From patchwork Mon Apr 20 14:05:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 238107 List-Id: U-Boot discussion From: jagan at amarulasolutions.com (Jagan Teki) Date: Mon, 20 Apr 2020 19:35:10 +0530 Subject: [PATCH 1/5] sifive: fu540: Add Booting from SPI In-Reply-To: <20200420140514.25847-1-jagan@amarulasolutions.com> References: <20200420140514.25847-1-jagan@amarulasolutions.com> Message-ID: <20200420140514.25847-2-jagan@amarulasolutions.com> U-Boot SPL 2020.04-rc4-g0b8ed9b8b6 (Apr 20 2020 - 18:31:50 +0530) Trying to boot from MMC1 U-Boot 2020.04-rc4-g0b8ed9b8b6 (Apr 20 2020 - 18:31:50 +0530) CPU: rv64imafdc Model: SiFive HiFive Unleashed A00 DRAM: 8 GiB MMC: spi at 10050000:mmc at 0: 0 Loading Environment from SPI Flash... SF: Detected is25wp256 with page size 256 Bytes, erase size 4 KiB, total 32 MiB *** Warning - bad CRC, using default environment In: serial at 10010000 Out: serial at 10010000 Err: serial at 10010000 Net: eth0: ethernet at 10090000 Hit any key to stop autoboot: 0 Signed-off-by: Jagan Teki Reviewed-by: Bin Meng --- .../dts/hifive-unleashed-a00-u-boot.dtsi | 12 ++++++ board/sifive/fu540/fu540.c | 3 ++ configs/sifive_fu540_spi_defconfig | 26 +++++++++++ doc/board/sifive/fu540.rst | 43 +++++++++++++++++++ 4 files changed, 84 insertions(+) create mode 100644 configs/sifive_fu540_spi_defconfig diff --git a/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi b/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi index 0162f59f60..f5a208398f 100644 --- a/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi +++ b/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi @@ -12,6 +12,10 @@ spi2 = &qspi2; }; + config { + u-boot,spl-payload-offset = <0x105000>; /* @ 1044KB */ + }; + hfclk { u-boot,dm-spl; }; @@ -21,6 +25,14 @@ }; }; +&qspi0 { + u-boot,dm-spl; + + flash at 0 { + u-boot,dm-spl; + }; +}; + &qspi2 { mmc at 0 { u-boot,dm-spl; diff --git a/board/sifive/fu540/fu540.c b/board/sifive/fu540/fu540.c index 131fee8898..84dd20e29d 100644 --- a/board/sifive/fu540/fu540.c +++ b/board/sifive/fu540/fu540.c @@ -129,6 +129,9 @@ void board_boot_order(u32 *spl_boot_list) u32 boot_devices[] = { #ifdef CONFIG_SPL_MMC_SUPPORT BOOT_DEVICE_MMC1, +#endif +#ifdef CONFIG_SPL_SPI_LOAD + BOOT_DEVICE_SPI, #endif }; diff --git a/configs/sifive_fu540_spi_defconfig b/configs/sifive_fu540_spi_defconfig new file mode 100644 index 0000000000..24d0a9338e --- /dev/null +++ b/configs/sifive_fu540_spi_defconfig @@ -0,0 +1,26 @@ +CONFIG_RISCV=y +CONFIG_ENV_SIZE=0x20000 +CONFIG_NR_DRAM_BANKS=1 +CONFIG_TARGET_SIFIVE_FU540=y +CONFIG_ARCH_RV64I=y +CONFIG_RISCV_SMODE=y +CONFIG_DISTRO_DEFAULTS=y +CONFIG_FIT=y +CONFIG_MISC_INIT_R=y +CONFIG_DISPLAY_CPUINFO=y +CONFIG_DISPLAY_BOARDINFO=y +CONFIG_DEFAULT_DEVICE_TREE="hifive-unleashed-a00" +CONFIG_SYS_RELOC_GD_ENV_ADDR=y +CONFIG_DM_MTD=y +CONFIG_SPL_SEPARATE_BSS=y +CONFIG_SPL=y +CONFIG_SPL_DM_SEQ_ALIAS=y +CONFIG_SPL_DM_SPI=y +CONFIG_SPL_SPI_FLASH_SUPPORT=y +CONFIG_SPL_SPI_SUPPORT=y +CONFIG_SPL_SPI_LOAD=y +CONFIG_SPL_YMODEM_SUPPORT=y +CONFIG_SPL_CLK=y +CONFIG_SPL_GPIO_SUPPORT=y +CONFIG_SYS_MALLOC_F_LEN=0x3000 +CONFIG_SIFIVE_FU540_DDR=y diff --git a/doc/board/sifive/fu540.rst b/doc/board/sifive/fu540.rst index 691ef232e2..14323e0985 100644 --- a/doc/board/sifive/fu540.rst +++ b/doc/board/sifive/fu540.rst @@ -391,3 +391,46 @@ Program the SD card Change DIP switches MSEL[3:0] are set to 1011 Insert the SD card and power up the board. + +Booting from SPI +---------------- + +Use steps from "Building" section for building the U-Boot + +.. code-block:: none + + export ARCH=riscv + export CROSS_COMPILE= + make sifive_fu540_spi_defconfig + make + +Partition the SPI in Linux via mtdblock. (Require to boot +the board in SD boot mode by enabling MTD block in Linux) + +.. code-block:: none + + # sgdisk --clear \ + > --set-alignment=2 \ + > --new=1:40:2087 --change-name=1:loader1 --typecode=1:5B193300-FC78-40CD-8002-E86C45580B47 \ + > --new=2:2088:10279 --change-name=2:loader2 --typecode=2:2E54B353-1271-4842-806F-E436D6AF6985 \ + > --new=3:10536:65494 --change-name=3:rootfs --typecode=3:0FC63DAF-8483-4772-8E79-3D69D8477DE4 \ + > /dev/mtdblock0 + +Program the SPI (Require to boot the board in SD boot mode) +on U-Boot proper. + +.. code-block:: none + + sf erase 0x5000 0x100000 + tftpboot $kernel_addr_r u-boot-spl.bin + sf write $kernel_addr_r 0x5000 $filesize + + sf erase 0x105000 0x100000 + tftpboot $kernel_addr_r u-boot.itb + sf write $kernel_addr_r 0x105000 $filesize + +Power off the board + +Change DIP switches MSEL[3:0] are set to 0110 + +Power up the board.