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>

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>
Chase Maupin · Tom Rini
1 parent 73c1f4aff0
Showing 1 changed file with 14 additions and 0 deletions Side-by-side Diff
include/configs/am335x_evm.h
@@ -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 ...; " \
@@ -92,6 +101,11 @@
 	"nandboot=echo Booting from nand ...; " \
 		"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 ${loadaddr}\0" \
 	"ramboot=echo Booting from ramdisk ...; " \
 		"run ramargs; " \
...	...	@@ -75,6 +75,15 @@
75	75	"${optargs} " \
76	76	"root=${nandroot} " \
77	77	"rootfstype=${nandrootfstype}\0" \
	78	+ "spiroot=/dev/mtdblock4 rw\0" \
	79	+ "spirootfstype=jffs2\0" \
	80	+ "spisrcaddr=0xe0000\0" \
	81	+ "spiimgsize=0x362000\0" \
	82	+ "spibusno=0\0" \
	83	+ "spiargs=setenv bootargs console=${console} " \
	84	+ "${optargs} " \
	85	+ "root=${spiroot} " \
	86	+ "rootfstype=${spirootfstype}\0" \
78	87	"bootenv=uEnv.txt\0" \
79	88	"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
80	89	"importbootenv=echo Importing environment from mmc ...; " \
...	...	@@ -92,6 +101,11 @@
92	101	"nandboot=echo Booting from nand ...; " \
93	102	"run nandargs; " \
94	103	"nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \
	104	+ "bootm ${loadaddr}\0" \
	105	+ "spiboot=echo Booting from spi ...; " \
	106	+ "run spiargs; " \
	107	+ "sf probe ${spibusno}:0; " \
	108	+ "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
95	109	"bootm ${loadaddr}\0" \
96	110	"ramboot=echo Booting from ramdisk ...; " \
97	111	"run ramargs; " \