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	The sgmii mode init flow is almost the same for all mediatek SoC, the only difference is the register offset(SGMSYS_GEN2_SPEED) is 0x2028 in the old chip(mt7622) but changed to 0x128 for the newer chip(mt7629 and the following chips). Signed-off-by: MarkLee <Mark-MC.Lee@mediatek.com>
		
			
				
	
	
		
			416 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			416 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| /*
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|  * Copyright (C) 2018 MediaTek Inc.
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|  *
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|  * Author: Weijie Gao <weijie.gao@mediatek.com>
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|  * Author: Mark Lee <mark-mc.lee@mediatek.com>
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|  */
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| 
 | |
| #ifndef _MTK_ETH_H_
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| #define _MTK_ETH_H_
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| 
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| /* Frame Engine Register Bases */
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| #include <linux/bitops.h>
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| #define PDMA_BASE			0x0800
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| #define GDMA1_BASE			0x0500
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| #define GDMA2_BASE			0x1500
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| #define GMAC_BASE			0x10000
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| 
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| /* Ethernet subsystem registers */
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| 
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| #define ETHSYS_SYSCFG0_REG		0x14
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| #define SYSCFG0_GE_MODE_S(n)		(12 + ((n) * 2))
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| #define SYSCFG0_GE_MODE_M		0x3
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| #define SYSCFG0_SGMII_SEL_M		(0x3 << 8)
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| #define SYSCFG0_SGMII_SEL(gmac)		((!(gmac)) ? BIT(9) : BIT(8))
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| 
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| #define ETHSYS_CLKCFG0_REG		0x2c
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| #define ETHSYS_TRGMII_CLK_SEL362_5	BIT(11)
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| 
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| /* SYSCFG0_GE_MODE: GE Modes */
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| #define GE_MODE_RGMII			0
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| #define GE_MODE_MII			1
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| #define GE_MODE_MII_PHY			2
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| #define GE_MODE_RMII			3
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| 
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| /* SGMII subsystem config registers */
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| #define SGMSYS_PCS_CONTROL_1		0x0
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| #define SGMII_LINK_STATUS		BIT(18)
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| #define SGMII_AN_ENABLE			BIT(12)
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| #define SGMII_AN_RESTART		BIT(9)
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| 
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| #define SGMSYS_SGMII_MODE		0x20
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| #define SGMII_FORCE_MODE		0x31120019
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| 
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| #define SGMSYS_QPHY_PWR_STATE_CTRL	0xe8
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| #define SGMII_PHYA_PWD			BIT(4)
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| 
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| #define SGMSYS_GEN2_SPEED		0x2028
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| #define SGMSYS_GEN2_SPEED_V2		0x128
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| #define SGMSYS_SPEED_2500		BIT(2)
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| 
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| /* Frame Engine Registers */
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| 
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| /* PDMA */
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| #define TX_BASE_PTR_REG(n)		(0x000 + (n) * 0x10)
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| #define TX_MAX_CNT_REG(n)		(0x004 + (n) * 0x10)
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| #define TX_CTX_IDX_REG(n)		(0x008 + (n) * 0x10)
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| #define TX_DTX_IDX_REG(n)		(0x00c + (n) * 0x10)
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| 
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| #define RX_BASE_PTR_REG(n)		(0x100 + (n) * 0x10)
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| #define RX_MAX_CNT_REG(n)		(0x104 + (n) * 0x10)
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| #define RX_CRX_IDX_REG(n)		(0x108 + (n) * 0x10)
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| #define RX_DRX_IDX_REG(n)		(0x10c + (n) * 0x10)
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| 
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| #define PDMA_GLO_CFG_REG		0x204
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| #define TX_WB_DDONE			BIT(6)
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| #define RX_DMA_BUSY			BIT(3)
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| #define RX_DMA_EN			BIT(2)
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| #define TX_DMA_BUSY			BIT(1)
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| #define TX_DMA_EN			BIT(0)
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| 
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| #define PDMA_RST_IDX_REG		0x208
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| #define RST_DRX_IDX0			BIT(16)
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| #define RST_DTX_IDX0			BIT(0)
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| 
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| /* GDMA */
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| #define GDMA_IG_CTRL_REG		0x000
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| #define GDM_ICS_EN			BIT(22)
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| #define GDM_TCS_EN			BIT(21)
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| #define GDM_UCS_EN			BIT(20)
