^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * linux/arch/m68k/amiga/config.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 1993 Hamish Macdonald
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * This file is subject to the terms and conditions of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * License. See the file COPYING in the main directory of this archive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Miscellaneous Amiga stuff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/tty.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/clocksource.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/console.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/rtc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/vt_kern.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/zorro.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/keyboard.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <asm/bootinfo.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <asm/bootinfo-amiga.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <asm/byteorder.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <asm/setup.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <asm/amigahw.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <asm/amigaints.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include <asm/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include <asm/machdep.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static unsigned long amiga_model;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) unsigned long amiga_eclock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) EXPORT_SYMBOL(amiga_eclock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) unsigned long amiga_colorclock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) EXPORT_SYMBOL(amiga_colorclock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) unsigned long amiga_chipset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) EXPORT_SYMBOL(amiga_chipset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) unsigned char amiga_vblank;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) EXPORT_SYMBOL(amiga_vblank);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static unsigned char amiga_psfreq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct amiga_hw_present amiga_hw_present;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) EXPORT_SYMBOL(amiga_hw_present);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static char s_a500[] __initdata = "A500";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) static char s_a500p[] __initdata = "A500+";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static char s_a600[] __initdata = "A600";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static char s_a1000[] __initdata = "A1000";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static char s_a1200[] __initdata = "A1200";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static char s_a2000[] __initdata = "A2000";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static char s_a2500[] __initdata = "A2500";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static char s_a3000[] __initdata = "A3000";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static char s_a3000t[] __initdata = "A3000T";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) static char s_a3000p[] __initdata = "A3000+";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) static char s_a4000[] __initdata = "A4000";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) static char s_a4000t[] __initdata = "A4000T";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) static char s_cdtv[] __initdata = "CDTV";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static char s_cd32[] __initdata = "CD32";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static char s_draco[] __initdata = "Draco";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static char *amiga_models[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) [AMI_500-AMI_500] = s_a500,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) [AMI_500PLUS-AMI_500] = s_a500p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) [AMI_600-AMI_500] = s_a600,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) [AMI_1000-AMI_500] = s_a1000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) [AMI_1200-AMI_500] = s_a1200,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) [AMI_2000-AMI_500] = s_a2000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) [AMI_2500-AMI_500] = s_a2500,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) [AMI_3000-AMI_500] = s_a3000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) [AMI_3000T-AMI_500] = s_a3000t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) [AMI_3000PLUS-AMI_500] = s_a3000p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) [AMI_4000-AMI_500] = s_a4000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) [AMI_4000T-AMI_500] = s_a4000t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) [AMI_CDTV-AMI_500] = s_cdtv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) [AMI_CD32-AMI_500] = s_cd32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) [AMI_DRACO-AMI_500] = s_draco,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static char amiga_model_name[13] = "Amiga ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) static void amiga_sched_init(irq_handler_t handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) static void amiga_get_model(char *model);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) static void amiga_get_hardware_list(struct seq_file *m);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) extern void amiga_mksound(unsigned int count, unsigned int ticks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) static void amiga_reset(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) extern void amiga_init_sound(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) static void amiga_mem_console_write(struct console *co, const char *b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) unsigned int count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #ifdef CONFIG_HEARTBEAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static void amiga_heartbeat(int on);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static struct console amiga_console_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .name = "debug",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .flags = CON_PRINTBUFFER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .index = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) * Motherboard Resources present in all Amiga models
