On Fri, Mar 14, 2025 at 04:10:24PM +0800, [email protected] wrote: > From: Luke Wang <[email protected]> > > Current mmc bootpart-resize cmd only support samsung emmc boot/rpmb > partition resizing. Add sandisk and micron emmc boot/rpmb partition > resizing support. The commands and parameters for resizing partitions > are different for each manufacturer. Select the corresponding function > according to cid. > > Signed-off-by: Luke Wang <[email protected]> > --- [snip] > + /* Set EXT_CSD[175] ERASE_GROUP_DEF to 0x01 */ > + err = mmc_switch(mmc, 0, 175, 0x01); > + if (err) > + goto error; > + > + /* Set EXT_CSD[127:125] for boot partition size, [125] is low byte */ > + err = mmc_switch(mmc, 0, 125, bootsize);
We should define EXT_CSD_BOOT_SIZE_MULT to 125. > + if (err) > + goto error; > + > + err = mmc_switch(mmc, 0, 126, 0x00); > + if (err) > + goto error; > + > + err = mmc_switch(mmc, 0, 127, 0x00); > + if (err) > + goto error; > + > + /* Set EXT_CSD[155] PARTITION_SETTING_COMPLETE to 0x01 */ > + err = mmc_switch(mmc, 0, 155, 0x01); And if we don't have 126/127/155 defined today, we should use reasonable names for them too. Any other command numbers I missed as well please. -- Tom
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