/* * Copyright (C) 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved. */ /* * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License * Version 2 or later at the following locations: * * http://www.opensource.org/licenses/gpl-license.html * http://www.gnu.org/copyleft/gpl.html */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(CONFIG_MTD) || defined(CONFIG_MTD_MODULE) #include #include #include #include #endif #include #include #include #include #include #include #include #include #include #include #include #include "devices.h" #include "iomux.h" #include "mx51_pins.h" #include "crm_regs.h" #include "usb.h" /*! * @file mach-mx51/mx51_3stack.c * * @brief This file contains the board specific initialization routines. * * @ingroup MSL_MX51 */ #define DEBUG_BOARD_BASE_ADDRESS(n) (n) /* LAN9217 ethernet base address */ #define LAN9217_BASE_ADDR(n) (DEBUG_BOARD_BASE_ADDRESS(n)) #define BOARD_IO_ADDR(n) (DEBUG_BOARD_BASE_ADDRESS(n) + 0x20000) /* LED switchs */ #define LED_SWITCH_REG 0x00 /* buttons */ #define SWITCH_BUTTONS_REG 0x08 /* status, interrupt */ #define INTR_STATUS_REG 0x10 #define INTR_MASK_REG 0x38 #define INTR_RESET_REG 0x20 /* magic word for debug CPLD */ #define MAGIC_NUMBER1_REG 0x40 #define MAGIC_NUMBER2_REG 0x48 /* CPLD code version */ #define CPLD_CODE_VER_REG 0x50 /* magic word for debug CPLD */ #define MAGIC_NUMBER3_REG 0x58 /* module reset register*/ #define MODULE_RESET_REG 0x60 /* CPU ID and Personality ID */ #define MCU_BOARD_ID_REG 0x68 /* interrupts like external uart , external ethernet etc*/ #define EXPIO_PARENT_INT IOMUX_TO_IRQ(MX51_PIN_GPIO1_6) #define EXPIO_INT_ENET (MXC_BOARD_IRQ_START + 0) #define EXPIO_INT_XUART_A (MXC_BOARD_IRQ_START + 1) #define EXPIO_INT_XUART_B (MXC_BOARD_IRQ_START + 2) #define EXPIO_INT_BUTTON_A (MXC_BOARD_IRQ_START + 3) #define EXPIO_INT_BUTTON_B (MXC_BOARD_IRQ_START + 4) /*! This is System IRQ used by LAN9217 */ #define LAN9217_IRQ EXPIO_INT_ENET extern int __init mx51_3stack_init_mc13892(void); extern void __init mx51_3stack_io_init(void); extern struct cpu_wp *(*get_cpu_wp)(int *wp); extern void (*set_num_cpu_wp)(int num); static int num_cpu_wp = 3; static bool debug_board_present; /* working point(wp): 0 - 800MHz; 1 - 166.25MHz; */ static struct cpu_wp cpu_wp_auto[] = { { .pll_rate = 1000000000, .cpu_rate = 1000000000, .pdf = 0, .mfi = 10, .mfd = 11, .mfn = 5, .cpu_podf = 0, .cpu_voltage = 1175000,}, { .pll_rate = 800000000, .cpu_rate = 800000000, .pdf = 0, .mfi = 8, .mfd = 2, .mfn = 1, .cpu_podf = 0, .cpu_voltage = 1100000,}, { .pll_rate = 800000000, .cpu_rate = 166250000, .pdf = 4, .mfi = 8, .mfd = 2, .mfn = 1, .cpu_podf = 4, .cpu_voltage = 850000,}, }; struct cpu_wp *mx51_3stack_get_cpu_wp(int *wp) { *wp = num_cpu_wp; return cpu_wp_auto; } void mx51_3stack_set_num_cpu_wp(int num) { num_cpu_wp = num; return; } static struct mxc_w1_config mxc_w1_data = { .search_rom_accelerator = 1, }; static u16 keymapping[24] = { KEY_1, KEY_2, KEY_3, KEY_F1, KEY_UP, KEY_F2, KEY_4, KEY_5, KEY_6, KEY_LEFT, KEY_SELECT, KEY_RIGHT, KEY_7, KEY_8, KEY_9, KEY_F3, KEY_DOWN, KEY_F4, KEY_0, KEY_OK, KEY_ESC, KEY_ENTER, KEY_MENU, KEY_BACK, }; static