ARM: vf610: ddrmc: fix initialization completion detection
The CR80 register has multiple interrupt bits, the code is supposed
to check bit 8 but instead uses a logical and. In most cases this
probably did not affect real operations since at that stage typically
none of the other bits are set.
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
diff --git a/arch/arm/mach-imx/ddrmc-vf610.c b/arch/arm/mach-imx/ddrmc-vf610.c
index 7cc8f5d..9739738 100644
--- a/arch/arm/mach-imx/ddrmc-vf610.c
+++ b/arch/arm/mach-imx/ddrmc-vf610.c
@@ -233,6 +233,7 @@
/* all inits done, start the DDR controller */
writel(DDRMC_CR00_DRAM_CLASS_DDR3 | DDRMC_CR00_START, &ddrmr->cr[0]);
- while (!(readl(&ddrmr->cr[80]) && 0x100))
+ while (!(readl(&ddrmr->cr[80]) & DDRMC_CR80_MC_INIT_COMPLETE))
udelay(10);
+ writel(DDRMC_CR80_MC_INIT_COMPLETE, &ddrmr->cr[81]);
}