drivers/net/bcm-sf2-eth-gmac.h - u-boot - Git at Google

 /*
  * Copyright 2014 Broadcom Corporation.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 #ifndef _BCM_SF2_ETH_GMAC_H_
 #define _BCM_SF2_ETH_GMAC_H_

 #define BCM_SF2_ETH_MAC_NAME	"gmac"

 #ifndef ETHHW_PORT_INT
 #define ETHHW_PORT_INT		8
 #endif

 #define GMAC0_REG_BASE			0x18042000
 #define GMAC0_DEV_CTRL_ADDR		GMAC0_REG_BASE
 #define GMAC0_INT_STATUS_ADDR		(GMAC0_REG_BASE + 0x020)
 #define GMAC0_INTR_RECV_LAZY_ADDR	(GMAC0_REG_BASE + 0x100)
 #define GMAC0_PHY_CTRL_ADDR		(GMAC0_REG_BASE + 0x188)


 #define GMAC_DMA_PTR_OFFSET		0x04
 #define GMAC_DMA_ADDR_LOW_OFFSET	0x08
 #define GMAC_DMA_ADDR_HIGH_OFFSET	0x0c
 #define GMAC_DMA_STATUS0_OFFSET		0x10
 #define GMAC_DMA_STATUS1_OFFSET		0x14

 #define GMAC0_DMA_TX_CTRL_ADDR		(GMAC0_REG_BASE + 0x200)
 #define GMAC0_DMA_TX_PTR_ADDR \
 		(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_PTR_OFFSET)
 #define GMAC0_DMA_TX_ADDR_LOW_ADDR \
 		(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_ADDR_LOW_OFFSET)
 #define GMAC0_DMA_TX_ADDR_HIGH_ADDR \
 		(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_ADDR_HIGH_OFFSET)
 #define GMAC0_DMA_TX_STATUS0_ADDR \
 		(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_STATUS0_OFFSET)
 #define GMAC0_DMA_TX_STATUS1_ADDR \
 		(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_STATUS1_OFFSET)

 #define GMAC0_DMA_RX_CTRL_ADDR		(GMAC0_REG_BASE + 0x220)
 #define GMAC0_DMA_RX_PTR_ADDR \
 		(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_PTR_OFFSET)
 #define GMAC0_DMA_RX_ADDR_LOW_ADDR \
 		(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_ADDR_LOW_OFFSET)
 #define GMAC0_DMA_RX_ADDR_HIGH_ADDR \
 		(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_ADDR_HIGH_OFFSET)
 #define GMAC0_DMA_RX_STATUS0_ADDR \
 		(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_STATUS0_OFFSET)
 #define GMAC0_DMA_RX_STATUS1_ADDR \
 		(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_STATUS1_OFFSET)

 #define UNIMAC0_CMD_CFG_ADDR		(GMAC0_REG_BASE + 0x808)
 #define UNIMAC0_MAC_MSB_ADDR		(GMAC0_REG_BASE + 0x80c)
 #define UNIMAC0_MAC_LSB_ADDR		(GMAC0_REG_BASE + 0x810)
 #define UNIMAC0_FRM_LENGTH_ADDR		(GMAC0_REG_BASE + 0x814)

 #define GMAC0_IRL_FRAMECOUNT_SHIFT	24

 /* transmit channel control */
 /* transmit enable */
 #define D64_XC_XE		0x00000001
 /* transmit suspend request */
 #define D64_XC_SE		0x00000002
 /* parity check disable */
 #define D64_XC_PD		0x00000800
 /* BurstLen bits */
 #define D64_XC_BL_MASK		0x001C0000
 #define D64_XC_BL_SHIFT		18

 /* transmit descriptor table pointer */
 /* last valid descriptor */
 #define D64_XP_LD_MASK		0x00001fff

 /* transmit channel status */
 /* transmit state */
 #define D64_XS0_XS_MASK		0xf0000000
 #define D64_XS0_XS_SHIFT	28
 #define D64_XS0_XS_DISABLED	0x00000000
 #define D64_XS0_XS_ACTIVE	0x10000000
 #define D64_XS0_XS_IDLE		0x20000000
 #define D64_XS0_XS_STOPPED	0x30000000
 #define D64_XS0_XS_SUSP		0x40000000

