[GitHub/mt8127/android_kernel_alcatel_ttab.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/sizes.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>

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

#include <mach/setup.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 | 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 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
}

#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,
};

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++)
		amba_device_register(amba_devs[i], &iomem_resource);
}

MACHINE_START(NOMADIK, "NHK8815")
	/* Maintainer: ST MicroElectronics */
	.atag_offset	= 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>
63234717 AR	20	#include <linux/mtd/nand.h>
c1558b55	21	#include <linux/mtd/onenand.h>
63234717 AR	22	#include <linux/mtd/partitions.h>
	23	#include <linux/io.h>
	24	#include <asm/sizes.h>
28ad94ec AR	25	#include <asm/mach-types.h>
	26	#include <asm/mach/arch.h>
	27	#include <asm/mach/irq.h>
8b85e7cb	28	#include <asm/mach/flash.h>
59b559d7	29
0f332861	30	#include <plat/gpio-nomadik.h>
59b559d7 SK	31	#include <plat/mtu.h>
59b559d7 SK	32
28ad94ec	33	#include <mach/setup.h>
63234717 AR	34	#include <mach/nand.h>
63234717 AR	35	#include <mach/fsmc.h>
28ad94ec	36
61b38753 LW	37	#include "cpu-8815.h"
61b38753 LW	38
59b559d7 SK	39	/* Initial value for SRC control register: all timers use MXTAL/8 source */
	40	#define SRC_CR_INIT_MASK 0x00007fff
	41	#define SRC_CR_INIT_VAL 0x2aaa8000
	42
3ad2f3fb	43	/* These addresses span 16MB, so use three individual pages */
63234717 AR	44	static struct resource nhk8815_nand_resources[] = {
	45	{
	46	.name = "nand_addr",
	47	.start = NAND_IO_ADDR,
	48	.end = NAND_IO_ADDR + 0xfff,
	49	.flags = IORESOURCE_MEM,
	50	}, {
	51	.name = "nand_cmd",
	52	.start = NAND_IO_CMD,
	53	.end = NAND_IO_CMD + 0xfff,
	54	.flags = IORESOURCE_MEM,
	55	}, {
	56	.name = "nand_data",
	57	.start = NAND_IO_DATA,
	58	.end = NAND_IO_DATA + 0xfff,
	59	.flags = IORESOURCE_MEM,
	60	}
	61	};
	62
	63	static int nhk8815_nand_init(void)
	64	{
	65	/* FSMC setup for nand chip select (8-bit nand in 8815NHK) */
	66	writel(0x0000000E, FSMC_PCR(0));
	67	writel(0x000D0A00, FSMC_PMEM(0));
	68	writel(0x00100A00, FSMC_PATT(0));
	69
	70	/* enable access to the chip select area */
	71	writel(readl(FSMC_PCR(0)) \| 0x04, FSMC_PCR(0));
	72
	73	return 0;
	74	}
	75
	76	/*
	77	* These partitions are the same as those used in the 2.6.20 release
	78	* shipped by the vendor; the first two partitions are mandated
	79	* by the boot ROM, and the bootloader area is somehow oversized...
	80	*/
	81	static struct mtd_partition nhk8815_partitions[] = {
	82	{
	83	.name = "X-Loader(NAND)",
	84	.offset = 0,
	85	.size = SZ_256K,
	86	}, {
	87	.name = "MemInit(NAND)",
	88	.offset = MTDPART_OFS_APPEND,
	89	.size = SZ_256K,
	90	}, {
	91	.name = "BootLoader(NAND)",
	92	.offset = MTDPART_OFS_APPEND,
