| #ifndef __COMCERTO_GEM100_H__ |
| #define __COMCERTO_GEM100_H__ |
| |
| #include <asm/arch/idma.h> |
| |
| #define GEM_DEF_PCLK_DIV (MDC_DIV_32) |
| |
| |
| //////////////////////////////////////////////////////////// |
| // GEMAC IP wrapper // |
| //////////////////////////////////////////////////////////// |
| #define GEM_ARM_FIFO_CTRL 0x0000 |
| #define GEM_ARM_TX_FIFO_SIZE 0x0014 |
| #define GEM_ARM_RX_FIFO_SIZE 0x0024 |
| #define GEM_ARM_RX_FIFO_HIGH 0x0028 |
| #define GEM_ARM_RX_FIFO_LOW 0x002C |
| |
| #define GEM_FIFO_CTRL 0xD000 |
| #define GEM_RX_FIFO_HIGH 0xD024 |
| #define GEM_RX_FIFO_LOW 0xD028 |
| #define GEM_IP 0xE000 |
| #define GEM_CFG 0xF000 |
| #define GEM_TX_CTRL 0xF004 |
| #define GEM_TX_COLL 0xF008 |
| #define GEM_RX_CTRL 0xF010 |
| #define GEM_RX_STAT_PKTSIZE 0xF014 |
| #define GEM_RX_STAT_FIFODEPTH 0xF018 |
| #define GEM_RX_STAT_FIFODATA 0xF01C |
| |
| #define GEM_FIFO_CTRL_TXFF_EN (1 << 0) |
| #define GEM_FIFO_CTRL_HBTXRQ_EN (1 << 1) |
| #define GEM_FIFO_CTRL_RXFF_EN (1 << 3) |
| #define GEM_FIFO_CTRL_HBRXRQ_EN (1 << 4) |
| #define GEM_FIFO_CTRL_TXCP_INH (1 << 5) |
| #define GEM_FIFO_CTRL_RXCMPLTIE (1 << 11) |
| |
| #define GEM_CONF_MODE_SEL_PIN (0 << 0) |
| #define GEM_CONF_MODE_SEL_GEM (1 << 0) |
| #define GEM_CONF_MODE_GEM_MASK (7 << 1) |
| #define GEM_CONF_MODE_GEM_MII (0 << 1) |
| #define GEM_CONF_MODE_GEM_GMII (1 << 1) |
| #define GEM_CONF_MODE_GEM_RMII (2 << 1) |
| #define GEM_CONF_MODE_GEM_RGMII (3 << 1) |
| #define GEM_CONF_MODE_GEM_SMII (6 << 1) |
| |
| #define GEM_CONF_MODE_PIN_MASK (7 << 4) |
| #define GEM_CONF_MODE_PIN_MII (0 << 4) |
| #define GEM_CONF_MODE_PIN_GMII (1 << 4) |
| #define GEM_CONF_MODE_PIN_RMII (2 << 4) |
| #define GEM_CONF_MODE_PIN_RGMII (3 << 4) |
| #define GEM_CONF_MODE_PIN_SMII (6 << 4) |
| |
| #define GEM_CONF_DUPLEX_SEL_PHY (0 << 8) |
| #define GEM_CONF_DUPLEX_SEL_GEM (1 << 8) |
| #define GEM_CONF_DUPLEX_GEM_HALF (0 << 9) |
| #define GEM_CONF_DUPLEX_GEM_FULL (1 << 9) |
| #define GEM_CONF_DUPLEX_PHY_HALF (0 << 10) |
| #define GEM_CONF_DUPLEX_PHY_FULL (1 << 10) |
| #define GEM_CONF_SPEED_SEL_PHY (0 << 11) |
| #define GEM_CONF_SPEED_SEL_GEM (1 << 11) |
| #define GEM_CONF_SPEED_MASK (3 << 12) |
| #define GEM_CONF_SPEED_GEM_10M (0 << 12) |
| #define GEM_CONF_SPEED_GEM_100M (1 << 12) |
| #define GEM_CONF_SPEED_GEM_1G (2 << 12) |
| #define GEM_CONF_SPEED_PHY_10M (0 << 14) |
| #define GEM_CONF_SPEED_PHY_100M (1 << 14) |
| #define GEM_CONF_SPEED_PHY_1G (2 << 14) |
| #define GEM_CONF_PHY_LINK_DOWN (0 << 16) |
| #define GEM_CONF_PHY_LINK_UP (1 << 16) |
| #define GEM_CONF_GEM_LOOPBACK (1 << 17) |
| |
| #define GEM_TXCTRL_DMAIF_EN (1 << 0) |
| #define GEM_TXCTRL_CRC_EN (1 << 1) |
| #define GEM_TXCTRL_RETR_EN (1 << 2) |
| #define GEM_TXCTRL_TX_STATE 0xf0000 |
| |
| #define GEM_RXCTRL_DMAIF_EN (1 << 0) |
| #define GEM_RXCTRL_RX_STATE 0xf0000 |
| |
| // Host fifo control bits |
| #define ARM_FIFO_RXDREQWE (1 << 2) |
| #define ARM_FIFO_TXDREQRE (1 << 3) |
| #define ARM_FIFO_TXFF_RES (1 << 12) |
| #define ARM_FIFO_RXFF_RES (1 << 13) |
| #define ARM_FIFO_RXCP_INH (1 << 15) |
