2 * PKUnity Ultra Media Access Layer (UMAL) Ethernet MAC Registers
5 /* MAC module of UMAL */
6 /* UMAL's MAC module includes G/MII interface, several additional PHY
7 * interfaces, and MAC control sub-layer, which provides support for control
8 * frames (e.g. PAUSE frames).
11 * TX/RX reset and control UMAL_CFG1
13 #define UMAL_CFG1 (PKUNITY_UMAL_BASE + 0x0000)
15 * MAC interface mode control UMAL_CFG2
17 #define UMAL_CFG2 (PKUNITY_UMAL_BASE + 0x0004)
19 * Inter Packet/Frame Gap UMAL_IPGIFG
21 #define UMAL_IPGIFG (PKUNITY_UMAL_BASE + 0x0008)
23 * Collision retry or backoff UMAL_HALFDUPLEX
25 #define UMAL_HALFDUPLEX (PKUNITY_UMAL_BASE + 0x000c)
27 * Maximum Frame Length UMAL_MAXFRAME
29 #define UMAL_MAXFRAME (PKUNITY_UMAL_BASE + 0x0010)
31 * Test Regsiter UMAL_TESTREG
33 #define UMAL_TESTREG (PKUNITY_UMAL_BASE + 0x001c)
35 * MII Management Configure UMAL_MIICFG
37 #define UMAL_MIICFG (PKUNITY_UMAL_BASE + 0x0020)
39 * MII Management Command UMAL_MIICMD
41 #define UMAL_MIICMD (PKUNITY_UMAL_BASE + 0x0024)
43 * MII Management Address UMAL_MIIADDR
45 #define UMAL_MIIADDR (PKUNITY_UMAL_BASE + 0x0028)
47 * MII Management Control UMAL_MIICTRL
49 #define UMAL_MIICTRL (PKUNITY_UMAL_BASE + 0x002c)
51 * MII Management Status UMAL_MIISTATUS
53 #define UMAL_MIISTATUS (PKUNITY_UMAL_BASE + 0x0030)
55 * MII Management Indicator UMAL_MIIIDCT
57 #define UMAL_MIIIDCT (PKUNITY_UMAL_BASE + 0x0034)
59 * Interface Control UMAL_IFCTRL
61 #define UMAL_IFCTRL (PKUNITY_UMAL_BASE + 0x0038)
63 * Interface Status UMAL_IFSTATUS
65 #define UMAL_IFSTATUS (PKUNITY_UMAL_BASE + 0x003c)
67 * MAC address (high 4 bytes) UMAL_STADDR1
69 #define UMAL_STADDR1 (PKUNITY_UMAL_BASE + 0x0040)
71 * MAC address (low 2 bytes) UMAL_STADDR2
73 #define UMAL_STADDR2 (PKUNITY_UMAL_BASE + 0x0044)
75 /* FIFO MODULE OF UMAL */
76 /* UMAL's FIFO module provides data queuing for increased system level
79 #define UMAL_FIFOCFG0 (PKUNITY_UMAL_BASE + 0x0048)
80 #define UMAL_FIFOCFG1 (PKUNITY_UMAL_BASE + 0x004c)
81 #define UMAL_FIFOCFG2 (PKUNITY_UMAL_BASE + 0x0050)
82 #define UMAL_FIFOCFG3 (PKUNITY_UMAL_BASE + 0x0054)
83 #define UMAL_FIFOCFG4 (PKUNITY_UMAL_BASE + 0x0058)
84 #define UMAL_FIFOCFG5 (PKUNITY_UMAL_BASE + 0x005c)
85 #define UMAL_FIFORAM0 (PKUNITY_UMAL_BASE + 0x0060)
86 #define UMAL_FIFORAM1 (PKUNITY_UMAL_BASE + 0x0064)
87 #define UMAL_FIFORAM2 (PKUNITY_UMAL_BASE + 0x0068)
88 #define UMAL_FIFORAM3 (PKUNITY_UMAL_BASE + 0x006c)
89 #define UMAL_FIFORAM4 (PKUNITY_UMAL_BASE + 0x0070)
90 #define UMAL_FIFORAM5 (PKUNITY_UMAL_BASE + 0x0074)
91 #define UMAL_FIFORAM6 (PKUNITY_UMAL_BASE + 0x0078)
92 #define UMAL_FIFORAM7 (PKUNITY_UMAL_BASE + 0x007c)
94 /* MAHBE MODULE OF UMAL */
95 /* UMAL's MAHBE module interfaces to the host system through 32-bit AHB Master
96 * and Slave ports.Registers within the M-AHBE provide Control and Status
97 * information concerning these transfers.
