arch/arm/mach-tegra/board-paz00.c

   1 /*
   2  * arch/arm/mach-tegra/board-paz00.c
   3  *
   4  * Copyright (C) 2011 Marc Dietrich <marvin24@gmx.de>
   5  *
   6  * Based on board-harmony.c
   7  * Copyright (C) 2010 Google, Inc.
   8  *
   9  * This software is licensed under the terms of the GNU General Public
  10  * License version 2, as published by the Free Software Foundation, and
  11  * may be copied, distributed, and modified under those terms.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  */
  19
  20 #include <linux/kernel.h>
  21 #include <linux/init.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/serial_8250.h>
  24 #include <linux/clk.h>
  25 #include <linux/dma-mapping.h>
  26 #include <linux/pda_power.h>
  27 #include <linux/io.h>
  28 #include <linux/i2c.h>
  29
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/time.h>
  33 #include <asm/setup.h>
  34
  35 #include <mach/iomap.h>
  36 #include <mach/irqs.h>
  37 #include <mach/sdhci.h>
  38 #include <mach/gpio.h>
  39
  40 #include "board.h"
  41 #include "board-paz00.h"
  42 #include "clock.h"
  43 #include "devices.h"
  44 #include "gpio-names.h"
  45
  46 static struct plat_serial8250_port debug_uart_platform_data[] = {
  47         {
  48                 .membase        = IO_ADDRESS(TEGRA_UARTD_BASE),
  49                 .mapbase        = TEGRA_UARTD_BASE,
  50                 .irq            = INT_UARTD,
  51                 .flags          = UPF_BOOT_AUTOCONF,
  52                 .iotype         = UPIO_MEM,
  53                 .regshift       = 2,
  54                 .uartclk        = 216000000,
  55         }, {
  56                 .flags          = 0
  57         }
  58 };
  59
  60 static struct platform_device debug_uart = {
  61         .name = "serial8250",
  62         .id = PLAT8250_DEV_PLATFORM,
  63         .dev = {
  64                 .platform_data = debug_uart_platform_data,
  65         },
  66 };
  67
  68 static struct platform_device *paz00_devices[] __initdata = {
  69         &debug_uart,
  70         &tegra_sdhci_device1,
  71         &tegra_sdhci_device4,
  72 };
  73
  74 static void paz00_i2c_init(void)
  75 {
  76         platform_device_register(&tegra_i2c_device1);
  77         platform_device_register(&tegra_i2c_device2);
  78         platform_device_register(&tegra_i2c_device4);
  79 }
  80
  81 static void paz00_usb_init(void)
  82 {
  83         platform_device_register(&tegra_ehci2_device);
  84         platform_device_register(&tegra_ehci3_device);
  85 }
  86
  87 static void __init tegra_paz00_fixup(struct machine_desc *desc,
  88         struct tag *tags, char **cmdline, struct meminfo *mi)
  89 {
  90         mi->nr_banks = 1;
  91         mi->bank[0].start = PHYS_OFFSET;
  92         mi->bank[0].size = 448 * SZ_1M;
  93 }
  94
  95 static __initdata struct tegra_clk_init_table paz00_clk_init_table[] = {
  96         /* name         parent          rate            enabled */
  97         { "uartd",      "pll_p",        216000000,      true },
  98         { NULL,         NULL,           0,              0},
  99 };
 100
 101 static struct tegra_sdhci_platform_data sdhci_pdata1 = {
 102         .cd_gpio        = TEGRA_GPIO_SD1_CD,
 103         .wp_gpio        = TEGRA_GPIO_SD1_WP,
 104         .power_gpio     = TEGRA_GPIO_SD1_POWER,
 105 };
 106
 107 static struct tegra_sdhci_platform_data sdhci_pdata4 = {
 108         .cd_gpio        = -1,
 109         .wp_gpio        = -1,
 110         .power_gpio     = -1,
 111         .is_8bit        = 1,
 112 };
 113
 114 static void __init tegra_paz00_init(void)
 115 {
 116         tegra_clk_init_from_table(paz00_clk_init_table);
 117
 118         paz00_pinmux_init();
 119
 120         tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1;
 121         tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4;
 122
 123         platform_add_devices(paz00_devices, ARRAY_SIZE(paz00_devices));
 124
 125         paz00_i2c_init();
 126         paz00_usb_init();
 127 }
 128
 129 MACHINE_START(PAZ00, "Toshiba AC100 / Dynabook AZ")
 130         .boot_params    = 0x00000100,
 131         .fixup          = tegra_paz00_fixup,
 132         .map_io         = tegra_map_common_io,
 133         .init_early     = tegra_init_early,
 134         .init_irq       = tegra_init_irq,
 135         .timer          = &tegra_timer,
 136         .init_machine   = tegra_paz00_init,
 137 MACHINE_END