iodi.c revision 211893
1/*- 2 * Copyright (c) 2003-2009 RMI Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of RMI Corporation, nor the names of its contributors, 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * RMI_BSD 30 */ 31 32#include <sys/cdefs.h> 33__FBSDID("$FreeBSD: head/sys/mips/rmi/iodi.c 211893 2010-08-27 19:53:57Z jchandra $"); 34 35#define __RMAN_RESOURCE_VISIBLE 36#include <sys/param.h> 37#include <sys/systm.h> 38#include <sys/bus.h> 39#include <sys/kernel.h> 40#include <sys/lock.h> 41#include <sys/mutex.h> 42#include <sys/reboot.h> 43#include <sys/types.h> 44#include <sys/malloc.h> 45#include <sys/bus.h> 46#include <sys/interrupt.h> 47#include <sys/module.h> 48 49#include <machine/cpu.h> 50#include <machine/bus.h> 51#include <machine/bus.h> 52#include <machine/intr_machdep.h> 53#include <mips/rmi/iomap.h> 54#include <mips/rmi/pic.h> 55#include <mips/rmi/shared_structs.h> 56#include <mips/rmi/board.h> 57#include <sys/rman.h> 58 59 60#include <machine/param.h> 61#include <machine/intr_machdep.h> 62#include <machine/clock.h> /* for DELAY */ 63#include <machine/bus.h> 64#include <machine/resource.h> 65#include <mips/rmi/interrupt.h> 66#include <mips/rmi/msgring.h> 67#include <mips/rmi/iomap.h> 68#include <mips/rmi/debug.h> 69#include <mips/rmi/pic.h> 70#include <mips/rmi/xlrconfig.h> 71#include <mips/rmi/shared_structs.h> 72#include <mips/rmi/board.h> 73 74#include <mips/rmi/dev/xlr/atx_cpld.h> 75#include <mips/rmi/dev/xlr/xgmac_mdio.h> 76 77extern bus_space_tag_t uart_bus_space_mem; 78 79static struct resource * 80iodi_alloc_resource(device_t, device_t, int, int *, 81 u_long, u_long, u_long, u_int); 82 83static int 84iodi_activate_resource(device_t, device_t, int, int, 85 struct resource *); 86static int 87iodi_setup_intr(device_t, device_t, struct resource *, int, 88 driver_filter_t *, driver_intr_t *, void *, void **); 89 90struct iodi_softc *iodi_softc; /* There can be only one. */ 91 92static int 93iodi_setup_intr(device_t dev, device_t child, 94 struct resource *ires, int flags, driver_filter_t * filt, 95 driver_intr_t *intr, void *arg, void **cookiep) 96{ 97 98 if (strcmp(device_get_name(child), "uart") == 0) { 99 /* FIXME uart 1? */ 100 cpu_establish_hardintr("uart", filt, intr, arg, 101 PIC_UART_0_IRQ, flags, cookiep); 102 pic_setup_intr(PIC_IRT_UART_0_INDEX, PIC_UART_0_IRQ, 0x1, 0); 103 } else if (strcmp(device_get_name(child), "rge") == 0) { 104 int irq; 105 106 /* This is a hack to pass in the irq */ 107 irq = (intptr_t)ires->__r_i; 108 cpu_establish_hardintr("rge", filt, intr, arg, irq, flags, 109 cookiep); 110 pic_setup_intr(irq - PIC_IRQ_BASE, irq, 0x1, 0); 111 } else if (strcmp(device_get_name(child), "ehci") == 0) { 112 cpu_establish_hardintr("ehci", filt, intr, arg, PIC_USB_IRQ, flags, 113 cookiep); 114 pic_setup_intr(PIC_USB_IRQ - PIC_IRQ_BASE, PIC_USB_IRQ, 0x1, 0); 115 } 116 117 return (0); 118} 119 120static struct resource * 121iodi_alloc_resource(device_t bus, device_t child, int type, int *rid, 122 u_long start, u_long end, u_long count, u_int flags) 123{ 124 struct resource *res = malloc(sizeof(*res), M_DEVBUF, M_WAITOK); 125 int unit; 126 127#ifdef DEBUG 128 switch (type) { 129 case SYS_RES_IRQ: 130 device_printf(bus, "IRQ resource - for %s %lx-%lx\n", 131 device_get_nameunit(child), start, end); 132 break; 133 134 case SYS_RES_IOPORT: 135 device_printf(bus, "IOPORT resource - for %s %lx-%lx\n", 136 device_get_nameunit(child), start, end); 137 break; 138 139 case SYS_RES_MEMORY: 140 device_printf(bus, "MEMORY resource - for %s %lx-%lx\n", 141 device_get_nameunit(child), start, end); 142 break; 143 } 144#endif 145 146 if (strcmp(device_get_name(child), "uart") == 0) { 147 if ((unit = device_get_unit(child)) == 