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Diffstat (limited to '')
| -rw-r--r-- | arch/m68k/amiga/config.c | 859 |
1 files changed, 859 insertions, 0 deletions
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c new file mode 100644 index 000000000..bee9f240f --- /dev/null +++ b/arch/m68k/amiga/config.c @@ -0,0 +1,859 @@ +/* + * 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/seq_file.h> +#include <linux/tty.h> +#include <linux/clocksource.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> +#include <linux/zorro.h> +#include <linux/module.h> +#include <linux/keyboard.h> + +#include <asm/bootinfo.h> +#include <asm/bootinfo-amiga.h> +#include <asm/byteorder.h> +#include <asm/setup.h> +#include <asm/amigahw.h> +#include <asm/amigaints.h> +#include <asm/irq.h> +#include <asm/machdep.h> +#include <asm/io.h> + +static unsigned long amiga_model; + +unsigned long amiga_eclock; +EXPORT_SYMBOL(amiga_eclock); + +unsigned long amiga_colorclock; +EXPORT_SYMBOL(amiga_colorclock); + +unsigned long amiga_chipset; +EXPORT_SYMBOL(amiga_chipset); + +unsigned char amiga_vblank; +EXPORT_SYMBOL(amiga_vblank); + +static unsigned char amiga_psfreq; + +struct amiga_hw_present amiga_hw_present; +EXPORT_SYMBOL(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 "; + +static void amiga_sched_init(irq_handler_t handler); +static void amiga_get_model(char *model); +static void amiga_get_hardware_list(struct seq_file *m); +extern void amiga_mksound(unsigned int count, unsigned int ticks); +static void amiga_reset(void); +extern void amiga_init_sound(void); +static void amiga_mem_console_write(struct console *co, const char *b, + unsigned int count); +#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 ram_resource[NUM_MEMINFO]; + + + /* + * Parse an Amiga-specific record in the bootinfo + */ + +int __init amiga_parse_bootinfo(const struct bi_record *record) +{ + int unknown = 0; + const void *data = record->data; + + switch (be16_to_cpu(record->tag)) { + case BI_AMIGA_MODEL: + amiga_model = be32_to_cpup(data); + break; + + case BI_AMIGA_ECLOCK: + amiga_eclock = be32_to_cpup(data); + break; + + case BI_AMIGA_CHIPSET: + amiga_chipset = be32_to_cpup(data); + break; + + case BI_AMIGA_CHIP_SIZE: + amiga_chip_size = be32_to_cpup(data); + break; + + case BI_AMIGA_VBLANK: + amiga_vblank = *(const __u8 *)data; + break; + + case BI_AMIGA_PSFREQ: + amiga_psfreq = *(const __u8 *)data; + break; + + case BI_AMIGA_AUTOCON: +#ifdef CONFIG_ZORRO + if (zorro_num_autocon < ZORRO_NUM_AUTO) { + const struct ConfigDev *cd = data; + struct zorro_dev_init *dev = &zorro_autocon_init[zorro_num_autocon++]; + dev->rom = cd->cd_Rom; + dev->slotaddr = be16_to_cpu(cd->cd_SlotAddr); + dev->slotsize = be16_to_cpu(cd->cd_SlotSize); + dev->boardaddr = be32_to_cpu(cd->cd_BoardAddr); + dev->boardsize = be32_to_cpu(cd->cd_BoardSize); + } else + pr_warn("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)); + + pr_info("Amiga hardware found: "); + if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) { + pr_cont("[%s] ", amiga_models[amiga_model-AMI_500]); + strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]); + } + + switch (amiga_model) { + case AMI_UNKNOWN: + break; + + case AMI_600: + case AMI_1200: + AMIGAHW_SET(A1200_IDE); + AMIGAHW_SET(PCMCIA); + fallthrough; + 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? */ + break; + + case AMI_3000: + case AMI_3000T: + AMIGAHW_SET(AMBER_FF); + AMIGAHW_SET(MAGIC_REKICK); + fallthrough; + case