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Diffstat (limited to 'arch/sh/drivers/pci/fixups-sdk7780.c')
-rw-r--r--arch/sh/drivers/pci/fixups-sdk7780.c63
1 files changed, 28 insertions, 35 deletions
diff --git a/arch/sh/drivers/pci/fixups-sdk7780.c b/arch/sh/drivers/pci/fixups-sdk7780.c
index 2f8863099dd1..250b0edd7365 100644
--- a/arch/sh/drivers/pci/fixups-sdk7780.c
+++ b/arch/sh/drivers/pci/fixups-sdk7780.c
@@ -5,55 +5,48 @@
5 * 5 *
6 * Copyright (C) 2003 Lineo uSolutions, Inc. 6 * Copyright (C) 2003 Lineo uSolutions, Inc.
7 * Copyright (C) 2004 - 2006 Paul Mundt 7 * Copyright (C) 2004 - 2006 Paul Mundt
8 * Copyright (C) 2006 Nobuhiro Iwamatsu
8 * 9 *
9 * This file is subject to the terms and conditions of the GNU General Public 10 * 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 * License. See the file "COPYING" in the main directory of this archive
11 * for more details. 12 * for more details.
12 */ 13 */
13#include <linux/pci.h> 14#include <linux/pci.h>
15#include <linux/io.h>
14#include "pci-sh4.h" 16#include "pci-sh4.h"
15#include <asm/io.h>
16 17
17int pci_fixup_pcic(void) 18/* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */
19static char sdk7780_irq_tab[4][16] __initdata = {
20 /* INTA */
21 { 65, 68, 67, 68, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
22 /* INTB */
23 { 66, 65, -1, 65, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
24 /* INTC */
25 { 67, 66, -1, 66, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
26 /* INTD */
27 { 68, 67, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
28};
29
30int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
31{
32 return sdk7780_irq_tab[pin-1][slot];
33}
34int pci_fixup_pcic(struct pci_channel *chan)
18{ 35{
19 ctrl_outl(0x00000001, SH7780_PCI_VCR2);
20
21 /* Enable all interrupts, so we know what to fix */ 36 /* Enable all interrupts, so we know what to fix */
22 pci_write_reg(0x0000C3FF, SH7780_PCIIMR); 37 pci_write_reg(chan, 0x0000C3FF, SH7780_PCIIMR);
23 pci_write_reg(0x0000380F, SH7780_PCIAINTM);
24 38
25 /* Set up standard PCI config registers */ 39 /* Set up standard PCI config registers */
26 pci_write_reg(0xFB00, SH7780_PCISTATUS); 40 pci_write_reg(chan, 0x08000000, SH7780_PCIMBAR0); /* PCI */
27 pci_write_reg(0x0047, SH7780_PCICMD); 41 pci_write_reg(chan, 0x08000000, SH4_PCILAR0); /* SHwy */
28 pci_write_reg(0x00, SH7780_PCIPIF); 42 pci_write_reg(chan, 0x07F00001, SH4_PCILSR0); /* size 128M w/ MBAR */
29 pci_write_reg(0x00, SH7780_PCISUB);
30 pci_write_reg(0x06, SH7780_PCIBCC);
31 pci_write_reg(0x1912, SH7780_PCISVID);
32 pci_write_reg(0x0001, SH7780_PCISID);
33
34 pci_write_reg(0x08000000, SH7780_PCIMBAR0); /* PCI */
35 pci_write_reg(0x08000000, SH7780_PCILAR0); /* SHwy */
36 pci_write_reg(0x07F00001, SH7780_PCILSR); /* size 128M w/ MBAR */
37
38 pci_write_reg(0x00000000, SH7780_PCIMBAR1);
39 pci_write_reg(0x00000000, SH7780_PCILAR1);
40 pci_write_reg(0x00000000, SH7780_PCILSR1);
41
42 pci_write_reg(0xAB000801, SH7780_PCIIBAR);
43
44 /*
45 * Set the MBR so PCI address is one-to-one with window,
46 * meaning all calls go straight through... use ifdef to
47 * catch erroneous assumption.
48 */
49 pci_write_reg(0xFD000000 , SH7780_PCIMBR0);
50 pci_write_reg(0x00FC0000 , SH7780_PCIMBMR0); /* 16M */
51 43
52 /* Set IOBR for window containing area specified in pci.h */ 44 pci_write_reg(chan, 0x00000000, SH7780_PCIMBAR1);
53 pci_write_reg(PCIBIOS_MIN_IO & ~(SH7780_PCI_IO_SIZE-1), SH7780_PCIIOBR); 45 pci_write_reg(chan, 0x00000000, SH4_PCILAR1);
54 pci_write_reg((SH7780_PCI_IO_SIZE-1) & (7 << 18), SH7780_PCIIOBMR); 46 pci_write_reg(chan, 0x00000000, SH4_PCILSR1);
55 47
56 pci_write_reg(0xA5000C01, SH7780_PCICR); 48 pci_write_reg(chan, 0xAB000801, SH7780_PCIIBAR);
49 pci_write_reg(chan, 0xA5000C01, SH4_PCICR);
57 50
58 return 0; 51 return 0;
59} 52}