| /* |
| * 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/types.h> |
| #include <linux/kernel.h> |
| #include <linux/mm.h> |
| #include <linux/tty.h> |
| #include <linux/console.h> |
| #include <linux/rtc.h> |
| #include <linux/init.h> |
| #include <linux/vt_kern.h> |
| #include <linux/delay.h> |
| #include <linux/interrupt.h> |
| #ifdef CONFIG_ZORRO |
| #include <linux/zorro.h> |
| #endif |
| |
| #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/rtc.h> |
| #include <asm/machdep.h> |
| #include <asm/io.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 char s_a500[] __initdata = "A500"; |
| static char s_a500p[] __initdata = "A500+"; |
| static char s_a600[] __initdata = "A600"; |
| static char s_a1000[] __initdata = "A1000"; |
| static char s_a1200[] __initdata = "A1200"; |
| static char s_a2000[] __initdata = "A2000"; |
| static char s_a2500[] __initdata = "A2500"; |
| static char s_a3000[] __initdata = "A3000"; |
| static char s_a3000t[] __initdata = "A3000T"; |
| static char s_a3000p[] __initdata = "A3000+"; |
| static char s_a4000[] __initdata = "A4000"; |
| static char s_a4000t[] __initdata = "A4000T"; |
| static char s_cdtv[] __initdata = "CDTV"; |
| static char s_cd32[] __initdata = "CD32"; |
| static char s_draco[] __initdata = "Draco"; |
| static char *amiga_models[] __initdata = { |
| [AMI_500-AMI_500] = s_a500, |
| [AMI_500PLUS-AMI_500] = s_a500p, |
| [AMI_600-AMI_500] = s_a600, |
| [AMI_1000-AMI_500] = s_a1000, |
| [AMI_1200-AMI_500] = s_a1200, |
| [AMI_2000-AMI_500] = s_a2000, |
| [AMI_2500-AMI_500] = s_a2500, |
| [AMI_3000-AMI_500] = s_a3000, |
| [AMI_3000T-AMI_500] = s_a3000t, |
| [AMI_3000PLUS-AMI_500] = s_a3000p, |
| [AMI_4000-AMI_500] = s_a4000, |
| [AMI_4000T-AMI_500] = s_a4000t, |
| [AMI_CDTV-AMI_500] = s_cdtv, |
| [AMI_CD32-AMI_500] = s_cd32, |
| [AMI_DRACO-AMI_500] = s_draco, |
| }; |
| |
| static char amiga_model_name[13] = "Amiga "; |
| |
| extern char m68k_debug_device[]; |
| |
| static void amiga_sched_init(irqreturn_t (*handler)(int, void *)); |
| /* amiga specific irq functions */ |
| extern void amiga_init_IRQ (void); |
| static void amiga_get_model(char *model); |
| static int amiga_get_hardware_list(char *buffer); |
| /* amiga specific timer functions */ |
| static unsigned long amiga_gettimeoffset (void); |
| static int a3000_hwclk (int, struct rtc_time *); |
| static int a2000_hwclk (int, struct rtc_time *); |
| static int amiga_set_clock_mmss (unsigned long); |
| static unsigned int amiga_get_ss (void); |
| extern void amiga_mksound( unsigned int count, unsigned int ticks ); |
| static void amiga_reset (void); |
| 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 = { |
| .name = "debug", |
| .flags = CON_PRINTBUFFER, |
| .index = -1, |
| }; |
| |
| |
| /* |
| * Motherboard Resources present in all Amiga models |
| */ |
| |
| static struct { |
| struct resource _ciab, _ciaa, _custom, _kickstart; |
| } mb_resources = { |
| ._ciab = { |
| .name = "CIA B", .start = 0x00bfd000, .end = 0x00bfdfff |
| }, |
| ._ciaa = { |
| .name = "CIA A", .start = 0x00bfe000, .end = 0x00bfefff |
| }, |
| ._custom = { |
| .name = "Custom I/O", .start = 0x00dff000, .end = 0x00dfffff |
| }, |
| ._kickstart = { |
| .name = "Kickstart ROM", .start = 0x00f80000, .end = 0x00ffffff |
| } |
| }; |
| |
| static struct resource rtc_resource = { |
| .start = 0x00dc0000, .end = 0x00dcffff |
| }; |
| |
| static struct resource ram_resource[NUM_MEMINFO]; |
| |
| |
| /* |
| * 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: |
| #ifdef CONFIG_ZORRO |
| if (zorro_num_autocon < ZORRO_NUM_AUTO) { |
| const struct ConfigDev *cd = (struct ConfigDev *)data; |
| struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++]; |
| dev->rom = cd->cd_Rom; |
| dev->slotaddr = cd->cd_SlotAddr; |
| dev->slotsize = cd->cd_SlotSize; |
| dev->resource.start = (unsigned long)cd->cd_BoardAddr; |
| dev->resource.end = dev->resource.start+cd->cd_BoardSize-1; |
