[PATCH 2/3] ARM: CSR: mapping early DEBUG_LL uart

[Barry Song]

Signed-off-by: Barry Song <bs14 at csr.com>
---
 arch/arm/mach-prima2/Makefile |    1 +
 arch/arm/mach-prima2/lluart.c |   25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-prima2/lluart.c

diff --git a/arch/arm/mach-prima2/Makefile b/arch/arm/mach-prima2/Makefile
index d44f7ae..f2fba66 100644
--- a/arch/arm/mach-prima2/Makefile
+++ b/arch/arm/mach-prima2/Makefile
@@ -3,3 +3,4 @@ obj-y += irq.o
 obj-y += clock.o
 obj-y += rstc.o
 obj-y += prima2.o
+obj-$(CONFIG_DEBUG_LL) += lluart.o
diff --git a/arch/arm/mach-prima2/lluart.c b/arch/arm/mach-prima2/lluart.c
new file mode 100644
index 0000000..a89f9b3
--- /dev/null
+++ b/arch/arm/mach-prima2/lluart.c
@@ -0,0 +1,25 @@
+/*
+ * Static memory mapping for DEBUG_LL
+ *
+ * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include <linux/kernel.h>
+#include <asm/page.h>
+#include <asm/mach/map.h>
+#include <mach/map.h>
+#include <mach/uart.h>
+
+void __init sirfsoc_map_lluart(void)
+{
+	struct map_desc sirfsoc_lluart_map = {
+		.virtual        = SIRFSOC_UART1_VA_BASE,
+		.pfn            = __phys_to_pfn(SIRFSOC_UART1_PA_BASE),
+		.length         = SIRFSOC_UART1_SIZE,
+		.type           = MT_DEVICE,
+	};
+
+	iotable_init(&sirfsoc_lluart_map, 1);
+}
-- 
1.7.1



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