| /* |
| * TI DaVinci DM365 EVM board support |
| * |
| * Copyright (C) 2009 Texas Instruments Incorporated |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation version 2. |
| * |
| * This program is distributed "as is" WITHOUT ANY WARRANTY of any |
| * kind, whether express or implied; without even the implied warranty |
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/err.h> |
| #include <linux/i2c.h> |
| #include <linux/io.h> |
| #include <linux/clk.h> |
| #include <linux/i2c/at24.h> |
| #include <linux/leds.h> |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/partitions.h> |
| #include <linux/slab.h> |
| #include <linux/mtd/nand.h> |
| #include <linux/input.h> |
| #include <linux/spi/spi.h> |
| #include <linux/spi/eeprom.h> |
| #include <linux/v4l2-dv-timings.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| |
| #include <mach/mux.h> |
| #include <mach/common.h> |
| #include <linux/platform_data/i2c-davinci.h> |
| #include <mach/serial.h> |
| #include <linux/platform_data/mmc-davinci.h> |
| #include <linux/platform_data/mtd-davinci.h> |
| #include <linux/platform_data/keyscan-davinci.h> |
| |
| #include <media/ths7303.h> |
| #include <media/tvp514x.h> |
| |
| #include "davinci.h" |
| |
| static inline int have_imager(void) |
| { |
| /* REVISIT when it's supported, trigger via Kconfig */ |
| return 0; |
| } |
| |
| static inline int have_tvp7002(void) |
| { |
| /* REVISIT when it's supported, trigger via Kconfig */ |
| return 0; |
| } |
| |
| #define DM365_EVM_PHY_ID "davinci_mdio-0:01" |
| /* |
| * A MAX-II CPLD is used for various board control functions. |
| */ |
| #define CPLD_OFFSET(a13a8,a2a1) (((a13a8) << 10) + ((a2a1) << 3)) |
| |
| #define CPLD_VERSION CPLD_OFFSET(0,0) /* r/o */ |
| #define CPLD_TEST CPLD_OFFSET(0,1) |
| #define CPLD_LEDS CPLD_OFFSET(0,2) |
| #define CPLD_MUX CPLD_OFFSET(0,3) |
| #define CPLD_SWITCH CPLD_OFFSET(1,0) /* r/o */ |
| #define CPLD_POWER CPLD_OFFSET(1,1) |
| #define CPLD_VIDEO CPLD_OFFSET(1,2) |
| #define CPLD_CARDSTAT CPLD_OFFSET(1,3) /* r/o */ |
| |
| #define CPLD_DILC_OUT CPLD_OFFSET(2,0) |
| #define CPLD_DILC_IN CPLD_OFFSET(2,1) /* r/o */ |
| |
| #define CPLD_IMG_DIR0 CPLD_OFFSET(2,2) |
| #define CPLD_IMG_MUX0 CPLD_OFFSET(2,3) |
| #define CPLD_IMG_MUX1 CPLD_OFFSET(3,0) |
| #define CPLD_IMG_DIR1 CPLD_OFFSET(3,1) |
| #define CPLD_IMG_MUX2 CPLD_OFFSET(3,2) |
| #define CPLD_IMG_MUX3 CPLD_OFFSET(3,3) |
| #define CPLD_IMG_DIR2 CPLD_OFFSET(4,0) |
| #define CPLD_IMG_MUX4 CPLD_OFFSET(4,1) |
| #define CPLD_IMG_MUX5 CPLD_OFFSET(4,2) |
| |
| #define CPLD_RESETS CPLD_OFFSET(4,3) |
| |
| #define CPLD_CCD_DIR1 CPLD_OFFSET(0x3e,0) |
| #define CPLD_CCD_IO1 CPLD_OFFSET(0x3e,1) |
| #define CPLD_CCD_DIR2 CPLD_OFFSET(0x3e,2) |
| #define CPLD_CCD_IO2 CPLD_OFFSET(0x3e,3) |
| #define CPLD_CCD_DIR3 CPLD_OFFSET(0x3f,0) |
