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ass:laboratoare:04:tasks:01 [2024/08/09 17:44] florin.stancu [01. Preparation] |
ass:laboratoare:04:tasks:01 [2024/08/09 18:48] (current) florin.stancu [01. Preparation] |
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| Line 28: | Line 28: | ||
| +++ w/arch/arm64/boot/dts/freescale/imx8mq-pico-pi.dts | +++ w/arch/arm64/boot/dts/freescale/imx8mq-pico-pi.dts | ||
| @@ -35,6 +35,13 @@ reg_usb_otg_vbus: regulator-usb-otg-vbus { | @@ -35,6 +35,13 @@ reg_usb_otg_vbus: regulator-usb-otg-vbus { | ||
| - | regulator-max-microvolt = <5000000>; | + | regulator-max-microvolt = <5000000>; |
| - | gpio = <&gpio3 14 GPIO_ACTIVE_LOW>; | + | gpio = <&gpio3 14 GPIO_ACTIVE_LOW>; |
| - | }; | + | }; |
| + | + | ||
| - | + firmware { | + | + firmware { |
| - | + optee { | + | + optee { |
| - | + compatible = "linaro,optee-tz"; | + | + compatible = "linaro,optee-tz"; |
| - | + method = "smc"; | + | + method = "smc"; |
| - | + }; | + | + }; |
| - | + }; | + | + }; |
| }; | }; | ||
| + | |||
| &fec1 { | &fec1 { | ||
| @@ -80,6 +87,7 @@ buck1: BUCK1 { | @@ -80,6 +87,7 @@ buck1: BUCK1 { | ||
| - | regulator-min-microvolt = <700000>; | + | regulator-min-microvolt = <700000>; |
| - | regulator-max-microvolt = <1300000>; | + | regulator-max-microvolt = <1300000>; |
| - | regulator-boot-on; | + | regulator-boot-on; |
| - | + regulator-always-on; | + | + regulator-always-on; |
| - | regulator-ramp-delay = <1250>; | + | regulator-ramp-delay = <1250>; |
| - | rohm,dvs-run-voltage = <900000>; | + | rohm,dvs-run-voltage = <900000>; |
| - | rohm,dvs-idle-voltage = <850000>; | + | rohm,dvs-idle-voltage = <850000>; |
| @@ -91,6 +99,7 @@ buck2: BUCK2 { | @@ -91,6 +99,7 @@ buck2: BUCK2 { | ||
| - | regulator-min-microvolt = <700000>; | + | regulator-min-microvolt = <700000>; |
| - | regulator-max-microvolt = <1300000>; | + | regulator-max-microvolt = <1300000>; |
| - | regulator-boot-on; | + | regulator-boot-on; |
| - | + regulator-always-on; | + | + regulator-always-on; |
| - | regulator-ramp-delay = <1250>; | + | regulator-ramp-delay = <1250>; |
| - | rohm,dvs-run-voltage = <1000000>; | + | rohm,dvs-run-voltage = <1000000>; |
| - | rohm,dvs-idle-voltage = <900000>; | + | rohm,dvs-idle-voltage = <900000>; |
| @@ -101,6 +110,7 @@ buck3: BUCK3 { | @@ -101,6 +110,7 @@ buck3: BUCK3 { | ||
| - | regulator-min-microvolt = <700000>; | + | regulator-min-microvolt = <700000>; |
| - | regulator-max-microvolt = <1300000>; | + | regulator-max-microvolt = <1300000>; |
| - | regulator-boot-on; | + | regulator-boot-on; |
| - | + regulator-always-on; | + | + regulator-always-on; |
| - | rohm,dvs-run-voltage = <1000000>; | + | rohm,dvs-run-voltage = <1000000>; |
| - | }; | + | }; |
| + | |||
| @@ -109,6 +119,7 @@ buck4: BUCK4 { | @@ -109,6 +119,7 @@ buck4: BUCK4 { | ||
| - | regulator-min-microvolt = <700000>; | + | regulator-min-microvolt = <700000>; |
| - | regulator-max-microvolt = <1300000>; | + | regulator-max-microvolt = <1300000>; |
| - | regulator-boot-on; | + | regulator-boot-on; |
| - | + regulator-always-on; | + | + regulator-always-on; |
| - | rohm,dvs-run-voltage = <1000000>; | + | rohm,dvs-run-voltage = <1000000>; |
| - | }; | + | }; |
| + | |||
| @@ -117,6 +128,7 @@ buck5: BUCK5 { | @@ -117,6 +128,7 @@ buck5: BUCK5 { | ||
| - | regulator-min-microvolt = <700000>; | + | regulator-min-microvolt = <700000>; |
| - | regulator-max-microvolt = <1350000>; | + | regulator-max-microvolt = <1350000>; |
| - | regulator-boot-on; | + | regulator-boot-on; |
| - | + regulator-always-on; | + | + regulator-always-on; |
| - | }; | + | }; |
| - | + | ||
| - | buck6: BUCK6 { | + | buck6: BUCK6 { |
| @@ -124,6 +136,7 @@ buck6: BUCK6 { | @@ -124,6 +136,7 @@ buck6: BUCK6 { | ||
| - | regulator-min-microvolt = <3000000>; | + | regulator-min-microvolt = <3000000>; |
| - | regulator-max-microvolt = <3300000>; | + | regulator-max-microvolt = <3300000>; |
| - | regulator-boot-on; | + | regulator-boot-on; |
| - | + regulator-always-on; | + | + regulator-always-on; |
| - | }; | + | }; |
| - | + | ||
| - | buck7: BUCK7 { | + | buck7: BUCK7 { |
| @@ -131,6 +144,7 @@ buck7: BUCK7 { | @@ -131,6 +144,7 @@ buck7: BUCK7 { | ||
| - | regulator-min-microvolt = <1605000>; | + | regulator-min-microvolt = <1605000>; |
| - | regulator-max-microvolt = <1995000>; | + | regulator-max-microvolt = <1995000>; |
| - | regulator-boot-on; | + | regulator-boot-on; |
| - | + regulator-always-on; | + | + regulator-always-on; |
| - | }; | + | }; |
| - | + | ||
| - | buck8: BUCK8 { | + | buck8: BUCK8 { |
| @@ -138,6 +152,7 @@ buck8: BUCK8 { | @@ -138,6 +152,7 @@ buck8: BUCK8 { | ||
| - | regulator-min-microvolt = <800000>; | + | regulator-min-microvolt = <800000>; |
| - | regulator-max-microvolt = <1400000>; | + | regulator-max-microvolt = <1400000>; |
| - | regulator-boot-on; | + | regulator-boot-on; |
| - | + regulator-always-on; | + | + regulator-always-on; |
| - | }; | + | }; |
| - | + | ||
| - | ldo1: LDO1 { | + | ldo1: LDO1 { |
| @@ -161,6 +176,7 @@ ldo3: LDO3 { | @@ -161,6 +176,7 @@ ldo3: LDO3 { | ||
| - | regulator-min-microvolt = <1800000>; | + | regulator-min-microvolt = <1800000>; |
| - | regulator-max-microvolt = <3300000>; | + | regulator-max-microvolt = <3300000>; |
| - | regulator-boot-on; | + | regulator-boot-on; |
| - | + regulator-always-on; | + | + regulator-always-on; |
| - | }; | + | }; |
| - | + | ||
| - | ldo4: LDO4 { | + | ldo4: LDO4 { |
| @@ -168,6 +184,7 @@ ldo4: LDO4 { | @@ -168,6 +184,7 @@ ldo4: LDO4 { | ||
| - | regulator-min-microvolt = <900000>; | + | regulator-min-microvolt = <900000>; |
| - | regulator-max-microvolt = <1800000>; | + | regulator-max-microvolt = <1800000>; |
| - | regulator-boot-on; | + | regulator-boot-on; |
| - | + regulator-always-on; | + | + regulator-always-on; |
| - | }; | + | }; |
| - | + | ||
| - | ldo5: LDO5 { | + | ldo5: LDO5 { |
| @@ -175,6 +192,7 @@ ldo5: LDO5 { | @@ -175,6 +192,7 @@ ldo5: LDO5 { | ||
| - | regulator-min-microvolt = <1800000>; | + | regulator-min-microvolt = <1800000>; |
| - | regulator-max-microvolt = <3300000>; | + | regulator-max-microvolt = <3300000>; |
| - | regulator-boot-on; | + | regulator-boot-on; |
