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authorSRICHARAN R <r.sricharan@ti.com>2012-03-12 02:25:52 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-05-15 08:31:25 +0200
commit0696473be705287eb728356c79af19b69b60ab09 (patch)
tree61abdeb36ebc99abffb296f0854bb0b01184b15b /arch
parentd417d1db5f9092d125ddea882ced77eaa5f3d236 (diff)
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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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/armv7/omap5/hwinit.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c
index 7da7075..d01cc81 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);
+}