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ec9ac747 A |
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 | ||
ec9ac747 A |
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 | ||
ec9ac747 A |
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 | ||
ec9ac747 A |
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); |