From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cl9xi-0007Cc-US for barebox@lists.infradead.org; Tue, 07 Mar 2017 07:55:17 +0000 From: Oleksij Rempel Date: Tue, 7 Mar 2017 08:54:49 +0100 Message-Id: <20170307075449.18967-1-o.rempel@pengutronix.de> In-Reply-To: <20170306130915.11253-1-o.rempel@pengutronix.de> References: <20170306130915.11253-1-o.rempel@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH v2] scripts: imx imx-usb-loader: add support for imx23 and imx28 To: barebox@lists.infradead.org Cc: Oleksij Rempel This code was rewrtitten from mxs-usb-loader. Signed-off-by: Oleksij Rempel --- 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 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox