Hi Fabio
On Fri, May 10, 2024 at 5:10 PM Fabio Estevam <feste...@gmail.com> wrote:
>
> Hi Michael,
>
> On Fri, May 10, 2024 at 11:28 AM Michael Nazzareno Trimarchi
> <mich...@amarulasolutions.com> wrote:
>
> > You can just change as you want. We have this file in buildroot, uuu
> > can run command on the device
> > using FB command. Example how call it
>
> Thanks for sharing the example.
>
> I adapted the UUU script like this:
>
> SDPS: boot -f flash.bin
> FB: ucmd setenv fastboot_buffer ${loadaddr}
> FB: ucmd mmc dev 2 1
> FB: download -f flash.bin
> FB: ucmd setexpr blkcnt $filesize + 0x1ff
> FB: ucmd setexpr blkcnt $blkcnt / 0x200
> FB: ucmd mmc write $loadaddr 0 $blkcnt
My suggestion is use timeout of some command when is possible
> FB: reboot
> FB: done
>
> Did the following changes based on imx8mn_bsh_smm_s2pro:
>
> index 024b46ef8bc2..0b6026c34309 100644
> --- a/board/freescale/imx8mp_evk/imx8mp_evk.c
> +++ b/board/freescale/imx8mp_evk/imx8mp_evk.c
> @@ -3,6 +3,8 @@
> * Copyright 2019 NXP
> */
>
> +#include <common.h>
> +#include <asm/arch/sys_proto.h>
> #include <env.h>
>
> int board_init(void)
> @@ -17,5 +19,11 @@ int board_late_init(void)
> env_set("board_rev", "iMX8MP");
> #endif
>
> + if (is_usb_boot()) {
> + printf("***** Entering in USB download mode\n");
> + env_set("bootcmd", "fastboot usb 0");
> + env_set("bootdelay", "0");
> + }
> +
I think that is kind of good example
> return 0;
> }
> diff --git a/include/configs/imx8mp_evk.h b/include/configs/imx8mp_evk.h
> index 1759318fdd35..148b36bd3169 100644
> --- a/include/configs/imx8mp_evk.h
> +++ b/include/configs/imx8mp_evk.h
> @@ -25,8 +25,17 @@
>
> #include <config_distro_bootcmd.h>
>
> +#define EMMCARGS \
> + "fastboot_partition_alias_all=" \
> + __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".0:0\0" \
> + "fastboot_partition_alias_bootloader=" \
> + __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".1:0\0" \
> + "emmc_dev=" __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) "\0" \
> + "emmc_ack=1\0" \
> +
> /* Initial environment variables */
> #define CFG_EXTRA_ENV_SETTINGS \
> + EMMCARGS \
> BOOTENV \
> "scriptaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
> "kernel_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
>
> and now UUU correctly flashes the eMMC hardware partition.
>
> Thanks a lot,
No problem
Micheal
>
> Fabio Estevam
--
Michael Nazzareno Trimarchi
Co-Founder & Chief Executive Officer
M. +39 347 913 2170
mich...@amarulasolutions.com
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T. +31 (0)85 111 9172
i...@amarulasolutions.com
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