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| #define STRP_CRC			BIT(16)
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| #define MYMAC_DP_S			12
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| #define MYMAC_DP_M			0xf000
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| #define BC_DP_S				8
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| #define BC_DP_M				0xf00
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| #define MC_DP_S				4
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| #define MC_DP_M				0xf0
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| #define UN_DP_S				0
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| #define UN_DP_M				0x0f
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| 
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| #define GDMA_MAC_LSB_REG		0x008
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| 
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| #define GDMA_MAC_MSB_REG		0x00c
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| 
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| /* MYMAC_DP/BC_DP/MC_DP/UN_DP: Destination ports */
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| #define DP_PDMA				0
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| #define DP_GDMA1			1
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| #define DP_GDMA2			2
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| #define DP_PPE				4
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| #define DP_QDMA				5
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| #define DP_DISCARD			7
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| 
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| /* GMAC Registers */
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| 
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| #define GMAC_PIAC_REG			0x0004
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| #define PHY_ACS_ST			BIT(31)
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| #define MDIO_REG_ADDR_S			25
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| #define MDIO_REG_ADDR_M			0x3e000000
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| #define MDIO_PHY_ADDR_S			20
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| #define MDIO_PHY_ADDR_M			0x1f00000
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| #define MDIO_CMD_S			18
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| #define MDIO_CMD_M			0xc0000
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| #define MDIO_ST_S			16
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| #define MDIO_ST_M			0x30000
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| #define MDIO_RW_DATA_S			0
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| #define MDIO_RW_DATA_M			0xffff
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| 
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| /* MDIO_CMD: MDIO commands */
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| #define MDIO_CMD_ADDR			0
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| #define MDIO_CMD_WRITE			1
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| #define MDIO_CMD_READ			2
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| #define MDIO_CMD_READ_C45		3
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| 
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| /* MDIO_ST: MDIO start field */
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| #define MDIO_ST_C45			0
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| #define MDIO_ST_C22			1
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| 
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| #define GMAC_PORT_MCR(p)		(0x0100 + (p) * 0x100)
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| #define MAC_RX_PKT_LEN_S		24
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| #define MAC_RX_PKT_LEN_M		0x3000000
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| #define IPG_CFG_S			18
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| #define IPG_CFG_M			0xc0000
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| #define MAC_MODE			BIT(16)
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| #define FORCE_MODE			BIT(15)
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| #define MAC_TX_EN			BIT(14)
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| #define MAC_RX_EN			BIT(13)
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| #define BKOFF_EN			BIT(9)
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| #define BACKPR_EN			BIT(8)
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| #define FORCE_RX_FC			BIT(5)
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| #define FORCE_TX_FC			BIT(4)
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| #define FORCE_SPD_S			2
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| #define FORCE_SPD_M			0x0c
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| #define FORCE_DPX			BIT(1)
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| #define FORCE_LINK			BIT(0)
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| 
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| /* Values of IPG_CFG */
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| #define IPG_96BIT			0
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| #define IPG_96BIT_WITH_SHORT_IPG	1
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| #define IPG_64BIT			2
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| 
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| /* MAC_RX_PKT_LEN: Max RX packet length */
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| #define MAC_RX_PKT_LEN_1518		0
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| #define MAC_RX_PKT_LEN_1536		1
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| #define MAC_RX_PKT_LEN_1552		2
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| #define MAC_RX_PKT_LEN_JUMBO		3
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| 
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| /* FORCE_SPD: Forced link speed */
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| #define SPEED_10M			0
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| #define SPEED_100M			1
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| #define SPEED_1000M			2
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| 
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| #define GMAC_TRGMII_RCK_CTRL		0x300
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| #define RX_RST				BIT(31)
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| #define RXC_DQSISEL			BIT(30)
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| 
