Initial import

1 files changed, 809 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
new file mode 100644
index 000000000..846a84ddc
--- /dev/null
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -0,0 +1,809 @@
+/*
+ * TI DaVinci DM646X EVM board
+ *
+ * Derived from: arch/arm/mach-davinci/board-evm.c
+ * Copyright (C) 2006 Texas Instruments.
+ *
+ * (C) 2007-2008, 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.
+ *
+ */
+
+/**************************************************************************
+ * Included Files
+ **************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/platform_data/at24.h>
+#include <linux/i2c/pcf857x.h>
+
+#include <media/tvp514x.h>
+#include <media/adv7343.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/clk.h>
+#include <linux/export.h>
+#include <linux/platform_data/gpio-davinci.h>
+#include <linux/platform_data/i2c-davinci.h>
+#include <linux/platform_data/mtd-davinci.h>
+#include <linux/platform_data/mtd-davinci-aemif.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/common.h>
+#include <mach/irqs.h>
+#include <mach/serial.h>
+#include <mach/clock.h>
+
+#include "davinci.h"
+#include "clock.h"
+
+#define NAND_BLOCK_SIZE		SZ_128K
+
+/* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
+ * and U-Boot environment this avoids dependency on any particular combination
+ * of UBL, U-Boot or flashing tools etc.
+ */
+static struct mtd_partition davinci_nand_partitions[] = {
+	{
+		/* UBL, U-Boot with environment */
+		.name		= "bootloader",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 16 * NAND_BLOCK_SIZE,
+		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
+	}, {
+		.name		= "kernel",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_4M,
+		.mask_flags	= 0,
+	}, {
+		.name		= "filesystem",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= MTDPART_SIZ_FULL,
+		.mask_flags	= 0,
+	}
+};
+
+static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
+	.wsetup		= 29,
+	.wstrobe	= 24,
+	.whold		= 14,
+	.rsetup		= 19,
+	.rstrobe	= 33,
+	.rhold		= 0,
+	.ta		= 29,
+};
+
+static struct davinci_nand_pdata davinci_nand_data = {
+	.mask_cle 		= 0x80000,
+	.mask_ale 		= 0x40000,
+	.parts			= davinci_nand_partitions,
+	.nr_parts		= ARRAY_SIZE(davinci_nand_partitions),
+	.ecc_mode		= NAND_ECC_HW,
+	.ecc_bits		= 1,
+	.options		= 0,
+};
+
+static struct resource davinci_nand_resources[] = {
+	{
+		.start		= DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
+		.end		= DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
+		.flags		= IORESOURCE_MEM,
+	}, {
+		.start		= DM646X_ASYNC_EMIF_CONTROL_BASE,
+		.end		= DM646X_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,
+	},
+};
+
+#define HAS_ATA		IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710)
+
+/* CPLD Register 0 bits to control ATA */
+#define DM646X_EVM_ATA_RST		BIT(0)
+#define DM646X_EVM_ATA_PWD		BIT(1)
+
+/* CPLD Register 0 Client: used for I/O Control */
+static int cpld_reg0_probe(struct i2c_client *client,
+			   const struct i2c_device_id *id)
+{
+	if (HAS_ATA) {
+		u8 data;
+		struct i2c_msg msg[2] = {
+			{
+				.addr = client->addr,
