From ce2deca27acc761ab90a0e79bd31d6816df38960 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Mon, 26 Jun 2006 16:16:24 -0700 Subject: [PATCH] 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 --- arch/arm/plat-omap/sram.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index b7bf09b1b4..aebd06faf2 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", -- 2.39.5