/* * * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994, 1997. * On-Line Applications Research Corporation (OAR). * All rights assigned to U.S. Government, 1994. * * This material may be reproduced by or for the U.S. Government pursuant * to the copyright license under the clause at DFARS 252.227-7013. This * notice must appear in all copies of this file and its derivatives. * * $ld: */ #include #include #include #include #include "PCI.h" /******************************************************************** ******************************************************************** ********* ********* ********* Prototypes ********* ********* ********* ******************************************************************** ********************************************************************/ /******************************************************************** ******************************************************************** ********* ********* ********* ********* ********* ********* ******************************************************************** ********************************************************************/ typedef struct { rtems_unsigned32 PCI_ID; /* 0x80030000 */ rtems_unsigned32 PCI_CSR; /* 0x80030004 */ rtems_unsigned32 PCI_CLASS; /* 0x80030008 */ rtems_unsigned32 PCI_MISC0; /* 0x8003000C */ rtems_unsigned32 PCI_BS; /* 0x80030010 */ rtems_unsigned32 Buf_0x80030014[ 0x0A ]; /* 0x80030014 */ rtems_unsigned32 PCI_MISC1; /* 0x8003003C */ rtems_unsigned32 Buf_0x80030040[ 0x30 ]; /* 0x80030040 */ rtems_unsigned32 LSI0_CTL; /* 0x80030100 */ rtems_unsigned32 LSI0_BS; /* 0x80030104 */ rtems_unsigned32 LSI0_BD; /* 0x80030108 */ rtems_unsigned32 LSI0_TO; /* 0x8003010C */ rtems_unsigned32 Buf_0x80030110; /* 0x80030110 */ rtems_unsigned32 LSI1_CTL; /* 0x80030114 */ rtems_unsigned32 LSI1_BS; /* 0x80030118 */ rtems_unsigned32 LSI1_BD; /* 0x8003011C */ rtems_unsigned32 LSI1_TO; /* 0x80030120 */ rtems_unsigned32 Buf_0x80030124; /* 0x80030124 */ rtems_unsigned32 LSI2_CTL; /* 0x80030128 */ rtems_unsigned32 LSI2_BS; /* 0x8003012C */ rtems_unsigned32 LSI2_BD; /* 0x80030130 */ rtems_unsigned32 LSI2_TO; /* 0x80030134 */ rtems_unsigned32 Buf_0x80030138; /* 0x80030138 */ rtems_unsigned32 LSI3_CTL; /* 0x8003013C */ rtems_unsigned32 LSI3_BS; /* 0x80030140 */ rtems_unsigned32 LSI3_BD; /* 0x80030144 */ rtems_unsigned32 LSI3_TO; /* 0x80030148 */ rtems_unsigned32 Buf_0x8003014C[ 0x09 ]; /* 0x8003014C */ rtems_unsigned32 SCYC_CTL; /* 0x80030170 */ rtems_unsigned32 SCYC_ADDR; /* 0x80030174 */ rtems_unsigned32 SCYC_EN; /* 0x80030178 */ rtems_unsigned32 SCYC_CMP; /* 0x8003017C */ rtems_unsigned32 SCYC_SWP; /* 0x80030180 */ rtems_unsigned32 LMISC; /* 0x80030184 */ rtems_unsigned32 SLSI; /* 0x80030188 */ rtems_unsigned32 L_CMDERR; /* 0x8003018C */ rtems_unsigned32 LAERR; /* 0x80030190 */ rtems_unsigned32 Buf_0x80030194[ 0x1B ]; /* 0x80030194 */ rtems_unsigned32 DCTL; /* 0x80030200 */ rtems_unsigned32 DTBC; /* 0x80030204 */ rtems_unsigned32 DLA; /* 0x80030208 */ rtems_unsigned32 Buf_0x8003020C; /* 0x8003020C */ rtems_unsigned32 DVA; /* 0x80030210 */ rtems_unsigned32 Buf_0x80030214; /* 0x80030214 */ rtems_unsigned32 DCPP; /* 0x80030218 */ rtems_unsigned32 Buf_0x8003021C; /* 0x8003021C */ rtems_unsigned32 DGCS; /* 0x80030220 */ rtems_unsigned32 D_LLUE; /* 0x80030224 */ rtems_unsigned32 Buf_0x80030228[ 0x36 ]; /* 0x80030228 */ rtems_unsigned32 LINT_EN; /* 0x80030300 */ rtems_unsigned32 LINT_STAT; /* 0x80030304 */ rtems_unsigned32 LINT_MAP0; /* 0x80030308 */ rtems_unsigned32 LINT_MAP1; /* 0x8003030C */ rtems_unsigned32 