diff options
Diffstat (limited to 'arch/arm/mach-davinci/board-dm644x-evm.c')
| -rw-r--r-- | arch/arm/mach-davinci/board-dm644x-evm.c | 873 |
1 files changed, 873 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c new file mode 100644 index 000000000..e4a8f9225 --- /dev/null +++ b/arch/arm/mach-davinci/board-dm644x-evm.c @@ -0,0 +1,873 @@ +/* + * TI DaVinci EVM board support + * + * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com> + * + * 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/dma-mapping.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/gpio/machine.h> +#include <linux/i2c.h> +#include <linux/platform_data/pcf857x.h> +#include <linux/platform_data/at24.h> +#include <linux/platform_data/gpio-davinci.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/rawnand.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/phy.h> +#include <linux/clk.h> +#include <linux/videodev2.h> +#include <linux/v4l2-dv-timings.h> +#include <linux/export.h> +#include <linux/leds.h> + +#include <media/i2c/tvp514x.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include <mach/common.h> +#include <linux/platform_data/i2c-davinci.h> +#include <mach/serial.h> +#include <mach/mux.h> +#include <linux/platform_data/mtd-davinci.h> +#include <linux/platform_data/mmc-davinci.h> +#include <linux/platform_data/usb-davinci.h> +#include <linux/platform_data/mtd-davinci-aemif.h> +#include <linux/platform_data/ti-aemif.h> + +#include "davinci.h" + +#define DM644X_EVM_PHY_ID "davinci_mdio-0:01" +#define LXT971_PHY_ID (0x001378e2) +#define LXT971_PHY_MASK (0xfffffff0) + +static struct mtd_partition davinci_evm_norflash_partitions[] = { + /* bootloader (UBL, U-Boot, etc) in first 5 sectors */ + { + .name = "bootloader", + .offset = 0, + .size = 5 * SZ_64K, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + /* bootloader params in the next 1 sectors */ + { + .name = "params", + .offset = MTDPART_OFS_APPEND, + .size = SZ_64K, + .mask_flags = 0, + }, + /* kernel */ + { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = SZ_2M, + .mask_flags = 0 + }, + /* file system */ + { + .name = "filesystem", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0 + } +}; + +static struct physmap_flash_data davinci_evm_norflash_data = { + .width = 2, + .parts = davinci_evm_norflash_partitions, + .nr_parts = ARRAY_SIZE(davinci_evm_norflash_partitions), +}; + +/* NOTE: CFI probe will correctly detect flash part as 32M, but EMIF + * limits addresses to 16M, so using addresses past 16M will wrap */ +static struct resource davinci_evm_norflash_resource = { + .start = DM644X_ASYNC_EMIF_DATA_CE0_BASE, + .end = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device davinci_evm_norflash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &davinci_evm_norflash_data, + }, + .num_resources = 1, + .resource = &davinci_evm_norflash_resource, +}; + +/* DM644x EVM includes a 64 MByte small-page NAND flash (16K blocks). + * It may used instead of the (default) NOR chip to boot, using TI's + * tools to install the secondary boot loader (UBL) and U-Boot. + */ +static struct mtd_partition davinci_evm_nandflash_partition[] = { + /* Bootloader layout depends on whose u-boot is installed, but we + * can hide all the details. + * - block 0 for u-boot environment ... in mainline u-boot + * - block 1 for UBL (plus up to four backup copies in blocks 2..5) + * - blocks 6...? for u-boot + * - blocks 16..23 for u-boot environment ... in TI's u-boot + */ + { + .name = "bootloader", + .offset = 0, + .size = SZ_256K + SZ_128K, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + /* Kernel */ + { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = SZ_4M, + .mask_flags = 0, + }, + /* File system (older GIT kernels started this on the 5MB mark) */ + { + .name = "filesystem", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0, + } + /* A few blocks at end