[deliverable/linux.git] / arch / arm / mach-nomadik / board-nhk8815.c

/*
 *  linux/arch/arm/mach-nomadik/board-8815nhk.c
 *
 *  Copyright (C) STMicroelectronics
 *
 * 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.
 *
 *  NHK15 board specifc driver definition
 */
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/amba/bus.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/onenand.h>
#include <linux/mtd/partitions.h>
#include <linux/io.h>
#include <asm/hardware/vic.h>
#include <asm/sizes.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>
#include <asm/mach/time.h>

#include <plat/gpio-nomadik.h>
#include <plat/mtu.h>

#include <mach/nand.h>
#include <mach/fsmc.h>

#include "cpu-8815.h"

/* Initial value for SRC control register: all timers use MXTAL/8 source */
#define SRC_CR_INIT_MASK	0x00007fff
#define SRC_CR_INIT_VAL		0x2aaa8000

/* These addresses span 16MB, so use three individual pages */
static struct resource nhk8815_nand_resources[] = {
	{
		.name = "nand_addr",
		.start = NAND_IO_ADDR,
		.end = NAND_IO_ADDR + 0xfff,
		.flags = IORESOURCE_MEM,
	}, {
		.name = "nand_cmd",
		.start = NAND_IO_CMD,
		.end = NAND_IO_CMD + 0xfff,
		.flags = IORESOURCE_MEM,
	}, {
		.name = "nand_data",
		.start = NAND_IO_DATA,
		.end = NAND_IO_DATA + 0xfff,
		.flags = IORESOURCE_MEM,
	}
};

static int nhk8815_nand_init(void)
{
	/* FSMC setup for nand chip select (8-bit nand in 8815NHK) */
	writel(0x0000000E, FSMC_PCR(0));
	writel(0x000D0A00, FSMC_PMEM(0));
	writel(0x00100A00, FSMC_PATT(0));

	/* enable access to the chip select area */
	writel(readl(FSMC_PCR(0)) | 0x04, FSMC_PCR(0));

	return 0;
}

/*
 * These partitions are the same as those used in the 2.6.20 release
 * shipped by the vendor; the first two partitions are mandated
 * by the boot ROM, and the bootloader area is somehow oversized...
 */
static struct mtd_partition nhk8815_partitions[] = {
	{
		.name	= "X-Loader(NAND)",
		.offset = 0,
		.size	= SZ_256K,
	}, {
		.name	= "MemInit(NAND)",
		.offset	= MTDPART_OFS_APPEND,
		.size	= SZ_256K,
	}, {
		.name	= "BootLoader(NAND)",
		.offset	= MTDPART_OFS_APPEND,
		.size	= SZ_2M,
	}, {
		.name	= "Kernel zImage(NAND)",
		.offset	= MTDPART_OFS_APPEND,
		.size	= 3 * SZ_1M,
	}, {
		.name	= "Root Filesystem(NAND)",
		.offset	= MTDPART_OFS_APPEND,
		.size	= 22 * SZ_1M,
	}, {
		.name	= "User Filesystem(NAND)",
		.offset	= MTDPART_OFS_APPEND,
		.size	= MTDPART_SIZ_FULL,
	}
};

static struct nomadik_nand_platform_data nhk8815_nand_data = {
	.parts		= nhk8815_partitions,
	.nparts		= ARRAY_SIZE(nhk8815_partitions),
	.options	= NAND_COPYBACK | NAND_CACHEPRG | NAND_NO_PADDING \
			| NAND_NO_READRDY,
	.init		= nhk8815_nand_init,
};

static struct platform_device nhk8815_nand_device = {
	.name		= "nomadik_nand",
	.dev		= {
		.platform_data = &nhk8815_nand_data,
	},
	.resource	= nhk8815_nand_resources,
	.num_resources	= ARRAY_SIZE(nhk8815_nand_resources),
};

