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-rw-r--r--arch/arm/mach-tegra/board-trimslice.c106
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1/*
2 * arch/arm/mach-tegra/board-trimslice.c
3 *
4 * Copyright (C) 2011 CompuLab, Ltd.
5 * Author: Mike Rapoport <mike@compulab.co.il>
6 *
7 * Based on board-harmony.c
8 * Copyright (C) 2010 Google, Inc.
9 *
10 * This software is licensed under the terms of the GNU General Public
11 * License version 2, as published by the Free Software Foundation, and
12 * may be copied, distributed, and modified under those terms.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 */
20
21#include <linux/kernel.h>
22#include <linux/init.h>
23#include <linux/platform_device.h>
24#include <linux/serial_8250.h>
25#include <linux/io.h>
26
27#include <asm/mach-types.h>
28#include <asm/mach/arch.h>
29#include <asm/setup.h>
30
31#include <mach/iomap.h>
32
33#include "board.h"
34#include "clock.h"
35
36#include "board-trimslice.h"
37
38static struct plat_serial8250_port debug_uart_platform_data[] = {
39 {
40 .membase = IO_ADDRESS(TEGRA_UARTA_BASE),
41 .mapbase = TEGRA_UARTA_BASE,
42 .irq = INT_UARTA,
43 .flags = UPF_BOOT_AUTOCONF,
44 .iotype = UPIO_MEM,
45 .regshift = 2,
46 .uartclk = 216000000,
47 }, {
48 .flags = 0
49 }
50};
51
52static struct platform_device debug_uart = {
53 .name = "serial8250",
54 .id = PLAT8250_DEV_PLATFORM,
55 .dev = {
56 .platform_data = debug_uart_platform_data,
57 },
58};
59
60static struct platform_device *trimslice_devices[] __initdata = {
61 &debug_uart,
62};
63
64static void __init tegra_trimslice_fixup(struct machine_desc *desc,
65 struct tag *tags, char **cmdline, struct meminfo *mi)
66{
67 mi->nr_banks = 2;
68 mi->bank[0].start = PHYS_OFFSET;
69 mi->bank[0].size = 448 * SZ_1M;
70 mi->bank[1].start = SZ_512M;
71 mi->bank[1].size = SZ_512M;
72}
73
74static __initdata struct tegra_clk_init_table trimslice_clk_init_table[] = {
75 /* name parent rate enabled */
76 { "uarta", "pll_p", 216000000, true },
77 { NULL, NULL, 0, 0},
78};
79
80static int __init tegra_trimslice_pci_init(void)
81{
82 if (!machine_is_trimslice())
83 return 0;
84
85 return tegra_pcie_init(true, true);
86}
87subsys_initcall(tegra_trimslice_pci_init);
88
89static void __init tegra_trimslice_init(void)
90{
91 tegra_clk_init_from_table(trimslice_clk_init_table);
92
93 trimslice_pinmux_init();
94
95 platform_add_devices(trimslice_devices, ARRAY_SIZE(trimslice_devices));
96}
97
98MACHINE_START(TRIMSLICE, "trimslice")
99 .boot_params = 0x00000100,
100 .fixup = tegra_trimslice_fixup,
101 .map_io = tegra_map_common_io,
102 .init_early = tegra_init_early,
103 .init_irq = tegra_init_irq,
104 .timer = &tegra_timer,
105 .init_machine = tegra_trimslice_init,
106MACHINE_END