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authorSubrata Banik <subrata.banik@intel.com>2018-05-08 11:58:01 +0530
committerSubrata Banik <subrata.banik@intel.com>2018-05-31 04:27:28 +0000
commitc51df93ccfefb1a5d1dd763d5b8f400c928593a0 (patch)
tree2b966ea7559e7841967af2486657b6715214c8e4 /src/soc
parentcea7e8bdefbc359f9ad04ea3dfe8f3e1d3e13369 (diff)
downloadcoreboot-c51df93ccfefb1a5d1dd763d5b8f400c928593a0.tar.xz
soc/intel/skylake: Select common P2SB code
This patch select CONFIG_SOC_INTEL_COMMON_BLOCK_P2SB to include common p2sb code block. BUG=b:78109109 BRANCH=none TEST=Build and boot EVE. Change-Id: I3f6aa6398e409a05a35766fb7aeb3aa221dd3970 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/26165 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/intel/skylake/Kconfig1
-rw-r--r--src/soc/intel/skylake/finalize.c42
-rw-r--r--src/soc/intel/skylake/include/soc/iomap.h3
3 files changed, 24 insertions, 22 deletions
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig
index 326b84722a..c275b5db45 100644
--- a/src/soc/intel/skylake/Kconfig
+++ b/src/soc/intel/skylake/Kconfig
@@ -71,6 +71,7 @@ config CPU_SPECIFIC_OPTIONS
select SOC_INTEL_COMMON_BLOCK_ITSS
select SOC_INTEL_COMMON_BLOCK_LPC
select SOC_INTEL_COMMON_BLOCK_LPSS
+ select SOC_INTEL_COMMON_BLOCK_P2SB
select SOC_INTEL_COMMON_BLOCK_PCIE
select SOC_INTEL_COMMON_BLOCK_PCR
select SOC_INTEL_COMMON_BLOCK_PMC
diff --git a/src/soc/intel/skylake/finalize.c b/src/soc/intel/skylake/finalize.c
index 25b7484eca..e640ceb40a 100644
--- a/src/soc/intel/skylake/finalize.c
+++ b/src/soc/intel/skylake/finalize.c
@@ -22,6 +22,7 @@
#include <cpu/x86/smm.h>
#include <device/pci.h>
#include <intelblocks/lpc_lib.h>
+#include <intelblocks/p2sb.h>
#include <intelblocks/pcr.h>
#include <reg_script.h>
#include <spi-generic.h>
@@ -39,7 +40,8 @@
#define PCR_PSFX_T0_SHDW_PCIEN 0x1C
#define PCR_PSFX_T0_SHDW_PCIEN_FUNDIS (1 << 8)
-static void pch_configure_endpoints(device_t dev, int epmask_id, uint32_t mask)
+static void pch_configure_endpoints(struct device *dev, int epmask_id,
+ uint32_t mask)
{
uint32_t reg32;
@@ -47,14 +49,11 @@ static void pch_configure_endpoints(device_t dev, int epmask_id, uint32_t mask)
pci_write_config32(dev, PCH_P2SB_EPMASK(epmask_id), reg32 | mask);
}
-static void disable_sideband_access(void)
+static void disable_sideband_access(struct device *dev)
{
- device_t dev;
u8 reg8;
uint32_t mask;
- dev = PCH_DEV_P2SB;
-
/*
* Set p2sb PCI offset EPMASK5 C4h [29, 28, 27, 26] to disable Sideband
* access for PCI Root Bridge.
@@ -77,12 +76,12 @@ static void disable_sideband_access(void)
pci_write_config8(dev, PCH_P2SB_E0 + 2, reg8 | (1 << 1));
/* hide p2sb device */
- pci_write_config8(dev, PCH_P2SB_E0 + 1, 1);
+ p2sb_hide();
}
static void pch_disable_heci(void)
{
- device_t dev = PCH_DEV_P2SB;
+ struct device *dev = PCH_DEV_P2SB;
/*
* if p2sb device 1f.1 is not present or hidden in devicetree
@@ -92,18 +91,17 @@ static void pch_disable_heci(void)
return;
/* unhide p2sb device */
- pci_write_config8(dev, PCH_P2SB_E0 + 1, 0);
+ p2sb_unhide();
/* disable heci */
pcr_or32(PID_PSF1, PSF_BASE_ADDRESS + PCR_PSFX_T0_SHDW_PCIEN,
PCR_PSFX_T0_SHDW_PCIEN_FUNDIS);
- disable_sideband_access();
+ disable_sideband_access(dev);
}
-static void pch_finalize_script(void)
+static void pch_finalize_script(struct device *dev)
{
- device_t dev;
uint32_t reg32;
uint8_t *pmcbase;
config_t *config;
@@ -112,7 +110,6 @@ static void pch_finalize_script(void)
/* Display me status before we hide it */
intel_me_status();
- dev = PCH_DEV_PMC;
pmcbase = pmc_mmio_regs();
config = dev->chip_info;
@@ -150,18 +147,11 @@ static void pch_finalize_script(void)
pch_disable_heci();
}
-static void soc_lockdown(void)
+static void soc_lockdown(struct device *dev)
{
struct soc_intel_skylake_config *config;
- struct device *dev;
u8 reg8;
- dev = PCH_DEV_PMC;
-
- /* Check if PMC is enabled, else return */
- if (dev == NULL || dev->chip_info == NULL)
- return;
-
config = dev->chip_info;
/* Global SMI Lock */
@@ -174,11 +164,19 @@ static void soc_lockdown(void)
static void soc_finalize(void *unused)
{
+ struct device *dev;
+
+ dev = PCH_DEV_PMC;
+
+ /* Check if PMC is enabled, else return */
+ if (dev == NULL || dev->chip_info == NULL)
+ return;
+
printk(BIOS_DEBUG, "Finalizing chipset.\n");
- pch_finalize_script();
+ pch_finalize_script(dev);
- soc_lockdown();
+ soc_lockdown(dev);
printk(BIOS_DEBUG, "Finalizing SMM.\n");
outb(APM_CNT_FINALIZE, APM_CNT);
diff --git a/src/soc/intel/skylake/include/soc/iomap.h b/src/soc/intel/skylake/include/soc/iomap.h
index 37d1d6b270..f2fde715f7 100644
--- a/src/soc/intel/skylake/include/soc/iomap.h
+++ b/src/soc/intel/skylake/include/soc/iomap.h
@@ -90,4 +90,7 @@
#define TCO_BASE_ADDDRESS 0x400
#define TCO_BASE_SIZE 0x20
+#define P2SB_BAR CONFIG_PCR_BASE_ADDRESS
+#define P2SB_SIZE (16 * MiB)
+
#endif