From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/sh/drivers/pci/fixups-landisk.c | 58 ++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 arch/sh/drivers/pci/fixups-landisk.c (limited to 'arch/sh/drivers/pci/fixups-landisk.c') diff --git a/arch/sh/drivers/pci/fixups-landisk.c b/arch/sh/drivers/pci/fixups-landisk.c new file mode 100644 index 00000000..ecb1d106 --- /dev/null +++ b/arch/sh/drivers/pci/fixups-landisk.c @@ -0,0 +1,58 @@ +/* + * arch/sh/drivers/pci/fixups-landisk.c + * + * PCI initialization for the I-O DATA Device, Inc. LANDISK board + * + * Copyright (C) 2006 kogiidena + * Copyright (C) 2010 Nobuhiro Iwamatsu + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + */ +#include +#include +#include +#include +#include +#include "pci-sh4.h" + +#define PCIMCR_MRSET_OFF 0xBFFFFFFF +#define PCIMCR_RFSH_OFF 0xFFFFFFFB + +int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) +{ + /* + * slot0: pin1-4 = irq5,6,7,8 + * slot1: pin1-4 = irq6,7,8,5 + * slot2: pin1-4 = irq7,8,5,6 + * slot3: pin1-4 = irq8,5,6,7 + */ + int irq = ((slot + pin - 1) & 0x3) + 5; + + if ((slot | (pin - 1)) > 0x3) { + printk(KERN_WARNING "PCI: Bad IRQ mapping request for slot %d pin %c\n", + slot, pin - 1 + 'A'); + return -1; + } + return irq; +} + +int pci_fixup_pcic(struct pci_channel *chan) +{ + unsigned long bcr1, mcr; + + bcr1 = __raw_readl(SH7751_BCR1); + bcr1 |= 0x40080000; /* Enable Bit 19 BREQEN, set PCIC to slave */ + pci_write_reg(chan, bcr1, SH4_PCIBCR1); + + mcr = __raw_readl(SH7751_MCR); + mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF; + pci_write_reg(chan, mcr, SH4_PCIMCR); + + pci_write_reg(chan, 0x0c000000, SH7751_PCICONF5); + pci_write_reg(chan, 0xd0000000, SH7751_PCICONF6); + pci_write_reg(chan, 0x0c000000, SH4_PCILAR0); + pci_write_reg(chan, 0x00000000, SH4_PCILAR1); + + return 0; +} -- cgit