diff options
author | Colin Cross <ccross@android.com> | 2010-02-10 20:13:07 -0500 |
---|---|---|
committer | Erik Gilling <konkers@android.com> | 2010-08-05 17:57:02 -0400 |
commit | 42a7bf4d2686145bea03ff9b87d83868cc514f47 (patch) | |
tree | 4f85165b2082ce939365a27ca185c949b39a674f /arch/arm/mach-tegra/board-harmony.c | |
parent | a4417c84513650a0f9e4de6a0bb2c5480e45b2a7 (diff) |
[ARM] tegra: harmony: Add harmony board file
v2: fixes from Russell King
- include linux/io.h instead of mach/io.h
v3: fixes from Linus Walleij
- remove /16 * 16 from UART clock
v3:
- Fix checkpatch issues
- make board init calls explicit
- use clock init table to set clocks
- remove panel
Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: Erik Gilling <konkers@android.com>
Diffstat (limited to 'arch/arm/mach-tegra/board-harmony.c')
-rw-r--r-- | arch/arm/mach-tegra/board-harmony.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c new file mode 100644 index 000000000000..05e78dd9b50c --- /dev/null +++ b/arch/arm/mach-tegra/board-harmony.c | |||
@@ -0,0 +1,127 @@ | |||
1 | /* | ||
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> | ||
33 | |||
34 | #include "board.h" | ||
35 | #include "board-harmony.h" | ||
36 | #include "clock.h" | ||
37 | |||
38 | /* NVidia bootloader tags */ | ||
39 | #define ATAG_NVIDIA 0x41000801 | ||
40 | |||
41 | #define ATAG_NVIDIA_RM 0x1 | ||
42 | #define ATAG_NVIDIA_DISPLAY 0x2 | ||
43 | #define ATAG_NVIDIA_FRAMEBUFFER 0x3 | ||
44 | #define ATAG_NVIDIA_CHIPSHMOO 0x4 | ||
45 | #define ATAG_NVIDIA_CHIPSHMOOPHYS 0x5 | ||
46 | #define ATAG_NVIDIA_PRESERVED_MEM_0 0x10000 | ||
47 | #define ATAG_NVIDIA_PRESERVED_MEM_N 2 | ||
48 | #define ATAG_NVIDIA_FORCE_32 0x7fffffff | ||
49 | |||
50 | struct tag_tegra { | ||
51 | __u32 bootarg_key; | ||
52 | __u32 bootarg_len; | ||
53 | char bootarg[1]; | ||
54 | }; | ||
55 | |||
56 | static int __init parse_tag_nvidia(const struct tag *tag) | ||
57 | { | ||
58 | |||
59 | return 0; | ||
60 | } | ||
61 | __tagtable(ATAG_NVIDIA, parse_tag_nvidia); | ||
62 | |||
63 | static struct plat_serial8250_port debug_uart_platform_data[] = { | ||
64 | { | ||
65 | .membase = IO_ADDRESS(TEGRA_UARTD_BASE), | ||
66 | .mapbase = TEGRA_UARTD_BASE, | ||
67 | .irq = INT_UARTD, | ||
68 | .flags = UPF_BOOT_AUTOCONF, | ||
69 | .iotype = UPIO_MEM, | ||
70 | .regshift = 2, | ||
71 | .uartclk = 216000000, | ||
72 | }, { | ||
73 | .flags = 0 | ||
74 | } | ||
75 | }; | ||
76 | |||
77 | static struct platform_device debug_uart = { | ||
78 | .name = "serial8250", | ||
79 | .id = PLAT8250_DEV_PLATFORM, | ||
80 | .dev = { | ||
81 | .platform_data = debug_uart_platform_data, | ||
82 | }, | ||
83 | }; | ||
84 | |||
85 | static struct platform_device *harmony_devices[] __initdata = { | ||
86 | &debug_uart, | ||
87 | }; | ||
88 | |||
89 | static void __init tegra_harmony_fixup(struct machine_desc *desc, | ||
90 | struct tag *tags, char **cmdline, struct meminfo *mi) | ||
91 | { | ||
92 | mi->nr_banks = 2; | ||
93 | mi->bank[0].start = PHYS_OFFSET; | ||
94 | mi->bank[0].node = PHYS_TO_NID(PHYS_OFFSET); | ||
95 | mi->bank[0].size = 448 * SZ_1M; | ||
96 | mi->bank[1].start = SZ_512M; | ||
97 | mi->bank[1].node = PHYS_TO_NID(SZ_512M); | ||
98 | mi->bank[1].size = SZ_512M; | ||
99 | } | ||
100 | |||
101 | static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = { | ||
102 | /* name parent rate enabled */ | ||
103 | { "uartd", "pll_p", 216000000, true }, | ||
104 | { NULL, NULL, 0, 0}, | ||
105 | }; | ||
106 | |||
107 | static void __init tegra_harmony_init(void) | ||
108 | { | ||
109 | tegra_common_init(); | ||
110 | |||
111 | tegra_clk_init_from_table(harmony_clk_init_table); | ||
112 | |||
113 | harmony_pinmux_init(); | ||
114 | |||
115 | platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices)); | ||
116 | } | ||
117 | |||
118 | MACHINE_START(HARMONY, "harmony") | ||
119 | .boot_params = 0x00000100, | ||
120 | .phys_io = IO_APB_PHYS, | ||
121 | .io_pg_offst = ((IO_APB_VIRT) >> 18) & 0xfffc, | ||
122 | .fixup = tegra_harmony_fixup, | ||
123 | .init_irq = tegra_init_irq, | ||
124 | .init_machine = tegra_harmony_init, | ||
125 | .map_io = tegra_map_common_io, | ||
126 | .timer = &tegra_timer, | ||
127 | MACHINE_END | ||