struct keypad_data keypad_plat_data = { .rowmax = 4, .colmax = 6, .irq = MXC_INT_KPP, .learning = 0, .delay = 2, .matrix = keymapping, }; static struct platform_pwm_backlight_data mxc_pwm_backlight_data = { .pwm_id = 0, .max_brightness = 255, .dft_brightness = 128, .pwm_period_ns = 78770, }; extern void mx5_ipu_reset(void); static struct mxc_ipu_config mxc_ipu_data = { .rev = 2, .reset = mx5_ipu_reset, }; extern void mx5_vpu_reset(void); static struct mxc_vpu_platform_data mxc_vpu_data = { .reset = mx5_vpu_reset, }; /* workaround for ecspi chipselect pin may not keep correct level when idle */ static void mx51_3ds_gpio_spi_chipselect_active(int cspi_mode, int status, int chipselect) { u32 gpio; switch (cspi_mode) { case 1: switch (chipselect) { case 0x1: mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT0); mxc_iomux_set_pad(MX51_PIN_CSPI1_SS0, PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST); break; case 0x2: gpio = IOMUX_TO_GPIO(MX51_PIN_CSPI1_SS0); mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_GPIO); gpio_request(gpio, "cspi1_ss0"); gpio_direction_output(gpio, 0); gpio_set_value(gpio, 1 & (~status)); break; default: break; } break; case 2: break; case 3: break; default: break; } } static void mx51_3ds_gpio_spi_chipselect_inactive(int cspi_mode, int status, int chipselect) { switch (cspi_mode) { case 1: switch (chipselect) { case 0x1: mxc_free_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_GPIO); mxc_free_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_GPIO); break; case 0x2: mxc_free_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_GPIO); break; default: break; } break; case 2: break; case 3: break; default: break; } } static struct mxc_spi_master mxcspi1_data = { .maxchipselect = 4, .spi_version = 23, .chipselect_active = mx51_3ds_gpio_spi_chipselect_active, .chipselect_inactive = mx51_3ds_gpio_spi_chipselect_inactive, }; static struct mxc_i2c_platform_data mxci2c_data = { .i2c_clk = 100000, }; static struct mxc_i2c_platform_data mxci2c_hs_data = { .i2c_clk = 400000, }; static struct mxc_srtc_platform_data srtc_data = { .srtc_sec_mode_addr = 0x83F98840, }; static struct tve_platform_data tve_data = { .dac_reg = "VVIDEO", .dig_reg = "VDIG", }; static struct mxc_dvfs_platform_data dvfs_core_data = { .reg_id = "SW1", .clk1_id = "cpu_clk", .clk2_id = "gpc_dvfs_clk", .gpc_cntr_reg_addr = MXC_GPC_CNTR, .gpc_vcr_reg_addr = MXC_GPC_VCR, .ccm_cdcr_reg_addr = MXC_CCM_CDCR, .ccm_cacrr_reg_addr = MXC_CCM_CACRR, .ccm_cdhipr_reg_addr = MXC_CCM_CDHIPR, .prediv_mask = 0x1F800, .prediv_offset = 11, .prediv_val = 3, .div3ck_mask = 0xE0000000, .div3ck_offset = 29, .div3ck_val = 2, .emac_val = 0x08, .upthr_val = 25, .dnthr_val = 9, .pncthr_val = 33, .upcnt_val = 10, .dncnt_val = 10, .delay_time = 30, .num_wp = 3, }; static struct mxc_dvfsper_data dvfs_per_data = { .reg_id = "SW2", .clk_id = "gpc_dvfs_clk", .gpc_cntr_reg_addr = MXC_GPC_CNTR, .gpc_vcr_reg_addr = MXC_GPC_VCR, .gpc_adu = 0x0, .vai_mask = MXC_DVFSPMCR0_FSVAI_MASK, .vai_offset = MXC_DVFSPMCR0_FSVAI_OFFSET, .dvfs_enable_bit = MXC_DVFSPMCR0_DVFEN, .irq_mask = MXC_DVFSPMCR0_FSVAIM, .div3_offset = 0, .div3_mask = 0x7, .div3_div = 2, .lp_high = 1200000, .lp_low = 1200000, }; static struct mxc_spdif_platform_data mxc_spdif_data = { .spdif_tx = 1, .spdif_rx = 0, .spdif_clk_44100 = 0, /* spdif_ext_clk source for 44.1KHz */ .spdif_clk_48000 = 7, /* audio osc source */ .spdif_clkid = 0, .spdif_clk = NULL, /* spdif bus clk */ }; /* NAND Flash Partitions */ #ifdef CONFIG_MTD_PARTITIONS static struct mtd_partition nand_flash_partitions[] = { { .name = "bootloader", .offset = 0, .size = 3 * 1024 * 1024}, { .name = "nand.kernel", .offset = MTDPART_OFS_APPEND, .size = 5 * 1024 * 1024}, { .name = "nand.rootfs", .offset = MTDPART_OFS_APPEND, .size = 256 * 1024 * 1024}, { .name = "nand.userfs1", .offset = MTDPART_OFS_APPEND, .size = 256 * 1024 * 1024}, { .name = "nand.userfs2", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL}, }; #endif extern void gpio_nand_active(void); extern void gpio_nand_inactive(void); static int nand_init(void) { /* Configure the pins */ gpio_nand_active(); return 0; } static void nand_exit(void) { /* Free the pins */ gpio_nand_inactive(); } static struct flash_platform_data mxc_nand_data = { #ifdef CONFIG_MTD_PARTITIONS .parts = nand_flash_partitions, .nr_parts = ARRAY_SIZE(nand_flash_partitions), #endif .width = 1, .init = nand_init, .exit = nand_exit, }; /* i.MX MTD NAND Flash Controller */ #if defined(CONFIG_MTD_NAND_IMX_NFC) || defined(CONFIG_MTD_NAND_IMX_NFC_MODULE) /* * Platform-specific information about this device. Some of the details depend * on the SoC. See imx_init_nfc() below for code that fills in the rest. */ static struct imx_nfc_platform_data imx_nfc_platform_data = { .nfc_major_version = 3, .nfc_minor_version = 2, .force_ce = false, .target_cycle_in_ns = 30, .clock_name = "nfc_clk", .set_page_size = 0, .interleave = false, #ifdef CONFIG_MTD_PARTITIONS .partitions = nand_flash_partitions, .partition_count = ARRAY_SIZE(nand_flash_partitions), #endif }; #endif /* i.MX MTD NAND Flash Controller */ static struct mxc_fb_platform_data fb_data[] = { { .interface_pix_fmt = IPU_PIX_FMT_RGB666, }, { .interface_pix_fmt = IPU_PIX_FMT_YUV444, }, }; static void lcd_reset_to2(void) { gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_DI1_D1_CS), 0); ipu_reset_disp_panel(); return; } static void lcd_reset(void) { gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_DISPB2_SER_RS), 0); gpio_request(IOMUX_TO_GPIO(MX51_PIN_DISPB2_SER_RS), "ser_rs"); gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_DISPB2_SER_RS), 0); /* do reset */ msleep(10); /* tRES >= 100us */ gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_DISPB2_SER_RS), 1); msleep(60); } static struct mxc_lcd_platform_data lcd_data = { .core_reg = "VIOHI", .io_reg = "SW4", .reset = lcd_reset, }; static struct platform_device mxc_lcd_device = { .name = "lcd_spi", }; static void