1 < 0)
	182	printk(KERN_ERR "Invalid kernel parameter to select "
	183	"UART1. Defaulting to SD. ERROR CODE: %d\n",
	184	uart1);
	185
	186	/* Select SD
	187	* Pin # 34: 0 => UART1, 1 => SD */
	188	if (gpio_request(34, "SD_UART1_SEL")) {
	189	printk(KERN_ERR "GPIO request failed for SD/UART1 "
	190	"selection, gpio: 34\n");
	191	} else {
	192
	193	gpio_direction_output(34, 1);
	194	gpio_free(34);
	195	kirkwood_sdio_init(&openrd_mvsdio_data);
	196	}
	197	} else {
	198	if (!uart1_mpp_config())
	199	kirkwood_uart1_init();
	200	}
b2fdb566 AC	201	}
	202
	203	static int __init openrd_pci_init(void)
	204	{
43b56074 DM	205	if (machine_is_openrd_base() \|\|
	206	machine_is_openrd_client() \|\|
	207	machine_is_openrd_ultimate())
ffd58bd2	208	kirkwood_pcie_init(KW_PCIE0);
b2fdb566 AC	209
	210	return 0;
	211	}
	212	subsys_initcall(openrd_pci_init);
	213
	214	#ifdef CONFIG_MACH_OPENRD_BASE
	215	MACHINE_START(OPENRD_BASE, "Marvell OpenRD Base Board")
	216	/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
	217	.phys_io = KIRKWOOD_REGS_PHYS_BASE,
	218	.io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
	219	.boot_params = 0x00000100,
	220	.init_machine = openrd_init,
	221	.map_io = kirkwood_map_io,
	222	.init_irq = kirkwood_init_irq,
	223	.timer = &kirkwood_timer,
	224	MACHINE_END
	225	#endif
	226
	227	#ifdef CONFIG_MACH_OPENRD_CLIENT
	228	MACHINE_START(OPENRD_CLIENT, "Marvell OpenRD Client Board")
	229	/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
	230	.phys_io = KIRKWOOD_REGS_PHYS_BASE,
	231	.io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
	232	.boot_params = 0x00000100,
	233	.init_machine = openrd_init,
	234	.map_io = kirkwood_map_io,
	235	.init_irq = kirkwood_init_irq,
	236	.timer = &kirkwood_timer,
	237	MACHINE_END
	238	#endif
43b56074 DM	239
	240	#ifdef CONFIG_MACH_OPENRD_ULTIMATE
	241	MACHINE_START(OPENRD_ULTIMATE, "Marvell OpenRD Ultimate Board")
	242	/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
	243	.phys_io = KIRKWOOD_REGS_PHYS_BASE,
	244	.io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
	245	.boot_params = 0x00000100,
	246	.init_machine = openrd_init,
	247	.map_io = kirkwood_map_io,
	248	.init_irq = kirkwood_init_irq,
	249	.timer = &kirkwood_timer,
	250	MACHINE_END
	251	#endif