diff options
author | Subrata Banik <subrata.banik@intel.com> | 2016-07-24 00:36:12 +0530 |
---|---|---|
committer | Andrey Petrov <andrey.petrov@intel.com> | 2016-07-28 05:15:58 +0200 |
commit | e4a8537ce20d801a5985ba6268ae83593063a4bf (patch) | |
tree | efdc7dcf51a9b91f8d4f6f8db9c8a0ef951ca62d /src/soc/intel/skylake/bootblock/pch.c | |
parent | 68d5d8b28ab399b8dfb8ef6477d25311a319f2d5 (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.c | 18 |
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(); } |