[PATCH v4 13/13] board: starfive: spl: Support multiple DTBs for JH7110 based boards

[Hal Feng <hal.feng@starfivetech.com>]

Get product ID and the other information from EEPROM, use them to select
the correct DTB.

Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
---
 board/starfive/visionfive2/spl.c | 33 ++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

diff --git a/board/starfive/visionfive2/spl.c b/board/starfive/visionfive2/spl.c
index cf7f39d5c5..22afd76c6b 100644
--- a/board/starfive/visionfive2/spl.c
+++ b/board/starfive/visionfive2/spl.c
@@ -113,7 +113,36 @@ void board_init_f(ulong dummy)
 #if CONFIG_IS_ENABLED(LOAD_FIT)
 int board_fit_config_name_match(const char *name)
 {
-	/* boot using first FIT config */
-	return 0;
+	const char *product_id;
+	u8 version;
+
+	product_id = get_product_id_from_eeprom();
+
+	if (!strncmp(product_id, "VF7110", 6)) {
+		version = get_pcb_revision_from_eeprom();
+		if ((version == 'b' || version == 'B') &&
+		    !strcmp(name, "jh7110-starfive-visionfive-2-v1.3b"))
+			return 0;
+
+		if ((version == 'a' || version == 'A') &&
+		    !strcmp(name, "jh7110-starfive-visionfive-2-v1.2a"))
+			return 0;
+	} else if (!strncmp(product_id, "MARS", 4) &&
+		   !strcmp(name, "jh7110-milkv-mars")) {
+		return 0;
+	} else if (!strncmp(product_id, "MARC", 4)) {
+		if (!get_mmc_size_from_eeprom()) {
+			if (!strcmp(name, "jh7110-milkv-mars-cm-lite"))
+				return 0;
+		} else {
+			if (!strcmp(name, "jh7110-milkv-mars-cm"))
+				return 0;
+		}
+	} else if (!strncmp(product_id, "STAR64", 6) &&
+		   !strcmp(name, "jh7110-pine64-star64")) {
+		return 0;
+	}
+
+	return -EINVAL;
 }
 #endif
-- 
2.43.2