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ARM: OMAP: Fix SRAM to use MT_MEMORY instead of MT_DEVICE 

MT_MEMORY is needed in order to execute code in SRAM. Also
need to use section mapping.

Based on a patch by Richard Woodruff.

Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren 2006-06-26 16:16:24 -07:00
parent 83379c81f6
commit ce2deca27a
1 changed files with 3 additions and 6 deletions
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9
arch/arm/plat-omap/sram.c
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@ -158,14 +158,12 @@ static struct map_desc omap_sram_io_desc[] __initdata = {
{ /* .length gets filled in at runtime */
.virtual = OMAP1_SRAM_VA,
.pfn = __phys_to_pfn(OMAP1_SRAM_PA),
.type = MT_DEVICE
.type = MT_MEMORY
}
};
/*
* In order to use last 2kB of SRAM on 1611b, we must round the size
* up to multiple of PAGE_SIZE. We cannot use ioremap for SRAM, as
* clock init needs SRAM early.
* Note that we cannot use ioremap for SRAM, as clock init needs SRAM early.
*/
void __init omap_map_sram(void)
{
@ -185,8 +183,7 @@ void __init omap_map_sram(void)
omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
}
omap_sram_io_desc[0].length = (omap_sram_size + PAGE_SIZE-1)/PAGE_SIZE;
omap_sram_io_desc[0].length *= PAGE_SIZE;
omap_sram_io_desc[0].length = 1024 * 1024; /* Use section desc */
iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc));
printk(KERN_INFO "SRAM: Mapped pa 0x%08lx to va 0x%08lx size: 0x%lx\n",