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Release 4.14 arch/mips/pci/pci-tx4939.c

Directory: arch/mips/pci
/*
 * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Atsushi Nemoto11897.52%150.00%
Geert Uytterhoeven32.48%150.00%
Total121100.00%2100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Atsushi Nemoto43100.00%1100.00%
Total43100.00%1100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Atsushi Nemoto96100.00%1100.00%
Total96100.00%1100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Atsushi Nemoto110100.00%1100.00%
Total110100.00%1100.00%


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"); }

Contributors

PersonTokensPropCommitsCommitProp
Atsushi Nemoto3294.12%133.33%
Yong Zhang12.94%133.33%
Joe Perches12.94%133.33%
Total34100.00%3100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Atsushi Nemoto41798.58%120.00%
Geert Uytterhoeven30.71%120.00%
Ralf Bächle10.24%120.00%
Joe Perches10.24%120.00%
Yong Zhang10.24%120.00%
Total423100.00%5100.00%
Directory: arch/mips/pci
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