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kernel-fxtec-pro1x/arch/arm/mach-tegra/board-seaboard.c
Peter De Schrijver c37c07ddf2 arm/tegra: prepare early init for multiple tegra variants 
This patch splits the early init code in a common and a tegra20 specific part.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2011-12-17 20:15:13 -08:00

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7.6 KiB
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/*
* Copyright (c) 2010, 2011 NVIDIA Corporation.
* Copyright (C) 2010, 2011 Google, Inc.
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; 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/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <sound/wm8903.h>
#include <mach/iomap.h>
#include <mach/irqs.h>
#include <mach/sdhci.h>
#include <mach/tegra_wm8903_pdata.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>
#include "board.h"
#include "board-seaboard.h"
#include "clock.h"
#include "devices.h"
#include "gpio-names.h"
static struct plat_serial8250_port debug_uart_platform_data[] = {
{
/* Memory and IRQ filled in before registration */
.flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE,
.type = PORT_TEGRA,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = 216000000,
}, {
.flags = 0,
}
};
static struct platform_device debug_uart = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = debug_uart_platform_data,
},
};
static __initdata struct tegra_clk_init_table seaboard_clk_init_table[] = {
/* name parent rate enabled */
{ "uartb", "pll_p", 216000000, true},
{ "uartd", "pll_p", 216000000, true},
{ "pll_a", "pll_p_out1", 56448000, true },
{ "pll_a_out0", "pll_a", 11289600, true },
{ "cdev1", NULL, 0, true },
{ "i2s1", "pll_a_out0", 11289600, false},
{ "usbd", "clk_m", 12000000, true},
{ "usb3", "clk_m", 12000000, true},
{ NULL, NULL, 0, 0},
};
static struct gpio_keys_button seaboard_gpio_keys_buttons[] = {
{
.code = SW_LID,
.gpio = TEGRA_GPIO_LIDSWITCH,
.active_low = 0,
.desc = "Lid",
.type = EV_SW,
.wakeup = 1,
.debounce_interval = 1,
},
{
.code = KEY_POWER,
.gpio = TEGRA_GPIO_POWERKEY,
.active_low = 1,
.desc = "Power",
.type = EV_KEY,
.wakeup = 1,
},
};
static struct gpio_keys_platform_data seaboard_gpio_keys = {
.buttons = seaboard_gpio_keys_buttons,
.nbuttons = ARRAY_SIZE(seaboard_gpio_keys_buttons),
};
static struct platform_device seaboard_gpio_keys_device = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &seaboard_gpio_keys,
}
};
static struct tegra_sdhci_platform_data sdhci_pdata1 = {
.cd_gpio = -1,
.wp_gpio = -1,
.power_gpio = -1,
};
static struct tegra_sdhci_platform_data sdhci_pdata3 = {
.cd_gpio = TEGRA_GPIO_SD2_CD,
.wp_gpio = TEGRA_GPIO_SD2_WP,
.power_gpio = TEGRA_GPIO_SD2_POWER,
};
static struct tegra_sdhci_platform_data sdhci_pdata4 = {
.cd_gpio = -1,
.wp_gpio = -1,
.power_gpio = -1,
.is_8bit = 1,
};
static struct tegra_wm8903_platform_data seaboard_audio_pdata = {
.gpio_spkr_en = TEGRA_GPIO_SPKR_EN,
.gpio_hp_det = TEGRA_GPIO_HP_DET,
.gpio_hp_mute = -1,
.gpio_int_mic_en = -1,
.gpio_ext_mic_en = -1,
};
static struct platform_device seaboard_audio_device = {
.name = "tegra-snd-wm8903",
.id = 0,
.dev = {
.platform_data = &seaboard_audio_pdata,
},
};
static struct platform_device *seaboard_devices[] __initdata = {
&debug_uart,
&tegra_pmu_device,
&tegra_sdhci_device4,
&tegra_sdhci_device3,
&tegra_sdhci_device1,
&seaboard_gpio_keys_device,
&tegra_i2s_device1,
&tegra_das_device,
&tegra_pcm_device,
&seaboard_audio_device,
};
static struct i2c_board_info __initdata isl29018_device = {
I2C_BOARD_INFO("isl29018", 0x44),
.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_ISL29018_IRQ),
};
