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authorSubrata Banik <subrata.banik@intel.com>2016-07-24 00:36:12 +0530
committerAndrey Petrov <andrey.petrov@intel.com>2016-07-28 05:15:58 +0200
commite4a8537ce20d801a5985ba6268ae83593063a4bf (patch)
treeefdc7dcf51a9b91f8d4f6f8db9c8a0ef951ca62d /src/soc/intel/skylake/bootblock/pch.c
parent68d5d8b28ab399b8dfb8ef6477d25311a319f2d5 (diff)
soc/intel/skylake: Add C entry bootblock support
List of activity performing in this patch - early PCH programming - early SA programming - early CPU programming - mainborad early gpio programming for UART and SPI - car setup - move chipset programming from verstage to post console BUG=chrome-os-partner:55357 BRANCH=none TEST=Built and booted kunimitsu till POST code 0x34 Change-Id: If20ab869de62cd4439f3f014f9362ccbec38e143 Signed-off-by: Barnali Sarkar <barnali.sarkar@intel.com> Signed-off-by: Naveen Krishna Chatradhi <naveenkrishna.ch@intel.com> Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com> Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/15785 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/intel/skylake/bootblock/pch.c')
-rw-r--r--src/soc/intel/skylake/bootblock/pch.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/src/soc/intel/skylake/bootblock/pch.c b/src/soc/intel/skylake/bootblock/pch.c
index 94ed844d3b..569611502e 100644
--- a/src/soc/intel/skylake/bootblock/pch.c
+++ b/src/soc/intel/skylake/bootblock/pch.c
@@ -3,6 +3,7 @@
*
* Copyright (C) 2014 Google Inc.
* Copyright (C) 2015 Intel Corporation.
+ * Copyright (C) 2016 Intel Corporation.
*
* 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
@@ -14,9 +15,11 @@
* GNU General Public License for more details.
*/
#include <arch/io.h>
+#include <soc/bootblock.h>
#include <soc/iomap.h>
#include <soc/lpc.h>
#include <soc/pci_devs.h>
+#include <soc/pcr.h>
#include <soc/spi.h>
/*
@@ -51,8 +54,21 @@ static void enable_spibar(void)
pci_write_config8(dev, PCI_COMMAND, pcireg);
}
-static void bootblock_southbridge_init(void)
+static void enable_p2sbbar(void)
+{
+ device_t dev = PCH_DEV_P2SB;
+
+ /* Enable PCR Base address in PCH */
+ pci_write_config32(dev, PCI_BASE_ADDRESS_0, PCH_PCR_BASE_ADDRESS);
+
+ /* Enable P2SB MSE */
+ pci_write_config8(dev, PCI_COMMAND,
+ PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
+}
+
+void bootblock_pch_early_init(void)
{
enable_spibar();
enable_spi_prefetch();
+ enable_p2sbbar();
}