diff options
Diffstat (limited to 'arch/mips/pci/pci-tx4939.c')
-rw-r--r-- | arch/mips/pci/pci-tx4939.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/arch/mips/pci/pci-tx4939.c b/arch/mips/pci/pci-tx4939.c deleted file mode 100644 index 09a65f7dbe7c..000000000000 --- a/arch/mips/pci/pci-tx4939.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Based on linux/arch/mips/txx9/rbtx4939/setup.c, - * and RBTX49xx patch from CELF patch archive. - * - * Copyright 2001, 2003-2005 MontaVista Software Inc. - * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) - * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007 - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <asm/txx9/generic.h> -#include <asm/txx9/tx4939.h> - -int __init tx4939_report_pciclk(void) -{ - int pciclk = 0; - - pr_info("PCIC --%s PCICLK:", - (__raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_PCI66) ? - " PCI66" : ""); - if (__raw_readq(&tx4939_ccfgptr->pcfg) & TX4939_PCFG_PCICLKEN_ALL) { - pciclk = txx9_master_clock * 20 / 6; - if (!(__raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_PCI66)) - pciclk /= 2; - pr_cont("Internal(%u.%uMHz)", - (pciclk + 50000) / 1000000, - ((pciclk + 50000) / 100000) % 10); - } else { - pr_cont("External"); - pciclk = -1; - } - pr_cont("\n"); - return pciclk; -} - -void __init tx4939_report_pci1clk(void) -{ - unsigned int pciclk = txx9_master_clock * 20 / 6; - - pr_info("PCIC1 -- PCICLK:%u.%uMHz\n", - (pciclk + 50000) / 1000000, - ((pciclk + 50000) / 100000) % 10); -} - -int tx4939_pcic1_map_irq(const struct pci_dev *dev, u8 slot) -{ - if (get_tx4927_pcicptr(dev->bus->sysdata) == tx4939_pcic1ptr) { - switch (slot) { - case TX4927_PCIC_IDSEL_AD_TO_SLOT(31): - if (__raw_readq(&tx4939_ccfgptr->pcfg) & - TX4939_PCFG_ET0MODE) - return TXX9_IRQ_BASE + TX4939_IR_ETH(0); - break; - case TX4927_PCIC_IDSEL_AD_TO_SLOT(30): - if (__raw_readq(&tx4939_ccfgptr->pcfg) & - TX4939_PCFG_ET1MODE) - return TXX9_IRQ_BASE + TX4939_IR_ETH(1); - break; - } - return 0; - } - return -1; -} - -int tx4939_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int irq = tx4939_pcic1_map_irq(dev, slot); - - if (irq >= 0) - return irq; - irq = pin; - /* IRQ rotation */ - irq--; /* 0-3 */ - irq = (irq + 33 - slot) % 4; - irq++; /* 1-4 */ - - switch (irq) { - case 1: - irq = TXX9_IRQ_BASE + TX4939_IR_INTA; - break; - case 2: - irq = TXX9_IRQ_BASE + TX4939_IR_INTB; - break; - case 3: - irq = TXX9_IRQ_BASE + TX4939_IR_INTC; - break; - case 4: - irq = TXX9_IRQ_BASE + TX4939_IR_INTD; - break; - } - return irq; -} - -void __init tx4939_setup_pcierr_irq(void) -{ - if (request_irq(TXX9_IRQ_BASE + TX4939_IR_PCIERR, - tx4927_pcierr_interrupt, - 0, "PCI error", - (void *)TX4939_PCIC_REG)) - pr_warn("Failed to request irq for PCIERR\n"); -} |