diff options
| author | Alberto Panizzo <alberto@amarulasolutions.com> | 2018-07-12 13:05:45 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2018-08-08 22:22:07 +0200 |
| commit | f68c8e827c26d2911224f5abaa68a94faed07d3e (patch) | |
| tree | 0dcfeb4eac3787ebdc41c6feeff49bec79704893 /drivers/usb/gadget/f_rockusb.c | |
| parent | e11f9166f37c5d8e0f3c58bb5a1b03601e85643b (diff) | |
usb: rockchip: implement K_FW_LBA_ERASE_10 command
This command is part of the write partition sequence performed by
rkdeveloptool: one partition is first completely erased and
than wrote.
Signed-off-by: Alberto Panizzo <alberto@amarulasolutions.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/usb/gadget/f_rockusb.c')
| -rw-r--r-- | drivers/usb/gadget/f_rockusb.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/usb/gadget/f_rockusb.c b/drivers/usb/gadget/f_rockusb.c index 82f421cee11..bcdc2bac868 100644 --- a/drivers/usb/gadget/f_rockusb.c +++ b/drivers/usb/gadget/f_rockusb.c @@ -692,6 +692,50 @@ static void cb_write_lba(struct usb_ep *ep, struct usb_request *req) } } +static void cb_erase_lba(struct usb_ep *ep, struct usb_request *req) +{ + ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw, + sizeof(struct fsg_bulk_cb_wrap)); + struct f_rockusb *f_rkusb = get_rkusb(); + int sector_count, lba, blks; + + memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN); + sector_count = (int)get_unaligned_be16(&cbw->CDB[7]); + f_rkusb->tag = cbw->tag; + + if (!f_rkusb->desc) { + char *type = f_rkusb->dev_type; + int index = f_rkusb->dev_index; + + f_rkusb->desc = blk_get_dev(type, index); + if (!f_rkusb->desc || + f_rkusb->desc->type == DEV_TYPE_UNKNOWN) { + printf("invalid device \"%s\", %d\n", type, index); + rockusb_tx_write_csw(f_rkusb->tag, 0, CSW_FAIL, + USB_BULK_CS_WRAP_LEN); + return; + } + } + + lba = get_unaligned_be32(&cbw->CDB[2]); + + debug("require erase %x sectors from lba %x\n", + sector_count, lba); + + blks = blk_derase(f_rkusb->desc, lba, sector_count); + if (blks != sector_count) { + printf("failed erasing device %s: %d\n", f_rkusb->dev_type, + f_rkusb->dev_index); + rockusb_tx_write_csw(f_rkusb->tag, + cbw->data_transfer_length, CSW_FAIL, + USB_BULK_CS_WRAP_LEN); + return; + } + + rockusb_tx_write_csw(cbw->tag, cbw->data_transfer_length, CSW_GOOD, + USB_BULK_CS_WRAP_LEN); +} + void __weak rkusb_set_reboot_flag(int flag) { struct f_rockusb *f_rkusb = get_rkusb(); @@ -824,6 +868,10 @@ static const struct cmd_dispatch_info cmd_dispatch_info[] = { .cb = cb_not_support, }, { + .cmd = K_FW_LBA_ERASE_10, + .cb = cb_erase_lba, + }, + { .cmd = K_FW_SESSION, .cb = cb_not_support, }, |