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>

src/cpu/amd/agesa/family14/Makefile.inc

@@ -12,7 +12,6 @@
 #
 
 romstage-y += fixme.c
-romstage-y += romstage.c
 
 ramstage-y += fixme.c
 ramstage-y += chip_name.c

src/cpu/amd/agesa/family14/romstage.c

@@ -1,24 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-
-#include <northbridge/amd/agesa/state_machine.h>
-
-#include <sb_cimx.h>
-
-void platform_once(struct sysinfo *cb)
-{
-	sb_Poweron_Init();
-
-	board_BeforeAgesa(cb);
-}

src/drivers/amd/agesa/romstage.c

@@ -29,11 +29,6 @@
 
 void __weak board_BeforeAgesa(struct sysinfo *cb) { }
 
-void __weak platform_once(struct sysinfo *cb)
-{
-	board_BeforeAgesa(cb);
-}
-
 static void fill_sysinfo(struct sysinfo *cb)
 {
 	memset(cb, 0, sizeof(*cb));
@@ -67,7 +62,7 @@ static void romstage_main(void)
 			timestamp_init(timestamp_get());
 		timestamp_add_now(TS_START_ROMSTAGE);
 
-		platform_once(cb);
+		board_BeforeAgesa(cb);
 
 		console_init();
 	}

src/mainboard/amd/inagua/romstage.c

@@ -15,11 +15,13 @@
 
 #include <northbridge/amd/agesa/state_machine.h>
 #include <superio/smsc/kbc1100/kbc1100.h>
+#include <sb_cimx.h>
 
 #define SERIAL_DEV PNP_DEV(0x2e, SMSCSUPERIO_SP1)
 
 void board_BeforeAgesa(struct sysinfo *cb)
 {
+	sb_Poweron_Init();
 	kbc1100_early_init(0x2e);
 	kbc1100_early_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 }

src/mainboard/amd/persimmon/romstage.c

@@ -16,10 +16,12 @@
 #include <northbridge/amd/agesa/state_machine.h>
 #include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f81865f/f81865f.h>
+#include <sb_cimx.h>
 
 #define SERIAL_DEV PNP_DEV(0x4e, F81865F_SP1)
 
 void board_BeforeAgesa(struct sysinfo *cb)
 {
+	sb_Poweron_Init();
 	fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 }

src/mainboard/amd/south_station/romstage.c

@@ -16,10 +16,12 @@
 #include <northbridge/amd/agesa/state_machine.h>
 #include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f81865f/f81865f.h>
+#include <sb_cimx.h>
 
 #define SERIAL_DEV PNP_DEV(0x4e, F81865F_SP1)
 
 void board_BeforeAgesa(struct sysinfo *cb)
 {
+	sb_Poweron_Init();
 	fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 }

src/mainboard/amd/union_station/romstage.c

@@ -14,7 +14,9 @@
  */
 
 #include <northbridge/amd/agesa/state_machine.h>
+#include <sb_cimx.h>
 
 void board_BeforeAgesa(struct sysinfo *cb)
 {
+	sb_Poweron_Init();
 }

src/mainboard/asrock/e350m1/romstage.c

@@ -16,11 +16,13 @@
 #include <northbridge/amd/agesa/state_machine.h>
 #include <superio/nuvoton/common/nuvoton.h>
 #include <superio/nuvoton/nct5572d/nct5572d.h>
+#include <sb_cimx.h>
 
 #define SERIAL_DEV PNP_DEV(0x2e, NCT5572D_SP1)
 
 
 void board_BeforeAgesa(struct sysinfo *cb)
 {
+	sb_Poweron_Init();
 	nuvoton_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 }

src/mainboard/elmex/pcm205400/romstage.c

@@ -16,10 +16,12 @@
 #include <northbridge/amd/agesa/state_machine.h>
 #include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f81865f/f81865f.h>
+#include <sb_cimx.h>
 
 #define SERIAL_DEV PNP_DEV(0x4e, F81865F_SP1)
 
 void board_BeforeAgesa(struct sysinfo *cb)
 {
+	sb_Poweron_Init();
 	fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 }

src/mainboard/gizmosphere/gizmo/romstage.c

@@ -15,7 +15,9 @@
  */
 
 #include <northbridge/amd/agesa/state_machine.h>
+#include <sb_cimx.h>
 
 void board_BeforeAgesa(struct sysinfo *cb)
 {
+	sb_Poweron_Init();
 }

src/mainboard/jetway/nf81-t56n-lf/romstage.c

@@ -17,11 +17,13 @@
 #include <northbridge/amd/agesa/state_machine.h>
 #include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f71869ad/f71869ad.h>
+#include <sb_cimx.h>
 
 /* Ensure Super I/O config address (i.e., 0x2e or 0x4e) matches that of devicetree.cb */
 #define SERIAL_DEV PNP_DEV(0x2e, F71869AD_SP1)
 
 void board_BeforeAgesa(struct sysinfo *cb)
 {
+	sb_Poweron_Init();
 	fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 }

src/mainboard/lippert/frontrunner-af/romstage.c

@@ -15,10 +15,12 @@
 
 #include <northbridge/amd/agesa/state_machine.h>
 #include <superio/smsc/smscsuperio/smscsuperio.h>
+#include <sb_cimx.h>
 
 #define SERIAL_DEV PNP_DEV(0x4e, SMSCSUPERIO_SP1)
 
 void board_BeforeAgesa(struct sysinfo *cb)
 {
+	sb_Poweron_Init();
 	smscsuperio_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 }

src/mainboard/lippert/toucan-af/romstage.c

@@ -16,10 +16,12 @@
 #include <northbridge/amd/agesa/state_machine.h>
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627dhg/w83627dhg.h>
+#include <sb_cimx.h>
 
 #define SERIAL_DEV PNP_DEV(0x4e, W83627DHG_SP1)
 
 void board_BeforeAgesa(struct sysinfo *cb)
 {
+	sb_Poweron_Init();
 	winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 }

src/mainboard/pcengines/apu1/romstage.c

@@ -21,6 +21,7 @@
 #include <superio/nuvoton/nct5104d/nct5104d.h>
 #include "gpio_ftns.h"
 #include <SB800.h>
+#include <sb_cimx.h>
 
 #define SIO_PORT 0x2e
 #define SERIAL_DEV PNP_DEV(SIO_PORT, NCT5104D_SP1)
@@ -60,6 +61,7 @@ static void early_lpc_init(void)
 
 void board_BeforeAgesa(struct sysinfo *cb)
 {
+	sb_Poweron_Init();
 	early_lpc_init();
 	nuvoton_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 }

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);
-		u32 mct_cfg_lo = pci_read_config32(dev, 0x118);
+	if (mct_cfg_lo & (1<<19)) {
-		if (mct_cfg_lo & (1<<19)) {
+		printk(BIOS_CRIT, "C6DramLock is set, resetting\n");
-			printk(BIOS_CRIT, "C6DramLock is set, resetting\n");
+		system_reset();
-			system_reset();
-		}
 	}
+
 }
 
 void platform_BeforeInitEarly(struct sysinfo *cb, AMD_EARLY_PARAMS *Early)

src/northbridge/amd/agesa/state_machine.h

@@ -45,7 +45,6 @@ struct sysinfo
 };
 
 void board_BeforeAgesa(struct sysinfo *cb);
-void platform_once(struct sysinfo *cb);
 
 void agesa_set_interface(struct sysinfo *cb);