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bootloader/u-boot_2015_04/drivers/net/bcm-sf2-eth-gmac.h 6.57 KB
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  /*
   * 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_ */