126 lines
3.1 KiB
C
126 lines
3.1 KiB
C
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/*
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* linux/arch/$(ARCH)/platform/$(PLATFORM)/config.c
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*
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* Copyright (C) 1993 Hamish Macdonald
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* Copyright (C) 1999 D. Jeff Dionne
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive
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* for more details.
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*
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* VZ Support/Fixes Evan Stawnyczy <e@lineo.ca>
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*/
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#include <asm/dbg.h>
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#include <stdarg.h>
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#include <linux/config.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/mm.h>
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#include <linux/tty.h>
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#include <linux/console.h>
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#include <linux/interrupt.h>
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#include <asm/current.h>
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#include <asm/setup.h>
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#include <asm/system.h>
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#include <asm/pgtable.h>
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#include <asm/irq.h>
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#include <asm/machdep.h>
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#include <asm/MC68328.h>
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void BSP_sched_init(irqreturn_t (*timer_routine)(int, void *, struct pt_regs *))
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{
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#ifdef CONFIG_XCOPILOT_BUGS
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/*
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* The only thing I know is that CLK32 is not available on Xcopilot
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* I have little idea about what frequency SYSCLK has on Xcopilot.
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* The values for prescaler and compare registers were simply
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* taken from the original source
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*/
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/* Restart mode, Enable int, SYSCLK, Enable timer */
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TCTL2 = TCTL_OM | TCTL_IRQEN | TCTL_CLKSOURCE_SYSCLK | TCTL_TEN;
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/* Set prescaler */
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TPRER2 = 2;
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/* Set compare register */
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TCMP2 = 0xd7e4;
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#else
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/* Restart mode, Enable int, 32KHz, Enable timer */
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TCTL2 = TCTL_OM | TCTL_IRQEN | TCTL_CLKSOURCE_32KHZ | TCTL_TEN;
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/* Set prescaler (Divide 32KHz by 32)*/
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TPRER2 = 31;
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/* Set compare register 32Khz / 32 / 10 = 100 */
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TCMP2 = 10;
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#endif
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request_irq(TMR2_IRQ_NUM, timer_routine, IRQ_FLG_LOCK, "timer", NULL);
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}
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void BSP_tick(void)
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{
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/* Reset Timer2 */
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TSTAT2 &= 0;
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}
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unsigned long BSP_gettimeoffset (void)
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{
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return 0;
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}
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void BSP_gettod (int *yearp, int *monp, int *dayp,
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int *hourp, int *minp, int *secp)
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{
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}
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int BSP_hwclk(int op, struct hwclk_time *t)
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{
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if (!op) {
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/* read */
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} else {
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/* write */
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}
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return 0;
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}
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int BSP_set_clock_mmss (unsigned long nowtime)
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{
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#if 0
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short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
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tod->second1 = real_seconds / 10;
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tod->second2 = real_seconds % 10;
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tod->minute1 = real_minutes / 10;
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tod->minute2 = real_minutes % 10;
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#endif
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return 0;
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}
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void BSP_reset (void)
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{
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local_irq_disable();
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asm volatile ("moveal #0x10c00000, %a0;\n\t"
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"moveb #0, 0xFFFFF300;\n\t"
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"moveal 0(%a0), %sp;\n\t"
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"moveal 4(%a0), %a0;\n\t"
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"jmp (%a0);");
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}
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void config_BSP(char *command, int len)
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{
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printk(KERN_INFO "\n68328 support D. Jeff Dionne <jeff@uclinux.org>\n");
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printk(KERN_INFO "68328 support Kenneth Albanowski <kjahds@kjshds.com>\n");
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printk(KERN_INFO "68328/Pilot support Bernhard Kuhn <kuhn@lpr.e-technik.tu-muenchen.de>\n");
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mach_sched_init = BSP_sched_init;
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mach_tick = BSP_tick;
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mach_gettimeoffset = BSP_gettimeoffset;
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mach_gettod = BSP_gettod;
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mach_hwclk = NULL;
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mach_set_clock_mmss = NULL;
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mach_reset = BSP_reset;
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*command = '\0';
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}
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