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| author | Miao Yan <yanmiaobest@gmail.com> | 2016-01-07 01:32:00 -0800 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-01-13 12:20:15 +0800 |
| commit | f60df20aa966c3de850afafe3cce70a51d0b261c (patch) | |
| tree | 9a21ee8258c606f021cc575208a0055ee09be2f6 /arch/x86/cpu/qemu/qemu.c | |
| parent | ece5c37f0cae1277a147e1c17f9d1bfabc3d2e95 (diff) | |
| download | blackbird-obmc-uboot-f60df20aa966c3de850afafe3cce70a51d0b261c.tar.gz blackbird-obmc-uboot-f60df20aa966c3de850afafe3cce70a51d0b261c.zip | |
x86: qemu: add fw_cfg support
The QEMU fw_cfg interface allows the guest to retrieve various data
information from QEMU. For example, APCI/SMBios tables, number of online
cpus, kernel data and command line, etc.
This patch adds support for QEMU fw_cfg interface.
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>
Diffstat (limited to 'arch/x86/cpu/qemu/qemu.c')
| -rw-r--r-- | arch/x86/cpu/qemu/qemu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/cpu/qemu/qemu.c b/arch/x86/cpu/qemu/qemu.c index 1f93f72dc8..46111c9cf0 100644 --- a/arch/x86/cpu/qemu/qemu.c +++ b/arch/x86/cpu/qemu/qemu.c @@ -11,6 +11,7 @@ #include <asm/processor.h> #include <asm/arch/device.h> #include <asm/arch/qemu.h> +#include <asm/fw_cfg.h> static bool i440fx; @@ -57,6 +58,8 @@ static void qemu_chipset_init(void) x86_pci_write_config32(PCI_BDF(0, 0, 0), PCIEX_BAR, CONFIG_PCIE_ECAM_BASE | BAR_EN); } + + qemu_fwcfg_init(); } int arch_cpu_init(void) |
