xref: /openbmc/u-boot/drivers/net/smc911x.h (revision 33b1d3f4)
1 /*
2  * SMSC LAN9[12]1[567] Network driver
3  *
4  * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 #ifndef _SMC911X_H_
26 #define _SMC911X_H_
27 
28 #include <linux/types.h>
29 
30 #if defined (CONFIG_DRIVER_SMC911X_32_BIT) && \
31 	defined (CONFIG_DRIVER_SMC911X_16_BIT)
32 #error "SMC911X: Only one of CONFIG_DRIVER_SMC911X_32_BIT and \
33 	CONFIG_DRIVER_SMC911X_16_BIT shall be set"
34 #endif
35 
36 #if defined (CONFIG_DRIVER_SMC911X_32_BIT)
37 static inline u32 __smc911x_reg_read(u32 addr)
38 {
39 	return *(volatile u32*)addr;
40 }
41 u32 smc911x_reg_read(u32 addr) __attribute__((weak, alias("__smc911x_reg_read")));
42 
43 static inline void __smc911x_reg_write(u32 addr, u32 val)
44 {
45 	*(volatile u32*)addr = val;
46 }
47 void smc911x_reg_write(u32 addr, u32 val) __attribute__((weak, alias("__smc911x_reg_write")));
48 #elif defined (CONFIG_DRIVER_SMC911X_16_BIT)
49 static inline u32 smc911x_reg_read(u32 addr)
50 {
51 	volatile u16 *addr_16 = (u16 *)addr;
52 	return ((*addr_16 & 0x0000ffff) | (*(addr_16 + 1) << 16));
53 }
54 static inline void smc911x_reg_write(u32 addr, u32 val)
55 {
56 	*(volatile u16*)addr = (u16)val;
57 	*(volatile u16*)(addr + 2) = (u16)(val >> 16);
58 }
59 #else
60 #error "SMC911X: undefined bus width"
61 #endif /* CONFIG_DRIVER_SMC911X_16_BIT */
62 
63 /* Below are the register offsets and bit definitions
64  * of the Lan911x memory space
65  */
66 #define RX_DATA_FIFO		 (CONFIG_DRIVER_SMC911X_BASE + 0x00)
67 
68 #define TX_DATA_FIFO		 (CONFIG_DRIVER_SMC911X_BASE + 0x20)
69 #define	TX_CMD_A_INT_ON_COMP			0x80000000
70 #define	TX_CMD_A_INT_BUF_END_ALGN		0x03000000
71 #define	TX_CMD_A_INT_4_BYTE_ALGN		0x00000000
72 #define	TX_CMD_A_INT_16_BYTE_ALGN		0x01000000
73 #define	TX_CMD_A_INT_32_BYTE_ALGN		0x02000000
74 #define	TX_CMD_A_INT_DATA_OFFSET		0x001F0000
75 #define	TX_CMD_A_INT_FIRST_SEG			0x00002000
76 #define	TX_CMD_A_INT_LAST_SEG			0x00001000
77 #define	TX_CMD_A_BUF_SIZE			0x000007FF
78 #define	TX_CMD_B_PKT_TAG			0xFFFF0000
79 #define	TX_CMD_B_ADD_CRC_DISABLE		0x00002000
80 #define	TX_CMD_B_DISABLE_PADDING		0x00001000
81 #define	TX_CMD_B_PKT_BYTE_LENGTH		0x000007FF
82 
83 #define RX_STATUS_FIFO		(CONFIG_DRIVER_SMC911X_BASE + 0x40)
84 #define	RX_STS_PKT_LEN				0x3FFF0000
85 #define	RX_STS_ES				0x00008000
86 #define	RX_STS_BCST				0x00002000
87 #define	RX_STS_LEN_ERR				0x00001000
88 #define	RX_STS_RUNT_ERR				0x00000800
89 #define	RX_STS_MCAST				0x00000400
90 #define	RX_STS_TOO_LONG				0x00000080
91 #define	RX_STS_COLL				0x00000040
92 #define	RX_STS_ETH_TYPE				0x00000020
93 #define	RX_STS_WDOG_TMT				0x00000010
94 #define	RX_STS_MII_ERR				0x00000008
95 #define	RX_STS_DRIBBLING			0x00000004
