| Message ID | 1374078270-20098-2-git-send-email-trini@ti.com |
|---|---|
| State | Accepted |
| Delegated to: | Tom Rini |
| Headers | show |
On 07/17/2013 11:24:30 AM, Tom Rini wrote: > The AM335x GP EVM ships with NAND. Document programming of the chip > including the redundant locations that the ROM will check. > > Signed-off-by: Tom Rini <trini@ti.com> > --- > board/ti/am335x/README | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > > diff --git a/board/ti/am335x/README b/board/ti/am335x/README > index ccc5e16..3444d7e 100644 > --- a/board/ti/am335x/README > +++ b/board/ti/am335x/README > @@ -13,6 +13,31 @@ documented in TI's reference designs: > - AM335x EVM SK > - Beaglebone White > - Beaglebone Black > +' > +NAND > +==== > + > +The AM335x GP EVM ships with a 256MiB NAND available in most > profiles. In > +this example to program the NAND we assume that an SD card has been > +inserted with the files to write in the first SD slot and that > mtdparts > +have been configured correctly for the board. As a time saving > measure we > +load MLO into memory in one location, copy it into the three > locatations > +that the ROM checks for additional valid copies, then load U-Boot > into > +memory. We then write that whole section of memory to NAND. > + > +U-Boot # mmc rescan > +U-Boot # env default -f -a > +U-Boot # nand erase.chip > +U-Boot # saveenv > +U-Boot # load mmc 0 81000000 MLO > +U-Boot # cp.b 81000000 81020000 20000 > +U-Boot # cp.b 81000000 81040000 20000 > +U-Boot # cp.b 81000000 81060000 20000 > +U-Boot # load mmc 0 81080000 u-boot.img > +U-Boot # nand write 81000000 0 260000 > +U-Boot # load mmc 0 ${loadaddr} uImage > +U-Boot # nand erase.part kernel > +U-Boot # nand write ${loadaddr} kernel 500000 You've already done a "nand erase.chip"... Why do you need to erase "kernel" again? -Scott
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 07/17/2013 05:52 PM, Scott Wood wrote: > On 07/17/2013 11:24:30 AM, Tom Rini wrote: >> The AM335x GP EVM ships with NAND. Document programming of the >> chip including the redundant locations that the ROM will check. >> >> Signed-off-by: Tom Rini <trini@ti.com> --- board/ti/am335x/README >> | 25 +++++++++++++++++++++++++ 1 file changed, 25 >> insertions(+) >> >> diff --git a/board/ti/am335x/README b/board/ti/am335x/README >> index ccc5e16..3444d7e 100644 --- a/board/ti/am335x/README +++ >> b/board/ti/am335x/README @@ -13,6 +13,31 @@ documented in TI's >> reference designs: - AM335x EVM SK - Beaglebone White - >> Beaglebone Black +' +NAND +==== + +The AM335x GP EVM ships with a >> 256MiB NAND available in most profiles. In +this example to >> program the NAND we assume that an SD card has been +inserted >> with the files to write in the first SD slot and that mtdparts >> +have been configured correctly for the board. As a time saving >> measure we +load MLO into memory in one location, copy it into >> the three locatations +that the ROM checks for additional valid >> copies, then load U-Boot into +memory. We then write that whole >> section of memory to NAND. + +U-Boot # mmc rescan +U-Boot # env >> default -f -a +U-Boot # nand erase.chip +U-Boot # saveenv +U-Boot >> # load mmc 0 81000000 MLO +U-Boot # cp.b 81000000 81020000 20000 >> +U-Boot # cp.b 81000000 81040000 20000 +U-Boot # cp.b 81000000 >> 81060000 20000 +U-Boot # load mmc 0 81080000 u-boot.img +U-Boot # >> nand write 81000000 0 260000 +U-Boot # load mmc 0 ${loadaddr} >> uImage +U-Boot # nand erase.part kernel +U-Boot # nand write >> ${loadaddr} kernel 500000 > > You've already done a "nand erase.chip"... Why do you need to > erase "kernel" again? No, that's just what I get for concatening my instructions too quickly, thanks! - -- Tom -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJR5xT5AAoJENk4IS6UOR1Wr9sP/RtZpkzON7zC5LIqEQCfVFBj vJCTQYB0xKaMGgYLpQ2uLy5PH4CgPuy3PTmdVrK1Ooqj2YHTmZpBH7yjTl3VTjxd nrODm1VLQ1kd3QNC94ftOzv5vvISfV8A1HtS8WeoExAphFrcpaTnbbSfhcMpQfR6 m+fEdfpHDtzgh2dKZPqPC29XqgDkN5RtcH6jDV+ZujjyBMHuxCc1wslwJZSz2WSv lY1GKCxHiJALZyII4nCaT7tsRGWJWWZziqFzK+XObYZzcN9XKVimqZGe2vSTM4pu sl+Sddp7j6EzfxY6vSWRTAuRIa0uiGKHuGm+yA52qyP6FznzdtLzdr/eNEOs34Q4 ekz15q6l8F9z4witCm9msDhxbzjD6imfVylgJHiDqpc0LopQj7fNw4e6PQ3wRvjD WWti5eGmTeMwxdlm7awBFi9RrMTSz2NnhIAHcN59CVqaobxf/MxtIGAJ8IZeqL81 T9U2U8EauR1Ba7KrJWhYH8U6zic1KChZ2GyTn21HH78Px+Vf15M+qv6RGm6im9m/ yBO2aygKQYNwEMMGyjNAI2a0cy31FuZhYl7MbpQufi7oWPDUtobBMBOQz/V7wBa9 I5QcZ7Fqcd6R9QG58ioPcIzTxzMBB0cfrKhYKMiO1lvHbSt7jIKkpnErXl7djiGp 7xh5j6JWedBDdA5xZSad =M00E -----END PGP SIGNATURE-----
On Wed, Jul 17, 2013 at 12:24:30PM -0400, Tom Rini wrote: > The AM335x GP EVM ships with NAND. Document programming of the chip > including the redundant locations that the ROM will check. > > Signed-off-by: Tom Rini <trini@ti.com> Applied to u-boot-ti/master with Scott's comment fixed.
diff --git a/board/ti/am335x/README b/board/ti/am335x/README index ccc5e16..3444d7e 100644 --- a/board/ti/am335x/README +++ b/board/ti/am335x/README @@ -13,6 +13,31 @@ documented in TI's reference designs: - AM335x EVM SK - Beaglebone White - Beaglebone Black +' +NAND +==== + +The AM335x GP EVM ships with a 256MiB NAND available in most profiles. In +this example to program the NAND we assume that an SD card has been +inserted with the files to write in the first SD slot and that mtdparts +have been configured correctly for the board. As a time saving measure we +load MLO into memory in one location, copy it into the three locatations +that the ROM checks for additional valid copies, then load U-Boot into +memory. We then write that whole section of memory to NAND. + +U-Boot # mmc rescan +U-Boot # env default -f -a +U-Boot # nand erase.chip +U-Boot # saveenv +U-Boot # load mmc 0 81000000 MLO +U-Boot # cp.b 81000000 81020000 20000 +U-Boot # cp.b 81000000 81040000 20000 +U-Boot # cp.b 81000000 81060000 20000 +U-Boot # load mmc 0 81080000 u-boot.img +U-Boot # nand write 81000000 0 260000 +U-Boot # load mmc 0 ${loadaddr} uImage +U-Boot # nand erase.part kernel +U-Boot # nand write ${loadaddr} kernel 500000 Falcon Mode ===========
The AM335x GP EVM ships with NAND. Document programming of the chip including the redundant locations that the ROM will check. Signed-off-by: Tom Rini <trini@ti.com> --- board/ti/am335x/README | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)