diff options
Diffstat (limited to 'arch/ppc/amiga/config.c')
| -rw-r--r-- | arch/ppc/amiga/config.c | 919 |
1 files changed, 918 insertions, 1 deletions
diff --git a/arch/ppc/amiga/config.c b/arch/ppc/amiga/config.c index d24aeb621..f79172390 100644 --- a/arch/ppc/amiga/config.c +++ b/arch/ppc/amiga/config.c @@ -2,6 +2,923 @@ #define m68k_num_memory num_memory #define m68k_memory memory +#include <linux/init.h> + +/* machine dependent "kbd-reset" setup function */ +void (*kbd_reset_setup) (char *, int) __initdata = 0; + #include <asm/io.h> -#include "../../m68k/amiga/config.c" +/* + * linux/arch/m68k/amiga/config.c + * + * Copyright (C) 1993 Hamish Macdonald + * + * 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. + */ + +/* + * Miscellaneous Amiga stuff + */ + +#include <linux/config.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/kd.h> +#include <linux/tty.h> +#include <linux/console.h> +#include <linux/init.h> + +#include <asm/bootinfo.h> +#include <asm/setup.h> +#include <asm/system.h> +#include <asm/pgtable.h> +#include <asm/amigahw.h> +#include <asm/amigaints.h> +#include <asm/irq.h> +#include <asm/machdep.h> +#include <linux/zorro.h> + +unsigned long amiga_model; +unsigned long amiga_eclock; +unsigned long amiga_masterclock; +unsigned long amiga_colorclock; +unsigned long amiga_chipset; +unsigned char amiga_vblank; +unsigned char amiga_psfreq; +struct amiga_hw_present amiga_hw_present; + +static const char *amiga_models[] = { + "A500", "A500+", "A600", "A1000", "A1200", "A2000", "A2500", "A3000", + "A3000T", "A3000+", "A4000", "A4000T", "CDTV", "CD32", "Draco" +}; + +extern char m68k_debug_device[]; + +static void amiga_sched_init(void (*handler)(int, void *, struct pt_regs *)); +/* amiga specific keyboard functions */ +extern int amiga_keyb_init(void); +extern int amiga_kbdrate (struct kbd_repeat *); +extern void amiga_kbd_reset_setup(char*, int); +/* amiga specific irq functions */ +extern void amiga_init_IRQ (void); +extern void (*amiga_default_handler[]) (int, void *, struct pt_regs *); +extern int amiga_request_irq (unsigned int irq, + void (*handler)(int, void *, struct pt_regs *), + unsigned long flags, const char *devname, + void *dev_id); +extern void amiga_free_irq (unsigned int irq, void *dev_id); +extern void amiga_enable_irq (unsigned int); +extern void amiga_disable_irq (unsigned int); +static void amiga_get_model(char *model); +static int amiga_get_hardware_list(char *buffer); +extern int amiga_get_irq_list (char *); +/* amiga specific timer functions */ +static unsigned long amiga_gettimeoffset (void); +static void a3000_gettod (int *, int *, int *, int *, int *, int *); +static void a2000_gettod (int *, int *, int *, int *, int *, int *); +static int amiga_hwclk (int, struct hwclk_time *); +static int amiga_set_clock_mmss (unsigned long); +extern void amiga_mksound( unsigned int count, unsigned int ticks ); +#ifdef CONFIG_AMIGA_FLOPPY +extern void amiga_floppy_setup(char *, int *); +#endif +static void amiga_reset (void); +static int