1 /* 2 * Copyright (C) 2008 Aurelien Jarno <aurelien@aurel32.net> 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License as published by the 6 * Free Software Foundation; either version 2 of the License, or (at your 7 * option) any later version. 8 * 9 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 10 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 12 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 13 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 14 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 15 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 16 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 17 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 18 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 19 * 20 * You should have received a copy of the GNU General Public License along 21 * with this program; if not, write to the Free Software Foundation, Inc., 22 * 675 Mass Ave, Cambridge, MA 02139, USA. 23 */ 24 25 #include <linux/types.h> 26 #include <linux/pci.h> 27 #include <linux/ssb/ssb.h> 28 #include <linux/bcma/bcma.h> 29 #include <bcm47xx.h> 30 31 int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) 32 { 33 return 0; 34 } 35 36 #ifdef CONFIG_BCM47XX_SSB 37 static int bcm47xx_pcibios_plat_dev_init_ssb(struct pci_dev *dev) 38 { 39 int res; 40 u8 slot, pin; 41 42 res = ssb_pcibios_plat_dev_init(dev); 43 if (res < 0) { 44 pci_alert(dev, "PCI: Failed to init device\n"); 45 return res; 46 } 47 48 pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); 49 slot = PCI_SLOT(dev->devfn); 50 res = ssb_pcibios_map_irq(dev, slot, pin); 51 52 /* IRQ-0 and IRQ-1 are software interrupts. */ 53 if (res < 2) { 54 pci_alert(dev, "PCI: Failed to map IRQ of device\n"); 55 return res; 56 } 57 58 dev->irq = res; 59 return 0; 60 } 61 #endif 62 63 #ifdef CONFIG_BCM47XX_BCMA 64 static int bcm47xx_pcibios_plat_dev_init_bcma(struct pci_dev *dev) 65 { 66 int res; 67 68 res = bcma_core_pci_plat_dev_init(dev); 69 if (res < 0) { 70 pci_alert(dev, "PCI: Failed to init device\n"); 71 return res; 72 } 73 74 res = bcma_core_pci_pcibios_map_irq(dev); 75 76 /* IRQ-0 and IRQ-1 are software interrupts. */ 77 if (res < 2) { 78 pci_alert(dev, "PCI: Failed to map IRQ of device\n"); 79 return res; 80 } 81 82 dev->irq = res; 83 return 0; 84 } 85 #endif 86 87 int pcibios_plat_dev_init(struct pci_dev *dev) 88 { 89 #ifdef CONFIG_BCM47XX_SSB 90 if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_SSB) 91 return bcm47xx_pcibios_plat_dev_init_ssb(dev); 92 #endif 93 #ifdef CONFIG_BCM47XX_BCMA 94 if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA) 95 return bcm47xx_pcibios_plat_dev_init_bcma(dev); 96 #endif 97 return 0; 98 } 99