 /* receive channel control */
 /* receive enable */
 #define D64_RC_RE		0x00000001
 /* address extension bits */
 #define D64_RC_AE		0x00030000
 /* overflow continue */
 #define D64_RC_OC		0x00000400
 /* parity check disable */
 #define D64_RC_PD		0x00000800
 /* receive frame offset */
 #define D64_RC_RO_MASK		0x000000fe
 #define D64_RC_RO_SHIFT		1
 /* BurstLen bits */
 #define D64_RC_BL_MASK		0x001C0000
 #define D64_RC_BL_SHIFT		18

 /* flags for dma controller */
 /* partity enable */
 #define DMA_CTRL_PEN		(1 << 0)
 /* rx overflow continue */
 #define DMA_CTRL_ROC		(1 << 1)

 /* receive descriptor table pointer */
 /* last valid descriptor */
 #define D64_RP_LD_MASK		0x00001fff

 /* receive channel status */
 /* current descriptor pointer */
 #define D64_RS0_CD_MASK		0x00001fff
 /* receive state */
 #define D64_RS0_RS_MASK		0xf0000000
 #define D64_RS0_RS_SHIFT	28
 #define D64_RS0_RS_DISABLED	0x00000000
 #define D64_RS0_RS_ACTIVE	0x10000000
 #define D64_RS0_RS_IDLE		0x20000000
 #define D64_RS0_RS_STOPPED	0x30000000
 #define D64_RS0_RS_SUSP		0x40000000

 /* descriptor control flags 1 */
 /* core specific flags */
 #define D64_CTRL_COREFLAGS	0x0ff00000
 /* end of descriptor table */
 #define D64_CTRL1_EOT		((uint32_t)1 << 28)
 /* interrupt on completion */
 #define D64_CTRL1_IOC		((uint32_t)1 << 29)
 /* end of frame */
 #define D64_CTRL1_EOF		((uint32_t)1 << 30)
 /* start of frame */
 #define D64_CTRL1_SOF		((uint32_t)1 << 31)

 /* descriptor control flags 2 */
 /* buffer byte count. real data len must <= 16KB */
 #define D64_CTRL2_BC_MASK	0x00007fff
 /* address extension bits */
 #define D64_CTRL2_AE		0x00030000
 #define D64_CTRL2_AE_SHIFT	16
 /* parity bit */
 #define D64_CTRL2_PARITY	0x00040000
 /* control flags in the range [27:20] are core-specific and not defined here */
 #define D64_CTRL_CORE_MASK	0x0ff00000

 #define DC_MROR		0x00000010
 #define PC_MTE		0x00800000

 /* command config */
 #define CC_TE		0x00000001
 #define CC_RE		0x00000002
 #define CC_ES_MASK	0x0000000c
 #define CC_ES_SHIFT	2
 #define CC_PROM		0x00000010
 #define CC_PAD_EN	0x00000020
 #define CC_CF		0x00000040
 #define CC_PF		0x00000080
 #define CC_RPI		0x00000100
 #define CC_TAI		0x00000200
 #define CC_HD		0x00000400
 #define CC_HD_SHIFT	10
 #define CC_SR		0x00002000
 #define CC_ML		0x00008000
 #define CC_AE		0x00400000
 #define CC_CFE		0x00800000
 #define CC_NLC		0x01000000
 #define CC_RL		0x02000000
 #define CC_RED		0x04000000
 #define CC_PE		0x08000000
 #define CC_TPI		0x10000000
 #define CC_AT		0x20000000

 #define I_PDEE		0x00000400
 #define I_PDE		0x00000800
 #define I_DE		0x00001000
 #define I_RDU		0x00002000
 #define I_RFO		0x00004000
 #define I_XFU		0x00008000
 #define I_RI		0x00010000
 #define I_XI0		0x01000000
 #define I_XI1		0x02000000
 #define I_XI2		0x04000000
 #define I_XI3		0x08000000
 #define I_ERRORS	(I_PDEE | I_PDE | I_DE | I_RDU | I_RFO | I_XFU)
 #define DEF_INTMASK	(I_XI0 | I_XI1 | I_XI2 | I_XI3 | I_RI | I_ERRORS)

