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u-boot/arch/x86/lib
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Simon Glass c793dbdb90 x86: fsp: Allow skipping init code when chain loading 
It is useful to be able to boot the same x86 image on a device with or
without a first-stage bootloader. For example, with chromebook_coral, it
is helpful for testing to be able to boot the same U-Boot (complete with
FSP) on bare metal and from coreboot. It allows checking of things like
CPU speed, comparing registers, ACPI tables and the like.

When U-Boot is not the first-stage bootloader much of this code is not
needed and can break booting. Add checks for this to the FSP code.

Rather than checking for the amount of available SDRAM, just use 1GB in
this situation, which should be safe. Using 2GB may run into a memory
hole on some SoCs.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-04-30 17:40:16 +08:00
..
fsp x86: fsp: Allow skipping init code when chain loading 2020-04-30 17:40:16 +08:00
fsp1 x86: Move acpi_s3.h to include/acpi/ 2020-04-16 14:36:28 +08:00
fsp2 x86: fsp: Allow skipping init code when chain loading 2020-04-30 17:40:16 +08:00
acpi.c x86: Move acpi_table header to main include/ directory 2020-04-16 14:36:28 +08:00
acpi_s3.c x86: Move acpi_table header to main include/ directory 2020-04-16 14:36:28 +08:00
acpi_table.c acpi: Put table-setup code in its own function 2020-04-30 17:16:12 +08:00
asm-offsets.c x86: Add new slimbootloader CPU type 2019-08-09 22:24:02 +08:00
bios.c common: Move interrupt functions into a new header 2019-12-02 18:25:00 -05:00
bios.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bios_asm.S SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bios_interrupts.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bootm.c common: Move hang() to the same header as panic() 2020-01-17 17:53:40 -05:00
cmd_boot.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
coreboot_table.c x86: Move acpi_s3.h to include/acpi/ 2020-04-16 14:36:28 +08:00
crt0_ia32_efi.S SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
crt0_x86_64_efi.S x86: Remove unused _relocate arguments 2018-07-19 16:31:36 -04:00
div64.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
e820.c x86: efi_loader: Use efi_add_conventional_memory_map() 2019-09-10 14:31:42 +08:00
early_cmos.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
elf_ia32_efi.lds x86: Include bss subsections in linker script 2018-08-20 14:17:43 +02:00
elf_x86_64_efi.lds x86: Include bss subsections in linker script 2018-08-20 14:17:43 +02:00
hob.c x86: fsp: Tidy up comment style a little 2019-10-08 13:53:54 +08:00
i8254.c x86: Make sure i8254 is setup correctly before generating beeps 2019-03-11 22:55:01 +08:00
i8259.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
init_helpers.c common: Move board_get_usable_ram_top() out of common.h 2019-12-02 18:25:04 -05:00
interrupts.c common: Move interrupt functions into a new header 2019-12-02 18:25:00 -05:00
lpc-uclass.c x86: Allow the PCH and LPC uclasses to work with of-platdata 2019-10-08 13:57:48 +08:00
Makefile x86: Don't include the BIOS emulator in TPL 2019-12-15 11:44:18 +08:00
mpspec.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
mrccache.c x86: Correct error return value in mrccache_get_region() 2020-03-05 18:19:04 +08:00
northbridge-uclass.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
physmem.c x86: Move paging functions into cpu.c 2014-10-28 20:42:51 -06:00
pinctrl_ich6.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
pirq_routing.c x86: Allow interrupt to happen once 2019-12-15 11:44:16 +08:00
pmu.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
ramtest.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
reloc_ia32_efi.c elf: Move x86 reloc defines to common elf.h 2018-07-25 14:57:43 +02:00
reloc_x86_64_efi.c elf: Move x86 reloc defines to common elf.h 2018-07-25 14:57:43 +02:00
relocate.c x86: detect unsupported relocation types 2018-10-22 17:51:45 +08:00
scu.c x86: cpu: add docstring to scu_ipc_command() 2018-09-17 17:35:53 +08:00
sections.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
sfi.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
spl.c common: Move hang() to the same header as panic() 2020-01-17 17:53:40 -05:00
string.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
tables.c x86: Move acpi_table header to main include/ directory 2020-04-16 14:36:28 +08:00
tpl.c common: Move hang() to the same header as panic() 2020-01-17 17:53:40 -05:00
zimage.c x86: Move acpi_table header to main include/ directory 2020-04-16 14:36:28 +08:00