/* * the main entry */ static int __init tc_init(void) { int tc_clock; int i; unsigned long slot0addr; unsigned long slot_size; if (!TURBOCHANNEL) return 0; for (i = 0; i < MAX_SLOT; i++) { tc_bus[i].base_addr = 0; tc_bus[i].name[0] = 0; tc_bus[i].vendor[0] = 0; tc_bus[i].firmware[0] = 0; tc_bus[i].interrupt = -1; tc_bus[i].flags = FREE; } info = rex_gettcinfo(); slot0addr = CPHYSADDR((long)rex_slot_address(0)); switch (mips_machtype) { case MACH_DS5000_200: num_tcslots = 7; break; case MACH_DS5000_1XX: case MACH_DS5000_2X0: case MACH_DS5900: num_tcslots = 3; break; case MACH_DS5000_XX: default: num_tcslots = 2; break; } tc_clock = 10000 / info->clk_period; if (info->slot_size && slot0addr) { pr_info("TURBOchannel rev. %d at %d.%d MHz (with%s parity)\n", info->revision, tc_clock / 10, tc_clock % 10, info->parity ? "" : "out"); slot_size = info->slot_size << 20; tc_probe(slot0addr, slot_size, num_tcslots); for (i = 0; i < num_tcslots; i++) { if (!tc_bus[i].base_addr) continue; pr_info(" slot %d: %s %s %s\n", i, tc_bus[i].vendor, tc_bus[i].name, tc_bus[i].firmware); } } return 0; }
fb_probe( /* reg, ui */) { static probed_once = 0; /* * Probing was really done sweeping the TC long ago */ if (tc_probe("fb") == 0) return 0; if (probed_once++ > 1) printf("[mappable] "); return 1; }
sfb_probe( vm_offset_t addr, struct bus_device *device) { static probed_once = 0; /* * Probing was really done sweeping the TC long ago */ if (tc_probe("sfb") == 0) return 0; if (probed_once++ > 1) { printf("[mappable] "); device->address = addr; } return 1; }
/* * the main entry */ void __init tc_init(void) { int tc_clock; int i; unsigned long slot0addr; unsigned long slot_size; if (!TURBOCHANNEL) return; for (i = 0; i < MAX_SLOT; i++) { tc_bus[i].base_addr = 0; tc_bus[i].name[0] = 0; tc_bus[i].vendor[0] = 0; tc_bus[i].firmware[0] = 0; tc_bus[i].interrupt = -1; tc_bus[i].flags = FREE; } info = (tcinfo *) rex_gettcinfo(); slot0addr = (unsigned long)KSEG1ADDR(rex_slot_address(0)); switch (mips_machtype) { case MACH_DS5000_200: num_tcslots = 7; break; case MACH_DS5000_1XX: case MACH_DS5000_2X0: case MACH_DS5900: num_tcslots = 3; break; case MACH_DS5000_XX: default: num_tcslots = 2; break; } tc_clock = 10000 / info->clk_period; if (TURBOCHANNEL && info->slot_size && slot0addr) { printk("TURBOchannel rev. %1d at %2d.%1d MHz ", info->revision, tc_clock / 10, tc_clock % 10); printk("(with%s parity)\n", info->parity ? "" : "out"); slot_size = info->slot_size << 20; tc_probe(slot0addr, slot_size, num_tcslots); /* * All TURBOchannel DECstations have the onboard devices * where the (num_tcslots + 0 or 1 on DS5k/xx) Option Module * would be. */ if(mips_machtype == MACH_DS5000_XX) i = 1; else i = 0; system_base = slot0addr + slot_size * (num_tcslots + i); #ifdef TC_DEBUG for (i = 0; i < num_tcslots; i++) if (tc_bus[i].base_addr) { printk(" slot %d: ", i); printk("%s %s %s\n", tc_bus[i].vendor, tc_bus[i].name, tc_bus[i].firmware); } #endif ioport_resource.end = KSEG2 - 1; } }
sfb_cold_init( int unit, user_info_t *up) { sfb_softc_t *sfb; screen_softc_t sc = screen(unit); vm_offset_t base = tc_probe("sfb"); int hor_p, ver_p; boolean_t makes_sense; bcopy(&sfb_sw, &sc->sw, sizeof(sc->sw)); sc->flags |= COLOR_SCREEN; /* * I am confused here by the documentation. One document * sez there are three boards: * "PMAGB-BA" can do 1280x1024 @66Hz or @72Hz * "PMAGB-BC" can do 1024x864 @60Hz or 1280x1024 @72Hz * "PMAGB-BE" can do 1024x768 @72Hz or 1280x1024 @72Hz * Another document sez things differently: * "PMAGB-BB" can do 1024x768 @72Hz * "PMAGB-BD" can do 1024x864 @60Hz or 1280x1024 @72Hz * * I would be inclined to believe the first one, which came * with an actual piece of hardware attached (a PMAGB-BA). * But I could swear I got a first board (which blew up * instantly) and it was calling itself PMAGB-BB... * * Since I have not seen any other hardware I will make * this code as hypothetical as I can. Should work :-)) */ makes_sense = FALSE; { sfb_regs *regs; regs = (sfb_regs *) ((char *)base + SFB_OFFSET_REGS); hor_p = (regs->vhor_setup & 0x1ff) * 4; ver_p = regs->vvert_setup & 0x7ff; if (((hor_p == 1280) && (ver_p == 1024)) || ((hor_p == 1024) && (ver_p == 864)) || ((hor_p == 1024) && (ver_p == 768))) makes_sense = TRUE; } if (makes_sense) { sc->frame_scanline_width = hor_p; sc->frame_height = ver_p; sc->frame_visible_width = hor_p; sc->frame_visible_height = ver_p; } else { sc->frame_scanline_width = 1280; sc->frame_height = 1024; sc->frame_visible_width = 1280; sc->frame_visible_height = 1024; } pm_init_screen_params(sc,up); (void) screen_up(unit, up); sfb = pm_alloc( unit, sparsify(base + SFB_OFFSET_BT459), base + SFB_OFFSET_VRAM, -1); screen_default_colors(up); sfb_soft_reset(sc); /* * Clearing the screen at boot saves from scrolling * much, and speeds up booting quite a bit. */ screen_blitc( unit, 'C'-'@');/* clear screen */ }