1 files changed, 362 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
new file mode 100644
index 00000000..82ed753f
--- /dev/null
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -0,0 +1,362 @@
+/*
+ * 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/init.h>
+#include <linux/err.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/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/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/i2c.h>
+#include <mach/serial.h>
+#include <mach/nand.h>
+#include <mach/mmc.h>
+#include <mach/usb.h>
+
+#include "davinci.h"
+
+/* 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,
+	.bbt_options		= NAND_BBT_USE_FLASH,
+	.ecc_bits		= 4,
+};
+
+static struct resource davinci_nand_resources[] = {
+	{
+		.start		= DM355_ASYNC_EMIF_DATA_CE0_BASE,
+		.end		= DM355_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
+		.flags		= IORESOURCE_MEM,
+	}, {
+		.start		= DM355_ASYNC_EMIF_CONTROL_BASE,
+		.end		= DM355_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 */,
+	.sda_pin        = 15,
+	.scl_pin        = 14,
+};
+
+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),
+	.i2c_adapter_id = 1,
+	.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 */
+	davinci_setup_usb(1000, 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);
+}
+
+MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
+	.atag_offset  = 0x100,
+	.map_io	      = dm355_evm_map_io,
+	.init_irq     = davinci_irq_init,
+	.timer	      = &davinci_timer,
+	.init_machine = dm355_evm_init,
+	.dma_zone_size	= SZ_128M,
+	.restart	= davinci_restart,
+MACHINE_END