96 #define	RX_STS_CRC_ERR				0x00000002
97 #define RX_STATUS_FIFO_PEEK	(CONFIG_DRIVER_SMC911X_BASE + 0x44)
98 #define TX_STATUS_FIFO		(CONFIG_DRIVER_SMC911X_BASE + 0x48)
99 #define	TX_STS_TAG				0xFFFF0000
100 #define	TX_STS_ES				0x00008000
101 #define	TX_STS_LOC				0x00000800
102 #define	TX_STS_NO_CARR				0x00000400
103 #define	TX_STS_LATE_COLL			0x00000200
104 #define	TX_STS_MANY_COLL			0x00000100
105 #define	TX_STS_COLL_CNT				0x00000078
106 #define	TX_STS_MANY_DEFER			0x00000004
107 #define	TX_STS_UNDERRUN				0x00000002
108 #define	TX_STS_DEFERRED				0x00000001
109 #define TX_STATUS_FIFO_PEEK	(CONFIG_DRIVER_SMC911X_BASE + 0x4C)
110 #define ID_REV			(CONFIG_DRIVER_SMC911X_BASE + 0x50)
111 #define	ID_REV_CHIP_ID				0xFFFF0000  /* RO */
112 #define	ID_REV_REV_ID				0x0000FFFF  /* RO */
113 
114 #define INT_CFG			(CONFIG_DRIVER_SMC911X_BASE + 0x54)
115 #define	INT_CFG_INT_DEAS			0xFF000000  /* R/W */
116 #define	INT_CFG_INT_DEAS_CLR			0x00004000
117 #define	INT_CFG_INT_DEAS_STS			0x00002000
118 #define	INT_CFG_IRQ_INT				0x00001000  /* RO */
119 #define	INT_CFG_IRQ_EN				0x00000100  /* R/W */
120 #define	INT_CFG_IRQ_POL				0x00000010  /* R/W Not Affected by SW Reset */
121 #define	INT_CFG_IRQ_TYPE			0x00000001  /* R/W Not Affected by SW Reset */
122 
123 #define INT_STS			(CONFIG_DRIVER_SMC911X_BASE + 0x58)
124 #define	INT_STS_SW_INT				0x80000000  /* R/WC */
125 #define	INT_STS_TXSTOP_INT			0x02000000  /* R/WC */
126 #define	INT_STS_RXSTOP_INT			0x01000000  /* R/WC */
127 #define	INT_STS_RXDFH_INT			0x00800000  /* R/WC */
128 #define	INT_STS_RXDF_INT			0x00400000  /* R/WC */
129 #define	INT_STS_TX_IOC				0x00200000  /* R/WC */
130 #define	INT_STS_RXD_INT				0x00100000  /* R/WC */
131 #define	INT_STS_GPT_INT				0x00080000  /* R/WC */
132 #define	INT_STS_PHY_INT				0x00040000  /* RO */
133 #define	INT_STS_PME_INT				0x00020000  /* R/WC */
134 #define	INT_STS_TXSO				0x00010000  /* R/WC */
135 #define	INT_STS_RWT				0x00008000  /* R/WC */
136 #define	INT_STS_RXE				0x00004000  /* R/WC */
137 #define	INT_STS_TXE				0x00002000  /* R/WC */
138 /*#define	INT_STS_ERX		0x00001000*/  /* R/WC */
139 #define	INT_STS_TDFU				0x00000800  /* R/WC */
140 #define	INT_STS_TDFO				0x00000400  /* R/WC */
141 #define	INT_STS_TDFA				0x00000200  /* R/WC */
142 #define	INT_STS_TSFF				0x00000100  /* R/WC */
143 #define	INT_STS_TSFL				0x00000080  /* R/WC */
144 /*#define	INT_STS_RXDF		0x00000040*/  /* R/WC */
145 #define	INT_STS_RDFO				0x00000040  /* R/WC */
146 #define	INT_STS_RDFL				0x00000020  /* R/WC */
147 #define	INT_STS_RSFF				0x00000010  /* R/WC */
148 #define	INT_STS_RSFL				0x00000008  /* R/WC */
149 #define	INT_STS_GPIO2_INT			0x00000004  /* R/WC */
