1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. 4 * http://www.samsung.com 5 */ 6 7 /* pull in the relevant register and map files. */ 8 9 #define S3C_ADDR_BASE 0xF6000000 10 #define S3C_VA_UART S3C_ADDR_BASE + 0x01000000 11 #define EXYNOS4_PA_UART 0x13800000 12 #define EXYNOS5_PA_UART 0x12C00000 13 14 /* note, for the boot process to work we have to keep the UART 15 * virtual address aligned to an 1MiB boundary for the L1 16 * mapping the head code makes. We keep the UART virtual address 17 * aligned and add in the offset when we load the value here. 18 */ 19 20 .macro addruart, rp, rv, tmp 21 mrc p15, 0, \tmp, c0, c0, 0 22 and \tmp, \tmp, #0xf0 23 teq \tmp, #0xf0 @@ A15 24 beq 100f 25 mrc p15, 0, \tmp, c0, c0, 5 26 and \tmp, \tmp, #0xf00 27 teq \tmp, #0x100 @@ A15 + A7 but boot to A7 28 100: ldreq \rp, =EXYNOS5_PA_UART 29 movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 30 ldr \rv, =S3C_VA_UART 31 #if CONFIG_DEBUG_S3C_UART != 0 32 add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART) 33 add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART) 34 #endif 35 .endm 36 37 #define fifo_full fifo_full_s5pv210 38 #define fifo_level fifo_level_s5pv210 39 40 #include <debug/samsung.S> 41