| #define CPLD_CCD_IO3 CPLD_OFFSET(0x3f,1) |
| |
| static void __iomem *cpld; |
| |
| |
| /* NOTE: this is geared for the standard config, with a socketed |
| * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you |
| * swap chips with a different block size, partitioning will |
| * need to be changed. This NAND chip MT29F16G08FAA is the default |
| * NAND shipped with the Spectrum Digital DM365 EVM |
| */ |
| #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 = 30 * NAND_BLOCK_SIZE, |
| .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| }, { |
| /* U-Boot environment */ |
| .name = "params", |
| .offset = MTDPART_OFS_APPEND, |
| .size = 2 * 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 = DM365_ASYNC_EMIF_DATA_CE0_BASE, |
| .end = DM365_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1, |
| .flags = IORESOURCE_MEM, |
| }, { |
| .start = DM365_ASYNC_EMIF_CONTROL_BASE, |
| .end = DM365_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 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 struct snd_platform_data dm365_evm_snd_data __maybe_unused = { |
| .asp_chan_q = EVENTQ_3, |
| }; |
| |
| static struct i2c_board_info i2c_info[] = { |
| { |
| I2C_BOARD_INFO("24c256", 0x50), |
| .platform_data = &eeprom_info, |
| }, |
| { |
| I2C_BOARD_INFO("tlv320aic3x", 0x18), |
| }, |
| }; |
| |
| static struct davinci_i2c_platform_data i2c_pdata = { |
| .bus_freq = 400 /* kHz */, |
| .bus_delay = 0 /* usec */, |
| }; |
| |
| static int dm365evm_keyscan_enable(struct device *dev) |
| { |
| return davinci_cfg_reg(DM365_KEYSCAN); |
| } |
| |
| static unsigned short dm365evm_keymap[] = { |
| KEY_KP2, |
| KEY_LEFT, |
| KEY_EXIT, |
| KEY_DOWN, |
| KEY_ENTER, |
| KEY_UP, |
| KEY_KP1, |
| KEY_RIGHT, |
| KEY_MENU, |
| KEY_RECORD, |
| KEY_REWIND, |
| KEY_KPMINUS, |
| KEY_STOP, |
| KEY_FASTFORWARD, |
| KEY_KPPLUS, |
| KEY_PLAYPAUSE, |
| 0 |
| }; |
| |
| static struct davinci_ks_platform_data dm365evm_ks_data = { |
| .device_enable = dm365evm_keyscan_enable, |
| .keymap = dm365evm_keymap, |
| .keymapsize = ARRAY_SIZE(dm365evm_keymap), |
| .rep = 1, |
| /* Scan period = strobe + interval */ |
| .strobe = 0x5, |
| .interval = 0x2, |
| .matrix_type = DAVINCI_KEYSCAN_MATRIX_4X4, |
| }; |
| |
| static int cpld_mmc_get_cd(int module) |
| { |
| if (!cpld) |
| return -ENXIO; |
| |
| /* low == card present */ |
| return !(__raw_readb(cpld + CPLD_CARDSTAT) & BIT(module ? 4 : 0)); |
| } |
| |
| static int cpld_mmc_get_ro(int module) |
| { |
| if (!cpld) |
| return -ENXIO; |
| |
| /* high == card's write protect switch active */ |
| return !!(__raw_readb(cpld + CPLD_CARDSTAT) & BIT(module ? 5 : 1)); |
| } |
| |
| static struct davinci_mmc_config dm365evm_mmc_config = { |
| .get_cd = cpld_mmc_get_cd, |
| .get_ro = cpld_mmc_get_ro, |
| .wires = 4, |
| .max_freq = 50000000, |
