[mirror_ubuntu-bionic-kernel.git] / arch / arm / mach-omap1 / board-fsample.c

/*
 * linux/arch/arm/mach-omap1/board-fsample.c
 *
 * Modified from board-perseus2.c
 *
 * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
 * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
 *
 * 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.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/input.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>

#include <mach/tc.h>
#include <mach/gpio.h>
#include <mach/mux.h>
#include <mach/fpga.h>
#include <mach/nand.h>
#include <mach/keypad.h>
#include <mach/common.h>
#include <mach/board.h>
#include <mach/board-fsample.h>

static int fsample_keymap[] = {
	KEY(0,0,KEY_UP),
	KEY(0,1,KEY_RIGHT),
	KEY(0,2,KEY_LEFT),
	KEY(0,3,KEY_DOWN),
	KEY(0,4,KEY_ENTER),
	KEY(1,0,KEY_F10),
	KEY(1,1,KEY_SEND),
	KEY(1,2,KEY_END),
	KEY(1,3,KEY_VOLUMEDOWN),
	KEY(1,4,KEY_VOLUMEUP),
	KEY(1,5,KEY_RECORD),
	KEY(2,0,KEY_F9),
	KEY(2,1,KEY_3),
	KEY(2,2,KEY_6),
	KEY(2,3,KEY_9),
	KEY(2,4,KEY_KPDOT),
	KEY(3,0,KEY_BACK),
	KEY(3,1,KEY_2),
	KEY(3,2,KEY_5),
	KEY(3,3,KEY_8),
	KEY(3,4,KEY_0),
	KEY(3,5,KEY_KPSLASH),
	KEY(4,0,KEY_HOME),
	KEY(4,1,KEY_1),
	KEY(4,2,KEY_4),
	KEY(4,3,KEY_7),
	KEY(4,4,KEY_KPASTERISK),
	KEY(4,5,KEY_POWER),
	0
};

static struct resource smc91x_resources[] = {
	[0] = {
		.start	= H2P2_DBG_FPGA_ETHR_START,	/* Physical */
		.end	= H2P2_DBG_FPGA_ETHR_START + 0xf,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= INT_730_MPU_EXT_NIRQ,
		.end	= 0,
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	},
};

static struct mtd_partition nor_partitions[] = {
	/* bootloader (U-Boot, etc) in first sector */
	{
	      .name		= "bootloader",
	      .offset		= 0,
	      .size		= SZ_128K,
	      .mask_flags	= MTD_WRITEABLE, /* force read-only */
	},
	/* bootloader params in the next sector */
	{
	      .name		= "params",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_128K,
	      .mask_flags	= 0,
	},
	/* kernel */
	{
	      .name		= "kernel",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_2M,
	      .mask_flags	= 0
	},
	/* rest of flash is a file system */
	{
	      .name		= "rootfs",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= MTDPART_SIZ_FULL,
	      .mask_flags	= 0
	},
};

static struct flash_platform_data nor_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
	.parts		= nor_partitions,
	.nr_parts	= ARRAY_SIZE(nor_partitions),
};

static struct resource nor_resource = {
	.start		= OMAP_CS0_PHYS,
	.end		= OMAP_CS0_PHYS + SZ_32M - 1,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device nor_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev		= {
		.platform_data	= &nor_data,
	},
	.num_resources	= 1,
	.resource	= &nor_resource,
};

static struct omap_nand_platform_data nand_data = {
	.options	= NAND_SAMSUNG_LP_OPTIONS,
};

static struct resource nand_resource = {
	.start		= OMAP_CS3_PHYS,
	.end		= OMAP_CS3_PHYS + SZ_4K - 1,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device nand_device = {
	.name		= "omapnand",
	.id		= 0,
	.dev		= {
		.platform_data	= &nand_data,
	},
	.num_resources	= 1,
	.resource	= &nand_resource,
};

static struct platform_device smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(smc91x_resources),
	.resource	= smc91x_resources,
};

static struct resource kp_resources[] = {
	[0] = {
		.start	= INT_730_MPUIO_KEYPAD,
		.end	= INT_730_MPUIO_KEYPAD,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct omap_kp_platform_data kp_data = {
	.rows		= 8,
	.cols		= 8,
	.keymap		= fsample_keymap,
	.keymapsize	= ARRAY_SIZE(fsample_keymap),
	.delay		= 4,
};

static struct platform_device kp_device = {
	.name		= "omap-keypad",
	.id		= -1,
	.dev		= {
		.platform_data = &kp_data,
	},
	.num_resources	= ARRAY_SIZE(kp_resources),
	.resource	= kp_resources,
};

static struct platform_device lcd_device = {
	.name		= "lcd_p2",
	.id		= -1,
};

static struct platform_device *devices[] __initdata = {
	&nor_device,
	&nand_device,
	&smc91x_device,
	&kp_device,
	&lcd_device,
};

