diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3logic.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3logic.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c new file mode 100644 index 000000000000..5f7d2c1e7ef5 --- /dev/null +++ b/arch/arm/mach-omap2/board-omap3logic.c @@ -0,0 +1,241 @@ +/* + * 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 "timer-gp.h" +#include "control.h" + +#include <plat/mux.h> +#include <plat/board.h> +#include <plat/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 = { + .supply = "vmmc", +}; + +/* 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 = 1, + .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 struct i2c_board_info __initdata omap3logic_i2c_boardinfo[] = { + { + I2C_BOARD_INFO("twl4030", 0x48), + .flags = I2C_CLIENT_WAKE, + .irq = INT_34XX_SYS_NIRQ, + .platform_data = &omap3logic_twldata, + }, +}; + +static int __init omap3logic_i2c_init(void) +{ + omap_register_i2c_bus(1, 2600, omap3logic_i2c_boardinfo, + ARRAY_SIZE(omap3logic_i2c_boardinfo)); + 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); + /* link regulators to MMC adapters */ + omap3logic_vmmc1_supply.dev = board_mmc_info[0].dev; +} + +static struct omap_smsc911x_platform_data __initdata board_smsc911x_data = { + .cs = OMAP3LOGIC_SMSC911X_CS, + .gpio_irq = -EINVAL, + .gpio_reset = -EINVAL, + .flags = IORESOURCE_IRQ_LOWLEVEL, +}; + +/* 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); +} + +static void __init omap3logic_init_irq(void) +{ + omap2_init_common_hw(NULL, NULL); + omap_init_irq(); + omap_gpio_init(); +} + +#ifdef CONFIG_OMAP_MUX +static struct omap_board_mux board_mux[] __initdata = { + { .reg_offset = OMAP_MUX_TERMINATOR }, +}; +#else +#define board_mux NULL +#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(); + 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") + .boot_params = 0x80000100, + .map_io = omap3_map_io, + .init_irq = omap3logic_init_irq, + .init_machine = omap3logic_init, + .timer = &omap_timer, +MACHINE_END + +MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board") + .boot_params = 0x80000100, + .map_io = omap3_map_io, + .init_irq = omap3logic_init_irq, + .init_machine = omap3logic_init, + .timer = &omap_timer, +MACHINE_END |