/* * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #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