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path: root/target/linux/ar7/patches-3.9/972-cpmac_fixup.patch
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Diffstat (limited to 'target/linux/ar7/patches-3.9/972-cpmac_fixup.patch')
-rw-r--r--target/linux/ar7/patches-3.9/972-cpmac_fixup.patch221
1 files changed, 221 insertions, 0 deletions
diff --git a/target/linux/ar7/patches-3.9/972-cpmac_fixup.patch b/target/linux/ar7/patches-3.9/972-cpmac_fixup.patch
new file mode 100644
index 0000000000..db290b4e95
--- /dev/null
+++ b/target/linux/ar7/patches-3.9/972-cpmac_fixup.patch
@@ -0,0 +1,221 @@
+--- a/arch/mips/ar7/platform.c
++++ b/arch/mips/ar7/platform.c
+@@ -712,26 +712,23 @@ static int __init ar7_register_devices(v
+ }
+
+ if (ar7_has_high_cpmac()) {
++ cpmac_get_mac(0, cpmac_high_data.dev_addr);
++
+ res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
+- if (!res) {
+- cpmac_get_mac(1, cpmac_high_data.dev_addr);
++ if (!res)
++ pr_warning("unable to register fixed phy for cpmac-high: %d\n", res);
+
+- 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
++ res = platform_device_register(&cpmac_high);
++ if (res)
++ pr_warning("unable to register cpmac-high: %d\n", res);
++ cpmac_get_mac(1, cpmac_low_data.dev_addr);
++ } else {
+ cpmac_low_data.phy_mask = 0xffffffff;
+-
+- 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);
+- if (res)
+- pr_warning("unable to register cpmac-low: %d\n", res);
+- } else
+- pr_warning("unable to add cpmac-low phy: %d\n", res);
++ }
++ 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);
+--- 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/ethernet/ti/cpmac.c
++++ b/drivers/net/ethernet/ti/cpmac.c
+@@ -35,7 +35,6 @@
+ #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>
+@@ -48,14 +47,11 @@ 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 */
+@@ -674,9 +670,8 @@ 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);
+@@ -1120,25 +1115,19 @@ static int cpmac_probe(struct platform_d
+
+ pdata = pdev->dev.platform_data;
+
+- if (external_switch || dumb_switch) {
+- strncpy(mdio_bus_id, "fixed-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, "fixed-0", MII_BUS_ID_SIZE); /* fixed phys bus */
++ if (phy_id == PHY_MAX_ADDR && pdev->id == 1) {
++ printk(KERN_ERR "cpmac: No PHY present, using fixed PHY\n");
+ phy_id = pdev->id;
++ strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE);
+ }
+
+ dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
+@@ -1174,6 +1163,13 @@ static int cpmac_probe(struct platform_d
+ snprintf(priv->phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT,
+ mdio_bus_id, phy_id);
+
++ rc = register_netdev(dev);
++ if (rc) {
++ printk(KERN_ERR "cpmac: error %i registering device %s\n", rc,
++ dev->name);
++ goto fail;
++ }
++
+ priv->phy = phy_connect(dev, priv->phy_name, cpmac_adjust_link,
+ PHY_INTERFACE_MODE_MII);
+
+@@ -1185,13 +1181,6 @@ static int cpmac_probe(struct platform_d
+ goto fail;
+ }
+
+- rc = register_netdev(dev);
+- if (rc) {
+- printk(KERN_ERR "cpmac: error %i registering device %s\n", rc,
+- dev->name);
+- goto fail;
+- }
+-
+ if (netif_msg_probe(priv)) {
+ printk(KERN_INFO
+ "cpmac: device %s (regs: %p, irq: %d, phy: %s, "
+@@ -1224,6 +1213,7 @@ int cpmac_init(void)
+ {
+ u32 mask;
+ int i, res;
++ void __iomem *mii_reg;
+
+ cpmac_mii = mdiobus_alloc();
+ if (cpmac_mii == NULL)
+@@ -1247,31 +1237,51 @@ int 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);
+
+ for (i = 0; i < 300; i++) {
+ mask = cpmac_read(cpmac_mii->priv, CPMAC_MDIO_ALIVE);
++ mask &= ar7_is_titan()? ~(0x80000000 | 0x40000000) : ~(0x80000000);
+ if (mask)
+ break;
+ else
+ msleep(10);
+ }
+
+- mask &= 0x7fffffff;
+ if (mask & (mask - 1)) {
+ external_switch = 1;
+- mask = 0;
++ if (!ar7_has_high_cpmac()) {
++ 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);
++ }
++ }
+ }
+
++ if (external_switch)
++ printk(KERN_INFO "EXTERNAL SWITCH!!!\n");
++ else if (mask)
++ printk(KERN_INFO "EXTERNAL PHY!!!\n");
++ else
++ printk(KERN_INFO "INTERNAL PHY!!!\n");
++
+ if (ar7_is_titan())
+ cpmac_mii->phy_mask = ~(mask | 0x80000000 | 0x40000000);
+ else
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-27 14:20:50 +0000