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| #define GMAC_TRGMII_TD_ODT(n)		(0x354 + (n) * 8)
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| #define TD_DM_DRVN_S			4
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| #define TD_DM_DRVN_M			0xf0
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| #define TD_DM_DRVP_S			0
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| #define TD_DM_DRVP_M			0x0f
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| 
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| /* MT7530 Registers */
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| 
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| #define PCR_REG(p)			(0x2004 + (p) * 0x100)
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| #define PORT_MATRIX_S			16
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| #define PORT_MATRIX_M			0xff0000
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| 
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| #define PVC_REG(p)			(0x2010 + (p) * 0x100)
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| #define STAG_VPID_S			16
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| #define STAG_VPID_M			0xffff0000
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| #define VLAN_ATTR_S			6
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| #define VLAN_ATTR_M			0xc0
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| 
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| /* VLAN_ATTR: VLAN attributes */
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| #define VLAN_ATTR_USER			0
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| #define VLAN_ATTR_STACK			1
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| #define VLAN_ATTR_TRANSLATION		2
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| #define VLAN_ATTR_TRANSPARENT		3
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| 
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| #define PMCR_REG(p)			(0x3000 + (p) * 0x100)
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| /* XXX: all fields of MT7530 are defined under GMAC_PORT_MCR
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|  * MT7531 specific fields are defined below
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|  */
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| #define FORCE_MODE_EEE1G		BIT(25)
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| #define FORCE_MODE_EEE100		BIT(26)
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| #define FORCE_MODE_TX_FC		BIT(27)
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| #define FORCE_MODE_RX_FC		BIT(28)
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| #define FORCE_MODE_DPX			BIT(29)
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| #define FORCE_MODE_SPD			BIT(30)
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| #define FORCE_MODE_LNK			BIT(31)
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| #define MT7531_FORCE_MODE		FORCE_MODE_EEE1G | FORCE_MODE_EEE100 |\
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| 					FORCE_MODE_TX_FC | FORCE_MODE_RX_FC | \
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| 					FORCE_MODE_DPX   | FORCE_MODE_SPD | \
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| 					FORCE_MODE_LNK
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| 
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| /* MT7531 SGMII Registers */
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| #define MT7531_SGMII_REG_BASE		0x5000
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| #define MT7531_SGMII_REG_PORT_BASE	0x1000
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| #define MT7531_SGMII_REG(p, r)		(MT7531_SGMII_REG_BASE + \
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| 					(p) * MT7531_SGMII_REG_PORT_BASE + (r))
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| #define MT7531_PCS_CONTROL_1(p)		MT7531_SGMII_REG(((p) - 5), 0x00)
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| #define MT7531_SGMII_MODE(p)		MT7531_SGMII_REG(((p) - 5), 0x20)
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| #define MT7531_QPHY_PWR_STATE_CTRL(p)	MT7531_SGMII_REG(((p) - 5), 0xe8)
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| #define MT7531_PHYA_CTRL_SIGNAL3(p)	MT7531_SGMII_REG(((p) - 5), 0x128)
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| /* XXX: all fields of MT7531 SGMII  are defined under SGMSYS */
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| 
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| /* MT753x System Control Register */
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| #define SYS_CTRL_REG			0x7000
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| #define SW_PHY_RST			BIT(2)
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| #define SW_SYS_RST			BIT(1)
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| #define SW_REG_RST			BIT(0)
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| 
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| /* MT7531  */
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| #define MT7531_PHY_IAC			0x701c
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| /* XXX: all fields are defined under GMAC_PIAC_REG */
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| 
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| #define MT7531_CLKGEN_CTRL		0x7500
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| #define CLK_SKEW_OUT_S			8
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| #define CLK_SKEW_OUT_M			0x300
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| #define CLK_SKEW_IN_S			6
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| #define CLK_SKEW_IN_M			0xc0
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| #define RXCLK_NO_DELAY			BIT(5)
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| #define TXCLK_NO_REVERSE		BIT(4)
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| #define GP_MODE_S			1
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| #define GP_MODE_M			0x06
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| #define GP_CLK_EN			BIT(0)
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| 
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| /* Values of GP_MODE */
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| #define GP_MODE_RGMII			0
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| #define GP_MODE_MII			1
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| #define GP_MODE_REV_MII			2
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| 
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| /* Values of CLK_SKEW_IN */
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| #define CLK_SKEW_IN_NO_CHANGE		0
