ARM: rmobile: Enable board detection when FIT is enabled

There are three boards from Beacon, RZ/G2 M/N/H which all
use the same board file, but different device trees.
Add code to automatically select the proper device tree
based on the CPU type.

Signed-off-by: Adam Ford <aford173@gmail.com>

diff --git a/board/beacon/beacon-rzg2m/beacon-rzg2m.c b/board/beacon/beacon-rzg2m/beacon-rzg2m.c
index c12ff77..b3521fc 100644 (file)
--- a/board/beacon/beacon-rzg2m/beacon-rzg2m.c
+++ b/board/beacon/beacon-rzg2m/beacon-rzg2m.c
@@ -36,3 +36,19 @@ void reset_cpu(void)
 {
        writel(RST_CODE, RST_CA57RESCNT);
 }
+
+#if IS_ENABLED(CONFIG_MULTI_DTB_FIT)
+int board_fit_config_name_match(const char *name)
+{
+       if (!strcmp(rzg_get_cpu_name(), "R8A774A1") && !strcmp(name, "r8a774a1-beacon-rzg2m-kit"))
+               return 0;
+
+       if (!strcmp(rzg_get_cpu_name(), "R8A774B1") && !strcmp(name, "r8a774b1-beacon-rzg2n-kit"))
+               return 0;
+
+       if (!strcmp(rzg_get_cpu_name(), "R8A774E1") && !strcmp(name, "r8a774e1-beacon-rzg2h-kit"))
+               return 0;
+
+       return -1;
+}
+#endif