[b7a6d23a] | 1 | /* Standard VME bridge configuration for MVME5500, MVME6100 */ |
---|
| 2 | |
---|
| 3 | /* |
---|
| 4 | * Authorship |
---|
| 5 | * ---------- |
---|
| 6 | * This software ('beatnik' RTEMS BSP for MVME6100 and MVME5500) was |
---|
| 7 | * created by Till Straumann <strauman@slac.stanford.edu>, 2005-2007, |
---|
| 8 | * Stanford Linear Accelerator Center, Stanford University. |
---|
| 9 | * |
---|
| 10 | * Acknowledgement of sponsorship |
---|
| 11 | * ------------------------------ |
---|
| 12 | * The 'beatnik' BSP was produced by |
---|
| 13 | * the Stanford Linear Accelerator Center, Stanford University, |
---|
| 14 | * under Contract DE-AC03-76SFO0515 with the Department of Energy. |
---|
| 15 | * |
---|
| 16 | * Government disclaimer of liability |
---|
| 17 | * ---------------------------------- |
---|
| 18 | * Neither the United States nor the United States Department of Energy, |
---|
| 19 | * nor any of their employees, makes any warranty, express or implied, or |
---|
| 20 | * assumes any legal liability or responsibility for the accuracy, |
---|
| 21 | * completeness, or usefulness of any data, apparatus, product, or process |
---|
| 22 | * disclosed, or represents that its use would not infringe privately owned |
---|
| 23 | * rights. |
---|
| 24 | * |
---|
| 25 | * Stanford disclaimer of liability |
---|
| 26 | * -------------------------------- |
---|
| 27 | * Stanford University makes no representations or warranties, express or |
---|
| 28 | * implied, nor assumes any liability for the use of this software. |
---|
| 29 | * |
---|
| 30 | * Stanford disclaimer of copyright |
---|
| 31 | * -------------------------------- |
---|
| 32 | * Stanford University, owner of the copyright, hereby disclaims its |
---|
| 33 | * copyright and all other rights in this software. Hence, anyone may |
---|
| 34 | * freely use it for any purpose without restriction. |
---|
| 35 | * |
---|
| 36 | * Maintenance of notices |
---|
| 37 | * ---------------------- |
---|
| 38 | * In the interest of clarity regarding the origin and status of this |
---|
| 39 | * SLAC software, this and all the preceding Stanford University notices |
---|
| 40 | * are to remain affixed to any copy or derivative of this software made |
---|
| 41 | * or distributed by the recipient and are to be affixed to any copy of |
---|
| 42 | * software made or distributed by the recipient that contains a copy or |
---|
| 43 | * derivative of this software. |
---|
| 44 | * |
---|
| 45 | * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03 |
---|
| 46 | */ |
---|
| 47 | |
---|
| 48 | #include <rtems.h> |
---|
| 49 | #include <rtems/bspIo.h> |
---|
| 50 | #include <bsp.h> |
---|
| 51 | #include <bsp/VME.h> |
---|
| 52 | #include <bsp/VMEConfig.h> |
---|
| 53 | #include <bsp/irq.h> |
---|
| 54 | #include <bsp/vmeUniverse.h> |
---|
| 55 | #define _VME_TSI148_DECLARE_SHOW_ROUTINES |
---|
| 56 | #include <bsp/vmeTsi148.h> |
---|
| 57 | #include <libcpu/bat.h> |
---|
| 58 | |
---|