+				.flags = I2C_M_RD,
+				.len = 1,
+				.buf = &data,
+			},
+			{
+				.addr = client->addr,
+				.flags = 0,
+				.len = 1,
+				.buf = &data,
+			},
+		};
+
+		/* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
+		i2c_transfer(client->adapter, msg, 1);
+		data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
+		i2c_transfer(client->adapter, msg + 1, 1);
+	}
+
+	return 0;
+}
+
+static const struct i2c_device_id cpld_reg_ids[] = {
+	{ "cpld_reg0", 0, },
+	{ },
+};
+
+static struct i2c_driver dm6467evm_cpld_driver = {
+	.driver.name	= "cpld_reg0",
+	.id_table	= cpld_reg_ids,
+	.probe		= cpld_reg0_probe,
+};
+
+/* LEDS */
+
+static struct gpio_led evm_leds[] = {
+	{ .name = "DS1", .active_low = 1, },
+	{ .name = "DS2", .active_low = 1, },
+	{ .name = "DS3", .active_low = 1, },
+	{ .name = "DS4", .active_low = 1, },
+};
+
+static const struct gpio_led_platform_data evm_led_data = {
+	.num_leds = ARRAY_SIZE(evm_leds),
+	.leds     = evm_leds,
+};
+
+static struct platform_device *evm_led_dev;
+
+static int evm_led_setup(struct i2c_client *client, int gpio,
+			unsigned int ngpio, void *c)
+{
+	struct gpio_led *leds = evm_leds;
+	int status;
+
+	while (ngpio--) {
+		leds->gpio = gpio++;
+		leds++;
+	}
+
+	evm_led_dev = platform_device_alloc("leds-gpio", 0);
+	platform_device_add_data(evm_led_dev, &evm_led_data,
+				sizeof(evm_led_data));
+
+	evm_led_dev->dev.parent = &client->dev;
+	status = platform_device_add(evm_led_dev);
+	if (status < 0) {
+		platform_device_put(evm_led_dev);
+		evm_led_dev = NULL;
+	}
+	return status;
+}
+
+static int evm_led_teardown(struct i2c_client *client, int gpio,
+				unsigned ngpio, void *c)
+{
+	if (evm_led_dev) {
+		platform_device_unregister(evm_led_dev);
+		evm_led_dev = NULL;
+	}
+	return 0;
+}
+
+static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
+
+static int evm_sw_setup(struct i2c_client *client, int gpio,
+			unsigned ngpio, void *c)
+{
+	int status;
+	int i;
+	char label[10];
+
+	for (i = 0; i < 4; ++i) {
+		snprintf(label, 10, "user_sw%d", i);
+		status = gpio_request(gpio, label);
+		if (status)
+			goto out_free;
+		evm_sw_gpio[i] = gpio++;
+
+		status = gpio_direction_input(evm_sw_gpio[i]);
+		if (status) {
+			gpio_free(evm_sw_gpio[i]);
+			evm_sw_gpio[i] = -EINVAL;
+			goto out_free;
+		}
+
+		status = gpio_export(evm_sw_gpio[i], 0);
+		if (status) {
+			gpio_free(evm_sw_gpio[i]);
+			evm_sw_gpio[i] = -EINVAL;
+			goto out_free;
+		}
+	}
+	return status;
+out_free:
+	for (i = 0; i < 4; ++i) {
+		if (evm_sw_gpio[i] != -EINVAL) {
+			gpio_free(evm_sw_gpio[i]);
+			evm_sw_gpio[i] = -EINVAL;
+		}
+	}
+	return status;
+}
+
+static int evm_sw_teardown(struct i2c_client *client, int gpio,
+			unsigned ngpio, void *c)
+{
+	int i;
+
+	for (i = 0; i < 4; ++i) {
+		if (evm_sw_gpio[i] != -EINVAL) {
+			gpio_unexport(evm_sw_gpio[i]);
+			gpio_free(evm_sw_gpio[i]);
+			evm_sw_gpio[i] = -EINVAL;
+		}
+	}
+	return 0;
+}
+
+static int evm_pcf_setup(struct i2c_client *client, int gpio,
+			unsigned int ngpio, void *c)
+{
+	int status;
+
+	if (ngpio < 8)
+		return -EINVAL;
+
+	status = evm_sw_setup(client, gpio, 4, c);
