diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-tegra/board-dt-tegra30.c')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-tegra/board-dt-tegra30.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-tegra/board-dt-tegra30.c b/ANDROID_3.4.5/arch/arm/mach-tegra/board-dt-tegra30.c new file mode 100644 index 00000000..5f7c03e9 --- /dev/null +++ b/ANDROID_3.4.5/arch/arm/mach-tegra/board-dt-tegra30.c @@ -0,0 +1,85 @@ +/* + * arch/arm/mach-tegra/board-dt-tegra30.c + * + * NVIDIA Tegra30 device tree board support + * + * Copyright (C) 2011 NVIDIA Corporation + * + * Derived from: + * + * arch/arm/mach-tegra/board-dt-tegra20.c + * + * Copyright (C) 2010 Secret Lab Technologies, Ltd. + * 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/of.h> +#include <linux/of_address.h> +#include <linux/of_fdt.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> + +#include <asm/mach/arch.h> +#include <asm/hardware/gic.h> + +#include "board.h" +#include "clock.h" + +static struct of_device_id tegra_dt_match_table[] __initdata = { + { .compatible = "simple-bus", }, + {} +}; + +struct of_dev_auxdata tegra30_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000000, "sdhci-tegra.0", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000200, "sdhci-tegra.1", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000400, "sdhci-tegra.2", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000600, "sdhci-tegra.3", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C000, "tegra-i2c.0", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C400, "tegra-i2c.1", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C500, "tegra-i2c.2", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C700, "tegra-i2c.3", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000D000, "tegra-i2c.4", NULL), + {} +}; + +static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = { + /* name parent rate enabled */ + { "uarta", "pll_p", 408000000, true }, + { NULL, NULL, 0, 0}, +}; + +static void __init tegra30_dt_init(void) +{ + tegra_clk_init_from_table(tegra_dt_clk_init_table); + + of_platform_populate(NULL, tegra_dt_match_table, + tegra30_auxdata_lookup, NULL); +} + +static const char *tegra30_dt_board_compat[] = { + "nvidia,tegra30", + NULL +}; + +DT_MACHINE_START(TEGRA30_DT, "NVIDIA Tegra30 (Flattened Device Tree)") + .map_io = tegra_map_common_io, + .init_early = tegra30_init_early, + .init_irq = tegra_dt_init_irq, + .handle_irq = gic_handle_irq, + .timer = &tegra_timer, + .init_machine = tegra30_dt_init, + .restart = tegra_assert_system_reset, + .dt_compat = tegra30_dt_board_compat, +MACHINE_END |