diff options
Diffstat (limited to 'common/spl')
| -rw-r--r-- | common/spl/Kconfig | 116 | ||||
| -rw-r--r-- | common/spl/Makefile | 35 | ||||
| -rw-r--r-- | common/spl/spl.c | 7 | ||||
| -rw-r--r-- | common/spl/spl_bootrom.c | 27 |
4 files changed, 152 insertions, 33 deletions
diff --git a/common/spl/Kconfig b/common/spl/Kconfig index 4de81392b0..5176857506 100644 --- a/common/spl/Kconfig +++ b/common/spl/Kconfig @@ -18,6 +18,16 @@ config SPL if SPL +config SPL_LDSCRIPT + string "Linker script for the SPL stage" + default "arch/$(ARCH)/cpu/u-boot-spl.lds" + depends on SPL + help + The SPL stage will usually require a different linker-script + (as it runs from a different memory region) than the regular + U-Boot stage. Set this to the path of the linker-script to + be used for SPL. + config SPL_BOARD_INIT bool "Call board-specific initialization in SPL" help @@ -25,6 +35,17 @@ config SPL_BOARD_INIT spl_board_init() from board_init_r(). This function should be provided by the board. +config SPL_BOOTROM_SUPPORT + bool "Support returning to the BOOTROM" + help + Some platforms (e.g. the Rockchip RK3368) provide support in their + ROM for loading the next boot-stage after performing basic setup + from the SPL stage. + + Enable this option, to return to the BOOTROM through the + BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the + boot device list, if not implemented for a given board) + config SPL_RAW_IMAGE_SUPPORT bool "Support SPL loading and booting of RAW images" default n if (ARCH_MX6 && (SPL_MMC_SUPPORT || SPL_SATA_SUPPORT)) @@ -51,6 +72,15 @@ config SPL_SYS_MALLOC_SIMPLE this will make the SPL binary smaller at the cost of more heap usage as the *_simple malloc functions do not re-use free-ed mem. +config TPL_SYS_MALLOC_SIMPLE + bool + prompt "Only use malloc_simple functions in the TPL" + help + Say Y here to only use the *_simple malloc functions from + malloc_simple.c, rather then using the versions from dlmalloc.c; + this will make the TPL binary smaller at the cost of more heap + usage as the *_simple malloc functions do not re-use free-ed mem. + config SPL_STACK_R bool "Enable SDRAM location for SPL stack" help @@ -573,14 +603,6 @@ config SPL_SPI_SUPPORT enable SPI drivers that are needed for other purposes also, such as a SPI PMIC. -config SPL_TIMER_SUPPORT - bool "Support timer drivers" - help - Enable support for timer drivers in SPL. These can be used to get - a timer value when in SPL, or perhaps for implementing a delay - function. This enables the drivers in drivers/timer as part of an - SPL build. - config SPL_USB_HOST_SUPPORT bool "Support USB host drivers" help @@ -687,6 +709,74 @@ config TPL if TPL +config TPL_LDSCRIPT + string "Linker script for the TPL stage" + depends on TPL + help + The TPL stage will usually require a different linker-script + (as it runs from a different memory region) than the regular + U-Boot stage. Set this to the path of the linker-script to + be used for TPL. + + May be left empty to trigger the Makefile infrastructure to + fall back to the linker-script used for the SPL stage. + +config TPL_NEEDS_SEPARATE_TEXT_BASE + bool "TPL needs a separate text-base" + default n + depends on TPL + help + Enable, if the TPL stage should not inherit its text-base + from the SPL stage. When enabled, a base address for the + .text sections of the TPL stage has to be set