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ARM: ux500: ioremap differences for DB9540
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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@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Michel Jaouen authored and Linus Walleij committed May 1, 2012
1 parent bc71c09 commit ee9581d
Showing 1 changed file with 17 additions and 1 deletion.
18 changes: 17 additions & 1 deletion arch/arm/mach-ux500/cpu-db8500.c
Original file line number Diff line number Diff line change
Expand Up @@ -49,12 +49,23 @@ 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)
Expand All @@ -68,6 +79,11 @@ 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);
}

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