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authorHaojian Zhuang <haojian.zhuang@linaro.org>2013-04-10 11:17:04 +0800
committerHaojian Zhuang <haojian.zhuang@linaro.org>2013-04-11 10:02:31 +0800
commit0a43cd3b1cc1b7e1dfc461cf55b414610d038769 (patch)
tree4a15a84bd2b9906b53431fbf30a4ff0770c141db /arch/arm/include
parent8cdde3386628266347334579a44b1c9dad9b9d1d (diff)
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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.S33
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>
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