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850 lines
20 KiB
850 lines
20 KiB
/* |
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* linux/arch/m68k/amiga/config.c |
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* |
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* Copyright (C) 1993 Hamish Macdonald |
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* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file COPYING in the main directory of this archive |
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* for more details. |
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*/ |
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|
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/* |
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* Miscellaneous Amiga stuff |
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*/ |
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|
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#include <linux/types.h> |
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#include <linux/kernel.h> |
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#include <linux/mm.h> |
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#include <linux/seq_file.h> |
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#include <linux/tty.h> |
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#include <linux/clocksource.h> |
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#include <linux/console.h> |
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#include <linux/rtc.h> |
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#include <linux/init.h> |
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#include <linux/vt_kern.h> |
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#include <linux/delay.h> |
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#include <linux/interrupt.h> |
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#include <linux/zorro.h> |
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#include <linux/module.h> |
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#include <linux/keyboard.h> |
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#include <asm/bootinfo.h> |
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#include <asm/bootinfo-amiga.h> |
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#include <asm/byteorder.h> |
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#include <asm/setup.h> |
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#include <asm/amigahw.h> |
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#include <asm/amigaints.h> |
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#include <asm/irq.h> |
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#include <asm/machdep.h> |
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#include <asm/io.h> |
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static unsigned long amiga_model; |
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unsigned long amiga_eclock; |
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EXPORT_SYMBOL(amiga_eclock); |
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unsigned long amiga_colorclock; |
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EXPORT_SYMBOL(amiga_colorclock); |
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unsigned long amiga_chipset; |
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EXPORT_SYMBOL(amiga_chipset); |
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unsigned char amiga_vblank; |
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EXPORT_SYMBOL(amiga_vblank); |
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static unsigned char amiga_psfreq; |
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struct amiga_hw_present amiga_hw_present; |
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EXPORT_SYMBOL(amiga_hw_present); |
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static char s_a500[] __initdata = "A500"; |
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static char s_a500p[] __initdata = "A500+"; |
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static char s_a600[] __initdata = "A600"; |
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static char s_a1000[] __initdata = "A1000"; |
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static char s_a1200[] __initdata = "A1200"; |
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static char s_a2000[] __initdata = "A2000"; |
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static char s_a2500[] __initdata = "A2500"; |
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static char s_a3000[] __initdata = "A3000"; |
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static char s_a3000t[] __initdata = "A3000T"; |
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static char s_a3000p[] __initdata = "A3000+"; |
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static char s_a4000[] __initdata = "A4000"; |
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static char s_a4000t[] __initdata = "A4000T"; |
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static char s_cdtv[] __initdata = "CDTV"; |
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static char s_cd32[] __initdata = "CD32"; |
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static char s_draco[] __initdata = "Draco"; |
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static char *amiga_models[] __initdata = { |
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[AMI_500-AMI_500] = s_a500, |
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[AMI_500PLUS-AMI_500] = s_a500p, |
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[AMI_600-AMI_500] = s_a600, |
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[AMI_1000-AMI_500] = s_a1000, |
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[AMI_1200-AMI_500] = s_a1200, |
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[AMI_2000-AMI_500] = s_a2000, |
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[AMI_2500-AMI_500] = s_a2500, |
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[AMI_3000-AMI_500] = s_a3000, |
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[AMI_3000T-AMI_500] = s_a3000t, |
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[AMI_3000PLUS-AMI_500] = s_a3000p, |
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[AMI_4000-AMI_500] = s_a4000, |
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[AMI_4000T-AMI_500] = s_a4000t, |
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[AMI_CDTV-AMI_500] = s_cdtv, |
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[AMI_CD32-AMI_500] = s_cd32, |
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[AMI_DRACO-AMI_500] = s_draco, |
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}; |
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static char amiga_model_name[13] = "Amiga "; |
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static void amiga_sched_init(void); |
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static void amiga_get_model(char *model); |
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static void amiga_get_hardware_list(struct seq_file *m); |
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extern void amiga_mksound(unsigned int count, unsigned int ticks); |
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static void amiga_reset(void); |
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extern void amiga_init_sound(void); |
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static void amiga_mem_console_write(struct console *co, const char *b, |
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unsigned int count); |
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#ifdef CONFIG_HEARTBEAT |
