224 lines
6.6 KiB
C
224 lines
6.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2014 Broadcom Corporation.
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*/
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#ifndef _BCM_SF2_ETH_GMAC_H_
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#define _BCM_SF2_ETH_GMAC_H_
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#define BCM_SF2_ETH_MAC_NAME "gmac"
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#ifndef ETHHW_PORT_INT
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#define ETHHW_PORT_INT 8
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#endif
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#define GMAC0_REG_BASE 0x18042000
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#define GMAC0_DEV_CTRL_ADDR GMAC0_REG_BASE
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#define GMAC0_INT_STATUS_ADDR (GMAC0_REG_BASE + 0x020)
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#define GMAC0_INTR_RECV_LAZY_ADDR (GMAC0_REG_BASE + 0x100)
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#define GMAC0_PHY_CTRL_ADDR (GMAC0_REG_BASE + 0x188)
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#define GMAC_DMA_PTR_OFFSET 0x04
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#define GMAC_DMA_ADDR_LOW_OFFSET 0x08
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#define GMAC_DMA_ADDR_HIGH_OFFSET 0x0c
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#define GMAC_DMA_STATUS0_OFFSET 0x10
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#define GMAC_DMA_STATUS1_OFFSET 0x14
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#define GMAC0_DMA_TX_CTRL_ADDR (GMAC0_REG_BASE + 0x200)
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#define GMAC0_DMA_TX_PTR_ADDR \
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(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_PTR_OFFSET)
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#define GMAC0_DMA_TX_ADDR_LOW_ADDR \
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(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_ADDR_LOW_OFFSET)
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#define GMAC0_DMA_TX_ADDR_HIGH_ADDR \
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(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_ADDR_HIGH_OFFSET)
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#define GMAC0_DMA_TX_STATUS0_ADDR \
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(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_STATUS0_OFFSET)
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#define GMAC0_DMA_TX_STATUS1_ADDR \
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(GMAC0_DMA_TX_CTRL_ADDR + GMAC_DMA_STATUS1_OFFSET)
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#define GMAC0_DMA_RX_CTRL_ADDR (GMAC0_REG_BASE + 0x220)
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#define GMAC0_DMA_RX_PTR_ADDR \
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(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_PTR_OFFSET)
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#define GMAC0_DMA_RX_ADDR_LOW_ADDR \
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(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_ADDR_LOW_OFFSET)
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#define GMAC0_DMA_RX_ADDR_HIGH_ADDR \
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(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_ADDR_HIGH_OFFSET)
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#define GMAC0_DMA_RX_STATUS0_ADDR \
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(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_STATUS0_OFFSET)
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#define GMAC0_DMA_RX_STATUS1_ADDR \
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(GMAC0_DMA_RX_CTRL_ADDR + GMAC_DMA_STATUS1_OFFSET)
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#define UNIMAC0_CMD_CFG_ADDR (GMAC0_REG_BASE + 0x808)
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#define UNIMAC0_MAC_MSB_ADDR (GMAC0_REG_BASE + 0x80c)
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#define UNIMAC0_MAC_LSB_ADDR (GMAC0_REG_BASE + 0x810)
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#define UNIMAC0_FRM_LENGTH_ADDR (GMAC0_REG_BASE + 0x814)
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#define GMAC0_IRL_FRAMECOUNT_SHIFT 24
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/* transmit channel control */
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/* transmit enable */
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#define D64_XC_XE 0x00000001
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/* transmit suspend request */
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#define D64_XC_SE 0x00000002
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/* parity check disable */
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#define D64_XC_PD 0x00000800
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/* BurstLen bits */
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#define D64_XC_BL_MASK 0x001C0000
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#define D64_XC_BL_SHIFT 18
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/* transmit descriptor table pointer */
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/* last valid descriptor */
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#define D64_XP_LD_MASK 0x00001fff
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/* transmit channel status */
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/* transmit state */
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#define D64_XS0_XS_MASK 0xf0000000
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#define D64_XS0_XS_SHIFT 28
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#define D64_XS0_XS_DISABLED 0x00000000
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#define D64_XS0_XS_ACTIVE 0x10000000
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#define D64_XS0_XS_IDLE 0x20000000
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#define D64_XS0_XS_STOPPED 0x30000000
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#define D64_XS0_XS_SUSP 0x40000000
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/* receive channel control */
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/* receive enable */
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#define D64_RC_RE 0x00000001
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/* address extension bits */
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#define D64_RC_AE 0x00030000
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/* overflow continue */
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#define D64_RC_OC 0x00000400
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/* parity check disable */
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#define D64_RC_PD 0x00000800
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/* receive frame offset */
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#define D64_RC_RO_MASK 0x000000fe
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#define D64_RC_RO_SHIFT 1
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/* BurstLen bits */
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#define D64_RC_BL_MASK 0x001C0000
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#define D64_RC_BL_SHIFT 18
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/* flags for dma controller */
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/* partity enable */
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#define DMA_CTRL_PEN (1 << 0)
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/* rx overflow continue */
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#define DMA_CTRL_ROC (1 << 1)
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/* receive descriptor table pointer */
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/* last valid descriptor */
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#define D64_RP_LD_MASK 0x00001fff
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/* receive channel status */
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/* current descriptor pointer */
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#define D64_RS0_CD_MASK 0x00001fff
