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      1 /* SPDX-License-Identifier: GPL-2.0+ */
      2 /*
      3  * Copyright (C) 2005-2006 Atmel Corporation
      4  */
      5 #ifndef __DRIVERS_MACB_H__
      6 #define __DRIVERS_MACB_H__
      7 
      8 /* MACB register offsets */
      9 #define MACB_NCR				0x0000
     10 #define MACB_NCFGR				0x0004
     11 #define MACB_NSR				0x0008
     12 #define GEM_UR					0x000c
     13 #define MACB_DMACFG				0x0010
     14 #define MACB_TSR				0x0014
     15 #define MACB_RBQP				0x0018
     16 #define MACB_TBQP				0x001c
     17 #define MACB_RSR				0x0020
     18 #define MACB_ISR				0x0024
     19 #define MACB_IER				0x0028
     20 #define MACB_IDR				0x002c
     21 #define MACB_IMR				0x0030
     22 #define MACB_MAN				0x0034
     23 #define MACB_PTR				0x0038
     24 #define MACB_PFR				0x003c
     25 #define MACB_FTO				0x0040
     26 #define MACB_SCF				0x0044
     27 #define MACB_MCF				0x0048
     28 #define MACB_FRO				0x004c
     29 #define MACB_FCSE				0x0050
     30 #define MACB_ALE				0x0054
     31 #define MACB_DTF				0x0058
     32 #define MACB_LCOL				0x005c
     33 #define MACB_EXCOL				0x0060
     34 #define MACB_TUND				0x0064
     35 #define MACB_CSE				0x0068
     36 #define MACB_RRE				0x006c
     37 #define MACB_ROVR				0x0070
     38 #define MACB_RSE				0x0074
     39 #define MACB_ELE				0x0078
     40 #define MACB_RJA				0x007c
     41 #define MACB_USF				0x0080
     42 #define MACB_STE				0x0084
     43 #define MACB_RLE				0x0088
     44 #define MACB_TPF				0x008c
     45 #define MACB_HRB				0x0090
     46 #define MACB_HRT				0x0094
     47 #define MACB_SA1B				0x0098
     48 #define MACB_SA1T				0x009c
     49 #define MACB_SA2B				0x00a0
     50 #define MACB_SA2T				0x00a4
     51 #define MACB_SA3B				0x00a8
     52 #define MACB_SA3T				0x00ac
     53 #define MACB_SA4B				0x00b0
     54 #define MACB_SA4T				0x00b4
     55 #define MACB_TID				0x00b8
     56 #define MACB_TPQ				0x00bc
     57 #define MACB_USRIO				0x00c0
     58 #define MACB_WOL				0x00c4
     59 #define MACB_MID				0x00fc
     60 
     61 /* GEM specific register offsets */
     62 #define GEM_DCFG1				0x0280
     63 #define GEM_DCFG6				0x0294
     64 
     65 #define MACB_MAX_QUEUES				8
     66 
     67 /* GEM specific multi queues register offset */
     68 /* hw_q can be 0~7 */
     69 #define GEM_TBQP(hw_q)				(0x0440 + ((hw_q) << 2))
     70 
     71 /* Bitfields in NCR */
     72 #define MACB_LB_OFFSET				0
     73 #define MACB_LB_SIZE				1
     74 #define MACB_LLB_OFFSET				1
     75 #define MACB_LLB_SIZE				1
     76 #define MACB_RE_OFFSET				2
     77 #define MACB_RE_SIZE				1
     78 #define MACB_TE_OFFSET				3
     79 #define MACB_TE_SIZE				1
     80 #define MACB_MPE_OFFSET				4
     81 #define MACB_MPE_SIZE				1
     82 #define MACB_CLRSTAT_OFFSET			5