| - | + regulator-always-on; | + | + regulator-always-on; |
| - | }; | + | }; |
| - | + | ||
| - | ldo6: LDO6 { | + | ldo6: LDO6 { |
| @@ -182,6 +200,7 @@ ldo6: LDO6 { | @@ -182,6 +200,7 @@ ldo6: LDO6 { | ||
| - | regulator-min-microvolt = <900000>; | + | regulator-min-microvolt = <900000>; |
| - | regulator-max-microvolt = <1800000>; | + | regulator-max-microvolt = <1800000>; |
| - | regulator-boot-on; | + | regulator-boot-on; |
| - | + regulator-always-on; | + | + regulator-always-on; |
| - | }; | + | }; |
| + | |||
| + | ldo7: LDO7 { | ||
| + | @@ -189,6 +208,7 @@ ldo7: LDO7 { | ||
| + | regulator-min-microvolt = <1800000>; | ||
| + | regulator-max-microvolt = <3300000>; | ||
| + | regulator-boot-on; | ||
| + | + regulator-always-on; | ||
| + | }; | ||
| + | }; | ||
| + | }; | ||
| - | ldo7: LDO7 { | ||
| - | @@ -189,6 +208,7 @@ ldo7: LDO7 { | ||
| - | regulator-min-microvolt = <1800000>; | ||
| - | regulator-max-microvolt = <3300000>; | ||
| - | regulator-boot-on; | ||
| - | + regulator-always-on; | ||
| - | }; | ||
| - | }; | ||
| - | }; | ||
| </code> | </code> | ||
| </spoiler> | </spoiler> | ||
| Line 244: | Line 245: | ||
| # format partition 1 as FAT32 & partition 2 as ext4 | # format partition 1 as FAT32 & partition 2 as ext4 | ||
| - | [student@host ~]$ mkimage.fat -F 32 /dev/sdb1 | + | [student@host ~]$ sudo mkfs.fat -F 32 /dev/sdb1 |
| - | [student@host ~]$ mkimage.ext4 /dev/sdb2 | + | [student@host ~]$ sudo mkfs.ext4 /dev/sdb2 |
| # copy FIT image (without ramdisk!) to FAT32 partition | # copy FIT image (without ramdisk!) to FAT32 partition | ||
| - | [student@host ~/staging]$ mount /dev/sdb1 /mnt | + | [student@host ~/staging]$ sudo mount /dev/sdb1 /mnt |
| - | [student@host ~/staging]$ cp linux.itb | + | [student@host ~/staging]$ sudo cp linux.itb /mnt |
| - | [student@host ~/staging]$ umount /mnt | + | [student@host ~/staging]$ sudo umount /mnt |
| # extract rootfs CPIO contents onto ext4 partition | # extract rootfs CPIO contents onto ext4 partition | ||
| # NOTE: ext4 required in order to support symlinks | # NOTE: ext4 required in order to support symlinks | ||
| - | [student@host ~/buildroot]$ mount /dev/sdb2 /mnt | + | [student@host ~/buildroot]$ sudo mount /dev/sdb2 /mnt |
| - | [student@host ~/buildroot]$ cpio -i -D /mnt -F output/images/rootfs.cpio | + | [student@host ~/buildroot]$ sudo cpio -i -D /mnt -F output/images/rootfs.cpio |
| - | [student@host ~/staging]$ umount /mnt | + | [student@host ~/staging]$ sudo umount /mnt |
| </code> | </code> | ||
| Line 272: | Line 273: | ||
| <code bash> | <code bash> | ||
| - | # place the FIP onto the eMMC at 33KB offset from the start | + | # place the FIP onto the eMMC at 32KB offset from the start |
| - | [student@host ~/imx-mkimage/iMX8M]$ dd if=flash.bin of=/dev/sda bs=1024 seek=33 conv=fsync oflag=direct status=progress | + | # NOTE: for other ARMv8 platforms, this offset could be 33KB; check the datasheet |
| + | [student@host ~/imx-mkimage/iMX8M]$ dd if=flash.bin of=/dev/sda bs=1024 seek=32 conv=fsync oflag=direct status=progress | ||
| </code> | </code> | ||
