commit c7ca8b07fcdd9af739fa3b1bfabe05d0da36c556
author Gong Qianyu <Qianyu.Gong@freescale.com> Mon Oct 26 19:47:56 2015 +0800
committer York Sun <yorksun@freescale.com> Thu Oct 29 10:34:02 2015 -0700
tree c7fb27284b1aee3e208596d4bff2a57d21916aa6
parent 8ef0d5c43841bccc9112e160e96d6498aa94871b

armv8/ls1043ardb: Add sd boot support

Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

board/freescale/ls1043ardb/cpld.c

diff --git a/board/freescale/ls1043ardb/cpld.c b/board/freescale/ls1043ardb/cpld.c
index f29383d..78c2824 100644
--- a/board/freescale/ls1043ardb/cpld.c
+++ b/board/freescale/ls1043ardb/cpld.c
@@ -61,6 +61,21 @@
 	CPLD_WRITE(system_rst, 1);
 }
 
+void cpld_set_sd(void)
+{
+	u16 reg = CPLD_CFG_RCW_SRC_SD;
+	u8 reg5 = (u8)(reg >> 1);
+	u8 reg6 = (u8)(reg & 1);
+
+	cpld_rev_bit(&reg5);
+
+	CPLD_WRITE(soft_mux_on, 1);
+
+	CPLD_WRITE(cfg_rcw_src1, reg5);
+	CPLD_WRITE(cfg_rcw_src2, reg6);
+
+	CPLD_WRITE(system_rst, 1);
+}
 #ifdef DEBUG
 static void cpld_dump_regs(void)
 {
@@ -109,6 +124,8 @@
 			cpld_set_altbank();
 		else if (strcmp(argv[2], "nand") == 0)
 			cpld_set_nand();
+		else if (strcmp(argv[2], "sd") == 0)
+			cpld_set_sd();
 		else
 			cpld_set_defbank();
 #ifdef DEBUG
@@ -128,6 +145,7 @@
 	"reset: reset to default bank\n"
 	"cpld reset altbank: reset to alternate bank\n"
 	"cpld reset nand: reset to boot from NAND flash\n"
+	"cpld reset sd: reset to boot from SD card\n"
 #ifdef DEBUG
 	"cpld dump - display the CPLD registers\n"
 #endif