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/*
* 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_ */
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