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static void amiga_heartbeat(int on); |
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#endif |
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static struct console amiga_console_driver = { |
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.name = "debug", |
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.flags = CON_PRINTBUFFER, |
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.index = -1, |
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}; |
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/* |
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* Motherboard Resources present in all Amiga models |
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*/ |
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static struct { |
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struct resource _ciab, _ciaa, _custom, _kickstart; |
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} mb_resources = { |
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._ciab = { |
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.name = "CIA B", .start = 0x00bfd000, .end = 0x00bfdfff |
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}, |
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._ciaa = { |
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.name = "CIA A", .start = 0x00bfe000, .end = 0x00bfefff |
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}, |
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._custom = { |
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.name = "Custom I/O", .start = 0x00dff000, .end = 0x00dfffff |
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}, |
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._kickstart = { |
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.name = "Kickstart ROM", .start = 0x00f80000, .end = 0x00ffffff |
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} |
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}; |
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static struct resource ram_resource[NUM_MEMINFO]; |
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/* |
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* Parse an Amiga-specific record in the bootinfo |
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*/ |
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int __init amiga_parse_bootinfo(const struct bi_record *record) |
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{ |
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int unknown = 0; |
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const void *data = record->data; |
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switch (be16_to_cpu(record->tag)) { |
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case BI_AMIGA_MODEL: |
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amiga_model = be32_to_cpup(data); |
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break; |
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case BI_AMIGA_ECLOCK: |
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amiga_eclock = be32_to_cpup(data); |
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break; |
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case BI_AMIGA_CHIPSET: |
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amiga_chipset = be32_to_cpup(data); |
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break; |
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case BI_AMIGA_CHIP_SIZE: |
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amiga_chip_size = be32_to_cpup(data); |
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break; |
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case BI_AMIGA_VBLANK: |
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amiga_vblank = *(const __u8 *)data; |
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break; |
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case BI_AMIGA_PSFREQ: |
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amiga_psfreq = *(const __u8 *)data; |
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break; |
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case BI_AMIGA_AUTOCON: |
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#ifdef CONFIG_ZORRO |
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if (zorro_num_autocon < ZORRO_NUM_AUTO) { |
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const struct ConfigDev *cd = data; |
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struct zorro_dev_init *dev = &zorro_autocon_init[zorro_num_autocon++]; |
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dev->rom = cd->cd_Rom; |
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dev->slotaddr = be16_to_cpu(cd->cd_SlotAddr); |
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dev->slotsize = be16_to_cpu(cd->cd_SlotSize); |
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dev->boardaddr = be32_to_cpu(cd->cd_BoardAddr); |
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dev->boardsize = be32_to_cpu(cd->cd_BoardSize); |
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} else |
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pr_warn("amiga_parse_bootinfo: too many AutoConfig devices\n"); |
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#endif /* CONFIG_ZORRO */ |
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break; |
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case BI_AMIGA_SERPER: |
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/* serial port period: ignored here */ |
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break; |
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default: |
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unknown = 1; |
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} |
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return unknown; |
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} |
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/* |
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* Identify builtin hardware |
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*/ |
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static void __init amiga_identify(void) |
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{ |
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/* Fill in some default values, if necessary */ |
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if (amiga_eclock == 0) |
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amiga_eclock = 709379; |
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memset(&amiga_hw_present, 0, sizeof(amiga_hw_present)); |
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pr_info("Amiga hardware found: "); |
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if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) { |
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pr_cont("[%s] ", amiga_models[amiga_model-AMI_500]); |
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strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]); |
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} |
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switch (amiga_model) { |
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case AMI_UNKNOWN: |
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break; |
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case AMI_600: |
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case AMI_1200: |
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AMIGAHW_SET(A1200_IDE); |
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AMIGAHW_SET(PCMCIA); |
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fallthrough; |
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case AMI_500: |