static struct i2c_board_info __initdata adt7461_device = {
I2C_BOARD_INFO("adt7461", 0x4c),
};
static struct wm8903_platform_data wm8903_pdata = {
.irq_active_low = 0,
.micdet_cfg = 0,
.micdet_delay = 100,
.gpio_base = SEABOARD_GPIO_WM8903(0),
.gpio_cfg = {
WM8903_GPIO_NO_CONFIG,
WM8903_GPIO_NO_CONFIG,
0,
WM8903_GPIO_NO_CONFIG,
WM8903_GPIO_NO_CONFIG,
},
};
static struct i2c_board_info __initdata wm8903_device = {
I2C_BOARD_INFO("wm8903", 0x1a),
.platform_data = &wm8903_pdata,
.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ),
};
static int seaboard_ehci_init(void)
{
int gpio_status;
gpio_status = gpio_request(TEGRA_GPIO_USB1, "VBUS_USB1");
if (gpio_status < 0) {
pr_err("VBUS_USB1 request GPIO FAILED\n");
WARN_ON(1);
}
gpio_status = gpio_direction_output(TEGRA_GPIO_USB1, 1);
if (gpio_status < 0) {
pr_err("VBUS_USB1 request GPIO DIRECTION FAILED\n");
WARN_ON(1);
}
gpio_set_value(TEGRA_GPIO_USB1, 1);
platform_device_register(&tegra_ehci1_device);
platform_device_register(&tegra_ehci3_device);
return 0;
}
static void __init seaboard_i2c_init(void)
{
gpio_request(TEGRA_GPIO_ISL29018_IRQ, "isl29018");
gpio_direction_input(TEGRA_GPIO_ISL29018_IRQ);
i2c_register_board_info(0, &isl29018_device, 1);
i2c_register_board_info(0, &wm8903_device, 1);
i2c_register_board_info(3, &adt7461_device, 1);
platform_device_register(&tegra_i2c_device1);
platform_device_register(&tegra_i2c_device2);
platform_device_register(&tegra_i2c_device3);
platform_device_register(&tegra_i2c_device4);
}
static void __init seaboard_common_init(void)
{
seaboard_pinmux_init();
tegra_clk_init_from_table(seaboard_clk_init_table);
tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1;
tegra_sdhci_device3.dev.platform_data = &sdhci_pdata3;
tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4;
platform_add_devices(seaboard_devices, ARRAY_SIZE(seaboard_devices));
seaboard_ehci_init();
}
static void __init tegra_seaboard_init(void)
{
/* Seaboard uses UARTD for the debug port. */
debug_uart_platform_data[0].membase = IO_ADDRESS(TEGRA_UARTD_BASE);
debug_uart_platform_data[0].mapbase = TEGRA_UARTD_BASE;
debug_uart_platform_data[0].irq = INT_UARTD;
seaboard_common_init();
seaboard_i2c_init();
}
static void __init tegra_kaen_init(void)
{
/* Kaen uses UARTB for the debug port. */
debug_uart_platform_data[0].membase = IO_ADDRESS(TEGRA_UARTB_BASE);
debug_uart_platform_data[0].mapbase = TEGRA_UARTB_BASE;
debug_uart_platform_data[0].irq = INT_UARTB;
seaboard_audio_pdata.gpio_hp_mute = TEGRA_GPIO_KAEN_HP_MUTE;
tegra_gpio_enable(TEGRA_GPIO_KAEN_HP_MUTE);
seaboard_common_init();
seaboard_i2c_init();
}
static void __init tegra_wario_init(void)
{
/* Wario uses UARTB for the debug port. */
debug_uart_platform_data[0].membase = IO_ADDRESS(TEGRA_UARTB_BASE);
debug_uart_platform_data[0].mapbase = TEGRA_UARTB_BASE;
debug_uart_platform_data[0].irq = INT_UARTB;
seaboard_common_init();
seaboard_i2c_init();
}
MACHINE_START(SEABOARD, "seaboard")
.atag_offset = 0x100,
.map_io = tegra_map_common_io,
.init_early = tegra20_init_early,
.init_irq = tegra_init_irq,
.handle_irq = gic_handle_irq,
.timer = &tegra_timer,
.init_machine = tegra_seaboard_init,
MACHINE_END
MACHINE_START(KAEN, "kaen")
.atag_offset = 0x100,
.map_io = tegra_map_common_io,
.init_early = tegra20_init_early,
.init_irq = tegra_init_irq,
.handle_irq = gic_handle_irq,
.timer = &tegra_timer,
.init_machine = tegra_kaen_init,
MACHINE_END
MACHINE_START(WARIO, "wario")
.atag_offset = 0x100,
.map_io = tegra_map_common_io,
.init_early = tegra20_init_early,
.init_irq = tegra_init_irq,
.handle_irq = gic_handle_irq,
.timer = &tegra_timer,
.init_machine = tegra_wario_init,
MACHINE_END
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