3 * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
5 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm-generic/gpio.h>
15 #define CONFIG_TX_DESCR_NUM 16
16 #define CONFIG_RX_DESCR_NUM 16
17 #define CONFIG_ETH_BUFSIZE 2048
18 #define TX_TOTAL_BUFSIZE (CONFIG_ETH_BUFSIZE * CONFIG_TX_DESCR_NUM)
19 #define RX_TOTAL_BUFSIZE (CONFIG_ETH_BUFSIZE * CONFIG_RX_DESCR_NUM)
21 #define CONFIG_MACRESET_TIMEOUT (3 * CONFIG_SYS_HZ)
22 #define CONFIG_MDIO_TIMEOUT (3 * CONFIG_SYS_HZ)
26 u32 framefilt; /* 0x04 */
27 u32 hashtablehigh; /* 0x08 */
28 u32 hashtablelow; /* 0x0c */
29 u32 miiaddr; /* 0x10 */
30 u32 miidata; /* 0x14 */
31 u32 flowcontrol; /* 0x18 */
32 u32 vlantag; /* 0x1c */
33 u32 version; /* 0x20 */
35 u32 intreg; /* 0x38 */
36 u32 intmask; /* 0x3c */
37 u32 macaddr0hi; /* 0x40 */
38 u32 macaddr0lo; /* 0x44 */
41 /* MAC configuration register definitions */
42 #define FRAMEBURSTENABLE (1 << 21)
43 #define MII_PORTSELECT (1 << 15)
44 #define FES_100 (1 << 14)
45 #define DISABLERXOWN (1 << 13)
46 #define FULLDPLXMODE (1 << 11)
47 #define RXENABLE (1 << 2)
48 #define TXENABLE (1 << 3)
50 /* MII address register definitions */
51 #define MII_BUSY (1 << 0)
52 #define MII_WRITE (1 << 1)
53 #define MII_CLKRANGE_60_100M (0)
54 #define MII_CLKRANGE_100_150M (0x4)
55 #define MII_CLKRANGE_20_35M (0x8)
56 #define MII_CLKRANGE_35_60M (0xC)
57 #define MII_CLKRANGE_150_250M (0x10)
58 #define MII_CLKRANGE_250_300M (0x14)
60 #define MIIADDRSHIFT (11)
61 #define MIIREGSHIFT (6)
62 #define MII_REGMSK (0x1F << 6)
63 #define MII_ADDRMSK (0x1F << 11)
67 u32 busmode; /* 0x00 */
68 u32 txpolldemand; /* 0x04 */
69 u32 rxpolldemand; /* 0x08 */
70 u32 rxdesclistaddr; /* 0x0c */
71 u32 txdesclistaddr; /* 0x10 */
72 u32 status; /* 0x14 */
73 u32 opmode; /* 0x18 */
74 u32 intenable; /* 0x1c */
76 u32 axibus; /* 0x28 */
78 u32 currhosttxdesc; /* 0x48 */
79 u32 currhostrxdesc; /* 0x4c */
80 u32 currhosttxbuffaddr; /* 0x50 */
81 u32 currhostrxbuffaddr; /* 0x54 */
84 #define DW_DMA_BASE_OFFSET (0x1000)
86 /* Default DMA Burst length */
87 #ifndef CONFIG_DW_GMAC_DEFAULT_DMA_PBL
88 #define CONFIG_DW_GMAC_DEFAULT_DMA_PBL 8
91 /* Bus mode register definitions */
92 #define FIXEDBURST (1 << 16)
93 #define PRIORXTX_41 (3 << 14)
94 #define PRIORXTX_31 (2 << 14)
95 #define PRIORXTX_21 (1 << 14)
96 #define PRIORXTX_11 (0 << 14)
97 #define DMA_PBL (CONFIG_DW_GMAC_DEFAULT_DMA_PBL<<8)
98 #define RXHIGHPRIO (1 << 1)
99 #define DMAMAC_SRST (1 << 0)
101 /* Poll demand definitions */
102 #define POLL_DATA (0xFFFFFFFF)
104 /* Operation mode definitions */
105 #define STOREFORWARD (1 << 21)
106 #define FLUSHTXFIFO (1 << 20)
107 #define TXSTART (1 << 13)
108 #define TXSECONDFRAME (1 << 2)
109 #define RXSTART (1 << 1)
111 /* Descriptior related definitions */
112 #define MAC_MAX_FRAME_SZ (1600)
119 } __aligned(ARCH_DMA_MINALIGN);
122 * txrx_status definitions
125 /* tx status bits definitions */
126 #if defined(CONFIG_DW_ALTDESCRIPTOR)
128 #define DESC_TXSTS_OWNBYDMA (1 << 31)
129 #define DESC_TXSTS_TXINT (1 << 30)
130 #define DESC_TXSTS_TXLAST (1 << 29)
131 #define DESC_TXSTS_TXFIRST (1 << 28)
132 #define DESC_TXSTS_TXCRCDIS (1 << 27)
