1 /* 2 * arch/sh/drivers/pci/fixups-sdk7780.c 3 * 4 * PCI fixups for the SDK7780SE03 5 * 6 * Copyright (C) 2003 Lineo uSolutions, Inc. 7 * Copyright (C) 2004 - 2006 Paul Mundt 8 * Copyright (C) 2006 Nobuhiro Iwamatsu 9 * 10 * This file is subject to the terms and conditions of the GNU General Public 11 * License. See the file "COPYING" in the main directory of this archive 12 * for more details. 13 */ 14 #include <linux/pci.h> 15 #include <linux/io.h> 16 #include "pci-sh4.h" 17 18 /* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */ 19 static char sdk7780_irq_tab[4][16] __initdata = { 20 /* INTA */ 21 { 65, 68, 67, 68, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, 22 /* INTB */ 23 { 66, 65, -1, 65, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, 24 /* INTC */ 25 { 67, 66, -1, 66, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, 26 /* INTD */ 27 { 68, 67, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, 28 }; 29 30 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin) 31 { 32 return sdk7780_irq_tab[pin-1][slot]; 33 } 34 int pci_fixup_pcic(struct pci_channel *chan) 35 { 36 /* Enable all interrupts, so we know what to fix */ 37 pci_write_reg(chan, 0x0000C3FF, SH7780_PCIIMR); 38 39 /* Set up standard PCI config registers */ 40 pci_write_reg(chan, 0x08000000, SH7780_PCIMBAR0); /* PCI */ 41 pci_write_reg(chan, 0x08000000, SH4_PCILAR0); /* SHwy */ 42 pci_write_reg(chan, 0x07F00001, SH4_PCILSR0); /* size 128M w/ MBAR */ 43 44 pci_write_reg(chan, 0x00000000, SH7780_PCIMBAR1); 45 pci_write_reg(chan, 0x00000000, SH4_PCILAR1); 46 pci_write_reg(chan, 0x00000000, SH4_PCILSR1); 47 48 pci_write_reg(chan, 0xAB000801, SH7780_PCIIBAR); 49 pci_write_reg(chan, 0xA5000C01, SH4_PCICR); 50 51 return 0; 52 } 53