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x86: Add debugging when cpu_common_init() fails

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Add a debug() at this point to help figure out what is wrong.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass
2016-07-25 18:58:59 -06:00
committed by Bin Meng
parent e6294e0579
commit 4cc00f0611
1 changed files with 3 additions and 1 deletions
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4
arch/x86/cpu/ivybridge/cpu.c
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@@ -146,8 +146,10 @@ int print_cpuinfo(void)
} }
ret = cpu_common_init(); ret = cpu_common_init();
if (ret) if (ret) {
debug("%s: cpu_common_init() failed\n", __func__);
return ret; return ret;
}
/* Check PM1_STS[15] to see if we are waking from Sx */ /* Check PM1_STS[15] to see if we are waking from Sx */
pm1_sts = inw(DEFAULT_PMBASE + PM1_STS); pm1_sts = inw(DEFAULT_PMBASE + PM1_STS);