There's a S28HS512T Flash (by Cypress) on the AM625 SK EVM. - Add necessary DT nodes to enable OSPI interface with this flash. - Enable all configs that enable the OSPI related drivers and commands like SF probe.
Tested on my AM62 SK EVM, attaching logs below.
Logs: ------------------------------------------------------------------------ U-Boot SPL 2022.10-rc5-00012-g435596d57f8b-dirty (Sep 26 2022 - 16:27:48 +0530) SYSFW ABI: 3.1 (firmware rev 0x0008 '8.4.6--v08.04.06 (Jolly Jellyfi') Trying to boot from MMC2 Starting ATF on ARM64 core...
NOTICE: BL31: v2.7(release):v2.7.0-dirty NOTICE: BL31: Built : 14:30:02, Aug 27 2022
U-Boot SPL 2022.10-rc5-00012-g435596d57f8b-dirty (Sep 26 2022 - 17:51:27 +0530) SYSFW ABI: 3.1 (firmware rev 0x0008 '8.4.6--v08.04.06 (Jolly Jellyfi') Trying to boot from MMC2
U-Boot 2022.10-rc5-00012-g435596d57f8b-dirty (Sep 26 2022 - 17:51:27 +0530)
SoC: AM62X SR1.0 GP Model: Texas Instruments AM625 SK DRAM: 2 GiB Core: 37 devices, 18 uclasses, devicetree: separate MMC: mmc@fa10000: 2, mmc@fa00000: 1, mmc@fa20000: 3 Loading Environment from nowhere... OK In: serial@2800000 Out: serial@2800000 Err: serial@2800000 Net: No ethernet found. Hit any key to stop autoboot: 0 => sf probe SF: Detected s28hs512t with page size 256 Bytes, erase size 256 KiB, total 64 MiB => fatload mmc 1 $loadaddr tiboot3.bin 285482 bytes read in 17 ms (16 MiB/s) => sf update $loadaddr 0x0 $filesize device 0 offset 0x0, size 0x45b2a 285482 bytes written, 0 bytes skipped in 2.623s, speed 111322 B/s => sf read 0x90000000 0x0 $filesize device 0 offset 0x0, size 0x45b2a SF: 285482 bytes @ 0x0 Read: OK => md $loadaddr 82000000: 94048230 fd038230 010203a0 64140202 0...0..........d 82000010: 3f829a45 85bb6dd8 232b5568 f8f4176f E..?.m..hU+#o... 82000020: 309fb7ff 2a09060d f7864886 0d01010d ...0...*.H...... 82000030: 81300005 300b319d 55030609 02130604 ..0..1.0...U.... 82000040: 0b315355 03060930 0c080455 31585402 US1.0...U....TX1 82000050: 060d300f 07045503 6144060c 73616c6c .0...U....Dallas 82000060: 25302731 04550306 541e0c0a 73617865 1'0%..U....Texas 82000070: 736e4920 6d757274 73746e65 636e4920 Instruments Inc 82000080: 6f70726f 65746172 30133164 55030611 orporated1.0...U 82000090: 0a0c0b04 636f7250 6f737365 13317372 ....Processors1. 820000a0: 03061130 0c030455 2049540a 70707553 0...U....TI Supp 820000b0: 3174726f 061b301d 48862a09 010df786 ort1.0...*.H.... 820000c0: 0e160109 70707573 4074726f 632e6974 ....support@ti.c 820000d0: 1e306d6f 32320d17 36323930 38353031 om0...2209261058 820000e0: 175a3331 3132320d 31363230 31383530 13Z..22102610581 820000f0: 81305a33 300b319d 55030609 02130604 3Z0..1.0...U.... => md 0x90000000 90000000: 94048230 fd038230 010203a0 64140202 0...0..........d 90000010: 3f829a45 85bb6dd8 232b5568 f8f4176f E..?.m..hU+#o... 90000020: 309fb7ff 2a09060d f7864886 0d01010d ...0...*.H...... 90000030: 81300005 300b319d 55030609 02130604 ..0..1.0...U.... 90000040: 0b315355 03060930 0c080455 31585402 US1.0...U....TX1 90000050: 060d300f 07045503 6144060c 73616c6c .0...U....Dallas 90000060: 25302731 04550306 541e0c0a 73617865 1'0%..U....Texas 90000070: 736e4920 6d757274 73746e65 636e4920 Instruments Inc 90000080: 6f70726f 65746172 30133164 55030611 orporated1.0...U 90000090: 0a0c0b04 636f7250 6f737365 13317372 ....Processors1. 900000a0: 03061130 0c030455 2049540a 70707553 0...U....TI Supp 900000b0: 3174726f 061b301d 48862a09 010df786 ort1.0...*.H.... 900000c0: 0e160109 70707573 4074726f 632e6974 ....support@ti.c 900000d0: 1e306d6f 32320d17 36323930 38353031 om0...2209261058 900000e0: 175a3331 3132320d 31363230 31383530 13Z..22102610581 900000f0: 81305a33 300b319d 55030609 02130604 3Z0..1.0...U.... => cmp.b $loadaddr 0x90000000 $filesize Total of 285482 byte(s) were the same ------------------------------------------------------------------------
Thus tested read, write and probe flash from u-boot prompt
Dhruva Gole (2): arm: dts: k3-am625-sk: Add OSPI support configs: am62x_evm_a53: Enable OSPI Flash support
arch/arm/dts/k3-am625-sk-u-boot.dtsi | 24 +++++++++ arch/arm/dts/k3-am625-sk.dts | 77 ++++++++++++++++++++++++++++ configs/am62x_evm_a53_defconfig | 13 +++++ 3 files changed, 114 insertions(+)