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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 _EMAC_DEFS_H_
#define _EMAC_DEFS_H_
#include <asm/arch/hardware.h>
#include <asm/io.h>
#define DEVICE_REG32_R(a) readl(a)
#define DEVICE_REG32_W(a, v) writel(v, a)
#define EMAC_EMACSL_BASE_ADDR (KS2_PASS_BASE + 0x00090900)
#define EMAC_MDIO_BASE_ADDR (KS2_PASS_BASE + 0x00090300)
#define EMAC_SGMII_BASE_ADDR (KS2_PASS_BASE + 0x00090100)
#define KEYSTONE2_EMAC_GIG_ENABLE
#define MAC_ID_BASE_ADDR (KS2_DEVICE_STATE_CTRL_BASE + 0x110)
#ifdef CONFIG_SOC_K2HK
/* MDIO module input frequency */
#define EMAC_MDIO_BUS_FREQ (clk_get_rate(pass_pll_clk))
/* MDIO clock output frequency */
#define EMAC_MDIO_CLOCK_FREQ 1000000 /* 1.0 MHz */
#endif
/* MII Status Register */
#define MII_STATUS_REG 1
#define MII_STATUS_LINK_MASK (0x4)
/* Marvell 88E1111 PHY ID */
#define PHY_MARVELL_88E1111 (0x01410cc0)
#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 (1 << 7)
#define EMAC_MACCONTROL_GIGFORCE (1 << 17)
#define EMAC_MACCONTROL_RMIISPEED_100 (1 << 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 hwGmacSlCfg_t
*/
#define GMACSL_RX_ENABLE_RCV_CONTROL_FRAMES (1 << 24)
#define GMACSL_RX_ENABLE_RCV_SHORT_FRAMES (1 << 23)
#define GMACSL_RX_ENABLE_RCV_ERROR_FRAMES (1 << 22)
#define GMACSL_RX_ENABLE_EXT_CTL (1 << 18)
#define GMACSL_RX_ENABLE_GIG_FORCE (1 << 17)
#define GMACSL_RX_ENABLE_IFCTL_B (1 << 16)
#define GMACSL_RX_ENABLE_IFCTL_A (1 << 15)
#define GMACSL_RX_ENABLE_CMD_IDLE (1 << 11)
#define GMACSL_TX_ENABLE_SHORT_GAP (1 << 10)
#define GMACSL_ENABLE_GIG_MODE (1 << 7)
#define GMACSL_TX_ENABLE_PACE (1 << 6)
#define GMACSL_ENABLE (1 << 5)
#define GMACSL_TX_ENABLE_FLOW_CTL (1 << 4)
#define GMACSL_RX_ENABLE_FLOW_CTL (1 << 3)
#define GMACSL_ENABLE_LOOPBACK (1 << 1)
#define GMACSL_ENABLE_FULL_DUPLEX (1 << 0)
/*
* DEFINTITION: 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
/* Register offsets */
#define CPGMACSL_REG_ID 0x00
#define CPGMACSL_REG_CTL 0x04
#define CPGMACSL_REG_STATUS 0x08
#define CPGMACSL_REG_RESET 0x0c
#define CPGMACSL_REG_MAXLEN 0x10
#define CPGMACSL_REG_BOFF 0x14
#define CPGMACSL_REG_RX_PAUSE 0x18
#define CPGMACSL_REG_TX_PAURSE 0x1c
#define CPGMACSL_REG_EM_CTL 0x20
#define CPGMACSL_REG_PRI 0x24
/* Soft reset register values */
#define CPGMAC_REG_RESET_VAL_RESET_MASK (1 << 0)
#define CPGMAC_REG_RESET_VAL_RESET (1 << 0)
/* Maxlen register values */
#define CPGMAC_REG_MAXLEN_LEN 0x3fff
/* Control bitfields */
#define CPSW_CTL_P2_PASS_PRI_TAGGED (1 << 5)
#define CPSW_CTL_P1_PASS_PRI_TAGGED (1 << 4)
#define CPSW_CTL_P0_PASS_PRI_TAGGED (1 << 3)
#define CPSW_CTL_P0_ENABLE (1 << 2)
#define CPSW_CTL_VLAN_AWARE (1 << 1)
#define CPSW_CTL_FIFO_LOOPBACK (1 << 0)
#define DEVICE_CPSW_NUM_PORTS 5 /* 5 switch ports */
#define DEVICE_CPSW_BASE (0x02090800)
