68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
|
|
* arch/sh/drivers/pci/fixups-rts7751r2d.c
|
|
*
|
|
* RTS7751R2D / LBOXRE2 PCI fixups
|
|
*
|
|
* Copyright (C) 2003 Lineo uSolutions, Inc.
|
|
* Copyright (C) 2004 Paul Mundt
|
|
* Copyright (C) 2007 Nobuhiro Iwamatsu
|
|
*
|
|
* 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/pci.h>
|
|
#include <mach/lboxre2.h>
|
|
#include <mach/r2d.h>
|
|
#include "pci-sh4.h"
|
|
#include <generated/machtypes.h>
|
|
|
|
#define PCIMCR_MRSET_OFF 0xBFFFFFFF
|
|
#define PCIMCR_RFSH_OFF 0xFFFFFFFB
|
|
|
|
static u8 rts7751r2d_irq_tab[] = {
|
|
IRQ_PCI_INTA,
|
|
IRQ_PCI_INTB,
|
|
IRQ_PCI_INTC,
|
|
IRQ_PCI_INTD,
|
|
};
|
|
|
|
static char lboxre2_irq_tab[] = {
|
|
IRQ_ETH0, IRQ_ETH1, IRQ_INTA, IRQ_INTD,
|
|
};
|
|
|
|
int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
|
|
{
|
|
if (mach_is_lboxre2())
|
|
return lboxre2_irq_tab[slot];
|
|
else
|
|
return rts7751r2d_irq_tab[slot];
|
|
}
|
|
|
|
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);
|
|
|
|
/* Enable all interrupts, so we known what to fix */
|
|
pci_write_reg(chan, 0x0000c3ff, SH4_PCIINTM);
|
|
pci_write_reg(chan, 0x0000380f, SH4_PCIAINTM);
|
|
|
|
pci_write_reg(chan, 0xfb900047, SH7751_PCICONF1);
|
|
pci_write_reg(chan, 0xab000001, SH7751_PCICONF4);
|
|
|
|
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;
|
|
}
|