| .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, |
| }; |
| |
| static void dm365evm_emac_configure(void) |
| { |
| /* |
| * EMAC pins are multiplexed with GPIO and UART |
| * Further details are available at the DM365 ARM |
| * Subsystem Users Guide(sprufg5.pdf) pages 125 - 127 |
| */ |
| davinci_cfg_reg(DM365_EMAC_TX_EN); |
| davinci_cfg_reg(DM365_EMAC_TX_CLK); |
| davinci_cfg_reg(DM365_EMAC_COL); |
| davinci_cfg_reg(DM365_EMAC_TXD3); |
| davinci_cfg_reg(DM365_EMAC_TXD2); |
| davinci_cfg_reg(DM365_EMAC_TXD1); |
| davinci_cfg_reg(DM365_EMAC_TXD0); |
| davinci_cfg_reg(DM365_EMAC_RXD3); |
| davinci_cfg_reg(DM365_EMAC_RXD2); |
| davinci_cfg_reg(DM365_EMAC_RXD1); |
| davinci_cfg_reg(DM365_EMAC_RXD0); |
| davinci_cfg_reg(DM365_EMAC_RX_CLK); |
| davinci_cfg_reg(DM365_EMAC_RX_DV); |
| davinci_cfg_reg(DM365_EMAC_RX_ER); |
| davinci_cfg_reg(DM365_EMAC_CRS); |
| davinci_cfg_reg(DM365_EMAC_MDIO); |
| davinci_cfg_reg(DM365_EMAC_MDCLK); |
| |
| /* |
| * EMAC interrupts are multiplexed with GPIO interrupts |
| * Details are available at the DM365 ARM |
| * Subsystem Users Guide(sprufg5.pdf) pages 133 - 134 |
| */ |
| davinci_cfg_reg(DM365_INT_EMAC_RXTHRESH); |
| davinci_cfg_reg(DM365_INT_EMAC_RXPULSE); |
| davinci_cfg_reg(DM365_INT_EMAC_TXPULSE); |
| davinci_cfg_reg(DM365_INT_EMAC_MISCPULSE); |
| } |
| |
| static void dm365evm_mmc_configure(void) |
| { |
| /* |
| * MMC/SD pins are multiplexed with GPIO and EMIF |
| * Further details are available at the DM365 ARM |
| * Subsystem Users Guide(sprufg5.pdf) pages 118, 128 - 131 |
| */ |
| davinci_cfg_reg(DM365_SD1_CLK); |
| davinci_cfg_reg(DM365_SD1_CMD); |
| davinci_cfg_reg(DM365_SD1_DATA3); |
| davinci_cfg_reg(DM365_SD1_DATA2); |
| davinci_cfg_reg(DM365_SD1_DATA1); |
| davinci_cfg_reg(DM365_SD1_DATA0); |
| } |
| |
| 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, |
| .i2c_adapter_id = 1, |
| .card_name = "DM365 EVM", |
| .ccdc = "ISIF", |
| }; |
| |
| /* venc standards timings */ |
| static struct vpbe_enc_mode_info dm365evm_enc_std_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, |
| }, |
| }; |
| |
| /* venc dv timings */ |
| static struct vpbe_enc_mode_info dm365evm_enc_preset_timing[] = { |
| { |
| .name = "480p59_94", |
| .timings_type = VPBE_ENC_DV_TIMINGS, |
| .dv_timings = V4L2_DV_BT_CEA_720X480P59_94, |
| .interlaced = 0, |
| .xres = 720, |
| .yres = 480, |
| .aspect = {1, 1}, |
| .fps = {5994, 100}, |
| .left_margin = 0x8F, |
| .upper_margin = 0x2D, |
| }, |
| { |
| .name = "576p50", |
| .timings_type = VPBE_ENC_DV_TIMINGS, |
| .dv_timings = V4L2_DV_BT_CEA_720X576P50, |
| .interlaced = 0, |
| .xres = 720, |
| .yres = 576, |
| .aspect = {1, 1}, |
| .fps = {50, 1}, |
| .left_margin = 0x8C, |
| .upper_margin = 0x36, |
| }, |
| { |
| .name = "720p60", |
| .timings_type = VPBE_ENC_DV_TIMINGS, |
| .dv_timings = V4L2_DV_BT_CEA_1280X720P60, |
| .interlaced = 0, |
| .xres = 1280, |
| .yres = 720, |
| .aspect = {1, 1}, |
| .fps = {60, 1}, |
| .left_margin = 0x117, |
| .right_margin = 70, |
| .upper_margin = 38, |
| .lower_margin = 3, |
| .hsync_len = 80, |
| .vsync_len = 5, |
| }, |
| { |
| .name = "1080i60", |
| .timings_type = VPBE_ENC_DV_TIMINGS, |
| .dv_timings = V4L2_DV_BT_CEA_1920X1080I60, |
| .interlaced = 1, |
| .xres = 1920, |
| .yres = 1080, |
| .aspect = {1, 1}, |
| .fps = {30, 1}, |
| .left_margin = 0xc9, |
| .right_margin = 80, |
| .upper_margin = 30, |
| .lower_margin = 3, |
| .hsync_len = 88, |
| .vsync_len = 5, |
| }, |
| }; |
| |
| #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 dm365evm_vpbe_outputs[] = { |
| { |
| .output = { |
| .index = 0, |
| .name = "Composite", |
| .type = V4L2_OUTPUT_TYPE_ANALOG, |
| .std = VENC_STD_ALL, |
| .capabilities = V4L2_OUT_CAP_STD, |
| }, |
| .subdev_name = DM365_VPBE_VENC_SUBDEV_NAME, |
| .default_mode = "ntsc", |
| .num_modes = ARRAY_SIZE(dm365evm_enc_std_timing), |
| .modes = dm365evm_enc_std_timing, |
| .if_params = V4L2_MBUS_FMT_FIXED, |
| }, |
| { |
| .output = { |
| .index = 1, |
| .name = "Component", |
| .type = V4L2_OUTPUT_TYPE_ANALOG, |
| .capabilities = V4L2_OUT_CAP_DV_TIMINGS, |
| }, |
| .subdev_name = DM365_VPBE_VENC_SUBDEV_NAME, |
| .default_mode = "480p59_94", |
| .num_modes = ARRAY_SIZE(dm365evm_enc_preset_timing), |
| .modes = dm365evm_enc_preset_timing, |
| .if_params = V4L2_MBUS_FMT_FIXED, |
| }, |
| }; |
| |
| /* |
| * Amplifiers on the board |
| */ |
| static struct ths7303_platform_data ths7303_pdata = { |
| .ch_1 = 3, |
| .ch_2 = 3, |
| .ch_3 = 3, |
| }; |
| |
| static struct amp_config_info vpbe_amp = { |
| .module_name = "ths7303", |
| .is_i2c = 1, |
| .board_info = { |
| I2C_BOARD_INFO("ths7303", 0x2c), |
| .platform_data = &ths7303_pdata, |
| } |
| }; |
| |
| static struct vpbe_config dm365evm_display_cfg = { |
| .module_name = "dm365-vpbe-display", |
| .i2c_adapter_id = 1, |
| .amp = &vpbe_amp, |
| .osd = { |
| .module_name = DM365_VPBE_OSD_SUBDEV_NAME, |
| }, |
| .venc = { |
| .module_name = DM365_VPBE_VENC_SUBDEV_NAME, |
| }, |
| .num_outputs = ARRAY_SIZE(dm365evm_vpbe_outputs), |
| .outputs = dm365evm_vpbe_outputs, |
| }; |
| |
| static void __init evm_init_i2c(void) |
| { |
| davinci_init_i2c(&i2c_pdata); |
| i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info)); |
| } |
| |
| static struct platform_device *dm365_evm_nand_devices[] __initdata = { |
| &davinci_nand_device, |
| }; |
| |
| static inline int have_leds(void) |
| { |
| #ifdef CONFIG_LEDS_CLASS |
| return 1; |
| #else |
| return 0; |
| #endif |
| } |
| |
| struct cpld_led { |
| struct led_classdev cdev; |
| u8 mask; |
| }; |
| |
| static const struct { |
| const char *name; |
| const char *trigger; |
| } cpld_leds[] = { |
