X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/293e4ff8cc70d64f35d4c2c2a99f3250411b3bc1..a46cfc6bccf2343230f701e86fa88be1404ca1ce:/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 a27ed2d6a..027284b08 100644 --- a/target/linux/ramips/files/drivers/net/ramips_esw.c +++ b/target/linux/ramips/files/drivers/net/ramips_esw.c @@ -5,7 +5,7 @@ #define RT305X_ESW_REG_FCT0 0x08 #define RT305X_ESW_REG_PFC1 0x14 -#define RT305X_ESW_REG_PVIDC(_n) (0x48 + 4 * (_n)) +#define RT305X_ESW_REG_PVIDC(_n) (0x40 + 4 * (_n)) #define RT305X_ESW_REG_VLANI(_n) (0x50 + 4 * (_n)) #define RT305X_ESW_REG_VMSC(_n) (0x70 + 4 * (_n)) #define RT305X_ESW_REG_FPA 0x84 @@ -19,6 +19,11 @@ #define RT305X_ESW_REG_FPA2 0xc8 #define RT305X_ESW_REG_FCT2 0xcc #define RT305X_ESW_REG_SGC2 0xe4 +#define RT305X_ESW_REG_P0LED 0xa4 +#define RT305X_ESW_REG_P1LED 0xa8 +#define RT305X_ESW_REG_P2LED 0xac +#define RT305X_ESW_REG_P3LED 0xb0 +#define RT305X_ESW_REG_P4LED 0xb4 #define RT305X_ESW_PCR0_WT_NWAY_DATA_S 16 #define RT305X_ESW_PCR0_WT_PHY_CMD BIT(13) @@ -28,6 +33,53 @@ #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) + +#define RT305X_ESW_NUM_VLANS 16 +#define RT305X_ESW_NUM_PORTS 7 + struct rt305x_esw { void __iomem *base; struct rt305x_esw_platform_data *pdata; @@ -108,6 +160,42 @@ out: return ret; } +static void +rt305x_esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid) +{ + unsigned s; + + s = RT305X_ESW_VLANI_VID_S * (vlan % 2); + rt305x_esw_rmw(esw, + RT305X_ESW_REG_VLANI(vlan / 2), + RT305X_ESW_VLANI_VID_M << s, + (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_M << 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) { @@ -117,16 +205,40 @@ 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, 0x00002001, RT305X_ESW_REG_VLANI(0)); - 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_wr(esw, 0x3f502b28, RT305X_ESW_REG_FPA2); rt305x_esw_wr(esw, 0x00000000, RT305X_ESW_REG_FPA); + /* Force Link/Activity on ports */ + rt305x_esw_wr(esw, 0x00000005, RT305X_ESW_REG_P0LED); + rt305x_esw_wr(esw, 0x00000005, RT305X_ESW_REG_P1LED); + rt305x_esw_wr(esw, 0x00000005, RT305X_ESW_REG_P2LED); + rt305x_esw_wr(esw, 0x00000005, RT305X_ESW_REG_P3LED); + rt305x_esw_wr(esw, 0x00000005, RT305X_ESW_REG_P4LED); + rt305x_mii_write(esw, 0, 31, 0x8000); for (i = 0; i < 5; i++) { /* TX10 waveform coefficient */ @@ -153,9 +265,47 @@ rt305x_esw_hw_init(struct rt305x_esw *esw) /* select local register */ rt305x_mii_write(esw, 0, 31, 0x8000); - /* set default vlan */ - rt305x_esw_wr(esw, 0x2001, RT305X_ESW_REG_VLANI(0)); - rt305x_esw_wr(esw, 0x504f, RT305X_ESW_REG_VMSC(0)); + for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) { + rt305x_esw_set_vlan_id(esw, i, 0); + rt305x_esw_set_vmsc(esw, i, 0); + } + + for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) + rt305x_esw_set_pvid(esw, i, 1); + + switch (esw->pdata->vlan_config) { + case RT305X_ESW_VLAN_CONFIG_NONE: + break; + + case RT305X_ESW_VLAN_CONFIG_LLLLW: + rt305x_esw_set_vlan_id(esw, 0, 1); + rt305x_esw_set_vlan_id(esw, 1, 2); + rt305x_esw_set_pvid(esw, RT305X_ESW_PORT4, 2); + + 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)); + break; + + case RT305X_ESW_VLAN_CONFIG_WLLLL: + rt305x_esw_set_vlan_id(esw, 0, 1); + rt305x_esw_set_vlan_id(esw, 1, 2); + rt305x_esw_set_pvid(esw, RT305X_ESW_PORT0, 2); + + rt305x_esw_set_vmsc(esw, 0, + BIT(RT305X_ESW_PORT1) | BIT(RT305X_ESW_PORT2) | + BIT(RT305X_ESW_PORT3) | BIT(RT305X_ESW_PORT4) | + BIT(RT305X_ESW_PORT6)); + rt305x_esw_set_vmsc(esw, 1, + BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT6)); + break; + + default: + BUG(); + } } static int @@ -232,7 +382,7 @@ rt305x_esw_init(void) return platform_driver_register(&rt305x_esw_driver); } -static void __exit +static void rt305x_esw_exit(void) { platform_driver_unregister(&rt305x_esw_driver);