 #define I_INTMASK	0x0f01fcff

 #define CHIP_DRU_BASE				0x0301d000
 #define CRMU_CHIP_IO_PAD_CONTROL_ADDR		(CHIP_DRU_BASE + 0x0bc)
 #define SWITCH_GLOBAL_CONFIG_ADDR		(CHIP_DRU_BASE + 0x194)

 #define CDRU_IOMUX_FORCE_PAD_IN_SHIFT		0
 #define CDRU_SWITCH_BYPASS_SWITCH_SHIFT		13

 #define AMAC0_IDM_RESET_ADDR			0x18110800
 #define AMAC0_IO_CTRL_DIRECT_ADDR		0x18110408
 #define AMAC0_IO_CTRL_CLK_250_SEL_SHIFT		6
 #define AMAC0_IO_CTRL_GMII_MODE_SHIFT		5
 #define AMAC0_IO_CTRL_DEST_SYNC_MODE_EN_SHIFT	3

 #define CHIPA_CHIP_ID_ADDR			0x18000000
 #define CHIPID		(readl(CHIPA_CHIP_ID_ADDR) & 0xFFFF)
 #define CHIPREV		(((readl(CHIPA_CHIP_ID_ADDR) >> 16) & 0xF)
 #define CHIPSKU		(((readl(CHIPA_CHIP_ID_ADDR) >> 20) & 0xF)

 #define GMAC_MII_CTRL_ADDR		0x18002000
 #define GMAC_MII_CTRL_BYP_SHIFT		10
 #define GMAC_MII_CTRL_EXT_SHIFT		9
 #define GMAC_MII_DATA_ADDR		0x18002004
 #define GMAC_MII_DATA_READ_CMD		0x60020000
 #define GMAC_MII_DATA_WRITE_CMD		0x50020000
 #define GMAC_MII_BUSY_SHIFT		8
 #define GMAC_MII_PHY_ADDR_SHIFT		23
 #define GMAC_MII_PHY_REG_SHIFT		18

 #define GMAC_RESET_DELAY		2
 #define HWRXOFF				30
 #define MAXNAMEL			8
 #define NUMTXQ				4

 int gmac_add(struct eth_device *dev);

 #endif /* _BCM_SF2_ETH_GMAC_H_ */
	/*
	* Copyright 2014 Broadcom Corporation.
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	#ifndef _BCM_SF2_ETH_GMAC_H_
	#define _BCM_SF2_ETH_GMAC_H_

	#define BCM_SF2_ETH_MAC_NAME "gmac"

	#ifndef ETHHW_PORT_INT
	#define ETHHW_PORT_INT 8
	#endif

	#define GMAC0_REG_BASE 0x18042000
	#define GMAC0_DEV_CTRL_ADDR GMAC0_REG_BASE
	#define GMAC0_INT_STATUS_ADDR (GMAC0_REG_BASE + 0x020)
	#define GMAC0_INTR_RECV_LAZY_ADDR (GMAC0_REG_BASE + 0x100)
	#define GMAC0_PHY_CTRL_ADDR (GMAC0_REG_BASE + 0x188)


	#define GMAC_DMA_PTR_OFFSET 0x04
	#define GMAC_DMA_ADDR_LOW_OFFSET 0x08
	#define GMAC_DMA_ADDR_HIGH_OFFSET 0x0c
	#define GMAC_DMA_STATUS0_OFFSET 0x10
	#define GMAC_DMA_STATUS1_OFFSET 0x14

	#define GMAC0_DMA_TX_CTRL_ADDR (GMAC0_REG_BASE + 0x200)
	#define GMAC0_DMA_TX_PTR_ADDR \
	(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_PTR_OFFSET)
	#define GMAC0_DMA_TX_ADDR_LOW_ADDR \
	(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_ADDR_LOW_OFFSET)
	#define GMAC0_DMA_TX_ADDR_HIGH_ADDR \
	(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_ADDR_HIGH_OFFSET)
	#define GMAC0_DMA_TX_STATUS0_ADDR \
	(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_STATUS0_OFFSET)
	#define GMAC0_DMA_TX_STATUS1_ADDR \
	(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_STATUS1_OFFSET)

