/* * linux/arch/arm/mach-omap2/board-omap3beagle.c * * Copyright (C) 2008 Texas Instruments * * Modified from mach-omap2/board-3430sdp.c * * Initial code: Syed Mohammed Khasim * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "mux.h" #include "hsmmc.h" #include "timer-gp.h" #include "pm.h" #define NAND_BLOCK_SIZE SZ_128K /* * OMAP3 Beagle revision * Run time detection of Beagle revision is done by reading GPIO. * GPIO ID - * AXBX = GPIO173, GPIO172, GPIO171: 1 1 1 * C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0 * C4 = GPIO173, GPIO172, GPIO171: 1 0 1 * XMA = GPIO173, GPIO172, GPIO171: 0 0 0 * XMB = GPIO173, GPIO172, GPIO171: 0 0 1 * XMC = GPIO173, GPIO172, GPIO171: 0 1 0 */ enum { OMAP3BEAGLE_BOARD_UNKN = 0, OMAP3BEAGLE_BOARD_AXBX, OMAP3BEAGLE_BOARD_C1_3, OMAP3BEAGLE_BOARD_C4, OMAP3BEAGLE_BOARD_XM, OMAP3BEAGLE_BOARD_XMC, }; static u8 omap3_beagle_version; static u8 omap3_beagle_get_rev(void) { return omap3_beagle_version; } static void __init omap3_beagle_init_rev(void) { int ret; u16 beagle_rev = 0; omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP); omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP); omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP); ret = gpio_request(171, "rev_id_0"); if (ret < 0) goto fail0; ret = gpio_request(172, "rev_id_1"); if (ret < 0) goto fail1; ret = gpio_request(173, "rev_id_2"); if (ret < 0) goto fail2; gpio_direction_input(171); gpio_direction_input(172); gpio_direction_input(173); beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1) | (gpio_get_value(173) << 2); switch (beagle_rev) { case 7: printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n"); omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX; break; case 6: printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n"); omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3; break; case 5: printk(KERN_INFO "OMAP3 Beagle Rev: C4\n"); omap3_beagle_version = OMAP3BEAGLE_BOARD_C4; break; case 0: printk(KERN_INFO "OMAP3 Beagle Rev: xM A\n"); omap3_beagle_version = OMAP3BEAGLE_BOARD_XM; break; case 1: printk(KERN_INFO "OMAP3 Beagle Rev: xM B\n"); omap3_beagle_version = OMAP3BEAGLE_BOARD_XM; break; case 2: printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n"); omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC; break; default: printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd, " "assuming xM C or newer\n", beagle_rev); omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC; } return; fail2: gpio_free(172); fail1: gpio_free(171); fail0: printk(KERN_ERR "Unable to get revision detection GPIO pins\n"); omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN; return; } static struct mtd_partition omap3beagle_nand_partitions[] = { /* All the partition sizes are listed in terms of NAND block size */ { .name = "X-Loader", .offset = 0, .size = 4 * NAND_BLOCK_SIZE, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "U-Boot", .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ .size = 15 * NAND_BLOCK_SIZE, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "U-Boot Env", .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ .size = 1 * NAND_BLOCK_SIZE, }, { .name = "Kernel", .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ .size = 32 * NAND_BLOCK_SIZE, }, { .name = "File System", .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ .size = MTDPART_SIZ_FULL, }, }; static struct omap_nand_platform_data omap3beagle_nand_data = { .options = NAND_BUSWIDTH_16, .parts = omap3beagle_nand_partitions, .