150 #define	INT_STS_GPIO1_INT			0x00000002  /* R/WC */
151 #define	INT_STS_GPIO0_INT			0x00000001  /* R/WC */
152 #define INT_EN			(CONFIG_DRIVER_SMC911X_BASE + 0x5C)
153 #define	INT_EN_SW_INT_EN			0x80000000  /* R/W */
154 #define	INT_EN_TXSTOP_INT_EN			0x02000000  /* R/W */
155 #define	INT_EN_RXSTOP_INT_EN			0x01000000  /* R/W */
156 #define	INT_EN_RXDFH_INT_EN			0x00800000  /* R/W */
157 /*#define	INT_EN_RXDF_INT_EN		0x00400000*/  /* R/W */
158 #define	INT_EN_TIOC_INT_EN			0x00200000  /* R/W */
159 #define	INT_EN_RXD_INT_EN			0x00100000  /* R/W */
160 #define	INT_EN_GPT_INT_EN			0x00080000  /* R/W */
161 #define	INT_EN_PHY_INT_EN			0x00040000  /* R/W */
162 #define	INT_EN_PME_INT_EN			0x00020000  /* R/W */
163 #define	INT_EN_TXSO_EN				0x00010000  /* R/W */
164 #define	INT_EN_RWT_EN				0x00008000  /* R/W */
165 #define	INT_EN_RXE_EN				0x00004000  /* R/W */
166 #define	INT_EN_TXE_EN				0x00002000  /* R/W */
167 /*#define	INT_EN_ERX_EN			0x00001000*/  /* R/W */
168 #define	INT_EN_TDFU_EN				0x00000800  /* R/W */
169 #define	INT_EN_TDFO_EN				0x00000400  /* R/W */
170 #define	INT_EN_TDFA_EN				0x00000200  /* R/W */
171 #define	INT_EN_TSFF_EN				0x00000100  /* R/W */
172 #define	INT_EN_TSFL_EN				0x00000080  /* R/W */
173 /*#define	INT_EN_RXDF_EN			0x00000040*/  /* R/W */
174 #define	INT_EN_RDFO_EN				0x00000040  /* R/W */
175 #define	INT_EN_RDFL_EN				0x00000020  /* R/W */
176 #define	INT_EN_RSFF_EN				0x00000010  /* R/W */
177 #define	INT_EN_RSFL_EN				0x00000008  /* R/W */
178 #define	INT_EN_GPIO2_INT			0x00000004  /* R/W */
179 #define	INT_EN_GPIO1_INT			0x00000002  /* R/W */
180 #define	INT_EN_GPIO0_INT			0x00000001  /* R/W */
181 
182 #define BYTE_TEST		(CONFIG_DRIVER_SMC911X_BASE + 0x64)
183 #define FIFO_INT		(CONFIG_DRIVER_SMC911X_BASE + 0x68)
184 #define	FIFO_INT_TX_AVAIL_LEVEL			0xFF000000  /* R/W */
185 #define	FIFO_INT_TX_STS_LEVEL			0x00FF0000  /* R/W */
186 #define	FIFO_INT_RX_AVAIL_LEVEL			0x0000FF00  /* R/W */
187 #define	FIFO_INT_RX_STS_LEVEL			0x000000FF  /* R/W */
188 
189 #define RX_CFG			(CONFIG_DRIVER_SMC911X_BASE + 0x6C)
190 #define	RX_CFG_RX_END_ALGN			0xC0000000  /* R/W */
191 #define		RX_CFG_RX_END_ALGN4		0x00000000  /* R/W */
192 #define		RX_CFG_RX_END_ALGN16		0x40000000  /* R/W */
193 #define		RX_CFG_RX_END_ALGN32		0x80000000  /* R/W */
194 #define	RX_CFG_RX_DMA_CNT			0x0FFF0000  /* R/W */
195 #define	RX_CFG_RX_DUMP				0x00008000  /* R/W */
196 #define	RX_CFG_RXDOFF				0x00001F00  /* R/W */
197 /*#define	RX_CFG_RXBAD			0x00000001*/  /* R/W */
198 
199 #define TX_CFG			(CONFIG_DRIVER_SMC911X_BASE + 0x70)
200 /*#define	TX_CFG_TX_DMA_LVL		0xE0000000*/	 /* R/W */
201 /*#define	TX_CFG_TX_DMA_CNT		0x0FFF0000*/	 /* R/W Self Clearing */
202 #define	TX_CFG_TXS_DUMP				0x00008000  /* Self Clearing */