| |
| /* Define some bit positions for registers. */ |
| |
| /* Bit positions for network control register */ |
| #define GEM_READ_SNAP (1<<14) /* Read snapshot register */ |
| #define GEM_TAKE_SNAP (1<<13) /* Take a snapshot */ |
| #define GEM_TX_0Q_PAUSE (1<<12) /* Transmit zero quantum pause frame */ |
| #define GEM_TX_PAUSE (1<<11) /* Transmit pause frame */ |
| #define GEM_TX_HALT (1<<10) /* Halt transmission after curr frame */ |
| #define GEM_TX_START (1<<9) /* Start tx (tx_go) */ |
| #define GEM_STATS_WR_EN (1<<7) /* Enable writing to stat registers */ |
| #define GEM_STATS_INC (1<<6) /* Increment statistic registers */ |
| #define GEM_STATS_CLR (1<<5) /* Clear statistic registers */ |
| #define GEM_MDIO_EN (1<<4) /* Enable MDIO port */ |
| #define GEM_TX_EN (1<<3) /* Enable transmit circuits */ |
| #define GEM_RX_EN (1<<2) /* Enable receive circuits */ |
| #define GEM_LB_MAC (1<<1) /* Perform local loopback at MAC */ |
| #define GEM_LB_PHY (1<<0) /* Perform ext loopback through PHY */ |
| |
| /* Bit positions for network configuration register */ |
| #define GEM_RX_NO_PAUSE (1<<23) /* Do not copy pause frames to memory */ |
| #define GEM_AHB_WIDTH1 (1<<22) /* Bit 1 for defining AHB width */ |
| #define GEM_AHB_WIDTH0 (1<<21) /* Bit 0 for defining AHB width */ |
| #define GEM_MDC_DIV2 (1<<20) /* PCLK divisor for MDC, bit 2 */ |
| #define GEM_MDC_DIV1 (1<<19) /* PCLK divisor for MDC, bit 1 */ |
| #define GEM_MDC_DIV0 (1<<18) /* PCLK divisor for MDC, bit 0 */ |
| #define GEM_RX_NO_FCS (1<<17) /* Discard FCS from received frames. */ |
| #define GEM_RX_LEN_CHK (1<<16) /* Receive length check. */ |
| #define GEM_RX_OFFSET_BASE 14 /* Pos of LSB for rx buffer offsets. */ |
| #define GEM_RX_OFFSET1 (1<<(GEM_RX_OFFSET_BASE + 1)) /* RX offset bit 1 */ |
| #define GEM_RX_OFFSET0 (1<<GEM_RX_OFFSET_BASE) /* RX offset bit 0 */ |
| #define GEM_RX_PAUSE_EN (1<<13) /* Enable pause reception */ |
| #define GEM_RETRY_TEST (1<<12) /* Retry test for speeding up debug */ |
| #define GEM_PCS_SEL (1<<11) /* Select PCS */ |
| #define GEM_GIG_MODE (1<<10) /* Gigabit mode enable */ |
| #define GEM_EAM_EN (1<<9) /* External address match enable */ |
| #define GEM_FRAME_1536 (1<<8) /* Enable 1536 byte frames reception */ |
| #define GEM_UNICAST_EN (1<<7) /* Receive unicast hash frames */ |
| #define GEM_MULTICAST_EN (1<<6) /* Receive multicast hash frames */ |
| #define GEM_NO_BROADCAST (1<<5) /* Do not receive broadcast frames */ |
| #define GEM_COPY_ALL (1<<4) /* Copy all frames */ |
| #define GEM_RX_JUMBO (1<<3) /* Allow jumbo frame reception */ |
| #define GEM_VLAN_ONLY (1<<2) /* Receive only VLAN frames */ |
| #define GEM_FULL_DUPLEX (1<<1) /* Enable full duplex */ |
| #define GEM_SPEED_100 (1<<0) /* Set to 100Mb mode */ |
| |
| /* Bit positions for network status register */ |
| #define GEM_PHY_IDLE (1<<2) /* PHY management is idle */ |
| #define GEM_MDIO_IN (1<<1) /* Status of mdio_in pin */ |
| #define GEM_LINK_STATUS (1<<0) /* Status of link pin */ |
| |
| /* Bit positions for transmit status register */ |
