arm: detect SoC timer from FDT for OMAP3 and PXA

Change-Id: Ib03a11f016cb937d748d2696a17158e17c86e317 Reviewed-on: https://review.haiku-os.org/c/haiku/+/5522 Tested-by: Commit checker robot <[email protected]> Reviewed-by: David Karoly <[email protected]>
2022-08-09 18:15:55 +00:00
parent 0404f954c1
commit fe2b6d7706
10 changed files with 97 additions and 55 deletions
@@ -12,6 +12,7 @@

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


@@ -42,8 +43,9 @@ typedef struct {
 	FixedWidthPointer<void> acpi_root;
 	FixedWidthPointer<void> fdt;

-	uart_info	uart;
-	intc_info	interrupt_controller;
+	uart_info			uart;
+	intc_info			interrupt_controller;
+	boot_timer_info		timer;
 } _PACKED arch_kernel_args;

 #endif	/* KERNEL_ARCH_ARM_KERNEL_ARGS_H */
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2022 Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef KERNEL_BOOT_TIMER_H
+#define KERNEL_BOOT_TIMER_H
+
+
+#include <boot/addr_range.h>
+#include <SupportDefs.h>
+
+
+#define		TIMER_KIND_ARMV7	"armv7"
+#define		TIMER_KIND_OMAP3	"omap3"
+#define		TIMER_KIND_PXA		"pxa"
+
+
+typedef struct {
+	char		kind[32];
+	addr_range	regs;
+	uint32_t	interrupt;
+} __attribute__((packed)) boot_timer_info;
+
+
+#endif /* KERNEL_BOOT_TIMER_H */