/*
* Buffalo Terastation Pro II/Live Board Setup
*
* Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com>
*
* 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/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <linux/mtd/physmap.h>
#include <linux/mv643xx_eth.h>
#include <linux/i2c.h>
#include <linux/serial_reg.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/pci.h>
#include <mach/orion5x.h>
#include "common.h"
#include "mpp.h"
/*****************************************************************************
* Terastation Pro 2/Live Info
****************************************************************************/
/*
* Terastation Pro 2 hardware :
* - Marvell 88F5281-D0
* - Marvell 88SX6042 SATA controller (PCI)
* - Marvell 88E1118 Gigabit Ethernet PHY
* - 256KB NOR flash
* - 128MB of DDR RAM
* - PCIe port (not equipped)
*/
/*
* 256K NOR flash Device bus boot chip select
*/
#define TSP2_NOR_BOOT_BASE 0xf4000000
#define TSP2_NOR_BOOT_SIZE SZ_256K
/*****************************************************************************
* 256KB NOR Flash on BOOT Device
****************************************************************************/
static struct physmap_flash_data tsp2_nor_flash_data = {
.width = 1,
};
static struct resource tsp2_nor_flash_resource = {
.flags = IORESOURCE_MEM,
.start = TSP2_NOR_BOOT_BASE,
.end = TSP2_NOR_BOOT_BASE + TSP2_NOR_BOOT_SIZE - 1,
};
static struct platform_device tsp2_nor_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &tsp2_nor_flash_data,
},
.num_resources = 1,
.resource = &tsp2_nor_flash_resource,
};
/*****************************************************************************
* PCI
****************************************************************************/
#define TSP2_PCI_SLOT0_OFFS 7
#define TSP2_PCI_SLOT0_IRQ_PIN 11
void __init tsp2_pci_preinit(void)
{
int pin;
/*
* Configure PCI GPIO IRQ pins
*/
pin = TSP2_PCI_SLOT0_IRQ_PIN;
if (gpio_request(pin, "PCI Int1") == 0) {
if (gpio_direction_input(pin) == 0) {
irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
} else {
printk(KERN_ERR "tsp2_pci_preinit failed "
"to set_irq_type pin %d\n", pin);
gpio_free(pin);
}
} else {
printk(KERN_ERR "tsp2_pci_preinit failed to "
"gpio_request %d\n", pin);
}
}
static int __init tsp2_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
int irq;
/*
* Check for devices with hard-wired IRQs.
*/
irq = orion5x_pci_map_irq(dev, slot, pin);
if (irq != -1)
return irq;
/*
* PCI IRQs are connected via GPIOs.
*/
if (slot == TSP2_PCI_SLOT0_OFFS)
return gpio_to_irq(TSP2_PCI_SLOT0_IRQ_PIN);
return -1;
}
static struct hw_pci tsp2_pci __initdata = {
.nr_controllers = 2,
.preinit = tsp2_pci_preinit,
.swizzle = pci_std_swizzle,
.setup = orion5x_pci_sys_setup,
.scan = orion5x_pci_sys_scan_bus,
.map_irq = tsp2_pci_map_irq,
};
static int __init tsp2_pci_init(void)
{
if (machine_is_terastation_pro2())
pci_common_init(&tsp2_pci);
return 0;
}
subsys_initcall(tsp2_pci_init);
/*****************************************************************************
* Ethernet
****************************************************************************/
static struct mv643xx_eth_platform_data tsp2_eth_data = {
.phy_addr = 0,
};
/*****************************************************************************
* RTC 5C372a on I2C bus
****************************************************************************/
#define TSP2_RTC_GPIO 9
static struct i2c_board_info __initdata tsp2_i2c_rtc = {
I2C_BOARD_INFO("rs5c372a", 0x32),
};
/*****************************************************************************
* Terastation Pro II specific power off method via UART1-attached
* microcontroller
****************************************************************************/
#define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2))
static int tsp2_miconread(unsigned char *buf, int count)
{
int i;
int timeout;
for (i = 0; i < count; i++) {
timeout = 10;
while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) {
if (--timeout == 0)
break;
udelay(1000);
}
if (timeout == 0)
break;
buf[i] = readl(UART1_REG(RX));
}
/* return read bytes */
return i;
}
static int tsp2_miconwrite(const unsigned char *buf, int count)
{
int i = 0;
while (count--) {
while (!(readl(UART1_REG(LSR)) & UART_LSR_THRE))
barrier();
writel(buf[i++], UART1_REG(TX));
}
return 0;
}
static int tsp2_miconsend(const unsigned char *data, int count)
{
int i;
unsigned char checksum = 0;
unsigned char recv_buf[40];
unsigned char send_buf[40];
unsigned char correct_ack[3];
int retry = 2;
/* Generate checksum */
for (i = 0; i < count; i++)
checksum -= data[i];
do {
/* Send data */
tsp2_miconwrite(data, count);
/* send checksum */
tsp2_miconwrite(&checksum, 1);
if (tsp2_miconread(recv_buf, sizeof(recv_buf)) <= 3) {
printk(KERN_ERR ">%s: receive failed.\n", __func__);
/* send preamble to clear the receive buffer */
memset(&send_buf, 0xff, sizeof(send_buf));
tsp2_miconwrite(send_buf, sizeof(send_buf));
/* make dummy reads */
mdelay(100);
tsp2_miconread(recv_buf, sizeof(recv_buf));
} else {
/* Generate expected ack */
correct_ack[0] = 0x01;
correct_ack[1] = data[1];
correct_ack[2] = 0x00;
/* checksum Check */
if ((recv_buf[0] + recv_buf[1] + recv_buf[2] +
recv_buf[3]) & 0xFF) {
printk(KERN_ERR ">%s: Checksum Error : "
"Received data[%02x, %02x, %02x, %02x]"
&q#! /bin/sh
# Attempt to guess a canonical system name.
# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
# 2000, 2001, 2002 Free Software Foundation, Inc.
timestamp='2002-07-23'
# This file 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# Originally written by Per Bothner <per@bothner.com>.
# Please send patches to <config-patches@gnu.org>. Submit a context
# diff and a properly formatted ChangeLog entry.
#
# This script attempts to guess a canonical system name similar to
# config.sub. If it succeeds, it prints the system name on stdout, and
# exits with 0. Otherwise, it exits with 1.
#
# The plan is that this can be called by configure scripts if you
# don't specify an explicit build system type.
me=`echo "$0" | sed -e 's,.*/,,'`
usage="\
Usage: $0 [OPTION]
Output the configuration name of the system \`$me' is run on.
Operation modes:
-h, --help print this help, then exit
-t, --time-stamp print date of last modification, then exit
-v, --version print version number, then exit
Report bugs and patches to <config-patches@gnu.org>."
version="\
GNU config.guess ($timestamp)
Originally written by Per Bothner.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
help="
Try \`$me --help' for more information."
# Parse command line
while test $# -gt 0 ; do
case $1 in
--time-stamp | --time* | -t )
echo "$timestamp" ; exit 0 ;;
--version | -v )
echo "$version" ; exit 0 ;;
--help | --h* | -h )
echo "$usage"; exit 0 ;;
-- ) # Stop option processing
shift; break ;;
- ) # Use stdin as input.
break ;;
-* )
echo "$me: 