cns21xx: add support for 3.2
[openwrt/svn-archive/archive.git] / target / linux / cns21xx / patches-3.2 / 204-cns21xx-add-gec-device.patch
1 --- a/arch/arm/mach-cns21xx/Kconfig
2 +++ b/arch/arm/mach-cns21xx/Kconfig
3 @@ -3,6 +3,9 @@ if ARCH_CNS21XX
4 menu "Cavium Networks CNS21xx based machines"
5 endmenu
6
7 +config CNS21XX_DEV_GEC
8 + def_bool n
9 +
10 config CNS21XX_DEV_USB
11 def_bool n
12
13 --- a/arch/arm/mach-cns21xx/Makefile
14 +++ b/arch/arm/mach-cns21xx/Makefile
15 @@ -7,6 +7,7 @@
16 obj-y := core.o devices.o gpio.o irq.o mm.o time.o
17
18 # devices
19 +obj-$(CONFIG_CNS21XX_DEV_GEC) += dev-gec.o
20 obj-$(CONFIG_CNS21XX_DEV_USB) += dev-usb.o
21 obj-$(CONFIG_CNS21XX_DEV_SPI_MASTER) += dev-spi-master.o
22
23 --- /dev/null
24 +++ b/arch/arm/mach-cns21xx/dev-gec.c
25 @@ -0,0 +1,98 @@
26 +/*
27 + * Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org>
28 + *
29 + * This file is free software; you can redistribute it and/or modify
30 + * it under the terms of the GNU General Public License, Version 2, as
31 + * published by the Free Software Foundation.
32 + */
33 +
34 +#include <linux/init.h>
35 +#include <linux/dma-mapping.h>
36 +#include <linux/platform_device.h>
37 +#include <linux/etherdevice.h>
38 +
39 +#include <asm/sizes.h>
40 +#include <mach/cns21xx.h>
41 +#include <mach/irqs.h>
42 +
43 +#include "dev-gec.h"
44 +
45 +static u8 cns21xx_ethaddr[ETH_ALEN];
46 +struct cns21xx_gec_plat_data cns21xx_gec_data;
47 +
48 +static struct resource cns21xx_gec_resources[] = {
49 + {
50 + .start = CNS21XX_NIC_BASE,
51 + .end = CNS21XX_NIC_BASE + SZ_4K - 1,
52 + .flags = IORESOURCE_MEM,
53 + }, {
54 + .name = CNS21XX_GEC_STATUS_IRQ_NAME,
55 + .start = CNS21XX_IRQ_NIC_STATUS,
56 + .end = CNS21XX_IRQ_NIC_STATUS,
57 + .flags = IORESOURCE_IRQ,
58 + }, {
59 + .name = CNS21XX_GEC_RXRC_IRQ_NAME,
60 + .start = CNS21XX_IRQ_NIC_RXRC,
61 + .end = CNS21XX_IRQ_NIC_RXRC,
62 + .flags = IORESOURCE_IRQ,
63 + }, {
64 + .name = CNS21XX_GEC_RXQF_IRQ_NAME,
65 + .start = CNS21XX_IRQ_NIC_RXQF,
66 + .end = CNS21XX_IRQ_NIC_RXQF,
67 + .flags = IORESOURCE_IRQ,
68 + }, {
69 + .name = CNS21XX_GEC_TXTC_IRQ_NAME,
70 + .start = CNS21XX_IRQ_NIC_TXTC,
71 + .end = CNS21XX_IRQ_NIC_TXTC,
72 + .flags = IORESOURCE_IRQ,
73 + }, {
74 + .name = CNS21XX_GEC_TXQE_IRQ_NAME,
75 + .start = CNS21XX_IRQ_NIC_TXQE,
76 + .end = CNS21XX_IRQ_NIC_TXQE,
77 + .flags = IORESOURCE_IRQ,
78 + }
79 +};
80 +
81 +static u64 cns21xx_gec_dmamask = DMA_BIT_MASK(32);
82 +static struct platform_device cns21xx_gec_device = {
83 + .name = "cns21xx-gec",
84 + .id = -1,
85 + .resource = cns21xx_gec_resources,
86 + .num_resources = ARRAY_SIZE(cns21xx_gec_resources),
87 + .dev = {
88 + .dma_mask = &cns21xx_gec_dmamask,
89 + .coherent_dma_mask = DMA_BIT_MASK(32),
