soc/intel/broadwell: Relocate PCH finalisation code

Change-Id: I94a4194e935fddb99645ed2929bdd70583c2fd5b
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46709
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

2 files changed, 52 insertions, 0 deletions

diff --git a/src/soc/intel/broadwell/pch/Makefile.inc b/src/soc/intel/broadwell/pch/Makefile.inc
index 7e5c65aa76..1c196136c4 100644
--- a/src/soc/intel/broadwell/pch/Makefile.inc
+++ b/src/soc/intel/broadwell/pch/Makefile.inc
@@ -3,6 +3,7 @@ bootblock-y += bootblock.c
 ramstage-y += adsp.c
 romstage-y += early_pch.c
 ramstage-$(CONFIG_ELOG) += elog.c
+ramstage-y += finalize.c
 ramstage-y += gpio.c
 romstage-y += gpio.c
 smm-y      += gpio.c
diff --git a/src/soc/intel/broadwell/pch/finalize.c b/src/soc/intel/broadwell/pch/finalize.c
new file mode 100644
index 0000000000..37afded317
--- /dev/null
+++ b/src/soc/intel/broadwell/pch/finalize.c
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/pci_ops.h>
+#include <reg_script.h>
+#include <spi-generic.h>
+#include <soc/pci_devs.h>
+#include <soc/lpc.h>
+#include <soc/pch.h>
+#include <soc/rcba.h>
+#include <soc/spi.h>
+#include <southbridge/intel/common/spi.h>
+
+const struct reg_script pch_finalize_script[] = {
+#if !CONFIG(EM100PRO_SPI_CONSOLE)
+	/* Lock SPIBAR */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + SPIBAR_OFFSET + SPIBAR_HSFS,
+		      SPIBAR_HSFS_FLOCKDN),
+#endif
+
+	/* TC Lockdown */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x0050, (1 << 31)),
+
+	/* BIOS Interface Lockdown */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + GCS, (1 << 0)),
+
+	/* Function Disable SUS Well Lockdown */
+	REG_MMIO_OR8(RCBA_BASE_ADDRESS + FDSW, (1 << 7)),
+
+	/* Global SMI Lock */
+	REG_PCI_OR16(GEN_PMCON_1, SMI_LOCK),
+
+	/* GEN_PMCON Lock */
+	REG_PCI_OR8(GEN_PMCON_LOCK, SLP_STR_POL_LOCK | ACPI_BASE_LOCK),
+
+	/* PMSYNC */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + PMSYNC_CONFIG, (1 << 31)),
+
+	REG_SCRIPT_END
+};
+
+void broadwell_pch_finalize(void)
+{
+	spi_finalize_ops();
+	reg_script_run_on_dev(PCH_DEV_LPC, pch_finalize_script);
+
+	/* Lock */
+	RCBA32_OR(0x3a6c, 0x00000001);
+
+	/* Read+Write this R/WO register */
+	RCBA32(LCAP) = RCBA32(LCAP);
+}