- Add new board/slimbootloader directory with minimum codes - Add slimbootloader configuration files - Add README in board/slimbootloader/slimbootloader/
Signed-off-by: Aiden Park aiden.park@intel.com --- arch/x86/Kconfig | 4 ++ board/slimbootloader/Kconfig | 25 ++++++++ board/slimbootloader/slimbootloader/Kconfig | 51 +++++++++++++++ board/slimbootloader/slimbootloader/Makefile | 5 ++ board/slimbootloader/slimbootloader/README | 58 +++++++++++++++++ .../slimbootloader/slimbootloader.c | 17 +++++ board/slimbootloader/slimbootloader/start.S | 9 +++ configs/slimbootloader_defconfig | 64 +++++++++++++++++++ include/configs/slimbootloader.h | 54 ++++++++++++++++ 9 files changed, 287 insertions(+) create mode 100644 board/slimbootloader/Kconfig create mode 100644 board/slimbootloader/slimbootloader/Kconfig create mode 100644 board/slimbootloader/slimbootloader/Makefile create mode 100644 board/slimbootloader/slimbootloader/README create mode 100644 board/slimbootloader/slimbootloader/slimbootloader.c create mode 100644 board/slimbootloader/slimbootloader/start.S create mode 100644 configs/slimbootloader_defconfig create mode 100644 include/configs/slimbootloader.h
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 1612246dfc..3d57466a63 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -77,6 +77,9 @@ config VENDOR_GOOGLE config VENDOR_INTEL bool "Intel"
+config VENDOR_SLIMBOOTLOADER + bool "slimbootloader" + endchoice
# subarchitectures-specific options below @@ -104,6 +107,7 @@ source "board/efi/Kconfig" source "board/emulation/Kconfig" source "board/google/Kconfig" source "board/intel/Kconfig" +source "board/slimbootloader/Kconfig"
# platform-specific options below source "arch/x86/cpu/baytrail/Kconfig" diff --git a/board/slimbootloader/Kconfig b/board/slimbootloader/Kconfig new file mode 100644 index 0000000000..33c6fdf0aa --- /dev/null +++ b/board/slimbootloader/Kconfig @@ -0,0 +1,25 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2019 Intel Corporation <www.intel.com> + +if VENDOR_SLIMBOOTLOADER + +choice + prompt "Select a board" + optional + +config TARGET_SLIMBOOTLOADER + bool "slimbootloader" + help + This target is used for running U-Boot on top of Slim Bootloader + boot firmware as a payload. Slim Bootloader does memory initialization + and silicon initialization, and it passes necessary information in + HOB(Hand Off Block) to a payload. The payload is responsible for OS + load from media and booting OS. + Refer to board/slimbootloader/slimbootloader/README for the details. + +endchoice + +source "board/slimbootloader/slimbootloader/Kconfig" + +endif diff --git a/board/slimbootloader/slimbootloader/Kconfig b/board/slimbootloader/slimbootloader/Kconfig new file mode 100644 index 0000000000..7262f2bf1b --- /dev/null +++ b/board/slimbootloader/slimbootloader/Kconfig @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2019 Intel Corporation <www.intel.com> + +if TARGET_SLIMBOOTLOADER + +config SYS_BOARD + default "slimbootloader" + +config SYS_VENDOR + default "slimbootloader" + +config SYS_SOC + default "slimbootloader" + +config SYS_TEXT_BASE + default 0x00100000 + +comment "slimbootloader-specific options" + +config SYS_CONFIG_NAME + string "Board configuration file" + default "slimbootloader" + help + This option selects the board configuration file in include/configs/ + directory to be used to build U-Boot for Slim Bootloader. + +config DEFAULT_DEVICE_TREE + string "Board Device Tree Source (dts) file" + default "slimbootloader" + help + This option selects the board Device Tree Source (dts) file in + arch/x86/dts/ directory to be used to build U-Boot for Slim Bootloader. + +config SYS_CAR_ADDR + hex "Board specific Cache-As-RAM (CAR) address" + default 0x00000000 + help + This option specifies the board specific Cache-As-RAM (CAR) address. + But, CAR is not required for Slim Bootloader environment since