/*
* init.c, Common initialization routines for NEC VR4100 series.
*
- * Copyright (C) 2003-2004 Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*/
#include <linux/init.h>
#include <linux/ioport.h>
+#include <linux/irq.h>
#include <linux/string.h>
#include <asm/bootinfo.h>
+#include <asm/time.h>
#include <asm/vr41xx/vr41xx.h>
-extern void vr41xx_bcu_init(void);
-extern void vr41xx_cmu_init(void);
-extern void vr41xx_pmu_init(void);
-extern void vr41xx_rtc_init(void);
+#define IO_MEM_RESOURCE_START 0UL
+#define IO_MEM_RESOURCE_END 0x1fffffffUL
+
+static void __init iomem_resource_init(void)
+{
+ iomem_resource.start = IO_MEM_RESOURCE_START;
+ iomem_resource.end = IO_MEM_RESOURCE_END;
+}
+
+static void __init setup_timer_frequency(void)
+{
+ unsigned long tclock;
+
+ tclock = vr41xx_get_tclock_frequency();
+ if (current_cpu_data.processor_id == PRID_VR4131_REV2_0 ||
+ current_cpu_data.processor_id == PRID_VR4131_REV2_1)
+ mips_hpt_frequency = tclock / 2;
+ else
+ mips_hpt_frequency = tclock / 4;
+}
+
+static void __init setup_timer_irq(struct irqaction *irq)
+{
+ setup_irq(TIMER_IRQ, irq);
+}
+
+static void __init timer_init(void)
+{
+ board_time_init = setup_timer_frequency;
+ board_timer_setup = setup_timer_irq;
+}
+
+void __init plat_setup(void)
+{
+ vr41xx_calculate_clock_frequency();
+
+ timer_init();
+ iomem_resource_init();
+}
void __init prom_init(void)
{
if (i < (argc - 1))
strcat(arcs_cmdline, " ");
}
-
- iomem_resource.start = IO_MEM_RESOURCE_START;
- iomem_resource.end = IO_MEM_RESOURCE_END;
-
- vr41xx_bcu_init();
- vr41xx_cmu_init();
- vr41xx_pmu_init();
- vr41xx_rtc_init();
}
unsigned long __init prom_free_prom_memory (void)