sh: remove unnecessary memset after alloc_bootmem_low_pages
[linux-2.6] / arch / sh / drivers / pci / fixups-r7780rp.c
1 /*
2  * arch/sh/drivers/pci/fixups-r7780rp.c
3  *
4  * Highlander R7780RP-1 PCI fixups
5  *
6  * Copyright (C) 2003  Lineo uSolutions, Inc.
7  * Copyright (C) 2004 - 2006  Paul Mundt
8  *
9  * This file is subject to the terms and conditions of the GNU General Public
10  * License.  See the file "COPYING" in the main directory of this archive
11  * for more details.
12  */
13 #include <linux/pci.h>
14 #include "pci-sh4.h"
15 #include <asm/io.h>
16
17 int pci_fixup_pcic(void)
18 {
19         pci_write_reg(0x000043ff, SH4_PCIINTM);
20         pci_write_reg(0x0000380f, SH4_PCIAINTM);
21
22         pci_write_reg(0xfbb00047, SH7780_PCICMD);
23         pci_write_reg(0x00000000, SH7780_PCIIBAR);
24
25         pci_write_reg(0x00011912, SH7780_PCISVID);
26         pci_write_reg(0x08000000, SH7780_PCICSCR0);
27         pci_write_reg(0x0000001b, SH7780_PCICSAR0);
28         pci_write_reg(0xfd000000, SH7780_PCICSCR1);
29         pci_write_reg(0x0000000f, SH7780_PCICSAR1);
30
31         pci_write_reg(0xfd000000, SH7780_PCIMBR0);
32         pci_write_reg(0x00fc0000, SH7780_PCIMBMR0);
33
34 #ifdef CONFIG_32BIT
35         pci_write_reg(0xc0000000, SH7780_PCIMBR2);
36         pci_write_reg(0x20000000 - SH7780_PCI_IO_SIZE, SH7780_PCIMBMR2);
37 #endif
38
39         /* Set IOBR for windows containing area specified in pci.h */
40         pci_write_reg((PCIBIOS_MIN_IO & ~(SH7780_PCI_IO_SIZE - 1)),
41                       SH7780_PCIIOBR);
42         pci_write_reg(((SH7780_PCI_IO_SIZE-1) & (7<<18)), SH7780_PCIIOBMR);
43
44         return 0;
45 }