     83 #define MACB_CLRSTAT_SIZE			1
     84 #define MACB_INCSTAT_OFFSET			6
     85 #define MACB_INCSTAT_SIZE			1
     86 #define MACB_WESTAT_OFFSET			7
     87 #define MACB_WESTAT_SIZE			1
     88 #define MACB_BP_OFFSET				8
     89 #define MACB_BP_SIZE				1
     90 #define MACB_TSTART_OFFSET			9
     91 #define MACB_TSTART_SIZE			1
     92 #define MACB_THALT_OFFSET			10
     93 #define MACB_THALT_SIZE				1
     94 #define MACB_NCR_TPF_OFFSET			11
     95 #define MACB_NCR_TPF_SIZE			1
     96 #define MACB_TZQ_OFFSET				12
     97 #define MACB_TZQ_SIZE				1
     98 
     99 /* Bitfields in NCFGR */
    100 #define MACB_SPD_OFFSET				0
    101 #define MACB_SPD_SIZE				1
    102 #define MACB_FD_OFFSET				1
    103 #define MACB_FD_SIZE				1
    104 #define MACB_BIT_RATE_OFFSET			2
    105 #define MACB_BIT_RATE_SIZE			1
    106 #define MACB_JFRAME_OFFSET			3
    107 #define MACB_JFRAME_SIZE			1
    108 #define MACB_CAF_OFFSET				4
    109 #define MACB_CAF_SIZE				1
    110 #define MACB_NBC_OFFSET				5
    111 #define MACB_NBC_SIZE				1
    112 #define MACB_NCFGR_MTI_OFFSET			6
    113 #define MACB_NCFGR_MTI_SIZE			1
    114 #define MACB_UNI_OFFSET				7
    115 #define MACB_UNI_SIZE				1
    116 #define MACB_BIG_OFFSET				8
    117 #define MACB_BIG_SIZE				1
    118 #define MACB_EAE_OFFSET				9
    119 #define MACB_EAE_SIZE				1
    120 #define MACB_CLK_OFFSET				10
    121 #define MACB_CLK_SIZE				2
    122 #define MACB_RTY_OFFSET				12
    123 #define MACB_RTY_SIZE				1
    124 #define MACB_PAE_OFFSET				13
    125 #define MACB_PAE_SIZE				1
    126 #define MACB_RBOF_OFFSET			14
    127 #define MACB_RBOF_SIZE				2
    128 #define MACB_RLCE_OFFSET			16
    129 #define MACB_RLCE_SIZE				1
    130 #define MACB_DRFCS_OFFSET			17
    131 #define MACB_DRFCS_SIZE				1
    132 #define MACB_EFRHD_OFFSET			18
    133 #define MACB_EFRHD_SIZE				1
    134 #define MACB_IRXFCS_OFFSET			19
    135 #define MACB_IRXFCS_SIZE			1
    136 
    137 #define GEM_GBE_OFFSET				10
    138 #define GEM_GBE_SIZE				1
    139 #define GEM_CLK_OFFSET				18
    140 #define GEM_CLK_SIZE				3
    141 #define GEM_DBW_OFFSET				21
    142 #define GEM_DBW_SIZE				2
    143 
    144 /* Bitfields in NSR */
    145 #define MACB_NSR_LINK_OFFSET			0
    146 #define MACB_NSR_LINK_SIZE			1
    147 #define MACB_MDIO_OFFSET			1
    148 #define MACB_MDIO_SIZE				1
    149 #define MACB_IDLE_OFFSET			2
    150 #define MACB_IDLE_SIZE				1
    151 
    152 /* Bitfields in UR */
    153 #define GEM_RGMII_OFFSET			0
    154 #define GEM_RGMII_SIZE				1
    155 
    156 /* Bitfields in TSR */
    157 #define MACB_UBR_OFFSET				0
    158 #define MACB_UBR_SIZE				1
    159 #define MACB_COL_OFFSET				1
    160 #define MACB_COL_SIZE				1
    161 #define MACB_TSR_RLE_OFFSET			2
    162 #define MACB_TSR_RLE_SIZE			1
    163 #define MACB_TGO_OFFSET				3
