Re: imx-usb-loader on imx8mq/mm
On Fri, Dec 13, 2019 at 07:20:15AM +, Yazdani, Reyhaneh wrote: > Thanks Lucas. > > So, if I have a board which has only eMMC (no SD card). What would be your > recommendation about programming it with Barebox? > > Currently, I program U-Boot via uuu utility and then from Kernel, I program > Barebox on boot1 partition of eMMC (boot0 is not possible). > > I am trying at least to program Barebox in U-boot via ums, mmc write , ... but > until now I am not successful. Do you have any experience or idea? The image as it's falling out of the barebox build should be written straight to the eMMC. The eMMC itself has a setting which specifies where the i.MX will boot from, valid setting are user area, boot0 or boot1. It can be that this setting doesn't match the area you are writing to. Another way would be to start barebox from U-Boot and let the barebox-update command do the job of writing barebox to the eMMC. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0| Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917- | ___ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox
Re: imx-usb-loader on imx8mq/mm
Thanks Lucas. So, if I have a board which has only eMMC (no SD card). What would be your recommendation about programming it with Barebox? Currently, I program U-Boot via uuu utility and then from Kernel, I program Barebox on boot1 partition of eMMC (boot0 is not possible). I am trying at least to program Barebox in U-boot via ums, mmc write , ... but until now I am not successful. Do you have any experience or idea? (I had forgotten to reply-all and Barebox mailing list was not on my previous Email, so I send the Email again) Best, Reyhaneh On 12/12/19 11:24 AM, Lucas Stach wrote: > Hi Reyhaneh, > > On Do, 2019-12-12 at 10:13 +, Yazdani, Reyhaneh wrote: >> Hello everyone, >> >> I am trying to load Barebox to the imx8mm board via imx-usb-loader, but it >> stops >> in the middle. I think maybe it is because we do not have a flash-header file >> with the static RAM configuration. Does someone have any idea about that? > > Currently it's impossible to load Barebox on the i.MX8M via the imx- > usb-loader. The basic issue is that the DRAM setup happens in the PBL, > so there is no way to play the DCD and load a complete Barebox image > into DRAM like we do on the older SoCs. > > For boards that do the DRAM setup in the PBL we would need to implement > a 2 step loading approach in imx-usb-loader: > First load the PBL part (max_load_size in the flash-header) into SRAM, > execute the DRAM setup, then have a implementation of the imx serial > load USB protocol in the PBL, so imx-usb-loader can load the complete > image into DRAM. > > There's quite a bit of implementation work to be done here, but it > would be a very welcome addition to Barebox. > > Regards, > Lucas > -- Reyhaneh Yazdani Data Modul AGTEL:+49-89-56017-154 Embedded development FAX:+49-89-56017-119 Linux - Development RG: HR-Muenchen B-85591 Landsberger Str. 322 D-80687 Muenchen - http://www.data-modul.com Vertrauliche E-Mail von / Confidential e-mail from: DATA MODUL AG Vorstand / CEO: Dr. Florian Pesahl Vorsitzende des Aufsichtsrates / Chairwoman of the Supervisory Board: Kristin D. Russell Sitz der Gesellschaft / Registered Office: München Registergericht / Registration Court: München Handelsregister B 85 591 ___ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox
[PATCH] commands: led: print actual error code when led_set fails
If led_set fails, the error code is the return value, not errno.
Fix this. While at replace the magic value in the command return code.
Signed-off-by: Ahmad Fatoum
---
commands/led.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/commands/led.c b/commands/led.c
index a53f0df6a200..b608fcfa2cdb 100644
--- a/commands/led.c
+++ b/commands/led.c
@@ -101,8 +101,8 @@ static int do_led(int argc, char *argv[])
ret = led_set(led, value);
if (ret < 0) {
- perror("led");
- return 1;
+ printf("led: %s\n", strerror(-ret));
+ return COMMAND_ERROR;
}
return 0;
--
2.24.0
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[PATCH] led: pca955x: remove ineffectual assignment
the .num member of struct led is a 'private' member populated by led_register. Populating it has no effect because it's always overwritten. Remove the assignment. Signed-off-by: Ahmad Fatoum --- drivers/led/led-pca955x.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/led/led-pca955x.c b/drivers/led/led-pca955x.c index 9c4f7967fb28..27fefce8d524 100644 --- a/drivers/led/led-pca955x.c +++ b/drivers/led/led-pca955x.c @@ -316,7 +316,6 @@ led_pca955x_pdata_of_init(struct device_node *np, struct pca955x *pca955x) pca955x_led->led_cdev.name = pca955x_led->name; pca955x_led->led_cdev.set = pca955x_led_set; - pca955x_led->led_cdev.num = pca955x_led->led_num; pca955x_led->led_cdev.max_value = 255; err = led_register(_led->led_cdev); -- 2.24.0 ___ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox
Re: imx-usb-loader on imx8mq/mm
Hi Reyhaneh, On Do, 2019-12-12 at 10:13 +, Yazdani, Reyhaneh wrote: > Hello everyone, > > I am trying to load Barebox to the imx8mm board via imx-usb-loader, but it > stops > in the middle. I think maybe it is because we do not have a flash-header file > with the static RAM configuration. Does someone have any idea about that? Currently it's impossible to load Barebox on the i.MX8M via the imx- usb-loader. The basic issue is that the DRAM setup happens in the PBL, so there is no way to play the DCD and load a complete Barebox image into DRAM like we do on the older SoCs. For boards that do the DRAM setup in the PBL we would need to implement a 2 step loading approach in imx-usb-loader: First load the PBL part (max_load_size in the flash-header) into SRAM, execute the DRAM setup, then have a implementation of the imx serial load USB protocol in the PBL, so imx-usb-loader can load the complete image into DRAM. There's quite a bit of implementation work to be done here, but it would be a very welcome addition to Barebox. Regards, Lucas ___ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox
imx-usb-loader on imx8mq/mm
Hello everyone, I am trying to load Barebox to the imx8mm board via imx-usb-loader, but it stops in the middle. I think maybe it is because we do not have a flash-header file with the static RAM configuration. Does someone have any idea about that? Best, Reyhaneh -- Reyhaneh Yazdani Data Modul AGTEL:+49-89-56017-154 Embedded development FAX:+49-89-56017-119 Linux - Development RG: HR-Muenchen B-85591 Landsberger Str. 322 D-80687 Muenchen - http://www.data-modul.com Vertrauliche E-Mail von / Confidential e-mail from: DATA MODUL AG Vorstand / CEO: Dr. Florian Pesahl Vorsitzende des Aufsichtsrates / Chairwoman of the Supervisory Board: Kristin D. Russell Sitz der Gesellschaft / Registered Office: München Registergericht / Registration Court: München Handelsregister B 85 591 ___ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox
