boot/efi/dtb: implement interrupt controller detection

Change-Id: I045a94c5bcb7c16297bc6fdd1fa2981e5b3f3a62 Reviewed-on: https://review.haiku-os.org/c/haiku/+/4756 Tested-by: Commit checker robot <[email protected]> Reviewed-by: Adrien Destugues <[email protected]>
2021-12-07 10:58:24 +00:00
parent 09a8f74d70
commit 354655e136
3 changed files with 86 additions and 16 deletions
@@ -11,6 +11,7 @@


 #include <util/FixedWidthPointer.h>
+#include <boot/interrupt_controller.h>
 #include <boot/uart.h>


@@ -41,6 +42,7 @@ typedef struct {
 	FixedWidthPointer<void> fdt;

 	uart_info	uart;
+	intc_info	interrupt_controller;
 } _PACKED arch_kernel_args;

 #endif	/* KERNEL_ARCH_ARM_KERNEL_ARGS_H */
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2021 Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef KERNEL_BOOT_INTERRUPT_CONTROLLER_H
+#define KERNEL_BOOT_INTERRUPT_CONTROLLER_H
+
+
+#include <boot/addr_range.h>
+#include <SupportDefs.h>
+
+
+#define		INTC_KIND_GICV1		"gicv1"
+#define		INTC_KIND_GICV2		"gicv2"
+#define		INTC_KIND_OMAP3		"omap3"
+#define		INTC_KIND_PXA		"pxa"
+
+
+typedef struct {
+	char kind[32];
+	addr_range regs1;
+	addr_range regs2;
+} __attribute__((packed)) intc_info;
+
+
+#endif /* KERNEL_BOOT_INTERRUPT_CONTROLLER_H */