Root/target/linux/ar7/patches-3.6/972-cpmac_fixup.patch

1--- a/arch/mips/ar7/platform.c
2+++ b/arch/mips/ar7/platform.c
3@@ -712,26 +712,23 @@ static int __init ar7_register_devices(v
4     }
5 
6     if (ar7_has_high_cpmac()) {
7+ cpmac_get_mac(0, cpmac_high_data.dev_addr);
8+
9         res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
10- if (!res) {
11- cpmac_get_mac(1, cpmac_high_data.dev_addr);
12+ if (!res)
13+ pr_warning("unable to register fixed phy for cpmac-high: %d\n", res);
14 
15- res = platform_device_register(&cpmac_high);
16- if (res)
17- pr_warning("unable to register cpmac-high: %d\n", res);
18- } else
19- pr_warning("unable to add cpmac-high phy: %d\n", res);
20- } else
21+ res = platform_device_register(&cpmac_high);
22+ if (res)
23+ pr_warning("unable to register cpmac-high: %d\n", res);
24+ cpmac_get_mac(1, cpmac_low_data.dev_addr);
25+ } else {
26         cpmac_low_data.phy_mask = 0xffffffff;
27-
28- res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
29- if (!res) {
30         cpmac_get_mac(0, cpmac_low_data.dev_addr);
31- res = platform_device_register(&cpmac_low);
32- if (res)
33- pr_warning("unable to register cpmac-low: %d\n", res);
34- } else
35- pr_warning("unable to add cpmac-low phy: %d\n", res);
36+ }
37+ res = platform_device_register(&cpmac_low);
38+ if (res)
39+ pr_warning("unable to register cpmac-low: %d\n", res);
40 
41     detect_leds();
42     res = platform_device_register(&ar7_gpio_leds);
43@@ -744,8 +741,10 @@ static int __init ar7_register_devices(v
44 
45     /* Register watchdog only if enabled in hardware */
46     bootcr = ioremap_nocache(AR7_REGS_DCL, 4);
47- val = readl(bootcr);
48- iounmap(bootcr);
49+ if (bootcr) {
50+ val = readl(bootcr);
51+ iounmap(bootcr);
52+ }
53     if (val & AR7_WDT_HW_ENA) {
54         if (ar7_has_high_vlynq())
55             ar7_wdt_res.start = UR8_REGS_WDT;
56--- a/arch/mips/include/asm/mach-ar7/ar7.h
57+++ b/arch/mips/include/asm/mach-ar7/ar7.h
58@@ -42,6 +42,7 @@
59 #define AR7_REGS_PINSEL (AR7_REGS_BASE + 0x160C)
60 #define AR7_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1800)
61 #define AR7_REGS_DCL (AR7_REGS_BASE + 0x1a00)
62+#define AR7_REGS_MII (AR7_REGS_BASE + 0x1a08)
63 #define AR7_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1c00)
64 #define AR7_REGS_MDIO (AR7_REGS_BASE + 0x1e00)
65 #define AR7_REGS_IRQ (AR7_REGS_BASE + 0x2400)
66--- a/drivers/net/ethernet/ti/cpmac.c
67+++ b/drivers/net/ethernet/ti/cpmac.c
68@@ -35,7 +35,6 @@
69 #include <linux/skbuff.h>
70 #include <linux/mii.h>
71 #include <linux/phy.h>
72-#include <linux/phy_fixed.h>
73 #include <linux/platform_device.h>
74 #include <linux/dma-mapping.h>
75 #include <linux/clk.h>
76@@ -48,14 +47,11 @@ MODULE_LICENSE("GPL");
77 MODULE_ALIAS("platform:cpmac");
78 
79 static int debug_level = 8;
80-static int dumb_switch;
81 
82-/* Next 2 are only used in cpmac_probe, so it's pointless to change them */
83+/* Next is only used in cpmac_probe, so it's pointless to change them */
84 module_param(debug_level, int, 0444);
85-module_param(dumb_switch, int, 0444);
86 
87 MODULE_PARM_DESC(debug_level, "Number of NETIF_MSG bits to enable");
88-MODULE_PARM_DESC(dumb_switch, "Assume switch is not connected to MDIO bus");
89 
90 #define CPMAC_VERSION "0.5.2"
91 /* frame size + 802.1q tag + FCS size */
92@@ -674,9 +670,8 @@ static void cpmac_hw_start(struct net_de
93     for (i = 0; i < 8; i++)
94         cpmac_write(priv->regs, CPMAC_MAC_ADDR_LO(i), dev->dev_addr[5]);
95     cpmac_write(priv->regs, CPMAC_MAC_ADDR_MID, dev->dev_addr[4]);
96- cpmac_write(priv->regs, CPMAC_MAC_ADDR_HI, dev->dev_addr[0] |
97- (dev->dev_addr[1] << 8) | (dev->dev_addr[2] << 16) |
98- (dev->dev_addr[3] << 24));
99+ cpmac_write(priv->regs, CPMAC_MAC_ADDR_HI, be32_to_cpu(*(u32 *)
100+ dev->dev_addr));
101     cpmac_write(priv->regs, CPMAC_MAX_LENGTH, CPMAC_SKB_SIZE);
102     cpmac_write(priv->regs, CPMAC_UNICAST_CLEAR, 0xff);
103     cpmac_write(priv->regs, CPMAC_RX_INT_CLEAR, 0xff);
104@@ -1121,25 +1116,19 @@ static int __devinit cpmac_probe(struct
105 