	#define GMAC0_DMA_RX_CTRL_ADDR (GMAC0_REG_BASE + 0x220)
	#define GMAC0_DMA_RX_PTR_ADDR \
	(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_PTR_OFFSET)
	#define GMAC0_DMA_RX_ADDR_LOW_ADDR \
	(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_ADDR_LOW_OFFSET)
	#define GMAC0_DMA_RX_ADDR_HIGH_ADDR \
	(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_ADDR_HIGH_OFFSET)
	#define GMAC0_DMA_RX_STATUS0_ADDR \
	(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_STATUS0_OFFSET)
	#define GMAC0_DMA_RX_STATUS1_ADDR \
	(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_STATUS1_OFFSET)

	#define UNIMAC0_CMD_CFG_ADDR (GMAC0_REG_BASE + 0x808)
	#define UNIMAC0_MAC_MSB_ADDR (GMAC0_REG_BASE + 0x80c)
	#define UNIMAC0_MAC_LSB_ADDR (GMAC0_REG_BASE + 0x810)
	#define UNIMAC0_FRM_LENGTH_ADDR (GMAC0_REG_BASE + 0x814)

	#define GMAC0_IRL_FRAMECOUNT_SHIFT 24

	/* transmit channel control */
	/* transmit enable */
	#define D64_XC_XE 0x00000001
	/* transmit suspend request */
	#define D64_XC_SE 0x00000002
	/* parity check disable */
	#define D64_XC_PD 0x00000800
	/* BurstLen bits */
	#define D64_XC_BL_MASK 0x001C0000
	#define D64_XC_BL_SHIFT 18

	/* transmit descriptor table pointer */
	/* last valid descriptor */
	#define D64_XP_LD_MASK 0x00001fff

	/* transmit channel status */
	/* transmit state */
	#define D64_XS0_XS_MASK 0xf0000000
	#define D64_XS0_XS_SHIFT 28
	#define D64_XS0_XS_DISABLED 0x00000000
	#define D64_XS0_XS_ACTIVE 0x10000000
	#define D64_XS0_XS_IDLE 0x20000000
	#define D64_XS0_XS_STOPPED 0x30000000
	#define D64_XS0_XS_SUSP 0x40000000

	/* receive channel control */
	/* receive enable */
	#define D64_RC_RE 0x00000001
	/* address extension bits */
	#define D64_RC_AE 0x00030000
	/* overflow continue */
	#define D64_RC_OC 0x00000400
	/* parity check disable */
	#define D64_RC_PD 0x00000800
	/* receive frame offset */
	#define D64_RC_RO_MASK 0x000000fe
	#define D64_RC_RO_SHIFT 1
	/* BurstLen bits */
	#define D64_RC_BL_MASK 0x001C0000
	#define D64_RC_BL_SHIFT 18

	/* flags for dma controller */
	/* partity enable */
	#define DMA_CTRL_PEN (1 << 0)
	/* rx overflow continue */
	#define DMA_CTRL_ROC (1 << 1)

	/* receive descriptor table pointer */
	/* last valid descriptor */
	#define D64_RP_LD_MASK 0x00001fff

	/* receive channel status */
	/* current descriptor pointer */
	#define D64_RS0_CD_MASK 0x00001fff
	/* receive state */
	#define D64_RS0_RS_MASK 0xf0000000
	#define D64_RS0_RS_SHIFT 28
	#define D64_RS0_RS_DISABLED 0x00000000
	#define D64_RS0_RS_ACTIVE 0x10000000
	#define D64_RS0_RS_IDLE 0x20000000
	#define D64_RS0_RS_STOPPED 0x30000000
	#define D64_RS0_RS_SUSP 0x40000000

	/* descriptor control flags 1 */
	/* core specific flags */
	#define D64_CTRL_COREFLAGS 0x0ff00000
	/* end of descriptor table */
	#define D64_CTRL1_EOT ((uint32_t)1 << 28)
	/* interrupt on completion */
	#define D64_CTRL1_IOC ((uint32_t)1 << 29)
	/* end of frame */
	#define D64_CTRL1_EOF ((uint32_t)1 << 30)
	/* start of frame */
	#define D64_CTRL1_SOF ((uint32_t)1 << 31)

