| /* |
| * linux/arch/arm/mach-omap2/board-omap3logic.c |
| * |
| * Copyright (C) 2010 Li-Pro.Net |
| * Stephan Linz <linz@li-pro.net> |
| * |
| * Copyright (C) 2010 Logic Product Development, Inc. |
| * Peter Barada <peter.barada@logicpd.com> |
| * |
| * Modified from Beagle, EVM, and RX51 |
| * |
| * 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 <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/delay.h> |
| #include <linux/err.h> |
| #include <linux/clk.h> |
| #include <linux/io.h> |
| #include <linux/gpio.h> |
| |
| #include <linux/regulator/machine.h> |
| |
| #include <linux/i2c/twl.h> |
| #include <linux/mmc/host.h> |
| |
| #include <mach/hardware.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| |
| #include "mux.h" |
| #include "hsmmc.h" |
| #include "control.h" |
| #include "common-board-devices.h" |
| |
| #include <plat/mux.h> |
| #include <plat/board.h> |
| #include "common.h" |
| #include <plat/gpmc-smsc911x.h> |
| #include <plat/gpmc.h> |
| #include <plat/sdrc.h> |
| |
| #define OMAP3LOGIC_SMSC911X_CS 1 |
| |
| #define OMAP3530_LV_SOM_MMC_GPIO_CD 110 |
| #define OMAP3530_LV_SOM_MMC_GPIO_WP 126 |
| #define OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ 152 |
| |
| #define OMAP3_TORPEDO_MMC_GPIO_CD 127 |
| #define OMAP3_TORPEDO_SMSC911X_GPIO_IRQ 129 |
| |
| static struct regulator_consumer_supply omap3logic_vmmc1_supply[] = { |
| REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), |
| }; |
| |
| /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ |
| static struct regulator_init_data omap3logic_vmmc1 = { |
| .constraints = { |
| .name = "VMMC1", |
| .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 = ARRAY_SIZE(omap3logic_vmmc1_supply), |
| .consumer_supplies = omap3logic_vmmc1_supply, |
| }; |
| |
| static struct twl4030_gpio_platform_data omap3logic_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), |
| }; |
| |
| static struct twl4030_platform_data omap3logic_twldata = { |
| .irq_base = TWL4030_IRQ_BASE, |
| .irq_end = TWL4030_IRQ_END, |
| |
| /* platform_data for children goes here */ |
| .gpio = &omap3logic_gpio_data, |
| .vmmc1 = &omap3logic_vmmc1, |
| }; |
| |
| static int __init omap3logic_i2c_init(void) |
| { |
| omap3_pmic_init("twl4030", &omap3logic_twldata); |
| return 0; |
| } |
| |
| static struct omap2_hsmmc_info __initdata board_mmc_info[] = { |
| { |
| .name = "external", |
| .mmc = 1, |
| .caps = MMC_CAP_4_BIT_DATA, |
| .gpio_cd = -EINVAL, |
| .gpio_wp = -EINVAL, |
| }, |
| {} /* Terminator */ |
| }; |
| |
| static void __init board_mmc_init(void) |
| { |
| if (machine_is_omap3530_lv_som()) { |
| /* OMAP3530 LV SOM board */ |
| board_mmc_info[0].gpio_cd = OMAP3530_LV_SOM_MMC_GPIO_CD; |
| board_mmc_info[0].gpio_wp = OMAP3530_LV_SOM_MMC_GPIO_WP; |
| omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT); |
| omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT); |
| } else if (machine_is_omap3_torpedo()) { |
| /* OMAP3 Torpedo board */ |
| board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD; |
| omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT); |
| } else { |
| /* unsupported board */ |
| printk(KERN_ERR "%s(): unknown machine type\n", __func__); |
| return; |
| } |
| |
| omap2_hsmmc_init(board_mmc_info); |
| } |
| |
| static struct omap_smsc911x_platform_data __initdata board_smsc911x_data = { |
| .cs = OMAP3LOGIC_SMSC911X_CS, |
| .gpio_irq = -EINVAL, |
| .gpio_reset = -EINVAL, |
| }; |
| |
| /* TODO/FIXME (comment by Peter Barada, LogicPD): |
| * Fix the PBIAS voltage for Torpedo MMC1 pins that |
| * are used for other needs (IRQs, etc). */ |
| static void omap3torpedo_fix_pbias_voltage(void) |
| { |
| u16 control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE; |
| u32 reg; |
| |
| if (machine_is_omap3_torpedo()) |
| { |
| /* Set the bias for the pin */ |
| reg = omap_ctrl_readl(control_pbias_offset); |
| |
| reg &= ~OMAP343X_PBIASLITEPWRDNZ1; |
| omap_ctrl_writel(reg, control_pbias_offset); |
| |
| /* 100ms delay required for PBIAS configuration */ |
| msleep(100); |
| |
| reg |= OMAP343X_PBIASLITEVMODE1; |
| reg |= OMAP343X_PBIASLITEPWRDNZ1; |
| omap_ctrl_writel(reg | 0x300, control_pbias_offset); |
| } |
| } |
| |
| static inline void __init board_smsc911x_init(void) |
| { |
| if (machine_is_omap3530_lv_som()) { |
| /* OMAP3530 LV SOM board */ |
| board_smsc911x_data.gpio_irq = |
| OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ; |
| omap_mux_init_signal("gpio_152", OMAP_PIN_INPUT); |
| } else if (machine_is_omap3_torpedo()) { |
| /* OMAP3 Torpedo board */ |
| board_smsc911x_data.gpio_irq = OMAP3_TORPEDO_SMSC911X_GPIO_IRQ; |
| omap_mux_init_signal("gpio_129", OMAP_PIN_INPUT); |
| } else { |
| /* unsupported board */ |
| printk(KERN_ERR "%s(): unknown machine type\n", __func__); |
| return; |
| } |
| |
| gpmc_smsc911x_init(&board_smsc911x_data); |
| } |
| |
| #ifdef CONFIG_OMAP_MUX |
| static struct omap_board_mux board_mux[] __initdata = { |
| { .reg_offset = OMAP_MUX_TERMINATOR }, |
| }; |
| #endif |
| |
| static void __init omap3logic_init(void) |
| { |
| omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
| omap3torpedo_fix_pbias_voltage(); |
| omap3logic_i2c_init(); |
| omap_serial_init(); |
| omap_sdrc_init(NULL, NULL); |
| board_mmc_init(); |
| board_smsc911x_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); |
| } |
| |
| MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board") |
| .atag_offset = 0x100, |
| .map_io = omap3_map_io, |
| .init_early = omap35xx_init_early, |
| .init_irq = omap3_init_irq, |
| .init_machine = omap3logic_init, |
| .timer = &omap3_timer, |
| MACHINE_END |
| |
| MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board") |
| .atag_offset = 0x100, |
| .map_io = omap3_map_io, |
| .init_early = omap35xx_init_early, |
| .init_irq = omap3_init_irq, |
| .init_machine = omap3logic_init, |
| .timer = &omap3_timer, |
| MACHINE_END |