| { "dm365evm::ds2", }, |
| { "dm365evm::ds3", }, |
| { "dm365evm::ds4", }, |
| { "dm365evm::ds5", }, |
| { "dm365evm::ds6", "nand-disk", }, |
| { "dm365evm::ds7", "mmc1", }, |
| { "dm365evm::ds8", "mmc0", }, |
| { "dm365evm::ds9", "heartbeat", }, |
| }; |
| |
| static void cpld_led_set(struct led_classdev *cdev, enum led_brightness b) |
| { |
| struct cpld_led *led = container_of(cdev, struct cpld_led, cdev); |
| u8 reg = __raw_readb(cpld + CPLD_LEDS); |
| |
| if (b != LED_OFF) |
| reg &= ~led->mask; |
| else |
| reg |= led->mask; |
| __raw_writeb(reg, cpld + CPLD_LEDS); |
| } |
| |
| static enum led_brightness cpld_led_get(struct led_classdev *cdev) |
| { |
| struct cpld_led *led = container_of(cdev, struct cpld_led, cdev); |
| u8 reg = __raw_readb(cpld + CPLD_LEDS); |
| |
| return (reg & led->mask) ? LED_OFF : LED_FULL; |
| } |
| |
| static int __init cpld_leds_init(void) |
| { |
| int i; |
| |
| if (!have_leds() || !cpld) |
| return 0; |
| |
| /* setup LEDs */ |
| __raw_writeb(0xff, cpld + CPLD_LEDS); |
| for (i = 0; i < ARRAY_SIZE(cpld_leds); i++) { |
| struct cpld_led *led; |
| |
| led = kzalloc(sizeof(*led), GFP_KERNEL); |
| if (!led) |
| break; |
| |
| led->cdev.name = cpld_leds[i].name; |
| led->cdev.brightness_set = cpld_led_set; |
| led->cdev.brightness_get = cpld_led_get; |
| led->cdev.default_trigger = cpld_leds[i].trigger; |
| led->mask = BIT(i); |
| |
| if (led_classdev_register(NULL, &led->cdev) < 0) { |
| kfree(led); |
| break; |
| } |
| } |
| |
| return 0; |
| } |
| /* run after subsys_initcall() for LEDs */ |
| fs_initcall(cpld_leds_init); |
| |
| |
| static void __init evm_init_cpld(void) |
| { |
| u8 mux, resets; |
| const char *label; |
| struct clk *aemif_clk; |
| |
| /* Make sure we can configure the CPLD through CS1. Then |
| * leave it on for later access to MMC and LED registers. |
| */ |
| aemif_clk = clk_get(NULL, "aemif"); |
| if (IS_ERR(aemif_clk)) |
| return; |
| clk_prepare_enable(aemif_clk); |
| |
| if (request_mem_region(DM365_ASYNC_EMIF_DATA_CE1_BASE, SECTION_SIZE, |
| "cpld") == NULL) |
| goto fail; |
| cpld = ioremap(DM365_ASYNC_EMIF_DATA_CE1_BASE, SECTION_SIZE); |
| if (!cpld) { |
| release_mem_region(DM365_ASYNC_EMIF_DATA_CE1_BASE, |
| SECTION_SIZE); |
| fail: |
| pr_err("ERROR: can't map CPLD\n"); |
| clk_disable_unprepare(aemif_clk); |
| return; |
| } |
| |
| /* External muxing for some signals */ |
| mux = 0; |
| |
| /* Read SW5 to set up NAND + keypad _or_ OneNAND (sync read). |
| * NOTE: SW4 bus width setting must match! |
| */ |
| if ((__raw_readb(cpld + CPLD_SWITCH) & BIT(5)) == 0) { |
| /* external keypad mux */ |
| mux |= BIT(7); |
| |
| platform_add_devices(dm365_evm_nand_devices, |
| ARRAY_SIZE(dm365_evm_nand_devices)); |
| } else { |
| /* no OneNAND support yet */ |
| } |
| |
| /* Leave external chips in reset when unused. */ |
