diff options
Diffstat (limited to 'arch/arm/include/asm/ti-common/keystone_net.h')
| -rw-r--r-- | arch/arm/include/asm/ti-common/keystone_net.h | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/arch/arm/include/asm/ti-common/keystone_net.h b/arch/arm/include/asm/ti-common/keystone_net.h new file mode 100644 index 0000000000..011c03cf88 --- /dev/null +++ b/arch/arm/include/asm/ti-common/keystone_net.h @@ -0,0 +1,249 @@ +/* + * emac definitions for keystone2 devices + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _KEYSTONE_NET_H_ +#define _KEYSTONE_NET_H_ + +#include <asm/io.h> + +/* EMAC */ +#ifdef CONFIG_KSNET_NETCP_V1_0 + +#define GBETH_BASE (CONFIG_KSNET_NETCP_BASE + 0x00090000) +#define EMAC_EMACSL_BASE_ADDR (GBETH_BASE + 0x900) +#define EMAC_MDIO_BASE_ADDR (GBETH_BASE + 0x300) +#define EMAC_SGMII_BASE_ADDR (GBETH_BASE + 0x100) +#define DEVICE_EMACSL_BASE(x) (EMAC_EMACSL_BASE_ADDR + (x) * 0x040) + +/* Register offsets */ +#define CPGMACSL_REG_CTL 0x04 +#define CPGMACSL_REG_STATUS 0x08 +#define CPGMACSL_REG_RESET 0x0c +#define CPGMACSL_REG_MAXLEN 0x10 + +#elif defined CONFIG_KSNET_NETCP_V1_5 + +#define GBETH_BASE (CONFIG_KSNET_NETCP_BASE + 0x00200000) +#define CPGMACSL_REG_RX_PRI_MAP 0x020 +#define EMAC_EMACSL_BASE_ADDR (GBETH_BASE + 0x22000) +#define EMAC_MDIO_BASE_ADDR (GBETH_BASE + 0x00f00) +#define EMAC_SGMII_BASE_ADDR (GBETH_BASE + 0x00100) +#define DEVICE_EMACSL_BASE(x) (EMAC_EMACSL_BASE_ADDR + (x) * 0x1000) + +/* Register offsets */ +#define CPGMACSL_REG_CTL 0x330 +#define CPGMACSL_REG_STATUS 0x334 +#define CPGMACSL_REG_RESET 0x338 +#define CPGMACSL_REG_MAXLEN 0x024 + +#endif + +#define KEYSTONE2_EMAC_GIG_ENABLE + +#define MAC_ID_BASE_ADDR CONFIG_KSNET_MAC_ID_BASE + +/* MDIO module input frequency */ +#define EMAC_MDIO_BUS_FREQ (clk_get_rate(pass_pll_clk)) +/* MDIO clock output frequency */ +#define EMAC_MDIO_CLOCK_FREQ 2500000 /* 2.5 MHz */ + +/* MII Status Register */ +#define MII_STATUS_REG 1 +#define MII_STATUS_LINK_MASK 0x4 + +#define MDIO_CONTROL_IDLE 0x80000000 +#define MDIO_CONTROL_ENABLE 0x40000000 +#define MDIO_CONTROL_FAULT_ENABLE 0x40000 +#define MDIO_CONTROL_FAULT 0x80000 +#define MDIO_USERACCESS0_GO 0x80000000 +#define MDIO_USERACCESS0_WRITE_READ 0x0 +#define MDIO_USERACCESS0_WRITE_WRITE 0x40000000 +#define MDIO_USERACCESS0_ACK 0x20000000 + +#define EMAC_MACCONTROL_MIIEN_ENABLE 0x20 +#define EMAC_MACCONTROL_FULLDUPLEX_ENABLE 0x1 +#define EMAC_MACCONTROL_GIGABIT_ENABLE BIT(7) +#define EMAC_MACCONTROL_GIGFORCE BIT(17) +#define EMAC_MACCONTROL_RMIISPEED_100 BIT(15) + +#define EMAC_MIN_ETHERNET_PKT_SIZE 60 + +struct mac_sl_cfg { + u_int32_t max_rx_len; /* Maximum receive packet length. */ + u_int32_t ctl; /* Control bitfield */ +}; + +/** + * Definition: Control bitfields used in the ctl field of mac_sl_cfg + */ +#define