diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.fsl-trustzone-components | 4 | ||||
| -rw-r--r-- | doc/README.gpt | 41 | ||||
| -rw-r--r-- | doc/README.rockchip | 11 |
3 files changed, 53 insertions, 3 deletions
diff --git a/doc/README.fsl-trustzone-components b/doc/README.fsl-trustzone-components index a3afd1f5f45..e1223469e33 100644 --- a/doc/README.fsl-trustzone-components +++ b/doc/README.fsl-trustzone-components @@ -1,4 +1,4 @@ -Freescale ARM64 SoCs like LS2085A have ARM TrustZone components like +Freescale ARM64 SoCs like LS2080A have ARM TrustZone components like TZPC-BP147 (TrustZone Protection Controller) and TZASC-400 (TrustZone Address Space Controller). @@ -7,7 +7,7 @@ is left to a root-of-trust security software layer (running in EL3 privilege mode), but still some configurations of these peripherals might be required while the bootloader is executing in EL3 privilege mode. The following sections define how to turn on these features for -LS2085A like SoCs. +LS2080A like SoCs. TZPC-BP147 (TrustZone Protection Controller) ============================================ diff --git a/doc/README.gpt b/doc/README.gpt index 35902ce0c88..a6f6de6a0f5 100644 --- a/doc/README.gpt +++ b/doc/README.gpt @@ -142,6 +142,10 @@ of the Primary. Attribute flags: Bit 0 - System partition + Bit 1 - Hide from EFI + Bit 2 - Legacy BIOS bootable + Bit 48-63 - Defined and used by the individual partition type + For Basic data partition : Bit 60 - Read-only Bit 62 - Hidden Bit 63 - Not mount @@ -161,16 +165,51 @@ To restore GUID partition table one needs to: The fields 'name' and 'size' are mandatory for every partition. The field 'start' is optional. + If field 'size' of the last partition is 0, the partiton is extended + up to the end of the device. + The fields 'uuid' and 'uuid_disk' are optional if CONFIG_RANDOM_UUID is enabled. A random uuid will be used if omitted or they point to an empty/ non-existent environment variable. The environment variable will be set to the generated UUID. + The field 'bootable' is optional, it is used to mark the GPT partition + bootable (set attribute flags "Legacy BIOS bootable"). + "name=u-boot,size=60MiB;name=boot,size=60Mib,bootable;name=rootfs,size=0" + It can be used to locate bootable disks with command + "part list <interface> <dev> -bootable <varname>", + please check out doc/README.distro for use. + 2. Define 'CONFIG_EFI_PARTITION' and 'CONFIG_CMD_GPT' -2. From u-boot prompt type: +3. From u-boot prompt type: gpt write mmc 0 $partitions +Checking (validating) GPT partitions in U-Boot: +=============================================== + +Procedure is the same as above. The only change is at point 3. + +At u-boot prompt one needs to write: + gpt verify mmc 0 [$partitions] + +where [$partitions] is an optional parameter. + +When it is not provided, only basic checks based on CRC32 calculation for GPT +header and PTEs are performed. +When provided, additionally partition data - name, size and starting +offset (last two in LBA) - are compared with data defined in '$partitions' +environment variable. + +After running this command, return code is set to 0 if no errors found in +on non-volatile medium stored GPT. + +Following line can be used to assess if GPT verification has succeed: + +U-BOOT> gpt verify mmc 0 $partitions +U-BOOT> if test $? = 0; then echo "GPT OK"; else echo "GPT ERR"; fi + + Partition type GUID: ==================== diff --git a/doc/README.rockchip b/doc/README.rockchip index 87ce9d2e9f3..874441c34ec 100644 --- a/doc/README.rockchip +++ b/doc/README.rockchip @@ -42,6 +42,10 @@ At present three RK3288 boards are supported: - Radxa Rock 2 - also uses firefly-rk3288 configuration - Haier Chromebook - use chromebook_jerry configuration +one RK3036 board is support: + + - EVB RK3036 - use evb-rk3036_defconfig configuration + For example: CROSS_COMPILE=arm-linux-gnueabi- make O=firefly firefly-rk3288_defconfig all @@ -118,6 +122,13 @@ something like: Err: serial@ff690000 => +For evb_rk3036 board: + ./evb-rk3036/tools/mkimage -T rksd -d evb-rk3036/spl/u-boot-spl.bin out && \ + cat evb-rk3036/u-boot-dtb.bin >> out && \ + sudo dd if=out of=/dev/sdc seek=64 + +Note: rk3036 SDMMC and debug uart use the same iomux, so if you boot from SD, the + debug uart must be disabled Booting from SPI ================ |