am335x_evm: Add SPI environment variables

* Added variables to support SPI booting
* Note that the first 512KiB are reserved for 4 copies of SPL.

Signed-off-by: Chase Maupin <Chase.Maupin@ti.com>
Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Chase Maupin 2013-02-08 11:20:12 +00:00 committed by Tom Rini
parent 73c1f4aff0
commit 63ba7c66d9

View File

@ -75,6 +75,15 @@
"${optargs} " \
"root=${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" \
"bootenv=uEnv.txt\0" \
"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
"importbootenv=echo Importing environment from mmc ...; " \
@ -93,6 +102,11 @@
"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" \
"ramboot=echo Booting from ramdisk ...; " \
"run ramargs; " \
"bootm ${loadaddr}\0" \