GMACSL_RX_ENABLE_RCV_CONTROL_FRAMES BIT(24) +#define GMACSL_RX_ENABLE_RCV_SHORT_FRAMES BIT(23) +#define GMACSL_RX_ENABLE_RCV_ERROR_FRAMES BIT(22) +#define GMACSL_RX_ENABLE_EXT_CTL BIT(18) +#define GMACSL_RX_ENABLE_GIG_FORCE BIT(17) +#define GMACSL_RX_ENABLE_IFCTL_B BIT(16) +#define GMACSL_RX_ENABLE_IFCTL_A BIT(15) +#define GMACSL_RX_ENABLE_CMD_IDLE BIT(11) +#define GMACSL_TX_ENABLE_SHORT_GAP BIT(10) +#define GMACSL_ENABLE_GIG_MODE BIT(7) +#define GMACSL_TX_ENABLE_PACE BIT(6) +#define GMACSL_ENABLE BIT(5) +#define GMACSL_TX_ENABLE_FLOW_CTL BIT(4) +#define GMACSL_RX_ENABLE_FLOW_CTL BIT(3) +#define GMACSL_ENABLE_LOOPBACK BIT(1) +#define GMACSL_ENABLE_FULL_DUPLEX BIT(0) + +/* EMAC SL function return values */ +#define GMACSL_RET_OK 0 +#define GMACSL_RET_INVALID_PORT -1 +#define GMACSL_RET_WARN_RESET_INCOMPLETE -2 +#define GMACSL_RET_WARN_MAXLEN_TOO_BIG -3 +#define GMACSL_RET_CONFIG_FAIL_RESET_ACTIVE -4 + +/* EMAC SL register definitions */ +#define DEVICE_EMACSL_RESET_POLL_COUNT 100 + +/* Soft reset register values */ +#define CPGMAC_REG_RESET_VAL_RESET_MASK BIT(0) +#define CPGMAC_REG_RESET_VAL_RESET BIT(0) +#define CPGMAC_REG_MAXLEN_LEN 0x3fff + +/* CPSW */ +/* Control bitfields */ +#define CPSW_CTL_P2_PASS_PRI_TAGGED BIT(5) +#define CPSW_CTL_P1_PASS_PRI_TAGGED BIT(4) +#define CPSW_CTL_P0_PASS_PRI_TAGGED BIT(3) +#define CPSW_CTL_P0_ENABLE BIT(2) +#define CPSW_CTL_VLAN_AWARE BIT(1) +#define CPSW_CTL_FIFO_LOOPBACK BIT(0) + +#define DEVICE_CPSW_NUM_PORTS CONFIG_KSNET_CPSW_NUM_PORTS +#define DEVICE_N_GMACSL_PORTS (DEVICE_CPSW_NUM_PORTS - 1) + +#ifdef CONFIG_KSNET_NETCP_V1_0 + +#define DEVICE_CPSW_BASE (GBETH_BASE + 0x800) +#define CPSW_REG_CTL 0x004 +#define CPSW_REG_STAT_PORT_EN 0x00c +#define CPSW_REG_MAXLEN 0x040 +#define CPSW_REG_ALE_CONTROL 0x608 +#define CPSW_REG_ALE_PORTCTL(x) (0x640 + (x) * 4) +#define CPSW_REG_VAL_STAT_ENABLE_ALL 0xf + +#elif defined CONFIG_KSNET_NETCP_V1_5 + +#define DEVICE_CPSW_BASE (GBETH_BASE + 0x20000) +#define CPSW_REG_CTL 0x00004 +#define CPSW_REG_STAT_PORT_EN 0x00014 +#define CPSW_REG_MAXLEN 0x01024 +#define CPSW_REG_ALE_CONTROL 0x1e008 +#define CPSW_REG_ALE_PORTCTL(x) (0x1e040 + (x) * 4) +#define CPSW_REG_VAL_STAT_ENABLE_ALL 0x1ff + +#endif + +#define CPSW_REG_VAL_ALE_CTL_RESET_AND_ENABLE ((u_int32_t)0xc0000000) +#define CPSW_REG_VAL_ALE_CTL_BYPASS ((u_int32_t)0x00000010) +#define CPSW_REG_VAL_PORTCTL_FORWARD_MODE 0x3 + +#define target_get_switch_ctl() CPSW_CTL_P0_ENABLE +#define SWITCH_MAX_PKT_SIZE 9000 + +/* SGMII */ +#define SGMII_REG_STATUS_LOCK BIT(4) +#define SGMII_REG_STATUS_LINK BIT(0) +#define SGMII_REG_STATUS_AUTONEG BIT(2) +#define SGMII_REG_CONTROL_AUTONEG BIT(0) +#define SGMII_REG_CONTROL_MASTER BIT(5) +#define SGMII_REG_MR_ADV_ENABLE BIT(0) +#define SGMII_REG_MR_ADV_LINK BIT(15) +#define SGMII_REG_MR_ADV_FULL_DUPLEX