diff options
Diffstat (limited to 'target/linux/ramips/patches-4.4')
| -rw-r--r-- | target/linux/ramips/patches-4.4/0520-esw-gmac.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-4.4/0520-esw-gmac.patch b/target/linux/ramips/patches-4.4/0520-esw-gmac.patch new file mode 100644 index 0000000000..9d4cd3f4c1 --- /dev/null +++ b/target/linux/ramips/patches-4.4/0520-esw-gmac.patch @@ -0,0 +1,69 @@ +--- a/drivers/net/ethernet/mediatek/esw_rt3050.c ++++ b/drivers/net/ethernet/mediatek/esw_rt3050.c +@@ -221,6 +221,8 @@ + + unsigned char port_map; + unsigned char port_disable; ++ unsigned int reg_initval_fct2; ++ unsigned int reg_initval_fpa2; + unsigned int reg_led_polarity; + + struct switch_dev swdev; +@@ -452,7 +454,10 @@ + (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC2_UNTAG_EN_S)), + RT305X_ESW_REG_POC2); + +- esw_w32(esw, 0x0002500c, RT305X_ESW_REG_FCT2); ++ if (esw->reg_initval_fct2) ++ esw_w32(esw, esw->reg_initval_fct2, RT305X_ESW_REG_FCT2); ++ else ++ esw_w32(esw, 0x0002500c, RT305X_ESW_REG_FCT2); + + /* 300s aging timer, max packet len 1536, broadcast storm prevention + * disabled, disable collision abort, mac xor48 hash, 10 packet back +@@ -475,7 +480,10 @@ + * port5: disabled + * port6: enabled, gige, full-duplex, rx/tx-flow-control + */ +- esw_w32(esw, 0x3f502b28, RT305X_ESW_REG_FPA2); ++ if (esw->reg_initval_fpa2) ++ esw_w32(esw, esw->reg_initval_fpa2, RT305X_ESW_REG_FPA2); ++ else ++ esw_w32(esw, 0x3f502b28, RT305X_ESW_REG_FPA2); + esw_w32(esw, 0x00000000, RT305X_ESW_REG_FPA); + + /* Force Link/Activity on ports */ +@@ -1361,6 +1369,14 @@ + if (port_disable) + esw->port_disable = be32_to_cpu(*port_disable); + ++ reg_init = of_get_property(np, "ralink,fct2", NULL); ++ if (reg_init) ++ esw->reg_initval_fct2 = be32_to_cpu(*reg_init); ++ ++ reg_init = of_get_property(np, "ralink,fpa2", NULL); ++ if (reg_init) ++ esw->reg_initval_fpa2 = be32_to_cpu(*reg_init); ++ + reg_init = of_get_property(np, "mediatek,led_polarity", NULL); + if (reg_init) + esw->reg_led_polarity = be32_to_cpu(*reg_init); +@@ -1386,6 +1402,18 @@ + + esw_hw_init(esw); + ++ reg_init = of_get_property(np, "ralink,rgmii", NULL); ++ if (reg_init && be32_to_cpu(*reg_init) == 1) { ++ /* ++ * External switch connected to RGMII interface. ++ * Unregister the switch device after initialization. ++ */ ++ dev_err(&pdev->dev, "RGMII mode, not exporting switch device.\n"); ++ unregister_switch(&esw->swdev); ++ platform_set_drvdata(pdev, NULL); ++ return -ENODEV; ++ } ++ + ret = devm_request_irq(&pdev->dev, esw->irq, esw_interrupt, 0, "esw", + esw); + |