wvga_reset(void) { gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_DI1_D1_CS), 1); } static struct mxc_lcd_platform_data lcd_wvga_data = { .reset = wvga_reset, }; static struct platform_device lcd_wvga_device = { .name = "lcd_claa", }; static struct platform_device mxcbl_device = { .name = "mxc_mc13892_bl", }; static void si4702_reset(void) { gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_DTACK), 0); msleep(100); gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_DTACK), 1); msleep(100); } static void si4702_clock_ctl(int flag) { } static void si4702_gpio_get(void) { /* reset pin */ gpio_request(IOMUX_TO_GPIO(MX51_PIN_EIM_DTACK), "eim_dtack"); gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_DTACK), 0); } static void si4702_gpio_put(void) { } static struct mxc_fm_platform_data si4702_data = { .reg_vio = "SW4", .reg_vdd = "VIOHI", .gpio_get = si4702_gpio_get, .gpio_put = si4702_gpio_put, .reset = si4702_reset, .clock_ctl = si4702_clock_ctl, .sksnr = 0, .skcnt = 0, .band = 0, .space = 100, .seekth = 0xa, }; static struct i2c_board_info mxc_i2c1_board_info[] __initdata = { { .type = "wm8903-i2c", .addr = 0x1a, }, { .type = "sgtl5000-i2c", .addr = 0x0a, }, { .type = "tsc2007", .addr = 0x48, .irq = IOMUX_TO_IRQ(MX51_PIN_GPIO1_5), }, { .type = "si4702", .addr = 0x10, .platform_data = (void *)&si4702_data, }, }; static struct mxc_camera_platform_data camera_data = { .io_regulator = "SW4", .analog_regulator = "VIOHI", .mclk = 24000000, .csi = 0, }; static struct mxc_lightsensor_platform_data ls_data = { .vdd_reg = NULL, .rext = 100, }; static struct i2c_board_info mxc_i2c_hs_board_info[] __initdata = { { .type = "ov3640", .addr = 0x3C, .platform_data = (void *)&camera_data, }, { .type = "isl29003", .addr = 0x44, .platform_data = &ls_data, }, }; static struct resource smsc911x_resources[] = { { .start = CS5_BASE_ADDR, .end = CS5_BASE_ADDR + SZ_4K - 1, .flags = IORESOURCE_MEM, }, { .start = LAN9217_IRQ, .end = LAN9217_IRQ, .flags = IORESOURCE_IRQ, }, }; struct smsc911x_platform_config smsc911x_config = { .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, .flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY, }; static struct platform_device smsc_lan9217_device = { .name = "smsc911x", .id = 0, .num_resources = ARRAY_SIZE(smsc911x_resources), .resource = smsc911x_resources, }; static struct mxc_sim_platform_data sim_data = { .clk_rate = 4000000, .clock_sim = "sim_clk", .power_sim = NULL, .init = NULL, .exit = NULL, .detect = 0, }; /*! * Get WP pin value to detect write protection */ static int sdhc_write_protect(struct device *dev) { unsigned short rc = 0; if (to_platform_device(dev)->id == 0) rc = gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_1)); else rc = 0; return rc; } static unsigned int sdhc_get_card_det_status(struct device *dev) { int ret; if (to_platform_device(dev)->id == 0) { ret = gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_0)); return ret; } else { /* config the det pin for SDHC2 */ return 0; } } static struct mxc_mmc_platform_data mmc1_data = { .ocr_mask = MMC_VDD_32_33, .caps = MMC_CAP_4_BIT_DATA, .min_clk = 150000, .max_clk = 52000000, .card_inserted_state = 0, .status = sdhc_get_card_det_status, .wp_status = sdhc_write_protect, .clock_mmc = "esdhc_clk", .power_mmc = NULL, }; static struct mxc_mmc_platform_data mmc2_data = { .ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29 | MMC_VDD_29_30 | MMC_VDD_31_32, .caps = MMC_CAP_4_BIT_DATA, .min_clk = 150000, .max_clk = 50000000, .card_inserted_state = 0, .status = sdhc_get_card_det_status, .wp_status = sdhc_write_protect, .clock_mmc = "esdhc_clk", }; static u32 brd_io; static void expio_ack_irq(u32 irq); static void mxc_expio_irq_handler(u32 irq, struct irq_desc *desc) { u32 imr_val; u32 int_valid; u32 expio_irq; desc->chip->mask(irq); /* irq = gpio irq number */ imr_val = __raw_readw(brd_io + INTR_MASK_REG); int_valid = __raw_readw(brd_io + INTR_STATUS_REG) & ~imr_val; if (unlikely(!int_valid)) goto out; expio_irq = MXC_BOARD_IRQ_START; for (; int_valid != 0; int_valid >>= 1, expio_irq++) { struct irq_desc *d; if ((int_valid & 1) == 0) continue; d = irq_desc + expio_irq; if (unlikely(!(d->handle_irq))) { printk(KERN_ERR "\nEXPIO irq: %d unhandled\n", expio_irq); BUG(); /* oops */ } d->handle_irq(expio_irq, d); } out: desc->chip->ack(irq); desc->chip->unmask(irq); } /* * Disable an expio pin's interrupt by setting the bit in the imr. * @param irq an expio virtual irq number */ static void expio_mask_irq(u32 irq) { u16 reg; u32 expio = MXC_IRQ_TO_EXPIO(irq); /* mask the interrupt */ reg = __raw_readw(brd_io + INTR_MASK_REG); reg |= (1 << expio); __raw_writew(reg, brd_io + INTR_MASK_REG); } /* * Acknowledge an expanded io pin's interrupt by clearing the bit in the isr. * @param irq an expanded io virtual irq number */ static void expio_ack_irq(u32 irq) { u32 expio = MXC_IRQ_TO_EXPIO(irq); /* clear the interrupt status */ __raw_writew(1 << expio, brd_io + INTR_RESET_REG); __raw_writew(0, brd_io + INTR_RESET_REG); /* mask the interrupt */ expio_mask_irq(irq); } /* * Enable a expio pin's interrupt by clearing the bit in the imr. * @param irq a expio virtual irq number */ static void expio_unmask_irq(u32 irq) { u16 reg; u32 expio = MXC_IRQ_TO_EXPIO(irq); /* unmask the interrupt */ reg = __raw_readw(brd_io + INTR_MASK_REG); reg &= ~(1 << expio); __raw_writew(reg, brd_io + INTR_MASK_REG); } static struct irq_chip expio_irq_chip = { .ack = expio_ack_irq, .mask = expio_mask_irq, .unmask = expio_unmask_irq, }; static int __init mxc_expio_init(void) { int i; brd_io = (u32) ioremap(BOARD_IO_ADDR(CS5_BASE_ADDR), SZ_4K); if (brd_io == 0) return -ENOMEM; if ((__raw_readw(brd_io + MAGIC_NUMBER1_REG) != 0xAAAA) || (__raw_readw(brd_io + MAGIC_NUMBER2_REG) != 0x5555) || (__raw_readw(brd_io + MAGIC_NUMBER3_REG) != 0xCAFE)) { pr_info("3-Stack Debug board not detected \n"); return -ENODEV; } else { debug_board_present = true; } pr_info("3-Stack Debug board detected, rev = 0x%04X\n", readw(brd_io + CPLD_CODE_VER_REG)); /* * Configure INT line as GPIO input */ gpio_request(IOMUX_TO_GPIO(MX51_PIN_GPIO1_6), "gpio1_6"); gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_6)); /* disable