[mirror_ubuntu-focal-kernel.git] / arch / arm / mach-davinci / board-dm355-evm.c

/*
 * TI DaVinci EVM board support
 *
 * Author: Kevin Hilman, Deep Root Systems, LLC
 *
 * 2007 (c) MontaVista Software, Inc. 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/module.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
#include <linux/i2c.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/clk.h>
#include <linux/videodev2.h>
#include <media/tvp514x.h>
#include <linux/spi/spi.h>
#include <linux/spi/eeprom.h>

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

#include <mach/hardware.h>
#include <mach/dm355.h>
#include <mach/psc.h>
#include <mach/common.h>
#include <mach/i2c.h>
#include <mach/serial.h>
#include <mach/nand.h>
#include <mach/mmc.h>

#define DAVINCI_ASYNC_EMIF_CONTROL_BASE		0x01e10000
#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE	0x02000000

/* NOTE:  this is geared for the standard config, with a socketed
 * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors.  If you
 * swap chips, maybe with a different block size, partitioning may
 * need to be changed.
 */
#define NAND_BLOCK_SIZE		SZ_128K

static struct mtd_partition davinci_nand_partitions[] = {
	{
		/* UBL (a few copies) plus U-Boot */
		.name		= "bootloader",
		.offset		= 0,
		.size		= 15 * NAND_BLOCK_SIZE,
		.mask_flags	= MTD_WRITEABLE, /* force read-only */
	}, {
		/* U-Boot environment */
		.name		= "params",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 1 * NAND_BLOCK_SIZE,
		.mask_flags	= 0,
	}, {
		.name		= "kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_4M,
		.mask_flags	= 0,
	}, {
		.name		= "filesystem1",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_512M,
		.mask_flags	= 0,
	}, {
		.name		= "filesystem2",
		.offset		= MTDPART_OFS_APPEND,
		.size		= MTDPART_SIZ_FULL,
		.mask_flags	= 0,
	}
	/* two blocks with bad block table (and mirror) at the end */
};

static struct davinci_nand_pdata davinci_nand_data = {
	.mask_chipsel		= BIT(14),
	.parts			= davinci_nand_partitions,
	.nr_parts		= ARRAY_SIZE(davinci_nand_partitions),
	.ecc_mode		= NAND_ECC_HW_SYNDROME,
	.options		= NAND_USE_FLASH_BBT,
};

static struct resource davinci_nand_resources[] = {
	{
		.start		= DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
		.end		= DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
		.flags		= IORESOURCE_MEM,
	}, {
		.start		= DAVINCI_ASYNC_EMIF_CONTROL_BASE,
		.end		= DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
		.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device davinci_nand_device = {
	.name			= "davinci_nand",
	.id			= 0,

	.num_resources		= ARRAY_SIZE(davinci_nand_resources),
	.resource		= davinci_nand_resources,

	.dev			= {
		.platform_data	= &davinci_nand_data,
	},
};

static struct davinci_i2c_platform_data i2c_pdata = {
	.bus_freq	= 400	/* kHz */,
	.bus_delay	= 0	/* usec */,
};

static struct snd_platform_data dm355_evm_snd_data;

static int dm355evm_mmc_gpios = -EINVAL;

static void dm355evm_mmcsd_gpios(unsigned gpio)
{
	gpio_request(gpio + 0, "mmc0_ro");
	gpio_request(gpio + 1, "mmc0_cd");
	gpio_request(gpio + 2, "mmc1_ro");
	gpio_request(gpio + 3, "mmc1_cd");

	/* we "know" these are input-only so we don't
	 * need to call gpio_direction_input()
	 */

	dm355evm_mmc_gpios = gpio;
}

static struct i2c_board_info dm355evm_i2c_info[] = {
	{	I2C_BOARD_INFO("dm355evm_msp", 0x25),
		.platform_data = dm355evm_mmcsd_gpios,
	},
	/* { plus irq  }, */
	{ I2C_BOARD_INFO("tlv320aic33", 0x1b), },
};

static void __init evm_init_i2c(void)
{
	davinci_init_i2c(&i2c_pdata);

	gpio_request(5, "dm355evm_msp");
	gpio_direction_input(5);
	dm355evm_i2c_info[0].irq = gpio_to_irq(5);

