[PATCH 2/3] k3-am62-pocketbeagle2: add initial board support

[Robert Nelson]

On Mon, Mar 23, 2026 at 2:37 PM Randolph Sapp <rs at ti.com> wrote:
>
> On Fri Mar 20, 2026 at 10:32 AM CDT, Robert Nelson wrote:
> >> > +++ b/configs/am62_pocketbeagle2_a53_defconfig
> >> > @@ -6,11 +6,11 @@ CONFIG_SPL_LIBCOMMON_SUPPORT=y
> >> >  CONFIG_SPL_LIBGENERIC_SUPPORT=y
> >> >  CONFIG_NR_DRAM_BANKS=1
> >> >  CONFIG_SOC_K3_AM625=y
> >> > -CONFIG_TARGET_AM625_A53_BEAGLEPLAY=y
> >> > +CONFIG_TARGET_AM62X_A53_POCKETBEAGLE2=y
> >> >  CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
> >> >  CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x80b80000
> >> >  CONFIG_DM_GPIO=y
> >> > -CONFIG_DEFAULT_DEVICE_TREE="ti/k3-am625-beagleplay"
> >> > +CONFIG_DEFAULT_DEVICE_TREE="ti/k3-am62-pocketbeagle2"
> >> >  CONFIG_OF_LIBFDT_OVERLAY=y
> >> >  CONFIG_DM_RESET=y
> >> >  CONFIG_SPL_MMC=y
> >> > @@ -44,8 +44,6 @@ CONFIG_SPL_I2C=y
> >> >  CONFIG_SPL_DM_MAILBOX=y
> >> >  CONFIG_SPL_POWER_DOMAIN=y
> >> >  CONFIG_SPL_YMODEM_SUPPORT=y
> >> > -CONFIG_CMD_BOOTEFI_SELFTEST=y
> >> > -CONFIG_CMD_NVEDIT_EFI=y
> >> >  CONFIG_CMD_GPIO=y
> >> >  CONFIG_CMD_GPIO_READ=y
> >> >  CONFIG_CMD_I2C=y
> >> > @@ -53,6 +51,7 @@ CONFIG_CMD_MMC=y
> >> >  CONFIG_CMD_EFIDEBUG=y
> >> >  CONFIG_CMD_PMIC=y
> >> >  CONFIG_CMD_REGULATOR=y
> >> > +CONFIG_CMD_CACHE=y
> >> >  CONFIG_OF_CONTROL=y
> >> >  CONFIG_SPL_OF_CONTROL=y
> >> >  CONFIG_OF_UPSTREAM=y
> >> > @@ -90,10 +89,6 @@ CONFIG_MMC_SDHCI=y
> >> >  CONFIG_MMC_SDHCI_ADMA=y
> >> >  CONFIG_SPL_MMC_SDHCI_ADMA=y
> >> >  CONFIG_MMC_SDHCI_AM654=y
> >> > -CONFIG_PHY_REALTEK=y
> >> > -CONFIG_PHY_TI=y
> >> > -CONFIG_DM_ETH_PHY=y
> >> > -CONFIG_TI_AM65_CPSW_NUSS=y
> >> >  CONFIG_PHY=y
> >> >  CONFIG_PINCTRL=y
> >> >  CONFIG_SPL_PINCTRL=y
> >> > @@ -120,7 +115,8 @@ CONFIG_SYSRESET_TI_SCI=y
> >> >  CONFIG_EXT4_WRITE=y
> >> >  CONFIG_FS_FAT_MAX_CLUSTSIZE=16384
> >> >  CONFIG_LZO=y
> >> > -CONFIG_EFI_SET_TIME=y
> >> > +CONFIG_SYS_MEM_TOP_HIDE=0x4000000
> >>
> >> Any reason why we are using TOP_HIDE here instead of just moving OPTEE
> >> lower in DDR like we do on the 512MiB AM6254atl EVM?
> >
> > Sorry, that is now a legacy setting before OPTEE finally got moved in
> > v2026.01, as this had been developed thru v2025 u-boot releases..
> >
>
> Well, it's worth noting that this change was not done in the usual way, and
> involves user interaction during the build beyond selecting a defconfig.
>
> https://texasinstruments.github.io/processor-sdk-doc/processor-sdk-linux-AM62X/esd/docs/master/linux/Foundational_Components_ATF.html
> https://git.ti.com/cgit/arago-project/meta-ti/tree/meta-ti-bsp/conf/machine/am62xxsip-evm.conf
>
> Robert, are you alright with me making the requested changes?

I guess as long as we document it. I know the Octavo OSD62-sip @Erik
Welsh  will also be building on both am62xxsip and pocketbeagle2 based
on the 512MB and then larger memory sizes (1G, 2G, etc.).

Regards,

-- 
Robert Nelson
https://rcn-ee.com/