the interrupt and clear the status */ __raw_writew(0, brd_io + INTR_MASK_REG); __raw_writew(0xFFFF, brd_io + INTR_RESET_REG); __raw_writew(0, brd_io + INTR_RESET_REG); __raw_writew(0x1F, brd_io + INTR_MASK_REG); for (i = MXC_BOARD_IRQ_START; i < (MXC_BOARD_IRQ_START + MXC_BOARD_IRQS); i++) { set_irq_chip(i, &expio_irq_chip); set_irq_handler(i, handle_level_irq); set_irq_flags(i, IRQF_VALID); } set_irq_type(EXPIO_PARENT_INT, IRQF_TRIGGER_LOW); set_irq_chained_handler(EXPIO_PARENT_INT, mxc_expio_irq_handler); return 0; } extern void gpio_ata_active(void); extern void gpio_ata_inactive(void); static int ata_init(struct platform_device *pdev) { /* Configure the pins */ gpio_ata_active(); return 0; } static void ata_exit(void) { /* Free the pins */ gpio_ata_inactive(); } static struct fsl_ata_platform_data ata_data = { .udma_mask = ATA_UDMA3, .mwdma_mask = ATA_MWDMA2, .pio_mask = ATA_PIO4, .fifo_alarm = MXC_IDE_DMA_WATERMARK / 2, .max_sg = MXC_IDE_DMA_BD_NR, .init = ata_init, .exit = ata_exit, .core_reg = NULL, .io_reg = NULL, }; static struct platform_device mxc_wm8903_device = { .name = "imx-3stack-wm8903", .id = 0, }; static struct mxc_audio_platform_data wm8903_data; static void __init mxc_init_wm8903(void) { wm8903_data.ssi_clk[0] = clk_get(NULL, "ssi_clk.0"); clk_put(wm8903_data.ssi_clk[0]); wm8903_data.ssi_clk[1] = clk_get(NULL, "ssi_clk.1"); clk_put(wm8903_data.ssi_clk[1]); wm8903_data.ssi_num = 1; wm8903_data.src_port = 2; wm8903_data.ext_port = 3; (void)platform_device_register(&mxc_wm8903_device); } static struct platform_device mxc_sgtl5000_device = { .name = "imx-3stack-sgtl5000", }; int headphone_det_status(void) { return gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_EIM_A26)); } static struct mxc_audio_platform_data sgtl5000_data; static int mxc_sgtl5000_plat_init(void) { struct regulator *reg; reg = regulator_get(&mxc_sgtl5000_device.dev, "GPO2"); if (IS_ERR(reg)) return -EINVAL; sgtl5000_data.priv = reg; return 0; } static int mxc_sgtl5000_plat_finit(void) { struct regulator *reg; reg = sgtl5000_data.priv; if (reg) { regulator_put(reg); sgtl5000_data.priv = NULL; } return 0; } static int mxc_sgtl5000_amp_enable(int enable) { struct regulator *reg; reg = sgtl5000_data.priv; if (!reg) return -EINVAL; if (enable) regulator_enable(reg); else regulator_disable(reg); return 0; } static struct mxc_audio_platform_data sgtl5000_data = { .ssi_num = 1, .src_port = 2, .ext_port = 3, .hp_irq = IOMUX_TO_IRQ(MX51_PIN_EIM_A26), .hp_status = headphone_det_status, .amp_enable = mxc_sgtl5000_amp_enable, .sysclk = 12000000, .init = mxc_sgtl5000_plat_init, .finit = mxc_sgtl5000_plat_finit, }; static void bt_reset(void) { gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_D19), 1); } static struct mxc_bt_platform_data mxc_bt_data = { .bt_vdd = NULL, .bt_vdd_parent = NULL, .bt_vusb = "SW4", .bt_vusb_parent = NULL, .bt_reset = bt_reset, }; static struct platform_device mxc_bt_device = { .name = "mxc_bt", .id = 0, }; static void