From patchwork Thu Jun 4 20:39:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 241749 List-Id: U-Boot discussion From: jagan at amarulasolutions.com (Jagan Teki) Date: Fri, 5 Jun 2020 02:09:44 +0530 Subject: [PATCH v3 1/6] sifive: fu540: Add runtime boot mode detection In-Reply-To: <20200604203949.550290-1-jagan@amarulasolutions.com> References: <20200604203949.550290-1-jagan@amarulasolutions.com> Message-ID: <20200604203949.550290-2-jagan@amarulasolutions.com> Add support to detect boot mode at runtime for SiFive FU540 boards. Signed-off-by: Jagan Teki Reviewed-by: Bin Meng Tested-by: Bin Meng --- Changes for v3: - new patch board/sifive/fu540/fu540.c | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) diff --git a/board/sifive/fu540/fu540.c b/board/sifive/fu540/fu540.c index fa705dea71..a35b79ace3 100644 --- a/board/sifive/fu540/fu540.c +++ b/board/sifive/fu540/fu540.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -120,14 +121,26 @@ int board_init(void) } #ifdef CONFIG_SPL +#define MODE_SELECT_REG 0x1000 +#define MODE_SELECT_QSPI 0x6 +#define MODE_SELECT_SD 0xb +#define MODE_SELECT_MASK GENMASK(3, 0) + u32 spl_boot_device(void) { -#ifdef CONFIG_SPL_MMC_SUPPORT - return BOOT_DEVICE_MMC1; -#else - puts("Unknown boot device\n"); - hang(); -#endif + u32 mode_select = readl((void *)MODE_SELECT_REG); + u32 boot_device = mode_select & MODE_SELECT_MASK; + + switch (boot_device) { + case MODE_SELECT_QSPI: + return BOOT_DEVICE_SPI; + case MODE_SELECT_SD: + return BOOT_DEVICE_MMC1; + default: + debug("Unsupported boot device 0x%x but trying MMC1\n", + boot_device); + return BOOT_DEVICE_MMC1; + } } #endif From patchwork Thu Jun 4 20:39:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 241750 List-Id: U-Boot discussion From: jagan at amarulasolutions.com (Jagan Teki) Date: Fri, 5 Jun 2020 02:09:45 +0530 Subject: [PATCH v3 2/6] sifive: fu540: Add Booting from SPI In-Reply-To: <20200604203949.550290-1-jagan@amarulasolutions.com> References: <20200604203949.550290-1-jagan@amarulasolutions.com> Message-ID: <20200604203949.550290-3-jagan@amarulasolutions.com> Add booting from SPI for SiFive Unleashed board. Signed-off-by: Jagan Teki Reviewed-by: Bin Meng Tested-by: Bin Meng --- Changes for v3: - updated based on master arch/riscv/cpu/fu540/Kconfig | 2 + .../dts/hifive-unleashed-a00-u-boot.dtsi | 12 ++++++ configs/sifive_fu540_defconfig | 4 ++ doc/board/sifive/fu540.rst | 41 +++++++++++++++++++ 4 files changed, 59 insertions(+) diff --git a/arch/riscv/cpu/fu540/Kconfig b/arch/riscv/cpu/fu540/Kconfig index e9302e87c0..7a813a9ac8 100644 --- a/arch/riscv/cpu/fu540/Kconfig +++ b/arch/riscv/cpu/fu540/Kconfig @@ -5,6 +5,8 @@ config SIFIVE_FU540 bool select ARCH_EARLY_INIT_R + imply BOARD + imply BOARD_FU540 imply CPU imply CPU_RISCV imply RISCV_TIMER diff --git a/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi b/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi index 303806454b..4b2b242deb 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>; /* loader2 @1044KB */ + }; + hfclk { u-boot,dm-spl; }; @@ -22,6 +26,14 @@ }; +&qspi0 { + u-boot,dm-spl; + + flash at 0 { + u-boot,dm-spl; + }; +}; + &qspi2 { mmc at 0 { u-boot,dm-spl; diff --git a/configs/sifive_fu540_defconfig b/configs/sifive_fu540_defconfig index 8d412f8d6a..551d4b04a5 100644 --- a/configs/sifive_fu540_defconfig +++ b/configs/sifive_fu540_defconfig @@ -2,9 +2,11 @@ CONFIG_RISCV=y CONFIG_SPL_GPIO_SUPPORT=y CONFIG_SYS_MALLOC_F_LEN=0x3000 CONFIG_ENV_SIZE=0x20000 +CONFIG_SPL_DM_SPI=y CONFIG_SPL_MMC_SUPPORT=y CONFIG_NR_DRAM_BANKS=1 CONFIG_SPL=y +CONFIG_SPL_SPI_FLASH_SUPPORT=y CONFIG_SPL_SPI_SUPPORT=y CONFIG_TARGET_SIFIVE_FU540=y CONFIG_ARCH_RV64I=y @@ -15,9 +17,11 @@ CONFIG_MISC_INIT_R=y CONFIG_DISPLAY_CPUINFO=y CONFIG_DISPLAY_BOARDINFO=y CONFIG_SPL_SEPARATE_BSS=y +CONFIG_SPL_SPI_LOAD=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_DM_SEQ_ALIAS=y CONFIG_SPL_CLK=y CONFIG_DM_MTD=y diff --git a/doc/board/sifive/fu540.rst b/doc/board/sifive/fu540.rst index f7c2c9f5bd..7a4b208288 100644 --- a/doc/board/sifive/fu540.rst +++ b/doc/board/sifive/fu540.rst @@ -533,3 +533,44 @@ Sample boot log from HiFive Unleashed board type: 0fc63daf-8483-4772-8e79-3d69d8477de4 type: linux guid: 9faa81b6-39b1-4418-af5e-89c48f29c20d + +Booting from SPI +---------------- + +Use Building steps from "Booting from MMC using U-Boot SPL" section. + +Partition the SPI in Linux via mtdblock. (Require to boot the board in +SD boot mode by enabling MTD block in Linux) + +Use prebuilt image from here [1], which support to partition the SPI flash. + +.. 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) + +Execute below steps on U-Boot proper, + +.. code-block:: none + + tftpboot $kernel_addr_r u-boot-spl.bin + sf erase 0x5000 $filesize + sf write $kernel_addr_r 0x5000 $filesize + + tftpboot $kernel_addr_r u-boot.itb + sf erase 0x105000 $filesize + 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. + +[1] https://github.com/amarula/bsp-sifive From patchwork Thu Jun 4 20:39:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 241751 List-Id: U-Boot discussion From: jagan at amarulasolutions.com (Jagan Teki) Date: Fri, 5 Jun 2020 02:09:46 +0530 Subject: [PATCH v3 3/6] env: Enable SPI flash env for SiFive FU540 In-Reply-To: <20200604203949.550290-1-jagan@amarulasolutions.com> References: <20200604203949.550290-1-jagan@amarulasolutions.com> Message-ID: <20200604203949.550290-4-jagan@amarulasolutions.com> SPI flash device on HiFive Unleashed has 32MiB Size. This patch add SPI flash environment after U-Boot proper partition with a size of 128KiB. SPI flash partition layout(32MiB): 0 - 34 : reserved for GPT header 35 - 39 : unused 40 - 2087 : loader1 (SPL, FSBL) 2088 - 10279 : loader2 (U-Boot proper, U-Boot) 10280 - 10535 : environment 10536 - 65494 : rootfs 65528 - 65536 : distro script Note: the loader1 must start from 40th sector even though there are 6 free sectors prior since 40th sector is nearest flash sector boundary.? Signed-off-by: Jagan Teki Reviewed-by: Bin Meng Tested-by: Bin Meng --- Changes for v3: - fixed build issues arch/riscv/cpu/fu540/Kconfig | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/riscv/cpu/fu540/Kconfig b/arch/riscv/cpu/fu540/Kconfig index 7a813a9ac8..15698eaf65 100644 --- a/arch/riscv/cpu/fu540/Kconfig +++ b/arch/riscv/cpu/fu540/Kconfig @@ -15,3 +15,16 @@ config SIFIVE_FU540 imply SPL_CPU_SUPPORT imply SPL_OPENSBI imply SPL_LOAD_FIT + +if ENV_IS_IN_SPI_FLASH + +config ENV_OFFSET + default 0x505000 + +config ENV_SIZE + default 0x20000 + +config ENV_SECT_SIZE + default 0x10000 + +endif # ENV_IS_IN_SPI_FLASH From patchwork Thu Jun 4 20:39:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 241752 List-Id: U-Boot discussion From: jagan at amarulasolutions.com (Jagan Teki) Date: Fri, 5 Jun 2020 02:09:47 +0530 Subject: [PATCH v3 4/6] sifive: fu540: Mark the default env as SPI flash In-Reply-To: <20200604203949.550290-1-jagan@amarulasolutions.com> References: <20200604203949.550290-1-jagan@amarulasolutions.com> Message-ID: <20200604203949.550290-5-jagan@amarulasolutions.com> Mark the default U-Boot environment as SPI flash since this is an on board flash