3 * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
5 * SPDX-License-Identifier: GPL-2.0+
11 #define CONFIG_TX_DESCR_NUM 16
12 #define CONFIG_RX_DESCR_NUM 16
13 #define CONFIG_ETH_BUFSIZE 2048
14 #define TX_TOTAL_BUFSIZE (CONFIG_ETH_BUFSIZE * CONFIG_TX_DESCR_NUM)
15 #define RX_TOTAL_BUFSIZE (CONFIG_ETH_BUFSIZE * CONFIG_RX_DESCR_NUM)
17 #define CONFIG_MACRESET_TIMEOUT (3 * CONFIG_SYS_HZ)
18 #define CONFIG_MDIO_TIMEOUT (3 * CONFIG_SYS_HZ)
22 u32 framefilt; /* 0x04 */
23 u32 hashtablehigh; /* 0x08 */
24 u32 hashtablelow; /* 0x0c */
25 u32 miiaddr; /* 0x10 */
26 u32 miidata; /* 0x14 */
27 u32 flowcontrol; /* 0x18 */
28 u32 vlantag; /* 0x1c */
29 u32 version; /* 0x20 */
31 u32 intreg; /* 0x38 */
32 u32 intmask; /* 0x3c */
33 u32 macaddr0hi; /* 0x40 */
34 u32 macaddr0lo; /* 0x44 */
37 /* MAC configuration register definitions */
38 #define FRAMEBURSTENABLE (1 << 21)
39 #define MII_PORTSELECT (1 << 15)
40 #define FES_100 (1 << 14)
41 #define DISABLERXOWN (1 << 13)
42 #define FULLDPLXMODE (1 << 11)
43 #define RXENABLE (1 << 2)
44 #define TXENABLE (1 << 3)
46 /* MII address register definitions */
47 #define MII_BUSY (1 << 0)
48 #define MII_WRITE (1 << 1)
49 #define MII_CLKRANGE_60_100M (0)
50 #define MII_CLKRANGE_100_150M (0x4)
51 #define MII_CLKRANGE_20_35M (0x8)
52 #define MII_CLKRANGE_35_60M (0xC)
53 #define MII_CLKRANGE_150_250M (0x10)
54 #define MII_CLKRANGE_250_300M (0x14)
56 #define MIIADDRSHIFT (11)
57 #define MIIREGSHIFT (6)
58 #define MII_REGMSK (0x1F << 6)
59 #define MII_ADDRMSK (0x1F << 11)
63 u32 busmode; /* 0x00 */
64 u32 txpolldemand; /* 0x04 */
65 u32 rxpolldemand; /* 0x08 */
66 u32 rxdesclistaddr; /* 0x0c */
67 u32 txdesclistaddr; /* 0x10 */
68 u32 status; /* 0x14 */
69 u32 opmode; /* 0x18 */
70 u32 intenable; /* 0x1c */
72 u32 currhosttxdesc; /* 0x48 */
73 u32 currhostrxdesc; /* 0x4c */
74 u32 currhosttxbuffaddr; /* 0x50 */
75 u32 currhostrxbuffaddr; /* 0x54 */
78 #define DW_DMA_BASE_OFFSET (0x1000)
80 /* Bus mode register definitions */
81 #define FIXEDBURST (1 << 16)
82 #define PRIORXTX_41 (3 << 14)
83 #define PRIORXTX_31 (2 << 14)
84 #define PRIORXTX_21 (1 << 14)
85 #define PRIORXTX_11 (0 << 14)
86 #define BURST_1 (1 << 8)
87 #define BURST_2 (2 << 8)
88 #define BURST_4 (4 << 8)
89 #define BURST_8 (8 << 8)
90 #define BURST_16 (16 << 8)
91 #define BURST_32 (32 << 8)
92 #define RXHIGHPRIO (1 << 1)
93 #define DMAMAC_SRST (1 << 0)
95 /* Poll demand definitions */
96 #define POLL_DATA (0xFFFFFFFF)
98 /* Operation mode definitions */
99 #define STOREFORWARD (1 << 21)
100 #define FLUSHTXFIFO (1 << 20)
101 #define TXSTART (1 << 13)
102 #define TXSECONDFRAME (1 << 2)
103 #define RXSTART (1 << 1)
105 /* Descriptior related definitions */
106 #define MAC_MAX_FRAME_SZ (1600)
112 struct dmamacdescr *dmamac_next;
113 } __aligned(ARCH_DMA_MINALIGN);
116 * txrx_status definitions
119 /* tx status bits definitions */
120 #if defined(CONFIG_DW_ALTDESCRIPTOR)
122 #define DESC_TXSTS_OWNBYDMA (1 << 31)
123 #define DESC_TXSTS_TXINT (1 << 30)
124 #define DESC_TXSTS_TXLAST (1 << 29)
