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| author | Tony Lindgren <tony@atomide.com> | 2006-06-26 16:16:24 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2006-06-26 16:16:24 -0700 |
| commit | ce2deca27acc761ab90a0e79bd31d6816df38960 (patch) | |
| tree | c5c6e2c6b192592593c4787c42d6320671cc2fc3 /arch | |
| parent | 83379c81f6f05a6e80db66ae33378feb4cbca6b3 (diff) | |
| download | talos-obmc-linux-ce2deca27acc761ab90a0e79bd31d6816df38960.tar.gz talos-obmc-linux-ce2deca27acc761ab90a0e79bd31d6816df38960.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/plat-omap/sram.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index b7bf09b1b412..aebd06faf2cf 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -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", |