203 #define	TX_CFG_TXD_DUMP				0x00004000  /* Self Clearing */
204 #define	TX_CFG_TXSAO				0x00000004  /* R/W */
205 #define	TX_CFG_TX_ON				0x00000002  /* R/W */
206 #define	TX_CFG_STOP_TX				0x00000001  /* Self Clearing */
207 
208 #define HW_CFG			(CONFIG_DRIVER_SMC911X_BASE + 0x74)
209 #define	HW_CFG_TTM				0x00200000  /* R/W */
210 #define	HW_CFG_SF				0x00100000  /* R/W */
211 #define	HW_CFG_TX_FIF_SZ			0x000F0000  /* R/W */
212 #define	HW_CFG_TR				0x00003000  /* R/W */
213 #define	HW_CFG_PHY_CLK_SEL			0x00000060  /* R/W */
214 #define	HW_CFG_PHY_CLK_SEL_INT_PHY		0x00000000 /* R/W */
215 #define	HW_CFG_PHY_CLK_SEL_EXT_PHY		0x00000020 /* R/W */
216 #define	HW_CFG_PHY_CLK_SEL_CLK_DIS		0x00000040 /* R/W */
217 #define	HW_CFG_SMI_SEL				0x00000010  /* R/W */
218 #define	HW_CFG_EXT_PHY_DET			0x00000008  /* RO */
219 #define	HW_CFG_EXT_PHY_EN			0x00000004  /* R/W */
220 #define	HW_CFG_32_16_BIT_MODE			0x00000004  /* RO */
221 #define	HW_CFG_SRST_TO				0x00000002  /* RO */
222 #define	HW_CFG_SRST				0x00000001  /* Self Clearing */
223 
224 #define RX_DP_CTRL		(CONFIG_DRIVER_SMC911X_BASE + 0x78)
225 #define	RX_DP_CTRL_RX_FFWD			0x80000000  /* R/W */
226 #define	RX_DP_CTRL_FFWD_BUSY			0x80000000  /* RO */
227 
228 #define RX_FIFO_INF		(CONFIG_DRIVER_SMC911X_BASE + 0x7C)
229 #define	 RX_FIFO_INF_RXSUSED			0x00FF0000  /* RO */
230 #define	 RX_FIFO_INF_RXDUSED			0x0000FFFF  /* RO */
231 
232 #define TX_FIFO_INF		(CONFIG_DRIVER_SMC911X_BASE + 0x80)
233 #define	TX_FIFO_INF_TSUSED			0x00FF0000  /* RO */
234 #define	TX_FIFO_INF_TDFREE			0x0000FFFF  /* RO */
235 
236 #define PMT_CTRL		(CONFIG_DRIVER_SMC911X_BASE + 0x84)
237 #define	PMT_CTRL_PM_MODE			0x00003000  /* Self Clearing */
238 #define	PMT_CTRL_PHY_RST			0x00000400  /* Self Clearing */
239 #define	PMT_CTRL_WOL_EN				0x00000200  /* R/W */
240 #define	PMT_CTRL_ED_EN				0x00000100  /* R/W */
241 #define	PMT_CTRL_PME_TYPE			0x00000040  /* R/W Not Affected by SW Reset */
242 #define	PMT_CTRL_WUPS				0x00000030  /* R/WC */
243 #define	PMT_CTRL_WUPS_NOWAKE			0x00000000  /* R/WC */
244 #define	PMT_CTRL_WUPS_ED			0x00000010  /* R/WC */
245 #define	PMT_CTRL_WUPS_WOL			0x00000020  /* R/WC */
246 #define	PMT_CTRL_WUPS_MULTI			0x00000030  /* R/WC */
247 #define	PMT_CTRL_PME_IND			0x00000008  /* R/W */
248 #define	PMT_CTRL_PME_POL			0x00000004  /* R/W */
249 #define	PMT_CTRL_PME_EN				0x00000002  /* R/W Not Affected by SW Reset */
250 #define	PMT_CTRL_READY				0x00000001  /* RO */
251 
252 #define GPIO_CFG		(CONFIG_DRIVER_SMC911X_BASE + 0x88)
253 #define	GPIO_CFG_LED3_EN			0x40000000  /* R/W */
254 #define	GPIO_CFG_LED2_EN			0x20000000  /* R/W */
255 #define	GPIO_CFG_LED1_EN			0x10000000  /* R/W */
