Karicheri, Muralidharan | 657f6b5 | 2014-04-01 15:01:13 -0400 | [diff] [blame] | 1 | /* |
| 2 | * emac definitions for keystone2 devices |
| 3 | * |
| 4 | * (C) Copyright 2012-2014 |
| 5 | * Texas Instruments Incorporated, <www.ti.com> |
| 6 | * |
| 7 | * SPDX-License-Identifier: GPL-2.0+ |
| 8 | */ |
| 9 | |
| 10 | #ifndef _EMAC_DEFS_H_ |
| 11 | #define _EMAC_DEFS_H_ |
| 12 | |
| 13 | #include <asm/arch/hardware.h> |
| 14 | #include <asm/io.h> |
| 15 | |
| 16 | #define DEVICE_REG32_R(a) readl(a) |
| 17 | #define DEVICE_REG32_W(a, v) writel(v, a) |
| 18 | |
| 19 | #define EMAC_EMACSL_BASE_ADDR (KS2_PASS_BASE + 0x00090900) |
| 20 | #define EMAC_MDIO_BASE_ADDR (KS2_PASS_BASE + 0x00090300) |
| 21 | #define EMAC_SGMII_BASE_ADDR (KS2_PASS_BASE + 0x00090100) |
| 22 | |
| 23 | #define KEYSTONE2_EMAC_GIG_ENABLE |
| 24 | |
| 25 | #define MAC_ID_BASE_ADDR (KS2_DEVICE_STATE_CTRL_BASE + 0x110) |
| 26 | |
| 27 | #ifdef CONFIG_SOC_K2HK |
| 28 | /* MDIO module input frequency */ |
| 29 | #define EMAC_MDIO_BUS_FREQ (clk_get_rate(pass_pll_clk)) |
| 30 | /* MDIO clock output frequency */ |
| 31 | #define EMAC_MDIO_CLOCK_FREQ 1000000 /* 1.0 MHz */ |
| 32 | #endif |
| 33 | |
| 34 | /* MII Status Register */ |
| 35 | #define MII_STATUS_REG 1 |
| 36 | #define MII_STATUS_LINK_MASK (0x4) |
| 37 | |
| 38 | /* Marvell 88E1111 PHY ID */ |
| 39 | #define PHY_MARVELL_88E1111 (0x01410cc0) |
| 40 | |
| 41 | #define MDIO_CONTROL_IDLE (0x80000000) |
| 42 | #define MDIO_CONTROL_ENABLE (0x40000000) |
| 43 | #define MDIO_CONTROL_FAULT_ENABLE (0x40000) |
| 44 | #define MDIO_CONTROL_FAULT (0x80000) |
| 45 | #define MDIO_USERACCESS0_GO (0x80000000) |
| 46 | #define MDIO_USERACCESS0_WRITE_READ (0x0) |
| 47 | #define MDIO_USERACCESS0_WRITE_WRITE (0x40000000) |
| 48 | #define MDIO_USERACCESS0_ACK (0x20000000) |
| 49 | |
| 50 | #define EMAC_MACCONTROL_MIIEN_ENABLE (0x20) |
| 51 | #define EMAC_MACCONTROL_FULLDUPLEX_ENABLE (0x1) |
| 52 | #define EMAC_MACCONTROL_GIGABIT_ENABLE (1 << 7) |
| 53 | #define EMAC_MACCONTROL_GIGFORCE (1 << 17) |
| 54 | #define EMAC_MACCONTROL_RMIISPEED_100 (1 << 15) |
| 55 | |
| 56 | #define EMAC_MIN_ETHERNET_PKT_SIZE 60 |
| 57 | |
| 58 | struct mac_sl_cfg { |
| 59 | u_int32_t max_rx_len; /* Maximum receive packet length. */ |
| 60 | u_int32_t ctl; /* Control bitfield */ |
| 61 | }; |
| 62 | |
| 63 | /* |
| 64 | * Definition: Control bitfields used in the ctl field of hwGmacSlCfg_t |
| 65 | */ |
| 66 | #define GMACSL_RX_ENABLE_RCV_CONTROL_FRAMES (1 << 24) |
| 67 | #define GMACSL_RX_ENABLE_RCV_SHORT_FRAMES (1 << 23) |
| 68 | #define GMACSL_RX_ENABLE_RCV_ERROR_FRAMES (1 << 22) |
| 69 | #define GMACSL_RX_ENABLE_EXT_CTL (1 << 18) |
| 70 | #define GMACSL_RX_ENABLE_GIG_FORCE (1 << 17) |
| 71 | #define GMACSL_RX_ENABLE_IFCTL_B (1 << 16) |
| 72 | #define GMACSL_RX_ENABLE_IFCTL_A (1 << 15) |
| 73 | #define GMACSL_RX_ENABLE_CMD_IDLE (1 << 11) |
| 74 | #define GMACSL_TX_ENABLE_SHORT_GAP (1 << 10) |
| 75 | #define GMACSL_ENABLE_GIG_MODE (1 << 7) |
| 76 | #define GMACSL_TX_ENABLE_PACE (1 << 6) |
| 77 | #define GMACSL_ENABLE (1 << 5) |
| 78 | #define GMACSL_TX_ENABLE_FLOW_CTL (1 << 4) |
| 79 | #define GMACSL_RX_ENABLE_FLOW_CTL (1 << 3) |
