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imxrt: Added support for DP83825I PHY

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Signed-off-by: Michal Lenc <lencmich@fel.cvut.cz>
This commit is contained in:
Michal Lenc 2020-11-20 22:57:13 +01:00 committed by Alan Carvalho de Assis
parent 8f9ca79ffc
commit 8cf6cfda1a
3 changed files with 100 additions and 6 deletions
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29
arch/arm/src/imxrt/imxrt_enet.c
View file

@ -186,6 +186,7 @@
*
* The imxrt1050-evk board uses a KSZ8081 PHY
* The Versiboard2 uses a LAN8720 PHY
* The Teensy-4.1 board uses a DP83825I PHY
*
* ...and further PHY descriptions here.
*/
@ -208,6 +209,15 @@
# define BOARD_PHY_10BASET(s) (((s)&MII_LAN8720_SPSCR_10MBPS) != 0)
# define BOARD_PHY_100BASET(s) (((s)&MII_LAN8720_SPSCR_100MBPS) != 0)
# define BOARD_PHY_ISDUPLEX(s) (((s)&MII_LAN8720_SPSCR_DUPLEX) != 0)
#elif defined(CONFIG_ETH0_PHY_DP83825I)
# define BOARD_PHY_NAME "DP83825I"
# define BOARD_PHYID1 MII_PHYID1_DP83825I
# define BOARD_PHYID2 MII_PHYID2_DP83825I
# define BOARD_PHY_STATUS MII_DP83825I_PHYSTS
# define BOARD_PHY_ADDR (0)
# define BOARD_PHY_10BASET(s) (((s) & MII_DP83825I_PHYSTS_SPEED) != 0)
# define BOARD_PHY_100BASET(s) (((s) & MII_DP83825I_PHYSTS_SPEED) == 0)
# define BOARD_PHY_ISDUPLEX(s) (((s) & MII_DP83825I_PHYSTS_DUPLEX) != 0)
#else
# error "Unrecognized or missing PHY selection"
#endif
@ -2164,6 +2174,25 @@ static inline int imxrt_initphy(struct imxrt_driver_s *priv, bool renogphy)
/* ...and reset PHY */
imxrt_writemii(priv, phyaddr, MII_MCR, MII_MCR_RESET);
#elif defined (CONFIG_ETH0_PHY_DP83825I)
/* Reset PHY */
imxrt_writemii(priv, phyaddr, MII_MCR, MII_MCR_RESET);
/* Set RMII mode and Indicate 50MHz clock */
imxrt_writemii(priv, phyaddr, MII_DP83825I_RCSR,
MII_DP83825I_RCSC_ELAST_2 | MII_DP83825I_RCSC_RMIICS);
imxrt_writemii(priv, phyaddr, MII_ADVERTISE,
MII_ADVERTISE_100BASETXFULL |
MII_ADVERTISE_100BASETXHALF |
MII_ADVERTISE_10BASETXFULL |
MII_ADVERTISE_10BASETXHALF |
MII_ADVERTISE_CSMA);
#endif
/* Start auto negotiation */

6
drivers/net/Kconfig
View file

@ -389,6 +389,9 @@ config ETH0_PHY_KSZ90x1
config ETH0_PHY_DP83848C
bool "National Semiconductor DP83848C PHY"
config ETH0_PHY_DP83825I
bool "Texas Instruments DP83825I PHY"
config ETH0_PHY_TJA1100
bool "NXP TJA1100 PHY"
select ARCH_PHY_100BASE_T1
@ -445,6 +448,9 @@ config ETH1_PHY_KSZ90x1
config ETH1_PHY_DP83848C
bool "National Semiconductor DP83848C PHY"
config ETH1_PHY_DP83825I
bool "Texas Instruments DP83825I PHY"
config ETH1_PHY_TJA1100
bool "NXP TJA1100 PHY"
select ARCH_PHY_100BASE_T1

71
include/nuttx/net/mii.h
View file

@ -71,9 +71,13 @@
#define MII_MMDCONTROL 0x0d /* MMD access control register */
#define MII_ESTATUS 0x0f /* Extended status register */
/* Extended Registers: Registers 16-31 may be used for vendor specific abilities */
/* Extended Registers: Registers 16-31 may be used for vendor specific
* abilities
*/
/* National Semiconductor DP83840: 0x07-0x11, 0x14, 0x1a, 0x1d-0x1f reserved */
/* National Semiconductor DP83840: 0x07-0x11, 0x14, 0x1a, 0x1d-0x1f
* reserved
*/
#define MII_DP83840_COUNTER 0x12 /* Disconnect counter */
#define MII_DP83840_FCSCOUNTER 0x13 /* False carrier sense counter */
@ -143,7 +147,9 @@
#define MII_KSZ8081_PHYCTRL1 0x1e /* PHY Control 1 */
#define MII_KSZ8081_PHYCTRL2 0x1f /* PHY Control 2 */
/* National Semiconductor DP83848C PHY Extended Registers. 0x8-0x15, 0x13, 0x1c reserved */
/* National Semiconductor DP83848C PHY Extended Registers.
