u-boot.git/arch/x86/lib, branch v2018.03

fdt: Implement weak arch_fixup_fdt()

2018-02-18T19:53:38Z

Only ARM and in some configs MIPS really implement arch_fixup_fdt(). Others just use the same boilerplate which is not good by itself, but what's worse if we try to build with disabled CONFIG_CMD_BOOTM and enabled CONFIG_OF_LIBFDT we'll hit an unknown symbol which was apparently implemented in arch/xxx/lib/bootm.c. Now with weak arch_fixup_fdt() right in image-fdt.c where it is used we get both items highlighted above fixed. Signed-off-by: Alexey Brodkin Cc: Daniel Schwierzeck Cc: Simon Glass Cc: York Sun Cc: Stefan Roese Reviewed-by: Tom Rini Reviewed-by: Daniel Schwierzeck

x86: acpi: Use an API to get the ACPI RSDP table address

2018-01-30T14:34:37Z

At present the acpi_rsdp_addr variable is directly referenced in setup_zimage(). This changes to use an API for better encapsulation and extension. Signed-off-by: Bin Meng Reviewed-by: Andy Shevchenko

x86: zImage: Propagate acpi_rsdp_addr to kernel via boot parameters

2018-01-30T06:29:07Z

New field acpi_rsdp_addr, which has been introduced in boot protocol v2.14 [1], in boot parameters tells kernel the exact address of RDSP ACPI table. Knowing it increases robustness of the kernel by avoiding in some cases traversal through a part of physical memory. It will slightly reduce boot time by the same reason. [1] See Linux kernel commit 2f74cbf ("x86/boot: Add the ACPI RSDP address to struct setup_header::acpi_rdsp_addr") @ https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=2f74cbf for the details. Signed-off-by: Andy Shevchenko Reviewed-by: Bin Meng [bmeng: updated the kernel commit git URL and fixed one style issue] Signed-off-by: Bin Meng

x86: zImage: Move subarch assignment out of cmd_line check

2018-01-30T06:29:07Z

The commit 20bfac0599bd ("x86: zImage: add Intel MID platforms support") introduced an assignment of subarch field in boot parameters, though missed the right place of doing that. It doesn't matter if we have or not a kernel command line supplied, we just set that field. Although guard it by protocol version which supports it. Fixes: 20bfac0599bd ("x86: zImage: add Intel MID platforms support") Cc: Vincent Tinelli Signed-off-by: Andy Shevchenko Reviewed-by: Bin Meng

x86: Fix reference to QEMU variant of write_acpi_tables()

2018-01-30T06:29:07Z

The commit eece493a7ac1 ("cmd: qfw: bring ACPI generation code into qfw core") moves ACPI related code to another file and missed an update of references in acpi_table.c. Do it now. Fixes: eece493a7ac1 ("cmd: qfw: bring ACPI generation code into qfw core") Cc: Miao Yan Signed-off-by: Andy Shevchenko Reviewed-by: Bin Meng

x86: Move commands from under arch/x86 to cmd/x86/

2018-01-08T08:52:22Z

We only need to compile and link these files when building for full U-Boot. Move them to under cmd/x86/ to make sure they aren't linked in and undiscarded due to u_boot_list_2_cmd_* being included). Cc: Bin Meng Signed-off-by: Tom Rini Reviewed-by: Bin Meng

x86: lib: Implement standalone __udivdi3 etc instead of libgcc ones

2017-11-30T05:50:17Z

This patch removes the inclusion of the libgcc math functions and replaces them by functions coded in C, taken from the coreboot project. This makes U-Boot building more independent from the toolchain installed / available on the build system. The code taken from coreboot is authored from Vadim Bendebury on 2014-11-28 and committed with commit ID e63990ef [libpayload: provide basic 64bit division implementation] (coreboot git repository located here [1]). I modified the code so that its checkpatch clean without any functional changes. [1] git://github.com/coreboot/coreboot.git Signed-off-by: Stefan Roese Cc: Simon Glass Cc: Bin Meng Reviewed-by: Bin Meng Tested-by: Bin Meng

Revert "x86: bootm: Fix FIT image booting on x86"

2017-11-30T05:50:17Z

This reverts commit 13c531e52a09b4e6ffa8b5a1457199b0a574cb27. The error message with FIT style image mentioned in the above commit only happens when booting using FIT image containing bzImage kernel and without setup node (setup.bin). The current documentation for x86 FIT support in doc/uImage.FIT/x86-fit-boot.txt mentions that kernel's setup.bin file is required for building x86 FIT images. The above commit breaks FIT images generated as described in the documentation. Revert it to allow booting with images built in the documented way. Signed-off-by: Anatolij Gustschin Reviewed-by: Stefan Roese Acked-by: Bin Meng

x86: fsp: graphics: Add some notes about the graphics info hob

2017-10-27T07:13:47Z

On some platforms (eg: Braswell), the FSP will not produce the graphics info HOB unless you plug some cables to the display interface (eg: HDMI) on the board. Add such notes in the FSP video driver. Signed-off-by: Bin Meng Reviewed-by: Simon Glass

Revert "x86: fsp: Configure SPI opcode registers before SPI is locked down"

2017-10-27T07:13:47Z

This reverts commit 1e6ebee667da47fd3a87839a239a7574c66f5659. It's not appropriate to call the Intel SPI driver specific stuff in the FSP codes. We may add a simple DTS property "intel,spi-lock-down" and let the Intel SPI driver call these stuff instead. Signed-off-by: Bin Meng