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From 379ff04432ffdef234c2f85b1801cf7df2d3d5ee Mon Sep 17 00:00:00 2001
From: Steve Sakoman <steve@sakoman.com>
Date: Tue, 23 Mar 2010 09:06:49 -0700
Subject: [PATCH 15/50] OMAP3: mem.c: enhance the RAM test
---
cpu/arm_cortexa8/omap3/mem.c | 28 +++++++++++++++-------------
1 files changed, 15 insertions(+), 13 deletions(-)
diff --git a/cpu/arm_cortexa8/omap3/mem.c b/cpu/arm_cortexa8/omap3/mem.c
index dfb7e4c..b828097 100644
--- a/cpu/arm_cortexa8/omap3/mem.c
+++ b/cpu/arm_cortexa8/omap3/mem.c
@@ -106,21 +106,23 @@ void make_cs1_contiguous(void)
*******************************************************/
u32 mem_ok(u32 cs)
{
- u32 val1, val2, addr;
+ u32 i, val1, val2, addr, size;
u32 pattern = 0x12345678;
- addr = OMAP34XX_SDRC_CS0 + get_sdr_cs_offset(cs);
-
- writel(0x0, addr + 0x400); /* clear pos A */
- writel(pattern, addr); /* pattern to pos B */
- writel(0x0, addr + 4); /* remove pattern off the bus */
- val1 = readl(addr + 0x400); /* get pos A value */
- val2 = readl(addr); /* get val2 */
+ size = get_sdr_cs_offset(cs);
+ addr = OMAP34XX_SDRC_CS0 + size;
+
+ for (i = 0; i < size; i+=1024) {
+ writel(pattern - i, addr + i);
+ }
- if ((val1 != 0) || (val2 != pattern)) /* see if pos A val changed */
- return 0;
- else
- return 1;
+ for (i = 0; i < size; i+=1024) {
+ val1 = readl(addr + i);
+ if (val1 != (pattern - i)) {
+ return 0;
+ }
+ }
+ return 1;
}
/********************************************************
--
1.6.6.1
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