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) static struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct resource _ciab, _ciaa, _custom, _kickstart;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) } mb_resources = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) ._ciab = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) .name = "CIA B", .start = 0x00bfd000, .end = 0x00bfdfff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) ._ciaa = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .name = "CIA A", .start = 0x00bfe000, .end = 0x00bfefff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) ._custom = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) .name = "Custom I/O", .start = 0x00dff000, .end = 0x00dfffff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) ._kickstart = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) .name = "Kickstart ROM", .start = 0x00f80000, .end = 0x00ffffff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static struct resource ram_resource[NUM_MEMINFO];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * Parse an Amiga-specific record in the bootinfo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) int __init amiga_parse_bootinfo(const struct bi_record *record)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) int unknown = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) const void *data = record->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) switch (be16_to_cpu(record->tag)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) case BI_AMIGA_MODEL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) amiga_model = be32_to_cpup(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) case BI_AMIGA_ECLOCK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) amiga_eclock = be32_to_cpup(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) case BI_AMIGA_CHIPSET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) amiga_chipset = be32_to_cpup(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) case BI_AMIGA_CHIP_SIZE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) amiga_chip_size = be32_to_cpup(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) case BI_AMIGA_VBLANK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) amiga_vblank = *(const __u8 *)data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) case BI_AMIGA_PSFREQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) amiga_psfreq = *(const __u8 *)data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) case BI_AMIGA_AUTOCON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) #ifdef CONFIG_ZORRO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) if (zorro_num_autocon < ZORRO_NUM_AUTO) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) const struct ConfigDev *cd = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct zorro_dev_init *dev = &zorro_autocon_init[zorro_num_autocon++];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) dev->rom = cd->cd_Rom;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) dev->slotaddr = be16_to_cpu(cd->cd_SlotAddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) dev->slotsize = be16_to_cpu(cd->cd_SlotSize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) dev->boardaddr = be32_to_cpu(cd->cd_BoardAddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) dev->boardsize = be32_to_cpu(cd->cd_BoardSize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) pr_warn("amiga_parse_bootinfo: too many AutoConfig devices\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) #endif /* CONFIG_ZORRO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) case BI_AMIGA_SERPER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) /* serial port period: ignored here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) unknown = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return unknown;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) * Identify builtin hardware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) static void __init amiga_identify(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) /* Fill in some default values, if necessary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) if (amiga_eclock == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) amiga_eclock = 709379;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) memset(&amiga_hw_present, 0, sizeof(amiga_hw_present));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) pr_info("Amiga hardware found: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) pr_cont("[%s] ", amiga_models[amiga_model-AMI_500]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) switch (amiga_model) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) case AMI_UNKNOWN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) case AMI_600:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) case AMI_1200:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) AMIGAHW_SET(A1200_IDE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) AMIGAHW_SET(PCMCIA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) case AMI_500:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) case AMI_500PLUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) case AMI_1000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) case AMI_2000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) case AMI_2500:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) case AMI_3000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) case AMI_3000T:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) AMIGAHW_SET(AMBER_FF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) AMIGAHW_SET(MAGIC_REKICK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) case AMI_3000PLUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) AMIGAHW_SET(A3000_SCSI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) AMIGAHW_SET(A3000_CLK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) AMIGAHW_SET(ZORRO3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) case AMI_4000T:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) AMIGAHW_SET(A4000_SCSI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) case AMI_4000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) AMIGAHW_SET(A4000_IDE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) AMIGAHW_SET(A3000_CLK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) AMIGAHW_SET(ZORRO3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) case AMI_CDTV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) case AMI_CD32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) AMIGAHW_SET(CD_ROM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) AMIGAHW_SET(A2000_CLK); /* Is this correct? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) case AMI_DRACO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) panic("No support for Draco yet");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) panic("Unknown Amiga Model");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) AMIGAHW_SET(AMI_VIDEO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) AMIGAHW_SET(AMI_BLITTER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) AMIGAHW_SET(AMI_AUDIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) AMIGAHW_SET(AMI_FLOPPY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) AMIGAHW_SET(AMI_KEYBOARD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) AMIGAHW_SET(AMI_MOUSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) AMIGAHW_SET(AMI_SERIAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) AMIGAHW_SET(AMI_PARALLEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) AMIGAHW_SET(CHIP_RAM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) AMIGAHW_SET(PAULA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) switch (amiga_chipset) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) case CS_OCS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) case CS_ECS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) case CS_AGA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) switch (amiga_custom.deniseid & 0xf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) case 0x0c:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) AMIGAHW_SET(DENISE_HR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) case 0x08:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) AMIGAHW_SET(LISA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) AMIGAHW_SET(DENISE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) switch ((amiga_custom.vposr>>8) & 