| 59 | /* Use a weak alias for the VME configuration. |
---|
| 60 | * This permits individual applications to override |
---|
| 61 | * this routine. |
---|
| 62 | * They may even create an 'empty' |
---|
| 63 | * |
---|
| 64 | * void BSP_vme_config(void) {} |
---|
| 65 | * |
---|
| 66 | * which will avoid linking in the Universe driver |
---|
| 67 | * at all :-). |
---|
| 68 | */ |
---|
| 69 | |
---|
| 70 | void BSP_vme_config(void) __attribute__ (( weak, alias("__BSP_default_vme_config") )); |
---|
| 71 | |
---|
| 72 | typedef struct { |
---|
| 73 | int (*xlate_adrs)(int, int, unsigned long, unsigned long, unsigned long *); |
---|
| 74 | int (*install_isr)(unsigned long, BSP_VME_ISR_t, void *); |
---|
| 75 | int (*remove_isr)(unsigned long, BSP_VME_ISR_t, void *); |
---|
| 76 | BSP_VME_ISR_t (*get_isr)(unsigned long vector, void **); |
---|
| 77 | int (*enable_int_lvl)(unsigned int); |
---|
| 78 | int (*disable_int_lvl)(unsigned int); |
---|
| 79 | int (*outbound_p_cfg)(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); |
---|
| 80 | int (*inbound_p_cfg) (unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); |
---|
| 81 | void (*outbound_p_show)(FILE*); |
---|
| 82 | void (*inbound_p_show) (FILE*); |
---|
| 83 | void (*reset_bus)(void); |
---|
| 84 | int (*install_irq_mgr)(int, int, int, ...); |
---|
| 85 | } VMEOpsRec, *VMEOps; |
---|
| 86 | |
---|
| 87 | static VMEOpsRec uniOpsRec = { |
---|
| 88 | xlate_adrs: vmeUniverseXlateAddr, |
---|
| 89 | install_isr: vmeUniverseInstallISR, |
---|
| 90 | remove_isr: vmeUniverseRemoveISR, |
---|
| 91 | get_isr: vmeUniverseISRGet, |
---|
| 92 | enable_int_lvl: vmeUniverseIntEnable, |
---|
| 93 | disable_int_lvl: vmeUniverseIntDisable, |
---|
| 94 | outbound_p_cfg: vmeUniverseMasterPortCfg, |
---|
| 95 | inbound_p_cfg: vmeUniverseSlavePortCfg, |
---|
| 96 | outbound_p_show: vmeUniverseMasterPortsShow, |
---|
| 97 | inbound_p_show: vmeUniverseSlavePortsShow, |
---|
| 98 | reset_bus: vmeUniverseResetBus, |
---|
| 99 | install_irq_mgr: vmeUniverseInstallIrqMgrAlt, |
---|
| 100 | }; |
---|
| 101 | |
---|
| 102 | static VMEOpsRec tsiOpsRec = { |
---|
| 103 | xlate_adrs: vmeTsi148XlateAddr, |
---|
| 104 | install_isr: vmeTsi148InstallISR, |
---|
| 105 | remove_isr: vmeTsi148RemoveISR, |
---|
| 106 | get_isr: vmeTsi148ISRGet, |
---|
| 107 | enable_int_lvl: vmeTsi148IntEnable, |
---|
| 108 | disable_int_lvl: vmeTsi148IntDisable, |
---|
| 109 | outbound_p_cfg: vmeTsi148OutboundPortCfg, |
---|
| 110 | inbound_p_cfg: vmeTsi148InboundPortCfg, |
---|
| 111 | outbound_p_show: vmeTsi148OutboundPortsShow, |
---|
| 112 | inbound_p_show: vmeTsi148InboundPortsShow, |
---|
| 113 | reset_bus: vmeTsi148ResetBus, |
---|
| 114 | install_irq_mgr: vmeTsi148InstallIrqMgrAlt, |
---|
| 115 | }; |
---|
| 116 | |
---|
| 117 | static VMEOps theOps = 0; |
---|
| 118 | |
---|
| 119 | int |
---|
| 120 | BSP_vme2local_adrs(unsigned long am, unsigned long vmeaddr, unsigned long *plocaladdr) |
---|
| 121 | { |
---|
| 122 | int rval=theOps->xlate_adrs(1,0,am,vmeaddr,plocaladdr); |
---|
