"nandrootfstype=ubifs rootwait=1\0" \
"nandsrcaddr=0x280000\0" \
"nandimgsize=0x500000\0" \
+ "rootpath=/export/rootfs\0" \
+ "nfsopts=nolock\0" \
+ "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
+ "::off\0" \
"ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \
"ramrootfstype=ext2\0" \
"mmcargs=setenv bootargs console=${console} " \
"${optargs} " \
"root=${nandroot} " \
"rootfstype=${nandrootfstype}\0" \
+ "spiroot=/dev/mtdblock4 rw\0" \
+ "spirootfstype=jffs2\0" \
+ "spisrcaddr=0xe0000\0" \
+ "spiimgsize=0x362000\0" \
+ "spibusno=0\0" \
+ "spiargs=setenv bootargs console=${console} " \
+ "${optargs} " \
+ "root=${spiroot} " \
+ "rootfstype=${spirootfstype}\0" \
+ "netargs=setenv bootargs console=${console} " \
+ "${optargs} " \
+ "root=/dev/nfs " \
+ "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
+ "ip=dhcp\0" \
"bootenv=uEnv.txt\0" \
"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
"importbootenv=echo Importing environment from mmc ...; " \
"run nandargs; " \
"nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \
"bootm ${loadaddr}\0" \
+ "spiboot=echo Booting from spi ...; " \
+ "run spiargs; " \
+ "sf probe ${spibusno}:0; " \
+ "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
+ "bootm ${loadaddr}\0" \
+ "netboot=echo Booting from network ...; " \
+ "setenv autoload no; " \
+ "dhcp; " \
+ "tftp ${loadaddr} ${bootfile}; " \
+ "run netargs; " \
+ "bootm ${loadaddr}\0" \
"ramboot=echo Booting from ramdisk ...; " \
"run ramargs; " \
"bootm ${loadaddr}\0" \
#define CONFIG_SPL_SPI_LOAD
#define CONFIG_SPL_SPI_BUS 0
#define CONFIG_SPL_SPI_CS 0
-#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
-#define CONFIG_SYS_SPI_U_BOOT_SIZE 0x40000
+#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x80000
#define CONFIG_SPL_MUSB_NEW_SUPPORT
#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds"
#undef CONFIG_EXTRA_ENV_SETTINGS
#endif
+/*
+ * Default to using SPI for environment, etc. We have multiple copies
+ * of SPL as the ROM will check these locations.
+ * 0x0 - 0x20000 : First copy of SPL
+ * 0x20000 - 0x40000 : Second copy of SPL
+ * 0x40000 - 0x60000 : Third copy of SPL
+ * 0x60000 - 0x80000 : Fourth copy of SPL
+ * 0x80000 - 0xDF000 : U-Boot
+ * 0xDF000 - 0xE0000 : U-Boot Environment
+ * 0xE0000 - 0x442000 : Linux Kernel
+ * 0x442000 - 0x800000 : Userland
+ */
+#if defined(CONFIG_SPI_BOOT)
+# undef CONFIG_ENV_IS_NOWHERE
+# define CONFIG_ENV_IS_IN_SPI_FLASH
+# define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
+# define CONFIG_ENV_OFFSET (892 << 10) /* 892 KiB in */
+# define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */
+#endif /* SPI support */
+
/* Unsupported features */
#undef CONFIG_USE_IRQ
/* CS0 */
#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND
devices */
+#if !defined(CONFIG_SPI_BOOT)
#undef CONFIG_ENV_IS_NOWHERE
#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */
#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
#endif
+#endif
#endif /* ! __CONFIG_AM335X_EVM_H */