* 0x8-0x15, 0x13, 0x1c reserved
*/
#define MII_DP83848C_STS 0x10 /* RO PHY Status Register */
#define MII_DP83848C_MICR 0x11 /* RW MII Interrupt Control Register */
@ -158,6 +164,24 @@
#define MII_DP83848C_CDCTRL1 0x1b /* RW CD Test Control Register and BIST Extensions Register */
#define MII_DP83848C_EDCR 0x1e /* RW Energy Detect Control Register */
/* Texas Instruments DP83825I PHY Extended Registers. */
#define MII_DP83825I_PHYSTS 0x10 /* RO PHY Status Register */
#define MII_DP83825I_PHYSCR 0x11 /* RW PHY Specific Control Register */
#define MII_DP83825I_MISR1 0x12 /* RO MII Interrupt Status Register 1 */
#define MII_DP83825I_MISR2 0x13 /* RO MII Interrupt Status Register 2 */
#define MII_DP83825I_FCSCR 0x14 /* RO False Carrier Sense Counter Register */
#define MII_DP83825I_RECR 0x15 /* RO Receive Error Counter Register */
#define MII_DP83825I_BICSR 0x16 /* RW BIST Control Register */
#define MII_DP83825I_RCSR 0x17 /* RW RMII and Control and Status Register */
#define MII_DP83825I_LEDCR 0x18 /* RW LED Direct Control Register */
#define MII_DP83825I_PHYCR 0x19 /* RW PHY Control Register */
#define MII_DP83825I_10BTSCR 0x1a /* RW 10Base-T Status/Control Register */
#define MII_DP83825I_BICSR1 0x1b /* RW BIST Control Register 1 */
#define MII_DP83825I_BICSR2 0x1c /* RW BIST Control Register 2 */
#define MII_DP83825I_LEDCR 0x1e /* RW Energy Detect Control Register */
#define MII_DP83825I_PHYRCR 0x1f /* RW PHY Reset Control Register */
/* SMSC LAN8720 PHY Extended Registers */
#define MII_LAN8720_REV 0x10 /* Silicon Revision Register */
@ -219,7 +243,9 @@
#define MII_MSR_100BASETXFULL (1 << 14) /* Bit 14: 100BASE-TX full duplex able */
#define MII_MSR_100BASET4 (1 << 15) /* Bit 15: 100BASE-T4 able */
/* MII ID1 register bits: Bits 3-18 of the Organizationally Unique identifier (OUI) */
/* MII ID1 register bits: Bits 3-18 of the Organizationally Unique
* identifier (OUI)
*/
/* MII ID2 register bits */
@ -318,6 +344,7 @@
# define MII_MMDCONTROL_FUNC_WINCR (3 << MII_MMDCONTROL_FUNC_SHIFT) /* Data, post incr on writes */
/* Extended status register */
/* Bits 0-11: Reserved */
#define MII_ESTATUS_1000BASETHALF (1 << 12) /* Bit 12: 1000BASE-T Half Duplex able */
#define MII_ESTATUS_1000BASETFULL (1 << 13) /* Bit 13: 1000BASE-T Full Duplex able */
@ -348,6 +375,30 @@
#define MII_RBR_RMIIREV10 (1 << 4) /* Bit 4: 0=RMIIv1.2 1-RMIIv1.0 */
#define MII_RBR_RMIIMODE (1 << 5) /* Bit 5: 0=MII mode 1=RMII mode */
/* Texas Instruments DP83825I ***********************************************/