/* These are the partitions for the OneNand device, different from above */
static struct mtd_partition nhk8815_onenand_partitions[] = {
	{
		.name	= "X-Loader(OneNAND)",
		.offset = 0,
		.size	= SZ_256K,
	}, {
		.name	= "MemInit(OneNAND)",
		.offset	= MTDPART_OFS_APPEND,
		.size	= SZ_256K,
	}, {
		.name	= "BootLoader(OneNAND)",
		.offset	= MTDPART_OFS_APPEND,
		.size	= SZ_2M-SZ_256K,
	}, {
		.name	= "SysImage(OneNAND)",
		.offset	= MTDPART_OFS_APPEND,
		.size	= 4 * SZ_1M,
	}, {
		.name	= "Root Filesystem(OneNAND)",
		.offset	= MTDPART_OFS_APPEND,
		.size	= 22 * SZ_1M,
	}, {
		.name	= "User Filesystem(OneNAND)",
		.offset	= MTDPART_OFS_APPEND,
		.size	= MTDPART_SIZ_FULL,
	}
};

static struct onenand_platform_data nhk8815_onenand_data = {
	.parts		= nhk8815_onenand_partitions,
	.nr_parts	= ARRAY_SIZE(nhk8815_onenand_partitions),
};

static struct resource nhk8815_onenand_resource[] = {
	{
		.start		= 0x30000000,
		.end		= 0x30000000 + SZ_128K - 1,
		.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device nhk8815_onenand_device = {
	.name		= "onenand-flash",
	.id		= -1,
	.dev		= {
		.platform_data	= &nhk8815_onenand_data,
	},
	.resource	= nhk8815_onenand_resource,
	.num_resources	= ARRAY_SIZE(nhk8815_onenand_resource),
};

static void __init nhk8815_onenand_init(void)
{
#ifdef CONFIG_MTD_ONENAND
       /* Set up SMCS0 for OneNand */
	writel(0x000030db, FSMC_BCR(0));
	writel(0x02100551, FSMC_BTR(0));
#endif
}

static struct resource nhk8815_eth_resources[] = {
	{
		.name = "smc91x-regs",
		.start = 0x34000000 + 0x300,
		.end = 0x34000000 + SZ_64K - 1,
		.flags = IORESOURCE_MEM,
	}, {
		.start = NOMADIK_GPIO_TO_IRQ(115),
		.end = NOMADIK_GPIO_TO_IRQ(115),
		.flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
	}
};

static struct platform_device nhk8815_eth_device = {
	.name = "smc91x",
	.resource = nhk8815_eth_resources,
	.num_resources = ARRAY_SIZE(nhk8815_eth_resources),
};

static int __init nhk8815_eth_init(void)
{
	int gpio_nr = 115; /* hardwired in the board */
	int err;

	err = gpio_request(gpio_nr, "eth_irq");
	if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO);
	if (!err) err = gpio_direction_input(gpio_nr);
	if (err)
		pr_err("Error %i in %s\n", err, __func__);
	return err;
}
device_initcall(nhk8815_eth_init);

static struct platform_device *nhk8815_platform_devices[] __initdata = {
	&nhk8815_nand_device,
	&nhk8815_onenand_device,
	&nhk8815_eth_device,
	/* will add more devices */
};

static void __init nomadik_timer_init(void)
{
	u32 src_cr;

	/* Configure timer sources in "system reset controller" ctrl reg */
	src_cr = readl(io_p2v(NOMADIK_SRC_BASE));
	src_cr &= SRC_CR_INIT_MASK;
	src_cr |= SRC_CR_INIT_VAL;
	writel(src_cr, io_p2v(NOMADIK_SRC_BASE));

	nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE));
}

static struct sys_timer nomadik_timer = {
	.init	= nomadik_timer_init,
};

static void __init nhk8815_platform_init(void)
{
	cpu8815_platform_init();
	nhk8815_onenand_init();
	platform_add_devices(nhk8815_platform_devices,
			     ARRAY_SIZE(nhk8815_platform_devices));

	amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0);
	amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0);
}

