1 My board using nor-flash Fram, spi1
jetpack4.6.4 sdk
spi1 pinmux:
spi1@nvidia-xavier:/home/nvidia# cat /sys/kernel/debug/tegra_pinctrl_reg | grep spi1
Bank: 0 Reg: 0x0243b030 Val: 0x00023440 → qspi1_io3_pd3
Bank: 0 Reg: 0x0243b038 Val: 0x00023440 → qspi1_io2_pd2
Bank: 0 Reg: 0x0243b040 Val: 0x00023440 → qspi1_io1_pd1
Bank: 0 Reg: 0x0243b048 Val: 0x00023440 → qspi1_io0_pd0
Bank: 0 Reg: 0x0243b050 Val: 0x00023460 → qspi1_sck_pc6
Bank: 0 Reg: 0x0243b058 Val: 0x00023400 → qspi1_cs_n_pc7
Bank: 0 Reg: 0x0243d010 Val: 0x00001400 → spi1_cs0_pz6
Bank: 0 Reg: 0x0243d020 Val: 0x00001450 → spi1_miso_pz4
Bank: 0 Reg: 0x0243d040 Val: 0x00001400 → spi1_sck_pz3
Bank: 0 Reg: 0x0243d050 Val: 0x00001400 → spi1_cs1_pz7
Bank: 0 Reg: 0x0243d058 Val: 0x00001400 → spi1_mosi_pz5
2.kernel and dtb modify:
- sudo ./flash.sh -r jetson-agx-xavier-industrial mmcblk0p1 flash module, can’t see mtd device
(nor-flash ) root@nvidia-xavier:/home/nvidia# cat /proc/mtd
dev: size erasesize name
mtd0: 04000000 00040000 “Whole_flash0”
mtd1: 02000000 00001000 “Secure_ROM”
pls nv help me