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usb: rockchip: implement K_FW_LBA_ERASE_10 command

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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>
This commit is contained in:
Alberto Panizzo 2018-07-12 13:05:45 +02:00 committed by Marek Vasut
parent e11f9166f3
commit f68c8e827c
3 changed files with 50 additions and 0 deletions
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1
arch/arm/include/asm/arch-rockchip/f_rockusb.h
View File

@ -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,

1
doc/README.rockusb
View File

@ -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
-----

48
drivers/usb/gadget/f_rockusb.c
View File

@ -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();
@ -823,6 +867,10 @@ static const struct cmd_dispatch_info cmd_dispatch_info[] = {
.cmd = K_FW_SPI_WRITE_10,
.cb = cb_not_support,
},
{
.cmd = K_FW_LBA_ERASE_10,
.cb = cb_erase_lba,
},
{
.cmd = K_FW_SESSION,
.cb = cb_not_support,