256 #define	GPIO_CFG_GPIO2_INT_POL			0x04000000  /* R/W */
257 #define	GPIO_CFG_GPIO1_INT_POL			0x02000000  /* R/W */
258 #define	GPIO_CFG_GPIO0_INT_POL			0x01000000  /* R/W */
259 #define	GPIO_CFG_EEPR_EN			0x00700000  /* R/W */
260 #define	GPIO_CFG_GPIOBUF2			0x00040000  /* R/W */
261 #define	GPIO_CFG_GPIOBUF1			0x00020000  /* R/W */
262 #define	GPIO_CFG_GPIOBUF0			0x00010000  /* R/W */
263 #define	GPIO_CFG_GPIODIR2			0x00000400  /* R/W */
264 #define	GPIO_CFG_GPIODIR1			0x00000200  /* R/W */
265 #define	GPIO_CFG_GPIODIR0			0x00000100  /* R/W */
266 #define	GPIO_CFG_GPIOD4				0x00000010  /* R/W */
267 #define	GPIO_CFG_GPIOD3				0x00000008  /* R/W */
268 #define	GPIO_CFG_GPIOD2				0x00000004  /* R/W */
269 #define	GPIO_CFG_GPIOD1				0x00000002  /* R/W */
270 #define	GPIO_CFG_GPIOD0				0x00000001  /* R/W */
271 
272 #define GPT_CFG			(CONFIG_DRIVER_SMC911X_BASE + 0x8C)
273 #define	GPT_CFG_TIMER_EN			0x20000000  /* R/W */
274 #define	GPT_CFG_GPT_LOAD			0x0000FFFF  /* R/W */
275 
276 #define GPT_CNT			(CONFIG_DRIVER_SMC911X_BASE + 0x90)
277 #define	GPT_CNT_GPT_CNT				0x0000FFFF  /* RO */
278 
279 #define ENDIAN			(CONFIG_DRIVER_SMC911X_BASE + 0x98)
280 #define FREE_RUN		(CONFIG_DRIVER_SMC911X_BASE + 0x9C)
281 #define RX_DROP			(CONFIG_DRIVER_SMC911X_BASE + 0xA0)
282 #define MAC_CSR_CMD		(CONFIG_DRIVER_SMC911X_BASE + 0xA4)
283 #define	 MAC_CSR_CMD_CSR_BUSY			0x80000000  /* Self Clearing */
284 #define	 MAC_CSR_CMD_R_NOT_W			0x40000000  /* R/W */
285 #define	 MAC_CSR_CMD_CSR_ADDR			0x000000FF  /* R/W */
286 
287 #define MAC_CSR_DATA		(CONFIG_DRIVER_SMC911X_BASE + 0xA8)
288 #define AFC_CFG			(CONFIG_DRIVER_SMC911X_BASE + 0xAC)
289 #define		AFC_CFG_AFC_HI			0x00FF0000  /* R/W */
290 #define		AFC_CFG_AFC_LO			0x0000FF00  /* R/W */
291 #define		AFC_CFG_BACK_DUR		0x000000F0  /* R/W */
292 #define		AFC_CFG_FCMULT			0x00000008  /* R/W */
293 #define		AFC_CFG_FCBRD			0x00000004  /* R/W */
294 #define		AFC_CFG_FCADD			0x00000002  /* R/W */
295 #define		AFC_CFG_FCANY			0x00000001  /* R/W */
296 
297 #define E2P_CMD			(CONFIG_DRIVER_SMC911X_BASE + 0xB0)
298 #define		E2P_CMD_EPC_BUSY		0x80000000  /* Self Clearing */
299 #define		E2P_CMD_EPC_CMD			0x70000000  /* R/W */
300 #define		E2P_CMD_EPC_CMD_READ		0x00000000  /* R/W */
301 #define		E2P_CMD_EPC_CMD_EWDS		0x10000000  /* R/W */
302 #define		E2P_CMD_EPC_CMD_EWEN		0x20000000  /* R/W */
303 #define		E2P_CMD_EPC_CMD_WRITE		0x30000000  /* R/W */
304 #define		E2P_CMD_EPC_CMD_WRAL		0x40000000  /* R/W */
305 #define		E2P_CMD_EPC_CMD_ERASE		0x50000000  /* R/W */
306 #define		E2P_CMD_EPC_CMD_ERAL		0x60000000  /* R/W */
307 #define		E2P_CMD_EPC_CMD_RELOAD		0x70000000  /* R/W */
308 #define		E2P_CMD_EPC_TIMEOUT		0x00000200  /* RO */
309 #define		E2P_CMD_MAC_ADDR_LOADED		0x00000100  /* RO */