| 80 | #define GMACSL_ENABLE_LOOPBACK (1 << 1) |
| 81 | #define GMACSL_ENABLE_FULL_DUPLEX (1 << 0) |
| 82 | |
| 83 | /* |
| 84 | * DEFINTITION: function return values |
| 85 | */ |
| 86 | #define GMACSL_RET_OK 0 |
| 87 | #define GMACSL_RET_INVALID_PORT -1 |
| 88 | #define GMACSL_RET_WARN_RESET_INCOMPLETE -2 |
| 89 | #define GMACSL_RET_WARN_MAXLEN_TOO_BIG -3 |
| 90 | #define GMACSL_RET_CONFIG_FAIL_RESET_ACTIVE -4 |
| 91 | |
| 92 | /* Register offsets */ |
| 93 | #define CPGMACSL_REG_ID 0x00 |
| 94 | #define CPGMACSL_REG_CTL 0x04 |
| 95 | #define CPGMACSL_REG_STATUS 0x08 |
| 96 | #define CPGMACSL_REG_RESET 0x0c |
| 97 | #define CPGMACSL_REG_MAXLEN 0x10 |
| 98 | #define CPGMACSL_REG_BOFF 0x14 |
| 99 | #define CPGMACSL_REG_RX_PAUSE 0x18 |
| 100 | #define CPGMACSL_REG_TX_PAURSE 0x1c |
| 101 | #define CPGMACSL_REG_EM_CTL 0x20 |
| 102 | #define CPGMACSL_REG_PRI 0x24 |
| 103 | |
| 104 | /* Soft reset register values */ |
| 105 | #define CPGMAC_REG_RESET_VAL_RESET_MASK (1 << 0) |
| 106 | #define CPGMAC_REG_RESET_VAL_RESET (1 << 0) |
| 107 | |
| 108 | /* Maxlen register values */ |
| 109 | #define CPGMAC_REG_MAXLEN_LEN 0x3fff |
| 110 | |
| 111 | /* Control bitfields */ |
| 112 | #define CPSW_CTL_P2_PASS_PRI_TAGGED (1 << 5) |
| 113 | #define CPSW_CTL_P1_PASS_PRI_TAGGED (1 << 4) |
| 114 | #define CPSW_CTL_P0_PASS_PRI_TAGGED (1 << 3) |
| 115 | #define CPSW_CTL_P0_ENABLE (1 << 2) |
| 116 | #define CPSW_CTL_VLAN_AWARE (1 << 1) |
| 117 | #define CPSW_CTL_FIFO_LOOPBACK (1 << 0) |
| 118 | |
| 119 | #define DEVICE_CPSW_NUM_PORTS 5 /* 5 switch ports */ |
| 120 | #define DEVICE_CPSW_BASE (0x02090800) |
| 121 | #define target_get_switch_ctl() CPSW_CTL_P0_ENABLE /* Enable port 0 */ |
| 122 | #define SWITCH_MAX_PKT_SIZE 9000 |
| 123 | |
| 124 | /* Register offsets */ |
| 125 | #define CPSW_REG_CTL 0x004 |
| 126 | #define CPSW_REG_STAT_PORT_EN 0x00c |
| 127 | #define CPSW_REG_MAXLEN 0x040 |
| 128 | #define CPSW_REG_ALE_CONTROL 0x608 |
| 129 | #define CPSW_REG_ALE_PORTCTL(x) (0x640 + (x)*4) |
| 130 | |
| 131 | /* Register values */ |
| 132 | #define CPSW_REG_VAL_STAT_ENABLE_ALL 0xf |
| 133 | #define CPSW_REG_VAL_ALE_CTL_RESET_AND_ENABLE ((u_int32_t)0xc0000000) |
| 134 | #define CPSW_REG_VAL_ALE_CTL_BYPASS ((u_int32_t)0x00000010) |
| 135 | #define CPSW_REG_VAL_PORTCTL_FORWARD_MODE 0x3 |
| 136 | |
| 137 | #define SGMII_REG_STATUS_LOCK BIT(4) |
| 138 | #define SGMII_REG_STATUS_LINK BIT(0) |
| 139 | #define SGMII_REG_STATUS_AUTONEG BIT(2) |
| 140 | #define SGMII_REG_CONTROL_AUTONEG BIT(0) |
| 141 | #define SGMII_REG_CONTROL_MASTER BIT(5) |
| 142 | #define SGMII_REG_MR_ADV_ENABLE BIT(0) |
| 143 | #define SGMII_REG_MR_ADV_LINK BIT(15) |
| 144 | #define SGMII_REG_MR_ADV_FULL_DUPLEX BIT(12) |
| 145 | #define SGMII_REG_MR_ADV_GIG_MODE BIT(11) |
| 146 | |
| 147 | #define SGMII_LINK_MAC_MAC_AUTONEG 0 |
| 148 | #define SGMII_LINK_MAC_PHY 1 |
| 149 | #define SGMII_LINK_MAC_MAC_FORCED 2 |
| 150 | #define SGMII_LINK_MAC_FIBER 3 |
| 151 | #define SGMII_LINK_MAC_PHY_FORCED 4 |
| 152 | |
| 153 | #define TARGET_SGMII_BASE KS2_PASS_BASE + 0x00090100 |
| 154 | #define TARGET_SGMII_BASE_ADDRESSES {KS2_PASS_BASE + 0x00090100, \ |
