On Tue, Mar 07, 2017 at 08:54:49AM +0100, Oleksij Rempel wrote:
> This code was rewrtitten from mxs-usb-loader.
>
> Signed-off-by: Oleksij Rempel <[email protected]>
> ---
> scripts/imx/imx-usb-loader.c | 85
> +++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 84 insertions(+), 1 deletion(-)
Applied, thanks
Sascha
>
> 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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