1 /* $NetBSD: dwlpxvar.h,v 1.12 2023/12/04 00:32:10 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1997 by Matthew Jacob 5 * NASA AMES Research Center. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <sys/extent.h> 34 #include <sys/vmem_impl.h> 35 36 #include <dev/pci/pcivar.h> 37 38 #include <alpha/pci/pci_sgmap_pte32.h> 39 40 #define DWLPX_IO_NBTS VMEM_EST_BTCOUNT(2, 8) 41 #define DWLPX_D_MEM_NBTS VMEM_EST_BTCOUNT(1, 8) 42 #define DWLPX_S_MEM_NBTS VMEM_EST_BTCOUNT(2, 8) 43 44 /* 45 * DWLPX configuration. 46 */ 47 struct dwlpx_config { 48 int cc_initted; 49 struct alpha_bus_space cc_iot; 50 struct alpha_bus_space cc_memt; 51 vmem_t * cc_io_arena; 52 vmem_t * cc_d_mem_arena; 53 vmem_t * cc_s_mem_arena; 54 struct alpha_pci_chipset cc_pc; 55 struct dwlpx_softc * cc_sc; /* back pointer */ 56 struct vmem cc_io_arena_store; 57 struct vmem cc_d_mem_arena_store; 58 struct vmem cc_s_mem_arena_store; 59 struct vmem_btag cc_io_btag_store[DWLPX_IO_NBTS]; 60 struct vmem_btag cc_d_mem_btag_store[DWLPX_D_MEM_NBTS]; 61 struct vmem_btag cc_s_mem_btag_store[DWLPX_S_MEM_NBTS]; 62 unsigned long cc_sysbase; /* shorthand */ 63 struct alpha_bus_dma_tag cc_dmat_direct; 64 struct alpha_bus_dma_tag cc_dmat_sgmap; 65 struct alpha_sgmap cc_sgmap; 66 }; 67 68 struct dwlpx_softc { 69 device_t dwlpx_dev; 70 struct dwlpx_config dwlpx_cc; /* config info */ 71 uint16_t dwlpx_dtype; /* Node Type */ 72 uint8_t dwlpx_node; /* TurboLaser Node */ 73 uint8_t dwlpx_hosenum; /* Hose Number */ 74 uint8_t dwlpx_nhpc; /* # of hpcs */ 75 uint8_t dwlpx_sgmapsz; /* size of SGMAP */ 76 }; 77 #define DWLPX_NONE 0 78 #define DWLPX_SG32K 1 79 #define DWLPX_SG64K 2 80 #define DWLPX_SG128K 3 81 82 void dwlpx_init(struct dwlpx_softc *); 83 void dwlpx_pci_init(pci_chipset_tag_t, void *); 84 void dwlpx_dma_init(struct dwlpx_config *); 85 86 void dwlpx_bus_io_init(bus_space_tag_t, void *); 87 void dwlpx_bus_mem_init(bus_space_tag_t, void *); 88 89 /* 90 * Each DWLPX supports up to 15 devices, 12 of which are PCI slots. 91 * 92 * Since the STD I/O modules in slots 12-14 are really a PCI-EISA 93 * bridge, we'll punt on those for the moment. 94 */ 95 #define DWLPX_MAXDEV 12 96 97 #define DWLPX_NIONODE 5 98 #define DWLPX_NHOSE 4 99 100 /* 101 * Default values to put into DWLPX IMASK register(s) 102 */ 103 #define DWLPX_IMASK_DFLT \ 104 (1 << 24) | /* IPL 17 for error interrupts */ \ 105 (1 << 17) | /* IPL 14 for device interrupts */ \ 106 (1 << 16) /* Enable Error Interrupts */ 107