Change in coreboot[master]: lib/cbfs: Add CBFS_CACHE_ALIGN Kconfig option

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/58706 )

Change subject: lib/cbfs: Add CBFS_CACHE_ALIGN Kconfig option
......................................................................

lib/cbfs: Add CBFS_CACHE_ALIGN Kconfig option

This option will allow platforms to set the alignment of the cbfs_cache
buffers.

BUG=b:179699789
TEST=gdb -ex 'p cbfs_cache' /tmp/coreboot/guybrush/cbfs/fallback/ramstage.debug
$1 = {buf = 0x0, size = 0, alignment = 8, last_alloc = 0x0, second_to_last_alloc = 0x0, free_offset = 0}

Signed-off-by: Raul E Rangel 
Change-Id: I74598d4bcbca9a01cc8c65012d7e4ae341d052b1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58706
Tested-by: build bot (Jenkins) 
Reviewed-by: Karthik Ramasubramanian 
Reviewed-by: Julius Werner 
---
M src/lib/Kconfig
M src/lib/cbfs.c
2 files changed, 8 insertions(+), 2 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Julius Werner: Looks good to me, approved
  Karthik Ramasubramanian: Looks good to me, approved

diff --git a/src/lib/Kconfig b/src/lib/Kconfig
index 0f651b3..41a23b2 100644
--- a/src/lib/Kconfig
+++ b/src/lib/Kconfig
@@ -99,6 +99,12 @@
      lookup must re-read the same CBFS directory entries from flash to find
      the respective file.

+config CBFS_CACHE_ALIGN
+	int
+	default 8
+	help
+	  Sets the alignment of the buffers returned by the cbfs_cache.
+
 config PAYLOAD_PRELOAD
    bool
    depends on COOP_MULTITASKING
diff --git a/src/lib/cbfs.c b/src/lib/cbfs.c
index 7633fdf..1c79b65 100644
--- a/src/lib/cbfs.c
+++ b/src/lib/cbfs.c
@@ -20,7 +20,7 @@

#if ENV_STAGE_HAS_DATA_SECTION
 struct mem_pool cbfs_cache =
-	MEM_POOL_INIT(_cbfs_cache, REGION_SIZE(cbfs_cache), sizeof(uint64_t));
+	MEM_POOL_INIT(_cbfs_cache, REGION_SIZE(cbfs_cache), CONFIG_CBFS_CACHE_ALIGN);
 #else
 struct mem_pool cbfs_cache = MEM_POOL_INIT(NULL, 0, 0);
 #endif
@@ -29,7 +29,7 @@
 {
    if (_preram_cbfs_cache != _postram_cbfs_cache)
    	mem_pool_init(&cbfs_cache, _postram_cbfs_cache, REGION_SIZE(postram_cbfs_cache),
-			      sizeof(uint64_t));
+			      CONFIG_CBFS_CACHE_ALIGN);
 }
 ROMSTAGE_CBMEM_INIT_HOOK(switch_to_postram_cache);

6 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.