Chip Version is a string saved in BOOTROM address space Little Endian.
Ex for rk3288: 0x33323041 0x32303134 0x30383133 0x56323030
which brings: 320A20140813V200
Note that memory version do invert MSB/LSB so printing the char
buffer would show: A02341023180002V
Signed-off-by: Alberto Panizzo <albe...@amarulasolutions.com>
---
doc/README.rockusb | 9 ++++++---
drivers/usb/gadget/f_rockusb.c | 44 +++++++++++++++++++++++++++++++++++++++++-
2 files changed, 49 insertions(+), 4 deletions(-)
diff --git a/doc/README.rockusb b/doc/README.rockusb
index 5405dc4..3a93edc 100644
--- a/doc/README.rockusb
+++ b/doc/README.rockusb
@@ -42,9 +42,12 @@ see doc/README.rockchip for more detail about how to get
U-Boot binary.
sudo rkdeveloptool wl 64 <U-Boot binary>
-There are plenty of Rockusb command. but wl(write lba) and
-rd(reboot) command. These two command can let people flash
-image to device.
+Current set of rkdeveloptool commands supported:
+- rci: Read Chip Info
+- rfi: Read Flash Id
+- rd : Reset Device
+- td : Test Device Ready
+- wl : Write blocks using LBA
To do
-----
diff --git a/drivers/usb/gadget/f_rockusb.c b/drivers/usb/gadget/f_rockusb.c
index 58e483c..0314ff0 100644
--- a/drivers/usb/gadget/f_rockusb.c
+++ b/drivers/usb/gadget/f_rockusb.c
@@ -523,6 +523,48 @@ static void cb_read_storage_id(struct usb_ep *ep, struct
usb_request *req)
rockusb_tx_write_str(emmc_id);
}
+int __weak rk_get_bootrom_chip_version(unsigned int *chip_info, int size)
+{
+ return 0;
+}
+
+static void cb_get_chip_version(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();
+ unsigned int chip_info[4], i;
+
+ memset(chip_info, 0, sizeof(chip_info));
+ rk_get_bootrom_chip_version(chip_info, 4);
+
+ /*
+ * Chip Version is a string saved in BOOTROM address space Little Endian
+ *
+ * Ex for rk3288: 0x33323041 0x32303134 0x30383133 0x56323030
+ * which brings: 320A20140813V200
+ *
+ * Note that memory version do invert MSB/LSB so printing the char
+ * buffer will show: A02341023180002V
+ */
+ printf("read chip version: ");
+ for (i = 0; i < 4; i++) {
+ printf("%c%c%c%c",
+ (chip_info[i] >> 24) & 0xFF,
+ (chip_info[i] >> 16) & 0xFF,
+ (chip_info[i] >> 8) & 0xFF,
+ (chip_info[i] >> 0) & 0xFF);
+ }
+ printf("\n");
+ memcpy((char *)cbw, req->buf, USB_BULK_CB_WRAP_LEN);
+
+ /* Prepare for sending subsequent CSW_GOOD */
+ f_rkusb->tag = cbw->tag;
+ f_rkusb->in_req->complete = tx_handler_send_csw;
+
+ rockusb_tx_write((char *)chip_info, sizeof(chip_info));
+}
+
static void cb_write_lba(struct usb_ep *ep, struct usb_request *req)
{
ALLOC_CACHE_ALIGN_BUFFER(struct fsg_bulk_cb_wrap, cbw,
@@ -661,7 +703,7 @@ static const struct cmd_dispatch_info cmd_dispatch_info[] =
{
},
{
.cmd = K_FW_GET_CHIP_VER,
- .cb = cb_not_support,
+ .cb = cb_get_chip_version,
},
{
.cmd = K_FW_LOW_FORMAT,
--
2.7.4
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