[PATCH] ARM: ux500: ioremap differences for DB9540
Linus Walleij
linus.walleij at stericsson.com
Wed Feb 1 04:34:39 EST 2012
From: Michel Jaouen <michel.jaouen at stericsson.com>
The DB9540 ASIC has bigger PRCMU and PRCMU TCDM memories,
so create a separate mapping table for these.
Signed-off-by: Michel Jaouen <michel.jaouen at stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
arch/arm/mach-ux500/cpu-db8500.c | 18 +++++++++++++++++-
1 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index c6ceea3..b04acaf 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -48,12 +48,23 @@ static struct map_desc u8500_common_io_desc[] __initdata = {
__IO_DEV_DESC(U8500_CLKRST5_BASE, SZ_4K),
__IO_DEV_DESC(U8500_CLKRST6_BASE, SZ_4K),
- __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K),
__IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K),
__IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K),
__IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K),
__IO_DEV_DESC(U8500_GPIO3_BASE, SZ_4K),
+};
+
+/* U8500 IO map specific description */
+static struct map_desc u8500_io_desc[] __initdata = {
+ __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K),
__IO_DEV_DESC(U8500_PRCMU_TCDM_BASE, SZ_4K),
+
+};
+
+/* U9540 IO map specific description */
+static struct map_desc u9540_io_desc[] __initdata = {
+ __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K + SZ_8K),
+ __IO_DEV_DESC(U8500_PRCMU_TCDM_BASE, SZ_4K + SZ_8K),
};
void __init u8500_map_io(void)
@@ -67,6 +78,11 @@ void __init u8500_map_io(void)
iotable_init(u8500_common_io_desc, ARRAY_SIZE(u8500_common_io_desc));
+ if (cpu_is_u9540())
+ iotable_init(u9540_io_desc, ARRAY_SIZE(u9540_io_desc));
+ else
+ iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc));
+
_PRCMU_BASE = __io_address(U8500_PRCMU_BASE);
}
--
1.7.8
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