| /* |
| * 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 |
| |