Patchwork [U-Boot,v3,03/12] OMAP3: Change mem_ok to clear again after reading back

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Submitter Tom Rini
Date Nov. 9, 2011, 5:10 p.m.
Message ID <1320858666-17113-4-git-send-email-trini@ti.com>
Download mbox | patch
Permalink /patch/124618/
State Superseded
Delegated to: Sandeep Paulraj
Headers show

Comments

Tom Rini - Nov. 9, 2011, 5:10 p.m.
It's possible to need to call this function on the same banks multiple
times so we want to be sure that 'pos A' is cleared out again at the
end.

Signed-off-by: Tom Rini <trini@ti.com>
---
 arch/arm/cpu/armv7/omap3/mem.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

Patch

diff --git a/arch/arm/cpu/armv7/omap3/mem.c b/arch/arm/cpu/armv7/omap3/mem.c
index a01c303..cd5fe5c 100644
--- a/arch/arm/cpu/armv7/omap3/mem.c
+++ b/arch/arm/cpu/armv7/omap3/mem.c
@@ -86,6 +86,7 @@  u32 mem_ok(u32 cs)
 	writel(0x0, addr + 4);		/* remove pattern off the bus */
 	val1 = readl(addr + 0x400);	/* get pos A value */
 	val2 = readl(addr);		/* get val2 */
+	writel(0x0, addr + 0x400);	/* clear pos A */
 
 	if ((val1 != 0) || (val2 != pattern))	/* see if pos A val changed */
 		return 0;