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authorLee Leahy <leroy.p.leahy@intel.com>2017-03-13 16:37:20 -0700
committerLee Leahy <leroy.p.leahy@intel.com>2017-03-15 05:12:15 +0100
commit70bb05715ad0fa8edecb2185e1c1373c76ee2128 (patch)
treee4906fba38ed957aa678a8b1a6a18241305c8f04 /src/soc
parent36984d85e758bd7b280a835c5c6e5c68b10e82b6 (diff)
downloadcoreboot-70bb05715ad0fa8edecb2185e1c1373c76ee2128.tar.xz
soc/intel/quark: Read the rmu.bin file from read-only region
Always read the rmu.bin file from the read-only section of the SPI flash. Without this change vboot attempts to read this file from the A or B section of the flash. TEST=Build and run on Galileo Gen2 Change-Id: Ied8eaa2cd37645bf401aa957936943946bfd6182 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/18803 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/intel/quark/include/soc/romstage.h1
-rw-r--r--src/soc/intel/quark/romstage/fsp1_1.c14
-rw-r--r--src/soc/intel/quark/romstage/fsp2_0.c14
-rw-r--r--src/soc/intel/quark/romstage/romstage.c30
4 files changed, 43 insertions, 16 deletions
diff --git a/src/soc/intel/quark/include/soc/romstage.h b/src/soc/intel/quark/include/soc/romstage.h
index d6f9186754..43d420e1e7 100644
--- a/src/soc/intel/quark/include/soc/romstage.h
+++ b/src/soc/intel/quark/include/soc/romstage.h
@@ -32,6 +32,7 @@
asmlinkage void *car_stage_c_entry(void);
void clear_smi_and_wake_events(void);
void disable_rom_shadow(void);
+void *locate_rmu_file(size_t *rmu_file_len);
void report_platform_info(void);
int set_base_address_and_enable_uart(u8 bus, u8 dev, u8 func, u32 mmio_base);
void pcie_init(void);
diff --git a/src/soc/intel/quark/romstage/fsp1_1.c b/src/soc/intel/quark/romstage/fsp1_1.c
index 84fc5a55ba..f715f43425 100644
--- a/src/soc/intel/quark/romstage/fsp1_1.c
+++ b/src/soc/intel/quark/romstage/fsp1_1.c
@@ -17,7 +17,6 @@
#include <arch/early_variables.h>
#include <console/console.h>
-#include <cbfs.h>
#include "../chip.h"
#include <fsp/memmap.h>
#include <fsp/util.h>
@@ -82,8 +81,8 @@ void soc_memory_init_params(struct romstage_params *params,
{
const struct device *dev;
const struct soc_intel_quark_config *config;
- char *rmu_file;
- size_t rmu_file_len;
+ void *rmu_data;
+ size_t rmu_data_len;
/* Locate the configuration data from devicetree.cb */
dev = dev_find_slot(0, LPC_DEV_FUNC);
@@ -100,9 +99,8 @@ void soc_memory_init_params(struct romstage_params *params,
clear_smi_and_wake_events();
/* Locate the RMU data file in flash */
- rmu_file = cbfs_boot_map_with_leak("rmu.bin", CBFS_TYPE_RAW,
- &rmu_file_len);
- if (!rmu_file)
+ rmu_data = locate_rmu_file(&rmu_data_len);
+ if (!rmu_data)
die("Microcode file (rmu.bin) not found.");
/* Display the ESRAM layout */
@@ -154,8 +152,8 @@ void soc_memory_init_params(struct romstage_params *params,
upd->Flags = config->Flags;
upd->FspReservedMemoryLength = config->FspReservedMemoryLength;
upd->RankMask = config->RankMask;
- upd->RmuBaseAddress = (uintptr_t)rmu_file;
- upd->RmuLength = rmu_file_len;
+ upd->RmuBaseAddress = (uintptr_t)rmu_data;
+ upd->RmuLength = rmu_data_len;
upd->SerialPortWriteChar = console_log_level(BIOS_SPEW)
? (uintptr_t)fsp_write_line : 0;
upd->SmmTsegSize = IS_ENABLED(CONFIG_HAVE_SMI_HANDLER) ?
