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Yes booting from QSPI is supported.
1) By default U-Boot/SPL are configured to boot from OSPI(OSPI0). Hence we need do the following change in the U-Boot directory(This step is NOT needed for 8.5 SDK as latest SDK the dynamic detection of OSPI/QSPI is supported so NO need of the below patch jump to step 2):
From fa016786d99db486f14c491927ad582eb940467b Mon Sep 17 00:00:00 2001 From: Keerthy <j-keerthy@ti.com> Date: Thu, 2 Sep 2021 10:06:31 +0530 Subject: [PATCH] configs: Enable QSPI Enable QSPI Signed-off-by: Keerthy <j-keerthy@ti.com> --- configs/j721e_evm_a72_defconfig | 1 + configs/j721e_evm_r5_defconfig | 1 + 2 files changed, 2 insertions(+) diff --git a/configs/j721e_evm_a72_defconfig b/configs/j721e_evm_a72_defconfig index 8f16ae354e..8c9631cd24 100644 --- a/configs/j721e_evm_a72_defconfig +++ b/configs/j721e_evm_a72_defconfig @@ -72,6 +72,7 @@ CONFIG_CMD_UBI=y CONFIG_OF_CONTROL=y CONFIG_SPL_OF_CONTROL=y CONFIG_DEFAULT_DEVICE_TREE="k3-j721e-common-proc-board" +CONFIG_SF_DEFAULT_BUS=1 CONFIG_OF_LIST="k3-j721e-common-proc-board k3-j721e-tps65917-proc-board" CONFIG_SPL_MULTI_DTB_FIT=y CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y diff --git a/configs/j721e_evm_r5_defconfig b/configs/j721e_evm_r5_defconfig index bb3d1a28c6..901d8b76ce 100644 --- a/configs/j721e_evm_r5_defconfig +++ b/configs/j721e_evm_r5_defconfig @@ -60,6 +60,7 @@ CONFIG_CMD_FAT=y CONFIG_OF_CONTROL=y CONFIG_SPL_OF_CONTROL=y CONFIG_DEFAULT_DEVICE_TREE="k3-j721e-r5-common-proc-board" +CONFIG_SF_DEFAULT_BUS=1 CONFIG_ENV_IS_IN_MMC=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_DM=y -- 2.17.1
cd $PSDKLA_PATH/board-support/u-boot-2020.01+gitAUTOINC+2781231a33-g2781231a33 git am 0001-configs-Enable-QSPI.patch.txt cd ../.. make u-boot cp board-support/u-boot_build/a72/tispl.bin board-support/u-boot_build/a72/u-boot.img board-support/prebuilt-binaries/sysfw.itb board-support/u-boot_build/r5/tiboot3.bin /media/$USER/boot/
sf probe 1:0 /* this is for QSPI */
fatload mmc 1 ${loadaddr} tiboot3.bin; sf update $loadaddr 0x0 $filesize;
fatload mmc 1 ${loadaddr} tispl.bin; sf update $loadaddr 0x80000 $filesize;
fatload mmc 1 ${loadaddr} u-boot.img; sf update $loadaddr 0x280000 $filesize;
fatload mmc 1 ${loadaddr} sysfw.itb; sf update $loadaddr 0x6C0000 $filesizeTurn on the board. You can observe the below traces booting from SPI:
U-Boot SPL 2020.01-00002-g8903f0640e-dirty (Aug 09 2021 - 15:42:23 +0530) SYSFW ABI: 3.1 (firmware rev 0x0015 '21.1.1--v2021.01a (Terrific Lla') Trying to boot from SPI Loading Environment from MMC... *** Warning - No MMC card found, using default environment Starting ATF on ARM64 core... NOTICE: BL31: v2.4(release):07.03.00.005-dirty NOTICE: BL31: Built : 00:15:40, Apr 10 2021 U-Boot SPL 2020.01-00002-g8903f0640e-dirty (Aug 09 2021 - 15:42:15 +0530) SYSFW ABI: 3.1 (firmware rev 0x0015 '21.1.1--v2021.01a (Terrific Lla') Detected: J7X-BASE-CPB rev E2 Detected: J7X-INFOTAN-EXP rev E3 Detected: J7X-VSC8514-ETH rev E2 Trying to boot from SPI Can't get reset: -2 Software reset enable failed: -524 U-Boot 2020.01-00002-g8903f0640e-dirty (Aug 09 2021 - 15:42:15 +0530) SoC: J721E SR1.0 Model: Texas Instruments K3 J721E SoC Board: J721EX-PM2-SOM rev E6 DRAM: 4 GiB not found for dev hbmc-mux Flash: 0 Bytes MMC: sdhci@4f80000: 0, sdhci@4fb0000: 1 Loading Environment from MMC... OK In: serial@2800000 Out: serial@2800000 Err: serial@2800000 Detected: J7X-BASE-CPB rev E2 Detected: J7X-INFOTAN-EXP rev E3 Detected: J7X-VSC8514-ETH rev E2 Net: K3 CPSW: nuss_ver: 0x6BA00101 cpsw_ver: 0x6BA80100 ale_ver: 0x00293904 Ports:1 mdio_freq:1000000 Warning: ethernet@46000000 using MAC address from ROM eth0: ethernet@46000000 Hit any key to stop autoboot: 0