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 --- arch/arm/include/asm/arch-rockchip/f_rockusb.h | 1 + doc/README.rockusb | 1 + drivers/usb/gadget/f_rockusb.c | 48 ++++++++++++++++++++++++++ 3 files changed, 50 insertions(+)
diff --git a/arch/arm/include/asm/arch-rockchip/f_rockusb.h b/arch/arm/include/asm/arch-rockchip/f_rockusb.h index 3f2e763..9772321 100644 --- a/arch/arm/include/asm/arch-rockchip/f_rockusb.h +++ b/arch/arm/include/asm/arch-rockchip/f_rockusb.h @@ -63,6 +63,7 @@ K_FW_LOW_FORMAT = 0x1C, K_FW_SET_RESET_FLAG = 0x1E, K_FW_SPI_READ_10 = 0x21, K_FW_SPI_WRITE_10 = 0x22, +K_FW_LBA_ERASE_10 = 0x25,
K_FW_SESSION = 0X30, K_FW_RESET = 0xff, diff --git a/doc/README.rockusb b/doc/README.rockusb index 7f58296..66437e1 100644 --- a/doc/README.rockusb +++ b/doc/README.rockusb @@ -49,6 +49,7 @@ Current set of rkdeveloptool commands supported: - td : Test Device Ready - rl : Read blocks using LBA - wl : Write blocks using LBA +- wlx: Write partition
To do ----- diff --git a/drivers/usb/gadget/f_rockusb.c b/drivers/usb/gadget/f_rockusb.c index 82f421c..bcdc2ba 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, },