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-rw-r--r--arch/arm/mach-tegra/board-harmony.c127
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
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+++ b/arch/arm/mach-tegra/board-harmony.c
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+/*
+ * 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