310 #define		E2P_CMD_EPC_ADDR		0x000000FF  /* R/W */
311 
312 #define E2P_DATA		(CONFIG_DRIVER_SMC911X_BASE + 0xB4)
313 #define	E2P_DATA_EEPROM_DATA			0x000000FF  /* R/W */
314 /* end of LAN register offsets and bit definitions */
315 
316 /* MAC Control and Status registers */
317 #define MAC_CR			0x01  /* R/W */
318 
319 /* MAC_CR - MAC Control Register */
320 #define MAC_CR_RXALL			0x80000000
321 /* TODO: delete this bit? It is not described in the data sheet. */
322 #define MAC_CR_HBDIS			0x10000000
323 #define MAC_CR_RCVOWN			0x00800000
324 #define MAC_CR_LOOPBK			0x00200000
325 #define MAC_CR_FDPX			0x00100000
326 #define MAC_CR_MCPAS			0x00080000
327 #define MAC_CR_PRMS			0x00040000
328 #define MAC_CR_INVFILT			0x00020000
329 #define MAC_CR_PASSBAD			0x00010000
330 #define MAC_CR_HFILT			0x00008000
331 #define MAC_CR_HPFILT			0x00002000
332 #define MAC_CR_LCOLL			0x00001000
333 #define MAC_CR_BCAST			0x00000800
334 #define MAC_CR_DISRTY			0x00000400
335 #define MAC_CR_PADSTR			0x00000100
336 #define MAC_CR_BOLMT_MASK		0x000000C0
337 #define MAC_CR_DFCHK			0x00000020
338 #define MAC_CR_TXEN			0x00000008
339 #define MAC_CR_RXEN			0x00000004
340 
341 #define ADDRH			0x02	  /* R/W mask 0x0000FFFFUL */
342 #define ADDRL			0x03	  /* R/W mask 0xFFFFFFFFUL */
343 #define HASHH			0x04	  /* R/W */
344 #define HASHL			0x05	  /* R/W */
345 
346 #define MII_ACC			0x06	  /* R/W */
347 #define MII_ACC_PHY_ADDR		0x0000F800
348 #define MII_ACC_MIIRINDA		0x000007C0
349 #define MII_ACC_MII_WRITE		0x00000002
350 #define MII_ACC_MII_BUSY		0x00000001
351 
352 #define MII_DATA		0x07	  /* R/W mask 0x0000FFFFUL */
353 
354 #define FLOW			0x08	  /* R/W */
355 #define FLOW_FCPT			0xFFFF0000
356 #define FLOW_FCPASS			0x00000004
357 #define FLOW_FCEN			0x00000002
358 #define FLOW_FCBSY			0x00000001
359 
360 #define VLAN1			0x09	  /* R/W mask 0x0000FFFFUL */
361 #define VLAN1_VTI1			0x0000ffff
362 
363 #define VLAN2			0x0A	  /* R/W mask 0x0000FFFFUL */
364 #define VLAN2_VTI2			0x0000ffff
365 
366 #define WUFF			0x0B	  /* WO */
367 
368 #define WUCSR			0x0C	  /* R/W */
369 #define WUCSR_GUE			0x00000200
370 #define WUCSR_WUFR			0x00000040
371 #define WUCSR_MPR			0x00000020
372 #define WUCSR_WAKE_EN			0x00000004
373 #define WUCSR_MPEN			0x00000002
374 
375 /* Chip ID values */
376 #define CHIP_9115	0x115
377 #define CHIP_9116	0x116
378 #define CHIP_9117	0x117
379 #define CHIP_9118	0x118
380 #define CHIP_9211	0x9211
381 #define CHIP_9215	0x115a
382 #define CHIP_9216	0x116a
383 #define CHIP_9217	0x117a
384 #define CHIP_9218	0x118a
385 
386 struct chip_id {
387 	u16 id;
388 	char *name;
389 };
390 
391 static const struct chip_id chip_ids[] =  {
392 	{ CHIP_9115, "LAN9115" },
