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Colin Cross42a7bf42010-02-10 17:13:07 -08001/*
2 * arch/arm/mach-tegra/board-harmony.c
3 *
4 * Copyright (C) 2010 Google, Inc.
5 *
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 */
16
17#include <linux/kernel.h>
18#include <linux/init.h>
19#include <linux/platform_device.h>
20#include <linux/serial_8250.h>
21#include <linux/clk.h>
22#include <linux/dma-mapping.h>
23#include <linux/pda_power.h>
24#include <linux/io.h>
25
26#include <asm/mach-types.h>
27#include <asm/mach/arch.h>
28#include <asm/mach/time.h>
29#include <asm/setup.h>
30
31#include <mach/iomap.h>
32#include <mach/irqs.h>
Olof Johansson875d4af2011-02-19 16:39:37 -080033#include <mach/sdhci.h>
Colin Cross42a7bf42010-02-10 17:13:07 -080034
35#include "board.h"
36#include "board-harmony.h"
37#include "clock.h"
Olof Johansson875d4af2011-02-19 16:39:37 -080038#include "devices.h"
39#include "gpio-names.h"
Colin Cross42a7bf42010-02-10 17:13:07 -080040
Colin Cross42a7bf42010-02-10 17:13:07 -080041static struct plat_serial8250_port debug_uart_platform_data[] = {
42 {
43 .membase = IO_ADDRESS(TEGRA_UARTD_BASE),
44 .mapbase = TEGRA_UARTD_BASE,
45 .irq = INT_UARTD,
46 .flags = UPF_BOOT_AUTOCONF,
47 .iotype = UPIO_MEM,
48 .regshift = 2,
49 .uartclk = 216000000,
50 }, {
51 .flags = 0
52 }
53};
54
55static struct platform_device debug_uart = {
56 .name = "serial8250",
57 .id = PLAT8250_DEV_PLATFORM,
58 .dev = {
59 .platform_data = debug_uart_platform_data,
60 },
61};
62
63static struct platform_device *harmony_devices[] __initdata = {
64 &debug_uart,
Olof Johansson875d4af2011-02-19 16:39:37 -080065 &tegra_sdhci_device1,
66 &tegra_sdhci_device2,
67 &tegra_sdhci_device4,
Colin Cross42a7bf42010-02-10 17:13:07 -080068};
69
70static void __init tegra_harmony_fixup(struct machine_desc *desc,
71 struct tag *tags, char **cmdline, struct meminfo *mi)
72{
73 mi->nr_banks = 2;
74 mi->bank[0].start = PHYS_OFFSET;
Colin Cross42a7bf42010-02-10 17:13:07 -080075 mi->bank[0].size = 448 * SZ_1M;
76 mi->bank[1].start = SZ_512M;
Colin Cross42a7bf42010-02-10 17:13:07 -080077 mi->bank[1].size = SZ_512M;
78}
79
80static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = {
81 /* name parent rate enabled */
82 { "uartd", "pll_p", 216000000, true },
83 { NULL, NULL, 0, 0},
84};
85
Olof Johansson875d4af2011-02-19 16:39:37 -080086
87static struct tegra_sdhci_platform_data sdhci_pdata1 = {
88 .cd_gpio = -1,
89 .wp_gpio = -1,
90 .power_gpio = -1,
91};
92
93static struct tegra_sdhci_platform_data sdhci_pdata2 = {
Stephen Warren986afbe2011-03-04 22:44:28 -070094 .cd_gpio = TEGRA_GPIO_SD2_CD,
95 .wp_gpio = TEGRA_GPIO_SD2_WP,
96 .power_gpio = TEGRA_GPIO_SD2_POWER,
Olof Johansson875d4af2011-02-19 16:39:37 -080097};
98
99static struct tegra_sdhci_platform_data sdhci_pdata4 = {
Stephen Warren986afbe2011-03-04 22:44:28 -0700100 .cd_gpio = TEGRA_GPIO_SD4_CD,
101 .wp_gpio = TEGRA_GPIO_SD4_WP,
102 .power_gpio = TEGRA_GPIO_SD4_POWER,
Olof Johansson875d4af2011-02-19 16:39:37 -0800103 .is_8bit = 1,
104};
105
Colin Cross42a7bf42010-02-10 17:13:07 -0800106static void __init tegra_harmony_init(void)
107{
Colin Cross42a7bf42010-02-10 17:13:07 -0800108 tegra_clk_init_from_table(harmony_clk_init_table);
109
110 harmony_pinmux_init();
111
Olof Johansson875d4af2011-02-19 16:39:37 -0800112 tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1;
113 tegra_sdhci_device2.dev.platform_data = &sdhci_pdata2;
114 tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4;
115
Colin Cross42a7bf42010-02-10 17:13:07 -0800116 platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices));
117}
118
119MACHINE_START(HARMONY, "harmony")
120 .boot_params = 0x00000100,
Colin Cross42a7bf42010-02-10 17:13:07 -0800121 .fixup = tegra_harmony_fixup,
Colin Cross42a7bf42010-02-10 17:13:07 -0800122 .map_io = tegra_map_common_io,
Colin Cross0cf62302011-02-21 17:10:14 -0800123 .init_early = tegra_init_early,
124 .init_irq = tegra_init_irq,
Colin Cross42a7bf42010-02-10 17:13:07 -0800125 .timer = &tegra_timer,
Colin Cross0cf62302011-02-21 17:10:14 -0800126 .init_machine = tegra_harmony_init,
Colin Cross42a7bf42010-02-10 17:13:07 -0800127MACHINE_END