x86: qemu: Implement PIRQ routing
Support QEMU PIRQ routing via device tree on both i440fx and q35
platforms. With this commit, Linux booting on QEMU from U-Boot
has working ATA/SATA, USB and ethernet.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c
index c4cac04..0e9f15f 100644
--- a/arch/x86/cpu/coreboot/coreboot.c
+++ b/arch/x86/cpu/coreboot/coreboot.c
@@ -89,3 +89,8 @@
{
return 0;
}
+
+int arch_misc_init(void)
+{
+ return 0;
+}
diff --git a/arch/x86/cpu/qemu/qemu.c b/arch/x86/cpu/qemu/qemu.c
index 0f98476..930d2b6 100644
--- a/arch/x86/cpu/qemu/qemu.c
+++ b/arch/x86/cpu/qemu/qemu.c
@@ -5,6 +5,7 @@
*/
#include <common.h>
+#include <asm/irq.h>
#include <asm/post.h>
#include <asm/processor.h>
@@ -35,3 +36,10 @@
/* cold reset */
x86_full_reset();
}
+
+int arch_misc_init(void)
+{
+ pirq_init();
+
+ return 0;
+}