    164 #define MACB_TGO_SIZE				1
    165 #define MACB_BEX_OFFSET				4
    166 #define MACB_BEX_SIZE				1
    167 #define MACB_COMP_OFFSET			5
    168 #define MACB_COMP_SIZE				1
    169 #define MACB_UND_OFFSET				6
    170 #define MACB_UND_SIZE				1
    171 
    172 /* Bitfields in RSR */
    173 #define MACB_BNA_OFFSET				0
    174 #define MACB_BNA_SIZE				1
    175 #define MACB_REC_OFFSET				1
    176 #define MACB_REC_SIZE				1
    177 #define MACB_OVR_OFFSET				2
    178 #define MACB_OVR_SIZE				1
    179 
    180 /* Bitfields in ISR/IER/IDR/IMR */
    181 #define MACB_MFD_OFFSET				0
    182 #define MACB_MFD_SIZE				1
    183 #define MACB_RCOMP_OFFSET			1
    184 #define MACB_RCOMP_SIZE				1
    185 #define MACB_RXUBR_OFFSET			2
    186 #define MACB_RXUBR_SIZE				1
    187 #define MACB_TXUBR_OFFSET			3
    188 #define MACB_TXUBR_SIZE				1
    189 #define MACB_ISR_TUND_OFFSET			4
    190 #define MACB_ISR_TUND_SIZE			1
    191 #define MACB_ISR_RLE_OFFSET			5
    192 #define MACB_ISR_RLE_SIZE			1
    193 #define MACB_TXERR_OFFSET			6
    194 #define MACB_TXERR_SIZE				1
    195 #define MACB_TCOMP_OFFSET			7
    196 #define MACB_TCOMP_SIZE				1
    197 #define MACB_ISR_LINK_OFFSET			9
    198 #define MACB_ISR_LINK_SIZE			1
    199 #define MACB_ISR_ROVR_OFFSET			10
    200 #define MACB_ISR_ROVR_SIZE			1
    201 #define MACB_HRESP_OFFSET			11
    202 #define MACB_HRESP_SIZE				1
    203 #define MACB_PFR_OFFSET				12
    204 #define MACB_PFR_SIZE				1
    205 #define MACB_PTZ_OFFSET				13
    206 #define MACB_PTZ_SIZE				1
    207 
    208 /* Bitfields in MAN */
    209 #define MACB_DATA_OFFSET			0
    210 #define MACB_DATA_SIZE				16
    211 #define MACB_CODE_OFFSET			16
    212 #define MACB_CODE_SIZE				2
    213 #define MACB_REGA_OFFSET			18
    214 #define MACB_REGA_SIZE				5
    215 #define MACB_PHYA_OFFSET			23
    216 #define MACB_PHYA_SIZE				5
    217 #define MACB_RW_OFFSET				28
    218 #define MACB_RW_SIZE				2
    219 #define MACB_SOF_OFFSET				30
    220 #define MACB_SOF_SIZE				2
    221 
    222 /* Bitfields in USRIO */
    223 #define MACB_MII_OFFSET				0
    224 #define MACB_MII_SIZE				1
    225 #define MACB_EAM_OFFSET				1
    226 #define MACB_EAM_SIZE				1
    227 #define MACB_TX_PAUSE_OFFSET			2
    228 #define MACB_TX_PAUSE_SIZE			1
    229 #define MACB_TX_PAUSE_ZERO_OFFSET		3
    230 #define MACB_TX_PAUSE_ZERO_SIZE			1
    231 
    232 /* Bitfields in USRIO (AT91) */
    233 #define MACB_RMII_OFFSET			0
    234 #define MACB_RMII_SIZE				1
    235 #define MACB_CLKEN_OFFSET			1
    236 #define MACB_CLKEN_SIZE				1
    237 
    238 /* Bitfields in WOL */
    239 #define MACB_IP_OFFSET				0
    240 #define MACB_IP_SIZE				16
    241 #define MACB_MAG_OFFSET				16
    242 #define MACB_MAG_SIZE				1
    243 #define MACB_ARP_OFFSET				17
    244 #define MACB_ARP_SIZE				1