#define P2_NAND_RB_GPIO_PIN	62

static int nand_dev_ready(struct omap_nand_platform_data *data)
{
	return gpio_get_value(P2_NAND_RB_GPIO_PIN);
}

static struct omap_uart_config fsample_uart_config __initdata = {
	.enabled_uarts = ((1 << 0) | (1 << 1)),
};

static struct omap_lcd_config fsample_lcd_config __initdata = {
	.ctrl_name	= "internal",
};

static struct omap_board_config_kernel fsample_config[] = {
	{ OMAP_TAG_UART,	&fsample_uart_config },
	{ OMAP_TAG_LCD,		&fsample_lcd_config },
};

static void __init omap_fsample_init(void)
{
	if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
		BUG();
	nand_data.dev_ready = nand_dev_ready;

	omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
	omap_cfg_reg(M8_1610_FLASH_CS2B_WE);

	platform_add_devices(devices, ARRAY_SIZE(devices));

	omap_board_config = fsample_config;
	omap_board_config_size = ARRAY_SIZE(fsample_config);
	omap_serial_init();
	omap_register_i2c_bus(1, 100, NULL, 0);
}

static void __init fsample_init_smc91x(void)
{
	fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
	mdelay(50);
	fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
		   H2P2_DBG_FPGA_LAN_RESET);
	mdelay(50);
}

static void __init omap_fsample_init_irq(void)
{
	omap1_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
	fsample_init_smc91x();
}

/* Only FPGA needs to be mapped here. All others are done with ioremap */
static struct map_desc omap_fsample_io_desc[] __initdata = {
	{
		.virtual	= H2P2_DBG_FPGA_BASE,
		.pfn		= __phys_to_pfn(H2P2_DBG_FPGA_START),
		.length		= H2P2_DBG_FPGA_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= FSAMPLE_CPLD_BASE,
		.pfn		= __phys_to_pfn(FSAMPLE_CPLD_START),
		.length		= FSAMPLE_CPLD_SIZE,
		.type		= MT_DEVICE
	}
};

static void __init omap_fsample_map_io(void)
{
	omap1_map_common_io();
	iotable_init(omap_fsample_io_desc,
		     ARRAY_SIZE(omap_fsample_io_desc));

	/* Early, board-dependent init */

	/*
	 * Hold GSM Reset until needed
	 */
	omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);

	/*
	 * UARTs -> done automagically by 8250 driver
	 */

	/*
	 * CSx timings, GPIO Mux ... setup
	 */

	/* Flash: CS0 timings setup */
	omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
	omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);

	/*
	 * Ethernet support through the debug board
	 * CS1 timings setup
	 */
	omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
	omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);

	/*
	 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
	 * It is used as the Ethernet controller interrupt
	 */
	omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
}

MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
/* Maintainer: Brian Swetland <swetland@google.com> */
	.phys_io	= 0xfff00000,
	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
	.boot_params	= 0x10000100,
	.map_io		= omap_fsample_map_io,
	.init_irq	= omap_fsample_init_irq,
	.init_machine	= omap_fsample_init,
	.timer		= &omap_timer,
MACHINE_END
Commit	Line	Data
495f71db BS	1	/*
	2	* linux/arch/arm/mach-omap1/board-fsample.c
	3	*
	4	* Modified from board-perseus2.c
	5	*
	6	* Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
	7	* Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License version 2 as
	11	* published by the Free Software Foundation.
	12	*/
	13
	14	#include <linux/kernel.h>
	15	#include <linux/init.h>
	16	#include <linux/platform_device.h>
	17	#include <linux/delay.h>
	18	#include <linux/mtd/mtd.h>
	19	#include <linux/mtd/nand.h>
	20	#include <linux/mtd/partitions.h>
	21	#include <linux/input.h>
	22
a09e64fb	23	#include <mach/hardware.h>
495f71db BS	24	#include <asm/mach-types.h>
	25	#include <asm/mach/arch.h>
	26	#include <asm/mach/flash.h>
	27	#include <asm/mach/map.h>
	28
a09e64fb RK	29	#include <mach/tc.h>
	30	#include <mach/gpio.h>
	31	#include <mach/mux.h>
	32	#include <mach/fpga.h>
	33	#include <mach/nand.h>
	34	#include <mach/keypad.h>
	35	#include <mach/common.h>
	36	#include <mach/board.h>
	37	#include <mach/board-fsample.h>
495f71db BS	38
	39	static int fsample_keymap[] = {
	40	KEY(0,0,KEY_UP),
	41	KEY(0,1,KEY_RIGHT),
	42	KEY(0,2,KEY_LEFT),
	43	KEY(0,3,KEY_DOWN),
496bcb81 VK	44	KEY(0,4,KEY_ENTER),
496bcb81 VK	45	KEY(1,0,KEY_F10),
495f71db BS	46	KEY(1,1,KEY_SEND),
	47	KEY(1,2,KEY_END),
	48	KEY(1,3,KEY_VOLUMEDOWN),
	49	KEY(1,4,KEY_VOLUMEUP),
	50	KEY(1,5,KEY_RECORD),
496bcb81	51	KEY(2,0,KEY_F9),
495f71db BS	52	KEY(2,1,KEY_3),
	53	KEY(2,2,KEY_6),
	54	KEY(2,3,KEY_9),
496bcb81	55	KEY(2,4,KEY_KPDOT),
495f71db BS	56	KEY(3,0,KEY_BACK),
	57	KEY(3,1,KEY_2),
	58	KEY(3,2,KEY_5),
	59	KEY(3,3,KEY_8),
	60	KEY(3,4,KEY_0),
496bcb81	61	KEY(3,5,KEY_KPSLASH),
495f71db BS	62	KEY(4,0,KEY_HOME),
	63	KEY(4,1,KEY_1),
	64	KEY(4,2,KEY_4),
	65	KEY(4,3,KEY_7),
496bcb81	66	KEY(4,4,KEY_KPASTERISK),
495f71db BS	67	KEY(4,5,KEY_POWER),
	68	0
	69	};
	70
	71	static struct resource smc91x_resources[] = {
	72	[0] = {
	73	.start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
	74	.end = H2P2_DBG_FPGA_ETHR_START + 0xf,
	75	.flags = IORESOURCE_MEM,
	76	},
	77	[1] = {
	78	.start = INT_730_MPU_EXT_NIRQ,
	79	.end = 0,
e7b3dc7e	80	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
495f71db BS	81	},
	82	};
	83
	84	static struct mtd_partition nor_partitions[] = {
	85	/* bootloader (U-Boot, etc) in first sector */
	86	{
	87	.name = "bootloader",
	88	.offset = 0,
	89	.size = SZ_128K,
	90	.mask_flags = MTD_WRITEABLE, /* force read-only */
	91	},
	92	/* bootloader params in the next sector */
	93	{
	94	.name = "params",
	95	.offset = MTDPART_OFS_APPEND,
	96	.size = SZ_128K,
	97	.mask_flags = 0,
	98	},
	99	/* kernel */
	100	{
	101	.name = "kernel",
	102	.offset = MTDPART_OFS_APPEND,
	103	.size = SZ_2M,
	104	.mask_flags = 0
	105	},
	106	/* rest of flash is a file system */
	107	{
	108	.name = "rootfs",
	109	.offset = MTDPART_OFS_APPEND,
	110	.size = MTDPART_SIZ_FULL,
	111	.mask_flags = 0
	112	},
	113	};
	114
	115	static struct flash_platform_data nor_data = {
	116	.map_name = "cfi_probe",
	117	.width = 2,
	118	.parts = nor_partitions,
	119	.nr_parts = ARRAY_SIZE(nor_partitions),
	120	};
	121
	122	static struct resource nor_resource = {
	123	.start = OMAP_CS0_PHYS,
	124	.end = OMAP_CS0_PHYS + SZ_32M - 1,
	125	.flags = IORESOURCE_MEM,
	126	};
	127
	128	static struct platform_device nor_device = {
	129	.name = "omapflash",
	130	.id = 0,
	131	.dev = {
	132	.platform_data = &nor_data,
	133	},
	134	.num_resources = 1,
	135	.resource = &nor_resource,
	136	};
	137
78be6325	138	static struct omap_nand_platform_data nand_data = {
495f71db BS	139	.options = NAND_SAMSUNG_LP_OPTIONS,
	140	};
	141
	142	static struct resource nand_resource = {
	143	.start = OMAP_CS3_PHYS,
	144	.end = OMAP_CS3_PHYS + SZ_4K - 1,
	145	.flags = IORESOURCE_MEM,
	146	};
	147
	148	static struct platform_device nand_device = {
	149	.name = "omapnand",
	150	.id = 0,
	151	.dev = {
	152	.platform_data = &nand_data,
	153	},
	154	.num_resources = 1,
	155	.resource = &nand_resource,
	156	};
	157
	158	static struct platform_device smc91x_device = {
	159	.name = "smc91x",
	160	.id = 0,
	161	.num_resources = ARRAY_SIZE(smc91x_resources),
	162	.resource = smc91x_resources,
