kernel-ark/arch/sh/drivers/pci/fixups-lboxre2.c
Nobuhiro Iwamatsu c86c5a9104 sh: L-BOX RE2 support.
This adds support for the L-BOX RE2 router.

	http://www.nttcom.co.jp/l-box/

L-BOX RE2 is a SH7751R-based router. It has CF, Cardbus, serial,
and LAN x2. This is one of the very few SH boards that a general
person can obtain now.

The L-BOX shipped with a 2.4.28 kernel, this is a rewritten patch
adding it to current git.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-05-07 02:10:54 +00:00

42 lines
1.1 KiB
C

/*
* arch/sh/drivers/pci/fixups-lboxre2.c
*
* L-BOX RE2 PCI fixups
*
* 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 "pci-sh4.h"
#define PCIMCR_MRSET_OFF 0xBFFFFFFF
#define PCIMCR_RFSH_OFF 0xFFFFFFFB
int pci_fixup_pcic(void)
{
unsigned long bcr1, mcr;
bcr1 = inl(SH7751_BCR1);
bcr1 |= 0x40080000; /* Enable Bit 19 BREQEN, set PCIC to slave */
pci_write_reg(bcr1, SH4_PCIBCR1);
/* Enable all interrupts, so we known what to fix */
pci_write_reg(0x0000c3ff, SH4_PCIINTM);
pci_write_reg(0x0000380f, SH4_PCIAINTM);
pci_write_reg(0xfb900047, SH7751_PCICONF1);
pci_write_reg(0xab000001, SH7751_PCICONF4);
mcr = inl(SH7751_MCR);
mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF;
pci_write_reg(mcr, SH4_PCIMCR);
pci_write_reg(0x0c000000, SH7751_PCICONF5);
pci_write_reg(0xd0000000, SH7751_PCICONF6);
pci_write_reg(0x0c000000, SH4_PCILAR0);
pci_write_reg(0x00000000, SH4_PCILAR1);
return 0;
}