Maxime Ripard | cb84fa1 | 2012-11-08 12:40:49 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Early serial output macro for Allwinner A1X SoCs |
| 3 | * |
| 4 | * Copyright (C) 2012 Maxime Ripard |
| 5 | * |
| 6 | * Maxime Ripard <maxime.ripard@free-electrons.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
Stefan Roese | aa25115 | 2012-11-19 12:09:41 +0100 | [diff] [blame] | 13 | #if defined(CONFIG_DEBUG_SUNXI_UART0) |
| 14 | #define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28000 |
| 15 | #define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28000 |
| 16 | #elif defined(CONFIG_DEBUG_SUNXI_UART1) |
Maxime Ripard | cb84fa1 | 2012-11-08 12:40:49 +0100 | [diff] [blame] | 17 | #define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28400 |
| 18 | #define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28400 |
| 19 | #endif |
| 20 | |
| 21 | .macro addruart, rp, rv, tmp |
| 22 | ldr \rp, =SUNXI_UART_DEBUG_PHYS_BASE |
| 23 | ldr \rv, =SUNXI_UART_DEBUG_VIRT_BASE |
| 24 | .endm |
| 25 | |
| 26 | #define UART_SHIFT 2 |
| 27 | #include <asm/hardware/debug-8250.S> |