	i2c_register_board_info(1, dm355evm_i2c_info,
			ARRAY_SIZE(dm355evm_i2c_info));
}

static struct resource dm355evm_dm9000_rsrc[] = {
	{
		/* addr */
		.start	= 0x04014000,
		.end	= 0x04014001,
		.flags	= IORESOURCE_MEM,
	}, {
		/* data */
		.start	= 0x04014002,
		.end	= 0x04014003,
		.flags	= IORESOURCE_MEM,
	}, {
		.flags	= IORESOURCE_IRQ
			| IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
	},
};

static struct platform_device dm355evm_dm9000 = {
	.name		= "dm9000",
	.id		= -1,
	.resource	= dm355evm_dm9000_rsrc,
	.num_resources	= ARRAY_SIZE(dm355evm_dm9000_rsrc),
};

static struct tvp514x_platform_data tvp5146_pdata = {
	.clk_polarity = 0,
	.hs_polarity = 1,
	.vs_polarity = 1
};

#define TVP514X_STD_ALL	(V4L2_STD_NTSC | V4L2_STD_PAL)
/* Inputs available at the TVP5146 */
static struct v4l2_input tvp5146_inputs[] = {
	{
		.index = 0,
		.name = "Composite",
		.type = V4L2_INPUT_TYPE_CAMERA,
		.std = TVP514X_STD_ALL,
	},
	{
		.index = 1,
		.name = "S-Video",
		.type = V4L2_INPUT_TYPE_CAMERA,
		.std = TVP514X_STD_ALL,
	},
};

/*
 * this is the route info for connecting each input to decoder
 * ouput that goes to vpfe. There is a one to one correspondence
 * with tvp5146_inputs
 */
static struct vpfe_route tvp5146_routes[] = {
	{
		.input = INPUT_CVBS_VI2B,
		.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
	},
	{
		.input = INPUT_SVIDEO_VI2C_VI1C,
		.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
	},
};

static struct vpfe_subdev_info vpfe_sub_devs[] = {
	{
		.name = "tvp5146",
		.grp_id = 0,
		.num_inputs = ARRAY_SIZE(tvp5146_inputs),
		.inputs = tvp5146_inputs,
		.routes = tvp5146_routes,
		.can_route = 1,
		.ccdc_if_params = {
			.if_type = VPFE_BT656,
			.hdpol = VPFE_PINPOL_POSITIVE,
			.vdpol = VPFE_PINPOL_POSITIVE,
		},
		.board_info = {
			I2C_BOARD_INFO("tvp5146", 0x5d),
			.platform_data = &tvp5146_pdata,
		},
	}
};

static struct vpfe_config vpfe_cfg = {
	.num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
	.sub_devs = vpfe_sub_devs,
	.card_name = "DM355 EVM",
	.ccdc = "DM355 CCDC",
};

static struct platform_device *davinci_evm_devices[] __initdata = {
	&dm355evm_dm9000,
	&davinci_nand_device,
};

static struct davinci_uart_config uart_config __initdata = {
	.enabled_uarts = (1 << 0),
};

static void __init dm355_evm_map_io(void)
{
	/* setup input configuration for VPFE input devices */
	dm355_set_vpfe_config(&vpfe_cfg);
	dm355_init();
}

static int dm355evm_mmc_get_cd(int module)
{
	if (!gpio_is_valid(dm355evm_mmc_gpios))
		return -ENXIO;
	/* low == card present */
	return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1);
}

static int dm355evm_mmc_get_ro(int module)
{
	if (!gpio_is_valid(dm355evm_mmc_gpios))
		return -ENXIO;
	/* high == card's write protect switch active */
	return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0);
}

static struct davinci_mmc_config dm355evm_mmc_config = {
	.get_cd		= dm355evm_mmc_get_cd,
	.get_ro		= dm355evm_mmc_get_ro,
	.wires		= 4,
	.max_freq       = 50000000,
	.caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
	.version	= MMC_CTLR_VERSION_1,
};

