mirror of https://gitee.com/openkylin/linux.git
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/*
|
|
* linux/arch/sh/drivers/pci/ops-se7780.c
|
|
*
|
|
* Copyright (C) 2006 Nobuhiro Iwamatsu
|
|
*
|
|
* PCI initialization for the Hitachi UL Solution Engine 7780SE03
|
|
*
|
|
* May be copied or modified under the terms of the GNU General Public
|
|
* License. See linux/COPYING for more information.
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
#include <linux/init.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/pci.h>
|
|
#include <mach-se/mach/se7780.h>
|
|
#include <asm/io.h>
|
|
#include "pci-sh4.h"
|
|
|
|
/*
|
|
* IDSEL = AD16 PCI slot
|
|
* IDSEL = AD17 PCI slot
|
|
* IDSEL = AD18 Serial ATA Controller (Silicon Image SiL3512A)
|
|
* IDSEL = AD19 USB Host Controller (NEC uPD7210100A)
|
|
*/
|
|
|
|
/* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */
|
|
static char se7780_irq_tab[4][16] __initdata = {
|
|
/* INTA */
|
|
{ 65, 68, 67, 68, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
/* INTB */
|
|
{ 66, 65, -1, 65, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
/* INTC */
|
|
{ 67, 66, -1, 66, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
/* INTD */
|
|
{ 68, 67, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
};
|
|
|
|
int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
|
|
{
|
|
return se7780_irq_tab[pin-1][slot];
|
|
}
|
|
|
|
static struct resource se7780_io_resource = {
|
|
.name = "SH7780_IO",
|
|
.start = SH7780_PCI_IO_BASE,
|
|
.end = SH7780_PCI_IO_BASE + SH7780_PCI_IO_SIZE - 1,
|
|
.flags = IORESOURCE_IO
|
|
};
|
|
|
|
static struct resource se7780_mem_resource = {
|
|
.name = "SH7780_mem",
|
|
.start = SH7780_PCI_MEMORY_BASE,
|
|
.end = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1,
|
|
.flags = IORESOURCE_MEM
|
|
};
|
|
|
|
extern struct pci_ops se7780_pci_ops;
|
|
|
|
struct pci_channel board_pci_channels[] = {
|
|
{ &sh4_pci_ops, &se7780_io_resource, &se7780_mem_resource, 0, 0xff },
|
|
{ NULL, NULL, NULL, 0, 0 },
|
|
};
|
|
EXPORT_SYMBOL(board_pci_channels);
|
|
|
|
static struct sh4_pci_address_map se7780_pci_map = {
|
|
.window0 = {
|
|
.base = SH7780_CS2_BASE_ADDR,
|
|
.size = 0x04000000,
|
|
},
|
|
.flags = SH4_PCIC_NO_RESET,
|
|
};
|
|
|
|
int __init pcibios_init_platform(void)
|
|
{
|
|
printk("SH7780 PCI: Finished initialization of the PCI controller\n");
|
|
|
|
/*
|
|
* FPGA PCISEL register initialize
|
|
*
|
|
* CPU || SLOT1 | SLOT2 | S-ATA | USB
|
|
* -------------------------------------
|
|
* INTA || INTA | INTD | -- | INTB
|
|
* -------------------------------------
|
|
* INTB || INTB | INTA | -- | INTC
|
|
* -------------------------------------
|
|
* INTC || INTC | INTB | INTA | --
|
|
* -------------------------------------
|
|
* INTD || INTD | INTC | -- | INTA
|
|
* -------------------------------------
|
|
*/
|
|
ctrl_outw(0x0013, FPGA_PCI_INTSEL1);
|
|
ctrl_outw(0xE402, FPGA_PCI_INTSEL2);
|
|
|
|
return sh7780_pcic_init(&se7780_pci_map);
|
|
}
|