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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-10-09 22:42:09 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-10-10 09:06:58 +0200 |
commit | bceabc95c1c85d793200446fa85f1ddc6313ea29 (patch) | |
tree | 973c8bd8deca9fd69913f2895cc91e0e6114d46c /rtemsbsd/rtems/rtems-bsd-pci_cfgreg.c | |
parent | Add FreeBSD sources as a submodule (diff) | |
download | rtems-libbsd-bceabc95c1c85d793200446fa85f1ddc6313ea29.tar.bz2 |
Move files to match FreeBSD layout
Diffstat (limited to 'rtemsbsd/rtems/rtems-bsd-pci_cfgreg.c')
-rw-r--r-- | rtemsbsd/rtems/rtems-bsd-pci_cfgreg.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/rtemsbsd/rtems/rtems-bsd-pci_cfgreg.c b/rtemsbsd/rtems/rtems-bsd-pci_cfgreg.c new file mode 100644 index 00000000..c6d47823 --- /dev/null +++ b/rtemsbsd/rtems/rtems-bsd-pci_cfgreg.c @@ -0,0 +1,114 @@ +#include <freebsd/machine/rtems-bsd-config.h> + +/** + * @file + * + * @ingroup rtems_bsd_rtems + * + * @brief This is the rtems version for the FreeBSD cpu specific + * file pci_cfgreg.c. Please note that the Ether Express is not + * supported in this version. + */ + +/* + * COPYRIGHT (c) 2012. On-Line Applications Research Corporation (OAR). + * 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. + */ + +#include <freebsd/sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <freebsd/sys/param.h> +#include <freebsd/sys/systm.h> +#include <freebsd/sys/bus.h> +#include <freebsd/sys/lock.h> +#include <freebsd/sys/kernel.h> +#include <freebsd/sys/malloc.h> +#include <freebsd/sys/sysctl.h> +#include <freebsd/dev/pci/pcivar.h> +#include <freebsd/dev/pci/pcireg.h> +#include <rtems/pci.h> + + +/* + * Initialise access to PCI configuration space + */ +int +pci_cfgregopen(void) +{ + return(1); +} + +/* + * Read configuration space register + */ +u_int32_t +pci_cfgregread(int bus, int slot, int func, int reg, int bytes) +{ + u_int32_t value; + uint8_t v8; + uint16_t v16; + uint32_t v32; + int data; + + switch (bytes) { + case 1: + data = pci_read_config_byte( bus, slot, func, reg, &v8 ); + value = v8; + break; + case 2: + data = pci_read_config_word( bus, slot, func, reg, &v16 ); + value = v16; + break; + case 4: + data = pci_read_config_dword( bus, slot, func, reg, &v32 ); + value = v32; + break; + } + + return value; +} + +/* + * Write configuration space register + */ +void +pci_cfgregwrite(int bus, int slot, int func, int reg, u_int32_t data, int bytes) +{ + uint8_t v8 = data & 0xff; + uint16_t v16 = data & 0xffff; + uint32_t v32 = data; + + switch (bytes) { + case 1: + pci_write_config_byte( bus, slot, func, reg, v8 ); + break; + case 2: + pci_write_config_word( bus, slot, func, reg, v16 ); + break; + case 4: + pci_write_config_dword( bus, slot, func, reg, v32 ); + break; + } +} |