aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ar7/patches-2.6.32/972-cpmac_multi_probe.patch
blob: eb7ccb692207c6efb3f86ea7cb5420762999547e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
Index: linux-2.6.32.26/arch/mips/ar7/platform.c
===================================================================
--- linux-2.6.32.26.orig/arch/mips/ar7/platform.c	2010-11-28 03:22:24.522383766 -0800
+++ linux-2.6.32.26/arch/mips/ar7/platform.c	2010-11-28 04:17:24.872413302 -0800
@@ -46,7 +46,6 @@
 	int reset_bit;
 };
 
-
 static int vlynq_on(struct vlynq_device *dev)
 {
 	int result;
@@ -72,7 +71,8 @@
 
 	msleep(50);
 
-	gpio_set_value(pdata->gpio_bit, 1);
+	gpio_set_value(pdata->gpio_bit,
+			__vlynq_rev_reg(dev->local) < 0x00010205);
 	msleep(50);
 
 	return 0;
@@ -601,6 +601,18 @@
 	}
 }
 
+static void auto_mdix_on(void)
+{
+	ar7_gpio_enable(28);
+	ar7_gpio_disable(30);
+}
+
+/*static void auto_mdix_off(void)
+{
+	ar7_gpio_disable(28);
+	ar7_gpio_disable(30);
+}*/
+
 static void cpmac_get_mac(int instance, unsigned char *dev_addr)
 {
 	int i;
@@ -662,6 +674,7 @@
 	u16 chip_id;
 	int res;
 	u32 *bootcr, val;
+	void __iomem *mii_reg;
 #ifdef CONFIG_SERIAL_8250
 	static struct uart_port uart_port[2];
 
@@ -715,27 +728,6 @@
 			return res;
 	}
 
-	if (ar7_has_high_cpmac()) {
-		res = fixed_phy_add(PHY_POLL, ar7_is_titan() ? cpmac_high_titan.id : cpmac_high.id,
-						&fixed_phy_status);
-		if (res && res != -ENODEV)
-			return res;
-
-		cpmac_get_mac(1, ar7_is_titan() ? cpmac_high_data_titan.dev_addr :
-						cpmac_high_data.dev_addr);
-		res = platform_device_register(ar7_is_titan() ? &cpmac_high_titan :
-						&cpmac_high);
-
-		if (res)
-			return res;
-	} else {
-		if (ar7_is_titan())
-			cpmac_low_data_titan.phy_mask = 0xffffffff;
-		else
-			cpmac_low_data.phy_mask = 0xffffffff;
-
-	}
-
 	res = fixed_phy_add(PHY_POLL, ar7_is_titan() ? cpmac_low_titan.id :
 			cpmac_low.id, &fixed_phy_status);
 	if (res && res != -ENODEV)
@@ -748,6 +740,34 @@
 	if (res)
 		return res;
 
+	if (ar7_has_high_cpmac()) {
+		res = fixed_phy_add(PHY_POLL, ar7_is_titan() ?
+				cpmac_high_titan.id : cpmac_high.id,
+				&fixed_phy_status);
+		if (res && res != -ENODEV)
+			return res;
+
+		cpmac_get_mac(1, ar7_is_titan() ?
+				cpmac_high_data_titan.dev_addr :
+				cpmac_high_data.dev_addr);
+		res = platform_device_register(ar7_is_titan() ?
+				&cpmac_high_titan : &cpmac_high);
+
+		if (res)
+			return res;
+	} else {
+		mii_reg = ioremap(AR7_REGS_MII, 4);
+		if (mii_reg) {
+			writel(readl(mii_reg) | 1, mii_reg);
+			iounmap(mii_reg);
+		}
+
+		ar7_gpio_disable(17);
+		mdelay(20);
+		ar7_gpio_enable(17);
+		auto_mdix_on();
+	}
+
 	detect_leds();
 	res = platform_device_register(&ar7_gpio_leds);
 	if (res)
@@ -771,8 +791,10 @@
 	ar7_wdt_res.end = ar7_wdt_res.start + 0x20;
 
 	bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4);
-	val = *bootcr;
-	iounmap(bootcr);
+	if (bootcr) {
+		val = *bootcr;
+		iounmap(bootcr);
+	}
 