| } else |
| printk("amiga_parse_bootinfo: too many AutoConfig devices\n"); |
| #endif /* CONFIG_ZORRO */ |
| break; |
| |
| case BI_AMIGA_SERPER: |
| /* serial port period: ignored here */ |
| break; |
| |
| default: |
| unknown = 1; |
| } |
| return(unknown); |
| } |
| |
| /* |
| * Identify builtin hardware |
| */ |
| |
| static void __init 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]); |
| strcat(amiga_model_name, 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 (amiga_custom.deniseid & 0xf) { |
| case 0x0c: |
| AMIGAHW_SET(DENISE_HR); |
| break; |
| case 0x08: |
| AMIGAHW_SET(LISA); |
| break; |
| } |
| break; |
| default: |
| AMIGAHW_SET(DENISE); |
| break; |
| } |
| switch ((amiga_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 |
| */ |
| |
| void __init config_amiga(void) |
| { |
| int i; |
| |
| amiga_debug_init(); |
| amiga_identify(); |
| |
| /* Yuk, we don't have PCI memory */ |
| iomem_resource.name = "Memory"; |
| for (i = 0; i < 4; i++) |
| request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]); |
| |
| mach_sched_init = amiga_sched_init; |
| mach_init_IRQ = amiga_init_IRQ; |
| mach_get_model = amiga_get_model; |
| mach_get_hardware_list = amiga_get_hardware_list; |
| mach_gettimeoffset = amiga_gettimeoffset; |
| if (AMIGAHW_PRESENT(A3000_CLK)){ |
| mach_hwclk = a3000_hwclk; |
| rtc_resource.name = "A3000 RTC"; |
| request_resource(&iomem_resource, &rtc_resource); |
| } |
| else{ /* if (AMIGAHW_PRESENT(A2000_CLK)) */ |
| mach_hwclk = a2000_hwclk; |
| rtc_resource.name = "A2000 RTC"; |
| request_resource(&iomem_resource, &rtc_resource); |
| } |
| |
| 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_set_clock_mmss = amiga_set_clock_mmss; |
| mach_get_ss = amiga_get_ss; |
| mach_reset = amiga_reset; |
| #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE) |
| mach_beep = amiga_mksound; |
| #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 */ |
| amiga_custom.dmacon = DMAF_ALL; |
| /* ensure that the DMA master bit is set */ |
| amiga_custom.dmacon = DMAF_SETCLR | DMAF_MASTER; |
| |
| /* don't use Z2 RAM as system memory on Z3 capable machines */ |
| if (AMIGAHW_PRESENT(ZORRO3)) { |
| int i, j; |
| u32 disabled_z2mem = 0; |
| for (i = 0; i < m68k_num_memory; i++) |
| if (m68k_memory[i].addr < 16*1024*1024) { |
| if (i == 0) { |
| /* don't cut off the branch we're sitting on */ |
| printk("Warning: kernel runs in Zorro II memory\n"); |
| continue; |
| } |
| disabled_z2mem += m68k_memory[i].size; |
| m68k_num_memory--; |
| for (j = i; j < m68k_num_memory; j++) |
| m68k_memory[j] = m68k_memory[j+1]; |
| i--; |
| } |
| if (disabled_z2mem) |
| printk("%dK of Zorro II memory will not be used as system memory\n", |
| disabled_z2mem>>10); |
| } |
| |
| /* request all RAM */ |
| for (i = 0; i < m68k_num_memory; i++) { |
| ram_resource[i].name = |
| (m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" : |
| (m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" : |
| "16-bit Slow RAM"; |
| ram_resource[i].start = m68k_memory[i].addr; |
| ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1; |
| request_resource(&iomem_resource, &ram_resource[i]); |
| } |
| |
| /* 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; |
| |
| static void __init amiga_sched_init(irqreturn_t (*timer_routine)(int, void *)) |
| { |
| static struct resource sched_res = { |
| .name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff, |
| }; |
| jiffy_ticks = (amiga_eclock+HZ/2)/HZ; |
| |
| if (request_resource(&mb_resources._ciab, &sched_res)) |
| printk("Cannot allocate ciab.ta{lo,hi}\n"); |
| 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, 0, "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 int a3000_hwclk(int op, struct rtc_time *t) |
| { |
| tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD; |
| |
| if (!op) { /* read */ |
| t->tm_sec = tod_3000.second1 * 10 + tod_3000.second2; |