| 123 | *plocaladdr+=PCI_MEM_BASE; |
---|
| 124 | return rval; |
---|
| 125 | } |
---|
| 126 | |
---|
| 127 | int |
---|
| 128 | BSP_local2vme_adrs(unsigned long am, unsigned long localaddr, unsigned long *pvmeaddr) |
---|
| 129 | { |
---|
| 130 | return theOps->xlate_adrs(0, 0, am,localaddr+PCI_DRAM_OFFSET,pvmeaddr); |
---|
| 131 | } |
---|
| 132 | |
---|
| 133 | int |
---|
| 134 | BSP_installVME_isr(unsigned long vector, BSP_VME_ISR_t handler, void *arg) |
---|
| 135 | { |
---|
| 136 | return theOps->install_isr(vector, handler, arg); |
---|
| 137 | } |
---|
| 138 | |
---|
| 139 | int |
---|
| 140 | BSP_removeVME_isr(unsigned long vector, BSP_VME_ISR_t handler, void *arg) |
---|
| 141 | { |
---|
| 142 | return theOps->remove_isr(vector, handler, arg); |
---|
| 143 | } |
---|
| 144 | |
---|
| 145 | /* retrieve the currently installed ISR for a given vector */ |
---|
| 146 | BSP_VME_ISR_t |
---|
| 147 | BSP_getVME_isr(unsigned long vector, void **parg) |
---|
| 148 | { |
---|
| 149 | return theOps->get_isr(vector, parg); |
---|
| 150 | } |
---|
| 151 | |
---|
| 152 | int |
---|
| 153 | BSP_enableVME_int_lvl(unsigned int level) |
---|
| 154 | { |
---|
| 155 | return theOps->enable_int_lvl(level); |
---|
| 156 | } |
---|
| 157 | |
---|
| 158 | int |
---|
| 159 | BSP_disableVME_int_lvl(unsigned int level) |
---|
| 160 | { |
---|
| 161 | return theOps->disable_int_lvl(level); |
---|
| 162 | } |
---|
| 163 | |
---|
| 164 | int |
---|
| 165 | BSP_VMEOutboundPortCfg( |
---|
| 166 | unsigned long port, |
---|
| 167 | unsigned long address_space, |
---|
| 168 | unsigned long vme_address, |
---|
| 169 | unsigned long pci_address, |
---|
| 170 | unsigned long size) |
---|
| 171 | { |
---|
| 172 | return theOps->outbound_p_cfg(port, address_space, vme_address, pci_address, size); |
---|
| 173 | } |
---|
| 174 | |
---|
| 175 | int |
---|
| 176 | BSP_VMEInboundPortCfg( |
---|
| 177 | unsigned long port, |
---|
| 178 | unsigned long address_space, |
---|
| 179 | unsigned long vme_address, |
---|
| 180 | unsigned long pci_address, |
---|
| 181 | unsigned long size) |
---|
| 182 | { |
---|
| 183 | return theOps->inbound_p_cfg(port, address_space, vme_address, pci_address, size); |
---|
| 184 | } |
---|
| 185 | |
---|
| 186 | void |
---|
| 187 | BSP_VMEOutboundPortsShow(FILE *f) |
---|
| 188 | { |
---|
| 189 | theOps->outbound_p_show(f); |
---|
| 190 | } |
---|
| 191 | |
---|
| 192 | void |
---|
| 193 | BSP_VMEInboundPortsShow(FILE *f) |
---|
| 194 | { |
---|
| 195 | theOps->inbound_p_show(f); |
---|
| 196 | } |
---|
| 197 | |
---|
| 198 | void |
---|
| 199 | BSP_VMEResetBus(void) |
---|
| 200 | { |
---|
| 201 | theOps->reset_bus(); |
---|
| 202 | } |
---|
| 203 | |
---|
| 204 | static unsigned short |
---|
| 205 | tsi_clear_errors(int quiet) |
---|
| 206 | { |
---|
| 207 | unsigned long v; |
---|
| 208 | unsigned short rval; |
---|
| 209 | v = vmeTsi148ClearVMEBusErrors(0); |
---|
| 210 | |
---|
| 211 | /* return bits 8..23 of VEAT; set bit 15 to make sure rval is nonzero on error */ |
---|