hold a flash BBT ... created by TI's CCS + * using flashwriter_nand.out, but ignored by TI's versions of + * Linux and u-boot. We boot faster by using them. + */ +}; + +static struct davinci_aemif_timing davinci_evm_nandflash_timing = { + .wsetup = 20, + .wstrobe = 40, + .whold = 20, + .rsetup = 10, + .rstrobe = 40, + .rhold = 10, + .ta = 40, +}; + +static struct davinci_nand_pdata davinci_evm_nandflash_data = { + .core_chipsel = 0, + .parts = davinci_evm_nandflash_partition, + .nr_parts = ARRAY_SIZE(davinci_evm_nandflash_partition), + .ecc_mode = NAND_ECC_HW, + .ecc_bits = 1, + .bbt_options = NAND_BBT_USE_FLASH, + .timing = &davinci_evm_nandflash_timing, +}; + +static struct resource davinci_evm_nandflash_resource[] = { + { + .start = DM644X_ASYNC_EMIF_DATA_CE0_BASE, + .end = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1, + .flags = IORESOURCE_MEM, + }, { + .start = DM644X_ASYNC_EMIF_CONTROL_BASE, + .end = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource davinci_evm_aemif_resource[] = { + { + .start = DM644X_ASYNC_EMIF_CONTROL_BASE, + .end = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct aemif_abus_data davinci_evm_aemif_abus_data[] = { + { + .cs = 1, + }, +}; + +static struct platform_device davinci_evm_nandflash_devices[] = { + { + .name = "davinci_nand", + .id = 0, + .dev = { + .platform_data = &davinci_evm_nandflash_data, + }, + .num_resources = ARRAY_SIZE(davinci_evm_nandflash_resource), + .resource = davinci_evm_nandflash_resource, + }, +}; + +static struct aemif_platform_data davinci_evm_aemif_pdata = { + .abus_data = davinci_evm_aemif_abus_data, + .num_abus_data = ARRAY_SIZE(davinci_evm_aemif_abus_data), + .sub_devices = davinci_evm_nandflash_devices, + .num_sub_devices = ARRAY_SIZE(davinci_evm_nandflash_devices), +}; + +static struct platform_device davinci_evm_aemif_device = { + .name = "ti-aemif", + .id = -1, + .dev = { + .platform_data = &davinci_evm_aemif_pdata, + }, + .resource = davinci_evm_aemif_resource, + .num_resources = ARRAY_SIZE(davinci_evm_aemif_resource), +}; + +static u64 davinci_fb_dma_mask = DMA_BIT_MASK(32); + +static struct platform_device davinci_fb_device = { + .name = "davincifb", + .id = -1, + .dev = { + .dma_mask = &davinci_fb_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = 0, +}; + +static struct tvp514x_platform_data dm644xevm_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 dm644xevm_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 dm644xevm_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 dm644xevm_vpfe_sub_devs[] = { + { + .name = "tvp5146", + .grp_id = 0, + .num_inputs = ARRAY_SIZE(dm644xevm_tvp5146_inputs), + .inputs = dm644xevm_tvp5146_inputs, + .routes = dm644xevm_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 = &dm644xevm_tvp5146_pdata, + }, + }, +}; + +static struct vpfe_config dm644xevm_capture_cfg = { + .num_subdevs = ARRAY_SIZE(dm644xevm_vpfe_sub_devs), + .i2c_adapter_id = 1, + .sub_devs = dm644xevm_vpfe_sub_devs, + .card_name = "DM6446 EVM", + .ccdc = "DM6446 CCDC", +}; + +static struct platform_device rtc_dev = { + .name = "rtc_davinci_evm", + .id = -1, +}; + +/*----------------------------------------------------------------------*/ +#ifdef CONFIG_I2C +/* + * I2C GPIO expanders + */ + +#define PCF_Uxx_BASE(x) (DAVINCI_N_GPIO + ((x) * 8)) + + +/* U2 -- LEDs */ + +static struct gpio_led evm_leds[] = { + { .name = "DS8", .active_low = 1, + .default_trigger = "heartbeat", }, + { .name = "DS7", .active_low = 1, }, + { .name = "DS6", .active_low = 1, }, + { .name = "DS5", .active_low = 1, }, + { .name = "DS4", .active_low = 1, }, + { .name = "DS3", .active_low = 1, }, + { .name = "DS2", .active_low = 1, + .default_trigger = "mmc0", }, + { .name = "DS1", .active_low = 1, + .default_trigger = "disk-activity", }, +}; + +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 ngpio, void *c) +{ + struct gpio_led *leds = evm_leds; + int status; + + while (ngpio--) { + leds->gpio = gpio++; + leds++; + } + + /* what an extremely annoying way to be forced to handle + * device unregistration ... + */ + 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 struct pcf857x_platform_data pcf_data_u2 = { + .gpio_base = PCF_Uxx_BASE(0), + .setup = evm_led_setup, + .teardown = evm_led_teardown, +}; + + +/* U18 - A/V clock generator and user switch */ + +static int sw_gpio; + +static ssize_t +sw_show(struct device *d, struct device_attribute *a, char *buf) +{ + char *s = gpio_get_value_cansleep(sw_gpio) ? "on\n" : "off\n"; + + strcpy(buf, s); + return strlen(s); +} + +static DEVICE_ATTR(user_sw, S_IRUGO, sw_show, NULL); + +static int +evm_u18_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c) +{ + int status; + + /* export dip switch option */ + sw_gpio = gpio + 7; + status = gpio_request(sw_gpio, "user_sw"); + if (status == 0) + status = gpio_direction_input(sw_gpio); + if (status == 0) + status = device_create_file(&client->dev, &dev_attr_user_sw); + else + gpio_free(sw_gpio); + if (status != 0) + sw_gpio = -EINVAL; + + /* audio PLL: 48 kHz (vs 44.1 or 32), single rate (vs double) */ + gpio_request(gpio + 3, "pll_fs2"); + gpio_direction_output(gpio + 3, 0); + + gpio_request(gpio + 2, "pll_fs1"); + gpio_direction_output(gpio + 2, 0); + + gpio_request(gpio + 1, "pll_sr"); + gpio_direction_output(gpio + 1, 0); + + return 0; +} + +static int +evm_u18_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c) +{ + gpio_free(gpio + 1); + gpio_free(gpio + 2); + gpio_free(gpio + 3); + + if (sw_gpio > 0) { + device_remove_file(&client->dev, &dev_attr_user_sw); + gpio_free(sw_gpio); + } + return 0; +} + +static struct pcf857x_platform_data pcf_data_u18 = { + .gpio_base = PCF_Uxx_BASE(1), + .n_latch = (1 << 3) | (1 << 2) | (1 << 1), + .setup = evm_u18_setup, + .teardown = evm_u18_teardown, +}; + + +/* U35 - various I/O signals used to manage USB, CF, ATA, etc */ + +static int +evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c) +{ + /* p0 = nDRV_VBUS (initial: don't supply it) */ + gpio_request(gpio + 0, "nDRV_VBUS"); + gpio_direction_output(gpio + 0, 1); + + /* p1 = VDDIMX_EN */ + gpio_request(gpio + 1, "VDDIMX_EN"); + gpio_direction_output(gpio + 1, 1); + + /* p2 = VLYNQ_EN */ + gpio_request(gpio + 2, "VLYNQ_EN"); + gpio_direction_output(gpio + 2, 1); + + /* p3 = n3V3_CF_RESET (initial: stay in reset) */ + gpio_request(gpio + 3, "nCF_RESET"); + gpio_direction_output(gpio + 3, 0); + + /* (p4 unused) */ + + /* p5 = 1V8_WLAN_RESET (initial: stay in reset) */ + gpio_request(gpio + 5, "WLAN_RESET"); + gpio_direction_output(gpio + 5, 1); + + /* p6 = nATA_SEL (initial: select) */ + gpio_request(gpio + 6, "nATA_SEL"); + gpio_direction_output(gpio + 6, 0); + + /* p7 = nCF_SEL (initial: deselect) */ + gpio_request(gpio + 7, "nCF_SEL"); + gpio_direction_output(gpio + 7, 1); + + return 0; +} + +static int +evm_u35_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c) +{ + gpio_free(gpio + 7); + gpio_free(gpio + 6); + gpio_free(gpio + 5); + gpio_free(gpio + 3); + gpio_free(gpio + 2); + gpio_free(gpio + 1); + gpio_free(gpio + 0); + return 0; +} + +static struct pcf857x_platform_data pcf_data_u35 = { + .gpio_base = PCF_Uxx_BASE(2), + .setup = evm_u35_setup, + .teardown = evm_u35_teardown, +}; + +/*----------------------------------------------------------------------*/ + +/* Most of this EEPROM is unused, but U-Boot uses some data: + * - 0x7f00, 6 bytes Ethernet Address + * - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL) + * - ... 