From 0696473be705287eb728356c79af19b69b60ab09 Mon Sep 17 00:00:00 2001
From: SRICHARAN R <r.sricharan@ti.com>
Date: Mon, 12 Mar 2012 02:25:52 +0000
Subject: [PATCH] OMAP5: reset: Use cold reset in case of 5430ES1.0
Warm reset is not functional in case of omap5430ES1.0.
So override the weak reset_cpu function to use
cold reset instead.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
---
arch/arm/cpu/armv7/omap5/hwinit.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c
index 7da7075e1d..d01cc81333 100644
--- a/arch/arm/cpu/armv7/omap5/hwinit.c
+++ b/arch/arm/cpu/armv7/omap5/hwinit.c
@@ -160,3 +160,17 @@ void init_omap_revision(void)
*omap_si_rev = OMAP5430_SILICON_ID_INVALID;
}
}
+
+void reset_cpu(ulong ignored)
+{
+ u32 omap_rev = omap_revision();
+
+ /*
+ * WARM reset is not functional in case of OMAP5430 ES1.0 soc.
+ * So use cold reset in case instead.
+ */
+ if (omap_rev == OMAP5430_ES1_0)
+ writel(PRM_RSTCTRL_RESET << 0x1, PRM_RSTCTRL);
+ else
+ writel(PRM_RSTCTRL_RESET, PRM_RSTCTRL);
+}
--
2.39.5