forked from luck/tmp_suning_uos_patched
42a7bf4d26
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>
128 lines
3.1 KiB
C
128 lines
3.1 KiB
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].node = PHYS_TO_NID(PHYS_OFFSET);
|
|
mi->bank[0].size = 448 * SZ_1M;
|
|
mi->bank[1].start = SZ_512M;
|
|
mi->bank[1].node = PHYS_TO_NID(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
|