125 #define DESC_TXSTS_TXFIRST (1 << 28)
126 #define DESC_TXSTS_TXCRCDIS (1 << 27)
128 #define DESC_TXSTS_TXPADDIS (1 << 26)
129 #define DESC_TXSTS_TXCHECKINSCTRL (3 << 22)
130 #define DESC_TXSTS_TXRINGEND (1 << 21)
131 #define DESC_TXSTS_TXCHAIN (1 << 20)
132 #define DESC_TXSTS_MSK (0x1FFFF << 0)
136 #define DESC_TXSTS_OWNBYDMA (1 << 31)
137 #define DESC_TXSTS_MSK (0x1FFFF << 0)
141 /* rx status bits definitions */
142 #define DESC_RXSTS_OWNBYDMA (1 << 31)
143 #define DESC_RXSTS_DAFILTERFAIL (1 << 30)
144 #define DESC_RXSTS_FRMLENMSK (0x3FFF << 16)
145 #define DESC_RXSTS_FRMLENSHFT (16)
147 #define DESC_RXSTS_ERROR (1 << 15)
148 #define DESC_RXSTS_RXTRUNCATED (1 << 14)
149 #define DESC_RXSTS_SAFILTERFAIL (1 << 13)
150 #define DESC_RXSTS_RXIPC_GIANTFRAME (1 << 12)
151 #define DESC_RXSTS_RXDAMAGED (1 << 11)
152 #define DESC_RXSTS_RXVLANTAG (1 << 10)
153 #define DESC_RXSTS_RXFIRST (1 << 9)
154 #define DESC_RXSTS_RXLAST (1 << 8)
155 #define DESC_RXSTS_RXIPC_GIANT (1 << 7)
156 #define DESC_RXSTS_RXCOLLISION (1 << 6)
157 #define DESC_RXSTS_RXFRAMEETHER (1 << 5)
158 #define DESC_RXSTS_RXWATCHDOG (1 << 4)
159 #define DESC_RXSTS_RXMIIERROR (1 << 3)
160 #define DESC_RXSTS_RXDRIBBLING (1 << 2)
161 #define DESC_RXSTS_RXCRC (1 << 1)
164 * dmamac_cntl definitions
167 /* tx control bits definitions */
168 #if defined(CONFIG_DW_ALTDESCRIPTOR)
170 #define DESC_TXCTRL_SIZE1MASK (0x1FFF << 0)
171 #define DESC_TXCTRL_SIZE1SHFT (0)
172 #define DESC_TXCTRL_SIZE2MASK (0x1FFF << 16)
173 #define DESC_TXCTRL_SIZE2SHFT (16)
177 #define DESC_TXCTRL_TXINT (1 << 31)
178 #define DESC_TXCTRL_TXLAST (1 << 30)
179 #define DESC_TXCTRL_TXFIRST (1 << 29)
180 #define DESC_TXCTRL_TXCHECKINSCTRL (3 << 27)
181 #define DESC_TXCTRL_TXCRCDIS (1 << 26)
182 #define DESC_TXCTRL_TXRINGEND (1 << 25)
183 #define DESC_TXCTRL_TXCHAIN (1 << 24)
185 #define DESC_TXCTRL_SIZE1MASK (0x7FF << 0)
186 #define DESC_TXCTRL_SIZE1SHFT (0)
187 #define DESC_TXCTRL_SIZE2MASK (0x7FF << 11)
188 #define DESC_TXCTRL_SIZE2SHFT (11)
192 /* rx control bits definitions */
193 #if defined(CONFIG_DW_ALTDESCRIPTOR)
195 #define DESC_RXCTRL_RXINTDIS (1 << 31)
196 #define DESC_RXCTRL_RXRINGEND (1 << 15)
197 #define DESC_RXCTRL_RXCHAIN (1 << 14)
199 #define DESC_RXCTRL_SIZE1MASK (0x1FFF << 0)
200 #define DESC_RXCTRL_SIZE1SHFT (0)
201 #define DESC_RXCTRL_SIZE2MASK (0x1FFF << 16)
202 #define DESC_RXCTRL_SIZE2SHFT (16)
206 #define DESC_RXCTRL_RXINTDIS (1 << 31)
207 #define DESC_RXCTRL_RXRINGEND (1 << 25)
208 #define DESC_RXCTRL_RXCHAIN (1 << 24)
210 #define DESC_RXCTRL_SIZE1MASK (0x7FF << 0)
211 #define DESC_RXCTRL_SIZE1SHFT (0)
212 #define DESC_RXCTRL_SIZE2MASK (0x7FF << 11)
213 #define DESC_RXCTRL_SIZE2SHFT (11)
222 struct dmamacdescr tx_mac_descrtable[CONFIG_TX_DESCR_NUM];
223 struct dmamacdescr rx_mac_descrtable[CONFIG_RX_DESCR_NUM];
225 char txbuffs[TX_TOTAL_BUFSIZE];
226 char rxbuffs[RX_TOTAL_BUFSIZE];
228 struct eth_mac_regs *mac_regs_p;
229 struct eth_dma_regs *dma_regs_p;
231 struct eth_device *dev;
232 struct phy_device *phydev;