* Copyright (C) 2003 PMC-Sierra Inc.
* Author: Manish Lachwani (lachwani@pmc-sierra.com)
*
+ * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
+ *
* 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 the
* Free Software Foundation; either version 2 of the License, or (at your
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/timex.h>
+#include <linux/termios.h>
+#include <linux/tty.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
#include <asm/time.h>
#include <asm/bootinfo.h>
#include <asm/page.h>
-#include <asm/bootinfo.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/processor.h>
#include <asm/ptrace.h>
#include <asm/reboot.h>
-#include <asm/pci_channel.h>
#include <asm/serial.h>
-#include <linux/termios.h>
-#include <linux/tty.h>
-#include <linux/serial.h>
-#include <linux/serial_core.h>
#include <asm/titan_dep.h>
+#include <asm/m48t37.h>
#include "setup.h"
unsigned char titan_ge_mac_addr_base[6] = {
- 0x00, 0x03, 0xcc, 0x1d, 0x22, 0x00
+ // 0x00, 0x03, 0xcc, 0x1d, 0x22, 0x00
+ 0x00, 0xe0, 0x04, 0x00, 0x00, 0x21
};
unsigned long cpu_clock;
unsigned long yosemite_base;
+static struct m48t37_rtc *m48t37_base;
+
void __init bus_error_init(void)
{
/* Do nothing */
}
+
unsigned long m48t37y_get_time(void)
{
- //unsigned char *rtc_base = (unsigned char *) YOSEMITE_RTC_BASE;
- unsigned char *rtc_base = (unsigned char *) 0xfc000000UL;
unsigned int year, month, day, hour, min, sec;
-return;
+ unsigned long flags;
+ spin_lock_irqsave(&rtc_lock, flags);
/* Stop the update to the time */
- rtc_base[0x7ff8] = 0x40;
+ m48t37_base->control = 0x40;
- year = BCD2BIN(rtc_base[0x7fff]);
- year += BCD2BIN(rtc_base[0x7fff1]) * 100;
+ year = BCD2BIN(m48t37_base->year);
+ year += BCD2BIN(m48t37_base->century) * 100;
- month = BCD2BIN(rtc_base[0x7ffe]);
- day = BCD2BIN(rtc_base[0x7ffd]);
- hour = BCD2BIN(rtc_base[0x7ffb]);
- min = BCD2BIN(rtc_base[0x7ffa]);
- sec = BCD2BIN(rtc_base[0x7ff9]);
+ month = BCD2BIN(m48t37_base->month);
+ day = BCD2BIN(m48t37_base->date);
+ hour = BCD2BIN(m48t37_base->hour);
+ min = BCD2BIN(m48t37_base->min);
+ sec = BCD2BIN(m48t37_base->sec);
/* Start the update to the time again */
- rtc_base[0x7ff8] = 0x00;
+ m48t37_base->control = 0x00;
+ spin_unlock_irqrestore(&rtc_lock, flags);
return mktime(year, month, day, hour, min, sec);
}
int m48t37y_set_time(unsigned long sec)
{
- unsigned char *rtc_base = (unsigned char *) YOSEMITE_RTC_BASE;
struct rtc_time tm;
-return;
+ unsigned long flags;
/* convert to a more useful format -- note months count from 0 */
to_tm(sec, &tm);
tm.tm_mon += 1;
+ spin_lock_irqsave(&rtc_lock, flags);
/* enable writing */
- rtc_base[0x7ff8] = 0x80;
+ m48t37_base->control = 0x80;
/* year */
- rtc_base[0x7fff] = BIN2BCD(tm.tm_year % 100);
- rtc_base[0x7ff1] = BIN2BCD(tm.tm_year / 100);
+ m48t37_base->year = BIN2BCD(tm.tm_year % 100);
+ m48t37_base->century = BIN2BCD(tm.tm_year / 100);
/* month */
- rtc_base[0x7ffe] = BIN2BCD(tm.tm_mon);
+ m48t37_base->month = BIN2BCD(tm.tm_mon);
/* day */
- rtc_base[0x7ffd] = BIN2BCD(tm.tm_mday);
+ m48t37_base->date = BIN2BCD(tm.tm_mday);
