| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Gemini Device Tree boot support |
| */ |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/io.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| |
| #ifdef CONFIG_DEBUG_GEMINI |
| /* This is needed for LL-debug/earlyprintk/debug-macro.S */ |
| static struct map_desc gemini_io_desc[] __initdata = { |
| { |
| .virtual = CONFIG_DEBUG_UART_VIRT, |
| .pfn = __phys_to_pfn(CONFIG_DEBUG_UART_PHYS), |
| .length = SZ_4K, |
| .type = MT_DEVICE, |
| }, |
| }; |
| |
| static void __init gemini_map_io(void) |
| { |
| iotable_init(gemini_io_desc, ARRAY_SIZE(gemini_io_desc)); |
| } |
| #else |
| #define gemini_map_io NULL |
| #endif |
| |
| static const char *gemini_board_compat[] = { |
| "cortina,gemini", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(GEMINI_DT, "Gemini (Device Tree)") |
| .map_io = gemini_map_io, |
| .dt_compat = gemini_board_compat, |
| MACHINE_END |