| t->tm_min = tod_3000.minute1 * 10 + tod_3000.minute2; |
| t->tm_hour = tod_3000.hour1 * 10 + tod_3000.hour2; |
| t->tm_mday = tod_3000.day1 * 10 + tod_3000.day2; |
| t->tm_wday = tod_3000.weekday; |
| t->tm_mon = tod_3000.month1 * 10 + tod_3000.month2 - 1; |
| t->tm_year = tod_3000.year1 * 10 + tod_3000.year2; |
| if (t->tm_year <= 69) |
| t->tm_year += 100; |
| } else { |
| tod_3000.second1 = t->tm_sec / 10; |
| tod_3000.second2 = t->tm_sec % 10; |
| tod_3000.minute1 = t->tm_min / 10; |
| tod_3000.minute2 = t->tm_min % 10; |
| tod_3000.hour1 = t->tm_hour / 10; |
| tod_3000.hour2 = t->tm_hour % 10; |
| tod_3000.day1 = t->tm_mday / 10; |
| tod_3000.day2 = t->tm_mday % 10; |
| if (t->tm_wday != -1) |
| tod_3000.weekday = t->tm_wday; |
| tod_3000.month1 = (t->tm_mon + 1) / 10; |
| tod_3000.month2 = (t->tm_mon + 1) % 10; |
| if (t->tm_year >= 100) |
| t->tm_year -= 100; |
| tod_3000.year1 = t->tm_year / 10; |
| tod_3000.year2 = t->tm_year % 10; |
| } |
| |
| tod_3000.cntrl1 = TOD3000_CNTRL1_FREE; |
| |
| return 0; |
| } |
| |
| static int a2000_hwclk(int op, struct rtc_time *t) |
| { |
| int cnt = 5; |
| |
| tod_2000.cntrl1 = TOD2000_CNTRL1_HOLD; |
| |
| while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) |
| { |
| tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; |
| udelay(70); |
| tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; |
| } |
| |
| if (!cnt) |
| printk(KERN_INFO "hwclk: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1); |
| |
| if (!op) { /* read */ |
| t->tm_sec = tod_2000.second1 * 10 + tod_2000.second2; |
| t->tm_min = tod_2000.minute1 * 10 + tod_2000.minute2; |
| t->tm_hour = (tod_2000.hour1 & 3) * 10 + tod_2000.hour2; |
| t->tm_mday = tod_2000.day1 * 10 + tod_2000.day2; |
| t->tm_wday = tod_2000.weekday; |
| t->tm_mon = tod_2000.month1 * 10 + tod_2000.month2 - 1; |
| t->tm_year = tod_2000.year1 * 10 + tod_2000.year2; |
| if (t->tm_year <= 69) |
| t->tm_year += 100; |
| |
| if (!(tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)){ |
| if (!(tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour == 12) |
| t->tm_hour = 0; |
| else if ((tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour != 12) |
| t->tm_hour += 12; |
| } |
| } else { |
| tod_2000.second1 = t->tm_sec / 10; |
| tod_2000.second2 = t->tm_sec % 10; |
| tod_2000.minute1 = t->tm_min / 10; |
| tod_2000.minute2 = t->tm_min % 10; |
| if (tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE) |
| tod_2000.hour1 = t->tm_hour / 10; |
| else if (t->tm_hour >= 12) |
| tod_2000.hour1 = TOD2000_HOUR1_PM + |
| (t->tm_hour - 12) / 10; |
| else |
| tod_2000.hour1 = t->tm_hour / 10; |
| tod_2000.hour2 = t->tm_hour % 10; |
| tod_2000.day1 = t->tm_mday / 10; |
| tod_2000.day2 = t->tm_mday % 10; |
| if (t->tm_wday != -1) |
| tod_2000.weekday = t->tm_wday; |
| tod_2000.month1 = (t->tm_mon + 1) / 10; |
| tod_2000.month2 = (t->tm_mon + 1) % 10; |
| if (t->tm_year >= 100) |
| t->tm_year -= 100; |
| tod_2000.year1 = t->tm_year / 10; |
| tod_2000.year2 = t->tm_year % 10; |
| } |
| |
| tod_2000.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)) { |
| tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD; |
| |
| tod_3000.second1 = real_seconds / 10; |
| tod_3000.second2 = real_seconds % 10; |
| tod_3000.minute1 = real_minutes / 10; |
| tod_3000.minute2 = real_minutes % 10; |
| |
| tod_3000.cntrl1 = TOD3000_CNTRL1_FREE; |
| } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ { |
| int cnt = 5; |
| |
| tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; |
| |
| while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) |
| { |
| tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; |
| udelay(70); |
| tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; |
| } |
| |
| if (!cnt) |
| printk(KERN_INFO "set_clock_mmss: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1); |
| |
| tod_2000.second1 = real_seconds / 10; |
| tod_2000.second2 = real_seconds % 10; |
