diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/m68k/mvme147/config.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/m68k/mvme147/config.c | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/ANDROID_3.4.5/arch/m68k/mvme147/config.c b/ANDROID_3.4.5/arch/m68k/mvme147/config.c deleted file mode 100644 index a41c0914..00000000 --- a/ANDROID_3.4.5/arch/m68k/mvme147/config.c +++ /dev/null @@ -1,213 +0,0 @@ -/* - * arch/m68k/mvme147/config.c - * - * Copyright (C) 1996 Dave Frascone [chaos@mindspring.com] - * Cloned from Richard Hirst [richard@sleepie.demon.co.uk] - * - * Based on: - * - * Copyright (C) 1993 Hamish Macdonald - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file README.legal in the main directory of this archive - * for more details. - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/tty.h> -#include <linux/console.h> -#include <linux/linkage.h> -#include <linux/init.h> -#include <linux/major.h> -#include <linux/genhd.h> -#include <linux/rtc.h> -#include <linux/interrupt.h> - -#include <asm/bootinfo.h> -#include <asm/pgtable.h> -#include <asm/setup.h> -#include <asm/irq.h> -#include <asm/traps.h> -#include <asm/rtc.h> -#include <asm/machdep.h> -#include <asm/mvme147hw.h> - - -static void mvme147_get_model(char *model); -extern void mvme147_sched_init(irq_handler_t handler); -extern unsigned long mvme147_gettimeoffset (void); -extern int mvme147_hwclk (int, struct rtc_time *); -extern int mvme147_set_clock_mmss (unsigned long); -extern void mvme147_reset (void); - - -static int bcd2int (unsigned char b); - -/* Save tick handler routine pointer, will point to xtime_update() in - * kernel/time/timekeeping.c, called via mvme147_process_int() */ - -irq_handler_t tick_handler; - - -int mvme147_parse_bootinfo(const struct bi_record *bi) -{ - if (bi->tag == BI_VME_TYPE || bi->tag == BI_VME_BRDINFO) - return 0; - else - return 1; -} - -void mvme147_reset(void) -{ - printk ("\r\n\nCalled mvme147_reset\r\n"); - m147_pcc->watchdog = 0x0a; /* Clear timer */ - m147_pcc->watchdog = 0xa5; /* Enable watchdog - 100ms to reset */ - while (1) - ; -} - -static void mvme147_get_model(char *model) -{ - sprintf(model, "Motorola MVME147"); -} - -/* - * This function is called during kernel startup to initialize - * the mvme147 IRQ handling routines. - */ - -void __init mvme147_init_IRQ(void) -{ - m68k_setup_user_interrupt(VEC_USER, 192); -} - -void __init config_mvme147(void) -{ - mach_max_dma_address = 0x01000000; - mach_sched_init = mvme147_sched_init; - mach_init_IRQ = mvme147_init_IRQ; - mach_gettimeoffset = mvme147_gettimeoffset; - mach_hwclk = mvme147_hwclk; - mach_set_clock_mmss = mvme147_set_clock_mmss; - mach_reset = mvme147_reset; - mach_get_model = mvme147_get_model; - - /* Board type is only set by newer versions of vmelilo/tftplilo */ - if (!vme_brdtype) - vme_brdtype = VME_TYPE_MVME147; -} - - -/* Using pcc tick timer 1 */ - -static irqreturn_t mvme147_timer_int (int irq, void *dev_id) -{ - m147_pcc->t1_int_cntrl = PCC_TIMER_INT_CLR; - m147_pcc->t1_int_cntrl = PCC_INT_ENAB|PCC_LEVEL_TIMER1; - return tick_handler(irq, dev_id); -} - - -void mvme147_sched_init (irq_handler_t timer_routine) -{ - tick_handler = timer_routine; - if (request_irq(PCC_IRQ_TIMER1, mvme147_timer_int, 0, "timer 1", NULL)) - pr_err("Couldn't register timer interrupt\n"); - - /* Init the clock with a value */ - /* our clock goes off every 6.25us */ - m147_pcc->t1_preload = PCC_TIMER_PRELOAD; - m147_pcc->t1_cntrl = 0x0; /* clear timer */ - m147_pcc->t1_cntrl = 0x3; /* start timer */ - m147_pcc->t1_int_cntrl = PCC_TIMER_INT_CLR; /* clear pending ints */ - m147_pcc->t1_int_cntrl = PCC_INT_ENAB|PCC_LEVEL_TIMER1; -} - -/* This is always executed with interrupts disabled. */ -/* XXX There are race hazards in this code XXX */ -unsigned long mvme147_gettimeoffset (void) -{ - volatile unsigned short *cp = (volatile unsigned short *)0xfffe1012; - unsigned short n; - - n = *cp; - while (n != *cp) - n = *cp; - - n -= PCC_TIMER_PRELOAD; - return (unsigned long)n * 25 / 4; -} - -static int bcd2int (unsigned char b) -{ - return ((b>>4)*10 + (b&15)); -} - -int mvme147_hwclk(int op, struct rtc_time *t) -{ -#warning check me! - if (!op) { - m147_rtc->ctrl = RTC_READ; - t->tm_year = bcd2int (m147_rtc->bcd_year); - t->tm_mon = bcd2int (m147_rtc->bcd_mth); - t->tm_mday = bcd2int (m147_rtc->bcd_dom); - t->tm_hour = bcd2int (m147_rtc->bcd_hr); - t->tm_min = bcd2int (m147_rtc->bcd_min); - t->tm_sec = bcd2int (m147_rtc->bcd_sec); - m147_rtc->ctrl = 0; - } - return 0; -} - -int mvme147_set_clock_mmss (unsigned long nowtime) -{ - return 0; -} - -/*------------------- Serial console stuff ------------------------*/ - -static void scc_delay (void) -{ - int n; - volatile int trash; - - for (n = 0; n < 20; n++) - trash = n; -} - -static void scc_write (char ch) -{ - volatile char *p = (volatile char *)M147_SCC_A_ADDR; - - do { - scc_delay(); - } - while (!(*p & 4)); - scc_delay(); - *p = 8; - scc_delay(); - *p = ch; -} - - -void m147_scc_write (struct console *co, const char *str, unsigned count) -{ - unsigned long flags; - - local_irq_save(flags); - - while (count--) - { - if (*str == '\n') - scc_write ('\r'); - scc_write (*str++); - } - local_irq_restore(flags); -} - -void mvme147_init_console_port (struct console *co, int cflag) -{ - co->write = m147_scc_write; -} |