[linux-2.6-block.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/partitions.h>
#include <linux/io.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 <plat/mtu.h>

#include <mach/setup.h>
#include <mach/nand.h>
#include <mach/fsmc.h>
#include "clock.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 adresses 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 | NAND_NO_AUTOINCR,
	.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 flash_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",
	.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_ONENAND
       /* Set up SMCS0 for OneNand */
       writel(0x000030db, FSMC_BCR0);
       writel(0x02100551, FSMC_BTR0);
#endif
}

#define __MEM_4K_RESOURCE(x) \
	.res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM}

static struct amba_device uart0_device = {
	.dev = { .init_name = "uart0" },
	__MEM_4K_RESOURCE(NOMADIK_UART0_BASE),
	.irq = {IRQ_UART0, NO_IRQ},
};

static struct amba_device uart1_device = {
	.dev = { .init_name = "uart1" },
	__MEM_4K_RESOURCE(NOMADIK_UART1_BASE),
	.irq = {IRQ_UART1, NO_IRQ},
};

static struct amba_device *amba_devs[] __initdata = {
	&uart0_device,
	&uart1_device,
};

/* We have a fixed clock alone, by now */
static struct clk nhk8815_clk_48 = {
	.rate = 48*1000*1000,
};

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));

	/* Save global pointer to mtu, used by platform timer code */
	mtu_base = io_p2v(NOMADIK_MTU0_BASE);

	nmdk_timer_init();
}

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

static void __init nhk8815_platform_init(void)
{
	int i;

	cpu8815_platform_init();
	nhk8815_onenand_init();
	platform_add_devices(nhk8815_platform_devices,
			     ARRAY_SIZE(nhk8815_platform_devices));

	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
		nmdk_clk_create(&nhk8815_clk_48, amba_devs[i]->dev.init_name);
		amba_device_register(amba_devs[i], &iomem_resource);
	}
}

