[net-next-2.6.git] / arch / arm / mach-tegra / board-harmony.c

/*
 * arch/arm/mach-tegra/board-harmony.c
 *
 * Copyright (C) 2010 Google, Inc.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * 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/clk.h>
#include <linux/dma-mapping.h>
#include <linux/pda_power.h>
#include <linux/io.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/setup.h>

#include <mach/iomap.h>
#include <mach/irqs.h>

#include "board.h"
#include "board-harmony.h"
#include "clock.h"

/* NVidia bootloader tags */
#define ATAG_NVIDIA		0x41000801

#define ATAG_NVIDIA_RM			0x1
#define ATAG_NVIDIA_DISPLAY		0x2
#define ATAG_NVIDIA_FRAMEBUFFER		0x3
#define ATAG_NVIDIA_CHIPSHMOO		0x4
#define ATAG_NVIDIA_CHIPSHMOOPHYS	0x5
#define ATAG_NVIDIA_PRESERVED_MEM_0	0x10000
#define ATAG_NVIDIA_PRESERVED_MEM_N	2
#define ATAG_NVIDIA_FORCE_32		0x7fffffff

struct tag_tegra {
	__u32 bootarg_key;
	__u32 bootarg_len;
	char bootarg[1];
};

static int __init parse_tag_nvidia(const struct tag *tag)
{

	return 0;
}
__tagtable(ATAG_NVIDIA, parse_tag_nvidia);

static struct plat_serial8250_port debug_uart_platform_data[] = {
	{
		.membase	= IO_ADDRESS(TEGRA_UARTD_BASE),
		.mapbase	= TEGRA_UARTD_BASE,
		.irq		= INT_UARTD,
		.flags		= UPF_BOOT_AUTOCONF,
		.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 struct platform_device *harmony_devices[] __initdata = {
	&debug_uart,
};

static void __init tegra_harmony_fixup(struct machine_desc *desc,
	struct tag *tags, char **cmdline, struct meminfo *mi)
{
	mi->nr_banks = 2;
	mi->bank[0].start = PHYS_OFFSET;
	mi->bank[0].size = 448 * SZ_1M;
	mi->bank[1].start = SZ_512M;
	mi->bank[1].size = SZ_512M;
}

static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = {
	/* name		parent		rate		enabled */
	{ "uartd",	"pll_p",	216000000,	true },
	{ NULL,		NULL,		0,		0},
};

static void __init tegra_harmony_init(void)
{
	tegra_common_init();

	tegra_clk_init_from_table(harmony_clk_init_table);

	harmony_pinmux_init();

	platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices));
}

MACHINE_START(HARMONY, "harmony")
	.boot_params  = 0x00000100,
	.phys_io        = IO_APB_PHYS,
	.io_pg_offst    = ((IO_APB_VIRT) >> 18) & 0xfffc,
	.fixup		= tegra_harmony_fixup,
	.init_irq       = tegra_init_irq,
	.init_machine   = tegra_harmony_init,
	.map_io         = tegra_map_common_io,
	.timer          = &tegra_timer,
MACHINE_END
Commit	Line	Data
42a7bf4d CC	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;
42a7bf4d CC	94	mi->bank[0].size = 448 * SZ_1M;
42a7bf4d CC	95	mi->bank[1].start = SZ_512M;
42a7bf4d CC	96	mi->bank[1].size = SZ_512M;
	97	}
	98
	99	static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = {
	100	/* name parent rate enabled */
	101	{ "uartd", "pll_p", 216000000, true },
	102	{ NULL, NULL, 0, 0},
	103	};
	104
	105	static void __init tegra_harmony_init(void)
	106	{
	107	tegra_common_init();
	108
	109	tegra_clk_init_from_table(harmony_clk_init_table);
	110
	111	harmony_pinmux_init();
	112
	113	platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices));
	114	}
	115
	116	MACHINE_START(HARMONY, "harmony")
	117	.boot_params = 0x00000100,
	118	.phys_io = IO_APB_PHYS,
	119	.io_pg_offst = ((IO_APB_VIRT) >> 18) & 0xfffc,
	120	.fixup = tegra_harmony_fixup,
	121	.init_irq = tegra_init_irq,
	122	.init_machine = tegra_harmony_init,
	123	.map_io = tegra_map_common_io,
	124	.timer = &tegra_timer,
	125	MACHINE_END