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...@gmail.com>
---
drivers/misc/qfw.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/misc/qfw.c b/drivers/misc/qfw.c
index a8af9e0..9a54803 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 */
--
2.7.4
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