| #define GEM_TX_HRESP (1<<8) /* Transmit hresp not OK */ |
| #define GEM_LATE_COL (1<<7) /* Late collision */ |
| #define GEM_TX_URUN (1<<6) /* Transmit underrun occurred */ |
| #define GEM_TX_COMPLETE (1<<5) /* Transmit completed OK */ |
| #define GEM_TX_BUF_EXH (1<<4) /* Transmit buffs exhausted mid frame */ |
| #define GEM_TX_GO (1<<3) /* Status of tx_go internal variable */ |
| #define GEM_TX_RETRY_EXC (1<<2) /* Retry limit exceeded */ |
| #define GEM_TX_COL (1<<1) /* Collision occurred during frame tx */ |
| #define GEM_TX_USED (1<<0) /* Used bit read in tx buffer */ |
| |
| /* Bit positions for receive status register */ |
| #define GEM_RX_HRESP (1<<3) /* Receive hresp not OK */ |
| #define GEM_RX_ORUN (1<<2) /* Receive overrun occurred */ |
| #define GEM_RX_DONE (1<<1) /* Frame successfully received */ |
| #define GEM_RX_BUF_USED (1<<0) /* Receive buffer used bit read */ |
| |
| /* Bit positions for interrupts */ |
| #define GEM_IRQ_PCS_AN (1<<16) /* PCS autonegotiation complete */ |
| #define GEM_IRQ_EXT_INT (1<<15) /* External interrupt pin triggered */ |
| #define GEM_IRQ_PAUSE_TX (1<<14) /* Pause frame transmitted */ |
| #define GEM_IRQ_PAUSE_0 (1<<13) /* Pause time has reached zero */ |
| #define GEM_IRQ_PAUSE_RX (1<<12) /* Pause frame received */ |
| #define GEM_IRQ_HRESP (1<<11) /* hresp not ok */ |
| #define GEM_IRQ_RX_ORUN (1<<10) /* Receive overrun occurred */ |
| #define GEM_IRQ_PCS_LINK (1<<9) /* Status of PCS link changed */ |
| #define GEM_IRQ_TX_DONE (1<<7) /* Frame transmitted ok */ |
| #define GEM_IRQ_TX_ERROR (1<<6) /* Transmit err occurred or no buffers */ |
| #define GEM_IRQ_RETRY_EXC (1<<5) /* Retry limit exceeded */ |
| #define GEM_IRQ_TX_URUN (1<<4) /* Transmit underrun occurred */ |
| #define GEM_IRQ_TX_USED (1<<3) /* Tx buffer used bit read */ |
| #define GEM_IRQ_RX_USED (1<<2) /* Rx buffer used bit read */ |
| #define GEM_IRQ_RX_DONE (1<<1) /* Frame received ok */ |
| #define GEM_IRQ_MAN_DONE (1<<0) /* PHY management operation complete */ |
| #define GEM_IRQ_ALL (0xFFFFFFFF) /* Everything! */ |
| |
| /* Transmit buffer descriptor status words bit positions. */ |
| #define GEM_TBQE_USED (1<<31) /* Used bit. */ |
| #define GEM_TBQE_WRAP (1<<30) /* Wrap bit */ |
| #define GEM_TBQE_RETRY_EXC (1<<29) /* Retry limit exceeded. */ |
| #define GEM_TBQE_URUN (1<<28) /* Transmit underrun occurred. */ |
| #define GEM_TBQE_BUF_EXH (1<<27) /* Buffers exhausted mid frame. */ |
| #define GEM_TBQE_LATE_COL (1<<26) /* Late collision. */ |
| #define GEM_TBQE_NO_CRC (1<<16) /* No CRC */ |
| #define GEM_TBQE_LAST_BUF (1<<15) /* Last buffer */ |
| #define GEM_TBQE_LEN_MASK (0x3FFF) /* Mask for length field */ |
| #define GEM_TX_MAX_LEN (0x3FFF) /* Maximum transmit length value */ |
| #define GEM_TBQE_DUMMY (0x8000BFFF) /* Dummy value to check for free buffer */ |
| /* Receive buffer descriptor status words bit positions. */ |
| #define GEM_RBQE_BROADCAST (1<<31) /* Broadcast frame */ |
| #define GEM_RBQE_MULTICAST (1<<30) /* Multicast hashed frame */ |
| #define GEM_RBQE_UNICAST (1<<29) /* Unicast hashed frame */ |
| #define GEM_RBQE_EXT_ADDR (1<<28) /* External address match */ |
| #define GEM_RBQE_SPEC_MATCH (1<<27) /* Specific address matched */ |
| #define GEM_RBQE_SPEC_BASE (25) /* Pos for base of specific match */ |
| #define GEM_RBQE_SPEC_MAT1 (1<<(RBQE_SPEC_BASE + 1)) |
| #define GEM_RBQE_SPEC_MAT0 (1<<RBQE_SPEC_BASE) |
| #define GEM_RBQE_TYPE_MATCH (1<<24) /* Type ID matched */ |
| #define GEM_RBQE_TYPE_BASE (22) /* Position for base of type id match */ |
| #define GEM_RBQE_TYPE_MAT1 (1<<(RBQE_TYPE_BASE + 1)) |
| #define GEM_RBQE_TYPE_MAT0 (1<<RBQE_TYPE_BASE) |
| #define GEM_RBQE_VLAN (1<<21) /* VLAN tagged */ |
| #define GEM_RBQE_PRIORITY (1<<20) /* Priority tagged */ |
| #define GEM_RBQE_VLAN_BASE (17) /* Position for base of VLAN priority */ |
| #define GEM_RBQE_VLAN_P2 (1<<(RBQE_VLAN_BASE+2)) |
| #define GEM_RBQE_VLAN_P1 (1<<(RBQE_VLAN_BASE+1)) |
| #define GEM_RBQE_VLAN_P0 (1<<RBQE_VLAN_BASE) |
| #define GEM_RBQE_CFI (1<<16) /* CFI frame */ |
| #define GEM_RBQE_EOF (1<<15) /* End of frame. */ |
| #define GEM_RBQE_SOF (1<<14) /* Start of frame. */ |
| #define GEM_RBQE_LEN_MASK (0x3FFF) /* Mask for the length field. */ |
| #define GEM_RBQE_WRAP (1<<1) /* Wrap bit.. */ |
| #define GEM_RBQE_USED (1<<0) /* Used bit.. */ |
| #define GEM_RBQE_ADD_MASK (0xFFFFFFFC) /* Mask for address */ |
| |
| /* Revision ID Register */ |
| #define GEM_REV_ID_MODEL_MASK (0x000F0000) /* Model ID */ |
| #define GEM_REV_ID_MODEL_BASE (16) /* For Shifting */ |
| #define GEM_REV_ID_REG_MODEL (0x00020000) /* GEM module ID */ |
| #define GEM_REV_ID_REV_MASK (0x0000FFFF) /* Revision ID */ |
| |
| /* Define some memory offsets for easier direct access to memory map. */ |
| #define GEM_NET_CONTROL (0x00) |
| #define GEM_NET_CONFIG (0x04) |
| #define GEM_NET_STATUS (0x08) |
| #define GEM_USER_IO (0x0C) |
| #define GEM_TX_STATUS (0x14) |
| #define GEM_RX_QPTR (0x18) |
| #define GEM_TX_QPTR (0x1C) |
| #define GEM_RX_STATUS (0x20) |
| #define GEM_IRQ_STATUS (0x24) |
| #define GEM_IRQ_ENABLE (0x28) |
| #define GEM_IRQ_DISABLE (0x2C) |
| #define GEM_IRQ_MASK (0x30) |
| #define GEM_PHY_MAN (0x34) |
| #define GEM_RX_PAUSE_TIME (0x38) |
| #define GEM_TX_PAUSE_QUANT (0x3C) |
| |
| #define GEM_HASH_BOT (0x80) |
| #define GEM_HASH_TOP (0x84) |
| #define GEM_LADDR1_BOT (0x88) |
| #define GEM_LADDR1_TOP (0x8C) |
| #define GEM_LADDR2_BOT (0x90) |
| #define GEM_LADDR2_TOP (0x94) |
| #define GEM_LADDR3_BOT (0x98) |
| #define GEM_LADDR3_TOP (0x9C) |
| #define GEM_LADDR4_BOT (0xA0) |
| #define GEM_LADDR4_TOP (0xA4) |
| #define GEM_ID_CHECK1 (0xA8) |
| #define GEM_ID_CHECK2 (0xAC) |
| #define GEM_ID_CHECK3 (0xB0) |
| #define GEM_ID_CHECK4 (0xB4) |
| #define GEM_REV_ID (0xFC) |
| |
| #define GEM_OCT_TX_BOT (0x100) |
| #define GEM_OCT_TX_TOP (0x104) |
| #define GEM_STATS_FRAMES_TX (0x108) |
| #define GEM_BROADCAST_TX (0x10C) |
| #define GEM_MULTICAST_TX (0x110) |
| #define GEM_STATS_PAUSE_TX (0x114) |
| #define GEM_FRAME64_TX (0x118) |
| #define GEM_FRAME65_TX (0x11C) |
| #define GEM_FRAME128_TX (0x120) |
| #define GEM_FRAME256_TX (0x124) |
| #define GEM_FRAME512_TX (0x128) |