	/* descriptor control flags 2 */
	/* buffer byte count. real data len must <= 16KB */
	#define D64_CTRL2_BC_MASK 0x00007fff
	/* address extension bits */
	#define D64_CTRL2_AE 0x00030000
	#define D64_CTRL2_AE_SHIFT 16
	/* parity bit */
	#define D64_CTRL2_PARITY 0x00040000
	/* control flags in the range [27:20] are core-specific and not defined here */
	#define D64_CTRL_CORE_MASK 0x0ff00000

	#define DC_MROR 0x00000010
	#define PC_MTE 0x00800000

	/* command config */
	#define CC_TE 0x00000001
	#define CC_RE 0x00000002
	#define CC_ES_MASK 0x0000000c
	#define CC_ES_SHIFT 2
	#define CC_PROM 0x00000010
	#define CC_PAD_EN 0x00000020
	#define CC_CF 0x00000040
	#define CC_PF 0x00000080
	#define CC_RPI 0x00000100
	#define CC_TAI 0x00000200
	#define CC_HD 0x00000400
	#define CC_HD_SHIFT 10
	#define CC_SR 0x00002000
	#define CC_ML 0x00008000
	#define CC_AE 0x00400000
	#define CC_CFE 0x00800000
	#define CC_NLC 0x01000000
	#define CC_RL 0x02000000
	#define CC_RED 0x04000000
	#define CC_PE 0x08000000
	#define CC_TPI 0x10000000
	#define CC_AT 0x20000000

	#define I_PDEE 0x00000400
	#define I_PDE 0x00000800
	#define I_DE 0x00001000
	#define I_RDU 0x00002000
	#define I_RFO 0x00004000
	#define I_XFU 0x00008000
	#define I_RI 0x00010000
	#define I_XI0 0x01000000
	#define I_XI1 0x02000000
	#define I_XI2 0x04000000
	#define I_XI3 0x08000000
	#define I_ERRORS (I_PDEE \| I_PDE \| I_DE \| I_RDU \| I_RFO \| I_XFU)
	#define DEF_INTMASK (I_XI0 \| I_XI1 \| I_XI2 \| I_XI3 \| I_RI \| I_ERRORS)

	#define I_INTMASK 0x0f01fcff

	#define CHIP_DRU_BASE 0x0301d000
	#define CRMU_CHIP_IO_PAD_CONTROL_ADDR (CHIP_DRU_BASE + 0x0bc)
	#define SWITCH_GLOBAL_CONFIG_ADDR (CHIP_DRU_BASE + 0x194)

	#define CDRU_IOMUX_FORCE_PAD_IN_SHIFT 0
	#define CDRU_SWITCH_BYPASS_SWITCH_SHIFT 13

	#define AMAC0_IDM_RESET_ADDR 0x18110800
	#define AMAC0_IO_CTRL_DIRECT_ADDR 0x18110408
	#define AMAC0_IO_CTRL_CLK_250_SEL_SHIFT 6
	#define AMAC0_IO_CTRL_GMII_MODE_SHIFT 5
	#define AMAC0_IO_CTRL_DEST_SYNC_MODE_EN_SHIFT 3

	#define CHIPA_CHIP_ID_ADDR 0x18000000
	#define CHIPID (readl(CHIPA_CHIP_ID_ADDR) & 0xFFFF)
	#define CHIPREV (((readl(CHIPA_CHIP_ID_ADDR) >> 16) & 0xF)
	#define CHIPSKU (((readl(CHIPA_CHIP_ID_ADDR) >> 20) & 0xF)

	#define GMAC_MII_CTRL_ADDR 0x18002000
	#define GMAC_MII_CTRL_BYP_SHIFT 10
	#define GMAC_MII_CTRL_EXT_SHIFT 9
	#define GMAC_MII_DATA_ADDR 0x18002004
	#define GMAC_MII_DATA_READ_CMD 0x60020000
	#define GMAC_MII_DATA_WRITE_CMD 0x50020000
	#define GMAC_MII_BUSY_SHIFT 8
	#define GMAC_MII_PHY_ADDR_SHIFT 23
	#define GMAC_MII_PHY_REG_SHIFT 18

	#define GMAC_RESET_DELAY 2
	#define HWRXOFF 30
	#define MAXNAMEL 8
	#define NUMTXQ 4

	int gmac_add(struct eth_device *dev);

	#endif /* _BCM_SF2_ETH_GMAC_H_ */