100 * Transmit Control UMAL_DMATxCtrl
102 #define UMAL_DMATxCtrl (PKUNITY_UMAL_BASE + 0x0180)
104 * Pointer to TX Descripter UMAL_DMATxDescriptor
106 #define UMAL_DMATxDescriptor (PKUNITY_UMAL_BASE + 0x0184)
108 * Status of Tx Packet Transfers UMAL_DMATxStatus
110 #define UMAL_DMATxStatus (PKUNITY_UMAL_BASE + 0x0188)
112 * Receive Control UMAL_DMARxCtrl
114 #define UMAL_DMARxCtrl (PKUNITY_UMAL_BASE + 0x018c)
116 * Pointer to Rx Descriptor UMAL_DMARxDescriptor
118 #define UMAL_DMARxDescriptor (PKUNITY_UMAL_BASE + 0x0190)
120 * Status of Rx Packet Transfers UMAL_DMARxStatus
122 #define UMAL_DMARxStatus (PKUNITY_UMAL_BASE + 0x0194)
124 * Interrupt Mask UMAL_DMAIntrMask
126 #define UMAL_DMAIntrMask (PKUNITY_UMAL_BASE + 0x0198)
128 * Interrupts, read only UMAL_DMAInterrupt
130 #define UMAL_DMAInterrupt (PKUNITY_UMAL_BASE + 0x019c)
133 * Commands for UMAL_CFG1 register
135 #define UMAL_CFG1_TXENABLE FIELD(1, 1, 0)
136 #define UMAL_CFG1_RXENABLE FIELD(1, 1, 2)
137 #define UMAL_CFG1_TXFLOWCTL FIELD(1, 1, 4)
138 #define UMAL_CFG1_RXFLOWCTL FIELD(1, 1, 5)
139 #define UMAL_CFG1_CONFLPBK FIELD(1, 1, 8)
140 #define UMAL_CFG1_RESET FIELD(1, 1, 31)
141 #define UMAL_CFG1_CONFFLCTL (MAC_TX_FLOW_CTL | MAC_RX_FLOW_CTL)
144 * Commands for UMAL_CFG2 register
146 #define UMAL_CFG2_FULLDUPLEX FIELD(1, 1, 0)
147 #define UMAL_CFG2_CRCENABLE FIELD(1, 1, 1)
148 #define UMAL_CFG2_PADCRC FIELD(1, 1, 2)
149 #define UMAL_CFG2_LENGTHCHECK FIELD(1, 1, 4)
150 #define UMAL_CFG2_MODEMASK FMASK(2, 8)
151 #define UMAL_CFG2_NIBBLEMODE FIELD(1, 2, 8)
152 #define UMAL_CFG2_BYTEMODE FIELD(2, 2, 8)
153 #define UMAL_CFG2_PREAMBLENMASK FMASK(4, 12)
154 #define UMAL_CFG2_DEFPREAMBLEN FIELD(7, 4, 12)
155 #define UMAL_CFG2_FD100 (UMAL_CFG2_DEFPREAMBLEN | UMAL_CFG2_NIBBLEMODE \
156 | UMAL_CFG2_LENGTHCHECK | UMAL_CFG2_PADCRC \
157 | UMAL_CFG2_CRCENABLE | UMAL_CFG2_FULLDUPLEX)
158 #define UMAL_CFG2_FD1000 (UMAL_CFG2_DEFPREAMBLEN | UMAL_CFG2_BYTEMODE \
159 | UMAL_CFG2_LENGTHCHECK | UMAL_CFG2_PADCRC \
160 | UMAL_CFG2_CRCENABLE | UMAL_CFG2_FULLDUPLEX)
161 #define UMAL_CFG2_HD100 (UMAL_CFG2_DEFPREAMBLEN | UMAL_CFG2_NIBBLEMODE \
162 | UMAL_CFG2_LENGTHCHECK | UMAL_CFG2_PADCRC \
163 | UMAL_CFG2_CRCENABLE)
166 * Command for UMAL_IFCTRL register
168 #define UMAL_IFCTRL_RESET FIELD(1, 1, 31)
171 * Command for UMAL_MIICFG register
173 #define UMAL_MIICFG_RESET FIELD(1, 1, 31)
176 * Command for UMAL_MIICMD register
178 #define UMAL_MIICMD_READ FIELD(1, 1, 0)
181 * Command for UMAL_MIIIDCT register
183 #define UMAL_MIIIDCT_BUSY FIELD(1, 1, 0)
184 #define UMAL_MIIIDCT_NOTVALID FIELD(1, 1, 2)
187 * Commands for DMATxCtrl regesters
189 #define UMAL_DMA_Enable FIELD(1, 1, 0)
192 * Commands for DMARxCtrl regesters
194 #define UMAL_DMAIntrMask_ENABLEHALFWORD FIELD(1, 1, 16)
197 * Command for DMARxStatus
199 #define CLR_RX_BUS_ERR FIELD(1, 1, 3)
200 #define CLR_RX_OVERFLOW FIELD(1, 1, 2)
201 #define CLR_RX_PKT FIELD(1, 1, 0)
204 * Command for DMATxStatus
206 #define CLR_TX_BUS_ERR FIELD(1, 1, 3)
207 #define CLR_TX_UNDERRUN FIELD(1, 1, 1)
208 #define CLR_TX_PKT FIELD(1, 1, 0)
211 * Commands for DMAIntrMask and DMAInterrupt register
213 #define INT_RX_MASK FIELD(0xd, 4, 4)
214 #define INT_TX_MASK FIELD(0xb, 4, 0)
216 #define INT_RX_BUS_ERR FIELD(1, 1, 7)
217 #define INT_RX_OVERFLOW FIELD(1, 1, 6)
218 #define INT_RX_PKT FIELD(1, 1, 4)
219 #define INT_TX_BUS_ERR FIELD(1, 1, 3)
220 #define INT_TX_UNDERRUN FIELD(1, 1, 1)
221 #define INT_TX_PKT FIELD(1, 1, 0)
224 * MARCOS of UMAL's descriptors
226 #define UMAL_DESC_PACKETSIZE_EMPTY FIELD(1, 1, 31)
227 #define UMAL_DESC_PACKETSIZE_NONEMPTY FIELD(0, 1, 31)
228 #define UMAL_DESC_PACKETSIZE_SIZEMASK FMASK(12, 0)