    245 #define MACB_SA1_OFFSET				18
    246 #define MACB_SA1_SIZE				1
    247 #define MACB_WOL_MTI_OFFSET			19
    248 #define MACB_WOL_MTI_SIZE			1
    249 
    250 /* Bitfields in MID */
    251 #define MACB_IDNUM_OFFSET			16
    252 #define MACB_IDNUM_SIZE				16
    253 
    254 /* Bitfields in DCFG1 */
    255 #define GEM_DBWDEF_OFFSET			25
    256 #define GEM_DBWDEF_SIZE				3
    257 
    258 /* constants for data bus width */
    259 #define GEM_DBW32				0
    260 #define GEM_DBW64				1
    261 #define GEM_DBW128				2
    262 
    263 /* Constants for CLK */
    264 #define MACB_CLK_DIV8				0
    265 #define MACB_CLK_DIV16				1
    266 #define MACB_CLK_DIV32				2
    267 #define MACB_CLK_DIV64				3
    268 
    269 /* GEM specific constants for CLK */
    270 #define GEM_CLK_DIV8				0
    271 #define GEM_CLK_DIV16				1
    272 #define GEM_CLK_DIV32				2
    273 #define GEM_CLK_DIV48				3
    274 #define GEM_CLK_DIV64				4
    275 #define GEM_CLK_DIV96				5
    276 
    277 /* Constants for MAN register */
    278 #define MACB_MAN_SOF				1
    279 #define MACB_MAN_WRITE				1
    280 #define MACB_MAN_READ				2
    281 #define MACB_MAN_CODE				2
    282 
    283 /* Bit manipulation macros */
    284 #define MACB_BIT(name)					\
    285 	(1 << MACB_##name##_OFFSET)
    286 #define MACB_BF(name, value)				\
    287 	(((value) & ((1 << MACB_##name##_SIZE) - 1))	\
    288 	 << MACB_##name##_OFFSET)
    289 #define MACB_BFEXT(name, value)\
    290 	(((value) >> MACB_##name##_OFFSET)		\
    291 	 & ((1 << MACB_##name##_SIZE) - 1))
    292 #define MACB_BFINS(name, value, old)			\
    293 	(((old) & ~(((1 << MACB_##name##_SIZE) - 1)	\
    294 		    << MACB_##name##_OFFSET))		\
    295 	 | MACB_BF(name, value))
    296 
    297 #define GEM_BIT(name)					\
    298 	(1 << GEM_##name##_OFFSET)
    299 #define GEM_BF(name, value)				\
    300 	(((value) & ((1 << GEM_##name##_SIZE) - 1))	\
    301 	 << GEM_##name##_OFFSET)
    302 #define GEM_BFEXT(name, value)\
    303 	(((value) >> GEM_##name##_OFFSET)		\
    304 	 & ((1 << GEM_##name##_SIZE) - 1))
    305 #define GEM_BFINS(name, value, old)			\
    306 	(((old) & ~(((1 << GEM_##name##_SIZE) - 1)	\
    307 		    << GEM_##name##_OFFSET))		\
    308 	 | GEM_BF(name, value))
    309 
    310 /* Register access macros */
    311 #define macb_readl(port, reg)				\
    312 	readl((port)->regs + MACB_##reg)
    313 #define macb_writel(port, reg, value)			\
    314 	writel((value), (port)->regs + MACB_##reg)
    315 #define gem_readl(port, reg)				\
    316 	readl((port)->regs + GEM_##reg)
    317 #define gem_writel(port, reg, value)			\
    318 	writel((value), (port)->regs + GEM_##reg)
    319 #define gem_writel_queue_TBQP(port, value, queue_num)	\
    320 	writel((value), (port)->regs + GEM_TBQP(queue_num))
    321 
    322 #endif /* __DRIVERS_MACB_H__ */
    323