393 	{ CHIP_9116, "LAN9116" },
394 	{ CHIP_9117, "LAN9117" },
395 	{ CHIP_9118, "LAN9118" },
396 	{ CHIP_9211, "LAN9211" },
397 	{ CHIP_9215, "LAN9215" },
398 	{ CHIP_9216, "LAN9216" },
399 	{ CHIP_9217, "LAN9217" },
400 	{ CHIP_9218, "LAN9218" },
401 	{ 0, NULL },
402 };
403 
404 
405 #define DRIVERNAME "smc911x"
406 
407 static u32 smc911x_get_mac_csr(u8 reg)
408 {
409 	while (smc911x_reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
410 		;
411 	smc911x_reg_write(MAC_CSR_CMD, MAC_CSR_CMD_CSR_BUSY | MAC_CSR_CMD_R_NOT_W | reg);
412 	while (smc911x_reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
413 		;
414 
415 	return smc911x_reg_read(MAC_CSR_DATA);
416 }
417 
418 static void smc911x_set_mac_csr(u8 reg, u32 data)
419 {
420 	while (smc911x_reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
421 		;
422 	smc911x_reg_write(MAC_CSR_DATA, data);
423 	smc911x_reg_write(MAC_CSR_CMD, MAC_CSR_CMD_CSR_BUSY | reg);
424 	while (smc911x_reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
425 		;
426 }
427 
428 static int smc911x_detect_chip(void)
429 {
430 	unsigned long val, i;
431 
432 	val = smc911x_reg_read(BYTE_TEST);
433 	if (val != 0x87654321) {
434 		printf(DRIVERNAME ": Invalid chip endian 0x%08lx\n", val);
435 		return -1;
436 	}
437 
438 	val = smc911x_reg_read(ID_REV) >> 16;
439 	for (i = 0; chip_ids[i].id != 0; i++) {
440 		if (chip_ids[i].id == val) break;
441 	}
442 	if (!chip_ids[i].id) {
443 		printf(DRIVERNAME ": Unknown chip ID %04lx\n", val);
444 		return -1;
445 	}
446 
447 	printf(DRIVERNAME ": detected %s controller\n", chip_ids[i].name);
448 
449 	return 0;
450 }
451 
452 static void smc911x_reset(void)
453 {
454 	int timeout;
455 
456 	/* Take out of PM setting first */
457 	if (smc911x_reg_read(PMT_CTRL) & PMT_CTRL_READY) {
458 		/* Write to the bytetest will take out of powerdown */
459 		smc911x_reg_write(BYTE_TEST, 0x0);
460 
461 		timeout = 10;
462 
463 		while (timeout-- && !(smc911x_reg_read(PMT_CTRL) & PMT_CTRL_READY))
464 			udelay(10);
465 		if (!timeout) {
466 			printf(DRIVERNAME
467 				": timeout waiting for PM restore\n");
468 			return;
469 		}
470 	}
471 
472 	/* Disable interrupts */
473 	smc911x_reg_write(INT_EN, 0);
474 
475 	smc911x_reg_write(HW_CFG, HW_CFG_SRST);
476 
477 	timeout = 1000;
478 	while (timeout-- && smc911x_reg_read(E2P_CMD) & E2P_CMD_EPC_BUSY)
479 		udelay(10);
480 
481 	if (!timeout) {
482 		printf(DRIVERNAME ": reset timeout\n");
483 		return;
484 	}
485 
486 	/* Reset the FIFO level and flow control settings */
487 	smc911x_set_mac_csr(FLOW, FLOW_FCPT | FLOW_FCEN);
488 	smc911x_reg_write(AFC_CFG, 0x0050287F);
489 
490 	/* Set to LED outputs */
491 	smc911x_reg_write(GPIO_CFG, 0x70070000);
492 }
493 
494 #endif
495