/* * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. * http://www.samsung.com * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ /* pull in the relevant register and map files. */ #define S3C_ADDR_BASE 0xF6000000 #define S3C_VA_UART S3C_ADDR_BASE + 0x01000000 #define EXYNOS4_PA_UART 0x13800000 #define EXYNOS5_PA_UART 0x12C00000 /* note, for the boot process to work we have to keep the UART * virtual address aligned to an 1MiB boundary for the L1 * mapping the head code makes. We keep the UART virtual address * aligned and add in the offset when we load the value here. */ .macro addruart, rp, rv, tmp mrc p15, 0, \tmp, c0, c0, 0 and \tmp, \tmp, #0xf0 teq \tmp, #0xf0 @@ A15 beq 100f mrc p15, 0, \tmp, c0, c0, 5 and \tmp, \tmp, #0xf00 teq \tmp, #0x100 @@ A15 + A7 but boot to A7 100: ldreq \rp, =EXYNOS5_PA_UART movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 ldr \rv, =S3C_VA_UART #if [31mCONFIG_DEBUG_S3C_UART[0m != 0 add \rp, \rp, #(0x10000 * [31mCONFIG_DEBUG_S3C_UART[0m) add \rv, \rv, #(0x10000 * [31mCONFIG_DEBUG_S3C_UART[0m) #endif .endm #define fifo_full fifo_full_s5pv210 #define fifo_level fifo_level_s5pv210 #include <debug/samsung.S> |