| 155 | KS2_PASS_BASE + 0x00090200, \ |
| 156 | KS2_PASS_BASE + 0x00090400, \ |
| 157 | KS2_PASS_BASE + 0x00090500} |
| 158 | |
| 159 | #define SGMII_OFFSET(x) ((x <= 1) ? (x * 0x100) : ((x * 0x100) + 0x100)) |
| 160 | |
| 161 | /* |
| 162 | * SGMII registers |
| 163 | */ |
| 164 | #define SGMII_IDVER_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x000) |
| 165 | #define SGMII_SRESET_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x004) |
| 166 | #define SGMII_CTL_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x010) |
| 167 | #define SGMII_STATUS_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x014) |
| 168 | #define SGMII_MRADV_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x018) |
| 169 | #define SGMII_LPADV_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x020) |
| 170 | #define SGMII_TXCFG_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x030) |
| 171 | #define SGMII_RXCFG_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x034) |
| 172 | #define SGMII_AUXCFG_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x038) |
| 173 | |
| 174 | #define DEVICE_EMACSL_BASE(x) (KS2_PASS_BASE + 0x00090900 + (x) * 0x040) |
| 175 | #define DEVICE_N_GMACSL_PORTS 4 |
| 176 | #define DEVICE_EMACSL_RESET_POLL_COUNT 100 |
| 177 | |
| 178 | #define DEVICE_PSTREAM_CFG_REG_ADDR (KS2_PASS_BASE + 0x604) |
| 179 | |
| 180 | #ifdef CONFIG_SOC_K2HK |
| 181 | #define DEVICE_PSTREAM_CFG_REG_VAL_ROUTE_CPPI 0x06060606 |
| 182 | #endif |
| 183 | |
| 184 | #define hw_config_streaming_switch() \ |
| 185 | DEVICE_REG32_W(DEVICE_PSTREAM_CFG_REG_ADDR, \ |
| 186 | DEVICE_PSTREAM_CFG_REG_VAL_ROUTE_CPPI); |
| 187 | |
| 188 | /* EMAC MDIO Registers Structure */ |
| 189 | struct mdio_regs { |
| 190 | dv_reg version; |
| 191 | dv_reg control; |
| 192 | dv_reg alive; |
| 193 | dv_reg link; |
| 194 | dv_reg linkintraw; |
| 195 | dv_reg linkintmasked; |
| 196 | u_int8_t rsvd0[8]; |
| 197 | dv_reg userintraw; |
| 198 | dv_reg userintmasked; |
| 199 | dv_reg userintmaskset; |
| 200 | dv_reg userintmaskclear; |
| 201 | u_int8_t rsvd1[80]; |
| 202 | dv_reg useraccess0; |
| 203 | dv_reg userphysel0; |
| 204 | dv_reg useraccess1; |
| 205 | dv_reg userphysel1; |
| 206 | }; |
| 207 | |
| 208 | /* Ethernet MAC Registers Structure */ |
| 209 | struct emac_regs { |
| 210 | dv_reg idver; |
| 211 | dv_reg maccontrol; |
| 212 | dv_reg macstatus; |
| 213 | dv_reg soft_reset; |
| 214 | dv_reg rx_maxlen; |
| 215 | u32 rsvd0; |
| 216 | dv_reg rx_pause; |
| 217 | dv_reg tx_pause; |
| 218 | dv_reg emcontrol; |
| 219 | dv_reg pri_map; |
| 220 | u32 rsvd1[6]; |
| 221 | }; |
| 222 | |
| 223 | #define SGMII_ACCESS(port, reg) \ |
| 224 | *((volatile unsigned int *)(sgmiis[port] + reg)) |
| 225 | |
| 226 | struct eth_priv_t { |
| 227 | char int_name[32]; |
| 228 | int rx_flow; |
| 229 | int phy_addr; |
| 230 | int slave_port; |
| 231 | int sgmii_link_type; |
| 232 | }; |
| 233 | |
| 234 | extern struct eth_priv_t eth_priv_cfg[]; |
| 235 | |
| 236 | int keystone2_emac_initialize(struct eth_priv_t *eth_priv); |
| 237 | void sgmii_serdes_setup_156p25mhz(void); |
| 238 | void sgmii_serdes_shutdown(void); |
| 239 | |
| 240 | #endif /* _EMAC_DEFS_H_ */ |