configs: ti_omap5_common: Add NAND environment settings

Now that NAND is supported on DRA71x include various NAND environment
settings

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

configs/dra7xx_evm_defconfig

@@ -23,13 +23,15 @@ CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_SPL_SYS_MALLOC_SIMPLE=y
 CONFIG_SPL_SEPARATE_BSS=y
 CONFIG_SPL_DMA_SUPPORT=y
-# CONFIG_SPL_NAND_SUPPORT is not set
 CONFIG_SPL_OS_BOOT=y
 CONFIG_SPL_SPI_LOAD=y
 CONFIG_CMD_SPL=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_NAND=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_MTDPARTS=y
+CONFIG_MTDIDS_DEFAULT="nand0=nand.0"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=nand.0:256k(NAND.SPL),256k(NAND.SPL.backup1),256k(NAND.SPL.backup2),256k(NAND.SPL.backup3),256k(NAND.u-boot-spl-os),2m(NAND.u-boot),128k(NAND.u-boot-env),128k(NAND.u-boot-env.backup1),8m(NAND.kernel),-(NAND.file-system)"
 CONFIG_OF_CONTROL=y
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="dra7-evm"

configs/dra7xx_hs_evm_defconfig

@@ -33,7 +33,9 @@ CONFIG_SPL_DMA_SUPPORT=y
 CONFIG_SPL_SPI_LOAD=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_NAND=y
-# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_MTDPARTS=y
+CONFIG_MTDIDS_DEFAULT="nand0=nand.0"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=nand.0:256k(NAND.SPL),256k(NAND.SPL.backup1),256k(NAND.SPL.backup2),256k(NAND.SPL.backup3),256k(NAND.u-boot-spl-os),2m(NAND.u-boot),128k(NAND.u-boot-env),128k(NAND.u-boot-env.backup1),8m(NAND.kernel),-(NAND.file-system)"
 CONFIG_OF_CONTROL=y
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="dra7-evm"

include/configs/dra7xx_evm.h

@@ -133,7 +133,7 @@
 					 50, 51, 52, 53, 54, 55, 56, 57, }
 #define CONFIG_SYS_NAND_ECCSIZE		512
 #define CONFIG_SYS_NAND_ECCBYTES	14
-#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x000c0000
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x00140000
 /* NAND: SPL related configs */
 /* NAND: SPL falcon mode configs */
 #ifdef CONFIG_SPL_OS_BOOT

include/configs/ti_omap5_common.h

@@ -56,6 +56,7 @@
 
 #include <environment/ti/boot.h>
 #include <environment/ti/mmc.h>
+#include <environment/ti/nand.h>
 
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	DEFAULT_LINUX_BOOT_ENV \
@@ -65,6 +66,7 @@
 	DEFAULT_FDT_TI_ARGS \
 	DFUARGS \
 	NETARGS \
+	NANDARGS \
 
 /*
  * SPL related defines.  The Public RAM memory map the ROM defines the
@@ -100,7 +102,6 @@
 
 #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_SDRAM_BASE + \
 					 (128 << 20))
-
 #ifdef CONFIG_SPL_BUILD
 #undef CONFIG_TIMER
 #endif

include/environment/ti/nand.h

@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
+ *
+ * Environment variable definitions for NAND on TI boards.
+ */
+
+#ifdef CONFIG_NAND
+#define NANDARGS \
+	"mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
+	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
+	"nandargs=setenv bootargs console=${console} " \
+		"${optargs} " \
+		"root=${nandroot} " \
+		"rootfstype=${nandrootfstype}\0" \
+	"nandroot=ubi0:rootfs rw ubi.mtd=NAND.file-system,2048\0" \
+	"nandrootfstype=ubifs rootwait=1\0" \
+	"nandboot=echo Booting from nand ...; " \
+		"run nandargs; " \
+		"nand read ${fdtaddr} NAND.u-boot-spl-os; " \
+		"nand read ${loadaddr} NAND.kernel; " \
+		"bootz ${loadaddr} - ${fdtaddr}\0"
+#else
+#define NANDARGS ""
+#endif
+