0x7f) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) case 0x00:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) AMIGAHW_SET(AGNUS_PAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) case 0x10:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) AMIGAHW_SET(AGNUS_NTSC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) case 0x20:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) case 0x21:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) AMIGAHW_SET(AGNUS_HR_PAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) case 0x30:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) case 0x31:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) AMIGAHW_SET(AGNUS_HR_NTSC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) case 0x22:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) case 0x23:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) AMIGAHW_SET(ALICE_PAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) case 0x32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) case 0x33:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) AMIGAHW_SET(ALICE_NTSC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) AMIGAHW_SET(ZORRO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) #define AMIGAHW_ANNOUNCE(name, str) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) if (AMIGAHW_PRESENT(name)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) pr_cont(str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) AMIGAHW_ANNOUNCE(AMBER_FF, "AMBER_FF ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) AMIGAHW_ANNOUNCE(AMI_AUDIO, "AUDIO ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) AMIGAHW_ANNOUNCE(AMI_FLOPPY, "FLOPPY ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) AMIGAHW_ANNOUNCE(A3000_SCSI, "A3000_SCSI ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) AMIGAHW_ANNOUNCE(A4000_SCSI, "A4000_SCSI ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) AMIGAHW_ANNOUNCE(A1200_IDE, "A1200_IDE ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) AMIGAHW_ANNOUNCE(A4000_IDE, "A4000_IDE ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) AMIGAHW_ANNOUNCE(CD_ROM, "CD_ROM ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "KEYBOARD ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) AMIGAHW_ANNOUNCE(AMI_MOUSE, "MOUSE ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) AMIGAHW_ANNOUNCE(AMI_SERIAL, "SERIAL ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) AMIGAHW_ANNOUNCE(AMI_PARALLEL, "PARALLEL ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) AMIGAHW_ANNOUNCE(A2000_CLK, "A2000_CLK ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) AMIGAHW_ANNOUNCE(A3000_CLK, "A3000_CLK ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) AMIGAHW_ANNOUNCE(CHIP_RAM, "CHIP_RAM ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) AMIGAHW_ANNOUNCE(PAULA, "PAULA ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) AMIGAHW_ANNOUNCE(DENISE, "DENISE ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) AMIGAHW_ANNOUNCE(DENISE_HR, "DENISE_HR ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) AMIGAHW_ANNOUNCE(LISA, "LISA ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) AMIGAHW_ANNOUNCE(AGNUS_PAL, "AGNUS_PAL ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) AMIGAHW_ANNOUNCE(AGNUS_NTSC, "AGNUS_NTSC ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "AGNUS_HR_PAL ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "AGNUS_HR_NTSC ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) AMIGAHW_ANNOUNCE(ALICE_PAL, "ALICE_PAL ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) AMIGAHW_ANNOUNCE(ALICE_NTSC, "ALICE_NTSC ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) if (AMIGAHW_PRESENT(ZORRO))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) pr_cont("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) pr_cont("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) #undef AMIGAHW_ANNOUNCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) static unsigned long amiga_random_get_entropy(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) /* VPOSR/VHPOSR provide at least 17 bits of data changing at 1.79 MHz */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) return *(unsigned long *)&amiga_custom.vposr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) * Setup the Amiga configuration info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) void __init config_amiga(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) amiga_identify();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) /* Yuk, we don't have PCI memory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) iomem_resource.name = "Memory";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) for (i = 0; i < 4; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) mach_sched_init = amiga_sched_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) mach_init_IRQ = amiga_init_IRQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) mach_get_model = amiga_get_model;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) mach_get_hardware_list = amiga_get_hardware_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) * default MAX_DMA=0xffffffff on all machines. If we don't do so, the SCSI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) * code will not be able to allocate any mem for transfers, unless we are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) * dealing with a Z2 mem only system. /Jes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) mach_max_dma_address = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) mach_reset = amiga_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) #if IS_ENABLED(CONFIG_INPUT_M68K_BEEP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) mach_beep = amiga_mksound;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) #ifdef CONFIG_HEARTBEAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) mach_heartbeat = amiga_heartbeat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) mach_random_get_entropy = amiga_random_get_entropy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) /* Fill in the clock value (based on the 700 kHz E-Clock) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) /* clear all DMA bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) amiga_custom.dmacon = DMAF_ALL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) /* ensure that the DMA master bit is set */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) amiga_custom.dmacon = DMAF_SETCLR | DMAF_MASTER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) /* don't use Z2 RAM as system memory on Z3 capable machines */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) if (AMIGAHW_PRESENT(ZORRO3)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) u32 disabled_z2mem = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) for (i = 0; i < m68k_num_memory; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) if (m68k_memory[i].addr < 16*1024*1024) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) if (i == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) /* don't cut off the branch we're sitting on */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) pr_warn("Warning: kernel runs in Zorro II memory\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) disabled_z2mem += m68k_memory[i].size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) m68k_num_memory--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) for (j = i; j < m68k_num_memory; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) m68k_memory[j] = m68k_memory[j+1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) i--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) if (disabled_z2mem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) pr_info("%dK of Zorro II memory will not be used as system memory\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) disabled_z2mem>>10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) /* request all RAM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) for (i = 0; i < m68k_num_memory; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) ram_resource[i].name =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) (m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) (m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) "16-bit Slow RAM";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) ram_resource[i].start = m68k_memory[i].addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) request_resource(&iomem_resource, &ram_resource[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) /* initialize chipram allocator */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) amiga_chip_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) /* our beloved beeper */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) if (AMIGAHW_PRESENT(AMI_AUDIO))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) amiga_init_sound();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) * if it is an A3000, set the magic bit that forces
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) * a hard rekick
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) if (AMIGAHW_PRESENT(MAGIC_REKICK))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) static u64 amiga_read_clk(struct clocksource *cs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) static struct clocksource amiga_clk = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) .name = "ciab",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) .rating = 250,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) .read = amiga_read_clk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) .mask = CLOCKSOURCE_MASK(32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) .flags = CLOCK_SOURCE_IS_CONTINUOUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) static unsigned short jiffy_ticks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) static u32 clk_total, clk_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) static irqreturn_t ciab_timer_handler(int irq, void *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) irq_handler_t timer_routine = dev_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) clk_total += jiffy_ticks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) clk_offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) timer_routine(0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) static void __init amiga_sched_init(irq_handler_t timer_routine)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) static struct resource sched_res = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) .name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) jiffy_ticks = DIV_ROUND_CLOSEST(amiga_eclock, HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) if (request_resource(&mb_resources._ciab, &sched_res))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) pr_warn("Cannot allocate ciab.ta{lo,hi}\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) ciab.talo = jiffy_ticks % 256;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) ciab.tahi = jiffy_ticks / 256;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) /* install interrupt service routine for CIAB Timer A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) * Please don't change this to use ciaa, as it interferes with the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) * SCSI code. We'll have to take a look at this later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) if (request_irq(IRQ_AMIGA_CIAB_TA, ciab_timer_handler, IRQF_TIMER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) "timer", timer_routine))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) pr_err("Couldn't register timer interrupt\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) /* start timer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) ciab.cra |= 0x11;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) clocksource_register_hz(&amiga_clk, amiga_eclock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) static u64 amiga_read_clk(struct clocksource *cs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) unsigned short hi, lo, hi2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) u32 ticks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) local_irq_save(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) /* read CIA B timer A current value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) hi = ciab.tahi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) lo = ciab.talo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) hi2 = ciab.tahi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) if (hi != hi2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) lo = ciab.talo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) hi = hi2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) ticks = hi << 8 | lo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) if (ticks > jiffy_ticks / 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) /* check for pending interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) if (cia_set_irq(&ciab_base, 0) & CIA_ICR_TA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) clk_offset = jiffy_ticks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) ticks = jiffy_ticks - ticks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) ticks += clk_offset + clk_total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) local_irq_restore(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) return ticks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) static void amiga_reset(void) __noreturn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) static void amiga_reset(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) unsigned long jmp_addr = virt_to_phys(&&jmp_addr_label);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) local_irq_disable();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) if (CPU_IS_040_OR_060)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) /* Setup transparent translation registers for mapping
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) * of 16 MB kernel segment before disabling translation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) asm volatile ("\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) " move.l %0,%%d0\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) " and.l #0xff000000,%%d0\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) " or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) " .chip 68040\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) " movec %%d0,%%itt0\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) " movec %%d0,%%dtt0\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) " .chip 68k\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) " jmp %0@\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) : /* no outputs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) : "a" (jmp_addr040)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) : "d0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) /* for 680[23]0, just disable translation and jump to the physical
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) * address of the label