diff --git a/src/soc/intel/quark/romstage/fsp2_0.c b/src/soc/intel/quark/romstage/fsp2_0.c
index 4d7f7c9479..d03545d759 100644
--- a/src/soc/intel/quark/romstage/fsp2_0.c
+++ b/src/soc/intel/quark/romstage/fsp2_0.c
@@ -15,7 +15,6 @@
#include <arch/early_variables.h>
#include <console/console.h>
-#include <cbfs.h>
#include <cbmem.h>
#include "../chip.h"
#include <cpu/x86/cache.h>
@@ -92,17 +91,16 @@ void platform_fsp_memory_init_params_cb(FSPM_UPD *fspm_upd, uint32_t version)
FSPM_ARCH_UPD *aupd;
const struct device *dev;
const struct soc_intel_quark_config *config;
- char *rmu_file;
- size_t rmu_file_len;
+ void *rmu_data;
+ size_t rmu_data_len;
FSP_M_CONFIG *upd;
/* Clear SMI and wake events */
clear_smi_and_wake_events();
/* Locate the RMU data file in flash */
- rmu_file = cbfs_boot_map_with_leak("rmu.bin", CBFS_TYPE_RAW,
- &rmu_file_len);
- if (!rmu_file)
+ rmu_data = locate_rmu_file(&rmu_data_len);
+ if (!rmu_data)
die("Microcode file (rmu.bin) not found.");
/* Locate the configuration data from devicetree.cb */
@@ -157,8 +155,8 @@ void platform_fsp_memory_init_params_cb(FSPM_UPD *fspm_upd, uint32_t version)
upd->Flags = config->Flags;
upd->FspReservedMemoryLength = config->FspReservedMemoryLength;
upd->RankMask = config->RankMask;
- upd->RmuBaseAddress = (uintptr_t)rmu_file;
- upd->RmuLength = rmu_file_len;
+ upd->RmuBaseAddress = (uintptr_t)rmu_data;
+ upd->RmuLength = rmu_data_len;
upd->SerialPortWriteChar = console_log_level(BIOS_SPEW)
? (uintptr_t)fsp_write_line : 0;
upd->SmmTsegSize = IS_ENABLED(CONFIG_HAVE_SMI_HANDLER) ?
diff --git a/src/soc/intel/quark/romstage/romstage.c b/src/soc/intel/quark/romstage/romstage.c
index e774993bf2..c5f59c6325 100644
--- a/src/soc/intel/quark/romstage/romstage.c
+++ b/src/soc/intel/quark/romstage/romstage.c
@@ -16,6 +16,7 @@
#define __SIMPLE_DEVICE__
#include <arch/early_variables.h>
+#include <cbfs.h>
#include <console/console.h>
#include <fsp/util.h>
#include <soc/pci_devs.h>
@@ -61,3 +62,32 @@ void disable_rom_shadow(void)
QNC_MSG_FSBIC_REG_HMISC, data);
}
}
+
+void *locate_rmu_file(size_t *rmu_file_len)
+{
+ struct cbfsf fh;
+ size_t fsize;
+ void *rmu_data;
+ uint32_t type;
+
+ /* Locate the rmu.bin file in the read-only region of the flash */
+ type = CBFS_TYPE_RAW;
+ if (cbfs_locate_file_in_region(&fh, "COREBOOT", "rmu.bin", &type))
+ return NULL;
+
+ /* Get the file size */
+ fsize = region_device_sz(&fh.data);
+ if (rmu_file_len != NULL)
+ *rmu_file_len = fsize;
+
+ /* Get the data address */
+ rmu_data = rdev_mmap(&fh.data, 0, fsize);
+
+ /* Since the SPI flash is directly mapped into memory, we do not need
+ * the mapping provided by the rdev service. Unmap the file to prevent
+ * a memory leak. Return/leak the SPI flash address for the rmu.bin
+ * file data which will be directly accessed by FSP MemoryInit.
+ */
+ rdev_munmap(&fh.data, rmu_data);
+ return rmu_data;
+}