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case AMI_500PLUS: |
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case AMI_1000: |
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case AMI_2000: |
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case AMI_2500: |
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AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */ |
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break; |
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case AMI_3000: |
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case AMI_3000T: |
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AMIGAHW_SET(AMBER_FF); |
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AMIGAHW_SET(MAGIC_REKICK); |
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fallthrough; |
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case AMI_3000PLUS: |
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AMIGAHW_SET(A3000_SCSI); |
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AMIGAHW_SET(A3000_CLK); |
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AMIGAHW_SET(ZORRO3); |
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break; |
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case AMI_4000T: |
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AMIGAHW_SET(A4000_SCSI); |
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fallthrough; |
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case AMI_4000: |
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AMIGAHW_SET(A4000_IDE); |
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AMIGAHW_SET(A3000_CLK); |
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AMIGAHW_SET(ZORRO3); |
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break; |
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case AMI_CDTV: |
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case AMI_CD32: |
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AMIGAHW_SET(CD_ROM); |
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AMIGAHW_SET(A2000_CLK); /* Is this correct? */ |
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break; |
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case AMI_DRACO: |
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panic("No support for Draco yet"); |
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default: |
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panic("Unknown Amiga Model"); |
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} |
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AMIGAHW_SET(AMI_VIDEO); |
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AMIGAHW_SET(AMI_BLITTER); |
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AMIGAHW_SET(AMI_AUDIO); |
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AMIGAHW_SET(AMI_FLOPPY); |
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AMIGAHW_SET(AMI_KEYBOARD); |
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AMIGAHW_SET(AMI_MOUSE); |
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AMIGAHW_SET(AMI_SERIAL); |
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AMIGAHW_SET(AMI_PARALLEL); |
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AMIGAHW_SET(CHIP_RAM); |
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AMIGAHW_SET(PAULA); |
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switch (amiga_chipset) { |
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case CS_OCS: |
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case CS_ECS: |
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case CS_AGA: |
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switch (amiga_custom.deniseid & 0xf) { |
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case 0x0c: |
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AMIGAHW_SET(DENISE_HR); |
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break; |
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case 0x08: |
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AMIGAHW_SET(LISA); |
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break; |
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default: |
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AMIGAHW_SET(DENISE); |
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break; |
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} |
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break; |
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} |
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switch ((amiga_custom.vposr>>8) & 0x7f) { |
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case 0x00: |
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AMIGAHW_SET(AGNUS_PAL); |
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break; |
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case 0x10: |
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AMIGAHW_SET(AGNUS_NTSC); |
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break; |
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case 0x20: |
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case 0x21: |
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AMIGAHW_SET(AGNUS_HR_PAL); |
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break; |
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case 0x30: |
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case 0x31: |
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AMIGAHW_SET(AGNUS_HR_NTSC); |
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break; |
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case 0x22: |
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case 0x23: |
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AMIGAHW_SET(ALICE_PAL); |
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break; |
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case 0x32: |
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case 0x33: |
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AMIGAHW_SET(ALICE_NTSC); |
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break; |
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} |
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AMIGAHW_SET(ZORRO); |
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#define AMIGAHW_ANNOUNCE(name, str) \ |
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if (AMIGAHW_PRESENT(name)) \ |
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pr_cont(str) |
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AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO "); |
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AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER "); |
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AMIGAHW_ANNOUNCE(AMBER_FF, "AMBER_FF "); |
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AMIGAHW_ANNOUNCE(AMI_AUDIO, "AUDIO "); |
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AMIGAHW_ANNOUNCE(AMI_FLOPPY, "FLOPPY "); |
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AMIGAHW_ANNOUNCE(A3000_SCSI, "A3000_SCSI "); |
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AMIGAHW_ANNOUNCE(A4000_SCSI, "A4000_SCSI "); |
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AMIGAHW_ANNOUNCE(A1200_IDE, "A1200_IDE "); |
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AMIGAHW_ANNOUNCE(A4000_IDE, "A4000_IDE "); |
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AMIGAHW_ANNOUNCE(CD_ROM, "CD_ROM "); |
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AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "KEYBOARD "); |
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AMIGAHW_ANNOUNCE(AMI_MOUSE, "MOUSE "); |
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AMIGAHW_ANNOUNCE(AMI_SERIAL, "SERIAL "); |
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AMIGAHW_ANNOUNCE(AMI_PARALLEL, "PARALLEL "); |
