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| author | Haojian Zhuang <haojian.zhuang@linaro.org> | 2013-04-10 05:17:04 +0200 |
|---|---|---|
| committer | Haojian Zhuang <haojian.zhuang@linaro.org> | 2013-04-11 04:02:31 +0200 |
| commit | 0a43cd3b1cc1b7e1dfc461cf55b414610d038769 (patch) | |
| tree | 4a15a84bd2b9906b53431fbf30a4ff0770c141db /arch/arm/include | |
| parent | ARM: pxa: select PXA935 on saar & tavorevb (diff) | |
| download | linux-0a43cd3b1cc1b7e1dfc461cf55b414610d038769.tar.xz linux-0a43cd3b1cc1b7e1dfc461cf55b414610d038769.zip | |
ARM: pxa: move debug uart code
Move debug uart code from mach-pxa/mach-mmp to debug directory.
Since they are similar, merge them together.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Eric Mico <eric.y.miao@gmail.com>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/debug/pxa.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/include/debug/pxa.S b/arch/arm/include/debug/pxa.S new file mode 100644 index 000000000000..e1e795aa3d7f --- /dev/null +++ b/arch/arm/include/debug/pxa.S @@ -0,0 +1,33 @@ +/* + * Early serial output macro for Marvell PXA/MMP SoC + * + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * Copyright (C) 2013 Haojian Zhuang + * + * 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. +*/ + +#if defined(CONFIG_DEBUG_PXA_UART1) +#define PXA_UART_REG_PHYS_BASE 0x40100000 +#define PXA_UART_REG_VIRT_BASE 0xf2100000 +#elif defined(CONFIG_DEBUG_MMP_UART2) +#define PXA_UART_REG_PHYS_BASE 0xd4017000 +#define PXA_UART_REG_VIRT_BASE 0xfe017000 +#elif defined(CONFIG_DEBUG_MMP_UART3) +#define PXA_UART_REG_PHYS_BASE 0xd4018000 +#define PXA_UART_REG_VIRT_BASE 0xfe018000 +#else +#error "Select uart for DEBUG_LL" +#endif + + .macro addruart, rp, rv, tmp + ldr \rp, =PXA_UART_REG_PHYS_BASE + ldr \rv, =PXA_UART_REG_VIRT_BASE + .endm + +#define UART_SHIFT 2 +#include <asm/hardware/debug-8250.S> |