below. + +config TPL_NEEDS_SEPARATE_STACK + bool "TPL needs a separate initial stack-pointer" + default n + depends on TPL + help + Enable, if the TPL stage should not inherit its initial + stack-pointer from the settings for the SPL stage. + +config TPL_TEXT_BASE + hex "Base address for the .text section of the TPL stage" + depends on TPL_NEEDS_SEPARATE_TEXT_BASE + help + The base address for the .text section of the TPL stage. + +config TPL_MAX_SIZE + int "Maximum size (in bytes) for the TPL stage" + default 0 + depends on TPL + help + The maximum size (in bytes) of the TPL stage. + +config TPL_STACK + hex "Address of the initial stack-pointer for the TPL stage" + depends on TPL_NEEDS_SEPARATE_STACK + help + The address of the initial stack-pointer for the TPL stage. + Usually this will be the (aligned) top-of-stack. + +config TPL_BOOTROM_SUPPORT + bool "Support returning to the BOOTROM (from TPL)" + help + Some platforms (e.g. the Rockchip RK3368) provide support in their + ROM for loading the next boot-stage after performing basic setup + from the TPL stage. + + Enable this option, to return to the BOOTROM through the + BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the + boot device list, if not implemented for a given board) + +config TPL_DRIVERS_MISC_SUPPORT + bool "Support misc drivers in TPL" + help + Enable miscellaneous drivers in TPL. These drivers perform various + tasks that don't fall nicely into other categories, Enable this + option to build the drivers in drivers/misc as part of an TPL + build, for those that support building in TPL (not all drivers do). + config TPL_ENV_SUPPORT bool "Support an environment" help @@ -695,7 +785,7 @@ config TPL_ENV_SUPPORT config TPL_I2C_SUPPORT bool "Support I2C" help - Enable support for the I2C bus in SPL. See SPL_I2C_SUPPORT for + Enable support for the I2C bus in TPL. See SPL_I2C_SUPPORT for details. config TPL_LIBCOMMON_SUPPORT @@ -725,24 +815,24 @@ config TPL_MMC_SUPPORT config TPL_NAND_SUPPORT bool "Support NAND flash" help - Enable support for NAND in SPL. See SPL_NAND_SUPPORT for details. + Enable support for NAND in TPL. See SPL_NAND_SUPPORT for details. config TPL_SERIAL_SUPPORT bool "Support serial" help - Enable support for serial in SPL. See SPL_SERIAL_SUPPORT for + Enable support for serial in TPL. See SPL_SERIAL_SUPPORT for details. config TPL_SPI_FLASH_SUPPORT bool "Support SPI flash drivers" help - Enable support for using SPI flash in SPL. See SPL_SPI_FLASH_SUPPORT + Enable support for using SPI flash in TPL. See SPL_SPI_FLASH_SUPPORT for details. config TPL_SPI_SUPPORT bool "Support SPI drivers" help - Enable support for using SPI in SPL. See SPL_SPI_SUPPORT for + Enable support for using SPI in TPL. See SPL_SPI_SUPPORT for details. endif # TPL diff --git a/common/spl/Makefile b/common/spl/Makefile index 47a64dd7d0..112b3e6022 100644 --- a/common/spl/Makefile +++ b/common/spl/Makefile @@ -10,23 +10,24 @@ ifdef CONFIG_SPL_BUILD obj-$(CONFIG_SPL_FRAMEWORK) += spl.o -obj-$(CONFIG_SPL_LOAD_FIT) += spl_fit.o -obj-$(CONFIG_SPL_NOR_SUPPORT) += spl_nor.o -obj-$(CONFIG_SPL_XIP_SUPPORT) += spl_xip.o -obj-$(CONFIG_SPL_YMODEM_SUPPORT) += spl_ymodem.o +obj-$(CONFIG_$(SPL_TPL_)BOOTROM_SUPPORT) += spl_bootrom.o +obj-$(CONFIG_$(SPL_TPL_)LOAD_FIT) += spl_fit.o +obj-$(CONFIG_$(SPL_TPL_)SPL_NOR_SUPPORT) += spl_nor.o +obj-$(CONFIG_$(SPL_TPL_)SPL_XIP_SUPPORT) += spl_xip.o +obj-$(CONFIG_$(SPL_TPL_)SPL_YMODEM_SUPPORT) += spl_ymodem.o ifndef CONFIG_SPL_UBI -obj-$(CONFIG_SPL_NAND_SUPPORT) += spl_nand.o -obj-$(CONFIG_SPL_ONENAND_SUPPORT) += spl_onenand.o +obj-$(CONFIG_$(SPL_TPL_)NAND_SUPPORT) += spl_nand.o +obj-$(CONFIG_$(SPL_TPL_)ONENAND_SUPPORT) += spl_onenand.o endif -obj-$(CONFIG_SPL_UBI) += spl_ubi.o -obj-$(CONFIG_SPL_NET_SUPPORT) += spl_net.o -obj-$(CONFIG_SPL_MMC_SUPPORT) += spl_mmc.o -obj-$(CONFIG_SPL_ATF_SUPPORT) += spl_atf.o -obj-$(CONFIG_SPL_USB_SUPPORT) += spl_usb.o -obj-$(CONFIG_SPL_FAT_SUPPORT) += spl_fat.o -obj-$(CONFIG_SPL_EXT_SUPPORT) += spl_ext.o -obj-$(CONFIG_SPL_SATA_SUPPORT) += spl_sata.o -obj-$(CONFIG_SPL_DFU_SUPPORT) += spl_dfu.o -obj-$(CONFIG_SPL_SPI_LOAD) += spl_spi.o -obj-$(CONFIG_SPL_RAM_SUPPORT) += spl_ram.o +obj-$(CONFIG_$(SPL_TPL_)UBI) += spl_ubi.o +obj-$(CONFIG_$(SPL_TPL_)NET_SUPPORT) += spl_net.o +obj-$(CONFIG_$(SPL_TPL_)MMC_SUPPORT) += spl_mmc.o +obj-$(CONFIG_$(SPL_TPL_)ATF_SUPPORT) += spl_atf.o +obj-$(CONFIG_$(SPL_TPL_)USB_SUPPORT) += spl_usb.o +obj-$(CONFIG_$(SPL_TPL_)FAT_SUPPORT) += spl_fat.o +obj-$(CONFIG_$(SPL_TPL_)EXT_SUPPORT) += spl_ext.o +obj-$(CONFIG_$(SPL_TPL_)SATA_SUPPORT) += spl_sata.o +obj-$(CONFIG_$(SPL_TPL_)DFU_SUPPORT) += spl_dfu.o +obj-$(CONFIG_$(SPL_TPL_)SPI_LOAD) += spl_spi.o +obj-$(CONFIG_$(SPL_TPL_)RAM_SUPPORT) += spl_ram.o endif diff --git a/common/spl/spl.c b/common/spl/spl.c index c56cc6f0ec..d245cfc0d1 100644 --- a/common/spl/spl.c +++ b/common/spl/spl.c @@ -6,6 +6,7 @@ * * SPDX-License-Identifier: GPL-2.0+ */ + #include <common.h> #include <dm.h> #include <spl.h> @@ -243,7 +244,7 @@ static int spl_common_init(bool setup_malloc) return ret; } } - if (IS_ENABLED(CONFIG_SPL_DM)) { + if (CONFIG_IS_ENABLED(DM)) { bootstage_start(BOOTSTATE_ID_ACCUM_DM_SPL, "dm_spl"); /* With CONFIG_SPL_OF_PLATDATA, bring in all devices */ ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA)); @@ -424,7 +425,7 @@ void board_init_r(gd_t *dummy1, ulong dummy2) gd->malloc_ptr / 1024); #endif - if (IS_ENABLED(CONFIG_SPL_ATF_SUPPORT)) { + if (CONFIG_IS_ENABLED(ATF_SUPPORT)) { debug("loaded - jumping to U-Boot via ATF BL31.\n"); bl31_entry(); } @@ -486,7 +487,7 @@ ulong spl_relocate_stack_gd(void) gd_t *new_gd; ulong ptr = CONFIG_SPL_STACK_R_ADDR; -#if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_SPL_SYS_MALLOC_F_LEN +#if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_VAL(SYS_MALLOC_F_LEN) if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) { ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN; gd->malloc_base = ptr; diff --git a/common/spl/spl_bootrom.c b/common/spl/spl_bootrom.c new file mode 100644 index 0000000000..6804246d03 --- /dev/null +++ b/common/spl/spl_bootrom.c @@ -0,0 +1,27 @@ +/* + * Copyright (C) 2017 Theobroma Systems Design und Consulting GmH + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <spl.h> + +__weak void board_return_to_bootrom(void) +{ +} + +static int spl_return_to_bootrom(struct spl_image_info *spl_image, + struct spl_boot_device *bootdev) +{ + /* + * If the board implements a way to return to its ROM (with + * the expectation that the next stage of will be booted by + * the ROM), it will implement board_return_to_bootrom() and + * should not return from it. + */ + board_return_to_bootrom(); + return false; +} + +SPL_LOAD_IMAGE_METHOD("BOOTROM", 0, BOOT_DEVICE_BOOTROM, spl_return_to_bootrom); |