Initial commit: OpenHarmony-v4.0-ReleaseOpenHarmony-v4.0-Release

1 files changed, 104 insertions, 0 deletions

diff --git a/arch/mips/pci/pci-bcm47xx.c b/arch/mips/pci/pci-bcm47xx.c
new file mode 100644
index 000000000..230d7dd27
--- /dev/null
+++ b/arch/mips/pci/pci-bcm47xx.c
@@ -0,0 +1,104 @@
+/*
+ *  Copyright (C) 2008 Aurelien Jarno <aurelien@aurel32.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>
+#include <linux/bcma/bcma.h>
+#include <bcm47xx.h>
+
+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+        return 0;
+}
+
+#ifdef CONFIG_BCM47XX_SSB
+static int bcm47xx_pcibios_plat_dev_init_ssb(struct pci_dev *dev)
+{
+        int res;
+        u8 slot, pin;
+
+        res = ssb_pcibios_plat_dev_init(dev);
+        if (res < 0) {
+                printk(KERN_ALERT "PCI: Failed to init device %s\n",
+                       pci_name(dev));
+                return res;
+        }
+
+        pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+        slot = PCI_SLOT(dev->devfn);
+        res = ssb_pcibios_map_irq(dev, slot, pin);
+
+        /* IRQ-0 and IRQ-1 are software interrupts. */
+        if (res < 2) {
+                printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
+                       pci_name(dev));
+                return res;
+        }
+
+        dev->irq = res;
+        return 0;
+}
+#endif
+
+#ifdef CONFIG_BCM47XX_BCMA
+static int bcm47xx_pcibios_plat_dev_init_bcma(struct pci_dev *dev)
+{
+        int res;
+
+        res = bcma_core_pci_plat_dev_init(dev);
+        if (res < 0) {
+                printk(KERN_ALERT "PCI: Failed to init device %s\n",
+                       pci_name(dev));
+                return res;
+        }
+
+        res = bcma_core_pci_pcibios_map_irq(dev);
+
+        /* IRQ-0 and IRQ-1 are software interrupts. */
+        if (res < 2) {
+                printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
+                       pci_name(dev));
+                return res;
+        }
+
+        dev->irq = res;
+        return 0;
+}
+#endif
+
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+#ifdef CONFIG_BCM47XX_SSB
+        if (bcm47xx_bus_type ==  BCM47XX_BUS_TYPE_SSB)
+                return bcm47xx_pcibios_plat_dev_init_ssb(dev);
+        else
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+        if  (bcm47xx_bus_type ==  BCM47XX_BUS_TYPE_BCMA)
+                return bcm47xx_pcibios_plat_dev_init_bcma(dev);
+        else
+#endif
+                return 0;
+}