MACHINE_START(NOMADIK, "NHK8815")
	/* Maintainer: ST MicroElectronics */
	.atag_offset	= 0x100,
	.map_io		= cpu8815_map_io,
	.init_irq	= cpu8815_init_irq,
	.handle_irq	= vic_handle_irq,
	.timer		= &nomadik_timer,
	.init_machine	= nhk8815_platform_init,
	.restart	= cpu8815_restart,
MACHINE_END
Commit	Line	Data
28ad94ec AR	1	/*
	2	* linux/arch/arm/mach-nomadik/board-8815nhk.c
	3	*
	4	* Copyright (C) STMicroelectronics
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2, as
	8	* published by the Free Software Foundation.
	9	*
	10	* NHK15 board specifc driver definition
	11	*/
	12	#include <linux/types.h>
	13	#include <linux/kernel.h>
	14	#include <linux/init.h>
	15	#include <linux/platform_device.h>
	16	#include <linux/amba/bus.h>
725b1f9d AR	17	#include <linux/interrupt.h>
725b1f9d AR	18	#include <linux/gpio.h>
63234717 AR	19	#include <linux/mtd/mtd.h>
63234717 AR	20	#include <linux/mtd/nand.h>
c1558b55	21	#include <linux/mtd/onenand.h>
63234717 AR	22	#include <linux/mtd/partitions.h>
63234717 AR	23	#include <linux/io.h>
42ab5304	24	#include <asm/hardware/vic.h>
63234717	25	#include <asm/sizes.h>
28ad94ec AR	26	#include <asm/mach-types.h>
	27	#include <asm/mach/arch.h>
	28	#include <asm/mach/irq.h>
8b85e7cb	29	#include <asm/mach/flash.h>
b9576623	30	#include <asm/mach/time.h>
59b559d7	31
0f332861	32	#include <plat/gpio-nomadik.h>
59b559d7 SK	33	#include <plat/mtu.h>
59b559d7 SK	34
63234717 AR	35	#include <mach/nand.h>
63234717 AR	36	#include <mach/fsmc.h>
28ad94ec	37
61b38753 LW	38	#include "cpu-8815.h"
61b38753 LW	39
59b559d7 SK	40	/* Initial value for SRC control register: all timers use MXTAL/8 source */
	41	#define SRC_CR_INIT_MASK 0x00007fff
	42	#define SRC_CR_INIT_VAL 0x2aaa8000
	43
3ad2f3fb	44	/* These addresses span 16MB, so use three individual pages */
63234717 AR	45	static struct resource nhk8815_nand_resources[] = {
	46	{
	47	.name = "nand_addr",
	48	.start = NAND_IO_ADDR,
	49	.end = NAND_IO_ADDR + 0xfff,
	50	.flags = IORESOURCE_MEM,
	51	}, {
	52	.name = "nand_cmd",
	53	.start = NAND_IO_CMD,
	54	.end = NAND_IO_CMD + 0xfff,
	55	.flags = IORESOURCE_MEM,
	56	}, {
	57	.name = "nand_data",
	58	.start = NAND_IO_DATA,
	59	.end = NAND_IO_DATA + 0xfff,
	60	.flags = IORESOURCE_MEM,
	61	}
	62	};
	63
	64	static int nhk8815_nand_init(void)
	65	{
	66	/* FSMC setup for nand chip select (8-bit nand in 8815NHK) */
	67	writel(0x0000000E, FSMC_PCR(0));
	68	writel(0x000D0A00, FSMC_PMEM(0));
	69	writel(0x00100A00, FSMC_PATT(0));
	70
	71	/* enable access to the chip select area */
	72	writel(readl(FSMC_PCR(0)) \| 0x04, FSMC_PCR(0));
	73
	74	return 0;
	75	}
	76
	77	/*
	78	* These partitions are the same as those used in the 2.6.20 release
	79	* shipped by the vendor; the first two partitions are mandated
	80	* by the boot ROM, and the bootloader area is somehow oversized...