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AMIGAHW_ANNOUNCE(A2000_CLK, "A2000_CLK "); |
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AMIGAHW_ANNOUNCE(A3000_CLK, "A3000_CLK "); |
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AMIGAHW_ANNOUNCE(CHIP_RAM, "CHIP_RAM "); |
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AMIGAHW_ANNOUNCE(PAULA, "PAULA "); |
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AMIGAHW_ANNOUNCE(DENISE, "DENISE "); |
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AMIGAHW_ANNOUNCE(DENISE_HR, "DENISE_HR "); |
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AMIGAHW_ANNOUNCE(LISA, "LISA "); |
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AMIGAHW_ANNOUNCE(AGNUS_PAL, "AGNUS_PAL "); |
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AMIGAHW_ANNOUNCE(AGNUS_NTSC, "AGNUS_NTSC "); |
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AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "AGNUS_HR_PAL "); |
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AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "AGNUS_HR_NTSC "); |
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AMIGAHW_ANNOUNCE(ALICE_PAL, "ALICE_PAL "); |
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AMIGAHW_ANNOUNCE(ALICE_NTSC, "ALICE_NTSC "); |
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AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK "); |
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AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA "); |
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if (AMIGAHW_PRESENT(ZORRO)) |
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pr_cont("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : ""); |
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pr_cont("\n"); |
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#undef AMIGAHW_ANNOUNCE |
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} |
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static unsigned long amiga_random_get_entropy(void) |
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{ |
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/* VPOSR/VHPOSR provide at least 17 bits of data changing at 1.79 MHz */ |
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return *(unsigned long *)&amiga_custom.vposr; |
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} |
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/* |
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* Setup the Amiga configuration info |
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*/ |
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void __init config_amiga(void) |
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{ |
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int i; |
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amiga_identify(); |
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/* Yuk, we don't have PCI memory */ |
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iomem_resource.name = "Memory"; |
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for (i = 0; i < 4; i++) |
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request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]); |
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mach_sched_init = amiga_sched_init; |
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mach_init_IRQ = amiga_init_IRQ; |
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mach_get_model = amiga_get_model; |
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mach_get_hardware_list = amiga_get_hardware_list; |
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mach_reset = amiga_reset; |
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#if IS_ENABLED(CONFIG_INPUT_M68K_BEEP) |
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mach_beep = amiga_mksound; |
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#endif |
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#ifdef CONFIG_HEARTBEAT |
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mach_heartbeat = amiga_heartbeat; |
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#endif |
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mach_random_get_entropy = amiga_random_get_entropy; |
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/* Fill in the clock value (based on the 700 kHz E-Clock) */ |
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amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */ |
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/* clear all DMA bits */ |
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amiga_custom.dmacon = DMAF_ALL; |
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/* ensure that the DMA master bit is set */ |
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amiga_custom.dmacon = DMAF_SETCLR | DMAF_MASTER; |
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/* don't use Z2 RAM as system memory on Z3 capable machines */ |
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if (AMIGAHW_PRESENT(ZORRO3)) { |
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int i, j; |
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u32 disabled_z2mem = 0; |
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for (i = 0; i < m68k_num_memory; i++) { |
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if (m68k_memory[i].addr < 16*1024*1024) { |
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if (i == 0) { |
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/* don't cut off the branch we're sitting on */ |
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pr_warn("Warning: kernel runs in Zorro II memory\n"); |
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continue; |
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} |
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disabled_z2mem += m68k_memory[i].size; |
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m68k_num_memory--; |
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for (j = i; j < m68k_num_memory; j++) |
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m68k_memory[j] = m68k_memory[j+1]; |
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i--; |
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} |
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} |
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if (disabled_z2mem) |
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pr_info("%dK of Zorro II memory will not be used as system memory\n", |
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disabled_z2mem>>10); |
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} |
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/* request all RAM */ |
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for (i = 0; i < m68k_num_memory; i++) { |
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ram_resource[i].name = |
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(m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" : |
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(m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" : |
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"16-bit Slow RAM"; |
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ram_resource[i].start = m68k_memory[i].addr; |
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ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1; |
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request_resource(&iomem_resource, &ram_resource[i]); |
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} |
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/* initialize chipram allocator */ |
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amiga_chip_init(); |