amiga_wait_key (struct console *co); +extern void amiga_init_sound(void); +static void amiga_savekmsg_init(void); +static void amiga_mem_console_write(struct console *co, const char *b, + unsigned int count); +void amiga_serial_console_write(struct console *co, const char *s, + unsigned int count); +static void amiga_debug_init(void); +#ifdef CONFIG_HEARTBEAT +static void amiga_heartbeat(int on); +#endif + +static struct console amiga_console_driver = { + "debug", + NULL, /* write */ + NULL, /* read */ + NULL, /* device */ + amiga_wait_key, /* wait_key */ + NULL, /* unblank */ + NULL, /* setup */ + CON_PRINTBUFFER, + -1, + 0, + NULL +}; + +#ifdef CONFIG_MAGIC_SYSRQ +static char amiga_sysrq_xlate[128] = + "\0001234567890-=\\\000\000" /* 0x00 - 0x0f */ + "qwertyuiop[]\000123" /* 0x10 - 0x1f */ + "asdfghjkl;'\000\000456" /* 0x20 - 0x2f */ + "\000zxcvbnm,./\000+789" /* 0x30 - 0x3f */ + " \177\t\r\r\000\177\000\000\000-\000\000\000\000\000" /* 0x40 - 0x4f */ + "\000\201\202\203\204\205\206\207\210\211()/*+\000" /* 0x50 - 0x5f */ + "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" /* 0x60 - 0x6f */ + "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"; /* 0x70 - 0x7f */ +#endif + +extern void (*kd_mksound)(unsigned int, unsigned int); + + /* + * Parse an Amiga-specific record in the bootinfo + */ + +int amiga_parse_bootinfo(const struct bi_record *record) +{ + int unknown = 0; + const unsigned long *data = record->data; + + switch (record->tag) { + case BI_AMIGA_MODEL: + amiga_model = *data; + break; + + case BI_AMIGA_ECLOCK: + amiga_eclock = *data; + break; + + case BI_AMIGA_CHIPSET: + amiga_chipset = *data; + break; + + case BI_AMIGA_CHIP_SIZE: + amiga_chip_size = *(const int *)data; + break; + + case BI_AMIGA_VBLANK: + amiga_vblank = *(const unsigned char *)data; + break; + + case BI_AMIGA_PSFREQ: + amiga_psfreq = *(const unsigned char *)data; + break; + + case BI_AMIGA_AUTOCON: + if (zorro_num_autocon < ZORRO_NUM_AUTO) + memcpy(&zorro_autocon[zorro_num_autocon++], + (const struct ConfigDev *)data, + sizeof(struct ConfigDev)); + else + printk("amiga_parse_bootinfo: too many AutoConfig devices\n"); + break; + + case BI_AMIGA_SERPER: + /* serial port period: ignored here */ + break; + + default: + unknown = 1; + } + return(unknown); +} + + /* + * Identify builtin hardware + */ + +__initfunc(static void amiga_identify(void)) +{ + /* Fill in some default values, if necessary */ + if (amiga_eclock == 0) + amiga_eclock = 709379; + + memset(&amiga_hw_present, 0, sizeof(amiga_hw_present)); + + printk("Amiga hardware found: "); + if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) + printk("[%s] ", amiga_models[amiga_model-AMI_500]); + + switch(amiga_model) { + case AMI_UNKNOWN: + goto Generic; + + case AMI_600: + case AMI_1200: + AMIGAHW_SET(A1200_IDE); + AMIGAHW_SET(PCMCIA); + case AMI_500: + case AMI_500PLUS: + case AMI_1000: + case AMI_2000: + case AMI_2500: + AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */ + goto Generic; + + case AMI_3000: + case