Root/target/linux/cns21xx/patches-2.6.37/204-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 */
179

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