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author | Oleksij Rempel <o.rempel@pengutronix.de> | 2017-03-07 08:54:49 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-03-09 07:41:22 +0100 |
commit | 701f728c2a79628fbbb4f1a57e576ce5c5c8afd6 (patch) | |
tree | 015c649a2564f9574cd295ebd3eafc801f1fae05 /scripts/imx | |
parent | ef55d12d59771b64e764a777aa3d7963e2ebb8dd (diff) | |
download | barebox-701f728c2a79628fbbb4f1a57e576ce5c5c8afd6.tar.gz barebox-701f728c2a79628fbbb4f1a57e576ce5c5c8afd6.tar.xz |
scripts: imx imx-usb-loader: add support for imx23 and imx28
This code was rewrtitten from mxs-usb-loader.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'scripts/imx')
-rw-r--r-- | scripts/imx/imx-usb-loader.c | 85 |
1 files changed, 84 insertions, 1 deletions
diff --git a/scripts/imx/imx-usb-loader.c b/scripts/imx/imx-usb-loader.c index ac7bc3ee94..90ee3e09d5 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 @@ static const 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 @@ static const struct mach_id imx_ids[] = { .vid = 0x15a2, .pid = 0x004f, .name = "i.MX28", + .max_transfer = 1024, + .dev_type = DEV_MXS, }, { .vid = 0x15a2, .pid = 0x0052, @@ -187,6 +194,17 @@ 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 const struct mach_id *imx_device(unsigned short vid, unsigned short pid) { int i; @@ -1441,6 +1459,66 @@ 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 = { @@ -1550,6 +1628,11 @@ 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"); |