AMI_3000T: + AMIGAHW_SET(AMBER_FF); + AMIGAHW_SET(MAGIC_REKICK); + /* fall through */ + case AMI_3000PLUS: + AMIGAHW_SET(A3000_SCSI); + AMIGAHW_SET(A3000_CLK); + AMIGAHW_SET(ZORRO3); + goto Generic; + + case AMI_4000T: + AMIGAHW_SET(A4000_SCSI); + /* fall through */ + case AMI_4000: + AMIGAHW_SET(A4000_IDE); + AMIGAHW_SET(A3000_CLK); + AMIGAHW_SET(ZORRO3); + goto Generic; + + case AMI_CDTV: + case AMI_CD32: + AMIGAHW_SET(CD_ROM); + AMIGAHW_SET(A2000_CLK); /* Is this correct? */ + goto Generic; + + Generic: + AMIGAHW_SET(AMI_VIDEO); + AMIGAHW_SET(AMI_BLITTER); + AMIGAHW_SET(AMI_AUDIO); + AMIGAHW_SET(AMI_FLOPPY); + AMIGAHW_SET(AMI_KEYBOARD); + AMIGAHW_SET(AMI_MOUSE); + AMIGAHW_SET(AMI_SERIAL); + AMIGAHW_SET(AMI_PARALLEL); + AMIGAHW_SET(CHIP_RAM); + AMIGAHW_SET(PAULA); + + switch(amiga_chipset) { + case CS_OCS: + case CS_ECS: + case CS_AGA: + switch (custom.deniseid & 0xf) { + case 0x0c: + AMIGAHW_SET(DENISE_HR); + break; + case 0x08: + AMIGAHW_SET(LISA); + break; + } + break; + default: + AMIGAHW_SET(DENISE); + break; + } + switch ((custom.vposr>>8) & 0x7f) { + case 0x00: + AMIGAHW_SET(AGNUS_PAL); + break; + case 0x10: + AMIGAHW_SET(AGNUS_NTSC); + break; + case 0x20: + case 0x21: + AMIGAHW_SET(AGNUS_HR_PAL); + break; + case 0x30: + case 0x31: + AMIGAHW_SET(AGNUS_HR_NTSC); + break; + case 0x22: + case 0x23: + AMIGAHW_SET(ALICE_PAL); + break; + case 0x32: + case 0x33: + AMIGAHW_SET(ALICE_NTSC); + break; + } + AMIGAHW_SET(ZORRO); + break; + + case AMI_DRACO: + panic("No support for Draco yet"); + + default: + panic("Unknown Amiga Model"); + } + +#define AMIGAHW_ANNOUNCE(name, str) \ + if (AMIGAHW_PRESENT(name)) \ + printk(str) + + AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO "); + AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER "); + AMIGAHW_ANNOUNCE(AMBER_FF, "AMBER_FF "); + AMIGAHW_ANNOUNCE(AMI_AUDIO, "AUDIO "); + AMIGAHW_ANNOUNCE(AMI_FLOPPY, "FLOPPY "); + AMIGAHW_ANNOUNCE(A3000_SCSI, "A3000_SCSI "); + AMIGAHW_ANNOUNCE(A4000_SCSI, "A4000_SCSI "); + AMIGAHW_ANNOUNCE(A1200_IDE, "A1200_IDE "); + AMIGAHW_ANNOUNCE(A4000_IDE, "A4000_IDE "); + AMIGAHW_ANNOUNCE(CD_ROM, "CD_ROM "); + AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "KEYBOARD "); + AMIGAHW_ANNOUNCE(AMI_MOUSE, "MOUSE "); + AMIGAHW_ANNOUNCE(AMI_SERIAL, "SERIAL "); + AMIGAHW_ANNOUNCE(AMI_PARALLEL, "PARALLEL "); + AMIGAHW_ANNOUNCE(A2000_CLK, "A2000_CLK "); + AMIGAHW_ANNOUNCE(A3000_CLK, "A3000_CLK "); + AMIGAHW_ANNOUNCE(CHIP_RAM, "CHIP_RAM "); + AMIGAHW_ANNOUNCE(PAULA, "PAULA "); + AMIGAHW_ANNOUNCE(DENISE, "DENISE "); + AMIGAHW_ANNOUNCE(DENISE_HR, "DENISE_HR "); + AMIGAHW_ANNOUNCE(LISA, "LISA "); + AMIGAHW_ANNOUNCE(AGNUS_PAL, "AGNUS_PAL "); + AMIGAHW_ANNOUNCE(AGNUS_NTSC, "AGNUS_NTSC "); + AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "AGNUS_HR_PAL "); + AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "AGNUS_HR_NTSC "); + AMIGAHW_ANNOUNCE(ALICE_PAL, "ALICE_PAL "); + AMIGAHW_ANNOUNCE(ALICE_NTSC, "ALICE_NTSC "); + AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK "); + AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA "); + if (AMIGAHW_PRESENT(ZORRO)) + printk("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : ""); + printk("\n"); + +#undef AMIGAHW_ANNOUNCE +} + + /* + * Setup the Amiga configuration info + */ + +__initfunc(void config_amiga(void)) +{ + amiga_debug_init(); + amiga_identify(); + + mach_sched_init = amiga_sched_init; + mach_keyb_init = amiga_keyb_init; + mach_kbdrate = amiga_kbdrate; + kbd_reset_setup = amiga_kbd_reset_setup; + mach_init_IRQ = amiga_init_IRQ; + mach_default_handler = &amiga_default_handler; +#ifndef CONFIG_APUS + mach_request_irq = amiga_request_irq; + mach_free_irq = amiga_free_irq; + enable_irq = amiga_enable_irq; + disable_irq = amiga_disable_irq; +#endif + mach_get_model = amiga_get_model; + mach_get_hardware_list = amiga_get_hardware_list; + mach_get_irq_list = amiga_get_irq_list; + mach_gettimeoffset = amiga_gettimeoffset; + if (AMIGAHW_PRESENT(A3000_CLK)){ + mach_gettod = a3000_gettod; + } + else{ /* if (AMIGAHW_PRESENT(A2000_CLK)) */ + mach_gettod = a2000_gettod; + } + + mach_max_dma_address = 0xffffffff; /* + * default MAX_DMA=0xffffffff + * on all machines. If we don't + * do so, the SCSI code will not + * be able to allocate any mem + * for transfers, unless we are + * dealing with a Z2 mem only + * system. /Jes + */ + + mach_hwclk = amiga_hwclk; + mach_set_clock_mmss = amiga_set_clock_mmss; +#ifdef CONFIG_AMIGA_FLOPPY + mach_floppy_setup = amiga_floppy_setup; +#endif + mach_reset = amiga_reset; + conswitchp = &dummy_con; + kd_mksound = amiga_mksound; +#ifdef CONFIG_MAGIC_SYSRQ + mach_sysrq_key = 0x5f; /* HELP */ + mach_sysrq_shift_state = 0x03; /* SHIFT+ALTGR */ + mach_sysrq_shift_mask = 0xff; /* all modifiers except CapsLock */ + mach_sysrq_xlate = amiga_sysrq_xlate; +#endif +#ifdef CONFIG_HEARTBEAT + mach_heartbeat = amiga_heartbeat; +#endif + + /* Fill in the clock values (based on the 700 kHz E-Clock) */ + amiga_masterclock = 40*amiga_eclock; /* 28 MHz */ + amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */ + + /* clear all DMA bits */ + custom.dmacon = DMAF_ALL; + /* ensure that the DMA master bit is set */ + custom.dmacon = DMAF_SETCLR | DMAF_MASTER; + + /* initialize chipram allocator */ + amiga_chip_init (); + + /* debugging using chipram */ + if (!strcmp( m68k_debug_device, "mem" )){ + if (!AMIGAHW_PRESENT(CHIP_RAM)) + printk("Warning: no chipram present for debugging\n"); + else { + amiga_savekmsg_init(); + amiga_console_driver.write = amiga_mem_console_write; + register_console(&amiga_console_driver); + } + } + + /* our beloved beeper */ + if (AMIGAHW_PRESENT(AMI_AUDIO)) + amiga_init_sound(); + + /* + * if it is an A3000, set the magic bit that forces + * a hard rekick + */ + if (AMIGAHW_PRESENT(MAGIC_REKICK)) + *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80; +} + +static unsigned short jiffy_ticks; + +__initfunc(static void amiga_sched_init(void (*timer_routine)(int, void *, + struct pt_regs *))) +{ + jiffy_ticks = (amiga_eclock+HZ/2)/HZ; + + ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */ + ciab.talo = jiffy_ticks % 256; + ciab.tahi = jiffy_ticks / 256; + + /* install interrupt service routine for CIAB Timer A + * + * Please don't change this to use ciaa, as it interferes with the + * SCSI code. We'll have to take a look at this later + */ + request_irq(IRQ_AMIGA_CIAB_TA, timer_routine, IRQ_FLG_LOCK, + "timer", NULL); + /* start timer */ + ciab.cra |= 0x11; +} + +#define TICK_SIZE 10000 + +/* This is always executed with interrupts disabled. */ +static unsigned long amiga_gettimeoffset (void) +{ + unsigned short hi, lo, hi2; + unsigned long ticks, offset = 0; + + /* read CIA B timer A current value */ + hi = ciab.tahi; + lo = ciab.talo; + hi2 = ciab.tahi; + + if (hi != hi2) { + lo = ciab.talo; + hi = hi2; + } + + ticks = hi << 8 | lo; + + if (ticks > jiffy_ticks / 2) + /* check for pending interrupt */ + if (cia_set_irq(&ciab_base, 0) & CIA_ICR_TA) + offset = 10000; + + ticks = jiffy_ticks - ticks; + ticks = (10000 * ticks) / jiffy_ticks; + + return ticks + offset; +} + +static void a3000_gettod (int *yearp, int *monp, int *dayp, + int *hourp, int *minp, int *secp) +{ + volatile struct tod3000 *tod = TOD_3000; + + tod->cntrl1 = TOD3000_CNTRL1_HOLD; + + *secp = tod->second1 * 10 + tod->second2; + *minp = tod->minute1 * 10 + tod->minute2; + *hourp = tod->hour1 * 10 + tod->hour2; + *dayp = tod->day1 * 10 + tod->day2; + *monp = tod->month1 * 10 + tod->month2; + *yearp = tod->year1 * 10 + tod->year2; + + tod->cntrl1 = TOD3000_CNTRL1_FREE; +} + +static void a2000_gettod (int *yearp, int *monp, int *dayp, + int *hourp, int *minp, int *secp) +{ + volatile struct tod2000 *tod = TOD_2000; + + tod->cntrl1 = TOD2000_CNTRL1_HOLD; + + while (tod->cntrl1 & TOD2000_CNTRL1_BUSY) + ; + + *secp = tod->second1 * 10 + tod->second2; + *minp = tod->minute1 * 10 + tod->minute2; + *hourp = (tod->hour1 & 3) * 10 + tod->hour2; + *dayp = tod->day1 * 10 + tod->day2; + *monp = tod->month1 * 10 + tod->month2; + *yearp = tod->year1 * 10 + tod->year2; + + if (!(tod->cntrl3 & TOD2000_CNTRL3_24HMODE)){ + if (!(tod->hour1 & TOD2000_HOUR1_PM) && *hourp == 12) + *hourp = 0; + else if ((tod->hour1 & TOD2000_HOUR1_PM) && *hourp != 12) + *hourp += 12; + } + + tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD; +} + +static int amiga_hwclk(int op, struct hwclk_time *t) +{ + if (AMIGAHW_PRESENT(A3000_CLK)) { + volatile struct tod3000 *tod = TOD_3000; + + tod->cntrl1 = TOD3000_CNTRL1_HOLD; + + if (!op) { /* read */ + t->sec = tod->second1 * 10 + tod->second2; + t->min = tod->minute1 * 10 + tod->minute2; + t->hour = tod->hour1 * 10 + tod->hour2; + t->day = tod->day1 * 10 + tod->day2; + t->wday = tod->weekday; + t->mon = tod->month1 * 10 + tod->month2 - 1; + t->year = tod->year1 * 10 + tod->year2; + } else { + tod->second1 = t->sec / 10; + tod->second2 = t->sec % 10; + tod->minute1 = t->min / 10; + tod->minute2 = t->min % 10; + tod->hour1 = t->hour / 10; + tod->hour2 = t->hour % 10; + tod->day1 = t->day / 10; + tod->day2 = t->day % 10; + if (t->wday != -1) + tod->weekday = t->wday; + tod->month1 = (t->mon + 1) / 10; + tod->month2 = (t->mon + 1) % 10; + tod->year1 = t->year / 10; + tod->year2 = t->year % 10; + } + + tod->cntrl1 = TOD3000_CNTRL1_FREE; + } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ { + volatile struct tod2000 *tod = TOD_2000; + + tod->cntrl1 = TOD2000_CNTRL1_HOLD; + + while (tod->cntrl1 & TOD2000_CNTRL1_BUSY) + ; + + if (!op) { /* read */ + t->sec = tod->second1 * 10 + tod->second2; + t->min = tod->minute1 * 10 + tod->minute2; + t->hour = (tod->hour1 & 3) * 10 + tod->hour2; + t->day = tod->day1 * 10 + tod->day2; + t->wday = tod->weekday; + t->mon = tod->month1 * 10 + tod->month2 - 1; + t->year = tod->year1 * 10 + tod->year2; + + if (!(tod->cntrl3 & TOD2000_CNTRL3_24HMODE)){ + if (!(tod->hour1 & TOD2000_HOUR1_PM) && t->hour == 12) + t->hour = 0; + else if ((tod->hour1 & TOD2000_HOUR1_PM) && t->hour != 12) + t->hour += 12; + } + } else { + tod->second1 = t->sec / 10; + tod->second2 = t->sec % 10; + tod->minute1 = t->min / 10; + tod->minute2 = t->min % 10; + if (tod->cntrl3 & TOD2000_CNTRL3_24HMODE) + tod->hour1 = t->hour / 10; + else if (t->hour >= 12) + tod->hour1 = TOD2000_HOUR1_PM + + (t->hour - 12) / 10; + else + tod->hour1 = t->hour / 10; + tod->hour2 = t->hour % 10; + tod->day1 = t->day / 10; + tod->day2 = t->day % 10; + if (t->wday != -1) + tod->weekday = t->wday; + tod->month1 = (t->mon + 1) / 10; + tod->month2 = (t->mon + 1) % 10; + tod->year1 = t->year / 10; + tod->year2 = t->year % 10; + } + + tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD; + } + + return 0; +} + +static int amiga_set_clock_mmss (unsigned long nowtime) +{ + short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60; + + if (AMIGAHW_PRESENT(A3000_CLK)) { + volatile struct tod3000 *tod = TOD_3000; + + tod->cntrl1 = TOD3000_CNTRL1_HOLD; + + tod->second1 = real_seconds / 10; + tod->second2 = real_seconds % 10; + tod->minute1 = real_minutes / 10; + tod->minute2 = real_minutes % 10; + + tod->cntrl1 = TOD3000_CNTRL1_FREE; + } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ { + volatile struct tod2000 *tod = TOD_2000; + + tod->cntrl1 = TOD2000_CNTRL1_HOLD; + + while (tod->cntrl1 & TOD2000_CNTRL1_BUSY) + ; + + tod->second1 = real_seconds / 10; + tod->second2 = real_seconds % 10; + tod->minute1 = real_minutes / 10; + tod->minute2 = real_minutes % 10; + + tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD; + } + + return 0; +} + +static int amiga_wait_key (struct console *co) +{ + int i; + + while (1) { + while (ciaa.pra & 0x40); + + /* debounce */ + for (i = 0; i < 1000; i++); + + if (!(ciaa.pra & 0x40)) + break; + } + + /* wait for button up */ + while (1) { + while (!