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/* receive state */
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#define D64_RS0_RS_MASK 0xf0000000
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#define D64_RS0_RS_SHIFT 28
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#define D64_RS0_RS_DISABLED 0x00000000
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#define D64_RS0_RS_ACTIVE 0x10000000
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#define D64_RS0_RS_IDLE 0x20000000
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#define D64_RS0_RS_STOPPED 0x30000000
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#define D64_RS0_RS_SUSP 0x40000000
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/* descriptor control flags 1 */
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/* core specific flags */
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#define D64_CTRL_COREFLAGS 0x0ff00000
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/* end of descriptor table */
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#define D64_CTRL1_EOT ((uint32_t)1 << 28)
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/* interrupt on completion */
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#define D64_CTRL1_IOC ((uint32_t)1 << 29)
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/* end of frame */
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#define D64_CTRL1_EOF ((uint32_t)1 << 30)
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/* start of frame */
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#define D64_CTRL1_SOF ((uint32_t)1 << 31)
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/* descriptor control flags 2 */
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/* buffer byte count. real data len must <= 16KB */
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#define D64_CTRL2_BC_MASK 0x00007fff
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/* address extension bits */
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#define D64_CTRL2_AE 0x00030000
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#define D64_CTRL2_AE_SHIFT 16
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/* parity bit */
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#define D64_CTRL2_PARITY 0x00040000
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/* control flags in the range [27:20] are core-specific and not defined here */
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#define D64_CTRL_CORE_MASK 0x0ff00000
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#define DC_MROR 0x00000010
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#define PC_MTE 0x00800000
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/* command config */
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#define CC_TE 0x00000001
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#define CC_RE 0x00000002
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#define CC_ES_MASK 0x0000000c
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#define CC_ES_SHIFT 2
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#define CC_PROM 0x00000010
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#define CC_PAD_EN 0x00000020
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#define CC_CF 0x00000040
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#define CC_PF 0x00000080
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#define CC_RPI 0x00000100
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#define CC_TAI 0x00000200
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#define CC_HD 0x00000400
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#define CC_HD_SHIFT 10
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#define CC_SR 0x00002000
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#define CC_ML 0x00008000
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#define CC_AE 0x00400000
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#define CC_CFE 0x00800000
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#define CC_NLC 0x01000000
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#define CC_RL 0x02000000
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#define CC_RED 0x04000000
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#define CC_PE 0x08000000
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#define CC_TPI 0x10000000
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#define CC_AT 0x20000000
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#define I_PDEE 0x00000400
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#define I_PDE 0x00000800
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#define I_DE 0x00001000
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#define I_RDU 0x00002000
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#define I_RFO 0x00004000
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#define I_XFU 0x00008000
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#define I_RI 0x00010000
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#define I_XI0 0x01000000
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#define I_XI1 0x02000000
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#define I_XI2 0x04000000
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#define I_XI3 0x08000000
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#define I_ERRORS (I_PDEE | I_PDE | I_DE | I_RDU | I_RFO | I_XFU)
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#define DEF_INTMASK (I_XI0 | I_XI1 | I_XI2 | I_XI3 | I_RI | I_ERRORS)
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#define I_INTMASK 0x0f01fcff
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#define CHIP_DRU_BASE 0x0301d000
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#define CRMU_CHIP_IO_PAD_CONTROL_ADDR (CHIP_DRU_BASE + 0x0bc)
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#define SWITCH_GLOBAL_CONFIG_ADDR (CHIP_DRU_BASE + 0x194)
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#define CDRU_IOMUX_FORCE_PAD_IN_SHIFT 0
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#define CDRU_SWITCH_BYPASS_SWITCH_SHIFT 13
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#define AMAC0_IDM_RESET_ADDR 0x18110800
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#define AMAC0_IO_CTRL_DIRECT_ADDR 0x18110408
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#define AMAC0_IO_CTRL_CLK_250_SEL_SHIFT 6
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#define AMAC0_IO_CTRL_GMII_MODE_SHIFT 5
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#define AMAC0_IO_CTRL_DEST_SYNC_MODE_EN_SHIFT 3
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#define CHIPA_CHIP_ID_ADDR 0x18000000
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#define CHIPID (readl(CHIPA_CHIP_ID_ADDR) & 0xFFFF)
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#define CHIPREV (((readl(CHIPA_CHIP_ID_ADDR) >> 16) & 0xF)
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#define CHIPSKU (((readl(CHIPA_CHIP_ID_ADDR) >> 20) & 0xF)
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#define GMAC_MII_CTRL_ADDR 0x18002000
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#define GMAC_MII_CTRL_BYP_SHIFT 10
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#define GMAC_MII_CTRL_EXT_SHIFT 9
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#define GMAC_MII_DATA_ADDR 0x18002004
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#define GMAC_MII_DATA_READ_CMD 0x60020000
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#define GMAC_MII_DATA_WRITE_CMD 0x50020000
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#define GMAC_MII_BUSY_SHIFT 8
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#define GMAC_MII_PHY_ADDR_SHIFT 23
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#define GMAC_MII_PHY_REG_SHIFT 18
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#define GMAC_RESET_DELAY 2
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#define HWRXOFF 30
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#define MAXNAMEL 8
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#define NUMTXQ 4
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int gmac_add(struct eth_device *dev);
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#endif /* _BCM_SF2_ETH_GMAC_H_ */
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