projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 4e218b99 | 1 | /* arch/arm/include/debug/pl01x.S |
| 71dccd0f RK |
2 | * |
| 3 | * Debugging macro include header | |
| 4 | * | |
| 5 | * Copyright (C) 1994-1999 Russell King | |
| 6 | * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks | |
| 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 | */ | |
| 13 | #include <linux/amba/serial.h> | |
| 14 | ||
| 58d03985 JN |
15 | #ifdef CONFIG_DEBUG_ZTE_ZX |
| 16 | #undef UART01x_DR | |
| 17 | #undef UART01x_FR | |
| 18 | #define UART01x_DR 0x04 | |
| 19 | #define UART01x_FR 0x14 | |
| 20 | #endif | |
| 21 | ||
| 5c972af4 RK |
22 | #ifdef CONFIG_DEBUG_UART_PHYS |
| 23 | .macro addruart, rp, rv, tmp | |
| 24 | ldr \rp, =CONFIG_DEBUG_UART_PHYS | |
| 25 | ldr \rv, =CONFIG_DEBUG_UART_VIRT | |
| 26 | .endm | |
| 27 | #endif | |
| 28 | ||
| 71dccd0f RK |
29 | .macro senduart,rd,rx |
| 30 | strb \rd, [\rx, #UART01x_DR] | |
| 31 | .endm | |
| 32 | ||
| 33 | .macro waituart,rd,rx | |
| 34 | 1001: ldr \rd, [\rx, #UART01x_FR] | |
| 76e3faf1 | 35 | ARM_BE8( rev \rd, \rd ) |
| 71dccd0f RK |
36 | tst \rd, #UART01x_FR_TXFF |
| 37 | bne 1001b | |
| 38 | .endm | |
| 39 | ||
| 40 | .macro busyuart,rd,rx | |
| 41 | 1001: ldr \rd, [\rx, #UART01x_FR] | |
| 76e3faf1 | 42 | ARM_BE8( rev \rd, \rd ) |
| 71dccd0f RK |
43 | tst \rd, #UART01x_FR_BUSY |
| 44 | bne 1001b | |
| 45 | .endm |