1/* 2 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. 3 * http://www.samsung.com 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8*/ 9 10/* pull in the relevant register and map files. */ 11 12#define S3C_ADDR_BASE 0xF6000000 13#define S3C_VA_UART S3C_ADDR_BASE + 0x01000000 14#define EXYNOS4_PA_UART 0x13800000 15#define EXYNOS5_PA_UART 0x12C00000 16 17 /* note, for the boot process to work we have to keep the UART 18 * virtual address aligned to an 1MiB boundary for the L1 19 * mapping the head code makes. We keep the UART virtual address 20 * aligned and add in the offset when we load the value here. 21 */ 22 23 .macro addruart, rp, rv, tmp 24 mrc p15, 0, \tmp, c0, c0, 0 25 and \tmp, \tmp, #0xf0 26 teq \tmp, #0xf0 @@ A15 27 beq 100f 28 mrc p15, 0, \tmp, c0, c0, 5 29 and \tmp, \tmp, #0xf00 30 teq \tmp, #0x100 @@ A15 + A7 but boot to A7 31100: ldreq \rp, =EXYNOS5_PA_UART 32 movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 33 ldr \rv, =S3C_VA_UART 34#if CONFIG_DEBUG_S3C_UART != 0 35 add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART) 36 add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART) 37#endif 38 .endm 39 40#define fifo_full fifo_full_s5pv210 41#define fifo_level fifo_level_s5pv210 42 43#include <debug/samsung.S> 44