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, +}; + +/* + * MSP430 supports RTC, card detection, input from IR remote, and + * a bit more. It triggers interrupts on GPIO(7) from pressing + * buttons on the IR remote, and for card detect switches. + */ +static struct i2c_client *dm6446evm_msp; + +static int dm6446evm_msp_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + dm6446evm_msp = client; + return 0; +} + +static int dm6446evm_msp_remove(struct i2c_client *client) +{ + dm6446evm_msp = NULL; + return 0; +} + +static const struct i2c_device_id dm6446evm_msp_ids[] = { + { "dm6446evm_msp", 0, }, + { /* end of list */ }, +}; + +static struct i2c_driver dm6446evm_msp_driver = { + .driver.name = "dm6446evm_msp", + .id_table = dm6446evm_msp_ids, + .probe = dm6446evm_msp_probe, + .remove = dm6446evm_msp_remove, +}; + +static int dm6444evm_msp430_get_pins(void) +{ + static const char txbuf[2] = { 2, 4, }; + char buf[4]; + struct i2c_msg msg[2] = { + { + .flags = 0, + .len = 2, + .buf = (void __force *)txbuf, + }, + { + .flags = I2C_M_RD, + .len = 4, + .buf = buf, + }, + }; + int status; + + if (!dm6446evm_msp) + return -ENXIO; + + msg[0].addr = dm6446evm_msp->addr; + msg[1].addr = dm6446evm_msp->addr; + + /* Command 4 == get input state, returns port 2 and port3 data + * S Addr W [A] len=2 [A] cmd=4 [A] + * RS Addr R [A] [len=4] A [cmd=4] A [port2] A [port3] N P + */ + status = i2c_transfer(dm6446evm_msp->adapter, msg, 2); + if (status < 0) + return status; + + dev_dbg(&dm6446evm_msp->dev, "PINS: %4ph\n", buf); + + return (buf[3] << 8) | buf[2]; +} + +static int dm6444evm_mmc_get_cd(int module) +{ + int status = dm6444evm_msp430_get_pins(); + + return (status < 0) ? status : !(status & BIT(1)); +} + +static int dm6444evm_mmc_get_ro(int module) +{ + int status = dm6444evm_msp430_get_pins(); + + return (status < 0) ? status : status & BIT(6 + 8); +} + +static struct davinci_mmc_config dm6446evm_mmc_config = { + .get_cd = dm6444evm_mmc_get_cd, + .get_ro = dm6444evm_mmc_get_ro, + .wires = 4, +}; + +static struct i2c_board_info __initdata i2c_info[] = { + { + I2C_BOARD_INFO("dm6446evm_msp", 0x23), + }, + { + I2C_BOARD_INFO("pcf8574", 0x38), + .platform_data = &pcf_data_u2, + }, + { + I2C_BOARD_INFO("pcf8574", 0x39), + .platform_data = &pcf_data_u18, + }, + { + I2C_BOARD_INFO("pcf8574", 0x3a), + .platform_data = &pcf_data_u35, + }, + { + I2C_BOARD_INFO("24c256", 0x50), + .platform_data = &eeprom_info, + }, + { + I2C_BOARD_INFO("tlv320aic33", 0x1b), + }, +}; + +#define DM644X_I2C_SDA_PIN GPIO_TO_PIN(2, 12) +#define DM644X_I2C_SCL_PIN GPIO_TO_PIN(2, 11) + +static struct gpiod_lookup_table i2c_recovery_gpiod_table = { + .dev_id = "i2c_davinci.1", + .table = { + GPIO_LOOKUP("davinci_gpio.0", DM644X_I2C_SDA_PIN, "sda", + GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), + GPIO_LOOKUP("davinci_gpio.0", DM644X_I2C_SCL_PIN, "scl", + GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), + }, +}; + +/* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz), + * which requires 100 usec of idle bus after i2c writes sent to it. + */ +static struct davinci_i2c_platform_data i2c_pdata = { + .bus_freq = 20 /* kHz */, + .bus_delay = 100 /* usec */, + .gpio_recovery = true, +}; + +static void __init evm_init_i2c(void) +{ + gpiod_add_lookup_table(&i2c_recovery_gpiod_table); + davinci_init_i2c(&i2c_pdata); + i2c_add_driver(&dm6446evm_msp_driver); + i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info)); +} +#endif + +#define VENC_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) + +/* venc standard timings */ +static struct vpbe_enc_mode_info dm644xevm_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 preset timings */ +static struct vpbe_enc_mode_info dm644xevm_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 = 0x80, + .upper_margin = 0x20, + }, + { + .