+	if (status)
+		return status;
+
+	return evm_led_setup(client, gpio+4, 4, c);
+}
+
+static int evm_pcf_teardown(struct i2c_client *client, int gpio,
+			unsigned int ngpio, void *c)
+{
+	BUG_ON(ngpio < 8);
+
+	evm_sw_teardown(client, gpio, 4, c);
+	evm_led_teardown(client, gpio+4, 4, c);
+
+	return 0;
+}
+
+static struct pcf857x_platform_data pcf_data = {
+	.gpio_base	= DAVINCI_N_GPIO+1,
+	.setup		= evm_pcf_setup,
+	.teardown	= evm_pcf_teardown,
+};
+
+/* Most of this EEPROM is unused, but U-Boot uses some data:
+ *  - 0x7f00, 6 bytes Ethernet Address
+ *  - ... newer boards may have more
+ */
+
+static struct at24_platform_data eeprom_info = {
+	.byte_len       = (256*1024) / 8,
+	.page_size      = 64,
+	.flags          = AT24_FLAG_ADDR16,
+	.setup          = davinci_get_mac_addr,
+	.context	= (void *)0x7f00,
+};
+
+static u8 dm646x_iis_serializer_direction[] = {
+       TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
+};
+
+static u8 dm646x_dit_serializer_direction[] = {
+       TX_MODE,
+};
+
+static struct snd_platform_data dm646x_evm_snd_data[] = {
+	{
+		.tx_dma_offset  = 0x400,
+		.rx_dma_offset  = 0x400,
+		.op_mode        = DAVINCI_MCASP_IIS_MODE,
+		.num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
+		.tdm_slots      = 2,
+		.serial_dir     = dm646x_iis_serializer_direction,
+		.asp_chan_q     = EVENTQ_0,
+	},
+	{
+		.tx_dma_offset  = 0x400,
+		.rx_dma_offset  = 0,
+		.op_mode        = DAVINCI_MCASP_DIT_MODE,
+		.num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
+		.tdm_slots      = 32,
+		.serial_dir     = dm646x_dit_serializer_direction,
+		.asp_chan_q     = EVENTQ_0,
+	},
+};
+
+static struct i2c_client *cpld_client;
+
+static int cpld_video_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
+{
+	cpld_client = client;
+	return 0;
+}
+
+static int cpld_video_remove(struct i2c_client *client)
+{
+	cpld_client = NULL;
+	return 0;
+}
+
+static const struct i2c_device_id cpld_video_id[] = {
+	{ "cpld_video", 0 },
+	{ }
+};
+
+static struct i2c_driver cpld_video_driver = {
+	.driver = {
+		.name	= "cpld_video",
+	},
+	.probe		= cpld_video_probe,
+	.remove		= cpld_video_remove,
+	.id_table	= cpld_video_id,
+};
+
+static void evm_init_cpld(void)
+{
+	i2c_add_driver(&cpld_video_driver);
+}
+
+static struct i2c_board_info __initdata i2c_info[] =  {
+	{
+		I2C_BOARD_INFO("24c256", 0x50),
+		.platform_data  = &eeprom_info,
+	},
+	{
+		I2C_BOARD_INFO("pcf8574a", 0x38),
+		.platform_data	= &pcf_data,
+	},
+	{
+		I2C_BOARD_INFO("cpld_reg0", 0x3a),
+	},
+	{
+		I2C_BOARD_INFO("tlv320aic33", 0x18),
+	},
+	{
+		I2C_BOARD_INFO("cpld_video", 0x3b),
+	},
+};
+
+static struct davinci_i2c_platform_data i2c_pdata = {
+	.bus_freq       = 100 /* kHz */,
+	.bus_delay      = 0 /* usec */,
+};
+
+#define VCH2CLK_MASK		(BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
+#define VCH2CLK_SYSCLK8		(BIT(9))
+#define VCH2CLK_AUXCLK		(BIT(9) | BIT(8))
+#define VCH3CLK_MASK		(BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
+#define VCH3CLK_SYSCLK8		(BIT(13))
+#define VCH3CLK_AUXCLK		(BIT(14) | BIT(13))
+
+#define VIDCH2CLK		(BIT(10))
+#define VIDCH3CLK		(BIT(11))
