[ar7] add support for 2.6.37, thanks Wipster!
[openwrt.git] / target / linux / ar7 / patches-2.6.37 / 972-cpmac_fixup.patch
diff --git a/target/linux/ar7/patches-2.6.37/972-cpmac_fixup.patch b/target/linux/ar7/patches-2.6.37/972-cpmac_fixup.patch
new file mode 100644 (file)
index 0000000..2f56615
--- /dev/null
@@ -0,0 +1,216 @@
+--- a/arch/mips/ar7/platform.c
++++ b/arch/mips/ar7/platform.c
+@@ -33,7 +33,6 @@
+ #include <linux/string.h>
+ #include <linux/etherdevice.h>
+ #include <linux/phy.h>
+-#include <linux/phy_fixed.h>
+ #include <linux/gpio.h>
+ #include <linux/clk.h>
+@@ -248,12 +247,6 @@ static struct resource cpmac_high_res[]
+       },
+ };
+-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,
+@@ -643,26 +636,18 @@ static int __init ar7_register_devices(v
+       }
+       if (ar7_has_high_cpmac()) {
+-              res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
+-              if (!res) {
+-                      cpmac_get_mac(1, cpmac_high_data.dev_addr);
+-
+-                      res = platform_device_register(&cpmac_high);
+-                      if (res)
+-                              pr_warning("unable to register cpmac-high: %d\n", res);
+-              } else
+-                      pr_warning("unable to add cpmac-high phy: %d\n", res);
+-      } else
+-              cpmac_low_data.phy_mask = 0xffffffff;
++              cpmac_get_mac(1, cpmac_high_data.dev_addr);
+-      res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
+-      if (!res) {
+-              cpmac_get_mac(0, cpmac_low_data.dev_addr);
+-              res = platform_device_register(&cpmac_low);
++              res = platform_device_register(&cpmac_high);
+               if (res)
+-                      pr_warning("unable to register cpmac-low: %d\n", res);
++                      pr_warning("unable to register cpmac-high: %d\n", res);
+       } else
+-              pr_warning("unable to add cpmac-low phy: %d\n", res);
++              cpmac_low_data.phy_mask = 0xffffffff;
++
++      cpmac_get_mac(0, cpmac_low_data.dev_addr);
++      res = platform_device_register(&cpmac_low);
++      if (res)
++              pr_warning("unable to register cpmac-low: %d\n", res);
+       detect_leds();
+       res = platform_device_register(&ar7_gpio_leds);
+@@ -675,8 +660,10 @@ static int __init ar7_register_devices(v
+       /* Register watchdog only if enabled in hardware */
+       bootcr = ioremap_nocache(AR7_REGS_DCL, 4);
+-      val = readl(bootcr);
+-      iounmap(bootcr);
++      if (bootcr) {
++              val = readl(bootcr);
++              iounmap(bootcr);
++      }
+       if (val & AR7_WDT_HW_ENA) {
+               if (ar7_has_high_vlynq())
+                       ar7_wdt_res.start = UR8_REGS_WDT;
+--- a/arch/mips/include/asm/mach-ar7/ar7.h
++++ b/arch/mips/include/asm/mach-ar7/ar7.h
+@@ -42,6 +42,7 @@
+ #define AR7_REGS_PINSEL (AR7_REGS_BASE + 0x160C)
+ #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)
+--- a/drivers/net/cpmac.c
++++ b/drivers/net/cpmac.c
+@@ -34,7 +34,6 @@
+ #include <linux/skbuff.h>
+ #include <linux/mii.h>
+ #include <linux/phy.h>
+-#include <linux/phy_fixed.h>
+ #include <linux/platform_device.h>
+ #include <linux/dma-mapping.h>
+ #include <linux/clk.h>
+@@ -47,14 +46,11 @@ MODULE_LICENSE("GPL");
+ MODULE_ALIAS("platform:cpmac");
+ static int debug_level = 8;
+-static int dumb_switch;
+-/* Next 2 are only used in cpmac_probe, so it's pointless to change them */
++/* Next is only used in cpmac_probe, so it's pointless to change them */
+ module_param(debug_level, int, 0444);
+-module_param(dumb_switch, int, 0444);
+ MODULE_PARM_DESC(debug_level, "Number of NETIF_MSG bits to enable");
+-MODULE_PARM_DESC(dumb_switch, "Assume switch is not connected to MDIO bus");
+ #define CPMAC_VERSION "0.5.2"
+ /* frame size + 802.1q tag + FCS size */
+@@ -673,9 +669,8 @@ static void cpmac_hw_start(struct net_de
+       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);
+@@ -1107,8 +1102,6 @@ static const struct net_device_ops cpmac
+       .ndo_set_mac_address    = eth_mac_addr,
+ };
+-static int external_switch;
+-
+ static int __devinit cpmac_probe(struct platform_device *pdev)
+ {
+       int rc, phy_id;
+@@ -1120,25 +1113,18 @@ static int __devinit cpmac_probe(struct
+       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;
+-              }
++      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 (phy_id == PHY_MAX_ADDR) {
+-              dev_err(&pdev->dev, "no PHY present, falling back "
+-                                      "to switch on MDIO bus 0\n");
+-              strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
+-              phy_id = pdev->id;
++              printk(KERN_ERR "cpmac: No PHY present\n");
++              return -ENXIO;
+       }
+       dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
+@@ -1227,6 +1213,7 @@ int __devinit cpmac_init(void)
+ {
+       u32 mask;
+       int i, res;
++      void __iomem *mii_reg;
+       cpmac_mii = mdiobus_alloc();
+       if (cpmac_mii == NULL)
+@@ -1250,14 +1237,14 @@ int __devinit cpmac_init(void)
+       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_EPHY);
+               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);
+       cpmac_mii->reset(cpmac_mii);
+@@ -1269,10 +1256,20 @@ int __devinit cpmac_init(void)
+                       msleep(10);
+       }
+-      mask &= 0x7fffffff;
++      mask &= ar7_is_titan()? ~(0x80000000 | 0x40000000) : ~(0x80000000);
+       if (mask & (mask - 1)) {
+-              external_switch = 1;
+-              mask = 0;
++              if (ar7_is_titan()) {
++                      ar7_device_disable(AR7_RESET_BIT_EPHY);
++                      ar7_device_disable(TITAN_RESET_BIT_EPHY1);
++              } else
++                      ar7_device_disable(AR7_RESET_BIT_EPHY);
++
++              //Titan remap might be different
++              mii_reg = ioremap(AR7_REGS_MII, 4);
++              if (mii_reg) {
++                      writel(readl(mii_reg) | 1, mii_reg);
++                      iounmap(mii_reg);
++              }
+       }
+       cpmac_mii->phy_mask = ar7_is_titan()? ~(mask | 0x80000000 | 0x40000000) :
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