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 axibus; /* 0x28 */
74 u32 currhosttxdesc; /* 0x48 */
75 u32 currhostrxdesc; /* 0x4c */
76 u32 currhosttxbuffaddr; /* 0x50 */
77 u32 currhostrxbuffaddr; /* 0x54 */
80 #define DW_DMA_BASE_OFFSET (0x1000)
82 /* Default DMA Burst length */
83 #ifndef CONFIG_DW_GMAC_DEFAULT_DMA_PBL
84 #define CONFIG_DW_GMAC_DEFAULT_DMA_PBL 8
87 /* Bus mode register definitions */
88 #define FIXEDBURST (1 << 16)
89 #define PRIORXTX_41 (3 << 14)
90 #define PRIORXTX_31 (2 << 14)
91 #define PRIORXTX_21 (1 << 14)
92 #define PRIORXTX_11 (0 << 14)
93 #define DMA_PBL (CONFIG_DW_GMAC_DEFAULT_DMA_PBL<<8)
94 #define RXHIGHPRIO (1 << 1)
95 #define DMAMAC_SRST (1 << 0)
97 /* Poll demand definitions */
98 #define POLL_DATA (0xFFFFFFFF)
100 /* Operation mode definitions */
101 #define STOREFORWARD (1 << 21)
102 #define FLUSHTXFIFO (1 << 20)
103 #define TXSTART (1 << 13)
104 #define TXSECONDFRAME (1 << 2)
105 #define RXSTART (1 << 1)
107 /* Descriptior related definitions */
108 #define MAC_MAX_FRAME_SZ (1600)
114 struct dmamacdescr *dmamac_next;
115 } __aligned(ARCH_DMA_MINALIGN);
118 * txrx_status definitions
121 /* tx status bits definitions */
122 #if defined(CONFIG_DW_ALTDESCRIPTOR)
124 #define DESC_TXSTS_OWNBYDMA (1 << 31)
125 #define DESC_TXSTS_TXINT (1 << 30)
126 #define DESC_TXSTS_TXLAST (1 << 29)
127 #define DESC_TXSTS_TXFIRST (1 << 28)
128 #define DESC_TXSTS_TXCRCDIS (1 << 27)
130 #define DESC_TXSTS_TXPADDIS (1 << 26)
131 #define DESC_TXSTS_TXCHECKINSCTRL (3 << 22)
132 #define DESC_TXSTS_TXRINGEND (1 << 21)
133 #define DESC_TXSTS_TXCHAIN (1 << 20)
134 #define DESC_TXSTS_MSK (0x1FFFF << 0)
138 #define DESC_TXSTS_OWNBYDMA (1 << 31)
139 #define DESC_TXSTS_MSK (0x1FFFF << 0)
143 /* rx status bits definitions */
144 #define DESC_RXSTS_OWNBYDMA (1 << 31)
145 #define DESC_RXSTS_DAFILTERFAIL (1 << 30)
146 #define DESC_RXSTS_FRMLENMSK (0x3FFF << 16)
147 #define DESC_RXSTS_FRMLENSHFT (16)
149 #define DESC_RXSTS_ERROR (1 << 15)
150 #define DESC_RXSTS_RXTRUNCATED (1 << 14)
151 #define DESC_RXSTS_SAFILTERFAIL (1 << 13)
152 #define DESC_RXSTS_RXIPC_GIANTFRAME (1 << 12)
153 #define DESC_RXSTS_RXDAMAGED (1 << 11)
154 #define DESC_RXSTS_RXVLANTAG (1 << 10)
155 #define DESC_RXSTS_RXFIRST (1 << 9)
156 #define DESC_RXSTS_RXLAST (1 << 8)
157 #define DESC_RXSTS_RXIPC_GIANT (1 << 7)
158 #define DESC_RXSTS_RXCOLLISION (1 << 6)
159 #define DESC_RXSTS_RXFRAMEETHER (1 << 5)
160 #define DESC_RXSTS_RXWATCHDOG (1 << 4)
161 #define DESC_RXSTS_RXMIIERROR (1 << 3)
162 #define DESC_RXSTS_RXDRIBBLING (1 << 2)
163 #define DESC_RXSTS_RXCRC (1 << 1)
166 * dmamac_cntl definitions
169 /* tx control bits definitions */
170 #if defined(CONFIG_DW_ALTDESCRIPTOR)
172 #define DESC_TXCTRL_SIZE1MASK (0x1FFF << 0)
173 #define DESC_TXCTRL_SIZE1SHFT (0)
174 #define DESC_TXCTRL_SIZE2MASK (0x1FFF << 16)
175 #define DESC_TXCTRL_SIZE2SHFT (16)
179 #define DESC_TXCTRL_TXINT (1 << 31)
180 #define DESC_TXCTRL_TXLAST (1 << 30)
181 #define DESC_TXCTRL_TXFIRST (1 << 29)
182 #define DESC_TXCTRL_TXCHECKINSCTRL (3 << 27)
183 #define DESC_TXCTRL_TXCRCDIS (1 << 26)
184 #define DESC_TXCTRL_TXRINGEND (1 << 25)
185 #define DESC_TXCTRL_TXCHAIN (1 << 24)
187 #define DESC_TXCTRL_SIZE1MASK (0x7FF << 0)
188 #define DESC_TXCTRL_SIZE1SHFT (0)
189 #define DESC_TXCTRL_SIZE2MASK (0x7FF << 11)
190 #define DESC_TXCTRL_SIZE2SHFT (11)
194 /* rx control bits definitions */
195 #if defined(CONFIG_DW_ALTDESCRIPTOR)
197 #define DESC_RXCTRL_RXINTDIS (1 << 31)
198 #define DESC_RXCTRL_RXRINGEND (1 << 15)
199 #define DESC_RXCTRL_RXCHAIN (1 << 14)
201 #define DESC_RXCTRL_SIZE1MASK (0x1FFF << 0)
202 #define DESC_RXCTRL_SIZE1SHFT (0)
203 #define DESC_RXCTRL_SIZE2MASK (0x1FFF << 16)
204 #define DESC_RXCTRL_SIZE2SHFT (16)
208 #define DESC_RXCTRL_RXINTDIS (1 << 31)
209 #define DESC_RXCTRL_RXRINGEND (1 << 25)
210 #define DESC_RXCTRL_RXCHAIN (1 << 24)
212 #define DESC_RXCTRL_SIZE1MASK (0x7FF << 0)
213 #define DESC_RXCTRL_SIZE1SHFT (0)
214 #define DESC_RXCTRL_SIZE2MASK (0x7FF << 11)
215 #define DESC_RXCTRL_SIZE2SHFT (11)
220 struct dmamacdescr tx_mac_descrtable[CONFIG_TX_DESCR_NUM];
221 struct dmamacdescr rx_mac_descrtable[CONFIG_RX_DESCR_NUM];
222 char txbuffs[TX_TOTAL_BUFSIZE] __aligned(ARCH_DMA_MINALIGN);
223 char rxbuffs[RX_TOTAL_BUFSIZE] __aligned(ARCH_DMA_MINALIGN);
229 struct eth_mac_regs *mac_regs_p;
230 struct eth_dma_regs *dma_regs_p;
232 struct eth_device *dev;
233 struct phy_device *phydev;