diff options
Diffstat (limited to 'arch/arm/mach-at91/include/mach/at91_emac.h')
-rw-r--r-- | arch/arm/mach-at91/include/mach/at91_emac.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_emac.h b/arch/arm/mach-at91/include/mach/at91_emac.h new file mode 100644 index 0000000000..a0d74ab660 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at91_emac.h @@ -0,0 +1,127 @@ +/* + * Copyright (C) 2009 Jens Scharsig (js_at_ng@scharsoft.de) + * + * based on AT91RM9200 datasheet revision I (36. Ethernet MAC (EMAC)) + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef AT91_H +#define AT91_H + +typedef struct at91_emac { + u32 ctl; + u32 cfg; + u32 sr; + u32 tar; + u32 tcr; + u32 tsr; + u32 rbqp; + u32 reserved0; + u32 rsr; + u32 isr; + u32 ier; + u32 idr; + u32 imr; + u32 man; + u32 reserved1[2]; + u32 fra; + u32 scol; + u32 mocl; + u32 ok; + u32 seqe; + u32 ale; + u32 dte; + u32 lcol; + u32 ecol; + u32 cse; + u32 tue; + u32 cde; + u32 elr; + u32 rjb; + u32 usf; + u32 sqee; + u32 drfc; + u32 reserved2[3]; + u32 hsh; + u32 hsl; + u32 sa1l; + u32 sa1h; + u32 sa2l; + u32 sa2h; + u32 sa3l; + u32 sa3h; + u32 sa4l; + u32 sa4h; +} at91_emac_t; + +#define AT91_EMAC_CTL_LB 0x0001 +#define AT91_EMAC_CTL_LBL 0x0002 +#define AT91_EMAC_CTL_RE 0x0004 +#define AT91_EMAC_CTL_TE 0x0008 +#define AT91_EMAC_CTL_MPE 0x0010 +#define AT91_EMAC_CTL_CSR 0x0020 +#define AT91_EMAC_CTL_ISR 0x0040 +#define AT91_EMAC_CTL_WES 0x0080 +#define AT91_EMAC_CTL_BP 0x1000 + +#define AT91_EMAC_CFG_SPD 0x0001 +#define AT91_EMAC_CFG_FD 0x0002 +#define AT91_EMAC_CFG_BR 0x0004 +#define AT91_EMAC_CFG_CAF 0x0010 +#define AT91_EMAC_CFG_NBC 0x0020 +#define AT91_EMAC_CFG_MTI 0x0040 +#define AT91_EMAC_CFG_UNI 0x0080 +#define AT91_EMAC_CFG_BIG 0x0100 +#define AT91_EMAC_CFG_EAE 0x0200 +#define AT91_EMAC_CFG_CLK_MASK 0xFFFFF3FF +#define AT91_EMAC_CFG_MCLK_8 0x0000 +#define AT91_EMAC_CFG_MCLK_16 0x0400 +#define AT91_EMAC_CFG_MCLK_32 0x0800 +#define AT91_EMAC_CFG_MCLK_64 0x0C00 +#define AT91_EMAC_CFG_RTY 0x1000 +#define AT91_EMAC_CFG_RMII 0x2000 + +#define AT91_EMAC_SR_LINK 0x0001 +#define AT91_EMAC_SR_MDIO 0x0002 +#define AT91_EMAC_SR_IDLE 0x0004 + +#define AT91_EMAC_TCR_LEN(x) (x & 0x7FF) +#define AT91_EMAC_TCR_NCRC 0x8000 + +#define AT91_EMAC_TSR_OVR 0x0001 +#define AT91_EMAC_TSR_COL 0x0002 +#define AT91_EMAC_TSR_RLE 0x0004 +#define AT91_EMAC_TSR_TXIDLE 0x0008 +#define AT91_EMAC_TSR_BNQ 0x0010 +#define AT91_EMAC_TSR_COMP 0x0020 +#define AT91_EMAC_TSR_UND 0x0040 + +#define AT91_EMAC_RSR_BNA 0x0001 +#define AT91_EMAC_RSR_REC 0x0002 +#define AT91_EMAC_RSR_OVR 0x0004 + +/* ISR, IER, IDR, IMR use the same bits */ +#define AT91_EMAC_IxR_DONE 0x0001 +#define AT91_EMAC_IxR_RCOM 0x0002 +#define AT91_EMAC_IxR_RBNA 0x0004 +#define AT91_EMAC_IxR_TOVR 0x0008 +#define AT91_EMAC_IxR_TUND 0x0010 +#define AT91_EMAC_IxR_RTRY 0x0020 +#define AT91_EMAC_IxR_TBRE 0x0040 +#define AT91_EMAC_IxR_TCOM 0x0080 +#define AT91_EMAC_IxR_TIDLE 0x0100 +#define AT91_EMAC_IxR_LINK 0x0200 +#define AT91_EMAC_IxR_ROVR 0x0400 +#define AT91_EMAC_IxR_HRESP 0x0800 + +#define AT91_EMAC_MAN_DATA_MASK 0xFFFF +#define AT91_EMAC_MAN_CODE_802_3 0x00020000 +#define AT91_EMAC_MAN_REGA(reg) ((reg & 0x1F) << 18) +#define AT91_EMAC_MAN_PHYA(phy) ((phy & 0x1F) << 23) +#define AT91_EMAC_MAN_RW_R 0x20000000 +#define AT91_EMAC_MAN_RW_W 0x10000000 +#define AT91_EMAC_MAN_HIGH 0x40000000 +#define AT91_EMAC_MAN_LOW 0x80000000 + +#endif |