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| #define CLK_SKEW_IN_DELAY_100PPS	1
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| #define CLK_SKEW_IN_DELAY_200PPS	2
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| #define CLK_SKEW_IN_REVERSE		3
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| 
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| /* Values of CLK_SKEW_OUT */
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| #define CLK_SKEW_OUT_NO_CHANGE		0
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| #define CLK_SKEW_OUT_DELAY_100PPS	1
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| #define CLK_SKEW_OUT_DELAY_200PPS	2
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| #define CLK_SKEW_OUT_REVERSE		3
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| 
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| #define HWTRAP_REG			0x7800
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| /* MT7530 Modified Hardware Trap Status Registers */
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| #define MHWTRAP_REG			0x7804
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| #define CHG_TRAP			BIT(16)
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| #define LOOPDET_DIS			BIT(14)
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| #define P5_INTF_SEL_S			13
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| #define P5_INTF_SEL_M			0x2000
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| #define SMI_ADDR_S			11
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| #define SMI_ADDR_M			0x1800
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| #define XTAL_FSEL_S			9
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| #define XTAL_FSEL_M			0x600
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| #define P6_INTF_DIS			BIT(8)
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| #define P5_INTF_MODE_S			7
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| #define P5_INTF_MODE_M			0x80
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| #define P5_INTF_DIS			BIT(6)
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| #define C_MDIO_BPS			BIT(5)
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| #define CHIP_MODE_S			0
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| #define CHIP_MODE_M			0x0f
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| 
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| /* P5_INTF_SEL: Interface type of Port5 */
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| #define P5_INTF_SEL_GPHY		0
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| #define P5_INTF_SEL_GMAC5		1
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| 
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| /* P5_INTF_MODE: Interface mode of Port5 */
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| #define P5_INTF_MODE_GMII_MII		0
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| #define P5_INTF_MODE_RGMII		1
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| 
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| #define MT7530_P6ECR			0x7830
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| #define P6_INTF_MODE_M			0x3
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| #define P6_INTF_MODE_S			0
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| 
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| /* P6_INTF_MODE: Interface mode of Port6 */
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| #define P6_INTF_MODE_RGMII		0
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| #define P6_INTF_MODE_TRGMII		1
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| 
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| #define NUM_TRGMII_CTRL			5
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| 
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| #define MT7530_TRGMII_RD(n)		(0x7a10 + (n) * 8)
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| #define RD_TAP_S			0
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| #define RD_TAP_M			0x7f
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| 
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| #define MT7530_TRGMII_TD_ODT(n)		(0x7a54 + (n) * 8)
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| /* XXX: all fields are defined under GMAC_TRGMII_TD_ODT */
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| 
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| /* TOP Signals Status Register */
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| #define MT7531_TOP_SIG_SR		0x780c
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| #define PAD_MCM_SMI_EN			BIT(0)
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| #define PAD_DUAL_SGMII_EN		BIT(1)
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| 
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| /* MT7531 PLLGP Registers */
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| #define MT7531_PLLGP_EN			0x7820
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| #define EN_COREPLL			BIT(2)
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| #define SW_CLKSW			BIT(1)
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| #define SW_PLLGP			BIT(0)
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| 
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| #define MT7531_PLLGP_CR0		0x78a8
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| #define RG_COREPLL_EN			BIT(22)
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| #define RG_COREPLL_POSDIV_S		23
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| #define RG_COREPLL_POSDIV_M		0x3800000
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| #define RG_COREPLL_SDM_PCW_S		1
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| #define RG_COREPLL_SDM_PCW_M		0x3ffffe
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| #define RG_COREPLL_SDM_PCW_CHG		BIT(0)
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| 
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| /* MT7531 RGMII and SGMII PLL clock */
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| #define MT7531_ANA_PLLGP_CR2		0x78b0
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| #define MT7531_ANA_PLLGP_CR5		0x78bc
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| 
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| /* MT7531 GPIO GROUP IOLB SMT0 Control */
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| #define MT7531_SMT0_IOLB		0x7f04
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| #define SMT_IOLB_5_SMI_MDC_EN		BIT(5)
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| 
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| /* MT7530 GPHY MDIO Indirect Access Registers */
