+++ /dev/null
-/*
- * 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
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/bcd.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/export.h>
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-#include <linux/swap.h>
-#include <linux/ioport.h>
-#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 <linux/serial_8250.h>
-
-#include <asm/time.h>
-#include <asm/bootinfo.h>
-#include <asm/page.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/processor.h>
-#include <asm/reboot.h>
-#include <asm/serial.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, 0xe0, 0x04, 0x00, 0x00, 0x21
-};
-
-unsigned long cpu_clock_freq;
-unsigned long yosemite_base;
-
-static struct m48t37_rtc *m48t37_base;
-
-void __init bus_error_init(void)
-{
- /* Do nothing */
-}
-
-
-void read_persistent_clock(struct timespec *ts)
-{
- unsigned int year, month, day, hour, min, sec;
- unsigned long flags;
-
- spin_lock_irqsave(&rtc_lock, flags);
- /* Stop the update to the time */
- m48t37_base->control = 0x40;
-
- year = bcd2bin(m48t37_base->year);
- year += bcd2bin(m48t37_base->century) * 100;
-
- 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 */
- m48t37_base->control = 0x00;
- spin_unlock_irqrestore(&rtc_lock, flags);
-
- ts->tv_sec = mktime(year, month, day, hour, min, sec);
- ts->tv_nsec = 0;
-}
-
-int rtc_mips_set_time(unsigned long tim)
-{
- struct rtc_time tm;
- unsigned long flags;
-
- /*
- * Convert to a more useful format -- note months count from 0
- * and years from 1900
- */
- rtc_time_to_tm(tim, &tm);
- tm.tm_year += 1900;
- tm.tm_mon += 1;
-
- spin_lock_irqsave(&rtc_lock, flags);
- /* enable writing */
- m48t37_base->control = 0x80;
-
- /* year */
- m48t37_base->year = bin2bcd(tm.tm_year % 100);
- m48t37_base->century = bin2bcd(tm.tm_year / 100);
-
- /* month */
- m48t37_base->month = bin2bcd(tm.tm_mon);
-
- /* day */
- m48t37_base->date = bin2bcd(tm.tm_mday);
-
- /* hour/min/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 */
- m48t37_base->day = bin2bcd(tm.tm_wday + 1);
-
- /* disable writing */
- m48t37_base->control = 0x00;
- spin_unlock_irqrestore(&rtc_lock, flags);
-
- return 0;
-}
-
-void __init plat_time_init(void)
-{
- mips_hpt_frequency = cpu_clock_freq / 2;
-mips_hpt_frequency = 33000000 * 3 * 5;
-}
-
-unsigned long ocd_base;
-
-EXPORT_SYMBOL(ocd_base);
-
-/*
- * Common setup before any secondaries are started
- */
-
-#define TITAN_UART_CLK 3686400
-#define TITAN_SERIAL_BASE_BAUD (TITAN_UART_CLK / 16)
-#define TITAN_SERIAL_IRQ 4
-#define TITAN_SERIAL_BASE 0xfd000008UL
-
-static void __init py_map_ocd(void)
-{
- 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)
-{
-#ifdef CONFIG_SERIAL_8250
- struct uart_port up;
-
- /*
- * Register to interrupt zero because we share the interrupt with
- * the serial driver which we don't properly support yet.
- */
- memset(&up, 0, sizeof(up));
- up.membase = (unsigned char *) ioremap(TITAN_SERIAL_BASE, 8);
- up.irq = TITAN_SERIAL_IRQ;
- up.uartclk = TITAN_UART_CLK;
- up.regshift = 0;
- up.iotype = UPIO_MEM;
- 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");
-#endif /* CONFIG_SERIAL_8250 */
-}
-
-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");
-}
-
-/* Not only time init but that's what the hook it's called through is named */
-static void __init py_late_time_init(void)
-{
- py_map_ocd();
- py_uart_setup();
- py_rtc_setup();
-}
-
-void __init plat_mem_setup(void)
-{
- late_time_init = py_late_time_init;
-
- /* Add memory regions */
- add_memory_region(0x00000000, 0x10000000, BOOT_MEM_RAM);
-
-#if 0 /* XXX Crash ... */
- OCD_WRITE(RM9000x2_OCD_HTSC,
- OCD_READ(RM9000x2_OCD_HTSC) | HYPERTRANSPORT_ENABLE);
-
- /* Set the BAR. Shifted mode */
- OCD_WRITE(RM9000x2_OCD_HTBAR0, HYPERTRANSPORT_BAR0_ADDR);
- OCD_WRITE(RM9000x2_OCD_HTMASK0, HYPERTRANSPORT_SIZE0);
-#endif
-}
projects / karo-tx-linux.git / blobdiff