+#define VIDCH1CLK		(BIT(4))
+#define TVP7002_INPUT		(BIT(4))
+#define TVP5147_INPUT		(~BIT(4))
+#define VPIF_INPUT_ONE_CHANNEL	(BIT(5))
+#define VPIF_INPUT_TWO_CHANNEL	(~BIT(5))
+#define TVP5147_CH0		"tvp514x-0"
+#define TVP5147_CH1		"tvp514x-1"
+
+/* spin lock for updating above registers */
+static spinlock_t vpif_reg_lock;
+
+static int set_vpif_clock(int mux_mode, int hd)
+{
+	unsigned long flags;
+	unsigned int value;
+	int val = 0;
+	int err = 0;
+
+	if (!cpld_client)
+		return -ENXIO;
+
+	/* disable the clock */
+	spin_lock_irqsave(&vpif_reg_lock, flags);
+	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
+	value |= (VIDCH3CLK | VIDCH2CLK);
+	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
+	spin_unlock_irqrestore(&vpif_reg_lock, flags);
+
+	val = i2c_smbus_read_byte(cpld_client);
+	if (val < 0)
+		return val;
+
+	if (mux_mode == 1)
+		val &= ~0x40;
+	else
+		val |= 0x40;
+
+	err = i2c_smbus_write_byte(cpld_client, val);
+	if (err)
+		return err;
+
+	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
+	value &= ~(VCH2CLK_MASK);
+	value &= ~(VCH3CLK_MASK);
+
+	if (hd >= 1)
+		value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
+	else
+		value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
+
+	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
+
+	spin_lock_irqsave(&vpif_reg_lock, flags);
+	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
+	/* enable the clock */
+	value &= ~(VIDCH3CLK | VIDCH2CLK);
+	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
+	spin_unlock_irqrestore(&vpif_reg_lock, flags);
+
+	return 0;
+}
+
+static struct vpif_subdev_info dm646x_vpif_subdev[] = {
+	{
+		.name	= "adv7343",
+		.board_info = {
+			I2C_BOARD_INFO("adv7343", 0x2a),
+		},
+	},
+	{
+		.name	= "ths7303",
+		.board_info = {
+			I2C_BOARD_INFO("ths7303", 0x2c),
+		},
+	},
+};
+
+static const struct vpif_output dm6467_ch0_outputs[] = {
+	{
+		.output = {
+			.index = 0,
+			.name = "Composite",
+			.type = V4L2_OUTPUT_TYPE_ANALOG,
+			.capabilities = V4L2_OUT_CAP_STD,
+			.std = V4L2_STD_ALL,
+		},
+		.subdev_name = "adv7343",
+		.output_route = ADV7343_COMPOSITE_ID,
+	},
+	{
+		.output = {
+			.index = 1,
+			.name = "Component",
+			.type = V4L2_OUTPUT_TYPE_ANALOG,
+			.capabilities = V4L2_OUT_CAP_DV_TIMINGS,
+		},
+		.subdev_name = "adv7343",
+		.output_route = ADV7343_COMPONENT_ID,
+	},
+	{
+		.output = {
+			.index = 2,
+			.name = "S-Video",
+			.type = V4L2_OUTPUT_TYPE_ANALOG,
+			.capabilities = V4L2_OUT_CAP_STD,
+			.std = V4L2_STD_ALL,
+		},
+		.subdev_name = "adv7343",
+		.output_route = ADV7343_SVIDEO_ID,
+	},
+};
+
+static struct vpif_display_config dm646x_vpif_display_config = {
+	.set_clock	= set_vpif_clock,
+	.subdevinfo	= dm646x_vpif_subdev,
+	.subdev_count	= ARRAY_SIZE(dm646x_vpif_subdev),
+	.chan_config[0] = {
+		.outputs = dm6467_ch0_outputs,
+		.output_count = ARRAY_SIZE(dm6467_ch0_outputs),
+	},
+	.card_name	= "DM646x EVM",
+};
+
+/**
+ * setup_vpif_input_path()
+ * @channel: channel id (0 - CH0, 1 - CH1)
+ * @sub_dev_name: ptr sub device name
+ *
+ * This will set vpif input to capture data from tvp514x or
+ * tvp7002.