| resets = BIT(3) | BIT(2) | BIT(1) | BIT(0); |
| |
| /* Static video input config with SN74CBT16214 1-of-3 mux: |
| * - port b1 == tvp7002 (mux lowbits == 1 or 6) |
| * - port b2 == imager (mux lowbits == 2 or 7) |
| * - port b3 == tvp5146 (mux lowbits == 5) |
| * |
| * Runtime switching could work too, with limitations. |
| */ |
| if (have_imager()) { |
| label = "HD imager"; |
| mux |= 2; |
| |
| /* externally mux MMC1/ENET/AIC33 to imager */ |
| mux |= BIT(6) | BIT(5) | BIT(3); |
| } else { |
| struct davinci_soc_info *soc_info = &davinci_soc_info; |
| |
| /* we can use MMC1 ... */ |
| dm365evm_mmc_configure(); |
| davinci_setup_mmc(1, &dm365evm_mmc_config); |
| |
| /* ... and ENET ... */ |
| dm365evm_emac_configure(); |
| soc_info->emac_pdata->phy_id = DM365_EVM_PHY_ID; |
| resets &= ~BIT(3); |
| |
| /* ... and AIC33 */ |
| resets &= ~BIT(1); |
| |
| if (have_tvp7002()) { |
| mux |= 1; |
| resets &= ~BIT(2); |
| label = "tvp7002 HD"; |
| } else { |
| /* default to tvp5146 */ |
| mux |= 5; |
| resets &= ~BIT(0); |
| label = "tvp5146 SD"; |
| } |
| } |
| __raw_writeb(mux, cpld + CPLD_MUX); |
| __raw_writeb(resets, cpld + CPLD_RESETS); |
| pr_info("EVM: %s video input\n", label); |
| |
| /* REVISIT export switches: NTSC/PAL (SW5.6), EXTRA1 (SW5.2), etc */ |
| } |
| |
| static void __init dm365_evm_map_io(void) |
| { |
| dm365_init(); |
| } |
| |
| static struct spi_eeprom at25640 = { |
| .byte_len = SZ_64K / 8, |
| .name = "at25640", |
| .page_size = 32, |
| .flags = EE_ADDR2, |
| }; |
| |
| static struct spi_board_info dm365_evm_spi_info[] __initconst = { |
| { |
| .modalias = "at25", |
| .platform_data = &at25640, |
| .max_speed_hz = 10 * 1000 * 1000, |
| .bus_num = 0, |
| .chip_select = 0, |
| .mode = SPI_MODE_0, |
| }, |
| }; |
| |
| static __init void dm365_evm_init(void) |
| { |
| evm_init_i2c(); |
| davinci_serial_init(dm365_serial_device); |
| |
| dm365evm_emac_configure(); |
| dm365evm_mmc_configure(); |
| |
| davinci_setup_mmc(0, &dm365evm_mmc_config); |
| |
| dm365_init_video(&vpfe_cfg, &dm365evm_display_cfg); |
| |
| /* maybe setup mmc1/etc ... _after_ mmc0 */ |
| evm_init_cpld(); |
| |
| #ifdef CONFIG_SND_DM365_AIC3X_CODEC |
| dm365_init_asp(&dm365_evm_snd_data); |
| #elif defined(CONFIG_SND_DM365_VOICE_CODEC) |
| dm365_init_vc(&dm365_evm_snd_data); |
| #endif |
| dm365_init_rtc(); |
| dm365_init_ks(&dm365evm_ks_data); |
| |
| dm365_init_spi0(BIT(0), dm365_evm_spi_info, |
| ARRAY_SIZE(dm365_evm_spi_info)); |
| } |
| |
| MACHINE_START(DAVINCI_DM365_EVM, "DaVinci DM365 EVM") |
| .atag_offset = 0x100, |
| .map_io = dm365_evm_map_io, |
| .init_irq = davinci_irq_init, |
| .init_time = davinci_timer_init, |
| .init_machine = dm365_evm_init, |
| .init_late = davinci_init_late, |
| .dma_zone_size = SZ_128M, |
| .restart = davinci_restart, |
| MACHINE_END |
| |