| tod_2000.minute1 = real_minutes / 10; |
| tod_2000.minute2 = real_minutes % 10; |
| |
| tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; |
| } |
| |
| return 0; |
| } |
| |
| static unsigned int amiga_get_ss( void ) |
| { |
| unsigned int s; |
| |
| if (AMIGAHW_PRESENT(A3000_CLK)) { |
| tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD; |
| s = tod_3000.second1 * 10 + tod_3000.second2; |
| tod_3000.cntrl1 = TOD3000_CNTRL1_FREE; |
| } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ { |
| s = tod_2000.second1 * 10 + tod_2000.second2; |
| } |
| return s; |
| } |
| |
| static NORET_TYPE void amiga_reset( void ) |
| ATTRIB_NORET; |
| |
| static void amiga_reset (void) |
| { |
| unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040); |
| unsigned long jmp_addr = virt_to_phys(&&jmp_addr_label); |
| |
| local_irq_disable(); |
| if (CPU_IS_040_OR_060) |
| /* Setup transparent translation registers for mapping |
| * of 16 MB kernel segment before disabling translation |
| */ |
| __asm__ __volatile__ |
| ("movel %0,%/d0\n\t" |
| "andl #0xff000000,%/d0\n\t" |
| "orw #0xe020,%/d0\n\t" /* map 16 MB, enable, cacheable */ |
| ".chip 68040\n\t" |
| "movec %%d0,%%itt0\n\t" |
| "movec %%d0,%%dtt0\n\t" |
| ".chip 68k\n\t" |
| "jmp %0@\n\t" |
| : /* no outputs */ |
| : "a" (jmp_addr040)); |
| else |
| /* for 680[23]0, just disable translation and jump to the physical |
| * address of the label |
| */ |
| __asm__ __volatile__ |
| ("pmove %/tc,%@\n\t" |
| "bclr #7,%@\n\t" |
| "pmove %@,%/tc\n\t" |
| "jmp %0@\n\t" |
| : /* no outputs */ |
| : "a" (jmp_addr)); |
| jmp_addr_label040: |
| /* disable translation on '040 now */ |
| __asm__ __volatile__ |
| ("moveq #0,%/d0\n\t" |
| ".chip 68040\n\t" |
| "movec %%d0,%%tc\n\t" /* disable MMU */ |
| ".chip 68k\n\t" |
| : /* no outputs */ |
| : /* no inputs */ |
| : "d0"); |
| |
| jmp_addr_label: |
| /* pickup reset address from AmigaOS ROM, reset devices and jump |
| * to reset address |
| */ |
| __asm__ __volatile__ |
| ("movew #0x2700,%/sr\n\t" |
| "leal 0x01000000,%/a0\n\t" |
| "subl %/a0@(-0x14),%/a0\n\t" |
| "movel %/a0@(4),%/a0\n\t" |
| "subql #2,%/a0\n\t" |
| "bra 1f\n\t" |
| /* align on a longword boundary */ |
| __ALIGN_STR "\n" |
| "1:\n\t" |
| "reset\n\t" |
| "jmp %/a0@" : /* Just that gcc scans it for % escapes */ ); |
| |
| 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; |
| |
| 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) |
| { |
| static struct resource debug_res = { .name = "Debug" }; |
| |
| savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res); |
| savekmsg->magic1 = SAVEKMSG_MAGIC1; |
| savekmsg->magic2 = SAVEKMSG_MAGIC2; |
| savekmsg->magicptr = ZTWO_PADDR(savekmsg); |
| savekmsg->size = 0; |
| } |
| |
| static void amiga_serial_putc(char c) |
| { |
| amiga_custom.serdat = (unsigned char)c | 0x100; |
| while (!(amiga_custom.serdatr & 0x2000)) |
| ; |
| } |
| |
| void amiga_serial_console_write(struct console *co, const char *s, |
| unsigned int count) |
| { |
| while (count--) { |
| if (*s == '\n') |
| amiga_serial_putc('\r'); |
| amiga_serial_putc(*s++); |
| } |
| } |
| |
| #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 (!(amiga_custom.intreqr & IF_RBF)) |
| barrier(); |
| ch = amiga_custom.serdatr & 0xff; |
| /* clear the interrupt, so that another character can be read */ |
| amiga_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 |
| |
| static void __init 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_model_name); |
| } |
| |
| |
| 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"); |
| #ifdef CONFIG_ZORRO |
| if (AMIGAHW_PRESENT(ZORRO)) |
| len += sprintf(buffer+len, "\tZorro II%s AutoConfig: %d Expansion " |
| "Device%s\n", |
| AMIGAHW_PRESENT(ZORRO3) ? "I" : "", |
| zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s"); |
| #endif /* CONFIG_ZORRO */ |
| |
| #undef AMIGAHW_ANNOUNCE |
| |
| return(len); |
| } |