diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-davinci/board-dm365-evm.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-davinci/board-dm365-evm.c | 624 |
1 files changed, 0 insertions, 624 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-davinci/board-dm365-evm.c b/ANDROID_3.4.5/arch/arm/mach-davinci/board-dm365-evm.c deleted file mode 100644 index 5bce2b83..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-davinci/board-dm365-evm.c +++ /dev/null @@ -1,624 +0,0 @@ -/* - * 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 <asm/mach-types.h> -#include <asm/mach/arch.h> - -#include <mach/mux.h> -#include <mach/common.h> -#include <mach/i2c.h> -#include <mach/serial.h> -#include <mach/mmc.h> -#include <mach/nand.h> -#include <mach/keyscan.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 = { - .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, - .version = MMC_CTLR_VERSION_2, -}; - -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", -}; - -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_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(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 struct davinci_uart_config uart_config __initdata = { - .enabled_uarts = (1 << 0), -}; - -static void __init dm365_evm_map_io(void) -{ - /* setup input configuration for VPFE input devices */ - dm365_set_vpfe_config(&vpfe_cfg); - 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(&uart_config); - - dm365evm_emac_configure(); - dm365evm_mmc_configure(); - - davinci_setup_mmc(0, &dm365evm_mmc_config); - - /* 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, - .timer = &davinci_timer, - .init_machine = dm365_evm_init, - .dma_zone_size = SZ_128M, - .restart = davinci_restart, -MACHINE_END - |