(ciaa.pra & 0x40)); + + /* debounce */ + for (i = 0; i < 1000; i++); + + if (ciaa.pra & 0x40) + break; + } + return 0; +} + +void dbprintf(const char *fmt , ...) +{ + static char buf[1024]; + va_list args; + extern void console_print (const char *str); + extern int vsprintf(char * buf, const char * fmt, va_list args); + + va_start(args, fmt); + vsprintf(buf, fmt, args); + va_end(args); + + console_print (buf); +} + +static NORET_TYPE void amiga_reset( void ) + ATTRIB_NORET; + +static void amiga_reset (void) +{ + for (;;); +} + + + /* + * Debugging + */ + +#define SAVEKMSG_MAXMEM 128*1024 + +#define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */ +#define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */ + +struct savekmsg { + unsigned long magic1; /* SAVEKMSG_MAGIC1 */ + unsigned long magic2; /* SAVEKMSG_MAGIC2 */ + unsigned long magicptr; /* address of magic1 */ + unsigned long size; + char data[0]; +}; + +static struct savekmsg *savekmsg = NULL; + +static void amiga_mem_console_write(struct console *co, const char *s, + unsigned int count) +{ + if (savekmsg->size+count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) { + memcpy(savekmsg->data+savekmsg->size, s, count); + savekmsg->size += count; + } +} + +static void amiga_savekmsg_init(void) +{ + savekmsg = (struct savekmsg *)amiga_chip_alloc(SAVEKMSG_MAXMEM); + savekmsg->magic1 = SAVEKMSG_MAGIC1; + savekmsg->magic2 = SAVEKMSG_MAGIC2; + savekmsg->magicptr = virt_to_phys(savekmsg); + savekmsg->size = 0; +} + +static void amiga_serial_putc(char c) +{ + custom.serdat = (unsigned char)c | 0x100; + iobarrier (); + while (!(custom.serdatr & 0x2000)) + ; +} + +void amiga_serial_console_write(struct console *co, const char *s, + unsigned int count) +{ +#if 0 /* def CONFIG_KGDB */ + /* FIXME:APUS GDB doesn't seem to like O-packages before it is + properly connected with the target. */ + __gdb_output_string (s, count); +#else + while (count--) { + if (*s == '\n') + amiga_serial_putc('\r'); + amiga_serial_putc(*s++); + } +#endif +} + +#ifdef CONFIG_SERIAL_CONSOLE +void amiga_serial_puts(const char *s) +{ + amiga_serial_console_write(NULL, s, strlen(s)); +} + +int amiga_serial_console_wait_key(struct console *co) +{ + int ch; + + while (!(custom.intreqr & IF_RBF)) + barrier(); + ch = custom.serdatr & 0xff; + /* clear the interrupt, so that another character can be read */ + custom.intreq = IF_RBF; + return ch; +} + +void amiga_serial_gets(struct console *co, char *s, int len) +{ + int ch, cnt = 0; + + while (1) { + ch = amiga_serial_console_wait_key(co); + + /* Check for backspace. */ + if (ch == 8 || ch == 127) { + if (cnt == 0) { + amiga_serial_putc('\007'); + continue; + } + cnt--; + amiga_serial_puts("\010 \010"); + continue; + } + + /* Check for enter. */ + if (ch == 10 || ch == 13) + break; + + /* See if line is too long. */ + if (cnt >= len + 1) { + amiga_serial_putc(7); + cnt--; + continue; + } + + /* Store and echo character. */ + s[cnt++] = ch; + amiga_serial_putc(ch); + } + /* Print enter. */ + amiga_serial_puts("\r\n"); + s[cnt] = 0; +} +#endif + +__initfunc(static void amiga_debug_init(void)) +{ + if (!strcmp( m68k_debug_device, "ser" )) { + /* no initialization required (?) */ + amiga_console_driver.write = amiga_serial_console_write; + register_console(&amiga_console_driver); + } +} + +#ifdef CONFIG_HEARTBEAT +static void amiga_heartbeat(int