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/* our beloved beeper */ |
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if (AMIGAHW_PRESENT(AMI_AUDIO)) |
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amiga_init_sound(); |
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/* |
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* if it is an A3000, set the magic bit that forces |
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* a hard rekick |
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*/ |
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if (AMIGAHW_PRESENT(MAGIC_REKICK)) |
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*(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80; |
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} |
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static u64 amiga_read_clk(struct clocksource *cs); |
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static struct clocksource amiga_clk = { |
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.name = "ciab", |
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.rating = 250, |
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.read = amiga_read_clk, |
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.mask = CLOCKSOURCE_MASK(32), |
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.flags = CLOCK_SOURCE_IS_CONTINUOUS, |
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}; |
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static unsigned short jiffy_ticks; |
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static u32 clk_total, clk_offset; |
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static irqreturn_t ciab_timer_handler(int irq, void *dev_id) |
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{ |
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clk_total += jiffy_ticks; |
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clk_offset = 0; |
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legacy_timer_tick(1); |
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timer_heartbeat(); |
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return IRQ_HANDLED; |
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} |
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static void __init amiga_sched_init(void) |
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{ |
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static struct resource sched_res = { |
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.name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff, |
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}; |
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jiffy_ticks = DIV_ROUND_CLOSEST(amiga_eclock, HZ); |
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if (request_resource(&mb_resources._ciab, &sched_res)) |
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pr_warn("Cannot allocate ciab.ta{lo,hi}\n"); |
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ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */ |
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ciab.talo = jiffy_ticks % 256; |
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ciab.tahi = jiffy_ticks / 256; |
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|
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/* install interrupt service routine for CIAB Timer A |
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* |
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* Please don't change this to use ciaa, as it interferes with the |
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* SCSI code. We'll have to take a look at this later |
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*/ |
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if (request_irq(IRQ_AMIGA_CIAB_TA, ciab_timer_handler, IRQF_TIMER, |
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"timer", NULL)) |
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pr_err("Couldn't register timer interrupt\n"); |
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/* start timer */ |
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ciab.cra |= 0x11; |
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clocksource_register_hz(&amiga_clk, amiga_eclock); |
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} |
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static u64 amiga_read_clk(struct clocksource *cs) |
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{ |
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unsigned short hi, lo, hi2; |
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unsigned long flags; |
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u32 ticks; |
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local_irq_save(flags); |
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/* read CIA B timer A current value */ |
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hi = ciab.tahi; |
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lo = ciab.talo; |
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hi2 = ciab.tahi; |
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if (hi != hi2) { |
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lo = ciab.talo; |
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hi = hi2; |
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} |
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ticks = hi << 8 | lo; |
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if (ticks > jiffy_ticks / 2) |
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/* check for pending interrupt */ |
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if (cia_set_irq(&ciab_base, 0) & CIA_ICR_TA) |
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clk_offset = jiffy_ticks; |
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ticks = jiffy_ticks - ticks; |
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ticks += clk_offset + clk_total; |
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local_irq_restore(flags); |
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|
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return ticks; |
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} |
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|
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static void amiga_reset(void) __noreturn; |
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|
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static void amiga_reset(void) |
|
{ |
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unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040); |
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unsigned long jmp_addr = virt_to_phys(&&jmp_addr_label); |
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|
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local_irq_disable(); |
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if (CPU_IS_040_OR_060) |
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/* Setup transparent translation registers for mapping |
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* of 16 MB kernel segment before disabling translation |
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*/ |
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asm volatile ("\n" |
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" move.l %0,%%d0\n" |
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" and.l #0xff000000,%%d0\n" |
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" or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */ |
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" .chip 68040\n" |
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" movec %%d0,%%itt0\n" |
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" movec %%d0,%%dtt0\n" |
