linux-stable-rt/arch/ppc/platforms/4xx/cpci405.c

85 lines
2.1 KiB
C
Raw Normal View History

/*
* arch/ppc/platforms/cpci405.c
*
* Board setup routines for the esd CPCI-405 cPCI Board.
*
* Author: Stefan Roese
* stefan.roese@esd-electronics.com
*
* Copyright 2001 esd electronic system design - hannover germany
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <asm/system.h>
#include <asm/pci-bridge.h>
#include <asm/machdep.h>
#include <asm/todc.h>
#include <asm/ocp.h>
void *cpci405_nvram;
/*
* Some IRQs unique to CPCI-405.
*/
int __init
ppc405_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
{
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{28, 28, 28, 28}, /* IDSEL 15 - cPCI slot 8 */
{29, 29, 29, 29}, /* IDSEL 16 - cPCI slot 7 */
{30, 30, 30, 30}, /* IDSEL 17 - cPCI slot 6 */
{27, 27, 27, 27}, /* IDSEL 18 - cPCI slot 5 */
{28, 28, 28, 28}, /* IDSEL 19 - cPCI slot 4 */
{29, 29, 29, 29}, /* IDSEL 20 - cPCI slot 3 */
{30, 30, 30, 30}, /* IDSEL 21 - cPCI slot 2 */
};
const long min_idsel = 15, max_idsel = 21, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
};
void __init
cpci405_setup_arch(void)
{
ppc4xx_setup_arch();
ibm_ocp_set_emac(0, 0);
TODC_INIT(TODC_TYPE_MK48T35, cpci405_nvram, cpci405_nvram, cpci405_nvram, 8);
}
void __init
cpci405_map_io(void)
{
ppc4xx_map_io();
cpci405_nvram = ioremap(CPCI405_NVRAM_PADDR, CPCI405_NVRAM_SIZE);
}
void __init
platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7)
{
ppc4xx_init(r3, r4, r5, r6, r7);
ppc_md.setup_arch = cpci405_setup_arch;
ppc_md.setup_io_mappings = cpci405_map_io;
ppc_md.time_init = todc_time_init;
ppc_md.set_rtc_time = todc_set_rtc_time;
ppc_md.get_rtc_time = todc_get_rtc_time;
ppc_md.nvram_read_val = todc_direct_read_val;
ppc_md.nvram_write_val = todc_direct_write_val;
}