MACHINE_START(NOMADIK, "NHK8815")
	/* Maintainer: ST MicroElectronics */
	.phys_io	= NOMADIK_UART0_BASE,
	.io_pg_offst	= (IO_ADDRESS(NOMADIK_UART0_BASE) >> 18) & 0xfffc,
	.boot_params	= 0x100,
	.map_io		= cpu8815_map_io,
	.init_irq	= cpu8815_init_irq,
	.timer		= &nomadik_timer,
	.init_machine	= nhk8815_platform_init,
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>
	20	#include <linux/mtd/nand.h>
	21	#include <linux/mtd/partitions.h>
	22	#include <linux/io.h>
	23	#include <asm/sizes.h>
28ad94ec AR	24	#include <asm/mach-types.h>
	25	#include <asm/mach/arch.h>
	26	#include <asm/mach/irq.h>
8b85e7cb	27	#include <asm/mach/flash.h>
59b559d7 SK	28
	29	#include <plat/mtu.h>
	30
28ad94ec	31	#include <mach/setup.h>
63234717 AR	32	#include <mach/nand.h>
63234717 AR	33	#include <mach/fsmc.h>
28ad94ec AR	34	#include "clock.h"
28ad94ec AR	35
59b559d7 SK	36	/* Initial value for SRC control register: all timers use MXTAL/8 source */
	37	#define SRC_CR_INIT_MASK 0x00007fff
	38	#define SRC_CR_INIT_VAL 0x2aaa8000
	39
63234717 AR	40	/* These adresses span 16MB, so use three individual pages */
	41	static struct resource nhk8815_nand_resources[] = {
	42	{
	43	.name = "nand_addr",
	44	.start = NAND_IO_ADDR,
	45	.end = NAND_IO_ADDR + 0xfff,
	46	.flags = IORESOURCE_MEM,
	47	}, {
	48	.name = "nand_cmd",
	49	.start = NAND_IO_CMD,
	50	.end = NAND_IO_CMD + 0xfff,
	51	.flags = IORESOURCE_MEM,
	52	}, {
	53	.name = "nand_data",
	54	.start = NAND_IO_DATA,
	55	.end = NAND_IO_DATA + 0xfff,
	56	.flags = IORESOURCE_MEM,
	57	}
	58	};
	59
	60	static int nhk8815_nand_init(void)
	61	{
	62	/* FSMC setup for nand chip select (8-bit nand in 8815NHK) */
	63	writel(0x0000000E, FSMC_PCR(0));
	64	writel(0x000D0A00, FSMC_PMEM(0));
	65	writel(0x00100A00, FSMC_PATT(0));
	66
	67	/* enable access to the chip select area */
	68	writel(readl(FSMC_PCR(0)) \| 0x04, FSMC_PCR(0));
	69
	70	return 0;
	71	}
	72
	73	/*
	74	* These partitions are the same as those used in the 2.6.20 release
	75	* shipped by the vendor; the first two partitions are mandated
	76	* by the boot ROM, and the bootloader area is somehow oversized...
	77	*/
	78	static struct mtd_partition nhk8815_partitions[] = {
	79	{
	80	.name = "X-Loader(NAND)",
	81	.offset = 0,
	82	.size = SZ_256K,
	83	}, {
	84	.name = "MemInit(NAND)",
	85	.offset = MTDPART_OFS_APPEND,
	86	.size = SZ_256K,
	87	}, {
	88	.name = "BootLoader(NAND)",
	89	.offset = MTDPART_OFS_APPEND,
	90	.size = SZ_2M,
	91	}, {
	92	.name = "Kernel zImage(NAND)",
	93	.offset = MTDPART_OFS_APPEND,
	94	.size = 3 * SZ_1M,
	95	}, {
	96	.name = "Root Filesystem(NAND)",
	97	.offset = MTDPART_OFS_APPEND,
	98	.size = 22 * SZ_1M,
	99	}, {
	100	.name = "User Filesystem(NAND)",
	101	.offset = MTDPART_OFS_APPEND,
	102	.size = MTDPART_SIZ_FULL,
	103	}
104	};
105
106	static struct nomadik_nand_platform_data nhk8815_nand_data = {
107	.parts = nhk8815_partitions,
108	.nparts = ARRAY_SIZE(nhk8815_partitions),
109	.options = NAND_COPYBACK \| NAND_CACHEPRG \| NAND_NO_PADDING \
110	\| NAND_NO_READRDY \| NAND_NO_AUTOINCR,
111	.init = nhk8815_nand_init,
112	};
113
114	static struct platform_device nhk8815_nand_device = {
115	.name = "nomadik_nand",
116	.dev = {
117	.platform_data = &nhk8815_nand_data,
118	},
119	.resource = nhk8815_nand_resources,
120	.num_resources = ARRAY_SIZE(nhk8815_nand_resources),
121	};
122
8b85e7cb AR	123	/* These are the partitions for the OneNand device, different from above */
	124	static struct mtd_partition nhk8815_onenand_partitions[] = {
	125	{
	126	.name = "X-Loader(OneNAND)",
	127	.offset = 0,
	128	.size = SZ_256K,
	129	}, {
	130	.name = "MemInit(OneNAND)",
	131	.offset = MTDPART_OFS_APPEND,
	132	.size = SZ_256K,
	133	}, {
	134	.name = "BootLoader(OneNAND)",
	135	.offset = MTDPART_OFS_APPEND,
	136	.size = SZ_2M-SZ_256K,
	137	}, {
	138	.name = "SysImage(OneNAND)",
	139	.offset = MTDPART_OFS_APPEND,
	140	.size = 4 * SZ_1M,
	141	}, {
	142	.name = "Root Filesystem(OneNAND)",
	143	.offset = MTDPART_OFS_APPEND,
	144	.size = 22 * SZ_1M,
	145	}, {
	146	.name = "User Filesystem(OneNAND)",
	147	.offset = MTDPART_OFS_APPEND,
	148	.size = MTDPART_SIZ_FULL,
	149	}
	150	};
	151
	152	static struct flash_platform_data nhk8815_onenand_data = {