106     pdata = pdev->dev.platform_data;
107 
108- if (external_switch || dumb_switch) {
109- strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); /* fixed phys bus */
110- phy_id = pdev->id;
111- } else {
112- for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
113- if (!(pdata->phy_mask & (1 << phy_id)))
114- continue;
115- if (!cpmac_mii->phy_map[phy_id])
116- continue;
117- strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
118- break;
119- }
120+ for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
121+ if (!(pdata->phy_mask & (1 << phy_id)))
122+ continue;
123+ if (!cpmac_mii->phy_map[phy_id])
124+ continue;
125+ strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
126+ break;
127     }
128 
129- if (phy_id == PHY_MAX_ADDR) {
130- dev_err(&pdev->dev, "no PHY present, falling back "
131- "to switch on MDIO bus 0\n");
132- strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); /* fixed phys bus */
133+ if (phy_id == PHY_MAX_ADDR && pdev->id == 1) {
134+ printk(KERN_ERR "cpmac: No PHY present, using fixed PHY\n");
135         phy_id = pdev->id;
136+ strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE);
137     }
138 
139     dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
140@@ -1175,6 +1164,13 @@ static int __devinit cpmac_probe(struct
141     snprintf(priv->phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT,
142                         mdio_bus_id, phy_id);
143 
144+ rc = register_netdev(dev);
145+ if (rc) {
146+ printk(KERN_ERR "cpmac: error %i registering device %s\n", rc,
147+ dev->name);
148+ goto fail;
149+ }
150+
151     priv->phy = phy_connect(dev, priv->phy_name, cpmac_adjust_link, 0,
152                         PHY_INTERFACE_MODE_MII);
153 
154@@ -1186,13 +1182,6 @@ static int __devinit cpmac_probe(struct
155         goto fail;
156     }
157 
158- rc = register_netdev(dev);
159- if (rc) {
160- printk(KERN_ERR "cpmac: error %i registering device %s\n", rc,
161- dev->name);
162- goto fail;
163- }
164-
165     if (netif_msg_probe(priv)) {
166         printk(KERN_INFO
167                "cpmac: device %s (regs: %p, irq: %d, phy: %s, "
168@@ -1225,6 +1214,7 @@ int __devinit cpmac_init(void)
169 {
170     u32 mask;
171     int i, res;
172+ void __iomem *mii_reg;
173 
174     cpmac_mii = mdiobus_alloc();
175     if (cpmac_mii == NULL)
176@@ -1248,31 +1238,51 @@ int __devinit cpmac_init(void)
177     ar7_gpio_disable(26);
178     ar7_gpio_disable(27);
179 
180- if (!ar7_is_titan()) {
181+ if (ar7_is_titan()) {
182+ ar7_device_reset(AR7_RESET_BIT_EPHY);
183+ ar7_device_reset(TITAN_RESET_BIT_EPHY1);
184+ } else {
185+ ar7_device_reset(AR7_RESET_BIT_EPHY);
186         ar7_device_reset(AR7_RESET_BIT_CPMAC_LO);
187         ar7_device_reset(AR7_RESET_BIT_CPMAC_HI);
188     }
189- ar7_device_reset(AR7_RESET_BIT_EPHY);
190-
191- if (ar7_is_titan())
192- ar7_device_reset(TITAN_RESET_BIT_EPHY1);
193 
194     cpmac_mii->reset(cpmac_mii);
195 
196     for (i = 0; i < 300; i++) {
197         mask = cpmac_read(cpmac_mii->priv, CPMAC_MDIO_ALIVE);
198+ mask &= ar7_is_titan()? ~(0x80000000 | 0x40000000) : ~(0x80000000);
199         if (mask)
200             break;
201         else
202             msleep(10);
203     }
204 
205- mask &= 0x7fffffff;
206     if (mask & (mask - 1)) {
207         external_switch = 1;
208- mask = 0;
209+ if (!ar7_has_high_cpmac()) {
210+ if (ar7_is_titan()) {
211+ ar7_device_disable(AR7_RESET_BIT_EPHY);
212+ ar7_device_disable(TITAN_RESET_BIT_EPHY1);
213+ } else
214+ ar7_device_disable(AR7_RESET_BIT_EPHY);
215+
216+ //Titan remap might be different
217+ mii_reg = ioremap(AR7_REGS_MII, 4);
218+ if (mii_reg) {
219+ writel(readl(mii_reg) | 1, mii_reg);
220+ iounmap(mii_reg);
221+ }
222+ }
223     }
224 
225+ if (external_switch)
226+ printk(KERN_INFO "EXTERNAL SWITCH!!!\n");
227+ else if (mask)
228+ printk(KERN_INFO "EXTERNAL PHY!!!\n");
229+ else
230+ printk(KERN_INFO "INTERNAL PHY!!!\n");
231+
232     if (ar7_is_titan())
233         cpmac_mii->phy_mask = ~(mask | 0x80000000 | 0x40000000);
234     else
235

Archive Download this file



interactive