[U-Boot] [PATCH 11/13] x86: baytrail: Issue full system reset in reset_cpu()
Bin Meng
bmeng.cn at gmail.com
Mon Oct 12 06:37:45 CEST 2015
With MRC cache enabled, when typing 'reset' in the U-Boot shell,
BayTrail FSP initialization hangs at "Configuring Memory Start":
Setting BootMode to 0
Install PPI: 1F4C6F90-B06B-48D8-A201-BAE5F1CD7D56
Register PPI Notify: F894643D-C449-42D1-8EA8-85BDD8C65BDE
About to call MrcInit();
BayleyBay Platform Type
CurrentMrcData.BootMode = 4
Taking Fastboot path!
Configuring Memory Start...
Changing reset_cpu() to do a full system reset fixes this issue.
Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
---
arch/x86/cpu/baytrail/valleyview.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/x86/cpu/baytrail/valleyview.c b/arch/x86/cpu/baytrail/valleyview.c
index 215e0d0..a009c14 100644
--- a/arch/x86/cpu/baytrail/valleyview.c
+++ b/arch/x86/cpu/baytrail/valleyview.c
@@ -65,3 +65,9 @@ int reserve_arch(void)
#endif
}
#endif
+
+void reset_cpu(ulong addr)
+{
+ /* cold reset */
+ x86_full_reset();
+}
--
1.8.2.1
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