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-rw-r--r--kernel/arch/arm/mach-davinci/board-dm355-evm.c428
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diff --git a/kernel/arch/arm/mach-davinci/board-dm355-evm.c b/kernel/arch/arm/mach-davinci/board-dm355-evm.c
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index 000000000..b46b4d25f
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+++ b/kernel/arch/arm/mach-davinci/board-dm355-evm.c
@@ -0,0 +1,428 @@
+/*
+ * 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 <linux/platform_data/gpio-davinci.h>
+#include <linux/platform_data/i2c-davinci.h>
+#include <linux/platform_data/mtd-davinci.h>
+#include <linux/platform_data/mmc-davinci.h>
+#include <linux/platform_data/usb-davinci.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/serial.h>
+#include <mach/common.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",
+};
+
+/* venc standards timings */
+static struct vpbe_enc_mode_info dm355evm_enc_preset_timing[] = {
+ {
+ .name = "ntsc",
+ .timings_type = VPBE_ENC_STD,
+ .std_id = V4L2_STD_NTSC,
+ .interlaced = 1,
+ .xres = 720,
+ .yres = 480,
+ .aspect = {11, 10},
+ .fps = {30000, 1001},
+ .left_margin = 0x79,
+ .upper_margin = 0x10,
+ },
+ {
+ .name = "pal",
+ .timings_type = VPBE_ENC_STD,
+ .std_id = V4L2_STD_PAL,
+ .interlaced = 1,
+ .xres = 720,
+ .yres = 576,
+ .aspect = {54, 59},
+ .fps = {25, 1},
+ .left_margin = 0x7E,
+ .upper_margin = 0x16
+ },
+};
+
+#define VENC_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
+
+/*
+ * The outputs available from VPBE + ecnoders. Keep the
+ * the order same as that of encoders. First those from venc followed by that
+ * from encoders. Index in the output refers to index on a particular encoder.
+ * Driver uses this index to pass it to encoder when it supports more than
+ * one output. Application uses index of the array to set an output.
+ */
+static struct vpbe_output dm355evm_vpbe_outputs[] = {
+ {
+ .output = {
+ .index = 0,
+ .name = "Composite",
+ .type = V4L2_OUTPUT_TYPE_ANALOG,
+ .std = VENC_STD_ALL,
+ .capabilities = V4L2_OUT_CAP_STD,
+ },
+ .subdev_name = DM355_VPBE_VENC_SUBDEV_NAME,
+ .default_mode = "ntsc",
+ .num_modes = ARRAY_SIZE(dm355evm_enc_preset_timing),
+ .modes = dm355evm_enc_preset_timing,
+ .if_params = MEDIA_BUS_FMT_FIXED,
+ },
+};
+
+static struct vpbe_config dm355evm_display_cfg = {
+ .module_name = "dm355-vpbe-display",
+ .i2c_adapter_id = 1,
+ .osd = {
+ .module_name = DM355_VPBE_OSD_SUBDEV_NAME,
+ },
+ .venc = {
+ .module_name = DM355_VPBE_VENC_SUBDEV_NAME,
+ },
+ .num_outputs = ARRAY_SIZE(dm355evm_vpbe_outputs),
+ .outputs = dm355evm_vpbe_outputs,
+};
+
+static struct platform_device *davinci_evm_devices[] __initdata = {
+ &dm355evm_dm9000,
+ &davinci_nand_device,
+};
+
+static void __init dm355_evm_map_io(void)
+{
+ 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,
+};
+
+/* 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.
+ */
+#define USB_ID_VALUE 1 /* ID pulled low */
+
+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;
+ int ret;
+
+ ret = dm355_gpio_register();
+ if (ret)
+ pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
+
+ 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_prepare_enable(aemif);
+
+ platform_add_devices(davinci_evm_devices,
+ ARRAY_SIZE(davinci_evm_devices));
+ evm_init_i2c();
+ davinci_serial_init(dm355_serial_device);
+
+ /* 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_video(&vpfe_cfg, &dm355evm_display_cfg);
+
+ 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,
+ .init_time = davinci_timer_init,
+ .init_machine = dm355_evm_init,
+ .init_late = davinci_init_late,
+ .dma_zone_size = SZ_128M,
+ .restart = davinci_restart,
+MACHINE_END