| #define GEM_FRAME1024_TX (0x12C) |
| #define GEM_FRAME1519_TX (0x130) |
| #define GEM_STATS_TX_URUN (0x134) |
| #define GEM_STATS_SINGLE_COL (0x138) |
| #define GEM_STATS_MULTI_COL (0x13C) |
| #define GEM_STATS_EXCESS_COL (0x140) |
| #define GEM_STATS_LATE_COL (0x144) |
| #define GEM_STATS_DEF_TX (0x148) |
| #define GEM_STATS_CRS_ERRORS (0x14C) |
| #define GEM_OCT_RX_BOT (0x150) |
| #define GEM_OCT_RX_TOP (0x154) |
| #define GEM_STATS_FRAMES_RX (0x158) |
| #define GEM_BROADCAST_RX (0x15C) |
| #define GEM_MULTICAST_RX (0x160) |
| #define GEM_STATS_PAUSE_RX (0x164) |
| #define GEM_FRAME64_RX (0x168) |
| #define GEM_FRAME65_RX (0x16C) |
| #define GEM_FRAME128_RX (0x170) |
| #define GEM_FRAME256_RX (0x174) |
| #define GEM_FRAME512_RX (0x178) |
| #define GEM_FRAME1024_RX (0x17C) |
| #define GEM_FRAME1519_RX (0x180) |
| #define GEM_STATS_USIZE_FRAMES (0x184) |
| #define GEM_STATS_EXCESS_LEN (0x188) |
| #define GEM_STATS_JABBERS (0x18C) |
| #define GEM_STATS_FCS_ERRORS (0x190) |
| #define GEM_STATS_LENGTH_ERRORS (0x194) |
| #define GEM_STATS_RX_SYM_ERR (0x198) |
| #define GEM_STATS_ALIGN_ERRORS (0x19C) |
| #define GEM_STATS_RX_RES_ERR (0x1a0) |
| #define GEM_STATS_RX_ORUN (0x1a4) |
| |
| #define GEM_REG_TOP (0x23C) |
| |
| |
| /* Define some types for using with the HAL. These types correspond to the |
| * memory map and programming structure of the MAC device. |
| * All structures are 'volatile' to indicate they can be changed by some non- |
| * programming means - i.e. by the hardware itself. This prevents the compiler |
| * from making false assumptions on how to optimise the code. Some elements |
| * are also defined as 'const' to enforce some checks on the programmer. These |
| * are only for register fields that can only be changed by the hardware and are |
| * not writable. |
| */ |
| |
| |
| struct bdesc { |
| volatile u8 *bptr; |
| volatile u32 bcontrol; |
| u32 dummy1; |
| u32 dummy2; |
| }; |
| |
| struct fdesc { |
| // Hardware mapped fields |
| void *next; |
| volatile u32 system; |
| volatile u32 fstatus; |
| volatile u32 fcontrol; |
| struct bdesc bdesc; |
| }; |
| |
| struct gemac_info_struct { |
| unsigned int baseaddr; |
| unsigned int idma_baseaddr; |
| unsigned int phyaddr; |
| unsigned int gemacconfig; |
| u32 mode; |
| u32 phyflags; // to indicate if gigabit supported or not |
| unsigned int phyregidx; |
| }; |
| |
| /* This is a structure that will be passed and used for all HAL operations, it |
| * consists of pointers to the various MAC structures such as the MAC register |
| * block and the first descriptor element for the rx and tx buffer queues. |
| * Other internal variables declared for use in function calls and to keep track |
| * of where things are. |
| */ |
| struct gemac_dev { |
| void *registers; /* Pointer to the MAC address space. */ |
| void *phyregisters; /* Pointer to the MAC address space controlling the phy */ |
| void *idma_baseaddr; |
| void *baseaddr; |
| struct phy_info *phyinfo; |
| u32 phyaddr; |
| u32 mode; |
| u32 phyflags; |
| struct eth_device *dev; |
| }; |
| |
| #endif |
