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David E. O'Brien
commit
1bb923183d
@ -56,19 +56,22 @@
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* SUCH DAMAGE.
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*/
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Status: (switched back to EXPERIMENTAL due to some heavy changes)
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EXPERIMENTAL
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Status:
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BETA-RELEASE
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This driver is currently developped under the following O/S:
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FreeBSD 4.0 SNAPSHOT July 5th 1999
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FreeBSD 4.0 current October 1999
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Starting with version 0.9.0, the driver contains conditionnal code
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for using pre-4.0 BUS stuff for PCI. I have successfully tested driver
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version 0.9.0 under:
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FreeBSD 3.2 RELEASE
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Given that the old bus stuff is still supported under FreeBSD, the driver
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should also compile and work just fine under FreeBSD 3.3 RELEASE.
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FreeBSD 3.3 RELEASE
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Latest revision:
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sym-0.9.0-19991024
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sym-0.10.0-19991111
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Files to download:
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SYM-0.9.0-19991024.tar.gz
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PATCH-SYM-0.10.0-19991111.tar.gz
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Supported SCSI features:
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- Initiator mode
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@ -100,7 +103,7 @@ Others:
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Notes:
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(1) Only supported by the LSI53C1010 and not yet
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tested due to lack of C1010 based controller.
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(2) Not yet checked. May not work as expected.
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(2) Not yet reported. May not work as expected.
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Files:
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README.sym this file
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@ -125,9 +128,24 @@ Installation:
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If FreeBSD-3, apply the unified patch sym_sys_3.patch
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(patch -p0 <sym_sys_3.patch)
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Otherwise, leave here. ;)
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5) Add sym0 to your kernel configuration as indicated in patched LINT file.
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5) Change to /usr/src/sys/pci directory
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6) Update to SYM-0.10.0-19991111
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gzip -d <PATCH-SYM-0.10.0-19991111.gz | patch -p0
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7) Add sym0 to your kernel configuration as indicated in patched LINT file.
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Configure and make your kernel.
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As seen from the shell history file (driver material assumed from /tmp),
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installation should proceed as follow (modulo mistakes from me:)):
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cd /tmp
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tar zxvf SYM-0.9.0-19991024.tar.gz
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cp SYM-0.9.0-19991024/* /usr/src/sys/pci
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cd /usr/src/sys
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patch -p0 <pci/sym_sys.patch # use sym_sys_3.patch if FreeBSD-3.X
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cd pci
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gzip -d </tmp/PATCH-SYM-0.10.0-19991111.gz | patch -p0
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Warnings:
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- This driver uses LOAD/STORE instructions from SCRIPTS and therefore does
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not support earliest NCR chips (NCR53C810, NCR53C815, NCR53C825).
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@ -139,7 +157,10 @@ Versionning:
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- Incremental diff files are of the following pattern:
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PATCH-SYM-X.Y.Z-YYYYMMDD
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They must be applied from directory: /usr/src/sys/pci/
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- Version 1.0.0 will add support for the C1010 (Ultra-3 DT data transfers)
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- Version 1.0.0 will happen when the driver will be tested enough but this
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driver version will probably not officially support the C1010 (Ultra-3)
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since the testing hasn't started yet. Some 1.X.0 version will support the
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C1010 (DT data transfer).
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- Version 2.0.0 is not planned for now, but will add support for host target
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mode if it will ever exist.
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@ -183,7 +204,7 @@ Change log:
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* SYM-0.8.0-19991016 (diff file PATCH-SYM-0.8.0-19991016)
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Heavy rewrite/rewamping of the error handling code in order to conform
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to FreeBSD-CAM expectation of commands having to be requeued and device
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queue to be freezed on any kind of error. Driver status switched back
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queue to be frozen on any kind of error. Driver status switched back
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to EXPERIMENTAL due to these changes.
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Warn user about targets that are not flagged for SCAN AT BOOT in the
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NVRAM, since the driver will not allow the corresponding devices to be
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@ -197,4 +218,13 @@ Change log:
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Tested under RELENG_3_2_0_RELEASE, but should also be just fine for 3.3.
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Other changes against version 0.8.0 are only minor buglet fixes.
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October 24 1999. "Gerard Roudier"<groudier@club-internet.fr>
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* SYM-0.10.0-19991111 (diff file PATCH-SYM-0.10.0-19991111)
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Add support for Alpha - UNTESTED. Consists in some minor changes picked
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mostly from the ncr driver and some others as ahc_pci.c.
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Fix the LED support through GPIO0 for pre-896 chips. In fact some code
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was wrongly conditionned by something that was never met.
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Switch driver status to BETA-RELEASE given that this driver has been rock
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solid even if s small number of users seems to actually use it.
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November 11 1999. "Gerard Roudier"<groudier@club-internet.fr>
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@ -56,7 +56,7 @@
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* SUCH DAMAGE.
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*/
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#define SYM_DRIVER_NAME "sym-0.9.0-19991024"
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#define SYM_DRIVER_NAME "sym-0.10.0-19991111"
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#include <pci.h>
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#include <stddef.h> /* For offsetof */
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@ -137,10 +137,13 @@ typedef u_int32_t u32;
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* ensure that accesses from the CPU to the start and done
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* queues are not reordered by either the compiler or the
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* CPU and uses 'volatile' for this purpose.
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* -> Only x86 architecture is supported, for now.