90 + .platform_data = &cns21xx_gec_data,
91 + },
92 +};
93 +
94 +static int __init cns21xx_ethaddr_setup(char *str)
95 +{
96 + int t;
97 +
98 + t = sscanf(str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
99 + &cns21xx_ethaddr[0], &cns21xx_ethaddr[1],
100 + &cns21xx_ethaddr[2], &cns21xx_ethaddr[3],
101 + &cns21xx_ethaddr[4], &cns21xx_ethaddr[5]);
102 +
103 + if (t != ETH_ALEN)
104 + pr_err("cns21xx: failed to parse mac address \"%s\"\n", str);
105 +
106 + return 1;
107 +}
108 +
109 +__setup("ethaddr=", cns21xx_ethaddr_setup);
110 +
111 +__init int cns21xx_register_gec(void)
112 +{
113 + if (cns21xx_gec_data.mac_addr == NULL)
114 + cns21xx_gec_data.mac_addr = cns21xx_ethaddr;
115 +
116 + if (!is_valid_ether_addr(cns21xx_gec_data.mac_addr)) {
117 + random_ether_addr(cns21xx_gec_data.mac_addr);
118 + pr_debug("cns21xx: using random MAC address \"%s\"\n",
119 + cns21xx_gec_data.mac_addr);
120 + }
121 +
122 + return platform_device_register(&cns21xx_gec_device);
123 +}
124 --- /dev/null
125 +++ b/arch/arm/mach-cns21xx/dev-gec.h
126 @@ -0,0 +1,18 @@
127 +/*
128 + * Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org>
129 + *
130 + * This file is free software; you can redistribute it and/or modify
131 + * it under the terms of the GNU General Public License, Version 2, as
132 + * published by the Free Software Foundation.
133 + */
134 +
135 +#ifndef _CNS21XX_DEV_GEC_H
136 +#define _CNS21XX_DEV_GEC_H
137 +
138 +#include <mach/cns21xx_gec_platform.h>
139 +
140 +extern struct cns21xx_gec_plat_data cns21xx_gec_data;
141 +
142 +__init int cns21xx_register_gec(void);
143 +
144 +#endif /* _CNS21XX_DEV_GEC_H */
145 --- /dev/null
146 +++ b/arch/arm/mach-cns21xx/include/mach/cns21xx_gec_platform.h
147 @@ -0,0 +1,31 @@
148 +/*
149 + * Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org>
150 + *
151 + * This file is free software; you can redistribute it and/or modify
152 + * it under the terms of the GNU General Public License, Version 2, as
153 + * published by the Free Software Foundation.
154 + */
155 +
156 +#ifndef _CNS21XX_GEC_PLATFORM_H
157 +#define _CNS21XX_GEC_PLATFORM_H
158 +
159 +#define CNS21XX_GEC_STATUS_IRQ_NAME "status"
160 +#define CNS21XX_GEC_RXRC_IRQ_NAME "rxrc"
161 +#define CNS21XX_GEC_RXQF_IRQ_NAME "rxqf"
162 +#define CNS21XX_GEC_TXTC_IRQ_NAME "txtc"
163 +#define CNS21XX_GEC_TXQE_IRQ_NAME "txqe"
164 +
165 +enum cns21xx_gec_phy_type {
166 + CNS21XX_GEC_PHY_TYPE_INTERNAL = 0,
167 + CNS21XX_GEC_PHY_TYPE_VSC8601,
168 + CNS21XX_GEC_PHY_TYPE_IP101A,
169 + CNS21XX_GEC_PHY_TYPE_IP1001,
170 +};
171 +
172 +struct cns21xx_gec_plat_data {
173 + u8 *mac_addr;
174 + enum cns21xx_gec_phy_type phy_type;
175 + u8 phy_addr;
176 +};
177 +
178 +#endif /* _CNS21XX_GEC_PLATFORM_H */