#define target_get_switch_ctl() CPSW_CTL_P0_ENABLE /* Enable port 0 */
#define SWITCH_MAX_PKT_SIZE 9000
/* Register offsets */
#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)
/* Register values */
#define CPSW_REG_VAL_STAT_ENABLE_ALL 0xf
#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 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
#define TARGET_SGMII_BASE KS2_PASS_BASE + 0x00090100
#define TARGET_SGMII_BASE_ADDRESSES {KS2_PASS_BASE + 0x00090100, \
KS2_PASS_BASE + 0x00090200, \
KS2_PASS_BASE + 0x00090400, \
KS2_PASS_BASE + 0x00090500}
#define SGMII_OFFSET(x) ((x <= 1) ? (x * 0x100) : ((x * 0x100) + 0x100))
/*
* SGMII registers
*/
#define SGMII_IDVER_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x000)
#define SGMII_SRESET_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x004)
#define SGMII_CTL_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x010)
#define SGMII_STATUS_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x014)
#define SGMII_MRADV_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x018)
#define SGMII_LPADV_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x020)
#define SGMII_TXCFG_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x030)
#define SGMII_RXCFG_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x034)
#define SGMII_AUXCFG_REG(x) (TARGET_SGMII_BASE + SGMII_OFFSET(x) + 0x038)
#define DEVICE_EMACSL_BASE(x) (KS2_PASS_BASE + 0x00090900 + (x) * 0x040)
#define DEVICE_N_GMACSL_PORTS 4
#define DEVICE_EMACSL_RESET_POLL_COUNT 100
#define DEVICE_PSTREAM_CFG_REG_ADDR (KS2_PASS_BASE + 0x604)
#ifdef CONFIG_SOC_K2HK
#define DEVICE_PSTREAM_CFG_REG_VAL_ROUTE_CPPI 0x06060606
#endif
#define hw_config_streaming_switch() \
DEVICE_REG32_W(DEVICE_PSTREAM_CFG_REG_ADDR, \
DEVICE_PSTREAM_CFG_REG_VAL_ROUTE_CPPI);
/* EMAC MDIO Registers Structure */
struct mdio_regs {
dv_reg version;
dv_reg control;
dv_reg alive;
dv_reg link;
dv_reg linkintraw;
dv_reg linkintmasked;
u_int8_t rsvd0[8];
dv_reg userintraw;
dv_reg userintmasked;
dv_reg userintmaskset;
dv_reg userintmaskclear;
u_int8_t rsvd1[80];
dv_reg useraccess0;
dv_reg userphysel0;
dv_reg useraccess1;
dv_reg userphysel1;
};
/* Ethernet MAC Registers Structure */
struct emac_regs {
dv_reg idver;
dv_reg maccontrol;
dv_reg macstatus;
dv_reg soft_reset;
dv_reg rx_maxlen;
u32 rsvd0;
dv_reg rx_pause;
dv_reg tx_pause;
dv_reg emcontrol;
dv_reg pri_map;
u32 rsvd1[6];
};
#define SGMII_ACCESS(port, reg) \
*((volatile unsigned int *)(sgmiis[port] + reg))
struct eth_priv_t {
char int_name[32];
int rx_flow;
int phy_addr;
int slave_port;
int sgmii_link_type;
};
extern struct eth_priv_t eth_priv_cfg[];
int keystone2_emac_initialize(struct eth_priv_t *eth_priv);
void sgmii_serdes_setup_156p25mhz(void);
void sgmii_serdes_shutdown(void);
#endif /* _EMAC_DEFS_H_ */
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