[PATCH v1 15/34] include: configs: socfpga: Add environment variables for distro boot

[alif.zakuan.yuslaimi at altera.com]

From: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi at altera.com>

Added environment variables needed to support NAND distro boot

Signed-off-by: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi at altera.com>
---
 include/configs/socfpga_soc64_common.h | 32 +++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/include/configs/socfpga_soc64_common.h b/include/configs/socfpga_soc64_common.h
index 5ed17671f79..f21c9001297 100644
--- a/include/configs/socfpga_soc64_common.h
+++ b/include/configs/socfpga_soc64_common.h
@@ -39,6 +39,9 @@
  * U-Boot environment configurations
  */
 
+#define CFG_SYS_NAND_U_BOOT_SIZE	(1 * 1024 * 1024)
+#define CFG_SYS_NAND_U_BOOT_DST	CONFIG_TEXT_BASE
+
 /*
  * Environment variable
  */
@@ -73,9 +76,31 @@
 #define BOOTENV_DEV_NAME_QSPI(devtypeu, devtypel, instance) \
 	"qspi "
 
+#if IS_ENABLED(CONFIG_CMD_NAND)
+# define BOOT_TARGET_DEVICES_NAND(func)	func(NAND, nand, na)
+#else
+# define BOOT_TARGET_DEVICES_NAND(func)
+#endif
+
+#define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \
+	"bootcmd_nand=ubi detach && " \
+	"setenv mtdids 'nor0=nor0,nand0=nand.0' && " \
+	"setenv mtdparts 'mtdparts=nor0:66m(qspi_uboot),190m(qspi_root);" \
+	"nand.0:2m(u-boot),500m(root)' && " \
+	"env select UBI; saveenv && " \
+	"ubi part root && " \
+	"ubi readvol ${scriptaddr} script && " \
+	"echo NAND: Trying to boot script at ${scriptaddr} && " \
+	"source ${scriptaddr}; " \
+	"echo NAND: SCRIPT FAILED: continuing...; ubi detach;\0"
+
+#define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \
+	"nand "
+
 #define BOOT_TARGET_DEVICES(func) \
 	BOOT_TARGET_DEVICES_MMC(func) \
-	BOOT_TARGET_DEVICES_QSPI(func)
+	BOOT_TARGET_DEVICES_QSPI(func) \
+	BOOT_TARGET_DEVICES_NAND(func)
 
 #include <config_distro_bootcmd.h>
 
@@ -137,6 +162,7 @@
 		" ${qspi_clock}; echo QSPI clock frequency updated; fi; fi\0" \
 	"scriptaddr=0x05FF0000\0" \
 	"scriptfile=boot.scr\0" \
+	"nandroot=ubi0:rootfs\0" \
 	"socfpga_legacy_reset_compat=1\0" \
 	"smc_fid_rd=0xC2000007\0" \
 	"smc_fid_wr=0xC2000008\0" \
@@ -192,6 +218,10 @@
 	"scriptfile=u-boot.scr\0" \
 	"fatscript=if fatload mmc 0:1 ${scriptaddr} ${scriptfile};" \
 		   "then source ${scriptaddr}:script; fi\0" \
+	"nandfitboot=setenv bootargs " CONFIG_BOOTARGS \
+			" root=${nandroot} rw rootwait rootfstype=ubifs ubi.mtd=1; " \
+			"bootm ${loadaddr}\0" \
+	"nandfitload=ubi part root; ubi readvol ${loadaddr} kernel\0" \
 	"socfpga_legacy_reset_compat=1\0" \
 	"smc_fid_rd=0xC2000007\0" \
 	"smc_fid_wr=0xC2000008\0" \
-- 
2.35.3