	93	.size = SZ_2M,
	94	}, {
	95	.name = "Kernel zImage(NAND)",
	96	.offset = MTDPART_OFS_APPEND,
	97	.size = 3 * SZ_1M,
	98	}, {
	99	.name = "Root Filesystem(NAND)",
	100	.offset = MTDPART_OFS_APPEND,
	101	.size = 22 * SZ_1M,
	102	}, {
	103	.name = "User Filesystem(NAND)",
	104	.offset = MTDPART_OFS_APPEND,
	105	.size = MTDPART_SIZ_FULL,
	106	}
	107	};
108
109	static struct nomadik_nand_platform_data nhk8815_nand_data = {
110	.parts = nhk8815_partitions,
111	.nparts = ARRAY_SIZE(nhk8815_partitions),
112	.options = NAND_COPYBACK \| NAND_CACHEPRG \| NAND_NO_PADDING \
113	\| NAND_NO_READRDY \| NAND_NO_AUTOINCR,
114	.init = nhk8815_nand_init,
115	};
116
117	static struct platform_device nhk8815_nand_device = {
118	.name = "nomadik_nand",
119	.dev = {
120	.platform_data = &nhk8815_nand_data,
121	},
122	.resource = nhk8815_nand_resources,
123	.num_resources = ARRAY_SIZE(nhk8815_nand_resources),
124	};
125
8b85e7cb AR	126	/* These are the partitions for the OneNand device, different from above */
	127	static struct mtd_partition nhk8815_onenand_partitions[] = {
	128	{
	129	.name = "X-Loader(OneNAND)",
	130	.offset = 0,
	131	.size = SZ_256K,
	132	}, {
	133	.name = "MemInit(OneNAND)",
	134	.offset = MTDPART_OFS_APPEND,
	135	.size = SZ_256K,
	136	}, {
	137	.name = "BootLoader(OneNAND)",
	138	.offset = MTDPART_OFS_APPEND,
	139	.size = SZ_2M-SZ_256K,
	140	}, {
	141	.name = "SysImage(OneNAND)",
	142	.offset = MTDPART_OFS_APPEND,
	143	.size = 4 * SZ_1M,
	144	}, {
	145	.name = "Root Filesystem(OneNAND)",
	146	.offset = MTDPART_OFS_APPEND,
	147	.size = 22 * SZ_1M,
	148	}, {
	149	.name = "User Filesystem(OneNAND)",
	150	.offset = MTDPART_OFS_APPEND,
	151	.size = MTDPART_SIZ_FULL,
	152	}
	153	};
	154
c1558b55	155	static struct onenand_platform_data nhk8815_onenand_data = {
8b85e7cb AR	156	.parts = nhk8815_onenand_partitions,
	157	.nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions),
	158	};
	159
	160	static struct resource nhk8815_onenand_resource[] = {
	161	{
	162	.start = 0x30000000,
	163	.end = 0x30000000 + SZ_128K - 1,
	164	.flags = IORESOURCE_MEM,
	165	},
	166	};
	167
	168	static struct platform_device nhk8815_onenand_device = {
c1558b55	169	.name = "onenand-flash",
8b85e7cb AR	170	.id = -1,
	171	.dev = {
	172	.platform_data = &nhk8815_onenand_data,
	173	},
	174	.resource = nhk8815_onenand_resource,
	175	.num_resources = ARRAY_SIZE(nhk8815_onenand_resource),
	176	};
	177
	178	static void __init nhk8815_onenand_init(void)
	179	{
c1558b55	180	#ifdef CONFIG_MTD_ONENAND
8b85e7cb	181	/* Set up SMCS0 for OneNand */
c1558b55 AR	182	writel(0x000030db, FSMC_BCR(0));
c1558b55 AR	183	writel(0x02100551, FSMC_BTR(0));
8b85e7cb AR	184	#endif
8b85e7cb AR	185	}
63234717	186
28ad94ec AR	187	#define __MEM_4K_RESOURCE(x) \
	188	.res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM}
	189
	190	static struct amba_device uart0_device = {
	191	.dev = { .init_name = "uart0" },