+ */
+static int setup_vpif_input_path(int channel, const char *sub_dev_name)
+{
+	int err = 0;
+	int val;
+
+	/* for channel 1, we don't do anything */
+	if (channel != 0)
+		return 0;
+
+	if (!cpld_client)
+		return -ENXIO;
+
+	val = i2c_smbus_read_byte(cpld_client);
+	if (val < 0)
+		return val;
+
+	if (!strcmp(sub_dev_name, TVP5147_CH0) ||
+	    !strcmp(sub_dev_name, TVP5147_CH1))
+		val &= TVP5147_INPUT;
+	else
+		val |= TVP7002_INPUT;
+
+	err = i2c_smbus_write_byte(cpld_client, val);
+	if (err)
+		return err;
+	return 0;
+}
+
+/**
+ * setup_vpif_input_channel_mode()
+ * @mux_mode:  mux mode. 0 - 1 channel or (1) - 2 channel
+ *
+ * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
+ */
+static int setup_vpif_input_channel_mode(int mux_mode)
+{
+	unsigned long flags;
+	int err = 0;
+	int val;
+	u32 value;
+
+	if (!cpld_client)
+		return -ENXIO;
+
+	val = i2c_smbus_read_byte(cpld_client);
+	if (val < 0)
+		return val;
+
+	spin_lock_irqsave(&vpif_reg_lock, flags);
+	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
+	if (mux_mode) {
+		val &= VPIF_INPUT_TWO_CHANNEL;
+		value |= VIDCH1CLK;
+	} else {
+		val |= VPIF_INPUT_ONE_CHANNEL;
+		value &= ~VIDCH1CLK;
+	}
+	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
+	spin_unlock_irqrestore(&vpif_reg_lock, flags);
+
+	err = i2c_smbus_write_byte(cpld_client, val);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+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)
+
+static struct vpif_subdev_info vpif_capture_sdev_info[] = {
+	{
+		.name	= TVP5147_CH0,
+		.board_info = {
+			I2C_BOARD_INFO("tvp5146", 0x5d),
+			.platform_data = &tvp5146_pdata,
+		},
+	},
+	{
+		.name	= TVP5147_CH1,
+		.board_info = {
+			I2C_BOARD_INFO("tvp5146", 0x5c),
+			.platform_data = &tvp5146_pdata,
+		},
+	},
+};
+
+static const struct vpif_input dm6467_ch0_inputs[] = {
+	{
+		.input = {
+			.index = 0,
+			.name = "Composite",
+			.type = V4L2_INPUT_TYPE_CAMERA,
+			.capabilities = V4L2_IN_CAP_STD,
+			.std = TVP514X_STD_ALL,
+		},
+		.subdev_name = TVP5147_CH0,
+		.input_route = INPUT_CVBS_VI2B,
+		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+	},
+};
+
+static const struct vpif_input dm6467_ch1_inputs[] = {
+       {
+		.input = {
+			.index = 0,
+			.name = "S-Video",
+			.type = V4L2_INPUT_TYPE_CAMERA,
+			.capabilities = V4L2_IN_CAP_STD,
+			.std = TVP514X_STD_ALL,
+		},
+		.subdev_name = TVP5147_CH1,
+		.input_route = INPUT_SVIDEO_VI2C_VI1C,
+		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+	},
+};
+
+static struct vpif_capture_config dm646x_vpif_capture_cfg = {
+	.setup_input_path = setup_vpif_input_path,
+	.setup_input_channel_mode = setup_vpif_input_channel_mode,
+	.subdev_info = vpif_capture_sdev_info,
+	.subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
+	.chan_config[0] = {
+		.inputs = dm6467_ch0_inputs,
+		.input_count = ARRAY_SIZE(dm6467_ch0_inputs),
+		.vpif_if = {
+			.if_type = VPIF_IF_BT656,
+			.hd_pol = 1,
+			.vd_pol = 1,
