This overwrites the name loaded from the SPL image. It will be different
if there was previously no name provided, or if a more accurate name was
determined by the board variant selection logic. This means that the DT
name in the SPL header now always matches the DT appended to U-Boot.
Acked-by: Maxime Ripard <mrip...@kernel.org>
Reviewed-by: Andre Przywara <andre.przyw...@arm.com>
Signed-off-by: Samuel Holland <sam...@sholland.org>
---
board/sunxi/board.c | 27 ++++++++++++++++++++++++++-
1 file changed, 26 insertions(+), 1 deletion(-)
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index bff5135c1a1..9d0e29788b1 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -331,6 +331,21 @@ static const char *get_spl_dt_name(void)
return NULL;
}
+static void set_spl_dt_name(const char *name)
+{
+ struct boot_file_head *spl = get_spl_header(SPL_ENV_HEADER_VERSION);
+
+ if (spl == INVALID_SPL_HEADER)
+ return;
+
+ /* Promote the header version for U-Boot proper, if needed. */
+ if (spl->spl_signature[3] < SPL_DT_HEADER_VERSION)
+ spl->spl_signature[3] = SPL_DT_HEADER_VERSION;
+
+ strcpy((char *)&spl->string_pool, name);
+ spl->dt_name_offset = offsetof(struct boot_file_head, string_pool);
+}
+
int dram_init(void)
{
struct boot_file_head *spl = get_spl_header(SPL_DRAM_HEADER_VERSION);
@@ -904,6 +919,7 @@ int ft_board_setup(void *blob, struct bd_info *bd)
int board_fit_config_name_match(const char *name)
{
const char *best_dt_name = get_spl_dt_name();
+ int ret;
#ifdef CONFIG_DEFAULT_DEVICE_TREE
if (best_dt_name == NULL)
@@ -941,6 +957,15 @@ int board_fit_config_name_match(const char *name)
}
#endif
- return strcmp(name, best_dt_name);
+ ret = strcmp(name, best_dt_name);
+
+ /*
+ * If one of the FIT configurations matches the most accurate DT name,
+ * update the SPL header to provide that DT name to U-Boot proper.
+ */
+ if (ret == 0)
+ set_spl_dt_name(best_dt_name);
+
+ return ret;
}
#endif
--
2.26.2