VINT_EN; /* 0x80030310 */ rtems_unsigned32 VINT_STAT; /* 0x80030314 */ rtems_unsigned32 VINT_MAP0; /* 0x80030318 */ rtems_unsigned32 VINT_MAP1; /* 0x8003031C */ rtems_unsigned32 STATID; /* 0x80030320 */ rtems_unsigned32 V1_STATID; /* 0x80030324 */ rtems_unsigned32 V2_STATID; /* 0x80030328 */ rtems_unsigned32 V3_STATID; /* 0x8003032C */ rtems_unsigned32 V4_STATID; /* 0x80030330 */ rtems_unsigned32 V5_STATID; /* 0x80030334 */ rtems_unsigned32 V6_STATID; /* 0x80030338 */ rtems_unsigned32 V7_STATID; /* 0x8003033C */ rtems_unsigned32 Buf_0x80030340[ 0x30 ]; /* 0x80030340 */ rtems_unsigned32 MAST_CTL; /* 0x80030400 */ rtems_unsigned32 MISC_CTL; /* 0x80030404 */ rtems_unsigned32 MISC_STAT; /* 0x80030408 */ rtems_unsigned32 USER_AM; /* 0x8003040C */ rtems_unsigned32 Buf_0x80030410[ 0x2bc ];/* 0x80030410 */ rtems_unsigned32 VSI0_CTL; /* 0x80030F00 */ rtems_unsigned32 VSI0_BS; /* 0x80030F04 */ rtems_unsigned32 VSI0_BD; /* 0x80030F08 */ rtems_unsigned32 VSI0_TO; /* 0x80030F0C */ rtems_unsigned32 Buf_0x80030f10; /* 0x80030F10 */ rtems_unsigned32 VSI1_CTL; /* 0x80030F14 */ rtems_unsigned32 VSI1_BS; /* 0x80030F18 */ rtems_unsigned32 VSI1_BD; /* 0x80030F1C */ rtems_unsigned32 VSI1_TO; /* 0x80030F20 */ rtems_unsigned32 Buf_0x80030F24; /* 0x80030F24 */ rtems_unsigned32 VSI2_CTL; /* 0x80030F28 */ rtems_unsigned32 VSI2_BS; /* 0x80030F2C */ rtems_unsigned32 VSI2_BD; /* 0x80030F30 */ rtems_unsigned32 VSI2_TO; /* 0x80030F34 */ rtems_unsigned32 Buf_0x80030F38; /* 0x80030F38 */ rtems_unsigned32 VSI3_CTL; /* 0x80030F3C */ rtems_unsigned32 VSI3_BS; /* 0x80030F40 */ rtems_unsigned32 VSI3_BD; /* 0x80030F44 */ rtems_unsigned32 VSI3_TO; /* 0x80030F48 */ rtems_unsigned32 Buf_0x80030F4C[ 0x9 ]; /* 0x80030F4C */ rtems_unsigned32 VRAI_CTL; /* 0x80030F70 */ rtems_unsigned32 VRAI_BS; /* 0x80030F74 */ rtems_unsigned32 Buf_0x80030F78[ 0x2 ]; /* 0x80030F78 */ rtems_unsigned32 VCSR_CTL; /* 0x80030F80 */ rtems_unsigned32 VCSR_TO; /* 0x80030F84 */ rtems_unsigned32 V_AMERR; /* 0x80030F88 */ rtems_unsigned32 VAERR; /* 0x80030F8C */ rtems_unsigned32 Buf_0x80030F90[ 0x19 ]; /* 0x80030F90 */ rtems_unsigned32 VCSR_CLR; /* 0x80030FF4 */ rtems_unsigned32 VCSR_SET; /* 0x80030FF8 */ rtems_unsigned32 VCSR_BS; /* 0x80030FFC */ } Universe_Memory; volatile Universe_Memory *UNIVERSE = (volatile Universe_Memory *)SCORE603E_UNIVERSE_BASE; /******************************************************************** ******************************************************************** ********* ********* ********* ********* ********* ********* ******************************************************************** ********************************************************************/ /* * Initializes the UNIVERSE chip. This routine is called automatically * by the boot code. This routine should be called by user code only if * a complete SCORE603e VME initialization is required. */ void initialize_universe() { rtems_unsigned32 jumper_selection; rtems_unsigned32 pci_id; volatile rtems_unsigned32 universe_temp_value; /* * Read the VME jumper location to determine the VME base address */ jumper_selection = PCI_bus_read( (volatile rtems_unsigned32 *)SCORE603E_VME_JUMPER_ADDR ); jumper_selection = (jumper_selection >> 3) & 0x1f; /* * Verify the UNIVERSE CHIP ID */ pci_id = Read_pci_device_register( SCORE603E_IO_VME_UNIVERSE_BASE ); /* * compare to known ID */ if (pci_id != SCORE603E_UNIVERSE_CHIP_ID ){ DEBUG_puts ("Invalid SCORE603E_UNIVERSE_CHIP_ID: "); rtems_fatal_error_occurred( 0x603e0bad ); } #if (SCORE603E_USE_SDS) | (SCORE603E_USE_OPEN_FIRMWARE) | (SCORE603E_USE_NONE) /* * Set