board: at91sam9x5: add environment var for cpu type

When booting and CPU is detected from cpuid, we also need an environment
variable that will be used in boot commands to load the proper devicetree.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>

diff --git a/board/atmel/at91sam9x5ek/at91sam9x5ek.c b/board/atmel/at91sam9x5ek/at91sam9x5ek.c
index 3bb5cd667e54af202ca09132d28916f26ffb4aa2..0856786a0f8a32012044365c6f2967950234a8b5 100644 (file)
--- a/board/atmel/at91sam9x5ek/at91sam9x5ek.c
+++ b/board/atmel/at91sam9x5ek/at91sam9x5ek.c
@@ -20,6 +20,9 @@ DECLARE_GLOBAL_DATA_PTR;
 /*
  * Miscelaneous platform dependent initialisations
  */
+
+void at91_prepare_cpu_var(void);
+
 #ifdef CONFIG_CMD_NAND
 static void at91sam9x5ek_nand_hw_init(void)
 {
@@ -85,6 +88,7 @@ int board_late_init(void)
 #ifdef CONFIG_DM_VIDEO
        at91_video_show_board_info();
 #endif
+       at91_prepare_cpu_var();
        return 0;
 }
 #endif

diff --git a/board/atmel/common/board.c b/board/atmel/common/board.c
index 8f9b5e137c413b98711a6d25844d76b18bbbc572..fc300a4210bdde3ec98ecb49888f4c770d13f5b0 100644 (file)
--- a/board/atmel/common/board.c
+++ b/board/atmel/common/board.c
@@ -13,6 +13,8 @@
 #define AT91_PDA_EEPROM_ID_LENGTH              5
 #define AT91_PDA_EEPROM_DEFAULT_BUS            0
 
+char *get_cpu_name(void);
+
 void dummy(void)
 {
 }
@@ -66,3 +68,8 @@ void at91_pda_detect(void)
 {
 }
 #endif
+
+void at91_prepare_cpu_var(void)
+{
+       env_set("cpu", get_cpu_name());
+}