satip-axe/kernel/arch/sh/boards/mach-mb374/setup.c
2015-03-26 17:24:57 +01:00

88 lines
1.5 KiB
C

/*
* arch/sh/boards/mb374/setup.c
*
* Copyright (C) 2001 Stuart Menefy (stuart.menefy@st.com)
*
* May be copied or modified under the terms of the GNU General Public
* License. See linux/COPYING for more information.
*
* STMicroelectronics ST40RA/ST40STB1 Starter support.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <asm/io.h>
#include <mach/epld.h>
#include "../../../drivers/pci/pci-st40.h"
/*
* Initialize the board
*/
void __init mb374_setup(char **cmdline_p)
{
unsigned char version;
version = ctrl_inl(EPLD_REVID) & 0xff;
printk("STMicroelectronics ST40 Starter initialisation\n");
printk("EPLD version: %d.%02d\n",(version >> 4) & 0xf, version & 0xf);
/* Currently all STB1 chips have problems with the sleep instruction,
* so disable it here.
*/
disable_hlt();
}
#ifdef CONFIG_PCI
int pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
int irq=-1;
pr_debug("%s: slot %d, pin %d\n", __FUNCTION__, slot, pin);
switch(slot) {
case 1:
irq=0;
break;
case 2:
irq=3;
break;
case 3:
irq=1;
break;
case 4:
irq=2;
break;
}
/* Are we asking for a known slot ? */
if(irq==-1) return -1;
if(pin==1) return irq;
/* if INTB/C/D h then this can only come from the PCI add in slot */
if(slot!=1) return -1;
/* An INTB,INTC,INTD - these are commoned up */
switch(pin) {
case 2:
irq=4;
break;
case 3:
irq=5;
break;
case 4:
irq=7;
break;
default:
irq=-1;
break;
}
return irq;
}
#endif