| 212 | rval = v ? ((v>>8) & 0xffff) | (1<<15) : 0; |
---|
| 213 | return rval; |
---|
| 214 | } |
---|
| 215 | |
---|
| 216 | void |
---|
| 217 | __BSP_default_vme_config(void) |
---|
| 218 | { |
---|
| 219 | int err = 1; |
---|
| 220 | if ( 0 == vmeUniverseInit() ) { |
---|
| 221 | theOps = &uniOpsRec; |
---|
| 222 | vmeUniverseReset(); |
---|
| 223 | } else if ( 0 == vmeTsi148Init() ) { |
---|
| 224 | theOps = &tsiOpsRec; |
---|
| 225 | vmeTsi148Reset(); |
---|
| 226 | _BSP_clear_vmebridge_errors = tsi_clear_errors; |
---|
| 227 | } else |
---|
| 228 | return; /* no VME bridge found chip */ |
---|
| 229 | |
---|
| 230 | /* map VME address ranges */ |
---|
| 231 | BSP_VMEOutboundPortCfg( |
---|
| 232 | 0, |
---|
| 233 | VME_AM_EXT_SUP_DATA, |
---|
| 234 | _VME_A32_WIN0_ON_VME, |
---|
| 235 | _VME_A32_WIN0_ON_PCI, |
---|
| 236 | 0x0e000000 |
---|
| 237 | ); |
---|
| 238 | BSP_VMEOutboundPortCfg( |
---|
| 239 | 1, |
---|
| 240 | VME_AM_STD_SUP_DATA, |
---|
| 241 | 0x00000000, |
---|
| 242 | _VME_A24_ON_PCI, |
---|
| 243 | 0x00ff0000); |
---|
| 244 | BSP_VMEOutboundPortCfg( |
---|
| 245 | 2, |
---|
| 246 | VME_AM_SUP_SHORT_IO, |
---|
| 247 | 0x00000000, |
---|
| 248 | _VME_A16_ON_PCI, |
---|
| 249 | 0x00010000); |
---|
| 250 | |
---|
| 251 | #ifdef _VME_CSR_ON_PCI |
---|
| 252 | /* Map VME64 CSR */ |
---|
| 253 | BSP_VMEOutboundPortCfg( |
---|
| 254 | 7, |
---|
| 255 | VME_AM_CSR, |
---|
| 256 | 0, |
---|
| 257 | _VME_CSR_ON_PCI, |
---|
| 258 | 0x01000000); |
---|
| 259 | #endif |
---|
| 260 | |
---|
| 261 | #ifdef _VME_DRAM_OFFSET |
---|
| 262 | /* map our memory to VME */ |
---|
| 263 | BSP_VMEInboundPortCfg( |
---|
| 264 | 0, |
---|
| 265 | VME_AM_EXT_SUP_DATA | VME_AM_IS_MEMORY, |
---|
| 266 | _VME_DRAM_OFFSET, |
---|
| 267 | PCI_DRAM_OFFSET, |
---|
| 268 | BSP_mem_size); |
---|
| 269 | #endif |
---|
| 270 | |
---|
| 271 | /* stdio is not yet initialized; the driver will revert to printk */ |
---|
| 272 | BSP_VMEOutboundPortsShow(0); |
---|
| 273 | BSP_VMEInboundPortsShow(0); |
---|
| 274 | |
---|
| 275 | switch (BSP_getBoardType()) { |
---|
| 276 | case MVME6100: |
---|
| 277 | err = theOps->install_irq_mgr( |
---|
| 278 | VMETSI148_IRQ_MGR_FLAG_SHARED, |
---|
| 279 | 0, BSP_IRQ_GPP_0 + 20, |
---|
| 280 | 1, BSP_IRQ_GPP_0 + 21, |
---|
| 281 | 2, BSP_IRQ_GPP_0 + 22, |
---|
| 282 | 3, BSP_IRQ_GPP_0 + 23, |
---|
| 283 | -1); |
---|
| 284 | break; |
---|
| 285 | |
---|
| 286 | case MVME5500: |
---|
| 287 | err = theOps->install_irq_mgr( |
---|
| 288 | VMEUNIVERSE_IRQ_MGR_FLAG_SHARED | |
---|
| 289 | VMEUNIVERSE_IRQ_MGR_FLAG_PW_WORKAROUND, |
---|
| 290 | 0, BSP_IRQ_GPP_0 + 12, |
---|
| 291 | 1, BSP_IRQ_GPP_0 + 13, |
---|
| 292 | 2, BSP_IRQ_GPP_0 + 14, |
---|
| 293 | 3, BSP_IRQ_GPP_0 + 15, |
---|
| 294 | -1); |
---|
| 295 | break; |
---|
| 296 | |
---|
| 297 | default: |
---|
| 298 | printk("WARNING: unknown board; "); |
---|
| 299 | break; |
---|
| 300 | } |
---|
| 301 | if ( err ) |
---|
| 302 | printk("VME interrupt manager NOT INSTALLED (error: %i)\n", err); |
---|
| 303 | } |
---|