/* Don't connect anything to J10 unless you're only using USB host
 * mode *and* have to do so with some kind of gender-bender.  If
 * you have proper Mini-B or Mini-A cables (or Mini-A adapters)
 * the ID pin won't need any help.
 */
#ifdef CONFIG_USB_MUSB_PERIPHERAL
#define USB_ID_VALUE	0	/* ID pulled high; *should* float */
#else
#define USB_ID_VALUE	1	/* ID pulled low */
#endif

static struct spi_eeprom at25640a = {
	.byte_len	= SZ_64K / 8,
	.name		= "at25640a",
	.page_size	= 32,
	.flags		= EE_ADDR2,
};

static struct spi_board_info dm355_evm_spi_info[] __initconst = {
	{
		.modalias	= "at25",
		.platform_data	= &at25640a,
		.max_speed_hz	= 10 * 1000 * 1000,	/* at 3v3 */
		.bus_num	= 0,
		.chip_select	= 0,
		.mode		= SPI_MODE_0,
	},
};

static __init void dm355_evm_init(void)
{
	struct clk *aemif;

	gpio_request(1, "dm9000");
	gpio_direction_input(1);
	dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1);

	aemif = clk_get(&dm355evm_dm9000.dev, "aemif");
	if (IS_ERR(aemif))
		WARN("%s: unable to get AEMIF clock\n", __func__);
	else
		clk_enable(aemif);

	platform_add_devices(davinci_evm_devices,
			     ARRAY_SIZE(davinci_evm_devices));
	evm_init_i2c();
	davinci_serial_init(&uart_config);

	/* NOTE:  NAND flash timings set by the UBL are slower than
	 * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
	 * but could be 0x0400008c for about 25% faster page reads.
	 */

	gpio_request(2, "usb_id_toggle");
	gpio_direction_output(2, USB_ID_VALUE);
	/* irlml6401 switches over 1A in under 8 msec */
	setup_usb(500, 8);

	davinci_setup_mmc(0, &dm355evm_mmc_config);
	davinci_setup_mmc(1, &dm355evm_mmc_config);

	dm355_init_spi0(BIT(0), dm355_evm_spi_info,
			ARRAY_SIZE(dm355_evm_spi_info));

	/* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
	dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN, &dm355_evm_snd_data);
}

