[ar7] patch 972-cpmac_multi_probe.patch correctly, thanks sn9
authorFlorian Fainelli <florian@openwrt.org>
Thu, 25 Nov 2010 12:18:41 +0000 (12:18 +0000)
committerFlorian Fainelli <florian@openwrt.org>
Thu, 25 Nov 2010 12:18:41 +0000 (12:18 +0000)
SVN-Revision: 24142

target/linux/ar7/patches-2.6.32/972-cpmac_multi_probe.patch [new file with mode: 0644]

diff --git a/target/linux/ar7/patches-2.6.32/972-cpmac_multi_probe.patch b/target/linux/ar7/patches-2.6.32/972-cpmac_multi_probe.patch
new file mode 100644 (file)
index 0000000..d79783a
--- /dev/null
@@ -0,0 +1,238 @@
+Index: linux-2.6.32.26/arch/mips/ar7/platform.c
+===================================================================
+--- linux-2.6.32.26.orig/arch/mips/ar7/platform.c      2010-11-24 13:16:31.367487844 -0800
++++ linux-2.6.32.26/arch/mips/ar7/platform.c   2010-11-24 13:16:49.677512306 -0800
+@@ -33,7 +33,6 @@
+ #include <linux/string.h>
+ #include <linux/etherdevice.h>
+ #include <linux/phy.h>
+-#include <linux/phy_fixed.h>
+ #include <asm/addrspace.h>
+ #include <asm/mach-ar7/ar7.h>
+@@ -46,7 +45,6 @@
+       int reset_bit;
+ };
+-
+ static int vlynq_on(struct vlynq_device *dev)
+ {
+       int result;
+@@ -72,7 +70,8 @@
+       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;
+@@ -294,16 +293,10 @@
+       .width = 2,
+ };
+-static struct fixed_phy_status fixed_phy_status __initdata = {
+-      .link = 1,
+-      .speed = 100,
+-      .duplex = 1,
+-};
+-
+ static struct plat_cpmac_data cpmac_low_data = {
+       .reset_bit = 17,
+       .power_bit = 20,
+-      .phy_mask = 0x80000000,
++      .phy_mask = 0xffffffff,
+ };
+ static struct plat_cpmac_data cpmac_high_data = {
+@@ -716,11 +709,6 @@
+       }
+       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 :
+@@ -728,19 +716,8 @@
+               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)
+-              return res;
+-
+       cpmac_get_mac(0, ar7_is_titan() ? cpmac_low_data_titan.dev_addr :
+                       cpmac_low_data.dev_addr);
+       res = platform_device_register(ar7_is_titan() ? &cpmac_low_titan :
+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  2010-11-24 13:16:31.387502677 -0800
++++ linux-2.6.32.26/arch/mips/include/asm/mach-ar7/ar7.h       2010-11-24 13:16:37.117485679 -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   2010-11-24 13:16:31.397493402 -0800
++++ linux-2.6.32.26/drivers/net/cpmac.c        2010-11-24 13:16:37.117485679 -0800
+@@ -218,6 +218,12 @@
+ static int cpmac_stop(struct net_device *dev);
+ static int cpmac_open(struct net_device *dev);
++static struct fixed_phy_status fixed_phy_status = {
++      .link = 1,
++      .speed = 100,
++      .duplex = 1,
++};
++
+ static void cpmac_dump_regs(struct net_device *dev)
+ {
+       int i;
+@@ -269,6 +275,18 @@
+       printk("\n");
+ }
++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 int cpmac_mdio_read(struct mii_bus *bus, int phy_id, int reg)
+ {
+       u32 val;
+@@ -1104,8 +1122,6 @@
+       .ndo_set_mac_address    = eth_mac_addr,
+ };
+-static int external_switch;
+-
+ static int __devinit cpmac_probe(struct platform_device *pdev)
+ {
+       int rc, phy_id;
+@@ -1114,13 +1130,15 @@
+       struct cpmac_priv *priv;
+       struct net_device *dev;
+       struct plat_cpmac_data *pdata;
++      void __iomem *mii_reg;
++      u32 tmp;
++      unsigned external_mii;
+       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 {
++      if (dumb_switch)
++              phy_id = PHY_MAX_ADDR;
++      else for (external_mii = 0; external_mii <= 1; external_mii++) {
+               for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
+                       if (!(pdata->phy_mask & (1 << phy_id)))
+                               continue;
+@@ -1129,13 +1147,45 @@
+                       strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
+                       break;
+               }
++
++              if (phy_id == PHY_MAX_ADDR || external_mii || ar7_is_titan())
++                      break;
++
++              /* Now disable EPHY and enable MII */
++              dev_info(&pdev->dev, "trying external MII\n");
++              ar7_device_disable(AR7_RESET_BIT_EPHY);
++
++              if (!ar7_has_high_cpmac()) {
++                      mii_reg = ioremap(AR7_REGS_MII, 4);
++                      if (!mii_reg) {
++                              dev_err(&pdev->dev, "failed to iorenamp MII_SEL\n");
++                              return -ENOMEM;
++                      }
++
++                      tmp = readl(mii_reg);
++                      tmp |= 1;
++                      writel(tmp, mii_reg);
++                      iounmap(mii_reg);
++              }
++
++              ar7_gpio_disable(17);
++              mdelay(20);
++              ar7_gpio_enable(17);
+       }
+       if (phy_id == PHY_MAX_ADDR) {
+-              dev_err(&pdev->dev, "no PHY present, falling back to switch mode\n");
++              /* This still does not work, so now we register a fixed phy */
++              dev_info(&pdev->dev, "using fixed PHY\n");
++              rc = fixed_phy_add(PHY_POLL, pdev->id, &fixed_phy_status);
++              if (rc && rc != -ENODEV) {
++                      dev_err(&pdev->dev, "unable to register fixed PHY\n");
++                      return rc;
++              }
++
+               strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
+               phy_id = pdev->id;
+-      }
++      } else
++              auto_mdix_on();
+       dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
+@@ -1244,14 +1294,14 @@
+       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);
+@@ -1262,12 +1312,6 @@
+               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);
+       snprintf(cpmac_mii->id, MII_BUS_ID_SIZE, "1");