X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/9e9816322cf9331ed701a0d68a4f841bab106790..098bdd39a090e06944948146ada5542587d5fbd5:/target/linux/ramips/files/drivers/net/ramips_esw.c?ds=sidebyside diff --git a/target/linux/ramips/files/drivers/net/ramips_esw.c b/target/linux/ramips/files/drivers/net/ramips_esw.c index d57245cd6..18e5fa57d 100644 --- a/target/linux/ramips/files/drivers/net/ramips_esw.c +++ b/target/linux/ramips/files/drivers/net/ramips_esw.c @@ -28,9 +28,50 @@ #define RT305X_ESW_PHY_TIMEOUT (5 * HZ) +#define RT305X_ESW_PVIDC_PVID_M 0xfff +#define RT305X_ESW_PVIDC_PVID_S 12 + #define RT305X_ESW_VLANI_VID_M 0xfff #define RT305X_ESW_VLANI_VID_S 12 +#define RT305X_ESW_VMSC_MSC_M 0xff +#define RT305X_ESW_VMSC_MSC_S 8 + +#define RT305X_ESW_SOCPC_DISUN2CPU_S 0 +#define RT305X_ESW_SOCPC_DISMC2CPU_S 8 +#define RT305X_ESW_SOCPC_DISBC2CPU_S 16 +#define RT305X_ESW_SOCPC_CRC_PADDING BIT(25) + +#define RT305X_ESW_POC1_EN_BP_S 0 +#define RT305X_ESW_POC1_EN_FC_S 8 +#define RT305X_ESW_POC1_DIS_RMC2CPU_S 16 +#define RT305X_ESW_POC1_DIS_PORT_S 23 + +#define RT305X_ESW_POC3_UNTAG_EN_S 0 +#define RT305X_ESW_POC3_ENAGING_S 8 +#define RT305X_ESW_POC3_DIS_UC_PAUSE_S 16 + +#define RT305X_ESW_PORT0 0 +#define RT305X_ESW_PORT1 1 +#define RT305X_ESW_PORT2 2 +#define RT305X_ESW_PORT3 3 +#define RT305X_ESW_PORT4 4 +#define RT305X_ESW_PORT5 5 +#define RT305X_ESW_PORT6 6 + +#define RT305X_ESW_PORTS_INTERNAL \ + (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) | \ + BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) | \ + BIT(RT305X_ESW_PORT4)) + +#define RT305X_ESW_PORTS_NOCPU \ + (RT305X_ESW_PORTS_INTERNAL | BIT(RT305X_ESW_PORT5)) + +#define RT305X_ESW_PORTS_CPU BIT(RT305X_ESW_PORT6) + +#define RT305X_ESW_PORTS_ALL \ + (RT305X_ESW_PORTS_NOCPU | RT305X_ESW_PORTS_CPU) + struct rt305x_esw { void __iomem *base; struct rt305x_esw_platform_data *pdata; @@ -123,6 +164,30 @@ rt305x_esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid) (vid & RT305X_ESW_VLANI_VID_M) << s); } +static void +rt305x_esw_set_pvid(struct rt305x_esw *esw, unsigned port, unsigned pvid) +{ + unsigned s; + + s = RT305X_ESW_PVIDC_PVID_S * (port % 2); + rt305x_esw_rmw(esw, + RT305X_ESW_REG_PVIDC(port / 2), + RT305X_ESW_PVIDC_PVID_S << s, + (pvid & RT305X_ESW_PVIDC_PVID_M) << s); +} + +static void +rt305x_esw_set_vmsc(struct rt305x_esw *esw, unsigned vlan, unsigned msc) +{ + unsigned s; + + s = RT305X_ESW_VMSC_MSC_S * (vlan % 4); + rt305x_esw_rmw(esw, + RT305X_ESW_REG_VMSC(vlan / 4), + RT305X_ESW_VMSC_MSC_M << s, + (msc & RT305X_ESW_VMSC_MSC_M) << s); +} + static void rt305x_esw_hw_init(struct rt305x_esw *esw) { @@ -132,12 +197,32 @@ rt305x_esw_hw_init(struct rt305x_esw *esw) rt305x_esw_wr(esw, 0xC8A07850, RT305X_ESW_REG_FCT0); rt305x_esw_wr(esw, 0x00000000, RT305X_ESW_REG_SGC2); rt305x_esw_wr(esw, 0x00405555, RT305X_ESW_REG_PFC1); - rt305x_esw_wr(esw, 0x00007f7f, RT305X_ESW_REG_POC1); - rt305x_esw_wr(esw, 0x00007f3f, RT305X_ESW_REG_POC3); + + /* Enable Back Pressure, and Flow Control */ + rt305x_esw_wr(esw, + ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC1_EN_BP_S) | + (RT305X_ESW_PORTS_ALL << RT305X_ESW_POC1_EN_FC_S)), + RT305X_ESW_REG_POC1); + + /* Enable Aging, and VLAN TAG removal */ + rt305x_esw_wr(esw, + ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC3_ENAGING_S) | + (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC3_UNTAG_EN_S)), + RT305X_ESW_REG_POC3); + rt305x_esw_wr(esw, 0x00d6500c, RT305X_ESW_REG_FCT2); rt305x_esw_wr(esw, 0x0008a301, RT305X_ESW_REG_SGC); - rt305x_esw_wr(esw, 0x02404040, RT305X_ESW_REG_SOCPC); - rt305x_esw_wr(esw, 0x00001002, RT305X_ESW_REG_PVIDC(2)); + + /* Setup SoC Port control register */ + rt305x_esw_wr(esw, + (RT305X_ESW_SOCPC_CRC_PADDING | + (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISUN2CPU_S) | + (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISMC2CPU_S) | + (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISBC2CPU_S)), + RT305X_ESW_REG_SOCPC); + + rt305x_esw_set_pvid(esw, RT305X_ESW_PORT4, 2); + rt305x_esw_set_pvid(esw, RT305X_ESW_PORT5, 1); rt305x_esw_wr(esw, 0x3f502b28, RT305X_ESW_REG_FPA2); rt305x_esw_wr(esw, 0x00000000, RT305X_ESW_REG_FPA); @@ -170,7 +255,14 @@ rt305x_esw_hw_init(struct rt305x_esw *esw) /* set default vlan */ rt305x_esw_set_vlan_id(esw, 0, 1); rt305x_esw_set_vlan_id(esw, 1, 2); - rt305x_esw_wr(esw, 0x504f, RT305X_ESW_REG_VMSC(0)); + rt305x_esw_set_vmsc(esw, 0, + (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) | + BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) | + BIT(RT305X_ESW_PORT6))); + rt305x_esw_set_vmsc(esw, 1, + (BIT(RT305X_ESW_PORT4) | BIT(RT305X_ESW_PORT6))); + rt305x_esw_set_vmsc(esw, 2, 0); + rt305x_esw_set_vmsc(esw, 3, 0); } static int