	163	};
	164
	165	static struct resource kp_resources[] = {
	166	[0] = {
	167	.start = INT_730_MPUIO_KEYPAD,
	168	.end = INT_730_MPUIO_KEYPAD,
	169	.flags = IORESOURCE_IRQ,
	170	},
	171	};
	172
	173	static struct omap_kp_platform_data kp_data = {
4d24607b KS	174	.rows = 8,
	175	.cols = 8,
	176	.keymap = fsample_keymap,
	177	.keymapsize = ARRAY_SIZE(fsample_keymap),
	178	.delay = 4,
495f71db BS	179	};
	180
	181	static struct platform_device kp_device = {
	182	.name = "omap-keypad",
	183	.id = -1,
	184	.dev = {
	185	.platform_data = &kp_data,
	186	},
	187	.num_resources = ARRAY_SIZE(kp_resources),
	188	.resource = kp_resources,
	189	};
	190
	191	static struct platform_device lcd_device = {
	192	.name = "lcd_p2",
	193	.id = -1,
	194	};
	195
	196	static struct platform_device *devices[] __initdata = {
	197	&nor_device,
	198	&nand_device,
	199	&smc91x_device,
	200	&kp_device,
	201	&lcd_device,
	202	};
	203
	204	#define P2_NAND_RB_GPIO_PIN 62
	205
78be6325	206	static int nand_dev_ready(struct omap_nand_platform_data *data)
495f71db	207	{
0b84b5ca	208	return gpio_get_value(P2_NAND_RB_GPIO_PIN);
495f71db BS	209	}
	210
	211	static struct omap_uart_config fsample_uart_config __initdata = {
	212	.enabled_uarts = ((1 << 0) \| (1 << 1)),
	213	};
	214
	215	static struct omap_lcd_config fsample_lcd_config __initdata = {
	216	.ctrl_name = "internal",
	217	};
	218
	219	static struct omap_board_config_kernel fsample_config[] = {
	220	{ OMAP_TAG_UART, &fsample_uart_config },
	221	{ OMAP_TAG_LCD, &fsample_lcd_config },
	222	};
	223
	224	static void __init omap_fsample_init(void)
	225	{
f2d18fea JN	226	if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
	227	BUG();
	228	nand_data.dev_ready = nand_dev_ready;
495f71db BS	229
	230	omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
	231	omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
	232
	233	platform_add_devices(devices, ARRAY_SIZE(devices));
	234
	235	omap_board_config = fsample_config;
	236	omap_board_config_size = ARRAY_SIZE(fsample_config);
	237	omap_serial_init();
1ed16a86	238	omap_register_i2c_bus(1, 100, NULL, 0);
495f71db BS	239	}
	240
	241	static void __init fsample_init_smc91x(void)
	242	{
	243	fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
	244	mdelay(50);
	245	fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
	246	H2P2_DBG_FPGA_LAN_RESET);
	247	mdelay(50);
	248	}
	249
277d58ef	250	static void __init omap_fsample_init_irq(void)
495f71db BS	251	{
	252	omap1_init_common_hw();
	253	omap_init_irq();
	254	omap_gpio_init();
	255	fsample_init_smc91x();
	256	}
	257
	258	/* Only FPGA needs to be mapped here. All others are done with ioremap */
	259	static struct map_desc omap_fsample_io_desc[] __initdata = {
	260	{
	261	.virtual = H2P2_DBG_FPGA_BASE,
	262	.pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
	263	.length = H2P2_DBG_FPGA_SIZE,
	264	.type = MT_DEVICE
	265	},
	266	{
	267	.virtual = FSAMPLE_CPLD_BASE,
	268	.pfn = __phys_to_pfn(FSAMPLE_CPLD_START),
	269	.length = FSAMPLE_CPLD_SIZE,
	270	.type = MT_DEVICE
	271	}
	272	};
	273
	274	static void __init omap_fsample_map_io(void)
	275	{
	276	omap1_map_common_io();
	277	iotable_init(omap_fsample_io_desc,
	278	ARRAY_SIZE(omap_fsample_io_desc));
	279
	280	/* Early, board-dependent init */
	281
	282	/*
	283	* Hold GSM Reset until needed
	284	*/
	285	omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
	286
	287	/*
	288	* UARTs -> done automagically by 8250 driver
	289	*/
	290
	291	/*
	292	* CSx timings, GPIO Mux ... setup
	293	*/
	294
	295	/* Flash: CS0 timings setup */
	296	omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
	297	omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
	298
	299	/*
	300	* Ethernet support through the debug board
	301	* CS1 timings setup
	302	*/
	303	omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
	304	omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
	305
	306	/*
	307	* Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
	308	* It is used as the Ethernet controller interrupt
	309	*/
	310	omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
	311	}
	312
	313	MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
	314	/* Maintainer: Brian Swetland <swetland@google.com> */
315	.phys_io = 0xfff00000,
316	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
317	.boot_params = 0x10000100,
318	.map_io = omap_fsample_map_io,
319	.init_irq = omap_fsample_init_irq,
320	.init_machine = omap_fsample_init,
321	.timer = &omap_timer,
322	MACHINE_END