BIT(12) +#define SGMII_REG_MR_ADV_GIG_MODE BIT(11) + +#define SGMII_LINK_MAC_MAC_AUTONEG 0 +#define SGMII_LINK_MAC_PHY 1 +#define SGMII_LINK_MAC_MAC_FORCED 2 +#define SGMII_LINK_MAC_FIBER 3 +#define SGMII_LINK_MAC_PHY_FORCED 4 + +#ifdef CONFIG_KSNET_NETCP_V1_0 +#define SGMII_OFFSET(x) ((x <= 1) ? (x * 0x100) : ((x * 0x100) + 0x100)) +#elif defined CONFIG_KSNET_NETCP_V1_5 +#define SGMII_OFFSET(x) ((x) * 0x100) +#endif + +#define SGMII_IDVER_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x000) +#define SGMII_SRESET_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x004) +#define SGMII_CTL_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x010) +#define SGMII_STATUS_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x014) +#define SGMII_MRADV_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x018) +#define SGMII_LPADV_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x020) +#define SGMII_TXCFG_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x030) +#define SGMII_RXCFG_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x034) +#define SGMII_AUXCFG_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x038) + +/* PSS */ +#ifdef CONFIG_KSNET_NETCP_V1_0 + +#define DEVICE_PSTREAM_CFG_REG_ADDR (CONFIG_KSNET_NETCP_BASE + 0x604) +#define DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI 0x06060606 +#define hw_config_streaming_switch()\ + writel(DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI, DEVICE_PSTREAM_CFG_REG_ADDR); + +#elif defined CONFIG_KSNET_NETCP_V1_5 + +#define DEVICE_PSTREAM_CFG_REG_ADDR (CONFIG_KSNET_NETCP_BASE + 0x500) +#define DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI 0x0 + +#define hw_config_streaming_switch()\ + writel(DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI,\ + DEVICE_PSTREAM_CFG_REG_ADDR);\ + writel(DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI,\ + DEVICE_PSTREAM_CFG_REG_ADDR+4);\ + writel(DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI,\ + DEVICE_PSTREAM_CFG_REG_ADDR+8);\ + writel(DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI,\ + DEVICE_PSTREAM_CFG_REG_ADDR+12); + +#endif + +/* EMAC MDIO Registers Structure */ +struct mdio_regs { + u32 version; + u32 control; + u32 alive; + u32 link; + u32 linkintraw; + u32 linkintmasked; + u32 rsvd0[2]; + u32 userintraw; + u32 userintmasked; + u32 userintmaskset; + u32 userintmaskclear; + u32 rsvd1[20]; + u32 useraccess0; + u32 userphysel0; + u32 useraccess1; + u32 userphysel1; +}; + +struct eth_priv_t { + char int_name[32]; + int rx_flow; + int phy_addr; + int slave_port; + int sgmii_link_type; + struct phy_device *phy_dev; +}; + +int keystone2_emac_initialize(struct eth_priv_t *eth_priv); +void sgmii_serdes_setup_156p25mhz(void); +void sgmii_serdes_shutdown(void); + +#endif /* _KEYSTONE_NET_H_ */ |