141 lines
4.0 KiB
C
141 lines
4.0 KiB
C
/*
|
|
* Pb1550 board platform device registration
|
|
*
|
|
* Copyright (C) 2009 Manuel Lauss
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <asm/mach-au1x00/au1000.h>
|
|
#include <asm/mach-au1x00/au1xxx_dbdma.h>
|
|
#include <asm/mach-pb1x00/pb1550.h>
|
|
#include <asm/mach-db1x00/bcsr.h>
|
|
|
|
#include "../platform.h"
|
|
|
|
static int pb1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
|
|
{
|
|
if ((slot < 12) || (slot > 13) || pin == 0)
|
|
return -1;
|
|
if (slot == 12) {
|
|
switch (pin) {
|
|
case 1: return AU1500_PCI_INTB;
|
|
case 2: return AU1500_PCI_INTC;
|
|
case 3: return AU1500_PCI_INTD;
|
|
case 4: return AU1500_PCI_INTA;
|
|
}
|
|
}
|
|
if (slot == 13) {
|
|
switch (pin) {
|
|
case 1: return AU1500_PCI_INTA;
|
|
case 2: return AU1500_PCI_INTB;
|
|
case 3: return AU1500_PCI_INTC;
|
|
case 4: return AU1500_PCI_INTD;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static struct resource alchemy_pci_host_res[] = {
|
|
[0] = {
|
|
.start = AU1500_PCI_PHYS_ADDR,
|
|
.end = AU1500_PCI_PHYS_ADDR + 0xfff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct alchemy_pci_platdata pb1550_pci_pd = {
|
|
.board_map_irq = pb1550_map_pci_irq,
|
|
};
|
|
|
|
static struct platform_device pb1550_pci_host = {
|
|
.dev.platform_data = &pb1550_pci_pd,
|
|
.name = "alchemy-pci",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(alchemy_pci_host_res),
|
|
.resource = alchemy_pci_host_res,
|
|
};
|
|
|
|
static struct resource au1550_psc2_res[] = {
|
|
[0] = {
|
|
.start = AU1550_PSC2_PHYS_ADDR,
|
|
.end = AU1550_PSC2_PHYS_ADDR + 0xfff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = AU1550_PSC2_INT,
|
|
.end = AU1550_PSC2_INT,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
[2] = {
|
|
.start = AU1550_DSCR_CMD0_PSC2_TX,
|
|
.end = AU1550_DSCR_CMD0_PSC2_TX,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
[3] = {
|
|
.start = AU1550_DSCR_CMD0_PSC2_RX,
|
|
.end = AU1550_DSCR_CMD0_PSC2_RX,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
};
|
|
|
|
static struct platform_device pb1550_i2c_dev = {
|
|
.name = "au1xpsc_smbus",
|
|
.id = 0, /* bus number */
|
|
.num_resources = ARRAY_SIZE(au1550_psc2_res),
|
|
.resource = au1550_psc2_res,
|
|
};
|
|
|
|
static int __init pb1550_dev_init(void)
|
|
{
|
|
int swapped;
|
|
|
|
/* Pb1550, like all others, also has statuschange irqs; however they're
|
|
* wired up on one of the Au1550's shared GPIO201_205 line, which also
|
|
* services the PCMCIA card interrupts. So we ignore statuschange and
|
|
* use the GPIO201_205 exclusively for card interrupts, since a) pcmcia
|
|
* drivers are used to shared irqs and b) statuschange isn't really use-
|
|
* ful anyway.
|
|
*/
|
|
db1x_register_pcmcia_socket(
|
|
AU1000_PCMCIA_ATTR_PHYS_ADDR,
|
|
AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
|
|
AU1000_PCMCIA_MEM_PHYS_ADDR,
|
|
AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1,
|
|
AU1000_PCMCIA_IO_PHYS_ADDR,
|
|
AU1000_PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1,
|
|
AU1550_GPIO201_205_INT, AU1550_GPIO0_INT, 0, 0, 0);
|
|
|
|
db1x_register_pcmcia_socket(
|
|
AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
|
|
AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
|
|
AU1000_PCMCIA_MEM_PHYS_ADDR + 0x008000000,
|
|
AU1000_PCMCIA_MEM_PHYS_ADDR + 0x008400000 - 1,
|
|
AU1000_PCMCIA_IO_PHYS_ADDR + 0x008000000,
|
|
AU1000_PCMCIA_IO_PHYS_ADDR + 0x008010000 - 1,
|
|
AU1550_GPIO201_205_INT, AU1550_GPIO1_INT, 0, 0, 1);
|
|
|
|
swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_PB1550_SWAPBOOT;
|
|
db1x_register_norflash(128 * 1024 * 1024, 4, swapped);
|
|
platform_device_register(&pb1550_pci_host);
|
|
platform_device_register(&pb1550_i2c_dev);
|
|
|
|
return 0;
|
|
}
|
|
arch_initcall(pb1550_dev_init);
|