diff options
Diffstat (limited to 'drivers/char/rio/rioinit.c')
| -rw-r--r-- | drivers/char/rio/rioinit.c | 421 |
1 files changed, 0 insertions, 421 deletions
diff --git a/drivers/char/rio/rioinit.c b/drivers/char/rio/rioinit.c deleted file mode 100644 index 24a282b..0000000 --- a/drivers/char/rio/rioinit.c +++ /dev/null @@ -1,421 +0,0 @@ -/* -** ----------------------------------------------------------------------------- -** -** Perle Specialix driver for Linux -** Ported from existing RIO Driver for SCO sources. - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Module : rioinit.c -** SID : 1.3 -** Last Modified : 11/6/98 10:33:43 -** Retrieved : 11/6/98 10:33:49 -** -** ident @(#)rioinit.c 1.3 -** -** ----------------------------------------------------------------------------- -*/ - -#include <linux/module.h> -#include <linux/errno.h> -#include <linux/delay.h> -#include <asm/io.h> -#include <asm/system.h> -#include <asm/string.h> -#include <asm/uaccess.h> - -#include <linux/termios.h> -#include <linux/serial.h> - -#include <linux/generic_serial.h> - - -#include "linux_compat.h" -#include "pkt.h" -#include "daemon.h" -#include "rio.h" -#include "riospace.h" -#include "cmdpkt.h" -#include "map.h" -#include "rup.h" -#include "port.h" -#include "riodrvr.h" -#include "rioinfo.h" -#include "func.h" -#include "errors.h" -#include "pci.h" - -#include "parmmap.h" -#include "unixrup.h" -#include "board.h" -#include "host.h" -#include "phb.h" -#include "link.h" -#include "cmdblk.h" -#include "route.h" -#include "cirrus.h" -#include "rioioctl.h" -#include "rio_linux.h" - -int RIOPCIinit(struct rio_info *p, int Mode); - -static int RIOScrub(int, u8 __iomem *, int); - - -/** -** RIOAssignAT : -** -** Fill out the fields in the p->RIOHosts structure now we know we know -** we have a board present. -** -** bits < 0 indicates 8 bit operation requested, -** bits > 0 indicates 16 bit operation. -*/ - -int RIOAssignAT(struct rio_info *p, int Base, void __iomem *virtAddr, int mode) -{ - int bits; - struct DpRam __iomem *cardp = (struct DpRam __iomem *)virtAddr; - - if ((Base < ONE_MEG) || (mode & BYTE_ACCESS_MODE)) - bits = BYTE_OPERATION; - else - bits = WORD_OPERATION; - - /* - ** Board has passed its scrub test. Fill in all the - ** transient stuff. - */ - p->RIOHosts[p->RIONumHosts].Caddr = virtAddr; - p->RIOHosts[p->RIONumHosts].CardP = virtAddr; - - /* - ** Revision 01 AT host cards don't support WORD operations, - */ - if (readb(&cardp->DpRevision) == 01) - bits = BYTE_OPERATION; - - p->RIOHosts[p->RIONumHosts].Type = RIO_AT; - p->RIOHosts[p->RIONumHosts].Copy = rio_copy_to_card; - /* set this later */ - p->RIOHosts[p->RIONumHosts].Slot = -1; - p->RIOHosts[p->RIONumHosts].Mode = SLOW_LINKS | SLOW_AT_BUS | bits; - writeb(BOOT_FROM_RAM | EXTERNAL_BUS_OFF | p->RIOHosts[p->RIONumHosts].Mode | INTERRUPT_DISABLE , - &p->RIOHosts[p->RIONumHosts].Control); - writeb(0xFF, &p->RIOHosts[p->RIONumHosts].ResetInt); - writeb(BOOT_FROM_RAM | EXTERNAL_BUS_OFF | p->RIOHosts[p->RIONumHosts].Mode | INTERRUPT_DISABLE, - &p->RIOHosts[p->RIONumHosts].Control); - writeb(0xFF, &p->RIOHosts[p->RIONumHosts].ResetInt); - p->RIOHosts[p->RIONumHosts].UniqueNum = - ((readb(&p->RIOHosts[p->RIONumHosts].Unique[0])&0xFF)<<0)| - ((readb(&p->RIOHosts[p->RIONumHosts].Unique[1])&0xFF)<<8)| - ((readb(&p->RIOHosts[p->RIONumHosts].Unique[2])&0xFF)<<16)| - ((readb(&p->RIOHosts[p->RIONumHosts].Unique[3])&0xFF)<<24); - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Uniquenum 