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| author | Tom Rini <trini@ti.com> | 2011-11-18 12:48:01 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-12-06 23:59:38 +0100 |
| commit | 3bd8437dcce211bba51b306a9b71f9eec4a474c2 (patch) | |
| tree | 9ae6c3620f7e8885d1d1478230cb798d5bb3dc6a /arch/arm | |
| parent | 2a04e85870de089018e40828a5238cc413089007 (diff) | |
| download | u-boot-imx-3bd8437dcce211bba51b306a9b71f9eec4a474c2.zip u-boot-imx-3bd8437dcce211bba51b306a9b71f9eec4a474c2.tar.gz u-boot-imx-3bd8437dcce211bba51b306a9b71f9eec4a474c2.tar.bz2 | |
OMAP3: Change mem_ok to clear again after reading back
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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/mem.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap3/mem.c b/arch/arm/cpu/armv7/omap3/mem.c index 2f1efea..2fe5ac7 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; |