diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/enetc/enetc_hw.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc_hw.h | 90 |
1 files changed, 66 insertions, 24 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_hw.h b/drivers/net/ethernet/freescale/enetc/enetc_hw.h index 1619943fb263..4098f01479bc 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_hw.h +++ b/drivers/net/ethernet/freescale/enetc/enetc_hw.h @@ -6,6 +6,8 @@ #define ENETC_MM_VERIFY_SLEEP_US USEC_PER_MSEC #define ENETC_MM_VERIFY_RETRIES 3 +#define ENETC_NUM_TC 8 + /* ENETC device IDs */ #define ENETC_DEV_ID_PF 0xe100 #define ENETC_DEV_ID_VF 0xef00 @@ -21,10 +23,9 @@ #define ENETC_SICTR0 0x18 #define ENETC_SICTR1 0x1c #define ENETC_SIPCAPR0 0x20 -#define ENETC_SIPCAPR0_PSFP BIT(9) #define ENETC_SIPCAPR0_RSS BIT(8) -#define ENETC_SIPCAPR0_QBV BIT(4) -#define ENETC_SIPCAPR0_QBU BIT(3) +#define ENETC_SIPCAPR0_RFS BIT(2) +#define ENETC_SIPCAPR0_LSO BIT(1) #define ENETC_SIPCAPR1 0x24 #define ENETC_SITGTGR 0x30 #define ENETC_SIRBGCR 0x38 @@ -191,6 +192,9 @@ enum enetc_bdr_type {TX, RX}; #define ENETC_PCAPR0 0x0900 #define ENETC_PCAPR0_RXBDR(val) ((val) >> 24) #define ENETC_PCAPR0_TXBDR(val) (((val) >> 16) & 0xff) +#define ENETC_PCAPR0_PSFP BIT(9) +#define ENETC_PCAPR0_QBV BIT(4) +#define ENETC_PCAPR0_QBU BIT(3) #define ENETC_PCAPR1 0x0904 #define ENETC_PSICFGR0(n) (0x0940 + (n) * 0xc) /* n = SI index */ #define ENETC_PSICFGR0_SET_TXBDR(val) ((val) & 0xff) @@ -368,6 +372,10 @@ enum enetc_bdr_type {TX, RX}; /** Global regs, offset: 2_0000h */ #define ENETC_GLOBAL_BASE 0x20000 #define ENETC_G_EIPBRR0 0x0bf8 +#define EIPBRR0_REVISION GENMASK(15, 0) +#define ENETC_REV_1_0 0x0100 +#define ENETC_REV_4_1 0X0401 + #define ENETC_G_EIPBRR1 0x0bfc #define ENETC_G_EPFBLPR(n) (0xd00 + 4 * (n)) #define ENETC_G_EPFBLPR1_XGMII 0x80000000 @@ -396,18 +404,22 @@ struct enetc_hw { */ extern rwlock_t enetc_mdio_lock; +DECLARE_STATIC_KEY_FALSE(enetc_has_err050089); + /* use this locking primitive only on the fast datapath to * group together multiple non-MDIO register accesses to * minimize the overhead of the lock */ static inline void enetc_lock_mdio(void) { - read_lock(&enetc_mdio_lock); + if (static_branch_unlikely(&enetc_has_err050089)) + read_lock(&enetc_mdio_lock); } static inline void enetc_unlock_mdio(void) { - read_unlock(&enetc_mdio_lock); + if (static_branch_unlikely(&enetc_has_err050089)) + read_unlock(&enetc_mdio_lock); } /* use these accessors only on the fast datapath under @@ -416,14 +428,16 @@ static inline void enetc_unlock_mdio(void) */ static inline u32 enetc_rd_reg_hot(void __iomem *reg) { - lockdep_assert_held(&enetc_mdio_lock); + if (static_branch_unlikely(&enetc_has_err050089)) + lockdep_assert_held(&enetc_mdio_lock); return ioread32(reg); } static inline void enetc_wr_reg_hot(void __iomem *reg, u32 val) { - lockdep_assert_held(&enetc_mdio_lock); + if (static_branch_unlikely(&enetc_has_err050089)) + lockdep_assert_held(&enetc_mdio_lock); iowrite32(val, reg); } @@ -452,9 +466,13 @@ static inline u32 _enetc_rd_mdio_reg_wa(void __iomem *reg) unsigned long flags; u32 val; - write_lock_irqsave(&enetc_mdio_lock, flags); - val = ioread32(reg); - write_unlock_irqrestore(&enetc_mdio_lock, flags); + if (static_branch_unlikely(&enetc_has_err050089)) { + write_lock_irqsave(&enetc_mdio_lock, flags); + val = ioread32(reg); + write_unlock_irqrestore(&enetc_mdio_lock, flags); + } else { + val = ioread32(reg); + } return val; } @@ -463,9 +481,13 @@ static inline void _enetc_wr_mdio_reg_wa(void __iomem *reg, u32 val) { unsigned long flags; - write_lock_irqsave(&enetc_mdio_lock, flags); - iowrite32(val, reg); - write_unlock_irqrestore(&enetc_mdio_lock, flags); + if (static_branch_unlikely(&enetc_has_err050089)) { + write_lock_irqsave(&enetc_mdio_lock, flags); + iowrite32(val, reg); + write_unlock_irqrestore(&enetc_mdio_lock, flags); + } else { + iowrite32(val, reg); + } } #ifdef ioread64 @@ -533,11 +555,23 @@ static inline u64 _enetc_rd_reg64_wa(void __iomem *reg) union enetc_tx_bd { struct { __le64 addr; - __le16 buf_len; + union { + __le16 buf_len; + __le16 hdr_len; /* For LSO, ENETC 4.1 and later */ + }; __le16 frm_len; union { struct { - u8 reserved[3]; + u8 l3_aux0; +#define ENETC_TX_BD_L3_START GENMASK(6, 0) +#define ENETC_TX_BD_IPCS BIT(7) + u8 l3_aux1; +#define ENETC_TX_BD_L3_HDR_LEN GENMASK(6, 0) +#define ENETC_TX_BD_L3T BIT(7) + u8 l4_aux; +#define ENETC_TX_BD_L4T GENMASK(7, 5) +#define ENETC_TXBD_L4T_UDP 1 +#define ENETC_TXBD_L4T_TCP 2 u8 flags; }; /* default layout */ __le32 txstart; @@ -548,23 +582,27 @@ union enetc_tx_bd { __le32 tstamp; __le16 tpid; __le16 vid; - u8 reserved[6]; + __le16 lso_sg_size; /* For ENETC 4.1 and later */ + __le16 frm_len_ext; /* For ENETC 4.1 and later */ + u8 reserved[2]; u8 e_flags; u8 flags; } ext; /* Tx BD extension */ struct { __le32 tstamp; - u8 reserved[10]; + u8 reserved[8]; + __le16 lso_err_count; /* For ENETC 4.1 and later */ u8 status; u8 flags; } wb; /* writeback descriptor */ }; enum enetc_txbd_flags { - ENETC_TXBD_FLAGS_RES0 = BIT(0), /* reserved */ + ENETC_TXBD_FLAGS_L4CS = BIT(0), /* For ENETC 4.1 and later */ ENETC_TXBD_FLAGS_TSE = BIT(1), + ENETC_TXBD_FLAGS_LSO = BIT(1), /* For ENETC 4.1 and later */ ENETC_TXBD_FLAGS_W = BIT(2), - ENETC_TXBD_FLAGS_RES3 = BIT(3), /* reserved */ + ENETC_TXBD_FLAGS_CSUM_LSO = BIT(3), /* For ENETC 4.1 and later */ ENETC_TXBD_FLAGS_TXSTART = BIT(4), ENETC_TXBD_FLAGS_EX = BIT(6), ENETC_TXBD_FLAGS_F = BIT(7) @@ -633,6 +671,8 @@ union enetc_rx_bd { #define ENETC_CBD_FLAGS_SF BIT(7) /* short format */ #define ENETC_CBD_STATUS_MASK 0xf +#define ENETC_TPID_8021Q 0 + struct enetc_cmd_rfse { u8 smac_h[6]; u8 smac_m[6]; @@ -957,15 +997,17 @@ struct enetc_cbd { u8 status_flags; }; -#define ENETC_CLK 400000000ULL -static inline u32 enetc_cycles_to_usecs(u32 cycles) +#define ENETC_CLK_400M 400000000ULL +#define ENETC_CLK_333M 333000000ULL + +static inline u32 enetc_cycles_to_usecs(u32 cycles, u64 clk_freq) { - return (u32)div_u64(cycles * 1000000ULL, ENETC_CLK); + return (u32)div_u64(cycles * 1000000ULL, clk_freq); } -static inline u32 enetc_usecs_to_cycles(u32 usecs) +static inline u32 enetc_usecs_to_cycles(u32 usecs, u64 clk_freq) { - return (u32)div_u64(usecs * ENETC_CLK, 1000000ULL); + return (u32)div_u64(usecs * clk_freq, 1000000ULL); } /* Port traffic class frame preemption register */ |