959f85f8a3
This cleans up quite a lot of the PCI mess that we currently have, and attempts to consolidate the duplication in the SH7780 and SH7751 PCI controllers. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/*
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* Author: Ian DaSilva (idasilva@mvista.com)
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*
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* Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
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*
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* May be copied or modified under the terms of the GNU General Public
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* License. See linux/COPYING for more information.
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*
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* PCI initialization for the Renesas SH7780 Highlander R7780RP-1 board
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*/
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#include <linux/config.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/pci.h>
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#include <asm/r7780rp/r7780rp.h>
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#include <asm/io.h>
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#include "pci-sh4.h"
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int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
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{
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switch (slot) {
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case 0: return IRQ_PCISLOT1; /* PCI Interrupt #1 */
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case 1: return IRQ_PCISLOT2; /* PCI Interrupt #2 */
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case 2: return IRQ_PCISLOT3; /* PCI Interrupt #3 */
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case 3: return IRQ_PCISLOT4; /* PCI Interrupt E4 */
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default:
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printk(KERN_ERR "PCI: Bad IRQ mapping "
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"request for slot %d, func %d\n", slot, pin-1);
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return -1;
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}
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}
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static struct resource sh7780_io_resource = {
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.name = "SH7780_IO",
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.start = 0x2000,
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.end = 0x2000 + SH7780_PCI_IO_SIZE - 1,
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.flags = IORESOURCE_IO
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};
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static struct resource sh7780_mem_resource = {
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.name = "SH7780_mem",
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.start = SH7780_PCI_MEMORY_BASE,
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.end = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1,
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.flags = IORESOURCE_MEM
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};
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extern struct pci_ops sh7780_pci_ops;
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struct pci_channel board_pci_channels[] = {
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{ &sh4_pci_ops, &sh7780_io_resource, &sh7780_mem_resource, 0, 0xff },
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{ NULL, NULL, NULL, 0, 0 },
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};
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EXPORT_SYMBOL(board_pci_channels);
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static struct sh4_pci_address_map sh7780_pci_map = {
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.window0 = {
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.base = SH7780_CS2_BASE_ADDR,
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.size = 0x04000000,
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},
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.window1 = {
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.base = SH7780_CS3_BASE_ADDR,
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.size = 0x04000000,
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},
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.flags = SH4_PCIC_NO_RESET,
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};
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int __init pcibios_init_platform(void)
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{
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return sh7780_pcic_init(&sh7780_pci_map);
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}
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