/arch/m68knommu/platform/68328/config.c
https://bitbucket.org/evzijst/gittest · C · 125 lines · 82 code · 16 blank · 27 comment · 2 complexity · 831c848076b65863346ef1e33be2cc15 MD5 · raw file
- /*
- * linux/arch/$(ARCH)/platform/$(PLATFORM)/config.c
- *
- * Copyright (C) 1993 Hamish Macdonald
- * Copyright (C) 1999 D. Jeff Dionne
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive
- * for more details.
- *
- * VZ Support/Fixes Evan Stawnyczy <e@lineo.ca>
- */
- #include <asm/dbg.h>
- #include <stdarg.h>
- #include <linux/config.h>
- #include <linux/types.h>
- #include <linux/kernel.h>
- #include <linux/mm.h>
- #include <linux/tty.h>
- #include <linux/console.h>
- #include <linux/interrupt.h>
- #include <asm/current.h>
- #include <asm/setup.h>
- #include <asm/system.h>
- #include <asm/pgtable.h>
- #include <asm/irq.h>
- #include <asm/machdep.h>
- #include <asm/MC68328.h>
- void BSP_sched_init(irqreturn_t (*timer_routine)(int, void *, struct pt_regs *))
- {
- #ifdef CONFIG_XCOPILOT_BUGS
- /*
- * The only thing I know is that CLK32 is not available on Xcopilot
- * I have little idea about what frequency SYSCLK has on Xcopilot.
- * The values for prescaler and compare registers were simply
- * taken from the original source
- */
- /* Restart mode, Enable int, SYSCLK, Enable timer */
- TCTL2 = TCTL_OM | TCTL_IRQEN | TCTL_CLKSOURCE_SYSCLK | TCTL_TEN;
- /* Set prescaler */
- TPRER2 = 2;
- /* Set compare register */
- TCMP2 = 0xd7e4;
- #else
- /* Restart mode, Enable int, 32KHz, Enable timer */
- TCTL2 = TCTL_OM | TCTL_IRQEN | TCTL_CLKSOURCE_32KHZ | TCTL_TEN;
- /* Set prescaler (Divide 32KHz by 32)*/
- TPRER2 = 31;
- /* Set compare register 32Khz / 32 / 10 = 100 */
- TCMP2 = 10;
- #endif
-
- request_irq(TMR2_IRQ_NUM, timer_routine, IRQ_FLG_LOCK, "timer", NULL);
- }
- void BSP_tick(void)
- {
- /* Reset Timer2 */
- TSTAT2 &= 0;
- }
- unsigned long BSP_gettimeoffset (void)
- {
- return 0;
- }
- void BSP_gettod (int *yearp, int *monp, int *dayp,
- int *hourp, int *minp, int *secp)
- {
- }
- int BSP_hwclk(int op, struct hwclk_time *t)
- {
- if (!op) {
- /* read */
- } else {
- /* write */
- }
- return 0;
- }
- int BSP_set_clock_mmss (unsigned long nowtime)
- {
- #if 0
- short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
- tod->second1 = real_seconds / 10;
- tod->second2 = real_seconds % 10;
- tod->minute1 = real_minutes / 10;
- tod->minute2 = real_minutes % 10;
- #endif
- return 0;
- }
- void BSP_reset (void)
- {
- local_irq_disable();
- asm volatile ("moveal #0x10c00000, %a0;\n\t"
- "moveb #0, 0xFFFFF300;\n\t"
- "moveal 0(%a0), %sp;\n\t"
- "moveal 4(%a0), %a0;\n\t"
- "jmp (%a0);");
- }
- void config_BSP(char *command, int len)
- {
- printk(KERN_INFO "\n68328 support D. Jeff Dionne <jeff@uclinux.org>\n");
- printk(KERN_INFO "68328 support Kenneth Albanowski <kjahds@kjshds.com>\n");
- printk(KERN_INFO "68328/Pilot support Bernhard Kuhn <kuhn@lpr.e-technik.tu-muenchen.de>\n");
- mach_sched_init = BSP_sched_init;
- mach_tick = BSP_tick;
- mach_gettimeoffset = BSP_gettimeoffset;
- mach_gettod = BSP_gettod;
- mach_hwclk = NULL;
- mach_set_clock_mmss = NULL;
- mach_reset = BSP_reset;
- *command = '\0';
- }