static __init void dm355_evm_irq_init(void)
{
	davinci_irq_init();
}

MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
	.phys_io      = IO_PHYS,
	.io_pg_offst  = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
	.boot_params  = (0x80000100),
	.map_io	      = dm355_evm_map_io,
	.init_irq     = dm355_evm_irq_init,
	.timer	      = &davinci_timer,
	.init_machine = dm355_evm_init,
MACHINE_END
Commit	Line	Data
95a3477f KH	1	/*
	2	* TI DaVinci EVM board support
	3	*
	4	* Author: Kevin Hilman, Deep Root Systems, LLC
	5	*
	6	* 2007 (c) MontaVista Software, Inc. This file is licensed under
	7	* the terms of the GNU General Public License version 2. This program
	8	* is licensed "as is" without any warranty of any kind, whether express
	9	* or implied.
	10	*/
	11	#include <linux/kernel.h>
	12	#include <linux/module.h>
	13	#include <linux/init.h>
	14	#include <linux/dma-mapping.h>
	15	#include <linux/platform_device.h>
	16	#include <linux/mtd/mtd.h>
	17	#include <linux/mtd/partitions.h>
	18	#include <linux/mtd/nand.h>
	19	#include <linux/i2c.h>
	20	#include <linux/io.h>
	21	#include <linux/gpio.h>
	22	#include <linux/clk.h>
51e68e27 MK	23	#include <linux/videodev2.h>
51e68e27 MK	24	#include <media/tvp514x.h>
95a3477f KH	25	#include <linux/spi/spi.h>
	26	#include <linux/spi/eeprom.h>
	27
	28	#include <asm/setup.h>
	29	#include <asm/mach-types.h>
	30	#include <asm/mach/arch.h>
	31	#include <asm/mach/map.h>
	32	#include <asm/mach/flash.h>
	33
	34	#include <mach/hardware.h>
	35	#include <mach/dm355.h>
	36	#include <mach/psc.h>
	37	#include <mach/common.h>
	38	#include <mach/i2c.h>
	39	#include <mach/serial.h>
	40	#include <mach/nand.h>
2dbf56ae	41	#include <mach/mmc.h>
95a3477f KH	42
	43	#define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e10000
	44	#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000
	45
	46	/* NOTE: this is geared for the standard config, with a socketed
	47	* 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you
	48	* swap chips, maybe with a different block size, partitioning may
	49	* need to be changed.
	50	*/
	51	#define NAND_BLOCK_SIZE SZ_128K
	52
	53	static struct mtd_partition davinci_nand_partitions[] = {
	54	{
	55	/* UBL (a few copies) plus U-Boot */
	56	.name = "bootloader",
	57	.offset = 0,
	58	.size = 15 * NAND_BLOCK_SIZE,
	59	.mask_flags = MTD_WRITEABLE, /* force read-only */
	60	}, {
	61	/* U-Boot environment */
	62	.name = "params",
	63	.offset = MTDPART_OFS_APPEND,
	64	.size = 1 * NAND_BLOCK_SIZE,
	65	.mask_flags = 0,
	66	}, {
	67	.name = "kernel",
	68	.offset = MTDPART_OFS_APPEND,
	69	.size = SZ_4M,
	70	.mask_flags = 0,
	71	}, {
	72	.name = "filesystem1",
	73	.offset = MTDPART_OFS_APPEND,
	74	.size = SZ_512M,
	75	.mask_flags = 0,
	76	}, {
	77	.name = "filesystem2",
	78	.offset = MTDPART_OFS_APPEND,
	79	.size = MTDPART_SIZ_FULL,
	80	.mask_flags = 0,
	81	}
	82	/* two blocks with bad block table (and mirror) at the end */
	83	};
	84
	85	static struct davinci_nand_pdata davinci_nand_data = {
	86	.mask_chipsel = BIT(14),
	87	.parts = davinci_nand_partitions,
	88	.nr_parts = ARRAY_SIZE(davinci_nand_partitions),
	89	.ecc_mode = NAND_ECC_HW_SYNDROME,
	90	.options = NAND_USE_FLASH_BBT,
	91	};
	92
	93	static struct resource davinci_nand_resources[] = {
	94	{
	95	.start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
	96	.end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
	97	.flags = IORESOURCE_MEM,
	98	}, {
	99	.start = DAVINCI_ASYNC_EMIF_CONTROL_BASE,
	100	.end = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
	101	.flags = IORESOURCE_MEM,
	102	},
	103	};
	104
	105	static struct platform_device davinci_nand_device = {
106	.name = "davinci_nand",
107	.id = 0,
108
109	.num_resources = ARRAY_SIZE(davinci_nand_resources),
110	.resource = davinci_nand_resources,