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions), .dma_channel = -1, /* disable DMA in OMAP NAND driver */ .nand_setup = NULL, .dev_ready = NULL, }; /* DSS */ static int beagle_enable_dvi(struct omap_dss_device *dssdev) { if (gpio_is_valid(dssdev->reset_gpio)) gpio_set_value(dssdev->reset_gpio, 1); return 0; } static void beagle_disable_dvi(struct omap_dss_device *dssdev) { if (gpio_is_valid(dssdev->reset_gpio)) gpio_set_value(dssdev->reset_gpio, 0); } static struct panel_generic_dpi_data dvi_panel = { .name = "generic", .platform_enable = beagle_enable_dvi, .platform_disable = beagle_disable_dvi, .i2c_bus_num = 3, }; static struct omap_dss_device beagle_dvi_device = { .type = OMAP_DISPLAY_TYPE_DPI, .name = "dvi", .driver_name = "generic_dpi_panel", .data = &dvi_panel, .phy.dpi.data_lines = 24, .reset_gpio = -EINVAL, }; static struct omap_dss_device beagle_tv_device = { .name = "tv", .driver_name = "venc", .type = OMAP_DISPLAY_TYPE_VENC, .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, }; static struct omap_dss_device *beagle_dss_devices[] = { &beagle_dvi_device, &beagle_tv_device, }; static struct omap_dss_board_info beagle_dss_data = { .num_devices = ARRAY_SIZE(beagle_dss_devices), .devices = beagle_dss_devices, .default_device = &beagle_dvi_device, }; static struct regulator_consumer_supply beagle_vdac_supply = REGULATOR_SUPPLY("vdda_dac", "omapdss_venc"); static struct regulator_consumer_supply beagle_vdvi_supplies[] = { REGULATOR_SUPPLY("vdds_dsi", "omapdss"), REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"), }; static void __init beagle_display_init(void) { int r; /* DVI reset GPIO is different between beagle revisions */ if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) || (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC)) beagle_dvi_device.reset_gpio = 129; else beagle_dvi_device.reset_gpio = 170; r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset"); if (r < 0) { printk(KERN_ERR "Unable to get DVI reset GPIO\n"); return; } gpio_direction_output(beagle_dvi_device.reset_gpio, 0); } #include "sdram-micron-mt46h32m32lf-6.h" static struct omap2_hsmmc_info mmc[] = { { .mmc = 1, .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, .gpio_wp = 29, }, {} /* Terminator */ }; static struct regulator_consumer_supply beagle_vmmc1_supply = { .supply = "vmmc", }; static struct regulator_consumer_supply beagle_vsim_supply = { .supply = "vmmc_aux", }; static struct gpio_led gpio_leds[]; static int beagle_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { int r; if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) || (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC)) { mmc[0].gpio_wp = -EINVAL; } else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) || (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) { omap_mux_init_gpio(23, OMAP_PIN_INPUT); mmc[0].gpio_wp = 23; } else { omap_mux_init_gpio(29, OMAP_PIN_INPUT); } /* gpio + 0 is "mmc0_cd" (input/IRQ) */ mmc[0].gpio_cd = gpio + 0; omap2_hsmmc_init(mmc); /* link regulators to MMC adapters */ beagle_vmmc1_supply.dev = mmc[0].dev; beagle_vsim_supply.dev = mmc[0].dev; /* REVISIT: need ehci-omap hooks for external VBUS * power switch and overcurrent detect */ if ((omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM) && (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XMC)) { r = gpio_request(gpio + 1, "EHCI_nOC"); if (!r) { r = gpio_direction_input(gpio + 1); if (r) gpio_free(gpio + 1); } if (r) pr_err("%s: unable to configure EHCI_nOC\n", __func__); } /* * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active * high / others active low) */ gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR"); if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1); else gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0); /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; /* * gpio + 1 on Xm controls the TFP410's enable line (active low) * gpio + 2 control varies depending on the board rev as follows: * P7/P8 revisions(prototype): Camera EN * A2+ revisions (production): LDO (supplies DVI, serial, led blocks) */ if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) || (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC)) { r = gpio_request(gpio + 1, "nDVI_PWR_EN"); if (!r) { r = gpio_direction_output(gpio + 1, 0); if (r) gpio_free(gpio + 1); } if (r) pr_err("%s: unable to configure nDVI_PWR_EN\n", __func__); r = gpio_request(gpio + 2, "DVI_LDO_EN"); if (!r) { r = gpio_direction_output(gpio + 2, 1); if (r) gpio_free(gpio + 2); } if (r) pr_err("%s: unable to configure DVI_LDO_EN\n", __func__); } return 0; } static struct twl4030_gpio_platform_data beagle_gpio_data = { .gpio_base = OMAP_MAX_GPIO_LINES, .irq_base = TWL4030_GPIO_IRQ_BASE, .irq_end = TWL4030_GPIO_IRQ_END, .use_leds = true, .pullups = BIT(1), .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13) | BIT(15) | BIT(16) | BIT(17), .setup = beagle_twl_gpio_setup, }; /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ static struct regulator_init_data beagle_vmmc1 = { .constraints = { .min_uV = 1850000, .max_uV = 3150000, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = 1, .consumer_supplies = &beagle_vmmc1_supply, }; /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ static struct regulator_init_data beagle_vsim = { .constraints = { .min_uV = 1800000, .max_uV = 3000000, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = 1, .consumer_supplies = &beagle_vsim_supply, }; /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */ static struct regulator_init_data beagle_vdac = { .constraints = { .min_uV = 1800000, .max_uV = 1800000, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = 1, .consumer_supplies = &beagle_vdac_supply, }; /* VPLL2 for digital video outputs */ static struct regulator_init_data beagle_vpll2 = { .constraints = { .name = "VDVI", .min_uV = 1800000, .max_uV = 1800000, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(beagle_vdvi_supplies), .consumer_supplies = beagle_vdvi_supplies, }; static struct twl4030_usb_data beagle_usb_data = { .usb_mode = T2_USB_MODE_ULPI, }; static struct twl4030_codec_audio_data beagle_audio_data; static struct twl4030_codec_data beagle_codec_data = { .audio_mclk = 26000000, .audio = &beagle_audio_data, }; static struct twl4030_platform_data beagle_twldata = { .irq_base = TWL4030_IRQ_BASE, .irq_end = TWL4030_IRQ_END, /* platform_data for children goes here */ .usb = &beagle_usb_data, .gpio = &beagle_gpio_data, .codec = &beagle_codec_data, .vmmc1 = &beagle_vmmc1, .vsim = &beagle_vsim, .vdac = &beagle_vdac, .vpll2 = &beagle_vpll2, }; static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = { { I2C_BOARD_INFO("twl4030", 0x48), .flags = I2C_CLIENT_WAKE, .irq = INT_34XX_SYS_NIRQ, .platform_data = &beagle_twldata, }, }; static struct i2c_board_info __initdata beagle_i2c_eeprom[] = { { I2C_BOARD_INFO("eeprom", 0x50), }, }; static int __init omap3_beagle_i2c_init(void) { omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo, ARRAY_SIZE(beagle_i2c_boardinfo)); /* Bus 3 is attached to the DVI port where devices like the pico DLP * projector don't work reliably with 400kHz */ omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom)); return 0; } static struct gpio_led gpio_leds[] = { { .name = "beagleboard::usr0", .default_trigger = "heartbeat", .gpio = 150, }, { .name = "beagleboard::usr1", .default_trigger = "mmc0", .gpio = 149, }, { .name = "beagleboard::pmu_stat", .gpio = -EINVAL, /* gets replaced */ .active_low = true, }, }; static struct gpio_led_platform_data gpio_led_info = { .leds = gpio_leds, .num_leds = ARRAY_SIZE(gpio_leds), }; static struct platform_device leds_gpio = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &gpio_led_info, }, }; static struct gpio_keys_button gpio_buttons[] = { { .code = BTN_EXTRA, .gpio = 7, .desc = "user", .wakeup = 