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) asm volatile ("\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) " pmove %%tc,%@\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) " bclr #7,%@\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) " pmove %@,%%tc\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) " jmp %0@\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) : /* no outputs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) : "a" (jmp_addr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) jmp_addr_label040:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) /* disable translation on '040 now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) asm volatile ("\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) " moveq #0,%%d0\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) " .chip 68040\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) " movec %%d0,%%tc\n" /* disable MMU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) " .chip 68k\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) : /* no outputs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) : /* no inputs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) : "d0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) jmp_addr_label:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) /* pickup reset address from AmigaOS ROM, reset devices and jump
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) * to reset address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) asm volatile ("\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) " move.w #0x2700,%sr\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) " lea 0x01000000,%a0\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) " sub.l %a0@(-0x14),%a0\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) " move.l %a0@(4),%a0\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) " subq.l #2,%a0\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) " jra 1f\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) /* align on a longword boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) " " __ALIGN_STR "\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) "1:\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) " reset\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) " jmp %a0@");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) for (;;)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) * Debugging
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) #define SAVEKMSG_MAXMEM 128*1024
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) #define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) #define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) struct savekmsg {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) unsigned long magic1; /* SAVEKMSG_MAGIC1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) unsigned long magic2; /* SAVEKMSG_MAGIC2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) unsigned long magicptr; /* address of magic1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) unsigned long size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) char data[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) static struct savekmsg *savekmsg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) static void amiga_mem_console_write(struct console *co, const char *s,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) unsigned int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) if (savekmsg->size + count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) memcpy(savekmsg->data + savekmsg->size, s, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) savekmsg->size += count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) static int __init amiga_savekmsg_setup(char *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) bool registered;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) if (!MACH_IS_AMIGA || strcmp(arg, "mem"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) if (amiga_chip_size < SAVEKMSG_MAXMEM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) pr_err("Not enough chipram for debugging\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) /* Just steal the block, the chipram allocator isn't functional yet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) amiga_chip_size -= SAVEKMSG_MAXMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) savekmsg = ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) savekmsg->magic1 = SAVEKMSG_MAGIC1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) savekmsg->magic2 = SAVEKMSG_MAGIC2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) savekmsg->magicptr = ZTWO_PADDR(savekmsg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) savekmsg->size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) registered = !!amiga_console_driver.write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) amiga_console_driver.write = amiga_mem_console_write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) if (!registered)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) register_console(&amiga_console_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) early_param("debug", amiga_savekmsg_setup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) static void amiga_serial_putc(char c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) amiga_custom.serdat = (unsigned char)c | 0x100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) while (!(amiga_custom.serdatr & 0x2000))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) static void amiga_serial_console_write(struct console *co, const char *s,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) unsigned int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) while (count--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) if (*s == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) amiga_serial_putc('\r');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) amiga_serial_putc(*s++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) void amiga_serial_puts(const char *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) amiga_serial_console_write(NULL, s, strlen(s));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) int amiga_serial_console_wait_key(struct console *co)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) int ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) while (!(amiga_custom.intreqr & IF_RBF))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) barrier();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) ch = amiga_custom.serdatr & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) /* clear the interrupt, so that another character can be read */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) amiga_custom.intreq = IF_RBF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) return ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) void amiga_serial_gets(struct console *co, char *s, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) int ch, cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) while (1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) ch = amiga_serial_console_wait_key(co);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) /* Check for backspace. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) if (ch == 8 || ch == 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) if (cnt == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) amiga_serial_putc('\007');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) cnt--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) amiga_serial_puts("\010 \010");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) /* Check for enter. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) if (ch == 10 || ch == 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) /* See if line is too long. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) if (cnt >= len + 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) amiga_serial_putc(7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) cnt--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) /* Store and echo character. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) s[cnt++] = ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) amiga_serial_putc(ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) /* Print enter. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) amiga_serial_puts("\r\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) s[cnt] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) static int __init amiga_debug_setup(char *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) bool registered;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) if (!MACH_IS_AMIGA || strcmp(arg, "ser"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) /* no initialization required (?) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) registered = !!amiga_console_driver.write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) amiga_console_driver.write = amiga_serial_console_write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) if (!registered)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) register_console(&amiga_console_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) early_param("debug", amiga_debug_setup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) #ifdef CONFIG_HEARTBEAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) static void amiga_heartbeat(int on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) if (on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) ciaa.pra &= ~2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) ciaa.pra |= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) * Amiga specific parts of /proc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) static void amiga_get_model(char *model)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) strcpy(model, amiga_model_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) static void amiga_get_hardware_list(struct seq_file *m)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) if (AMIGAHW_PRESENT(CHIP_RAM))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) seq_printf(m, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) seq_printf(m, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) amiga_psfreq, amiga_eclock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) if (AMIGAHW_PRESENT(AMI_VIDEO)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) char *type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) switch (amiga_chipset) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) case CS_OCS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) type = "OCS";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) case CS_ECS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) type = "ECS";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) case CS_AGA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) type = "AGA";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) type = "Old or Unknown";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) seq_printf(m, "Graphics:\t%s\n", type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) #define AMIGAHW_ANNOUNCE(name, str) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) if (AMIGAHW_PRESENT(name)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) seq_printf (m, "\t%s\n", str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) seq_puts(m, "Detected hardware:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) AMIGAHW_ANNOUNCE(AMBER_FF, "Amber Flicker Fixer");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) AMIGAHW_ANNOUNCE(AMI_AUDIO, "Amiga Audio");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) AMIGAHW_ANNOUNCE(AMI_FLOPPY, "Floppy Controller");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) AMIGAHW_ANNOUNCE(A3000_SCSI, "SCSI Controller WD33C93 (A3000 style)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) AMIGAHW_ANNOUNCE(A4000_SCSI, "SCSI Controller NCR53C710 (A4000T style)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) AMIGAHW_ANNOUNCE(A1200_IDE, "IDE Interface (A1200 style)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) AMIGAHW_ANNOUNCE(A4000_IDE, "IDE Interface (A4000 style)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) AMIGAHW_ANNOUNCE(CD_ROM, "Internal CD ROM drive");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "Keyboard");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) AMIGAHW_ANNOUNCE(AMI_MOUSE, "Mouse Port");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) AMIGAHW_ANNOUNCE(AMI_SERIAL, "Serial Port");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) AMIGAHW_ANNOUNCE(AMI_PARALLEL, "Parallel Port");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) AMIGAHW_ANNOUNCE(A2000_CLK, "Hardware Clock (A2000 style)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) AMIGAHW_ANNOUNCE(A3000_CLK, "Hardware Clock (A3000 style)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) AMIGAHW_ANNOUNCE(CHIP_RAM, "Chip RAM");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) AMIGAHW_ANNOUNCE(PAULA, "Paula 8364");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) AMIGAHW_ANNOUNCE(DENISE, "Denise 8362");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) AMIGAHW_ANNOUNCE(DENISE_HR, "Denise 8373");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) AMIGAHW_ANNOUNCE(LISA, "Lisa 8375");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) AMIGAHW_ANNOUNCE(AGNUS_PAL, "Normal/Fat PAL Agnus 8367/8371");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) AMIGAHW_ANNOUNCE(AGNUS_NTSC, "Normal/Fat NTSC Agnus 8361/8370");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "Fat Hires PAL Agnus 8372");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "Fat Hires NTSC Agnus 8372");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) AMIGAHW_ANNOUNCE(ALICE_PAL, "PAL Alice 8374");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) AMIGAHW_ANNOUNCE(ALICE_NTSC, "NTSC Alice 8374");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) AMIGAHW_ANNOUNCE(MAGIC_REKICK, "Magic Hard Rekick");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) #ifdef CONFIG_ZORRO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) if (AMIGAHW_PRESENT(ZORRO))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) seq_printf(m, "\tZorro II%s AutoConfig: %d Expansion "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) "Device%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) AMIGAHW_PRESENT(ZORRO3) ? "I" : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) #endif /* CONFIG_ZORRO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) #undef AMIGAHW_ANNOUNCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) * The Amiga keyboard driver needs key_maps, but we cannot export it in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) * drivers/char/defkeymap.c, as it is autogenerated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) #ifdef CONFIG_HW_CONSOLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) EXPORT_SYMBOL_GPL(key_maps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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