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Message-ID: <20080421075433.GA3966@hall2.aurel32.net>
Date: Mon, 21 Apr 2008 09:54:33 +0200
From: Aurelien Jarno <aurelien@...el32.net>
To: Ralf Baechle <ralf@...ux-mips.org>
Cc: Michael Buesch <mb@...sch.de>, linux-mips@...ux-mips.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] BCM47xx: Add platform specific PCI code
This patch, ported from OpenWRT SVN, defines pcibios_map_irq() and
pcibios_plat_dev_init() for the BCM47xx platform.
It fixes the regression introduced by commit
aab547ce0d1493d400b6468c521a0137cd8c1edf.
---
arch/mips/pci/Makefile | 1 +
arch/mips/pci/pci-bcm47xx.c | 58 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 59 insertions(+), 0 deletions(-)
create mode 100644 arch/mips/pci/pci-bcm47xx.c
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index ed0c076..64ba3fa 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_MIPS_TX3927) += ops-tx3927.o
obj-$(CONFIG_PCI_VR41XX) += ops-vr41xx.o pci-vr41xx.o
obj-$(CONFIG_NEC_CMBVR4133) += fixup-vr4133.o
obj-$(CONFIG_MARKEINS) += ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o
+obj-$(CONFIG_BCM47XX) += pci-bcm47xx.o
#
# These are still pretty much in the old state, watch, go blind.
diff --git a/arch/mips/pci/pci-bcm47xx.c b/arch/mips/pci/pci-bcm47xx.c
new file mode 100644
index 0000000..64ccb4f
--- /dev/null
+++ b/arch/mips/pci/pci-bcm47xx.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2008 Michael Buesch <mb@...sch.de>
+ * Copyright (C) 2008 Aurelien Jarno <aurelien@...el32.net>
+ *
+ * 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 SOFTWARE IS PROVIDED ``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 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.
+ *
+ * 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.
+ */
+
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/ssb/ssb.h>
+
+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int res;
+
+ res = ssb_pcibios_map_irq(dev, slot, pin);
+ if (res < 0) {
+ printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
+ dev->dev.bus_id);
+ return 0;
+ }
+ /* IRQ-0 and IRQ-1 are software interrupts. */
+ WARN_ON((res == 0) || (res == 1));
+
+ return res;
+}
+
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ int err;
+
+ err = ssb_pcibios_plat_dev_init(dev);
+ if (err) {
+ printk(KERN_ALERT "PCI: Failed to init device %s\n",
+ pci_name(dev));
+ }
+
+ return err;
+}
+
--
1.5.5
--
.''`. Aurelien Jarno | GPG: 1024D/F1BCDB73
: :' : Debian developer | Electrical Engineer
`. `' aurel32@...ian.org | aurelien@...el32.net
`- people.debian.org/~aurel32 | www.aurel32.net
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