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| author | Bin Meng <bmeng.cn@gmail.com> | 2018-01-30 05:01:17 -0800 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2018-01-30 22:34:37 +0800 |
| commit | 2d1c661915f046d89c4618889283a4f4d3b0bde2 (patch) | |
| tree | 9a1f12d20ea2563fc6247737ad475724b0bae4cf | |
| parent | 45410da714a1857c9e06573159877cff98fa4129 (diff) | |
x86: qemu: qfw: Implement acpi_get_rsdp_addr()
U-Boot on QEMU does not build ACPI table by ourself, instead it uses
the prebuilt ACPI table via the qfw interface. This implements the
qfw version of acpi_get_rsdp_addr() for setup_zimage().
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| -rw-r--r-- | drivers/misc/qfw.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/misc/qfw.c b/drivers/misc/qfw.c index a8af9e0c53..9a5480349e 100644 --- a/drivers/misc/qfw.c +++ b/drivers/misc/qfw.c @@ -222,6 +222,14 @@ out: free(table_loader); return addr; } + +ulong acpi_get_rsdp_addr(void) +{ + struct fw_file *file; + + file = qemu_fwcfg_find_file("etc/acpi/rsdp"); + return file->addr; +} #endif /* Read configuration item using fw_cfg PIO interface */ |