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| author | Ingo Molnar <mingo@elte.hu> | 2008-08-13 13:08:47 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-13 13:08:47 +0200 |
| commit | a12e61df4fa1cfae7a6b76976fa65a6fcb048e3f (patch) | |
| tree | 957c915298b299902aa80afa7c78e94c71b3dc25 /arch/arm/mach-ks8695/include/mach/debug-macro.S | |
| parent | 7b27718bdb1b70166383dec91391df5534d449ee (diff) | |
| parent | 30a2f3c60a84092c8084dfe788b710f8d0768cd4 (diff) | |
Merge commit 'v2.6.27-rc3' into x86/urgent
Diffstat (limited to 'arch/arm/mach-ks8695/include/mach/debug-macro.S')
| -rw-r--r-- | arch/arm/mach-ks8695/include/mach/debug-macro.S | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-ks8695/include/mach/debug-macro.S b/arch/arm/mach-ks8695/include/mach/debug-macro.S new file mode 100644 index 00000000000..3782c355949 --- /dev/null +++ b/arch/arm/mach-ks8695/include/mach/debug-macro.S @@ -0,0 +1,38 @@ +/* + * arch/arm/mach-ks8695/include/mach/debug-macro.S + * + * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk> + * Copyright (C) 2006 Simtec Electronics + * + * KS8695 - Debug macros + * + * 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 <mach/hardware.h> +#include <mach/regs-uart.h> + + .macro addruart, rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + ldreq \rx, =KS8695_UART_PA @ physical base address + ldrne \rx, =KS8695_UART_VA @ virtual base address + .endm + + .macro senduart, rd, rx + str \rd, [\rx, #KS8695_URTH] @ Write to Transmit Holding Register + .endm + + .macro busyuart, rd, rx +1001: ldr \rd, [\rx, #KS8695_URLS] @ Read Line Status Register + tst \rd, #URLS_URTE @ Holding & Shift registers empty? + beq 1001b + .endm + + .macro waituart, rd, rx +1001: ldr \rd, [\rx, #KS8695_URLS] @ Read Line Status Register + tst \rd, #URLS_URTHRE @ Holding Register empty? + beq 1001b + .endm |