	81	*/
	82	static struct mtd_partition nhk8815_partitions[] = {
	83	{
	84	.name = "X-Loader(NAND)",
	85	.offset = 0,
	86	.size = SZ_256K,
	87	}, {
	88	.name = "MemInit(NAND)",
	89	.offset = MTDPART_OFS_APPEND,
	90	.size = SZ_256K,
	91	}, {
	92	.name = "BootLoader(NAND)",
	93	.offset = MTDPART_OFS_APPEND,
	94	.size = SZ_2M,
	95	}, {
	96	.name = "Kernel zImage(NAND)",
	97	.offset = MTDPART_OFS_APPEND,
	98	.size = 3 * SZ_1M,
	99	}, {
	100	.name = "Root Filesystem(NAND)",
	101	.offset = MTDPART_OFS_APPEND,
	102	.size = 22 * SZ_1M,
	103	}, {
	104	.name = "User Filesystem(NAND)",
	105	.offset = MTDPART_OFS_APPEND,
	106	.size = MTDPART_SIZ_FULL,
	107	}
	108	};
109
110	static struct nomadik_nand_platform_data nhk8815_nand_data = {
111	.parts = nhk8815_partitions,
112	.nparts = ARRAY_SIZE(nhk8815_partitions),
113	.options = NAND_COPYBACK \| NAND_CACHEPRG \| NAND_NO_PADDING \
1826dbcc	114	\| NAND_NO_READRDY,
63234717 AR	115	.init = nhk8815_nand_init,
	116	};
	117
	118	static struct platform_device nhk8815_nand_device = {
	119	.name = "nomadik_nand",
	120	.dev = {
	121	.platform_data = &nhk8815_nand_data,
	122	},
	123	.resource = nhk8815_nand_resources,
	124	.num_resources = ARRAY_SIZE(nhk8815_nand_resources),
	125	};
	126
8b85e7cb AR	127	/* These are the partitions for the OneNand device, different from above */
	128	static struct mtd_partition nhk8815_onenand_partitions[] = {
	129	{
	130	.name = "X-Loader(OneNAND)",
	131	.offset = 0,
	132	.size = SZ_256K,
	133	}, {
	134	.name = "MemInit(OneNAND)",
	135	.offset = MTDPART_OFS_APPEND,
	136	.size = SZ_256K,
	137	}, {
	138	.name = "BootLoader(OneNAND)",
	139	.offset = MTDPART_OFS_APPEND,
	140	.size = SZ_2M-SZ_256K,
	141	}, {
	142	.name = "SysImage(OneNAND)",
	143	.offset = MTDPART_OFS_APPEND,
	144	.size = 4 * SZ_1M,
	145	}, {
	146	.name = "Root Filesystem(OneNAND)",
	147	.offset = MTDPART_OFS_APPEND,
	148	.size = 22 * SZ_1M,
	149	}, {
	150	.name = "User Filesystem(OneNAND)",
	151	.offset = MTDPART_OFS_APPEND,
	152	.size = MTDPART_SIZ_FULL,
	153	}
	154	};
	155
c1558b55	156	static struct onenand_platform_data nhk8815_onenand_data = {
8b85e7cb AR	157	.parts = nhk8815_onenand_partitions,
	158	.nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions),
	159	};
	160
	161	static struct resource nhk8815_onenand_resource[] = {
	162	{
	163	.start = 0x30000000,
	164	.end = 0x30000000 + SZ_128K - 1,
	165	.flags = IORESOURCE_MEM,
	166	},
	167	};
	168
	169	static struct platform_device nhk8815_onenand_device = {
c1558b55	170	.name = "onenand-flash",
8b85e7cb AR	171	.id = -1,
	172	.dev = {
	173	.platform_data = &nhk8815_onenand_data,
	174	},
	175	.resource = nhk8815_onenand_resource,
	176	.num_resources = ARRAY_SIZE(nhk8815_onenand_resource),
	177	};
	178
	179	static void __init nhk8815_onenand_init(void)
	180	{
c1558b55	181	#ifdef CONFIG_MTD_ONENAND