device. Reviewed-by: Bin Meng Signed-off-by: Jagan Teki Reviewed-by: Bin Meng Tested-by: Bin Meng --- Changes for v3: - none board/sifive/fu540/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/board/sifive/fu540/Kconfig b/board/sifive/fu540/Kconfig index 86193d7668..e1ba629e37 100644 --- a/board/sifive/fu540/Kconfig +++ b/board/sifive/fu540/Kconfig @@ -27,6 +27,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy def_bool y select SIFIVE_FU540 select SUPPORT_SPL + select ENV_IS_IN_SPI_FLASH select RAM select SPL_RAM if SPL imply CMD_DHCP From patchwork Thu Jun 4 20:39:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 241753 List-Id: U-Boot discussion From: jagan at amarulasolutions.com (Jagan Teki) Date: Fri, 5 Jun 2020 02:09:48 +0530 Subject: [PATCH v3 5/6] sifive: fu540: Add boot flash script offset, size In-Reply-To: <20200604203949.550290-1-jagan@amarulasolutions.com> References: <20200604203949.550290-1-jagan@amarulasolutions.com> Message-ID: <20200604203949.550290-6-jagan@amarulasolutions.com> HiFive-Unleashed-A00 has SPI flash with 32MiB size. So, let's use the script offset at the end of 4K. This way it cannot overlap any offsets being used by software components in flash layout. So, SF distrocmd will pick the script at desired script address and run. Signed-off-by: Jagan Teki Reviewed-by: Bin Meng --- Changes for v3: - none include/configs/sifive-fu540.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/configs/sifive-fu540.h b/include/configs/sifive-fu540.h index 72c841eb9b..68fda14d76 100644 --- a/include/configs/sifive-fu540.h +++ b/include/configs/sifive-fu540.h @@ -62,6 +62,8 @@ "kernel_addr_r=0x84000000\0" \ "fdt_addr_r=0x88000000\0" \ "scriptaddr=0x88100000\0" \ + "script_offset_f=0x1fff000\0" \ + "script_size_f=0x1000\0" \ "pxefile_addr_r=0x88200000\0" \ "ramdisk_addr_r=0x88300000\0" \ "type_guid_gpt_loader1=" TYPE_GUID_LOADER1 "\0" \ From patchwork Thu Jun 4 20:39:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 241754 List-Id: U-Boot discussion From: jagan at amarulasolutions.com (Jagan Teki) Date: Fri, 5 Jun 2020 02:09:49 +0530 Subject: [PATCH v3 6/6] sifive: fu540: Enable SF distro bootcmd In-Reply-To: <20200604203949.550290-1-jagan@amarulasolutions.com> References: <20200604203949.550290-1-jagan@amarulasolutions.com> Message-ID: <20200604203949.550290-7-jagan@amarulasolutions.com> Enable SPI flash(SF) distro boot command in Sifive FU540. This distro boot will read the boot script at specific location at the flash and start sourcing the same. Included the SF device at the last of the target devices list since all the rest of the devices on the list have more possibility to boot the distribution due to the size of the SPI flash is concern. Signed-off-by: Jagan Teki Reviewed-by: Bin Meng --- Changes for v3: - none include/configs/sifive-fu540.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/configs/sifive-fu540.h b/include/configs/sifive-fu540.h index 68fda14d76..f21411a701 100644 --- a/include/configs/sifive-fu540.h +++ b/include/configs/sifive-fu540.h @@ -43,9 +43,11 @@ #ifndef CONFIG_SPL_BUILD #define BOOT_TARGET_DEVICES(func) \ func(MMC, mmc, 0) \ + func(SF, sf, 0) \ func(DHCP, dhcp, na) #include +#include #define TYPE_GUID_LOADER1 "5B193300-FC78-40CD-8002-E86C45580B47" #define TYPE_GUID_LOADER2 "2E54B353-1271-4842-806F-E436D6AF6985" @@ -70,7 +72,8 @@ "type_guid_gpt_loader2=" TYPE_GUID_LOADER2 "\0" \ "type_guid_gpt_system=" TYPE_GUID_SYSTEM "\0" \ "partitions=" PARTS_DEFAULT "\0" \ - BOOTENV + BOOTENV \ + BOOTENV_SF #define CONFIG_PREBOOT \ "setenv fdt_addr ${fdtcontroladdr};" \