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| author | Ben Gardner <gardner.ben@gmail.com> | 2016-02-08 12:18:09 -0600 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2016-02-10 16:27:12 +0100 |
| commit | a3e4833e5d30a904319811f420a7896675bfb12b (patch) | |
| tree | 0e9af0b6d356d926a9933f5f546a7f39f97f18ce /src/drivers | |
| parent | b19425b46b0eb24e9b9cd6403d1fbeb68615b66e (diff) | |
| download | coreboot-a3e4833e5d30a904319811f420a7896675bfb12b.tar.xz | |
intel/fsp1_0: Allow the MRC cache to live in a FMAP region
The new option CONFIG_MRC_CACHE_FMAP will cause fastboot_cache.c to
look in the FMAP for a region named "RW_MRC_CACHE" and prevents adding
a CBFS file named "mrc.cache".
Tested on a fsp_baytail-based board.
Change-Id: I248f469c7e3447ac4ec7be32229fbb5584cfd2ed
Signed-off-by: Ben Gardner <gardner.ben@gmail.com>
Reviewed-on: https://review.coreboot.org/13632
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: York Yang <york.yang@intel.com>
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/intel/fsp1_0/Kconfig | 9 | ||||
| -rw-r--r-- | src/drivers/intel/fsp1_0/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/drivers/intel/fsp1_0/fastboot_cache.c | 16 |
3 files changed, 25 insertions, 2 deletions
diff --git a/src/drivers/intel/fsp1_0/Kconfig b/src/drivers/intel/fsp1_0/Kconfig index 28df90e987..6aa89491e4 100644 --- a/src/drivers/intel/fsp1_0/Kconfig +++ b/src/drivers/intel/fsp1_0/Kconfig @@ -68,10 +68,19 @@ config ENABLE_MRC_CACHE This can either be used for fast boot, or just because the FSP wants it to be saved. +config MRC_CACHE_FMAP + bool "Use MRC Cache in FMAP" + depends on ENABLE_MRC_CACHE + default n + help + Use the region "RW_MRC_CACHE" in FMAP instead of "mrc.cache" in CBFS. + You must define a region in your FMAP named "RW_MRC_CACHE". + config MRC_CACHE_SIZE hex "Fast Boot Data Cache Size" default 0x10000 depends on ENABLE_MRC_CACHE + depends on !MRC_CACHE_FMAP help This is the amount of space in NV storage that is reserved for the fast boot data cache storage. diff --git a/src/drivers/intel/fsp1_0/Makefile.inc b/src/drivers/intel/fsp1_0/Makefile.inc index 2c972b4ede..ea8f61e95a 100644 --- a/src/drivers/intel/fsp1_0/Makefile.inc +++ b/src/drivers/intel/fsp1_0/Makefile.inc @@ -31,6 +31,7 @@ fsp.bin-type := fsp endif ifeq ($(CONFIG_ENABLE_MRC_CACHE),y) +ifneq ($(CONFIG_MRC_CACHE_FMAP),y) $(obj)/mrc.cache: dd if=/dev/zero count=1 \ bs=$(shell printf "%d" $(CONFIG_MRC_CACHE_SIZE) ) | \ @@ -41,4 +42,5 @@ mrc.cache-file := $(obj)/mrc.cache mrc.cache-align := 0x10000 mrc.cache-type := mrc_cache endif +endif diff --git a/src/drivers/intel/fsp1_0/fastboot_cache.c b/src/drivers/intel/fsp1_0/fastboot_cache.c index 5c7179e3b9..68150f9379 100644 --- a/src/drivers/intel/fsp1_0/fastboot_cache.c +++ b/src/drivers/intel/fsp1_0/fastboot_cache.c @@ -19,6 +19,7 @@ #include <bootstate.h> #include <console/console.h> #include <cbfs.h> +#include <fmap.h> #include <ip_checksum.h> #include <device/device.h> #include <cbmem.h> @@ -55,11 +56,22 @@ static int is_mrc_cache(struct mrc_data_container *mrc_cache) static u32 get_mrc_cache_region(struct mrc_data_container **mrc_region_ptr) { size_t region_size; - *mrc_region_ptr = cbfs_boot_map_with_leak("mrc.cache", + + if (IS_ENABLED(CONFIG_MRC_CACHE_FMAP)) { + struct region_device rdev; + if (fmap_locate_area_as_rdev("RW_MRC_CACHE", &rdev) == 0) { + *mrc_region_ptr = rdev_mmap_full(&rdev); + return region_device_sz(&rdev); + } + *mrc_region_ptr = NULL; + return 0; + } else { + *mrc_region_ptr = cbfs_boot_map_with_leak("mrc.cache", CBFS_TYPE_MRC_CACHE, ®ion_size); - return region_size; + return region_size; + } } /* |