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authorBarry Song <bs14@csr.com>2011-07-08 11:40:13 +0200
committerBarry Song <21cnbao@gmail.com>2011-07-09 01:20:51 +0200
commit31adb06f9d68f9d033284c9ab0e264b2d581bceb (patch)
treee43a95fdfd66d0a5fad0597d00d6e0a0707d4dd2 /arch/arm/mach-prima2/lluart.c
parentARM: CSR: Adding CSR SiRFprimaII board support (diff)
downloadlinux-31adb06f9d68f9d033284c9ab0e264b2d581bceb.tar.xz
linux-31adb06f9d68f9d033284c9ab0e264b2d581bceb.zip
ARM: CSR: mapping early DEBUG_LL uart
Signed-off-by: Barry Song <baohua.song@csr.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-prima2/lluart.c')
-rw-r--r--arch/arm/mach-prima2/lluart.c25
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);
+}