v4.19.13 snapshot.
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
new file mode 100644
index 0000000..65f63a4
--- /dev/null
+++ b/arch/m68k/amiga/config.c
@@ -0,0 +1,836 @@
+/*
+ * 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/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/pgtable.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);
+/* amiga specific timer functions */
+static u32 amiga_gettimeoffset(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_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:
+ 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)) \
+ 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;
+ arch_gettimeoffset = amiga_gettimeoffset;
+
+ /*
+ * 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 unsigned short jiffy_ticks;
+
+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, timer_routine, 0, "timer", NULL))
+ pr_err("Couldn't register timer interrupt\n");
+ /* start timer */
+ ciab.cra |= 0x11;
+}
+
+#define TICK_SIZE 10000
+
+/* This is always executed with interrupts disabled. */
+static u32 amiga_gettimeoffset(void)
+{
+ unsigned short hi, lo, hi2;
+ u32 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) * 1000;
+}
+
+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[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 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