Hi Pragnesh, On Thu, May 14, 2020 at 7:54 PM Pragnesh Patel <pragnesh.pa...@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.pa...@sifive.com> > Signed-off-by: Jagan Teki <ja...@amarulasolutions.com> > Reviewed-by: Jagan Teki <ja...@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.git > + cd opensbi > + make 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_defconfig > + make > + > +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-pragnesh.pa...@sifive.com/ > + > /dev/sda > + > +Program the SD card > + > +.. code-block:: none > + > + sudo dd if=spl/u-boot-spl.bin of=/dev/sda seek=34 > + sudo dd if=u-boot.itb of=/dev/sda seek=2082 ditto Regards, Bin
