diff options
Diffstat (limited to 'sys/ia64/pci/pci_cfgreg.c')
-rw-r--r-- | sys/ia64/pci/pci_cfgreg.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/sys/ia64/pci/pci_cfgreg.c b/sys/ia64/pci/pci_cfgreg.c new file mode 100644 index 0000000..649b7a9 --- /dev/null +++ b/sys/ia64/pci/pci_cfgreg.c @@ -0,0 +1,65 @@ +/*- + * Copyright (c) 2001 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <machine/pci_cfgreg.h> +#include <machine/sal.h> + +#define SAL_PCI_ADDRESS(bus, slot, func, reg) \ + (((bus) << 23) | ((slot) << 11) | ((func) << 8) | (reg)) + +int +pci_cfgregopen(void) +{ + return 1; +} + +u_int32_t +pci_cfgregread(int bus, int slot, int func, int reg, int bytes) +{ + struct ia64_sal_result res; + + res = ia64_sal_entry(SAL_PCI_CONFIG_READ, + SAL_PCI_ADDRESS(bus, slot, func, reg), + bytes, 0, 0, 0, 0, 0); + if (res.sal_status < 0) + return (~0); + else + return (res.sal_result[0]); + + +} +void +pci_cfgregwrite(int bus, int slot, int func, int reg, u_int32_t data, int bytes) +{ + struct ia64_sal_result res; + + res = ia64_sal_entry(SAL_PCI_CONFIG_WRITE, + SAL_PCI_ADDRESS(bus, slot, func, reg), + bytes, data, 0, 0, 0, 0); +} |