the UNIVERSE PCI Configuration Base Address Register with 0x30001 * to specifies the 64 Kbyte aligned base address of the UNIVERSE register * space on PCI to be 0x30000 + 0x80000000 (IO_BASE) */ Write_pci_device_register( SCORE603E_IO_VME_UNIVERSE_BASE+0x10,0x30001 ); /* * Set the UNIVERSE PCI Configuration Space Control and Status Register to * medium speed device, Target Back to Back Capable, Master Enable, Target * Memory Enable and Target IO Enable */ Write_pci_device_register( SCORE603E_IO_VME_UNIVERSE_BASE+0x4, 0x2800007 ); /* * Turn off the sysfail by setting SYSFAIL bit to 1 on the VCSR_CLR register */ PCI_bus_write( &UNIVERSE->VCSR_CLR, 0x40000000 ); /* * Set the VMEbus Master Control register with retry forever, 256 bytes * posted write transfer count, VMEbus request level 3, RWD, PCI 32 bytes * aligned burst size and PCI bus number to be zero */ PCI_bus_write( &UNIVERSE->MAST_CTL, 0x01C00000 ); /* * VMEbus DMA Transfer Control register with 32 bit VMEbus Maximum Data * width, A32 VMEbus Address Space, AM code to be data, none-privilleged, * single and BLT cycles on VME bus and 64-bit PCI Bus Transactions enable PCI_bus_write( &UNIVERSE->DCTL, 0x00820180 ); */ PCI_bus_write( &UNIVERSE->LSI0_CTL, 0x80700040 ); PCI_bus_write( &UNIVERSE->LSI0_BS, 0x04000000 ); PCI_bus_write( &UNIVERSE->LSI0_BD, 0x05000000 ); PCI_bus_write( &UNIVERSE->LSI0_TO, 0x7C000000 ); /* * Remove the Universe from VMEbus BI-Mode (bus-isolation). Once out of * BI-Mode VMEbus accesses can be made. */ universe_temp_value = PCI_bus_read( &UNIVERSE->MISC_CTL ); if (universe_temp_value & 0x100000) PCI_bus_write( &UNIVERSE->MISC_CTL,(universe_temp_value | ~0xFF0FFFFF)); #elif (SCORE603E_USE_DINK) /* * Do not modify the DINK setup of the universe chip. */ #else #error "SCORE603E BSPSTART.C -- what ROM monitor are you using" #endif } /* * Set the slave VME base address to the specified base address. * Note: Lower 12 bits[11:0] will be masked out prior to setting the VMEbus * Slave Image 0 registers. */ void set_vme_base_address ( rtems_unsigned32 base_address ) { volatile rtems_unsigned32 temp; /* * Calculate the current size of the Slave VME image 0 */ temp = ( PCI_bus_read( &UNIVERSE->VSI0_BD) & 0xFFFFF000) - ( PCI_bus_read( &UNIVERSE->VSI0_BS) & 0xFFFFF000); /* * Set the VMEbus Slave Image 0 Base Address to be * the specifed base address on VSI0_BS register. */ PCI_bus_write( &UNIVERSE->VSI0_BS, (base_address & 0xFFFFF000) ); /* * Update the VMEbus Slave Image 0 Bound Address. */ PCI_bus_write( &UNIVERSE->VSI0_BD, temp ); /* * Update the VMEbus Slave Image 0 Translation Offset */ temp = 0xFFFFFFFF - (base_address & 0xFFFFF000) + 1 + 0x80000000; PCI_bus_write( &UNIVERSE->VSI0_TO, temp ); } /* * Gets the VME base address */ rtems_unsigned32 get_vme_base_address () { volatile rtems_unsigned32 temp; temp = PCI_bus_read( &UNIVERSE->VSI0_BS ); temp &= 0xFFFFF000; return (temp); } rtems_unsigned32 get_vme_slave_size() { volatile rtems_unsigned32 temp; temp = PCI_bus_read( &UNIVERSE->VSI0_BD); temp &= 0xFFFFF000; temp = temp - get_vme_base_address (); return temp; } /* * Set the size of the VME slave image * Note: The maximum size is up to 24 M bytes. (00000000 - 017FFFFF) */ void set_vme_slave_size (rtems_unsigned32 size) { volatile rtems_unsigned32 temp; if (size<0) size = 0; if (size > 0x17FFFFF) size = 0x17FFFFF; /* * Read the VME slave image base address */ temp = get_vme_base_address (); /* * Update the VMEbus Slave Image 0 Bound Address. */ temp = temp + (size & 0xFFFFF000); PCI_bus_write( &UNIVERSE->VSI0_BD, temp ); }