/* DP838825I MII ID1/2 register bits */
#define MII_PHYID1_DP83825I 0x2000 /* ID1 value for DP838825 */
#define MII_PHYID2_DP83825I 0xa140 /* ID2 value for DP838825 */
/* PHYSTS Register (0x10) */
#define MII_DP83825I_PHYSTS_SPEED (1 << 1) /* Bit 2: Speed Status Register */
#define MII_DP83825I_PHYSTS_DUPLEX (1 << 2) /* Bit 3: Duplex Status Register */
/* RCSC Register (0x17) */
#define MII_DP83825I_RCSC_ELAST_MASK 0x0003 /* Bits 0-1: Receive elasticity buffer */
# define MII_DP83825I_RCSC_ELAST_14 0x0000 /* 14 bit tolerance */
# define MII_DP83825I_RCSC_ELAST_2 0x0001 /* 2 bit tolerance */
# define MII_DP83825I_RCSC_ELAST_6 0x0002 /* 6 bit tolerance */
# define MII_DP83825I_RCSC_ELAST_10 0x0003 /* 10 bit tolerance */
#define MII_DP83825I_RCSC_RXUNFSTS (1 << 2) /* Bit 2: RX FIFO underflow */
#define MII_DP83825I_RCSC_RXOVFSTS (1 << 3) /* Bit 3: RX FIFO overflow */
#define MII_DP83825I_RCSC_RMIIREV10 (1 << 4) /* Bit 4: 0=RMIIv1.2 1-RMIIv1.0 */
#define MII_DP83825I_RCSC_RMIICS (1 << 7) /* Bit 7: 0=25MHz 1=50MHz */
/* SMSC LAN8720 *************************************************************/
/* SMSC LAN8720 MII ID1/2 register bits */
@ -480,7 +531,7 @@
#define LM_LEDCONFIG_LED0_10BASET (6 << LM_LEDCONFIG_LED0_SHIFT) /* 10BASE-T mode */
#define LM_LEDCONFIG_LED0_FDUPLEX (7 << LM_LEDCONFIG_LED0_SHIFT) /* Full duplex */
#define LM_LEDCONFIG_LED0_OKRXTX (8 << LM_LEDCONFIG_LED0_SHIFT) /* Full duplex */
#define LM_LEDCONFIG_LED1_SHIFT (4) /* Bits 7-4: LED1 Source */
#define LM_LEDCONFIG_LED1_SHIFT (4) /* Bits 7-4: LED1 Source */
#define LM_LEDCONFIG_LED1_MASK (0x0f << LM_LEDCONFIG_LED1_SHIFT)
#define LM_LEDCONFIG_LED1_LINKOK (0 << LM_LEDCONFIG_LED1_SHIFT) /* Link OK */
#define LM_LEDCONFIG_LED1_RXTX (1 << LM_LEDCONFIG_LED1_SHIFT) /* RX or TX activity */
@ -543,6 +594,7 @@
# define KS8721_10BTCR_MODE_10BTFD (5 << KS8721_10BTCR_MODE_SHIFT) /* 10BASE-T full duplex */
# define KS8721_10BTCR_MODE_100BTFD (6 << KS8721_10BTCR_MODE_SHIFT) /* 100BASE-T full duplex */
# define KS8721_10BTCR_MODE_ISOLATE (7 << KS8721_10BTCR_MODE_SHIFT) /* PHY/MII isolate */
#define KS8721_10BTCR_ISOLATE (1 << 5) /* Bit 5: PHY isolate */
#define KS8721_10BTCR_PAUSE (1 << 6) /* Bit 6: Enable pause */
#define KS8721_10BTCR_ANEGCOMP (1 << 7) /* Bit 7: Auto-negotiation complete */
@ -567,9 +619,11 @@
#define MII_PHYID2_KSZ8081 0x1560 /* ID2 value for Micrel KSZ8081 */
/* KSZ8081 Digital Reserve Control */
/* Bits 5-15: Reserved */
#define KSZ8081_DRCTRL_PLLOFF (1 << 4) /* Bit 4: Turn PLL off in EDPD mode */
/* Bits 0-3: Reserved */
