ARM: CSR: mapping early DEBUG_LL uart

Signed-off-by: Barry Song <baohua.song@csr.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 25 insertions, 0 deletions

diff --git a/arch/arm/mach-prima2/lluart.c b/arch/arm/mach-prima2/lluart.c
new file mode 100644
index 000000000000..a89f9b3c8cc5
--- /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);
+}