| Haojian Zhuang | 0a43cd3 | 2013-04-10 11:17:04 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Early serial output macro for Marvell PXA/MMP SoC |
| 3 | * |
| 4 | * Copyright (C) 1994-1999 Russell King |
| 5 | * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks |
| 6 | * |
| 7 | * Copyright (C) 2013 Haojian Zhuang |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | */ |
| 13 | |
| 14 | #if defined(CONFIG_DEBUG_PXA_UART1) |
| 15 | #define PXA_UART_REG_PHYS_BASE 0x40100000 |
| 16 | #define PXA_UART_REG_VIRT_BASE 0xf2100000 |
| 17 | #elif defined(CONFIG_DEBUG_MMP_UART2) |
| 18 | #define PXA_UART_REG_PHYS_BASE 0xd4017000 |
| 19 | #define PXA_UART_REG_VIRT_BASE 0xfe017000 |
| 20 | #elif defined(CONFIG_DEBUG_MMP_UART3) |
| 21 | #define PXA_UART_REG_PHYS_BASE 0xd4018000 |
| 22 | #define PXA_UART_REG_VIRT_BASE 0xfe018000 |
| 23 | #else |
| 24 | #error "Select uart for DEBUG_LL" |
| 25 | #endif |
| 26 | |
| 27 | .macro addruart, rp, rv, tmp |
| 28 | ldr \rp, =PXA_UART_REG_PHYS_BASE |
| 29 | ldr \rv, =PXA_UART_REG_VIRT_BASE |
| 30 | .endm |
| 31 | |
| 32 | #define UART_SHIFT 2 |
| 33 | #include <asm/hardware/debug-8250.S> |