/* KSZ8041/51/81 Register 0x1b: Interrupt control/status */
#define MII_KSZ80X1_INT_JEN (1 << 15) /* Jabber interrupt enable */
@ -613,10 +667,12 @@
# define MII_PHYCTRL2_MODE_DUPLEX (4 << MII_PHYCTRL2_MODE_SHIFT) /* Full duplex */
# define MII_PHYCTRL2_MODE_10FDX (5 << MII_PHYCTRL2_MODE_SHIFT) /* 10Base-T full-duplex */
# define MII_PHYCTRL2_MODE_100FDX (6 << MII_PHYCTRL2_MODE_SHIFT) /* 100Base-T full-duplex */
#define MII_PHYCTRL2_SEQTEST (1 << 1) /* Bit 1: Enable SQE test */
#define MII_PHYCTRL2_DISDS (1 << 0) /* Bit 1: Disable data scrambling */
/* KSZ8051/81 Register 0x1e: PHY Control 1 */
/* Bits 10-15: Reserved */
#define MII_PHYCTRL1_ENPAUSE (1 << 9) /* Bit 9: Enable pause */
#define MII_PHYCTRL1_LINKSTATUS (1 << 8) /* Bit 8: Link status */
@ -721,6 +777,7 @@
# define MII_CONFIG2_SNR_AV64 (1 << MII_CONFIG2_SNR_SHIFT) /* signal to noise ratio averaging over 64 symbols */
# define MII_CONFIG2_SNR_AV128 (2 << MII_CONFIG2_SNR_SHIFT) /* signal to noise ratio averaging over 128 symbols */
# define MII_CONFIG2_SNR_AV256 (3 << MII_CONFIG2_SNR_SHIFT) /* signal to noise ratio averaging over 256 symbols */
#define MII_CONFIG2_WLIM_SHIFT (6) /* SQI warning limit */
#define MII_CONFIG2_WLIM_MASK (7 << MII_CONFIG2_WLIM_SHIFT)
# define MII_CONFIG2_WLIM_NO (0 << MII_CONFIG2_WLIM_SHIFT) /* no warning */
@ -731,6 +788,7 @@
# define MII_CONFIG2_WLIM_E (5 << MII_CONFIG2_WLIM_SHIFT) /* Class E SNR warning limit */
# define MII_CONFIG2_WLIM_F (6 << MII_CONFIG2_WLIM_SHIFT) /* Class F SNR warning limit */
# define MII_CONFIG2_WLIM_G (7 << MII_CONFIG2_WLIM_SHIFT) /* Class G SNR warning limit */
#define MII_CONFIG2_SNR_F_SHIFT (3) /* signal to noise ratio fail limit */
#define MII_CONFIG2_SNR_F_MASK (7 << MII_CONFIG2_SNR_F_SHIFT)
# define MII_CONFIG2_SNR_F_NL (0 << MII_CONFIG2_SNR_F_SHIFT) /* no limit */
@ -741,8 +799,9 @@
# define MII_CONFIG2_SNR_F_CLE (5 << MII_CONFIG2_SNR_F_SHIFT) /* Class E */
# define MII_CONFIG2_SNR_F_CLF (6 << MII_CONFIG2_SNR_F_SHIFT) /* Class F */
# define MII_CONFIG2_SNR_F_CLG (7 << MII_CONFIG2_SNR_F_SHIFT) /* Class G */
#define MII_CONFIG2_JUMBO_EN (1 << 2) /* enable packets up to 16 kB instead of 4 kB */
#define MII_CONFIG2_SLP_T_SHIFT (0) /* sleep request timeout */
#define MII_CONFIG2_SLP_T_SHIFT (0) /* sleep request timeout */
#define MII_CONFIG2_SLP_T_MASK (3 << MII_CONFIG2_SLP_T_SHIFT)
# define MII_CONFIG2_SLP_T_04 (0 << MII_CONFIG2_SLP_T_SHIFT) /* sleep request timeout 0.4 ms */
# define MII_CONFIG2_SLP_T_1 (1 << MII_CONFIG2_SLP_T_SHIFT) /* sleep request timeout 1 ms */