1, }, }; static struct gpio_keys_platform_data gpio_key_info = { .buttons = gpio_buttons, .nbuttons = ARRAY_SIZE(gpio_buttons), }; static struct platform_device keys_gpio = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &gpio_key_info, }, }; static void __init omap3_beagle_init_early(void) { omap2_init_common_infrastructure(); omap2_init_common_devices(mt46h32m32lf6_sdrc_params, mt46h32m32lf6_sdrc_params); } static void __init omap3_beagle_init_irq(void) { omap_init_irq(); #ifdef CONFIG_OMAP_32K_TIMER omap2_gp_clockevent_set_gptimer(12); #endif } static struct platform_device *omap3_beagle_devices[] __initdata = { &leds_gpio, &keys_gpio, }; static void __init omap3beagle_flash_init(void) { u8 cs = 0; u8 nandcs = GPMC_CS_NUM + 1; /* find out the chip-select on which NAND exists */ while (cs < GPMC_CS_NUM) { u32 ret = 0; ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); if ((ret & 0xC00) == 0x800) { printk(KERN_INFO "Found NAND on CS%d\n", cs); if (nandcs > GPMC_CS_NUM) nandcs = cs; } cs++; } if (nandcs > GPMC_CS_NUM) { printk(KERN_INFO "NAND: Unable to find configuration " "in GPMC\n "); return; } if (nandcs < GPMC_CS_NUM) { omap3beagle_nand_data.cs = nandcs; printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); if (gpmc_nand_init(&omap3beagle_nand_data) < 0) printk(KERN_ERR "Unable to register NAND device\n"); } } static const struct usbhs_omap_board_data usbhs_bdata __initconst = { .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = -EINVAL, .reset_gpio_port[1] = 147, .reset_gpio_port[2] = -EINVAL }; #ifdef CONFIG_OMAP_MUX static struct omap_board_mux board_mux[] __initdata = { { .reg_offset = OMAP_MUX_TERMINATOR }, }; #endif static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_ULPI, .mode = MUSB_OTG, .power = 100, }; static void __init beagle_opp_init(void) { int r = 0; /* Initialize the omap3 opp table */ if (omap3_opp_init()) { pr_err("%s: opp default init failed\n", __func__); return; } /* Custom OPP enabled for XM */ if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) { struct omap_hwmod *mh = omap_hwmod_lookup("mpu"); struct omap_hwmod *dh = omap_hwmod_lookup("iva"); struct device *dev; if (!mh || !dh) { pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n", __func__, mh, dh); return; } /* Enable MPU 1GHz and lower opps */ dev = &mh->od->pdev.dev; r = opp_enable(dev, 800000000); /* TODO: MPU 1GHz needs SR and ABB */ /* Enable IVA 800MHz and lower opps */ dev = &dh->od->pdev.dev; r |= opp_enable(dev, 660000000); /* TODO: DSP 800MHz needs SR and ABB */ if (r) { pr_err("%s: failed to enable higher opp %d\n", __func__, r); /* * Cleanup - disable the higher freqs - we dont care * about the results */ dev = &mh->od->pdev.dev; opp_disable(dev, 800000000); dev = &dh->od->pdev.dev; opp_disable(dev, 660000000); } } return; } static void __init omap3_beagle_init(void) { omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); omap3_beagle_init_rev(); omap3_beagle_i2c_init(); platform_add_devices(omap3_beagle_devices, ARRAY_SIZE(omap3_beagle_devices)); omap_display_init(&beagle_dss_data); omap_serial_init(); usb_musb_init(&musb_board_data); usbhs_init(&usbhs_bdata); omap3beagle_flash_init(); /* Ensure SDRC pins are mux'd for self-refresh */ omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); beagle_display_init(); beagle_opp_init(); } static const char *omap3_beagle_dt_match[] __initdata = { "ti,omap3-beagle", NULL }; MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board") /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */ .boot_params = 0x80000100, .reserve = omap_reserve, .map_io = omap3_map_io, .init_early = omap3_beagle_init_early, .init_irq = omap3_beagle_init_irq, .init_machine = omap3_beagle_init, .timer = &omap_timer, .dt_compat = omap3_beagle_dt_match, MACHINE_END