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soc/amd: factor out functionality to print last reset source

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Change-Id: I5cec38dac7ea27aa316f5dd4f91ed84627a0f937
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48437
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
This commit is contained in:
Felix Held
2020-12-08 02:07:18 +01:00
parent 20a4874445
commit 37609852f7
7 changed files with 63 additions and 108 deletions
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54
src/soc/amd/stoneyridge/southbridge.c
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@@ -344,62 +344,10 @@ void bootblock_fch_early_init(void)
enable_aoac_devices();
}
static void print_num_status_bits(int num_bits, uint32_t status,
const char *const bit_names[])
{
int i;
if (!status)
return;
for (i = num_bits - 1; i >= 0; i--) {
if (status & (1 << i)) {
if (bit_names[i])
printk(BIOS_DEBUG, "%s ", bit_names[i]);
else
printk(BIOS_DEBUG, "BIT%d ", i);
}
}
}
static void sb_print_pmxc0_status(void)
{
/* PMxC0 S5/Reset Status shows the source of previous reset. */
uint32_t pmxc0_status = pm_read32(PM_RST_STATUS);
static const char *const pmxc0_status_bits[32] = {
[0] = "ThermalTrip",
[1] = "FourSecondPwrBtn",
[2] = "Shutdown",
[3] = "ThermalTripFromTemp",
[4] = "RemotePowerDownFromASF",
[5] = "ShutDownFan0",
[16] = "UserRst",
[17] = "SoftPciRst",
[18] = "DoInit",
[19] = "DoReset",
[20] = "DoFullReset",
[21] = "SleepReset",
[22] = "KbReset",
[23] = "LtReset",
[24] = "FailBootRst",
[25] = "WatchdogIssueReset",
[26] = "RemoteResetFromASF",
[27] = "SyncFlood",
[28] = "HangReset",
[29] = "EcWatchdogRst",
};
printk(BIOS_DEBUG, "PMxC0 STATUS: 0x%x ", pmxc0_status);
print_num_status_bits(ARRAY_SIZE(pmxc0_status_bits), pmxc0_status,
pmxc0_status_bits);
printk(BIOS_DEBUG, "\n");
}
/* After console init */
void bootblock_fch_init(void)
{
sb_print_pmxc0_status();
fch_print_pmxc0_status();
}
void sb_enable(struct device *dev)