This code was rewrtitten from mxs-usb-loader.
Signed-off-by: Oleksij Rempel <o.rem...@pengutronix.de>
---
scripts/imx/imx-usb-loader.c | 85 +++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 84 insertions(+), 1 deletion(-)
diff --git a/scripts/imx/imx-usb-loader.c b/scripts/imx/imx-usb-loader.c
index b2c9f8f5a..c61ebaf2f 100644
--- a/scripts/imx/imx-usb-loader.c
+++ b/scripts/imx/imx-usb-loader.c
@@ -69,6 +69,9 @@ struct mach_id {
#define HDR_MX53 2
unsigned char header_type;
unsigned short max_transfer;
+#define DEV_IMX 0
+#define DEV_MXS 1
+ unsigned char dev_type;
};
struct usb_work {
@@ -87,7 +90,9 @@ struct mach_id imx_ids[] = {
.vid = 0x066f,
.pid = 0x3780,
.name = "i.MX23",
- .mode = MODE_BULK,
+ .mode = MODE_HID,
+ .max_transfer = 1024,
+ .dev_type = DEV_MXS,
}, {
.vid = 0x15a2,
.pid = 0x0030,
@@ -120,6 +125,8 @@ struct mach_id imx_ids[] = {
.vid = 0x15a2,
.pid = 0x004f,
.name = "i.MX28",
+ .max_transfer = 1024,
+ .dev_type = DEV_MXS,
}, {
.vid = 0x15a2,
.pid = 0x0052,
@@ -180,6 +187,17 @@ struct sdp_command {
uint8_t rsvd;
} __attribute__((packed));
+#define MXS_CMD_FW_DOWNLOAD 0x02
+struct mxs_command {
+ uint32_t sign; /* Signature */
+ uint32_t tag; /* Tag */
+ uint32_t size; /* Payload size */
+ uint8_t flags; /* Flags (host to device) */
+ uint8_t rsvd[2]; /* Reserved */
+ uint8_t cmd; /* Firmware download */
+ uint32_t dw_size; /* Download size */
+} __attribute__((packed));
+
static struct mach_id *imx_device(unsigned short vid, unsigned short pid)
{
int i;
@@ -1343,6 +1361,66 @@ static int write_mem(const struct config_data *data,
uint32_t addr,
return modify_memory(addr, val, width, set_bits, clear_bits);
}
+/* MXS section */
+static int mxs_load_file(libusb_device_handle *dev, uint8_t *data, int size)
+{
+ static struct mxs_command dl_command;
+ int last_trans, err;
+ void *p;
+ int cnt;
+
+ dl_command.sign = htonl(0x424c5443); /* Signature: BLTC */
+ dl_command.tag = htonl(0x1);
+ dl_command.size = htonl(size);
+ dl_command.flags = 0;
+ dl_command.rsvd[0] = 0;
+ dl_command.rsvd[1] = 0;
+ dl_command.cmd = MXS_CMD_FW_DOWNLOAD;
+ dl_command.dw_size = htonl(size);
+
+ err = transfer(1, (unsigned char *) &dl_command, 20, &last_trans);
+ if (err) {
+ printf("transfer error at init step: err=%i, last_trans=%i\n",
+ err, last_trans);
+ return err;
+ }
+
+ p = data;
+ cnt = size;
+
+ while (1) {
+ int now = get_min(cnt, usb_id->mach_id->max_transfer);
+
+ if (!now)
+ break;
+
+ err = transfer(2, p, now, &now);
+ if (err) {
+ printf("dl_command err=%i, last_trans=%i\n", err, now);
+ return err;
+ }
+
+ p += now;
+ cnt -= now;
+ }
+
+ return err;
+}
+
+static int mxs_work(struct usb_work *curr)
+{
+ unsigned fsize = 0;
+ unsigned char *buf = NULL;
+ int ret;
+
+ ret = read_file(curr->filename, &buf, &fsize);
+ if (ret < 0)
+ return ret;
+
+ return mxs_load_file(usb_dev_handle, buf, fsize);
+}
+/* end of mxs section */
+
static int parse_initfile(const char *filename)
{
struct config_data data = {
@@ -1452,6 +1530,11 @@ int main(int argc, char *argv[])
usb_id->mach_id = mach;
+ if (mach->dev_type == DEV_MXS) {
+ ret = mxs_work(&w);
+ goto out;
+ }
+
err = do_status();
if (err) {
printf("status failed\n");
--
2.11.0
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