 	/* Register watchdog only if enabled in hardware */
 	if (val & AR7_WDT_HW_ENA)
Index: linux-2.6.32.26/arch/mips/include/asm/mach-ar7/ar7.h
===================================================================
--- linux-2.6.32.26.orig/arch/mips/include/asm/mach-ar7/ar7.h	2010-11-28 03:22:24.522383766 -0800
+++ linux-2.6.32.26/arch/mips/include/asm/mach-ar7/ar7.h	2010-11-28 03:22:25.012385426 -0800
@@ -41,6 +41,7 @@
 #define AR7_REGS_RESET	(AR7_REGS_BASE + 0x1600)
 #define AR7_REGS_VLYNQ0	(AR7_REGS_BASE + 0x1800)
 #define AR7_REGS_DCL	(AR7_REGS_BASE + 0x1a00)
+#define AR7_REGS_MII	(AR7_REGS_BASE + 0x1a08)
 #define AR7_REGS_VLYNQ1	(AR7_REGS_BASE + 0x1c00)
 #define AR7_REGS_MDIO	(AR7_REGS_BASE + 0x1e00)
 #define AR7_REGS_IRQ	(AR7_REGS_BASE + 0x2400)
Index: linux-2.6.32.26/drivers/net/cpmac.c
===================================================================
--- linux-2.6.32.26.orig/drivers/net/cpmac.c	2010-11-28 03:22:24.982383427 -0800
+++ linux-2.6.32.26/drivers/net/cpmac.c	2010-11-28 05:23:59.482390691 -0800
@@ -668,9 +668,8 @@
 	for (i = 0; i < 8; i++)
 		cpmac_write(priv->regs, CPMAC_MAC_ADDR_LO(i), dev->dev_addr[5]);
 	cpmac_write(priv->regs, CPMAC_MAC_ADDR_MID, dev->dev_addr[4]);
-	cpmac_write(priv->regs, CPMAC_MAC_ADDR_HI, dev->dev_addr[0] |
-		    (dev->dev_addr[1] << 8) | (dev->dev_addr[2] << 16) |
-		    (dev->dev_addr[3] << 24));
+	cpmac_write(priv->regs, CPMAC_MAC_ADDR_HI, be32_to_cpu(*(u32 *)
+			dev->dev_addr));
 	cpmac_write(priv->regs, CPMAC_MAX_LENGTH, CPMAC_SKB_SIZE);
 	cpmac_write(priv->regs, CPMAC_UNICAST_CLEAR, 0xff);
 	cpmac_write(priv->regs, CPMAC_RX_INT_CLEAR, 0xff);
@@ -1104,8 +1103,6 @@
 	.ndo_set_mac_address	= eth_mac_addr,
 };
 
-static int external_switch;
-
 static int __devinit cpmac_probe(struct platform_device *pdev)
 {
 	int rc, phy_id;
@@ -1117,24 +1114,26 @@
 
 	pdata = pdev->dev.platform_data;
 
-	if (external_switch || dumb_switch) {
-		strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
-		phy_id = pdev->id;
-	} else {
-		for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
-			if (!(pdata->phy_mask & (1 << phy_id)))
-				continue;
-			if (!cpmac_mii->phy_map[phy_id])
-				continue;
-			strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
-			break;
-		}
+	if (dumb_switch)
+		phy_id = PHY_MAX_ADDR;
+	else for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
+		if (!((pdata->phy_mask | cpmac_mii->phy_mask) &
+				(1 << phy_id)))
+			continue;
+		if (cpmac_mii->phy_map[phy_id])
+			continue;
+		strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
+		break;
 	}
 
 	if (phy_id == PHY_MAX_ADDR) {
 		dev_err(&pdev->dev, "no PHY present, falling back to switch mode\n");
 		strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
 		phy_id = pdev->id;
+	} else {
+		/* Now disable EPHY and enable MII */
+		dev_info(&pdev->dev, "trying external MII\n");
+		ar7_device_disable(AR7_RESET_BIT_EPHY);
 	}
 
 	dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
@@ -1168,7 +1167,7 @@
 	priv->dev = dev;
 	priv->ring_size = 64;
 	priv->msg_enable = netif_msg_init(debug_level, 0xff);
-	memcpy(dev->dev_addr, pdata->dev_addr, sizeof(dev->dev_addr));
+	memcpy(dev->dev_addr, pdata->dev_addr, sizeof(pdata->dev_addr));
 
 	snprintf(priv->phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id);
 
@@ -1244,14 +1243,14 @@
 	ar7_gpio_disable(26);
 	ar7_gpio_disable(27);
 
-	if (!ar7_is_titan()) {
+	if (ar7_is_titan()) {
+		ar7_device_reset(AR7_RESET_BIT_EPHY);
+		ar7_device_reset(TITAN_RESET_BIT_EPHY1);
+	} else {
 		ar7_device_reset(AR7_RESET_BIT_CPMAC_LO);
 		ar7_device_reset(AR7_RESET_BIT_CPMAC_HI);
-	}
-	ar7_device_reset(AR7_RESET_BIT_EPHY);
 
-	if (ar7_is_titan()) {
-		ar7_device_reset(TITAN_RESET_BIT_EPHY1);
+		ar7_device_reset(AR7_RESET_BIT_EPHY);
 	}
 
 	cpmac_mii->reset(cpmac_mii);
@@ -1262,14 +1261,7 @@
 		else
 			msleep(10);
 
-	mask &= 0x7fffffff;
-	if (mask & (mask - 1)) {
-		external_switch = 1;
-		mask = 0;
-	}
-
-	cpmac_mii->phy_mask = ar7_is_titan()? ~(mask | 0x80000000 | 0x40000000):
-		~(mask | 0x80000000);
+	cpmac_mii->phy_mask = ~mask;
 	snprintf(cpmac_mii->id, MII_BUS_ID_SIZE, "1");
 
 	res = mdiobus_register(cpmac_mii);