on) +{ + if (on) + ciaa.pra &= ~2; + else + ciaa.pra |= 2; +} +#endif + + /* + * Amiga specific parts of /proc + */ + +static void amiga_get_model(char *model) +{ + strcpy(model, "Amiga "); + if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) + strcat(model, amiga_models[amiga_model-AMI_500]); +} + + +static int amiga_get_hardware_list(char *buffer) +{ + int len = 0; + + if (AMIGAHW_PRESENT(CHIP_RAM)) + len += sprintf(buffer+len, "Chip RAM:\t%ldK\n", amiga_chip_size>>10); + len += sprintf(buffer+len, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n", + amiga_psfreq, amiga_eclock); + if (AMIGAHW_PRESENT(AMI_VIDEO)) { + char *type; + switch(amiga_chipset) { + case CS_OCS: + type = "OCS"; + break; + case CS_ECS: + type = "ECS"; + break; + case CS_AGA: + type = "AGA"; + break; + default: + type = "Old or Unknown"; + break; + } + len += sprintf(buffer+len, "Graphics:\t%s\n", type); + } + +#define AMIGAHW_ANNOUNCE(name, str) \ + if (AMIGAHW_PRESENT(name)) \ + len += sprintf (buffer+len, "\t%s\n", str) + + len += sprintf (buffer + len, "Detected hardware:\n"); + + AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video"); + AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter"); + AMIGAHW_ANNOUNCE(AMBER_FF, "Amber Flicker Fixer"); + AMIGAHW_ANNOUNCE(AMI_AUDIO, "Amiga Audio"); + AMIGAHW_ANNOUNCE(AMI_FLOPPY, "Floppy Controller"); + AMIGAHW_ANNOUNCE(A3000_SCSI, "SCSI Controller WD33C93 (A3000 style)"); + AMIGAHW_ANNOUNCE(A4000_SCSI, "SCSI Controller NCR53C710 (A4000T style)"); + AMIGAHW_ANNOUNCE(A1200_IDE, "IDE Interface (A1200 style)"); + AMIGAHW_ANNOUNCE(A4000_IDE, "IDE Interface (A4000 style)"); + AMIGAHW_ANNOUNCE(CD_ROM, "Internal CD ROM drive"); + AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "Keyboard"); + AMIGAHW_ANNOUNCE(AMI_MOUSE, "Mouse Port"); + AMIGAHW_ANNOUNCE(AMI_SERIAL, "Serial Port"); + AMIGAHW_ANNOUNCE(AMI_PARALLEL, "Parallel Port"); + AMIGAHW_ANNOUNCE(A2000_CLK, "Hardware Clock (A2000 style)"); + AMIGAHW_ANNOUNCE(A3000_CLK, "Hardware Clock (A3000 style)"); + AMIGAHW_ANNOUNCE(CHIP_RAM, "Chip RAM"); + AMIGAHW_ANNOUNCE(PAULA, "Paula 8364"); + AMIGAHW_ANNOUNCE(DENISE, "Denise 8362"); + AMIGAHW_ANNOUNCE(DENISE_HR, "Denise 8373"); + AMIGAHW_ANNOUNCE(LISA, "Lisa 8375"); + AMIGAHW_ANNOUNCE(AGNUS_PAL, "Normal/Fat PAL Agnus 8367/8371"); + AMIGAHW_ANNOUNCE(AGNUS_NTSC, "Normal/Fat NTSC Agnus 8361/8370"); + AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "Fat Hires PAL Agnus 8372"); + AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "Fat Hires NTSC Agnus 8372"); + AMIGAHW_ANNOUNCE(ALICE_PAL, "PAL Alice 8374"); + AMIGAHW_ANNOUNCE(ALICE_NTSC, "NTSC Alice 8374"); + AMIGAHW_ANNOUNCE(MAGIC_REKICK, "Magic Hard Rekick"); + AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot"); + if (AMIGAHW_PRESENT(ZORRO)) + len += sprintf(buffer+len, "\tZorro%s AutoConfig: %d Expansion Device%s\n", + AMIGAHW_PRESENT(ZORRO3) ? " III" : "", + zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s"); + +#undef AMIGAHW_ANNOUNCE + + return(len); +} |