/* * Device Tree support for Allwinner A1X SoCs * * Copyright (C) 2012 Maxime Ripard * * Maxime Ripard * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #include #include #include #include #include #include #include #include "sunxi.h" #ifdef CONFIG_SMP extern struct smp_operations sunxi_smp_ops; #endif static struct map_desc sunxi_io_desc[] __initdata = { { .virtual = (unsigned long) IO_ADDRESS(SUNXI_IO_PBASE), .pfn = __phys_to_pfn(SUNXI_IO_PBASE), .length = SUNXI_IO_SIZE, .type = MT_DEVICE, }, #ifdef CONFIG_ARCH_SUN8IW10P1 { .virtual = (unsigned long)IO_ADDRESS(SUNXI_SRAM_A1_PBASE), .pfn = __phys_to_pfn(SUNXI_SRAM_A1_PBASE), .length = SUNXI_SRAM_A1_SIZE, .type = MT_MEMORY_ITCM, }, { .virtual = (unsigned long)IO_ADDRESS(SUNXI_SRAM_C_PBASE), .pfn = __phys_to_pfn(SUNXI_SRAM_C_PBASE), .length = SUNXI_SRAM_C_SIZE, .type = MT_MEMORY_ITCM, }, #endif #ifdef CONFIG_ARCH_SUN8IW8P1 { .virtual = (unsigned long)IO_ADDRESS(SUNXI_SRAM_A1_PBASE), .pfn = __phys_to_pfn(SUNXI_SRAM_A1_PBASE), .length = SUNXI_SRAM_A1_SIZE, .type = MT_MEMORY_ITCM, }, { .virtual = (unsigned long)IO_ADDRESS(SUNXI_SRAM_C_PBASE), .pfn = __phys_to_pfn(SUNXI_SRAM_C_PBASE), .length = SUNXI_SRAM_C_SIZE, .type = MT_MEMORY_ITCM, }, #endif #if defined(CONFIG_ARCH_SUN8IW11P1) { .virtual = (unsigned long)IO_ADDRESS(SUNXI_SRAM_A_PBASE), .pfn = __phys_to_pfn(SUNXI_SRAM_A_PBASE), .length = SUNXI_SRAM_A_SIZE, .type = MT_MEMORY_ITCM, }, #endif }; void __init sunxi_map_io(void) { iotable_init(sunxi_io_desc, ARRAY_SIZE(sunxi_io_desc)); } static void __init sunxi_timer_init(void) { of_clk_init(NULL); #ifdef CONFIG_COMMON_CLK_ENABLE_SYNCBOOT_EARLY clk_syncboot(); #endif clocksource_of_init(); } static const char * const sunxi_board_dt_compat[] = { "allwinner,sun4i-a10", "allwinner,sun5i-a13", "arm,sun8iw10p1", "arm,sun8iw11p1", "arm,sun8iw8p1", NULL, }; DT_MACHINE_START(SUNXI_DT, CONFIG_SUNXI_SOC_NAME) .smp = smp_ops(sunxi_smp_ops), .map_io = sunxi_map_io, .init_time = sunxi_timer_init, .dt_compat = sunxi_board_dt_compat, MACHINE_END