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*/
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#ifdef __alpha__
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#define MEMORY_BARRIER() alpha_mb()
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#else /*__i386__*/
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#define MEMORY_BARRIER() do { ; } while(0)
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#endif
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/*
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* A la VMS/CAM-3 queue management.
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@ -359,14 +362,21 @@ static int sym_debug = 0;
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/*
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* Virtual to bus address translation.
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* Only x86 supported.
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*/
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#ifdef __alpha__
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#define vtobus(p) alpha_XXX_dmamap((vm_offset_t)(p))
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#else /*__i386__*/
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#define vtobus(p) vtophys(p)
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#endif
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/*
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* Copy from main memory to PCI memory space.
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*/
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#ifdef __alpha__
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#define memcpy_to_pci(d, s, n) memcpy_toio((u32)(d), (void *)(s), (n))
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#else /*__i386__*/
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#define memcpy_to_pci(d, s, n) bcopy((s), (void *)(d), (n))
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#endif
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/*
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* Insert a delay in micro-seconds and milli-seconds.
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@ -637,8 +647,6 @@ struct sym_nvram {
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* If SYMCONF_IOMAPPED is defined, the driver will use
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* normal IOs instead of the MEMORY MAPPED IO method
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* recommended by PCI specifications.
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* For now, we only support flat memory model that should
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* limited support to x86 architecture.
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*/
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/*
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@ -652,13 +660,25 @@ struct sym_nvram {
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#define io_write16(p, v) outw((p), cpu_to_scr(v))
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#define io_write32(p, v) outl((p), cpu_to_scr(v))
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#define mmio_read8(a) scr_to_cpu((*(volatile unsigned char *) (a)))
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#define mmio_read16(a) scr_to_cpu((*(volatile unsigned short *) (a)))
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#define mmio_read32(a) scr_to_cpu((*(volatile unsigned int *) (a)))
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#ifdef __alpha__
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#define mmio_write8(a, b) (*(volatile unsigned char *) (a)) = cpu_to_scr(b)
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#define mmio_write16(a, b) (*(volatile unsigned short *) (a)) = cpu_to_scr(b)
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#define mmio_write32(a, b) (*(volatile unsigned int *) (a)) = cpu_to_scr(b)
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#define mmio_read8(a) readb(a)
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#define mmio_read16(a) readw(a)
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#define mmio_read32(a) readl(a)
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#define mmio_write8(a, b) writeb(a, b)
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#define mmio_write16(a, b) writew(a, b)
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#define mmio_write32(a, b) writel(a, b)
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#else /*__i386__*/
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#define mmio_read8(a) scr_to_cpu((*(volatile unsigned char *) (a)))
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#define mmio_read16(a) scr_to_cpu((*(volatile unsigned short *) (a)))
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#define mmio_read32(a) scr_to_cpu((*(volatile unsigned int *) (a)))
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#define mmio_write8(a, b) (*(volatile unsigned char *) (a)) = cpu_to_scr(b)
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#define mmio_write16(a, b) (*(volatile unsigned short *) (a)) = cpu_to_scr(b)
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#define mmio_write32(a, b) (*(volatile unsigned int *) (a)) = cpu_to_scr(b)
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#endif
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/*
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* Normal IO
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@ -672,7 +692,7 @@ struct sym_nvram {
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#define OUTW_OFF(o, v) io_write16(np->io_port + sym_offw(o), (v))
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#define INL_OFF(o) io_read32(np->io_port + (o))
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#define OUTL_OFF(o, v) io_write32(np->base_io + (o), (v))
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#define OUTL_OFF(o, v) io_write32(np->io_port + (o), (v))
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#else /* Memory mapped IO */
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@ -9773,7 +9793,7 @@ sym_pci_attach2(pcici_t pci_tag, int unit)
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#else
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if ((command & PCI_COMMAND_IO_ENABLE) != 0) {
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pci_port_t io_port;
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if (!pci_map_port (pci_tag, SYM_PCI_IO, &io_port))
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if (!pci_map_port (pci_tag, SYM_PCI_IO, &io_port)) {
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printf("%s: failed to map IO window\n", sym_name(np));
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goto attach_failed;
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}
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@ -9942,7 +9962,7 @@ sym_pci_attach2(pcici_t pci_tag, int unit)
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np->scripth0->pm0_data_addr[0] = cpu_to_scr(SCRIPT_BA(np,pm0_data));
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np->scripth0->pm1_data_addr[0] = cpu_to_scr(SCRIPT_BA(np,pm1_data));
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#ifdef SYM_OPT_LED0
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/*
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* Still some for LED support.
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*/
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@ -9954,7 +9974,7 @@ sym_pci_attach2(pcici_t pci_tag, int unit)
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np->script0->start[0] =
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cpu_to_scr(SCR_REG_REG(gpreg, SCR_AND, 0xfe));
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}
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#endif
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/*
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* Load SCNTL4 on reselection for the C10.
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*/
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@ -10219,6 +10239,19 @@ int sym_cam_attach(hcb_p np)
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}
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np->path = path;
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/*
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* Hmmm... This should be useful, but I donnot want to
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* know about.
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*/
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#ifdef __alpha__
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#ifdef FreeBSD_4_Bus
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alpha_register_pci_scsi(pci_get_bus(np->device),
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pci_get_slot(np->device), np->sim);
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#else /*__i386__*/
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alpha_register_pci_scsi(pci_tag->bus, pci_tag->slot, np->sim);
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#endif
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#endif
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#if 0
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/*
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* Establish our async notification handler.
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