/* $NetBSD: p_dti_arcstation.c,v 1.20 2020/11/18 02:14:13 thorpej Exp $ */ /* $OpenBSD: machdep.c,v 1.36 1999/05/22 21:22:19 weingart Exp $ */ /* * Copyright (c) 1988 University of Utah. * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department, The Mach Operating System project at * Carnegie-Mellon University and Ralph Campbell. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)machdep.c 8.3 (Berkeley) 1/12/94 */ #include __KERNEL_RCSID(0, "$NetBSD: p_dti_arcstation.c,v 1.20 2020/11/18 02:14:13 thorpej Exp $"); #define __INTR_PRIVATE #include #include #include #include #include #include #include #include #include #include #include #include #include #include void arc_sysreset(bus_addr_t, bus_size_t); #include "pc.h" #if NPC_ISA > 0 || NOPMS_ISA > 0 #include #include #endif #include "btl.h" #if NBTL > 0 #include #endif const char *p_dti_arcstation_mainbusdevs[] = { "arcsisabr", NULL, }; void p_dti_arcstation_init(void); void p_dti_arcstation_cons_init(void); void p_dti_arcstation_reset(void); struct platform platform_desktech_arcstation_i = { "DESKTECH-ARCStation I", NULL, /* unknown, probably "DESKTECH"? */ "", "DeskStation rPC44", "DESKTECH", 150, /* MHz ?? */ p_dti_arcstation_mainbusdevs, platform_generic_match, p_dti_arcstation_init, c_isa_cons_init, p_dti_arcstation_reset, arc_set_intr, }; /* * This is a mask of bits to clear in the SR when we go to a * given interrupt priority level. */ /* XXX see comments in p_dti_arcstation_init() */ static const struct ipl_sr_map dti_arcstation_ipl_sr_map = { .sr_bits = { [IPL_NONE] = 0, [IPL_SOFTCLOCK] = MIPS_SOFT_INT_MASK_0, [IPL_SOFTNET] = MIPS_SOFT_INT_MASK, [IPL_VM] = MIPS_INT_MASK, /* XXX */ [IPL_SCHED] = MIPS_INT_MASK, [IPL_DDB] = MIPS_INT_MASK, [IPL_HIGH] = MIPS_INT_MASK, }, }; #if NPC_ISA > 0 || NOPMS_ISA > 0 /* * platform-dependent pccons configuration */ void pccons_dti_arcstation_init(void); struct pccons_config pccons_dti_arcstation_conf = { 0x3b4, 0xb0000, /* mono: iobase, memaddr */ 0x3d4, 0xa0000, /* cga: iobase, memaddr */ 0x64, 0x60, /* kbdc: cmdport, dataport */ pccons_dti_arcstation_init, }; void pccons_dti_arcstation_init(void) { kbc_put8042cmd(CMDBYTE); /* Want XT codes.. */ } #endif /* NPC_ISA > 0 || NOPMS_ISA > 0 */ #if NBTL > 0 /* * platform-dependent btl configuration */ void btl_dti_arcstation_bouncemem(u_int *, u_int *); uint32_t btl_dti_arcstation_kvtophys(uint32_t); uint32_t btl_dti_arcstation_phystokv(uint32_t); struct btl_config btl_dti_arcstation_conf = { btl_dti_arcstation_bouncemem, btl_dti_arcstation_kvtophys, btl_dti_arcstation_phystokv, }; void btl_dti_arcstation_bouncemem(u_int *basep, u_int *sizep) { /* * XXX static buffer as a kludge. * DMA isn't cache coherent on the rpc44, so we always use * uncached buffers for DMA. */ static char rpc44_buffer[TYNE_S_BOUNCE]; *sizep = TYNE_S_BOUNCE; /* Good enough? XXX */ #if 0 *basep = (u_int) kmem_alloc(*sizep, KM_SLEEP); #else *basep = (u_int) rpc44_buffer | 0xa0000000; #endif } uint32_t btl_dti_arcstation_kvtophys(uint32_t v) { return v; } uint32_t btl_dti_arcstation_phystokv(uint32_t p) { return p; } #endif /* NBTL > 0 */ /* * critial i/o space, interrupt, and other chipset related initialization. */ void p_dti_arcstation_init(void) { /* * Initialize interrupt priority */ /* * XXX * - rewrite spl handling to allow ISA clock > bio|tty|net * or * - use MIP3_INTERNAL_TIMER_INTERRUPT for clock */ ipl_sr_map = dti_arcstation_ipl_sr_map; /* * Initialize I/O address offset */ arc_bus_space_init(&arc_bus_io, "rpc44isaio", RPC44_P_ISA_IO, RPC44_V_ISA_IO, 0, RPC44_S_ISA_IO); arc_bus_space_init(&arc_bus_mem, "rpc44isamem", RPC44_P_ISA_MEM, RPC44_V_ISA_MEM, 0, RPC44_S_ISA_MEM); /* * Initialize wired TLB for I/O space which is used on early stage */ arc_init_wired_map(); /* no need to initialize wired TLB */ /* * common configuration for DTI platforms */ c_isa_init(); #if NPC_ISA > 0 || NOPMS_ISA > 0 /* platform-dependent pccons configuration */ pccons_isa_conf = &pccons_dti_arcstation_conf; #endif #if NBTL > 0 /* platform-dependent btl configuration */ btl_conf = &btl_dti_arcstation_conf; #endif } void p_dti_arcstation_reset(void) { arc_sysreset(RPC44_V_ISA_IO + IO_KBD, KBCMDP); }