On Sat, 2017-01-28 at 21:05 -0500, Tom Rini wrote: > On Sun, Jan 29, 2017 at 01:59:17AM +0000, Westergreen, Dalon wrote: > > > > On Sat, 2017-01-28 at 19:06 -0500, Tom Rini wrote: > > > > > > On Sat, Jan 28, 2017 at 03:20:09PM -0800, Dalon Westergreen wrote: > > > > > > > > > > > > > > > From: Dalon Westergreen <dalon.westergr...@intel.com> > > > > > > > > the socfpga bootrom supports mmc booting from either a raw image > > > > starting at 0x0, or from a partition of type 0xa2. This patch > > > > adds support for locating the boot image in the first type 0xa2 > > > > partition found. > > > > > > > > Signed-off-by: Dalon Westergreen <dalon.westergr...@intel.com> > > > > --- > > > > common/spl/Kconfig | 17 +++++++++++++++++ > > > > common/spl/spl_mmc.c | 45 ++++++++++++++++++++++++++++++++++++++++++++- > > > > disk/part_dos.c | 1 + > > > > include/part.h | 1 + > > > > 4 files changed, 63 insertions(+), 1 deletion(-) > > > > > > Today socfpga sets SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION to 1. Do you > > > really have enough cases where the special partition isn't going to be > > > likely known when building U-Boot for a given platform? > > All of our kits actually ship with the third partition being the 0xa2 > > partition. Normally the 1 partition is the fat partition. I want to > > support the case where the 0xa2 partition is arbitrary and used only for > > the SPL. the 1 partition is a fat partition with the full u-boot image. > > Er, this code is where we determine where to load U-Boot from, SPL is > running. So if I follow you, the bootrom would load SPL from the > partition with 0xa2 as the type, usually #3 and then we load U-Boot from > the FAT partition (which would be SPL_FS_LOAD_PAYLOAD_NAME and such) ? > yes, or if FAT isn't enabled, the spl would load the image in the 0xa2 partition or the CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION offset by CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR. Both are reasonable and supported. my current thought is if partition = -1 and CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE is set then search for the a2 partition. work for you?
--dalon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