+			.fid_pol = 0,
+		},
+	},
+	.chan_config[1] = {
+		.inputs = dm6467_ch1_inputs,
+		.input_count = ARRAY_SIZE(dm6467_ch1_inputs),
+		.vpif_if = {
+			.if_type = VPIF_IF_BT656,
+			.hd_pol = 1,
+			.vd_pol = 1,
+			.fid_pol = 0,
+		},
+	},
+};
+
+static void __init evm_init_video(void)
+{
+	spin_lock_init(&vpif_reg_lock);
+
+	dm646x_setup_vpif(&dm646x_vpif_display_config,
+			  &dm646x_vpif_capture_cfg);
+}
+
+static void __init evm_init_i2c(void)
+{
+	davinci_init_i2c(&i2c_pdata);
+	i2c_add_driver(&dm6467evm_cpld_driver);
+	i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
+	evm_init_cpld();
+	evm_init_video();
+}
+
+#define DM6467T_EVM_REF_FREQ		33000000
+
+static void __init davinci_map_io(void)
+{
+	dm646x_init();
+
+	if (machine_is_davinci_dm6467tevm())
+		davinci_set_refclk_rate(DM6467T_EVM_REF_FREQ);
+}
+
+#define DM646X_EVM_PHY_ID		"davinci_mdio-0:01"
+/*
+ * The following EDMA channels/slots are not being used by drivers (for
+ * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
+ * reserved for codecs on the DSP side.
+ */
+static const s16 dm646x_dma_rsv_chans[][2] = {
+	/* (offset, number) */
+	{ 0,  4},
+	{13,  3},
+	{24,  4},
+	{30,  2},
+	{54,  3},
+	{-1, -1}
+};
+
+static const s16 dm646x_dma_rsv_slots[][2] = {
+	/* (offset, number) */
+	{ 0,  4},
+	{13,  3},
+	{24,  4},
+	{30,  2},
+	{54,  3},
+	{128, 384},
+	{-1, -1}
+};
+
+static struct edma_rsv_info dm646x_edma_rsv[] = {
+	{
+		.rsv_chans	= dm646x_dma_rsv_chans,
+		.rsv_slots	= dm646x_dma_rsv_slots,
+	},
+};
+
+static __init void evm_init(void)
+{
+	int ret;
+	struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+	ret = dm646x_gpio_register();
+	if (ret)
+		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
+
+	evm_init_i2c();
+	davinci_serial_init(dm646x_serial_device);
+	dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
+	dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
+
+	if (machine_is_davinci_dm6467tevm())
+		davinci_nand_data.timing = &dm6467tevm_nandflash_timing;
+
+	platform_device_register(&davinci_nand_device);
+
+	if (davinci_aemif_setup(&davinci_nand_device))
+		pr_warn("%s: Cannot configure AEMIF.\n", __func__);
+
+	dm646x_init_edma(dm646x_edma_rsv);
+
+	if (HAS_ATA)
+		davinci_init_ide();
+
+	soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
+}
+
+MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
+	.atag_offset  = 0x100,
+	.map_io       = davinci_map_io,
+	.init_irq     = davinci_irq_init,
+	.init_time	= davinci_timer_init,
+	.init_machine = evm_init,
+	.init_late	= davinci_init_late,
+	.dma_zone_size	= SZ_128M,
+	.restart	= davinci_restart,
+MACHINE_END
+
+MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
+	.atag_offset  = 0x100,
+	.map_io       = davinci_map_io,
+	.init_irq     = davinci_irq_init,
+	.init_time	= davinci_timer_init,
+	.init_machine = evm_init,
+	.init_late	= davinci_init_late,
+	.dma_zone_size	= SZ_128M,
+	.restart	= davinci_restart,
+MACHINE_END
+