AMI_3000PLUS: + AMIGAHW_SET(A3000_SCSI); + AMIGAHW_SET(A3000_CLK); + AMIGAHW_SET(ZORRO3); + break; + + case AMI_4000T: + AMIGAHW_SET(A4000_SCSI); + fallthrough; + case AMI_4000: + AMIGAHW_SET(A4000_IDE); + AMIGAHW_SET(A3000_CLK); + AMIGAHW_SET(ZORRO3); + break; + + case AMI_CDTV: + case AMI_CD32: + AMIGAHW_SET(CD_ROM); + AMIGAHW_SET(A2000_CLK); /* Is this correct? */ + break; + + case AMI_DRACO: + panic("No support for Draco yet"); + + default: + panic("Unknown Amiga Model"); + } + + 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; + default: + AMIGAHW_SET(DENISE); + break; + } + 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); + +#define AMIGAHW_ANNOUNCE(name, str) \ + if (AMIGAHW_PRESENT(name)) \ + pr_cont(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)) + pr_cont("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : ""); + pr_cont("\n"); + +#undef AMIGAHW_ANNOUNCE +} + + +static unsigned long amiga_random_get_entropy(void) +{ + /* VPOSR/VHPOSR provide at least 17 bits of data changing at 1.79 MHz */ + return *(unsigned long *)&amiga_custom.vposr; +} + + + /* + * Setup the Amiga configuration info + */ + +void __init config_amiga(void) +{ + int i; + + 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; + + /* + * 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_max_dma_address = 0xffffffff; + + mach_reset = amiga_reset; +#if IS_ENABLED(CONFIG_INPUT_M68K_BEEP) + mach_beep = amiga_mksound; +#endif + +#ifdef CONFIG_HEARTBEAT + mach_heartbeat = amiga_heartbeat; +#endif + + mach_random_get_entropy = amiga_random_get_entropy; + + /* Fill in the clock value (based on the 700 kHz E-Clock) */ + 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 */ + pr_warn("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) + pr_info("%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(); + + /* 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 u64 amiga_read_clk(struct clocksource *cs); + +static struct clocksource amiga_clk = { + .name = "ciab", + .rating = 250, + .read = amiga_read_clk, + .mask = CLOCKSOURCE_MASK(32), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +static unsigned short jiffy_ticks; +static u32 clk_total, clk_offset; + +static irqreturn_t ciab_timer_handler(int irq, void *dev_id) +{ + irq_handler_t timer_routine = dev_id; + + clk_total += jiffy_ticks; + clk_offset = 0; + timer_routine(0, NULL); + + return IRQ_HANDLED; +} + +static void __init amiga_sched_init(irq_handler_t timer_routine) +{ + static struct resource sched_res = { + .name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff, + }; + jiffy_ticks = DIV_ROUND_CLOSEST(amiga_eclock, HZ); + + if (request_resource(&mb_resources._ciab, &sched_res)) + pr_warn("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 + */ + if (request_irq(IRQ_AMIGA_CIAB_TA, ciab_timer_handler, IRQF_TIMER, + "timer", timer_routine)) + pr_err("Couldn't register timer interrupt\n"); + /* start timer */ + ciab.cra |= 0x11; + + clocksource_register_hz(&amiga_clk, amiga_eclock); +} + +static u64 amiga_read_clk(struct clocksource *cs) +{ + unsigned short hi, lo, hi2; + unsigned long flags; + u32 ticks; + + local_irq_save(flags); + + /* 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) + clk_offset = jiffy_ticks; + + ticks = jiffy_ticks - ticks; + ticks += clk_offset + clk_total; + + local_irq_restore(flags); + + return ticks; +} + +static void amiga_reset(void) __noreturn; + +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 ("\n" + " move.l %0,%%d0\n" + " and.l #0xff000000,%%d0\n" + " or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */ + " .chip 68040\n" + " movec %%d0,%%itt0\n" + " movec %%d0,%%dtt0\n" + " .chip 68k\n" + " jmp %0@\n" + : /* no outputs */ + : "a" (jmp_addr040) + : "d0"); + else + /* for 680[23]0, just disable translation and jump to the physical + * address of the label + */ + asm volatile ("\n" + " pmove %%tc,%@\n" + " bclr #7,%@\n" + " pmove %@,%%tc\n" + " jmp %0@\n" + : /* no outputs */ + : "a" (jmp_addr)); +jmp_addr_label040: + /* disable translation on '040 now */ + asm volatile ("\n" + " moveq #0,%%d0\n" + " .chip 68040\n" + " movec %%d0,%%tc\n" /* disable MMU */ + " .chip 68k\n" + : /* no outputs */ + : /* no inputs */ + : "d0"); + + jmp_addr_label: + /* pickup reset address from AmigaOS ROM, reset devices and jump + * to reset address + */ + asm volatile ("\n" + " move.w #0x2700,%sr\n" + " lea 0x01000000,%a0\n" + " sub.l %a0@(-0x14),%a0\n" + " move.l %a0@(4),%a0\n" + " subq.l #2,%a0\n" + " jra 1f\n" + /* align on a longword boundary */ + " " __ALIGN_STR "\n" + "1:\n" + " reset\n" + " jmp %a0@"); + + 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[]; +}; + +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 int __init amiga_savekmsg_setup(char *arg) +{ + bool registered; + + if (!MACH_IS_AMIGA || strcmp(arg, "mem")) + return 0; + + if (amiga_chip_size < SAVEKMSG_MAXMEM) { + pr_err("Not enough chipram for debugging\n"); + return -ENOMEM; + } + + /* Just steal the block, the chipram allocator isn't functional yet */ + amiga_chip_size -= SAVEKMSG_MAXMEM; + savekmsg = ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size); + savekmsg->magic1 = SAVEKMSG_MAGIC1; + savekmsg->magic2 = SAVEKMSG_MAGIC2; + savekmsg->magicptr = ZTWO_PADDR(savekmsg); + savekmsg->size = 0; + + registered = !!amiga_console_driver.write; + amiga_console_driver.write = amiga_mem_console_write; + if (!registered) + register_console(&amiga_console_driver); + return 0; +} + +early_param("debug", amiga_savekmsg_setup); + +static void amiga_serial_putc(char c) +{ + amiga_custom.serdat = (unsigned char)c | 0x100; + while (!(amiga_custom.serdatr & 0x2000)) + ; +} + +static 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++); + } +} + +#if 0 +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 int __init amiga_debug_setup(char *arg) +{ + bool registered; + + if (!MACH_IS_AMIGA || strcmp(arg, "ser")) + return 0; + + /* no initialization required (?) */ + registered = !!amiga_console_driver.write; + amiga_console_driver.write = amiga_serial_console_write; + if (!registered) + register_console(&amiga_console_driver); + return 0; +} + +early_param("debug", amiga_debug_setup); + +#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 void amiga_get_hardware_list(struct seq_file *m) +{ + if (AMIGAHW_PRESENT(CHIP_RAM)) + seq_printf(m, "Chip RAM:\t%ldK\n", amiga_chip_size>>10); + seq_printf(m, "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; + } + seq_printf(m, "Graphics:\t%s\n", type); + } + +#define AMIGAHW_ANNOUNCE(name, str) \ + if (AMIGAHW_PRESENT(name)) \ + seq_printf (m, "\t%s\n", str) + + seq_puts(m, "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)) + seq_printf(m, "\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 +} + +/* + * The Amiga keyboard driver needs key_maps, but we cannot export it in + * drivers/char/defkeymap.c, as it is autogenerated + */ +#ifdef CONFIG_HW_CONSOLE +EXPORT_SYMBOL_GPL(key_maps); +#endif |