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| #define MII_MMD_ACC_CTL_REG		0x0d
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| #define MMD_CMD_S			14
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| #define MMD_CMD_M			0xc000
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| #define MMD_DEVAD_S			0
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| #define MMD_DEVAD_M			0x1f
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| 
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| /* MMD_CMD: MMD commands */
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| #define MMD_ADDR			0
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| #define MMD_DATA			1
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| #define MMD_DATA_RW_POST_INC		2
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| #define MMD_DATA_W_POST_INC		3
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| 
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| #define MII_MMD_ADDR_DATA_REG		0x0e
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| 
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| /* MT7530 GPHY MDIO MMD Registers */
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| #define CORE_PLL_GROUP2			0x401
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| #define RG_SYSPLL_EN_NORMAL		BIT(15)
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| #define RG_SYSPLL_VODEN			BIT(14)
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| #define RG_SYSPLL_POSDIV_S		5
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| #define RG_SYSPLL_POSDIV_M		0x60
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| 
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| #define CORE_PLL_GROUP4			0x403
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| #define MT7531_BYPASS_MODE		BIT(4)
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| #define MT7531_POWER_ON_OFF		BIT(5)
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| #define RG_SYSPLL_DDSFBK_EN		BIT(12)
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| #define RG_SYSPLL_BIAS_EN		BIT(11)
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| #define RG_SYSPLL_BIAS_LPF_EN		BIT(10)
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| 
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| #define CORE_PLL_GROUP5			0x404
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| #define RG_LCDDS_PCW_NCPO1_S		0
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| #define RG_LCDDS_PCW_NCPO1_M		0xffff
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| 
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| #define CORE_PLL_GROUP6			0x405
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| #define RG_LCDDS_PCW_NCPO0_S		0
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| #define RG_LCDDS_PCW_NCPO0_M		0xffff
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| 
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| #define CORE_PLL_GROUP7			0x406
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| #define RG_LCDDS_PWDB			BIT(15)
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| #define RG_LCDDS_ISO_EN			BIT(13)
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| #define RG_LCCDS_C_S			4
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| #define RG_LCCDS_C_M			0x70
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| #define RG_LCDDS_PCW_NCPO_CHG		BIT(3)
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| 
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| #define CORE_PLL_GROUP10		0x409
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| #define RG_LCDDS_SSC_DELTA_S		0
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| #define RG_LCDDS_SSC_DELTA_M		0xfff
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| 
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| #define CORE_PLL_GROUP11		0x40a
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| #define RG_LCDDS_SSC_DELTA1_S		0
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| #define RG_LCDDS_SSC_DELTA1_M		0xfff
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| 
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| #define CORE_GSWPLL_GRP1		0x40d
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| #define RG_GSWPLL_POSDIV_200M_S		12
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| #define RG_GSWPLL_POSDIV_200M_M		0x3000
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| #define RG_GSWPLL_EN_PRE		BIT(11)
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| #define RG_GSWPLL_FBKDIV_200M_S		0
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| #define RG_GSWPLL_FBKDIV_200M_M		0xff
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| 
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| #define CORE_GSWPLL_GRP2		0x40e
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| #define RG_GSWPLL_POSDIV_500M_S		8
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| #define RG_GSWPLL_POSDIV_500M_M		0x300
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| #define RG_GSWPLL_FBKDIV_500M_S		0
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| #define RG_GSWPLL_FBKDIV_500M_M		0xff
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| 
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| #define CORE_TRGMII_GSW_CLK_CG		0x410
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| #define REG_GSWCK_EN			BIT(0)
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| #define REG_TRGMIICK_EN			BIT(1)
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| 
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| /* Extend PHY Control Register 3 */
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| #define PHY_EXT_REG_14			0x14
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| 
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| /* Fields of PHY_EXT_REG_14 */
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| #define PHY_EN_DOWN_SHFIT		BIT(4)
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| 
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| /* Extend PHY Control Register 4 */
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| #define PHY_EXT_REG_17			0x17
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| 
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| /* Fields of PHY_EXT_REG_17 */
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| #define PHY_LINKDOWN_POWER_SAVING_EN	BIT(4)
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| 
 | |
| /* PHY RXADC Control Register 7 */
 | |
| #define PHY_DEV1E_REG_0C6		0x0c6
 | |
| 
 | |
| /* Fields of PHY_DEV1E_REG_0C6 */
 | |
| #define PHY_POWER_SAVING_S		8
 | |
| #define PHY_POWER_SAVING_M		0x300
 | |
| #define PHY_POWER_SAVING_TX		0x0
 | |
| 
 | |
| #endif /* _MTK_ETH_H_ */
 |