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x86: Add mrccache support for a 'variable' cache

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Add support for a second cache type, for Apollo Lake.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2019-12-06 21:42:08 -07:00 committed by Bin Meng
parent 515e8174f5
commit 0a0b09b47b
2 changed files with 3 additions and 1 deletions
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1
arch/x86/include/asm/mrccache.h
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@ -30,6 +30,7 @@ struct mrc_region {
/* Types of MRC data */
enum mrc_type_t {
MRC_TYPE_NORMAL,
MRC_TYPE_VAR,
MRC_TYPE_COUNT,
};

3
arch/x86/lib/mrccache.c
View File

@ -241,7 +241,8 @@ int mrccache_get_region(enum mrc_type_t type, struct udevice **devp,
}
/* Find the place where we put the MRC cache */
mrc_node = dev_read_subnode(dev, "rw-mrc-cache");
mrc_node = dev_read_subnode(dev, type == MRC_TYPE_NORMAL ?
"rw-mrc-cache" : "rw-var-mrc-cache");
if (!ofnode_valid(mrc_node))
return log_msg_ret("Cannot find node", -EPERM);