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fmap: new API using region_device

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Instead of being pointer based use the region infrastrucutre.
Additionally, this removes the need for arch-specific compilation
paths. The users of the new API can use the region APIs to memory
map or read the region provided by the new fmap API.

Change-Id: Ie36e9ff9cb554234ec394b921f029eeed6845aee
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9170
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Aaron Durbin
2015-03-28 23:56:22 -05:00
parent b6981c0f9c
commit 0424c95a6d
16 changed files with 293 additions and 147 deletions
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27
src/soc/intel/common/mrc_cache.c
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@ -20,10 +20,8 @@
#include <string.h>
#include <console/console.h>
#include <cbmem.h>
#include <fmap.h>
#include <ip_checksum.h>
#if CONFIG_CHROMEOS
#include <vendorcode/google/chromeos/fmap.h>
#endif
#include "mrc_cache.h"
#define MRC_DATA_ALIGN 0x1000
@ -39,16 +37,23 @@ struct mrc_data_region {
/* common code */
static int mrc_cache_get_region(struct mrc_data_region *region)
{
#if CONFIG_CHROMEOS
int ret;
ret = find_fmap_entry("RW_MRC_CACHE", &region->base);
if (ret >= 0) {
region->size = ret;
if (IS_ENABLED(CONFIG_CHROMEOS)) {
struct region_device rdev;
if (fmap_locate_area_as_rdev("RW_MRC_CACHE", &rdev))
return -1;
region->size = region_device_sz(&rdev);
region->base = rdev_mmap_full(&rdev);
if (region->base == NULL)
return -1;
return 0;
} else {
region->base = (void *)CONFIG_MRC_SETTINGS_CACHE_BASE;
region->size = CONFIG_MRC_SETTINGS_CACHE_SIZE;
}
#endif
region->base = (void *)CONFIG_MRC_SETTINGS_CACHE_BASE;
region->size = CONFIG_MRC_SETTINGS_CACHE_SIZE;
return 0;
}