mxc_unifi_hardreset(int pin_level) { gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_D19), pin_level & 0x01); } static struct mxc_unifi_platform_data unifi_data = { .hardreset = mxc_unifi_hardreset, .reg_vdd_vpa = "VSD", .reg_1v5_dd = "VGEN1", .host_id = 1, }; struct mxc_unifi_platform_data *get_unifi_plat_data(void) { return &unifi_data; } EXPORT_SYMBOL(get_unifi_plat_data); /*! * Board specific fixup function. It is called by \b setup_arch() in * setup.c file very early on during kernel starts. It allows the user to * statically fill in the proper values for the passed-in parameters. None of * the parameters is used currently. * * @param desc pointer to \b struct \b machine_desc * @param tags pointer to \b struct \b tag * @param cmdline pointer to the command line * @param mi pointer to \b struct \b meminfo */ static void __init fixup_mxc_board(struct machine_desc *desc, struct tag *tags, char **cmdline, struct meminfo *mi) { mxc_set_cpu_type(MXC_CPU_MX51); get_cpu_wp = mx51_3stack_get_cpu_wp; set_num_cpu_wp = mx51_3stack_set_num_cpu_wp; } static struct mxc_gps_platform_data gps_data = { .core_reg = "VIOHI", .analog_reg = "SW4", }; static struct platform_device mxc_gps_device = { .name = "gps_ioctrl", .id = -1, }; int gpio_gps_access(int para) { iomux_pin_name_t pin; pin = (para & 0x1) ? MX51_PIN_EIM_CS2 : MX51_PIN_EIM_CRE; if (para & 0x4) /* Read GPIO */ return gpio_get_value(IOMUX_TO_GPIO(pin)); else if (para & 0x2) /* Write GPIO */ gpio_set_value(IOMUX_TO_GPIO(pin), 1); else gpio_set_value(IOMUX_TO_GPIO(pin), 0); return 0; } EXPORT_SYMBOL(gpio_gps_access); /*! * Board specific initialization. */ static void __init mxc_board_init(void) { int err; mxc_ipu_data.di_clk[0] = clk_get(NULL, "ipu_di0_clk"); mxc_ipu_data.di_clk[1] = clk_get(NULL, "ipu_di1_clk"); mxc_spdif_data.spdif_core_clk = clk_get(NULL, "spdif_xtal_clk"); clk_put(mxc_spdif_data.spdif_core_clk); mxc_cpu_common_init(); mxc_register_gpios(); mx51_3stack_io_init(); mxc_register_device(&mxc_dma_device, NULL); mxc_register_device(&mxc_wdt_device, NULL); mxc_register_device(&mxcspi1_device, &mxcspi1_data); mxc_register_device(&mxci2c_devices[0], &mxci2c_data); mxc_register_device(&mxci2c_devices[1], &mxci2c_data); mxc_register_device(&mxci2c_hs_device, &mxci2c_hs_data); mxc_register_device(&mxc_rtc_device, &srtc_data); mxc_register_device(&mxc_w1_master_device, &mxc_w1_data); mxc_register_device(&mxc_ipu_device, &mxc_ipu_data); mxc_register_device(&mxc_tve_device, &tve_data); mxc_register_device(&mxcvpu_device, &mxc_vpu_data); mxc_register_device(&gpu_device, NULL); mxc_register_device(&mxcscc_device, NULL); mxc_register_device(&mx51_lpmode_device, NULL); mxc_register_device(&busfreq_device, NULL); mxc_register_device(&sdram_autogating_device, NULL); mxc_register_device(&mxc_dvfs_core_device, &dvfs_core_data); mxc_register_device(&mxc_dvfs_per_device, &dvfs_per_data); mxc_register_device(&mxc_iim_device, NULL); mxc_register_device(&mxc_pwm1_device, NULL); mxc_register_device(&mxc_pwm_backlight_device, &mxc_pwm_backlight_data); mxc_register_device(&mxc_keypad_device, &keypad_plat_data); mxcsdhc1_device.resource[2].start = IOMUX_TO_IRQ(MX51_PIN_GPIO1_0); mxcsdhc1_device.resource[2].end = IOMUX_TO_IRQ(MX51_PIN_GPIO1_0); mxc_register_device(&mxcsdhc1_device, &mmc1_data); mxc_register_device(&mxcsdhc2_device, &mmc2_data); mxc_register_device(&mxc_sim_device, &sim_data); mxc_register_device(&pata_fsl_device, &ata_data); mxc_register_device(&mxc_alsa_spdif_device, &mxc_spdif_data); mxc_expio_init(); if (debug_board_present) mxc_register_device(&smsc_lan9217_device, &smsc911x_config); if (cpu_is_mx51_rev(CHIP_REV_2_0) > 0) lcd_data.reset = lcd_reset_to2; mxc_register_device(&mxc_lcd_device, &lcd_data); mxc_register_device(&lcd_wvga_device, &lcd_wvga_data); mxc_register_device(&mxc_fb_devices[0], &fb_data[0]); mxc_register_device(&mxc_fb_devices[1], &fb_data[1]); mxc_register_device(&mxc_fb_devices[2], NULL); mxc_register_device(&mxcbl_device, NULL); #if defined(CONFIG_MTD_NAND_IMX_NFC) || defined(CONFIG_MTD_NAND_IMX_NFC_MODULE) mxc_register_device(&imx_nfc_device, &imx_nfc_platform_data); #else mxc_register_device(&mxc_nandv2_mtd_device, &mxc_nand_data); #endif mx51_3stack_init_mc13892(); i2c_register_board_info(1, mxc_i2c1_board_info, ARRAY_SIZE(mxc_i2c1_board_info)); i2c_register_board_info(3, mxc_i2c_hs_board_info, ARRAY_SIZE(mxc_i2c_hs_board_info)); mxc_init_wm8903(); mxc_register_device(&mxc_sgtl5000_device, &sgtl5000_data); mxc_register_device(&mxc_bt_device, &mxc_bt_data); mxc_register_device(&mxc_gps_device, &gps_data); mxc_register_device(&mxc_v4l2_device, NULL); mxc_register_device(&mxc_v4l2out_device, NULL); mx5_usb_dr_init(); mx5_usbh1_init(); /* Setup Touchscreen interrupt */ gpio_request(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), "gpio1_5"); gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5)); err = mxc_request_iomux(MX51_PIN_EIM_D19, IOMUX_CONFIG_GPIO); if (err) printk(KERN_ERR "Error: bt reset request gpio failed!\n"); else { gpio_request(IOMUX_TO_GPIO(MX51_PIN_EIM_D19), "eim_d19"); gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_D19), 0); } } static void __init mx51_3stack_timer_init(void) { struct clk *uart_clk; /* Change the CPU voltages for TO2*/ if (cpu_is_mx51_rev(CHIP_REV_2_0) <= 1) { cpu_wp_auto[0].cpu_voltage = 1175000; cpu_wp_auto[1].cpu_voltage = 1100000; cpu_wp_auto[2].cpu_voltage = 1000000; } mx51_clocks_init(32768, 24000000, 22579200, 24576000); uart_clk = clk_get(NULL, "uart_clk.0"); early_console_setup(UART1_BASE_ADDR, uart_clk); } static struct sys_timer mxc_timer = { .init = mx51_3stack_timer_init, }; /* * The following uses standard kernel macros define in arch.h in order to * initialize __mach_desc_MX51_3STACK data structure. */ /* *INDENT-OFF* */ MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board") /* Maintainer: Freescale Semiconductor, Inc. */ .phys_io = AIPS1_BASE_ADDR, .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, .fixup = fixup_mxc_board, .map_io = mx5_map_io, .init_irq = mx5_init_irq, .init_machine = mxc_board_init, .timer = &mxc_timer, MACHINE_END