| /* arch/arm/include/debug/pl01x.S | |
| * | |
| * Debugging macro include header | |
| * | |
| * Copyright (C) 1994-1999 Russell King | |
| * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks | |
| * | |
| * 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. | |
| * | |
| */ | |
| #include <linux/amba/serial.h> | |
| #ifdef CONFIG_DEBUG_ZTE_ZX | |
| #undef UART01x_DR | |
| #undef UART01x_FR | |
| #define UART01x_DR 0x04 | |
| #define UART01x_FR 0x14 | |
| #endif | |
| #ifdef CONFIG_DEBUG_UART_PHYS | |
| .macro addruart, rp, rv, tmp | |
| ldr \rp, =CONFIG_DEBUG_UART_PHYS | |
| ldr \rv, =CONFIG_DEBUG_UART_VIRT | |
| .endm | |
| #endif | |
| .macro senduart,rd,rx | |
| strb \rd, [\rx, #UART01x_DR] | |
| .endm | |
| .macro waituart,rd,rx | |
| 1001: ldr \rd, [\rx, #UART01x_FR] | |
| ARM_BE8( rev \rd, \rd ) | |
| tst \rd, #UART01x_FR_TXFF | |
| bne 1001b | |
| .endm | |
| .macro busyuart,rd,rx | |
| 1001: ldr \rd, [\rx, #UART01x_FR] | |
| ARM_BE8( rev \rd, \rd ) | |
| tst \rd, #UART01x_FR_BUSY | |
| bne 1001b | |
| .endm |