| Anoop P A | ec9ac74 | 2011-01-25 23:24:09 +0530 | [diff] [blame] | 1 | /* |
| 2 | * The setup file for ethernet related hardware on PMC-Sierra MSP processors. |
| 3 | * |
| 4 | * Copyright 2010 PMC-Sierra, Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License as published by the |
| 8 | * Free Software Foundation; either version 2 of the License, or (at your |
| 9 | * option) any later version. |
| 10 | * |
| 11 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 12 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 13 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| 14 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 15 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 16 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 17 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 18 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 19 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 20 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License along |
| 23 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 24 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 25 | */ |
| 26 | |
| 27 | #include <linux/init.h> |
| 28 | #include <linux/kernel.h> |
| 29 | #include <linux/ioport.h> |
| 30 | #include <linux/platform_device.h> |
| 31 | #include <linux/delay.h> |
| 32 | #include <msp_regs.h> |
| 33 | #include <msp_int.h> |
| 34 | #include <msp_gpio_macros.h> |
| 35 | |
| 36 | |
| 37 | #define MSP_ETHERNET_GPIO0 14 |
| 38 | #define MSP_ETHERNET_GPIO1 15 |
| 39 | #define MSP_ETHERNET_GPIO2 16 |
| 40 | |
| Anoop P A | ec9ac74 | 2011-01-25 23:24:09 +0530 | [diff] [blame] | 41 | #define MSP_ETH_ID "pmc_mspeth" |
| 42 | #define MSP_ETH_SIZE 0xE0 |
| 43 | static struct resource msp_eth0_resources[] = { |
| 44 | [0] = { |
| 45 | .start = MSP_MAC0_BASE, |
| 46 | .end = MSP_MAC0_BASE + MSP_ETH_SIZE - 1, |
| 47 | .flags = IORESOURCE_MEM, |
| 48 | }, |
| 49 | [1] = { |
| 50 | .start = MSP_INT_MAC0, |
| 51 | .end = MSP_INT_MAC0, |
| 52 | .flags = IORESOURCE_IRQ, |
| 53 | }, |
| 54 | }; |
| 55 | |
| 56 | static struct resource msp_eth1_resources[] = { |
| 57 | [0] = { |
| 58 | .start = MSP_MAC1_BASE, |
| 59 | .end = MSP_MAC1_BASE + MSP_ETH_SIZE - 1, |
| 60 | .flags = IORESOURCE_MEM, |
| 61 | }, |
| 62 | [1] = { |
| 63 | .start = MSP_INT_MAC1, |
| 64 | .end = MSP_INT_MAC1, |
| 65 | .flags = IORESOURCE_IRQ, |
| 66 | }, |
| 67 | }; |
| 68 | |
| 69 | |
| 70 | |
| 71 | static struct platform_device mspeth_device[] = { |
| 72 | [0] = { |
| 73 | .name = MSP_ETH_ID, |
| 74 | .id = 0, |
| 75 | .num_resources = ARRAY_SIZE(msp_eth0_resources), |
| 76 | .resource = msp_eth0_resources, |
| 77 | }, |
| 78 | [1] = { |
| 79 | .name = MSP_ETH_ID, |
| 80 | .id = 1, |
| 81 | .num_resources = ARRAY_SIZE(msp_eth1_resources), |
| 82 | .resource = msp_eth1_resources, |
| 83 | }, |
| 84 | |
| 85 | }; |
| 86 | #define msp_eth_devs mspeth_device |
| 87 | |
| Anoop P A | ec9ac74 | 2011-01-25 23:24:09 +0530 | [diff] [blame] | 88 | int __init msp_eth_setup(void) |
| 89 | { |
| 90 | int i, ret = 0; |
| 91 | |
| 92 | /* Configure the GPIO and take the ethernet PHY out of reset */ |
| 93 | msp_gpio_pin_mode(MSP_GPIO_OUTPUT, MSP_ETHERNET_GPIO0); |
| 94 | msp_gpio_pin_hi(MSP_ETHERNET_GPIO0); |
| 95 | |
| Anoop P A | ec9ac74 | 2011-01-25 23:24:09 +0530 | [diff] [blame] | 96 | for (i = 0; i < ARRAY_SIZE(msp_eth_devs); i++) { |
| 97 | ret = platform_device_register(&msp_eth_devs[i]); |
| 98 | printk(KERN_INFO "device: %d, return value = %d\n", i, ret); |
| 99 | if (ret) { |
| 100 | platform_device_unregister(&msp_eth_devs[i]); |
| 101 | break; |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | if (ret) |
| 106 | printk(KERN_WARNING "Could not initialize " |
| 107 | "MSPETH device structures.\n"); |
| 108 | |
| 109 | return ret; |
| 110 | } |
| 111 | subsys_initcall(msp_eth_setup); |