Hi Pragnesh,
On Thu, May 14, 2020 at 7:54 PM Pragnesh Patel pragnesh.patel@sifive.com wrote:
With sifive_fu540_defconfig:
User can use FSBL or u-boot-spl.bin anyone at a time.
For FSBL, fsbl->fw_payload.bin (opensbi + U-Boot)
For u-boot-spl.bin, u-boot-spl.bin->FIT image (opensbi + U-Boot proper + dtb)
U-Boot SPL will be loaded by ZSBL from SD card (replace fsbl.bin with u-boot-spl.bin) and runs in L2 LIM in machine mode and then load FIT image u-boot.itb from SD card into RAM.
U-Boot SPL expects u-boot.itb FIT image at the starting of SD card sector number (0x822) of GUID type "2E54B353-1271-4842-806F-E436D6AF6985"
Signed-off-by: Pragnesh Patel pragnesh.patel@sifive.com Signed-off-by: Jagan Teki jagan@amarulasolutions.com Reviewed-by: Jagan Teki jagan@amarulasolutions.com
configs/sifive_fu540_defconfig | 8 ++ doc/board/sifive/fu540.rst | 134 +++++++++++++++++++++++++++++++++ 2 files changed, 142 insertions(+)
diff --git a/configs/sifive_fu540_defconfig b/configs/sifive_fu540_defconfig index f805aacc7a..8d412f8d6a 100644 --- a/configs/sifive_fu540_defconfig +++ b/configs/sifive_fu540_defconfig @@ -1,6 +1,11 @@ CONFIG_RISCV=y +CONFIG_SPL_GPIO_SUPPORT=y +CONFIG_SYS_MALLOC_F_LEN=0x3000 CONFIG_ENV_SIZE=0x20000 +CONFIG_SPL_MMC_SUPPORT=y CONFIG_NR_DRAM_BANKS=1 +CONFIG_SPL=y +CONFIG_SPL_SPI_SUPPORT=y CONFIG_TARGET_SIFIVE_FU540=y CONFIG_ARCH_RV64I=y CONFIG_RISCV_SMODE=y @@ -9,7 +14,10 @@ CONFIG_FIT=y CONFIG_MISC_INIT_R=y CONFIG_DISPLAY_CPUINFO=y CONFIG_DISPLAY_BOARDINFO=y +CONFIG_SPL_SEPARATE_BSS=y +CONFIG_SPL_YMODEM_SUPPORT=y CONFIG_OF_BOARD_FIXUP=y CONFIG_DEFAULT_DEVICE_TREE="hifive-unleashed-a00" CONFIG_SYS_RELOC_GD_ENV_ADDR=y +CONFIG_SPL_CLK=y CONFIG_DM_MTD=y diff --git a/doc/board/sifive/fu540.rst b/doc/board/sifive/fu540.rst index 610ba87074..89e8d66c56 100644 --- a/doc/board/sifive/fu540.rst +++ b/doc/board/sifive/fu540.rst @@ -31,6 +31,9 @@ TODO: stdout-path = "/soc/serial@10010000:115200"; };
+Booting from MMC using FSBL +---------------------------
Building
@@ -421,3 +424,134 @@ as well.
Please press Enter to activate this console. / #
+Booting from MMC using U-Boot SPL +---------------------------------
+Building +--------
+Before building U-Boot SPL, OpenSBI must be built first. OpenSBI can be +cloned and built for FU540 as below:
+.. code-block:: console
git clone https://github.com/riscv/opensbi.gitcd opensbimake PLATFORM=generic FW_DYNAMIC=y+Copy OpenSBI FW_DYNAMIC image +(build/platform/generic/firmware/fw_dynamic.bin) into U-Boot +root directory
+.. code-block:: console
cp build/platform/generic/firmware/fw_dynamic.bin <u-boot-dir>+Now build the U-Boot SPL and U-Boot proper
+.. code-block:: console
cd <U-Boot-dir>make sifive_fu540_defconfigmake+This will generate spl/u-boot-spl.bin and FIT image (u-boot.itb)
+Flashing +--------
+ZSBL loads the U-Boot SPL (u-boot-spl.bin) from a partition with GUID type +5B193300-FC78-40CD-8002-E86C45580B47
+U-Boot SPL expects a U-Boot FIT image (u-boot.itb) from a partition with GUID +type 2E54B353-1271-4842-806F-E436D6AF6985
+FIT image (u-boot.itb) is a combination of fw_dynamic.bin, u-boot-nodtb.bin and +device tree blob (hifive-unleashed-a00.dtb)
+Format the SD card (make sure the disk has GPT, otherwise use gdisk to switch)
+.. code-block:: none
# sudo sgdisk --clear \> --set-alignment=2 \> --new=1:34:2081 --change-name=1:loader1 --typecode=1:5B193300-FC78-40CD-8002-E86C45580B47 \> --new=2:2082:10273 --change-name=2:loader2 --typecode=2:2E54B353-1271-4842-806F-E436D6AF6985 \> --new=3:10274: --change-name=3:rootfs --typecode=3:0FC63DAF-8483-4772-8E79-3D69D8477DE4 \
The LBAs in this command do not match what is proposed in this patch:
http://patchwork.ozlabs.org/project/uboot/patch/20200514115258.21042-16-prag...
> /dev/sda+Program the SD card
+.. code-block:: none
sudo dd if=spl/u-boot-spl.bin of=/dev/sda seek=34sudo dd if=u-boot.itb of=/dev/sda seek=2082
ditto
Regards, Bin