| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. |
| * http://www.samsung.com |
| */ |
| |
| /* 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 CONFIG_DEBUG_S3C_UART != 0 |
| add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART) |
| add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART) |
| #endif |
| .endm |
| |
| #define fifo_full fifo_full_s5pv210 |
| #define fifo_level fifo_level_s5pv210 |
| |
| #include <debug/samsung.S> |