/* hour/min/sec */
- rtc_base[0x7ffb] = BIN2BCD(tm.tm_hour);
- rtc_base[0x7ffa] = BIN2BCD(tm.tm_min);
- rtc_base[0x7ff9] = BIN2BCD(tm.tm_sec);
+ m48t37_base->hour = BIN2BCD(tm.tm_hour);
+ m48t37_base->min = BIN2BCD(tm.tm_min);
+ m48t37_base->sec = BIN2BCD(tm.tm_sec);
/* day of week -- not really used, but let's keep it up-to-date */
- rtc_base[0x7ffc] = BIN2BCD(tm.tm_wday + 1);
+ m48t37_base->day = BIN2BCD(tm.tm_wday + 1);
/* disable writing */
- rtc_base[0x7ff8] = 0x00;
+ m48t37_base->control = 0x00;
+ spin_unlock_irqrestore(&rtc_lock, flags);
return 0;
}
-void yosemite_timer_setup(struct irqaction *irq)
+void __init plat_timer_setup(struct irqaction *irq)
{
setup_irq(7, irq);
}
void yosemite_time_init(void)
{
- board_timer_setup = yosemite_timer_setup;
mips_hpt_frequency = cpu_clock / 2;
-
- rtc_get_time = m48t37y_get_time;
- rtc_set_time = m48t37y_set_time;
+mips_hpt_frequency = 33000000 * 3 * 5;
}
-unsigned long uart_base = 0xfd000000L;
-
/* No other usable initialization hook than this ... */
extern void (*late_time_init)(void);
static void __init py_map_ocd(void)
{
- struct uart_port up;
-
- /*
- * Not specifically interrupt stuff but in case of SMP core_send_ipi
- * needs this first so I'm mapping it here ...
- */
ocd_base = (unsigned long) ioremap(OCD_BASE, OCD_SIZE);
if (!ocd_base)
panic("Mapping OCD failed - game over. Your score is 0.");
+ /* Kludge for PMON bug ... */
+ OCD_WRITE(0x0710, 0x0ffff029);
+}
+
+static void __init py_uart_setup(void)
+{
+ struct uart_port up;
+
/*
* Register to interrupt zero because we share the interrupt with
* the serial driver which we don't properly support yet.
up.uartclk = TITAN_UART_CLK;
up.regshift = 0;
up.iotype = UPIO_MEM;
- up.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST;
+ up.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
up.line = 0;
if (early_serial_setup(&up))
printk(KERN_ERR "Early serial init of port 0 failed\n");
}
-static int __init pmc_yosemite_setup(void)
+static void __init py_rtc_setup(void)
+{
+ m48t37_base = ioremap(YOSEMITE_RTC_BASE, YOSEMITE_RTC_SIZE);
+ if (!m48t37_base)
+ printk(KERN_ERR "Mapping the RTC failed\n");
+
+ rtc_mips_get_time = m48t37y_get_time;
+ rtc_mips_set_time = m48t37y_set_time;
+
+ write_seqlock(&xtime_lock);
+ xtime.tv_sec = m48t37y_get_time();
+ xtime.tv_nsec = 0;
+
+ set_normalized_timespec(&wall_to_monotonic,
+ -xtime.tv_sec, -xtime.tv_nsec);
+ write_sequnlock(&xtime_lock);
+}
+
+/* Not only time init but that's what the hook it's called through is named */
+static void __init py_late_time_init(void)
{
- extern void pmon_smp_bootstrap(void);
+ py_map_ocd();
+ py_uart_setup();
+ py_rtc_setup();
+}
+void __init plat_mem_setup(void)
+{
board_time_init = yosemite_time_init;
- late_time_init = py_map_ocd;
+ late_time_init = py_late_time_init;
/* Add memory regions */
add_memory_region(0x00000000, 0x10000000, BOOT_MEM_RAM);
OCD_WRITE(RM9000x2_OCD_HTBAR0, HYPERTRANSPORT_BAR0_ADDR);
OCD_WRITE(RM9000x2_OCD_HTMASK0, HYPERTRANSPORT_SIZE0);
#endif
-
- return 0;
}
-
-early_initcall(pmc_yosemite_setup);