134 #define DESC_TXSTS_TXPADDIS (1 << 26)
135 #define DESC_TXSTS_TXCHECKINSCTRL (3 << 22)
136 #define DESC_TXSTS_TXRINGEND (1 << 21)
137 #define DESC_TXSTS_TXCHAIN (1 << 20)
138 #define DESC_TXSTS_MSK (0x1FFFF << 0)
142 #define DESC_TXSTS_OWNBYDMA (1 << 31)
143 #define DESC_TXSTS_MSK (0x1FFFF << 0)
147 /* rx status bits definitions */
148 #define DESC_RXSTS_OWNBYDMA (1 << 31)
149 #define DESC_RXSTS_DAFILTERFAIL (1 << 30)
150 #define DESC_RXSTS_FRMLENMSK (0x3FFF << 16)
151 #define DESC_RXSTS_FRMLENSHFT (16)
153 #define DESC_RXSTS_ERROR (1 << 15)
154 #define DESC_RXSTS_RXTRUNCATED (1 << 14)
155 #define DESC_RXSTS_SAFILTERFAIL (1 << 13)
156 #define DESC_RXSTS_RXIPC_GIANTFRAME (1 << 12)
157 #define DESC_RXSTS_RXDAMAGED (1 << 11)
158 #define DESC_RXSTS_RXVLANTAG (1 << 10)
159 #define DESC_RXSTS_RXFIRST (1 << 9)
160 #define DESC_RXSTS_RXLAST (1 << 8)
161 #define DESC_RXSTS_RXIPC_GIANT (1 << 7)
162 #define DESC_RXSTS_RXCOLLISION (1 << 6)
163 #define DESC_RXSTS_RXFRAMEETHER (1 << 5)
164 #define DESC_RXSTS_RXWATCHDOG (1 << 4)
165 #define DESC_RXSTS_RXMIIERROR (1 << 3)
166 #define DESC_RXSTS_RXDRIBBLING (1 << 2)
167 #define DESC_RXSTS_RXCRC (1 << 1)
170 * dmamac_cntl definitions
173 /* tx control bits definitions */
174 #if defined(CONFIG_DW_ALTDESCRIPTOR)
176 #define DESC_TXCTRL_SIZE1MASK (0x1FFF << 0)
177 #define DESC_TXCTRL_SIZE1SHFT (0)
178 #define DESC_TXCTRL_SIZE2MASK (0x1FFF << 16)
179 #define DESC_TXCTRL_SIZE2SHFT (16)
183 #define DESC_TXCTRL_TXINT (1 << 31)
184 #define DESC_TXCTRL_TXLAST (1 << 30)
185 #define DESC_TXCTRL_TXFIRST (1 << 29)
186 #define DESC_TXCTRL_TXCHECKINSCTRL (3 << 27)
187 #define DESC_TXCTRL_TXCRCDIS (1 << 26)
188 #define DESC_TXCTRL_TXRINGEND (1 << 25)
189 #define DESC_TXCTRL_TXCHAIN (1 << 24)
191 #define DESC_TXCTRL_SIZE1MASK (0x7FF << 0)
192 #define DESC_TXCTRL_SIZE1SHFT (0)
193 #define DESC_TXCTRL_SIZE2MASK (0x7FF << 11)
194 #define DESC_TXCTRL_SIZE2SHFT (11)
198 /* rx control bits definitions */
199 #if defined(CONFIG_DW_ALTDESCRIPTOR)
201 #define DESC_RXCTRL_RXINTDIS (1 << 31)
202 #define DESC_RXCTRL_RXRINGEND (1 << 15)
203 #define DESC_RXCTRL_RXCHAIN (1 << 14)
205 #define DESC_RXCTRL_SIZE1MASK (0x1FFF << 0)
206 #define DESC_RXCTRL_SIZE1SHFT (0)
207 #define DESC_RXCTRL_SIZE2MASK (0x1FFF << 16)
208 #define DESC_RXCTRL_SIZE2SHFT (16)
212 #define DESC_RXCTRL_RXINTDIS (1 << 31)
213 #define DESC_RXCTRL_RXRINGEND (1 << 25)
214 #define DESC_RXCTRL_RXCHAIN (1 << 24)
216 #define DESC_RXCTRL_SIZE1MASK (0x7FF << 0)
217 #define DESC_RXCTRL_SIZE1SHFT (0)
218 #define DESC_RXCTRL_SIZE2MASK (0x7FF << 11)
219 #define DESC_RXCTRL_SIZE2SHFT (11)
224 struct dmamacdescr tx_mac_descrtable[CONFIG_TX_DESCR_NUM];
225 struct dmamacdescr rx_mac_descrtable[CONFIG_RX_DESCR_NUM];
226 char txbuffs[TX_TOTAL_BUFSIZE] __aligned(ARCH_DMA_MINALIGN);
227 char rxbuffs[RX_TOTAL_BUFSIZE] __aligned(ARCH_DMA_MINALIGN);
234 struct eth_mac_regs *mac_regs_p;
235 struct eth_dma_regs *dma_regs_p;
236 #ifndef CONFIG_DM_ETH
237 struct eth_device *dev;
239 #ifdef CONFIG_DM_GPIO
240 struct gpio_desc reset_gpio;
243 struct phy_device *phydev;
248 struct dw_eth_pdata {
249 struct eth_pdata eth_pdata;