sb/amd/cimx/sb800: Postpone Sb_Poweron_Init() call

With LPC decode enables explicitly set in C env bootblock,
this call can be delayed to happen before AMD_INIT_RESET.

Change-Id: I3a28eaa2cf70b770b022760a2380ded0f43e9a6f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37449
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>
diff --git a/src/northbridge/amd/agesa/family14/state_machine.c b/src/northbridge/amd/agesa/family14/state_machine.c
index df55efa..91a8f70 100644
--- a/src/northbridge/amd/agesa/family14/state_machine.c
+++ b/src/northbridge/amd/agesa/family14/state_machine.c
@@ -29,24 +29,30 @@
 
 void platform_BeforeInitReset(struct sysinfo *cb, AMD_RESET_PARAMS *Reset)
 {
+	if (!boot_cpu())
+		return;
+
+	if (!CONFIG(ROMCC_BOOTBLOCK))
+		sb_Poweron_Init();
+
 	/* Reboots with outb(3,0x92), outb(4,0xcf9) or triple-fault all
 	 * would fail later in AmdInitPost(), when DRAM is already configured
 	 * and C6DramLock bit has been set.
 	 *
 	 * As a workaround, do a hard reset to clear C6DramLock bit.
 	 */
+
 #ifdef __SIMPLE_DEVICE__
 	pci_devfn_t dev = PCI_DEV(0, 0x18, 2);
 #else
 	struct device *dev = pcidev_on_root(0x18, 2);
 #endif
-	if (boot_cpu()) {
-		u32 mct_cfg_lo = pci_read_config32(dev, 0x118);
-		if (mct_cfg_lo & (1<<19)) {
-			printk(BIOS_CRIT, "C6DramLock is set, resetting\n");
-			system_reset();
-		}
+	u32 mct_cfg_lo = pci_read_config32(dev, 0x118);
+	if (mct_cfg_lo & (1<<19)) {
+		printk(BIOS_CRIT, "C6DramLock is set, resetting\n");
+		system_reset();
 	}
+
 }
 
 void platform_BeforeInitEarly(struct sysinfo *cb, AMD_EARLY_PARAMS *Early)