This source file includes following definitions.
- pcibios_map_platform_irq
- pci_fixup_pcic
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10 #include <linux/kernel.h>
11 #include <linux/types.h>
12 #include <linux/init.h>
13 #include <linux/delay.h>
14 #include <linux/pci.h>
15 #include <linux/sh_intc.h>
16 #include "pci-sh4.h"
17
18 #define PCIMCR_MRSET_OFF 0xBFFFFFFF
19 #define PCIMCR_RFSH_OFF 0xFFFFFFFB
20
21 int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
22 {
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29 int irq = ((slot + pin - 1) & 0x3) + evt2irq(0x2a0);
30
31 if ((slot | (pin - 1)) > 0x3) {
32 printk(KERN_WARNING "PCI: Bad IRQ mapping request for slot %d pin %c\n",
33 slot, pin - 1 + 'A');
34 return -1;
35 }
36 return irq;
37 }
38
39 int pci_fixup_pcic(struct pci_channel *chan)
40 {
41 unsigned long bcr1, mcr;
42
43 bcr1 = __raw_readl(SH7751_BCR1);
44 bcr1 |= 0x40080000;
45 pci_write_reg(chan, bcr1, SH4_PCIBCR1);
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47 mcr = __raw_readl(SH7751_MCR);
48 mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF;
49 pci_write_reg(chan, mcr, SH4_PCIMCR);
50
51 pci_write_reg(chan, 0x0c000000, SH7751_PCICONF5);
52 pci_write_reg(chan, 0xd0000000, SH7751_PCICONF6);
53 pci_write_reg(chan, 0x0c000000, SH4_PCILAR0);
54 pci_write_reg(chan, 0x00000000, SH4_PCILAR1);
55
56 return 0;
57 }