Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* arch/arm/mach-s3c2410/include/mach/debug-macro.S |
| 2 | * |
| 3 | * Debugging macro include header |
| 4 | * |
| 5 | * Copyright (C) 1994-1999 Russell King |
| 6 | * Copyright (C) 2005 Simtec Electronics |
| 7 | * |
| 8 | * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/serial_s3c.h> |
| 16 | |
| 17 | #define S3C2410_UART1_OFF (0x4000) |
| 18 | |
| 19 | .macro addruart, rp, rv, tmp |
| 20 | ldr \rp, = CONFIG_DEBUG_UART_PHYS |
| 21 | ldr \rv, = CONFIG_DEBUG_UART_VIRT |
| 22 | .endm |
| 23 | |
| 24 | .macro fifo_full_s3c2410 rd, rx |
| 25 | ldr \rd, [\rx, # S3C2410_UFSTAT] |
| 26 | tst \rd, #S3C2410_UFSTAT_TXFULL |
| 27 | .endm |
| 28 | |
| 29 | .macro fifo_level_s3c2410 rd, rx |
| 30 | ldr \rd, [\rx, # S3C2410_UFSTAT] |
| 31 | and \rd, \rd, #S3C2410_UFSTAT_TXMASK |
| 32 | .endm |
| 33 | |
| 34 | /* Select the correct implementation depending on the configuration. The |
| 35 | * S3C2440 will get selected by default, as these are the most widely |
| 36 | * used variants of these |
| 37 | */ |
| 38 | |
| 39 | #if defined(CONFIG_DEBUG_S3C2410_UART) |
| 40 | #define fifo_full fifo_full_s3c2410 |
| 41 | #define fifo_level fifo_level_s3c2410 |
| 42 | #endif |
| 43 | |
| 44 | /* include the reset of the code which will do the work */ |
| 45 | |
| 46 | #include <debug/samsung.S> |