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" .chip 68k\n" |
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" jmp %0@\n" |
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: /* no outputs */ |
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: "a" (jmp_addr040) |
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: "d0"); |
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else |
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/* for 680[23]0, just disable translation and jump to the physical |
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* address of the label |
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*/ |
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asm volatile ("\n" |
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" pmove %%tc,%@\n" |
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" bclr #7,%@\n" |
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" pmove %@,%%tc\n" |
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" jmp %0@\n" |
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: /* no outputs */ |
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: "a" (jmp_addr)); |
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jmp_addr_label040: |
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/* disable translation on '040 now */ |
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asm volatile ("\n" |
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" moveq #0,%%d0\n" |
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" .chip 68040\n" |
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" movec %%d0,%%tc\n" /* disable MMU */ |
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" .chip 68k\n" |
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: /* no outputs */ |
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: /* no inputs */ |
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: "d0"); |
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|
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jmp_addr_label: |
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/* pickup reset address from AmigaOS ROM, reset devices and jump |
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* to reset address |
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*/ |
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asm volatile ("\n" |
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" move.w #0x2700,%sr\n" |
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" lea 0x01000000,%a0\n" |
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" sub.l %a0@(-0x14),%a0\n" |
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" move.l %a0@(4),%a0\n" |
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" subq.l #2,%a0\n" |
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" jra 1f\n" |
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/* align on a longword boundary */ |
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" " __ALIGN_STR "\n" |
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"1:\n" |
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" reset\n" |
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" jmp %a0@"); |
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|
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for (;;) |
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; |
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} |
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|
|
|
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/* |
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* Debugging |
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*/ |
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|
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#define SAVEKMSG_MAXMEM 128*1024 |
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|
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#define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */ |
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#define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */ |
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|
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struct savekmsg { |
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unsigned long magic1; /* SAVEKMSG_MAGIC1 */ |
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unsigned long magic2; /* SAVEKMSG_MAGIC2 */ |
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unsigned long magicptr; /* address of magic1 */ |
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unsigned long size; |
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char data[]; |
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}; |
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|
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static struct savekmsg *savekmsg; |
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|
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static void amiga_mem_console_write(struct console *co, const char *s, |
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unsigned int count) |
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{ |
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if (savekmsg->size + count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) { |
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memcpy(savekmsg->data + savekmsg->size, s, count); |
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savekmsg->size += count; |
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} |
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} |
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|
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static int __init amiga_savekmsg_setup(char *arg) |
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{ |
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bool registered; |
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|
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if (!MACH_IS_AMIGA || strcmp(arg, "mem")) |
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return 0; |
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|
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if (amiga_chip_size < SAVEKMSG_MAXMEM) { |
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pr_err("Not enough chipram for debugging\n"); |
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return -ENOMEM; |
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} |
|
|
|
/* Just steal the block, the chipram allocator isn't functional yet */ |
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amiga_chip_size -= SAVEKMSG_MAXMEM; |
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savekmsg = ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size); |
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savekmsg->magic1 = SAVEKMSG_MAGIC1; |
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savekmsg->magic2 = SAVEKMSG_MAGIC2; |
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savekmsg->magicptr = ZTWO_PADDR(savekmsg); |
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savekmsg->size = 0; |
|
|
|
registered = !!amiga_console_driver.write; |
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amiga_console_driver.write = amiga_mem_console_write; |
|
if (!registered) |
|
register_console(&amiga_console_driver); |
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return 0; |
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} |
|
|
|
early_param("debug", amiga_savekmsg_setup); |
|
|
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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)); |
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} |
|
|
|
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
|
|
|