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u-boot/arch/x86/cpu/qemu
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Miao Yan de752c5e73 x86: qemu: fix cpu device in smp boot 
Currently, when booting with more that one CPU enabled, U-Boot scans
'cpu' node in device tree and calculates CPU number. This does not scale
well as changing CPU number also requires modifying .dts and re-compiling
U-Boot.

This patch uses fw_cfg interface provided by QEMU to detect online CPU
number at runtime, and dynamically adds 'cpu' device to U-Boot's driver
model.

Signed-off-by: Miao Yan <yanmiaobest@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
2016-01-13 12:20:16 +08:00
..
acpi x86: Add DSDT table for supporting ACPI on QEMU 2015-08-26 07:54:14 -07:00
acpi.c x86: Add ACPI table support to QEMU 2015-08-26 07:54:14 -07:00
car.S x86: Support QEMU x86 targets 2015-06-04 02:39:38 -06:00
cpu.c x86: qemu: fix cpu device in smp boot 2016-01-13 12:20:16 +08:00
dram.c x86: Support QEMU x86 targets 2015-06-04 02:39:38 -06:00
dsdt.asl x86: Add DSDT table for supporting ACPI on QEMU 2015-08-26 07:54:14 -07:00
fw_cfg.c x86: qemu: add fw_cfg support 2016-01-13 12:20:15 +08:00
Kconfig x86: tsc: Remove legacy timer codes 2015-12-01 06:26:35 -07:00
Makefile x86: qemu: add a cpu uclass driver for qemu target 2016-01-13 12:20:15 +08:00
qemu.c x86: qemu: add fw_cfg support 2016-01-13 12:20:15 +08:00