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authorJennifer Averett <jennifer.averett@oarcorp.com>2012-06-29 12:42:00 -0500
committerJennifer Averett <jennifer.averett@oarcorp.com>2012-06-29 12:42:00 -0500
commit36ebd68c02b639ce02160f2ef18b606f4d9b239a (patch)
treef3e61a15e585b039e44ad0908053a142e51154e4 /rtemsbsd/src/rtems-bsd-pci_cfgreg.c
parentAdded pcib. (diff)
downloadrtems-libbsd-36ebd68c02b639ce02160f2ef18b606f4d9b239a.tar.bz2
Added legacy in order to get pcib to work correctly and resoleved fxp attach issue.
The fxp attach has a resource allocation issue still to address, but should work as soon as that is debugged.
Diffstat (limited to 'rtemsbsd/src/rtems-bsd-pci_cfgreg.c')
-rw-r--r--rtemsbsd/src/rtems-bsd-pci_cfgreg.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/rtemsbsd/src/rtems-bsd-pci_cfgreg.c b/rtemsbsd/src/rtems-bsd-pci_cfgreg.c
new file mode 100644
index 00000000..5606219d
--- /dev/null
+++ b/rtemsbsd/src/rtems-bsd-pci_cfgreg.c
@@ -0,0 +1,116 @@
+#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 <freebsd/machine/pci_cfgreg.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;
+ }
+}