111
112	.dev = {
113	.platform_data = &davinci_nand_data,
114	},
115	};
116
117	static struct davinci_i2c_platform_data i2c_pdata = {
118	.bus_freq = 400 /* kHz */,
119	.bus_delay = 0 /* usec */,
120	};
121
61aa0732	122	static struct snd_platform_data dm355_evm_snd_data;
25acf553	123
95a3477f KH	124	static int dm355evm_mmc_gpios = -EINVAL;
	125
	126	static void dm355evm_mmcsd_gpios(unsigned gpio)
	127	{
	128	gpio_request(gpio + 0, "mmc0_ro");
	129	gpio_request(gpio + 1, "mmc0_cd");
	130	gpio_request(gpio + 2, "mmc1_ro");
	131	gpio_request(gpio + 3, "mmc1_cd");
	132
	133	/* we "know" these are input-only so we don't
	134	* need to call gpio_direction_input()
	135	*/
	136
	137	dm355evm_mmc_gpios = gpio;
	138	}
	139
	140	static struct i2c_board_info dm355evm_i2c_info[] = {
51e68e27	141	{ I2C_BOARD_INFO("dm355evm_msp", 0x25),
95a3477f	142	.platform_data = dm355evm_mmcsd_gpios,
51e68e27 MK	143	},
51e68e27 MK	144	/* { plus irq }, */
1a7ff8ff	145	{ I2C_BOARD_INFO("tlv320aic33", 0x1b), },
95a3477f KH	146	};
	147
	148	static void __init evm_init_i2c(void)
	149	{
	150	davinci_init_i2c(&i2c_pdata);
	151
	152	gpio_request(5, "dm355evm_msp");
	153	gpio_direction_input(5);
	154	dm355evm_i2c_info[0].irq = gpio_to_irq(5);
	155
	156	i2c_register_board_info(1, dm355evm_i2c_info,
	157	ARRAY_SIZE(dm355evm_i2c_info));
	158	}
	159
	160	static struct resource dm355evm_dm9000_rsrc[] = {
	161	{
	162	/* addr */
	163	.start = 0x04014000,
	164	.end = 0x04014001,
	165	.flags = IORESOURCE_MEM,
	166	}, {
	167	/* data */
	168	.start = 0x04014002,
	169	.end = 0x04014003,
	170	.flags = IORESOURCE_MEM,
	171	}, {
	172	.flags = IORESOURCE_IRQ
	173	\| IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
	174	},
	175	};
	176
	177	static struct platform_device dm355evm_dm9000 = {
	178	.name = "dm9000",
	179	.id = -1,
	180	.resource = dm355evm_dm9000_rsrc,
	181	.num_resources = ARRAY_SIZE(dm355evm_dm9000_rsrc),
	182	};
	183
51e68e27 MK	184	static struct tvp514x_platform_data tvp5146_pdata = {
	185	.clk_polarity = 0,
	186	.hs_polarity = 1,
	187	.vs_polarity = 1
	188	};
	189
	190	#define TVP514X_STD_ALL (V4L2_STD_NTSC \| V4L2_STD_PAL)
	191	/* Inputs available at the TVP5146 */
	192	static struct v4l2_input tvp5146_inputs[] = {
	193	{
	194	.index = 0,
	195	.name = "Composite",
	196	.type = V4L2_INPUT_TYPE_CAMERA,
	197	.std = TVP514X_STD_ALL,
	198	},
	199	{
	200	.index = 1,
	201	.name = "S-Video",
	202	.type = V4L2_INPUT_TYPE_CAMERA,
	203	.std = TVP514X_STD_ALL,
	204	},
	205	};
	206
	207	/*
	208	* this is the route info for connecting each input to decoder
	209	* ouput that goes to vpfe. There is a one to one correspondence
	210	* with tvp5146_inputs
	211	*/
	212	static struct vpfe_route tvp5146_routes[] = {
	213	{
	214	.input = INPUT_CVBS_VI2B,
	215	.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
	216	},
	217	{
	218	.input = INPUT_SVIDEO_VI2C_VI1C,
	219	.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
	220	},
	221	};
	222
	223	static struct vpfe_subdev_info vpfe_sub_devs[] = {
	224	{
	225	.name = "tvp5146",
	226	.grp_id = 0,
	227	.num_inputs = ARRAY_SIZE(tvp5146_inputs),
	228	.inputs = tvp5146_inputs,
	229	.routes = tvp5146_routes,
	230	.can_route = 1,
	231	.ccdc_if_params = {
	232	.if_type = VPFE_BT656,
	233	.hdpol = VPFE_PINPOL_POSITIVE,
	234	.vdpol = VPFE_PINPOL_POSITIVE,
	235	},
	236	.board_info = {
	237	I2C_BOARD_INFO("tvp5146", 0x5d),
	238	.platform_data = &tvp5146_pdata,
	239	},
	240	}
	241	};
	242
	243	static struct vpfe_config vpfe_cfg = {
	244	.num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
	245	.sub_devs = vpfe_sub_devs,
	246	.card_name = "DM355 EVM",
	247	.ccdc = "DM355 CCDC",
248	};
249
95a3477f KH	250	static struct platform_device *davinci_evm_devices[] __initdata = {
	251	&dm355evm_dm9000,