8b85e7cb	182	/* Set up SMCS0 for OneNand */
c1558b55 AR	183	writel(0x000030db, FSMC_BCR(0));
c1558b55 AR	184	writel(0x02100551, FSMC_BTR(0));
8b85e7cb AR	185	#endif
8b85e7cb AR	186	}
63234717	187
725b1f9d AR	188	static struct resource nhk8815_eth_resources[] = {
	189	{
	190	.name = "smc91x-regs",
	191	.start = 0x34000000 + 0x300,
	192	.end = 0x34000000 + SZ_64K - 1,
	193	.flags = IORESOURCE_MEM,
	194	}, {
	195	.start = NOMADIK_GPIO_TO_IRQ(115),
	196	.end = NOMADIK_GPIO_TO_IRQ(115),
	197	.flags = IORESOURCE_IRQ \| IRQF_TRIGGER_RISING,
	198	}
	199	};
	200
	201	static struct platform_device nhk8815_eth_device = {
	202	.name = "smc91x",
	203	.resource = nhk8815_eth_resources,
	204	.num_resources = ARRAY_SIZE(nhk8815_eth_resources),
	205	};
	206
	207	static int __init nhk8815_eth_init(void)
	208	{
	209	int gpio_nr = 115; /* hardwired in the board */
	210	int err;
	211
	212	err = gpio_request(gpio_nr, "eth_irq");
	213	if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO);
	214	if (!err) err = gpio_direction_input(gpio_nr);
	215	if (err)
	216	pr_err("Error %i in %s\n", err, __func__);
	217	return err;
	218	}
	219	device_initcall(nhk8815_eth_init);
	220
28ad94ec	221	static struct platform_device *nhk8815_platform_devices[] __initdata = {
63234717	222	&nhk8815_nand_device,
8b85e7cb	223	&nhk8815_onenand_device,
725b1f9d AR	224	&nhk8815_eth_device,
725b1f9d AR	225	/* will add more devices */
28ad94ec AR	226	};
28ad94ec AR	227
59b559d7 SK	228	static void __init nomadik_timer_init(void)
	229	{
	230	u32 src_cr;
	231
	232	/* Configure timer sources in "system reset controller" ctrl reg */
	233	src_cr = readl(io_p2v(NOMADIK_SRC_BASE));
	234	src_cr &= SRC_CR_INIT_MASK;
	235	src_cr \|= SRC_CR_INIT_VAL;
	236	writel(src_cr, io_p2v(NOMADIK_SRC_BASE));
	237
b9576623	238	nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE));
59b559d7 SK	239	}
	240
	241	static struct sys_timer nomadik_timer = {
	242	.init = nomadik_timer_init,
	243	};
	244
28ad94ec AR	245	static void __init nhk8815_platform_init(void)
28ad94ec AR	246	{
28ad94ec	247	cpu8815_platform_init();
8b85e7cb	248	nhk8815_onenand_init();
28ad94ec AR	249	platform_add_devices(nhk8815_platform_devices,
	250	ARRAY_SIZE(nhk8815_platform_devices));
	251
7c77852d LW	252	amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0);
7c77852d LW	253	amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0);
28ad94ec AR	254	}
	255
	256	MACHINE_START(NOMADIK, "NHK8815")
	257	/* Maintainer: ST MicroElectronics */
013b5fb2	258	.atag_offset = 0x100,
28ad94ec AR	259	.map_io = cpu8815_map_io,
28ad94ec AR	260	.init_irq = cpu8815_init_irq,
42ab5304	261	.handle_irq = vic_handle_irq,
28ad94ec AR	262	.timer = &nomadik_timer,
28ad94ec AR	263	.init_machine = nhk8815_platform_init,
35b47a40	264	.restart = cpu8815_restart,
28ad94ec	265	MACHINE_END