zynq: Add support to find bootmode
Added support to find the bootmodes by reading
slcr bootmode register. this can be helpful to
autoboot the configurations w.r.t a specified bootmode.
Added this functionality on board_late_init as it's not
needed for normal initializtion part.
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
diff --git a/board/xilinx/zynq/board.c b/board/xilinx/zynq/board.c
index 5119c09..a5b9bde 100644
--- a/board/xilinx/zynq/board.c
+++ b/board/xilinx/zynq/board.c
@@ -12,6 +12,12 @@
DECLARE_GLOBAL_DATA_PTR;
+/* Bootmode setting values */
+#define ZYNQ_BM_MASK 0x0F
+#define ZYNQ_BM_NOR 0x02
+#define ZYNQ_BM_SD 0x05
+#define ZYNQ_BM_JTAG 0x0
+
#ifdef CONFIG_FPGA
Xilinx_desc fpga;
@@ -59,6 +65,25 @@
return 0;
}
+int board_late_init(void)
+{
+ switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
+ case ZYNQ_BM_NOR:
+ setenv("modeboot", "norboot");
+ break;
+ case ZYNQ_BM_SD:
+ setenv("modeboot", "sdboot");
+ break;
+ case ZYNQ_BM_JTAG:
+ setenv("modeboot", "jtagboot");
+ break;
+ default:
+ setenv("modeboot", "");
+ break;
+ }
+
+ return 0;
+}
#ifdef CONFIG_CMD_NET
int board_eth_init(bd_t *bis)