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/*
* The setup file for ethernet related hardware on PMC-Sierra MSP processors.
*
* Copyright 2010 PMC-Sierra, Inc.
*
* 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* 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.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <msp_regs.h>
#include <msp_int.h>
#include <msp_gpio_macros.h>
#define MSP_ETHERNET_GPIO0 14
#define MSP_ETHERNET_GPIO1 15
#define MSP_ETHERNET_GPIO2 16
#ifdef CONFIG_MSP_HAS_TSMAC
#define MSP_TSMAC_SIZE 0x10020
#define MSP_TSMAC_ID "pmc_tsmac"
static struct resource msp_tsmac0_resources[] = {
[0] = {
.start = MSP_MAC0_BASE,
.end = MSP_MAC0_BASE + MSP_TSMAC_SIZE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = MSP_INT_MAC0,
.end = MSP_INT_MAC0,
.flags = IORESOURCE_IRQ,
},
};
static struct resource msp_tsmac1_resources[] = {
[0] = {
.start = MSP_MAC1_BASE,
.end = MSP_MAC1_BASE + MSP_TSMAC_SIZE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = MSP_INT_MAC1,
.end = MSP_INT_MAC1,
.flags = IORESOURCE_IRQ,
},
};
static struct resource msp_tsmac2_resources[] = {
[0] = {
.start = MSP_MAC2_BASE,
.end = MSP_MAC2_BASE + MSP_TSMAC_SIZE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = MSP_INT_SAR,
.end = MSP_INT_SAR,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device tsmac_device[] = {
[0] = {
.name = MSP_TSMAC_ID,
.id = 0,
.num_resources = ARRAY_SIZE(msp_tsmac0_resources),
.resource = msp_tsmac0_resources,
},
[1] = {
.name = MSP_TSMAC_ID,
.id = 1,
.num_resources = ARRAY_SIZE(msp_tsmac1_resources),
.resource = msp_tsmac1_resources,
},
[2] = {
.name = MSP_TSMAC_ID,
.id = 2,
.num_resources = ARRAY_SIZE(msp_tsmac2_resources),
.resource = msp_tsmac2_resources,
},
};
#define msp_eth_devs tsmac_device
#else
/* If it is not TSMAC assume MSP_ETH (100Mbps) */
#define MSP_ETH_ID "pmc_mspeth"
#define MSP_ETH_SIZE 0xE0
static struct resource msp_eth0_resources[] = {
[0] = {
.start = MSP_MAC0_BASE,
.end = MSP_MAC0_BASE + MSP_ETH_SIZE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = MSP_INT_MAC0,
.end = MSP_INT_MAC0,
.flags = IORESOURCE_IRQ,
},
};
static struct resource msp_eth1_resources[] = {
[0] = {
.start = MSP_MAC1_BASE,
.end = MSP_MAC1_BASE + MSP_ETH_SIZE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = MSP_INT_MAC1,
.end = MSP_INT_MAC1,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device mspeth_device[] = {
[0] = {
.name = MSP_ETH_ID,
.id = 0,
.num_resources = ARRAY_SIZE(msp_eth0_resources),
.resource = msp_eth0_resources,
},
[1] = {
.name = MSP_ETH_ID,
.id = 1,
.num_resources = ARRAY_SIZE(msp_eth1_resources),
.resource = msp_eth1_resources,
},
};
#define msp_eth_devs mspeth_device
#endif
int __init msp_eth_setup(void)
{
int i, ret = 0;
/* Configure the GPIO and take the ethernet PHY out of reset */
msp_gpio_pin_mode(MSP_GPIO_OUTPUT, MSP_ETHERNET_GPIO0);
msp_gpio_pin_hi(MSP_ETHERNET_GPIO0);
#ifdef CONFIG_MSP_HAS_TSMAC
/* 3 phys on boards with TSMAC */
msp_gpio_pin_mode(MSP_GPIO_OUTPUT, MSP_ETHERNET_GPIO1);
msp_gpio_pin_hi(MSP_ETHERNET_GPIO1);
msp_gpio_pin_mode(MSP_GPIO_OUTPUT, MSP_ETHERNET_GPIO2);
msp_gpio_pin_hi(MSP_ETHERNET_GPIO2);
#endif
for (i = 0; i < ARRAY_SIZE(msp_eth_devs); i++) {
ret = platform_device_register(&msp_eth_devs[i]);
printk(KERN_INFO "device: %d, return value = %d\n", i, ret);
if (ret) {
platform_device_unregister(&msp_eth_devs[i]);
break;
}
}
if (ret)
printk(KERN_WARNING "Could not initialize "
"MSPETH device structures.\n");
return ret;
}
subsys_initcall(msp_eth_setup);
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