	252	&davinci_nand_device,
	253	};
	254
	255	static struct davinci_uart_config uart_config __initdata = {
	256	.enabled_uarts = (1 << 0),
	257	};
	258
	259	static void __init dm355_evm_map_io(void)
	260	{
51e68e27 MK	261	/* setup input configuration for VPFE input devices */
51e68e27 MK	262	dm355_set_vpfe_config(&vpfe_cfg);
95a3477f KH	263	dm355_init();
	264	}
	265
2dbf56ae KH	266	static int dm355evm_mmc_get_cd(int module)
	267	{
	268	if (!gpio_is_valid(dm355evm_mmc_gpios))
	269	return -ENXIO;
	270	/* low == card present */
	271	return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1);
	272	}
	273
	274	static int dm355evm_mmc_get_ro(int module)
	275	{
	276	if (!gpio_is_valid(dm355evm_mmc_gpios))
	277	return -ENXIO;
	278	/* high == card's write protect switch active */
	279	return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0);
	280	}
	281
	282	static struct davinci_mmc_config dm355evm_mmc_config = {
	283	.get_cd = dm355evm_mmc_get_cd,
	284	.get_ro = dm355evm_mmc_get_ro,
	285	.wires = 4,
	286	.max_freq = 50000000,
	287	.caps = MMC_CAP_MMC_HIGHSPEED \| MMC_CAP_SD_HIGHSPEED,
	288	.version = MMC_CTLR_VERSION_1,
	289	};
	290
95a3477f KH	291	/* Don't connect anything to J10 unless you're only using USB host
	292	* mode and have to do so with some kind of gender-bender. If
	293	* you have proper Mini-B or Mini-A cables (or Mini-A adapters)
	294	* the ID pin won't need any help.
	295	*/
	296	#ifdef CONFIG_USB_MUSB_PERIPHERAL
	297	#define USB_ID_VALUE 0 /* ID pulled high; should float */
	298	#else
	299	#define USB_ID_VALUE 1 /* ID pulled low */
	300	#endif
	301
	302	static struct spi_eeprom at25640a = {
	303	.byte_len = SZ_64K / 8,
	304	.name = "at25640a",
	305	.page_size = 32,
	306	.flags = EE_ADDR2,
	307	};
	308
	309	static struct spi_board_info dm355_evm_spi_info[] __initconst = {
	310	{
	311	.modalias = "at25",
	312	.platform_data = &at25640a,
	313	.max_speed_hz = 10 * 1000 * 1000, /* at 3v3 */
	314	.bus_num = 0,
	315	.chip_select = 0,
	316	.mode = SPI_MODE_0,
	317	},
	318	};
	319
	320	static __init void dm355_evm_init(void)
	321	{
	322	struct clk *aemif;
	323
	324	gpio_request(1, "dm9000");
	325	gpio_direction_input(1);
	326	dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1);
	327
	328	aemif = clk_get(&dm355evm_dm9000.dev, "aemif");
	329	if (IS_ERR(aemif))
	330	WARN("%s: unable to get AEMIF clock\n", __func__);
	331	else
	332	clk_enable(aemif);
	333
	334	platform_add_devices(davinci_evm_devices,
	335	ARRAY_SIZE(davinci_evm_devices));
	336	evm_init_i2c();
	337	davinci_serial_init(&uart_config);
	338
	339	/* NOTE: NAND flash timings set by the UBL are slower than
	340	* needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
	341	* but could be 0x0400008c for about 25% faster page reads.
	342	*/
	343
	344	gpio_request(2, "usb_id_toggle");
	345	gpio_direction_output(2, USB_ID_VALUE);
	346	/* irlml6401 switches over 1A in under 8 msec */
	347	setup_usb(500, 8);
	348
2dbf56ae KH	349	davinci_setup_mmc(0, &dm355evm_mmc_config);
	350	davinci_setup_mmc(1, &dm355evm_mmc_config);
	351
95a3477f KH	352	dm355_init_spi0(BIT(0), dm355_evm_spi_info,
95a3477f KH	353	ARRAY_SIZE(dm355_evm_spi_info));
25acf553 C	354
	355	/* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
	356	dm355_init_asp1(ASP1_TX_EVT_EN \| ASP1_RX_EVT_EN, &dm355_evm_snd_data);
95a3477f KH	357	}
	358
	359	static __init void dm355_evm_irq_init(void)
	360	{
	361	davinci_irq_init();
	362	}
	363
	364	MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
	365	.phys_io = IO_PHYS,
	366	.io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
	367	.boot_params = (0x80000100),
	368	.map_io = dm355_evm_map_io,
	369	.init_irq = dm355_evm_irq_init,
	370	.timer = &davinci_timer,
	371	.init_machine = dm355_evm_init,
	372	MACHINE_END