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

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>

1 files changed, 1 insertions, 53 deletions

diff --git a/src/soc/amd/stoneyridge/southbridge.c b/src/soc/amd/stoneyridge/southbridge.c
index ba23e90b58..4436e0ebf0 100644
--- a/src/soc/amd/stoneyridge/southbridge.c
+++ b/src/soc/amd/stoneyridge/southbridge.c
@@ -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)