	153	.parts = nhk8815_onenand_partitions,
	154	.nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions),
	155	};
	156
	157	static struct resource nhk8815_onenand_resource[] = {
	158	{
	159	.start = 0x30000000,
	160	.end = 0x30000000 + SZ_128K - 1,
	161	.flags = IORESOURCE_MEM,
	162	},
	163	};
	164
	165	static struct platform_device nhk8815_onenand_device = {
	166	.name = "onenand",
	167	.id = -1,
	168	.dev = {
	169	.platform_data = &nhk8815_onenand_data,
	170	},
	171	.resource = nhk8815_onenand_resource,
	172	.num_resources = ARRAY_SIZE(nhk8815_onenand_resource),
	173	};
	174
	175	static void __init nhk8815_onenand_init(void)
	176	{
	177	#ifdef CONFIG_ONENAND
	178	/* Set up SMCS0 for OneNand */
	179	writel(0x000030db, FSMC_BCR0);
	180	writel(0x02100551, FSMC_BTR0);
	181	#endif
	182	}
63234717	183
28ad94ec AR	184	#define __MEM_4K_RESOURCE(x) \
	185	.res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM}
	186
	187	static struct amba_device uart0_device = {
	188	.dev = { .init_name = "uart0" },
	189	__MEM_4K_RESOURCE(NOMADIK_UART0_BASE),
	190	.irq = {IRQ_UART0, NO_IRQ},
	191	};
	192
	193	static struct amba_device uart1_device = {
	194	.dev = { .init_name = "uart1" },
	195	__MEM_4K_RESOURCE(NOMADIK_UART1_BASE),
	196	.irq = {IRQ_UART1, NO_IRQ},
	197	};
	198
	199	static struct amba_device *amba_devs[] __initdata = {
	200	&uart0_device,
	201	&uart1_device,
	202	};
	203
	204	/* We have a fixed clock alone, by now */
	205	static struct clk nhk8815_clk_48 = {
	206	.rate = 4810001000,
	207	};
	208
725b1f9d AR	209	static struct resource nhk8815_eth_resources[] = {
	210	{
	211	.name = "smc91x-regs",
	212	.start = 0x34000000 + 0x300,
	213	.end = 0x34000000 + SZ_64K - 1,
	214	.flags = IORESOURCE_MEM,
	215	}, {
	216	.start = NOMADIK_GPIO_TO_IRQ(115),
	217	.end = NOMADIK_GPIO_TO_IRQ(115),
	218	.flags = IORESOURCE_IRQ \| IRQF_TRIGGER_RISING,
	219	}
	220	};
	221
	222	static struct platform_device nhk8815_eth_device = {
	223	.name = "smc91x",
	224	.resource = nhk8815_eth_resources,
	225	.num_resources = ARRAY_SIZE(nhk8815_eth_resources),
	226	};
	227
	228	static int __init nhk8815_eth_init(void)
	229	{
	230	int gpio_nr = 115; /* hardwired in the board */
	231	int err;
	232
	233	err = gpio_request(gpio_nr, "eth_irq");
	234	if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO);
	235	if (!err) err = gpio_direction_input(gpio_nr);
	236	if (err)
	237	pr_err("Error %i in %s\n", err, __func__);
	238	return err;
	239	}
	240	device_initcall(nhk8815_eth_init);
	241
28ad94ec	242	static struct platform_device *nhk8815_platform_devices[] __initdata = {
63234717	243	&nhk8815_nand_device,
8b85e7cb	244	&nhk8815_onenand_device,
725b1f9d AR	245	&nhk8815_eth_device,
725b1f9d AR	246	/* will add more devices */
28ad94ec AR	247	};
28ad94ec AR	248
59b559d7 SK	249	static void __init nomadik_timer_init(void)
	250	{
	251	u32 src_cr;
	252
	253	/* Configure timer sources in "system reset controller" ctrl reg */
	254	src_cr = readl(io_p2v(NOMADIK_SRC_BASE));
	255	src_cr &= SRC_CR_INIT_MASK;
	256	src_cr \|= SRC_CR_INIT_VAL;
	257	writel(src_cr, io_p2v(NOMADIK_SRC_BASE));
	258
	259	/* Save global pointer to mtu, used by platform timer code */
	260	mtu_base = io_p2v(NOMADIK_MTU0_BASE);
	261
	262	nmdk_timer_init();
	263	}
	264
	265	static struct sys_timer nomadik_timer = {
	266	.init = nomadik_timer_init,
	267	};
	268
28ad94ec AR	269	static void __init nhk8815_platform_init(void)
	270	{
	271	int i;
	272
	273	cpu8815_platform_init();
8b85e7cb	274	nhk8815_onenand_init();
28ad94ec AR	275	platform_add_devices(nhk8815_platform_devices,
	276	ARRAY_SIZE(nhk8815_platform_devices));
	277
	278	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
	279	nmdk_clk_create(&nhk8815_clk_48, amba_devs[i]->dev.init_name);
	280	amba_device_register(amba_devs[i], &iomem_resource);
	281	}
	282	}
	283
	284	MACHINE_START(NOMADIK, "NHK8815")
	285	/* Maintainer: ST MicroElectronics */
	286	.phys_io = NOMADIK_UART0_BASE,
	287	.io_pg_offst = (IO_ADDRESS(NOMADIK_UART0_BASE) >> 18) & 0xfffc,
	288	.boot_params = 0x100,
	289	.map_io = cpu8815_map_io,
	290	.init_irq = cpu8815_init_irq,
	291	.timer = &nomadik_timer,
	292	.init_machine = nhk8815_platform_init,
	293	MACHINE_END