it + has already initialized memory and launched u-boot as a payload. + +config SYS_CAR_SIZE + hex "Board specific Cache-As-RAM (CAR) size" + default 0x0000 + help + This option specifies the board specific Cache-As-RAM (CAR) size. + But, CAR is not required for Slim Bootloader environment since it + has already initialized memory and launched u-boot as a payload. + +endif diff --git a/board/slimbootloader/slimbootloader/Makefile b/board/slimbootloader/slimbootloader/Makefile new file mode 100644 index 0000000000..fd8fa98a8d --- /dev/null +++ b/board/slimbootloader/slimbootloader/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2019 Intel Corporation <www.intel.com> + +obj-y += start.o slimbootloader.o diff --git a/board/slimbootloader/slimbootloader/README b/board/slimbootloader/slimbootloader/README new file mode 100644 index 0000000000..5492dc8883 --- /dev/null +++ b/board/slimbootloader/slimbootloader/README @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2019 Intel Corporation <www.intel.com> + +Introduction +============ +This target is to enable U-Boot as a payload of Slim Bootloader(a.k.a SBL) +boot firmware(https://github.com/slimbootloader/slimbootloader) which currently +supports QEMU, Apollolake, Whiskeylake, Coffeelake-Refresh platforms. + +The Slim Bootloader is designed with multi-stages(Stage1A/B, Stage2, Payload) +architecture to cover from reset vector to OS booting and it consumes Intel FSP +(https://github.com/IntelFsp/FSP) for silicon initialization. +* Stage1A: Reset vector, CAR init with FSP-T +* Stage1B: Memory init with FSP-M, CAR teardown, Continue execution in memory +* Stage2 : Rest of Silicon init with FSP-S, Create HOB, Hand-off to Payload +* Payload: Load OS from media, Booting OS + + +Here is the step-by-step to launch U-Boot on Slim Bootloader. + +Compile U-Boot +============== + + > make slimbootloader_defconfig all + > strip u-boot (To make it smaller size by removing debug symbols) + + +Compile Slim Bootloader with U-Boot +=================================== + +For build environment: + https://slimbootloader.github.io/getting-started/build-host-setup.html + +Get source code: + > git clone https://github.com/slimbootloader/slimbootloader.git + +Copy the built u-boot elf to Slim Bootloader source tree: + > mkdir -p <slimbootloader_home>/PayloadPkg/PayloadBins/ + > cp <u-boot_home>/u-boot <slimbootloader_home>/PayloadPkg/PayloadBins/ + +Update default payload to U-Boot (PayloadId is 4 Bytes): + > vi Platform/QemuBoardPkg/CfgData/CfgDataExt_Brd1.dlt + -GEN_CFG_DATA.PayloadId | 'AUTO' + +GEN_CFG_DATA.PayloadId | 'U-BT' + +Compile for QEMU target: + The output is Outputs/qemu/SlimBootloader.bin + > python BuildLoader.py build qemu -p "OsLoader.efi:LLDR:Lz4;u-boot:U-BT:Lzma" + + +Launch Slim Bootloader on QEMU +============================== + + > qemu-system-x86_64 -machine q35 -m 256 -nographic -serial mon:stdio + -pflash Outputs/qemu/SlimBootloader.bin + +Now, you should reach at U-Boot serial console. \ No newline at end of file diff --git a/board/slimbootloader/slimbootloader/slimbootloader.c b/board/slimbootloader/slimbootloader/slimbootloader.c new file mode 100644 index 0000000000..d88aa622a0 --- /dev/null +++ b/board/slimbootloader/slimbootloader/slimbootloader.c @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 Intel Corporation <www.intel.com> + */ + +#include <common.h> + +int board_early_init_r(void) +{ + /* + * Make sure PCI bus is enumerated so that peripherals on the PCI bus + * can be discovered by their drivers + */ + pci_init(); + + return 0; +} diff --git a/board/slimbootloader/slimbootloader/start.S b/board/slimbootloader/slimbootloader/start.S new file mode 100644 index 0000000000..5c3f3df09e --- /dev/null +++ b/board/slimbootloader/slimbootloader/start.S @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2019 Intel Corporation <www.intel.com> + */ + +/* board early initialization */ +.globl early_board_init +early_board_init: + jmp early_board_init_ret diff --git a/configs/slimbootloader_defconfig b/configs/slimbootloader_defconfig new file mode 100644 index 0000000000..77ff3257b6 --- /dev/null +++ b/configs/slimbootloader_defconfig @@ -0,0 +1,64 @@ +CONFIG_X86=y +CONFIG_VENDOR_SLIMBOOTLOADER=y +CONFIG_TARGET_SLIMBOOTLOADER=y +CONFIG_X86_LOAD_FROM_32_BIT=y +CONFIG_REGMAP=y +CONFIG_SYSCON=y +CONFIG_SYS_CONSOLE_INFO_QUIET=y +CONFIG_BOARD_EARLY_INIT_R=y +CONFIG_LAST_STAGE_INIT=y +CONFIG_HUSH_PARSER=y +CONFIG_CMD_MMC=y +CONFIG_CMD_EXT2=y +CONFIG_CMD_FAT=y +CONFIG_CMD_USB=y +CONFIG_DOS_PARTITION=y +CONFIG_EFI_PARTITION=y +CONFIG_OF_CONTROL=y +CONFIG_OF_EMBED=y +CONFIG_BOOTSTAGE=y +CONFIG_BOOTSTAGE_REPORT=y +CONFIG_BOOTDELAY=10 +CONFIG_CONSOLE_SCROLL_LINES=5 +# CONFIG_PCI_PNP is not set +# CONFIG_I8259_PIC is not set +# CONFIG_APIC is not set +# CONFIG_CMD_EXT4_WRITE is not set +# CONFIG_CMD_FS_GENERIC is not set +# CONFIG_CMD_PART is not set +# CONFIG_CMD_TIME is not set +# CONFIG_CMD_BOOTSTAGE is not set +# CONFIG_CMD_DM is not set +# CONFIG_CMD_FLASH is not set +# CONFIG_CMD_LOADB is not set +# CONFIG_CMD_LOADS is not set +# CONFIG_CMD_SF_TEST is not set +# CONFIG_CMD_ECHO is not set +# CONFIG_CMD_ITEST is not set +# CONFIG_CMD_SETEXPR is not set +# CONFIG_CMD_NET is not set +# CONFIG_CMD_BOOTP is not set +# CONFIG_CMD_BLOCK_CACHE is not set +# CONFIG_CMD_DATE is not set +# CONFIG_CMD_GETTIME is not set +# CONFIG_CMD_MISC is not set +# CONFIG_CMD_IRQ is not set +# CONFIG_CMD_ELF is not set +# CONFIG_CMD_IMI is not set +# CONFIG_CMD_XIMG is not set +# CONFIG_CMD_EXPORTENV is not set +# CONFIG_CMD_IMPORTENV is not set +# CONFIG_CMD_FDT is not set +# CONFIG_CMD_GO is not set +# CONFIG_CMD_SAVEENV is not set +# CONFIG_CMD_SOURCE is not set +# CONFIG_DM_KEYBOARD is not set +# CONFIG_DM_VIDEO is not set +# CONFIG_DM_GPIO is not set +# CONFIG_MMC_VERBOSE is not set +# CONFIG_GZIP is not set +# CONFIG_HEXDUMP is not set +# CONFIG_EFI_LOADER is not set +# CONFIG_GENERATE_SMBIOS_TABLE is not set +# CONFIG_IMAGE_FORMAT_LEGACY is not set +# CONFIG_FIT is not set diff --git a/include/configs/slimbootloader.h b/include/configs/slimbootloader.h new file mode 100644 index 0000000000..bfd188de2c --- /dev/null +++ b/include/configs/slimbootloader.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2019 Intel Corporation <www.intel.com> + */ + +#ifndef __SLIMBOOTLOADER_CONFIG_H__ +#define __SLIMBOOTLOADER_CONFIG_H__ + +#include <configs/x86-common.h> + +#undef CONFIG_NFSBOOTCOMMAND +#undef CONFIG_RAMBOOTCOMMAND +#undef CONFIG_EXTRA_ENV_SETTINGS +#undef CONFIG_BOOTCOMMAND + +/*----------------------------------------------------------------------- + * For MEM32 uart + */ +/*#define CONFIG_SYS_NS16550_MEM32*/ +#ifdef CONFIG_SYS_NS16550_MEM32 +#undef CONFIG_SYS_NS16550_PORT_MAPPED +#endif + +#define CONFIG_STD_DEVICES_SETTINGS \ + "stdin=serial,i8042-kbd,usbkbd\0" \ + "stdout=serial\0" \ + "stderr=serial\0" + +#define CONFIG_EXTRA_ENV_SETTINGS \ + CONFIG_STD_DEVICES_SETTINGS \ + "netdev=eth0\0" \ + "consoledev=ttyS0\0" \ + "ramdiskaddr=0x4000000\0" \ + "ramdiskfile=initrd\0" \ + "bootdev=usb\0" \ + "bootdevnum=0\0" \ + "bootdevpart=0\0" \ + "bootfsload=fatload\0" \ + "bootusb=setenv bootdev usb; boot\0" \ + "bootscsi=setenv bootdev scsi; boot\0" \ + "bootmmc=setenv bootdev mmc; boot\0" \ + "bootargs=console=ttyS0,115200 console=tty0\0" + +#define CONFIG_BOOTCOMMAND \ + "if test ${bootdev} = "usb"; then ${bootdev} start; fi; " \ + "if test ${bootdev} = "scsi"; then ${bootdev} scan; fi; " \ + "${bootdev} info; " \ + "${bootfsload} ${bootdev} ${bootdevnum}:${bootdevpart} " \ + "${loadaddr} ${bootfile}; " \ + "${bootfsload} ${bootdev} ${bootdevnum}:${bootdevpart} " \ + "${ramdiskaddr} ${ramdiskfile}; " \ + "zboot ${loadaddr} 0 ${ramdiskaddr} ${filesize}" + +#endif /* __SLIMBOOTLOADER_CONFIG_H__ */