	192	__MEM_4K_RESOURCE(NOMADIK_UART0_BASE),
	193	.irq = {IRQ_UART0, NO_IRQ},
	194	};
	195
	196	static struct amba_device uart1_device = {
	197	.dev = { .init_name = "uart1" },
	198	__MEM_4K_RESOURCE(NOMADIK_UART1_BASE),
	199	.irq = {IRQ_UART1, NO_IRQ},
	200	};
	201
	202	static struct amba_device *amba_devs[] __initdata = {
	203	&uart0_device,
	204	&uart1_device,
	205	};
	206
725b1f9d AR	207	static struct resource nhk8815_eth_resources[] = {
	208	{
	209	.name = "smc91x-regs",
	210	.start = 0x34000000 + 0x300,
	211	.end = 0x34000000 + SZ_64K - 1,
	212	.flags = IORESOURCE_MEM,
	213	}, {
	214	.start = NOMADIK_GPIO_TO_IRQ(115),
	215	.end = NOMADIK_GPIO_TO_IRQ(115),
	216	.flags = IORESOURCE_IRQ \| IRQF_TRIGGER_RISING,
	217	}
	218	};
	219
	220	static struct platform_device nhk8815_eth_device = {
	221	.name = "smc91x",
	222	.resource = nhk8815_eth_resources,
	223	.num_resources = ARRAY_SIZE(nhk8815_eth_resources),
	224	};
	225
	226	static int __init nhk8815_eth_init(void)
	227	{
	228	int gpio_nr = 115; /* hardwired in the board */
	229	int err;
	230
	231	err = gpio_request(gpio_nr, "eth_irq");
	232	if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO);
	233	if (!err) err = gpio_direction_input(gpio_nr);
	234	if (err)
	235	pr_err("Error %i in %s\n", err, __func__);
	236	return err;
	237	}
	238	device_initcall(nhk8815_eth_init);
	239
28ad94ec	240	static struct platform_device *nhk8815_platform_devices[] __initdata = {
63234717	241	&nhk8815_nand_device,
8b85e7cb	242	&nhk8815_onenand_device,
725b1f9d AR	243	&nhk8815_eth_device,
725b1f9d AR	244	/* will add more devices */
28ad94ec AR	245	};
28ad94ec AR	246
59b559d7 SK	247	static void __init nomadik_timer_init(void)
	248	{
	249	u32 src_cr;
	250
	251	/* Configure timer sources in "system reset controller" ctrl reg */
	252	src_cr = readl(io_p2v(NOMADIK_SRC_BASE));
	253	src_cr &= SRC_CR_INIT_MASK;
	254	src_cr \|= SRC_CR_INIT_VAL;
	255	writel(src_cr, io_p2v(NOMADIK_SRC_BASE));
	256
	257	/* Save global pointer to mtu, used by platform timer code */
	258	mtu_base = io_p2v(NOMADIK_MTU0_BASE);
	259
	260	nmdk_timer_init();
	261	}
	262
	263	static struct sys_timer nomadik_timer = {
	264	.init = nomadik_timer_init,
	265	};
	266
28ad94ec AR	267	static void __init nhk8815_platform_init(void)
	268	{
	269	int i;
	270
	271	cpu8815_platform_init();
8b85e7cb	272	nhk8815_onenand_init();
28ad94ec AR	273	platform_add_devices(nhk8815_platform_devices,
	274	ARRAY_SIZE(nhk8815_platform_devices));
	275
dc6048c7	276	for (i = 0; i < ARRAY_SIZE(amba_devs); i++)
28ad94ec	277	amba_device_register(amba_devs[i], &iomem_resource);
28ad94ec AR	278	}
	279
	280	MACHINE_START(NOMADIK, "NHK8815")
	281	/* Maintainer: ST MicroElectronics */
013b5fb2	282	.atag_offset = 0x100,
28ad94ec AR	283	.map_io = cpu8815_map_io,
	284	.init_irq = cpu8815_init_irq,
	285	.timer = &nomadik_timer,
	286	.init_machine = nhk8815_platform_init,
	287	MACHINE_END