0) { /* uart 0 */ 148 res->r_bushandle = (xlr_io_base + XLR_IO_UART_0_OFFSET); 149 } else if (unit == 1) { 150 res->r_bushandle = (xlr_io_base + XLR_IO_UART_1_OFFSET); 151 } else 152 printf("%s: Unknown uart unit\n", __FUNCTION__); 153 154 res->r_bustag = uart_bus_space_mem; 155 } else if (strcmp(device_get_name(child), "ehci") == 0) { 156 res->r_bushandle = MIPS_PHYS_TO_KSEG1(0x1ef24000); 157 res->r_bustag = rmi_pci_bus_space; 158 } else if (strcmp(device_get_name(child), "cfi") == 0) { 159 res->r_bushandle = MIPS_PHYS_TO_KSEG1(0x1c000000); 160 res->r_bustag = 0; 161 } 162 /* res->r_start = *rid; */ 163 return (res); 164} 165 166static int 167iodi_activate_resource(device_t bus, device_t child, int type, int rid, 168 struct resource *r) 169{ 170 return (0); 171} 172 173/* prototypes */ 174static int iodi_probe(device_t); 175static int iodi_attach(device_t); 176static void iodi_identify(driver_t *, device_t); 177 178int 179iodi_probe(device_t dev) 180{ 181 return 0; 182} 183 184void 185iodi_identify(driver_t * driver, device_t parent) 186{ 187 188 BUS_ADD_CHILD(parent, 0, "iodi", 0); 189} 190 191int 192iodi_attach(device_t dev) 193{ 194 device_t tmpd; 195 196 /* 197 * Attach each devices 198 */ 199 device_add_child(dev, "uart", 0); 200 device_add_child(dev, "xlr_i2c", 0); 201 device_add_child(dev, "pcib", 0); 202 203 if (xlr_board_info.usb) 204 device_add_child(dev, "ehci", 0); 205 206 if (xlr_board_info.cfi) 207 device_add_child(dev, "cfi", 0); 208 209 if (xlr_board_info.gmac_block[0].enabled) { 210 tmpd = device_add_child(dev, "rge", 0); 211 device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]); 212 213 tmpd = device_add_child(dev, "rge", 1); 214 device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]); 215 216 tmpd = device_add_child(dev, "rge", 2); 217 device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]); 218 219 tmpd = device_add_child(dev, "rge", 3); 220 device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]); 221 } 222 if (xlr_board_info.gmac_block[1].enabled) { 223 if (xlr_board_info.gmac_block[1].type == XLR_GMAC) { 224 tmpd = device_add_child(dev, "rge", 4); 225 device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]); 226 227 tmpd = device_add_child(dev, "rge", 5); 228 device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]); 229 230 if (xlr_board_info.gmac_block[1].enabled & 0x4) { 231 tmpd = device_add_child(dev, "rge", 6); 232 device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]); 233 } 234 235 if (xlr_board_info.gmac_block[1].enabled & 0x8) { 236 tmpd = device_add_child(dev, "rge", 7); 237 device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]); 238 } 239 } else if (xlr_board_info.gmac_block[1].type == XLR_XGMAC) { 240#if 0 /* XGMAC not yet */ 241 tmpd = device_add_child(dev, "rge", 4); 242 device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]); 243 244 tmpd = device_add_child(dev, "rge", 5); 245 device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]); 246#endif 247 } else 248 device_printf(dev, "Unknown type of gmac 1\n"); 249 } 250 bus_generic_probe(dev); 251 bus_generic_attach(dev); 252 return 0; 253} 254 255static device_method_t iodi_methods[] = { 256 DEVMETHOD(device_probe, iodi_probe), 257 DEVMETHOD(device_attach, iodi_attach), 258 DEVMETHOD(device_identify, iodi_identify), 259 DEVMETHOD(bus_alloc_resource, iodi_alloc_resource), 260 DEVMETHOD(bus_activate_resource, iodi_activate_resource), 261 DEVMETHOD(bus_setup_intr, iodi_setup_intr), 262 {0, 0}, 263}; 264 265static driver_t iodi_driver = { 266 "iodi", 267 iodi_methods, 268 1 /* no softc */ 269}; 270static devclass_t iodi_devclass; 271 272DRIVER_MODULE(iodi, nexus, iodi_driver, iodi_devclass, 0, 0); 273