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| author | Aaron Durbin <adurbin@chromium.org> | 2017-08-01 10:27:10 -0600 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2017-08-04 04:29:57 +0000 |
| commit | dfdea2aa40ab5bebea580601f6cef70bec25e177 (patch) | |
| tree | 23682d5d296c79f2a2bb71c98b4fd5300fdea99f /src/include/cbmem.h | |
| parent | 403fdbc2265fc1192798cec0878c8e9b587732e3 (diff) | |
| download | coreboot-dfdea2aa40ab5bebea580601f6cef70bec25e177.tar.xz | |
lib/cbmem: provide optional cbmem top initialization hook
Provide a hook to allow an optional one-time cbmem_top() initialization.
The new function, cbmem_top_init(), is called on the first expected
initialization of cbmem based on the Kconfig options LATE_CBMEM_INIT
and EARLY_CBMEM_INIT.
Change-Id: I89edd2d11f226217c8e2aaca829b4f375a2cff28
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: John Zhao <john.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/20847
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/include/cbmem.h')
| -rw-r--r-- | src/include/cbmem.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/include/cbmem.h b/src/include/cbmem.h index b2d2a8be6c..007bc54b76 100644 --- a/src/include/cbmem.h +++ b/src/include/cbmem.h @@ -64,6 +64,11 @@ int cbmem_initialize_id_size(u32 id, u64 size); void cbmem_initialize_empty(void); void cbmem_initialize_empty_id_size(u32 id, u64 size); +/* Optional hook for platforms to initialize cbmem_top() value. When employed + * it's called a single time during boot at cbmem initialization/recovery + * time. */ +void cbmem_top_init(void); + /* Return the top address for dynamic cbmem. The address returned needs to * be consistent across romstage and ramstage, and it is required to be * below 4GiB. |