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 = 0x7e, + .upper_margin = 0x30, + }, +}; + +/* + * The outputs available from VPBE + encoders. Keep 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. Userspace applications use index of the array to + * set an output. + */ +static struct vpbe_output dm644xevm_vpbe_outputs[] = { + { + .output = { + .index = 0, + .name = "Composite", + .type = V4L2_OUTPUT_TYPE_ANALOG, + .std = VENC_STD_ALL, + .capabilities = V4L2_OUT_CAP_STD, + }, + .subdev_name = DM644X_VPBE_VENC_SUBDEV_NAME, + .default_mode = "ntsc", + .num_modes = ARRAY_SIZE(dm644xevm_enc_std_timing), + .modes = dm644xevm_enc_std_timing, + }, + { + .output = { + .index = 1, + .name = "Component", + .type = V4L2_OUTPUT_TYPE_ANALOG, + .capabilities = V4L2_OUT_CAP_DV_TIMINGS, + }, + .subdev_name = DM644X_VPBE_VENC_SUBDEV_NAME, + .default_mode = "480p59_94", + .num_modes = ARRAY_SIZE(dm644xevm_enc_preset_timing), + .modes = dm644xevm_enc_preset_timing, + }, +}; + +static struct vpbe_config dm644xevm_display_cfg = { + .module_name = "dm644x-vpbe-display", + .i2c_adapter_id = 1, + .osd = { + .module_name = DM644X_VPBE_OSD_SUBDEV_NAME, + }, + .venc = { + .module_name = DM644X_VPBE_VENC_SUBDEV_NAME, + }, + .num_outputs = ARRAY_SIZE(dm644xevm_vpbe_outputs), + .outputs = dm644xevm_vpbe_outputs, +}; + +static struct platform_device *davinci_evm_devices[] __initdata = { + &davinci_fb_device, + &rtc_dev, +}; + +static void __init +davinci_evm_map_io(void) +{ + dm644x_init(); +} + +static int davinci_phy_fixup(struct phy_device *phydev) +{ + unsigned int control; + /* CRITICAL: Fix for increasing PHY signal drive strength for + * TX lockup issue. On DaVinci EVM, the Intel LXT971 PHY + * signal strength was low causing TX to fail randomly. The + * fix is to Set bit 11 (Increased MII drive strength) of PHY + * register 26 (Digital Config register) on this phy. */ + control = phy_read(phydev, 26); + phy_write(phydev, 26, (control | 0x800)); + return 0; +} + +#define HAS_ATA (IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ + IS_ENABLED(CONFIG_PATA_BK3710)) + +#define HAS_NOR IS_ENABLED(CONFIG_MTD_PHYSMAP) + +#define HAS_NAND IS_ENABLED(CONFIG_MTD_NAND_DAVINCI) + +static __init void davinci_evm_init(void) +{ + int ret; + struct clk *aemif_clk; + struct davinci_soc_info *soc_info = &davinci_soc_info; + + dm644x_register_clocks(); + + dm644x_init_devices(); + + ret = dm644x_gpio_register(); + if (ret) + pr_warn("%s: GPIO init failed: %d\n", __func__, ret); + + aemif_clk = clk_get(NULL, "aemif"); + clk_prepare_enable(aemif_clk); + + if (HAS_ATA) { + if (HAS_NAND || HAS_NOR) + pr_warn("WARNING: both IDE and Flash are enabled, but they share AEMIF pins\n" + "\tDisable IDE for NAND/NOR support\n"); + davinci_init_ide(); + } else if (HAS_NAND || HAS_NOR) { + davinci_cfg_reg(DM644X_HPIEN_DISABLE); + davinci_cfg_reg(DM644X_ATAEN_DISABLE); + + /* only one device will be jumpered and detected */ + if (HAS_NAND) { + platform_device_register(&davinci_evm_aemif_device); +#ifdef CONFIG_I2C + evm_leds[7].default_trigger = "nand-disk"; +#endif + if (HAS_NOR) + pr_warn("WARNING: both NAND and NOR flash are enabled; disable one of them.\n"); + } else if (HAS_NOR) + platform_device_register(&davinci_evm_norflash_device); + } + + platform_add_devices(davinci_evm_devices, + ARRAY_SIZE(davinci_evm_devices)); +#ifdef CONFIG_I2C + evm_init_i2c(); + davinci_setup_mmc(0, &dm6446evm_mmc_config); +#endif + dm644x_init_video(&dm644xevm_capture_cfg, &dm644xevm_display_cfg); + + davinci_serial_init(dm644x_serial_device); + dm644x_init_asp(); + + /* irlml6401 switches over 1A, in under 8 msec */ + davinci_setup_usb(1000, 8); + + if (IS_BUILTIN(CONFIG_PHYLIB)) { + soc_info->emac_pdata->phy_id = DM644X_EVM_PHY_ID; + /* Register the fixup for PHY on DaVinci */ + phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK, + davinci_phy_fixup); + } +} + +MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM") + /* Maintainer: MontaVista Software <source@mvista.com> */ + .atag_offset = 0x100, + .map_io = davinci_evm_map_io, + .init_irq = davinci_irq_init, + .init_time = dm644x_init_time, + .init_machine = davinci_evm_init, + .init_late = davinci_init_late, + .dma_zone_size = SZ_128M, +MACHINE_END |