0x%x\n",p->RIOHosts[p->RIONumHosts].UniqueNum); - - p->RIONumHosts++; - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Tests Passed at 0x%x\n", Base); - return(1); -} - -static u8 val[] = { -#ifdef VERY_LONG_TEST - 0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, - 0xa5, 0xff, 0x5a, 0x00, 0xff, 0xc9, 0x36, -#endif - 0xff, 0x00, 0x00 }; - -#define TEST_END sizeof(val) - -/* -** RAM test a board. -** Nothing too complicated, just enough to check it out. -*/ -int RIOBoardTest(unsigned long paddr, void __iomem *caddr, unsigned char type, int slot) -{ - struct DpRam __iomem *DpRam = caddr; - void __iomem *ram[4]; - int size[4]; - int op, bank; - int nbanks; - - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Reset host type=%d, DpRam=%p, slot=%d\n", - type, DpRam, slot); - - RIOHostReset(type, DpRam, slot); - - /* - ** Scrub the memory. This comes in several banks: - ** DPsram1 - 7000h bytes - ** DPsram2 - 200h bytes - ** DPsram3 - 7000h bytes - ** scratch - 1000h bytes - */ - - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Setup ram/size arrays\n"); - - size[0] = DP_SRAM1_SIZE; - size[1] = DP_SRAM2_SIZE; - size[2] = DP_SRAM3_SIZE; - size[3] = DP_SCRATCH_SIZE; - - ram[0] = DpRam->DpSram1; - ram[1] = DpRam->DpSram2; - ram[2] = DpRam->DpSram3; - nbanks = (type == RIO_PCI) ? 3 : 4; - if (nbanks == 4) - ram[3] = DpRam->DpScratch; - - - if (nbanks == 3) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Memory: %p(0x%x), %p(0x%x), %p(0x%x)\n", - ram[0], size[0], ram[1], size[1], ram[2], size[2]); - } else { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: %p(0x%x), %p(0x%x), %p(0x%x), %p(0x%x)\n", - ram[0], size[0], ram[1], size[1], ram[2], size[2], ram[3], size[3]); - } - - /* - ** This scrub operation will test for crosstalk between - ** banks. TEST_END is a magic number, and relates to the offset - ** within the 'val' array used by Scrub. - */ - for (op=0; op<TEST_END; op++) { - for (bank=0; bank<nbanks; bank++) { - if (RIOScrub(op, ram[bank], size[bank]) == RIO_FAIL) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: RIOScrub band %d, op %d failed\n", - bank, op); - return RIO_FAIL; - } - } - } - - rio_dprintk (RIO_DEBUG_INIT, "Test completed\n"); - return 0; -} - - -/* -** Scrub an area of RAM. -** Define PRETEST and POSTTEST for a more thorough checking of the -** state of the memory. -** Call with op set to an index into the above 'val' array to determine -** which value will be written into memory. -** Call with op set to zero means that the RAM will not be read and checked -** before it is written. -** Call with op not zero and the RAM will be read and compared with val[op-1] -** to check that the data from the previous phase was retained. -*/ - -static int RIOScrub(int op, u8 __iomem *ram, int size) -{ - int off; - unsigned char oldbyte; - unsigned char newbyte; - unsigned char invbyte; - unsigned short oldword; - unsigned short newword; - unsigned short invword; - unsigned short swapword; - - if (op) { - oldbyte = val[op-1]; - oldword = oldbyte | (oldbyte<<8); - } else - oldbyte = oldword = 0; /* Tell the compiler we've initilalized them. */ - newbyte = val[op]; - newword = newbyte | (newbyte<<8); - invbyte = ~newbyte; - invword = invbyte | (invbyte<<8); - - /* - ** Check that the RAM contains the value that should have been left there - ** by the previous test (not applicable for pass zero) - */ - if (op) { - for (off=0; off<size; off++) { - if (readb(ram + off) != oldbyte) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Byte Pre Check 1: BYTE at offset 0x%x should have been=%x, was=%x\n", off, oldbyte, readb(ram + off)); - return RIO_FAIL; - } - } - for (off=0; off<size; off+=2) { - if (readw(ram + off) != oldword) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Word Pre Check: WORD at offset 0x%x should have been=%x, was=%x\n",off,oldword, readw(ram + off)); - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Word Pre Check: BYTE at offset 0x%x is %x BYTE at offset 0x%x is %x\n", off, readb(ram + off), off+1, readb(ram+off+1)); - return RIO_FAIL; - } - } - } - - /* - ** Now write the INVERSE of the test data into every location, using - ** BYTE write operations, first checking before each byte is written - ** that the location contains the old value still, and checking after - ** the write that the location contains the data specified - this is - ** the BYTE read/write test. - */ - for (off=0; off<size; off++) { - if (op && (readb(ram + off) != oldbyte)) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Byte Pre Check 2: BYTE at offset 0x%x should have been=%x, was=%x\n", off, oldbyte, readb(ram + off)); - return RIO_FAIL; - } - writeb(invbyte, ram + off); - if (readb(ram + off) != invbyte) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Byte Inv Check: BYTE at offset 0x%x should have been=%x, was=%x\n", off, invbyte, readb(ram + off)); - return RIO_FAIL; - } - } - - /* - ** now, use WORD operations to write the test value into every location, - ** check as before that the location contains the previous test value - ** before overwriting, and that it contains the data value written - ** afterwards. - ** This is the WORD operation test. - */ - for (off=0; off<size; off+=2) { - if (readw(ram + off) != invword) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Word Inv Check: WORD at offset 0x%x should have been=%x, was=%x\n", off, invword, readw(ram + off)); - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Word Inv Check: BYTE at offset 0x%x is %x BYTE at offset 0x%x is %x\n", off, readb(ram + off), off+1, readb(ram+off+1)); - return RIO_FAIL; - } - - writew(newword, ram + off); - if ( readw(ram + off) != newword ) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Post Word Check 1: WORD at offset 0x%x should have been=%x, was=%x\n", off, newword, readw(ram + off)); - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Post Word Check 1: BYTE at offset 0x%x is %x BYTE at offset 0x%x is %x\n", off, readb(ram + off), off+1, readb(ram + off + 1)); - return RIO_FAIL; - } - } - - /* - ** now run through the block of memory again, first in byte mode - ** then in word mode, and check that all the locations contain the - ** required test data. - */ - for (off=0; off<size; off++) { - if (readb(ram + off) != newbyte) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Post Byte Check: BYTE at offset 0x%x should have been=%x, was=%x\n", off, newbyte, readb(ram + off)); - return RIO_FAIL; - } - } - - for (off=0; off<size; off+=2) { - if (readw(ram + off) != newword ) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Post Word Check 2: WORD at offset 0x%x should have been=%x, was=%x\n", off, newword, readw(ram + off)); - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Post Word Check 2: BYTE at offset 0x%x is %x BYTE at offset 0x%x is %x\n", off, readb(ram + off), off+1, readb(ram + off + 1)); - return RIO_FAIL; - } - } - - /* - ** time to check out byte swapping errors - */ - swapword = invbyte | (newbyte << 8); - - for (off=0; off<size; off+=2) { - writeb(invbyte, &ram[off]); - writeb(newbyte, &ram[off+1]); - } - - for ( off=0; off<size; off+=2 ) { - if (readw(ram + off) != swapword) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: SwapWord Check 1: WORD at offset 0x%x should have been=%x, was=%x\n", off, swapword, readw(ram + off)); - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: SwapWord Check 1: BYTE at offset 0x%x is %x BYTE at offset 0x%x is %x\n", off, readb(ram + off), off+1, readb(ram + off + 1)); - return RIO_FAIL; - } - writew(~swapword, ram + off); - } - - for (off=0; off<size; off+=2) { - if (readb(ram + off) != newbyte) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: SwapWord Check 2: BYTE at offset 0x%x should have been=%x, was=%x\n", off, newbyte, readb(ram + off)); - return RIO_FAIL; - } - if (readb(ram + off + 1) != invbyte) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: SwapWord Check 2: BYTE at offset 0x%x should have been=%x, was=%x\n", off+1, invbyte, readb(ram + off + 1)); - return RIO_FAIL; - } - writew(newword, ram + off); - } - return 0; -} - - -int RIODefaultName(struct rio_info *p, struct Host *HostP, unsigned int UnitId) -{ - memcpy(HostP->Mapping[UnitId].Name, "UNKNOWN RTA X-XX", 17); - HostP->Mapping[UnitId].Name[12]='1'+(HostP-p->RIOHosts); - if ((UnitId+1) > 9) { - HostP->Mapping[UnitId].Name[14]='0'+((UnitId+1)/10); - HostP->Mapping[UnitId].Name[15]='0'+((UnitId+1)%10); - } - else { - HostP->Mapping[UnitId].Name[14]='1'+UnitId; - HostP->Mapping[UnitId].Name[15]=0; - } - return 0; -} - -#define RIO_RELEASE "Linux" -#define RELEASE_ID "1.0" - -static struct rioVersion stVersion; - -struct rioVersion *RIOVersid(void) -{ - strlcpy(stVersion.version, "RIO driver for linux V1.0", - sizeof(stVersion.version)); - strlcpy(stVersion.buildDate, __DATE__, - sizeof(stVersion.buildDate)); - - return &stVersion; -} - -void RIOHostReset(unsigned int Type, struct DpRam __iomem *DpRamP, unsigned int Slot) -{ - /* - ** Reset the Tpu - */ - rio_dprintk (RIO_DEBUG_INIT, "RIOHostReset: type 0x%x", Type); - switch ( Type ) { - case RIO_AT: - rio_dprintk (RIO_DEBUG_INIT, " (RIO_AT)\n"); - writeb(BOOT_FROM_RAM | EXTERNAL_BUS_OFF | INTERRUPT_DISABLE | BYTE_OPERATION | - SLOW_LINKS | SLOW_AT_BUS, &DpRamP->DpControl); - writeb(0xFF, &DpRamP->DpResetTpu); - udelay(3); - rio_dprintk (RIO_DEBUG_INIT, "RIOHostReset: Don't know if it worked. Try reset again\n"); - writeb(BOOT_FROM_RAM | EXTERNAL_BUS_OFF | INTERRUPT_DISABLE | - BYTE_OPERATION | SLOW_LINKS | SLOW_AT_BUS, &DpRamP->DpControl); - writeb(0xFF, &DpRamP->DpResetTpu); - udelay(3); - break; - case RIO_PCI: - rio_dprintk (RIO_DEBUG_INIT, " (RIO_PCI)\n"); - writeb(RIO_PCI_BOOT_FROM_RAM, &DpRamP->DpControl); - writeb(0xFF, &DpRamP->DpResetInt); - writeb(0xFF, &DpRamP->DpResetTpu); - udelay(100); - break; - default: - rio_dprintk (RIO_DEBUG_INIT, " (UNKNOWN)\n"); - break; - } - return; -} |
