xref: /openbmc/u-boot/drivers/net/ax88180.h (revision 552a848e)
1 /* ax88180.h: ASIX AX88180 Non-PCI Gigabit Ethernet u-boot driver */
2 /*
3  *
4  *  This program is free software; you can distribute it and/or modify it
5  *  under the terms of the GNU General Public License (Version 2) as
6  *  published by the Free Software Foundation.
7  *
8  *  This program is distributed in the hope it will be useful, but WITHOUT
9  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
11  *  for more details.
12  *
13  *  You should have received a copy of the GNU General Public License along
14  *  with this program; if not, write to the Free Software Foundation, Inc.,
15  *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
16  *
17  */
18 
19 #ifndef _AX88180_H_
20 #define _AX88180_H_
21 
22 #include <asm/io.h>
23 #include <asm/types.h>
24 #include <config.h>
25 
26 typedef enum _ax88180_link_state {
27 	INS_LINK_DOWN,
28 	INS_LINK_UP,
29 	INS_LINK_UNKNOWN
30 } ax88180_link_state;
31 
32 struct ax88180_private {
33 	unsigned char BusWidth;
34 	unsigned char PadSize;
35 	unsigned short PhyAddr;
36 	unsigned short PhyID0;
37 	unsigned short PhyID1;
38 	unsigned short FirstTxDesc;
39 	unsigned short NextTxDesc;
40 	ax88180_link_state LinkState;
41 };
42 
43 #define BUS_WIDTH_16			1
44 #define BUS_WIDTH_32			2
45 
46 #define ENABLE_JUMBO			1
47 #define DISABLE_JUMBO			0
48 
49 #define ENABLE_BURST			1
50 #define DISABLE_BURST			0
51 
52 #define NORMAL_RX_MODE		0
53 #define RX_LOOPBACK_MODE		1
54 #define RX_INIFINIT_LOOP_MODE		2
55 #define TX_INIFINIT_LOOP_MODE		3
56 
57 #define DEFAULT_ETH_MTU		1500
58 
59 /* Jumbo packet size 4086 bytes included 4 bytes CRC*/
60 #define MAX_JUMBO_MTU		4072
61 
62 /* Max Tx Jumbo size 4086 bytes included 4 bytes CRC */
63 #define MAX_TX_JUMBO_SIZE		4086
64 
65 /* Max Rx Jumbo size is 15K Bytes */
66 #define MAX_RX_SIZE			0x3C00
67 
68 #define MARVELL_ALASKA_PHYSID0	0x141
69 #define MARVELL_88E1118_PHYSID1	0xE40
70 
71 #define CICADA_CIS8201_PHYSID0		0x000F
72 
73 #define MEDIA_AUTO			0
74 #define MEDIA_1000FULL			1
75 #define MEDIA_1000HALF			2
76 #define MEDIA_100FULL			3
77 #define MEDIA_100HALF			4
78 #define MEDIA_10FULL			5
79 #define MEDIA_10HALF			6
80 #define MEDIA_UNKNOWN		7
81 
82 #define AUTO_MEDIA			0
83 #define FORCE_MEDIA			1
84 
85 #define TXDP_MASK			3
86 #define TXDP0				0
87 #define TXDP1				1
88 #define TXDP2				2
89 #define TXDP3				3
90 
91 #define CMD_MAP_SIZE			0x100
92 
93 #if defined (CONFIG_DRIVER_AX88180_16BIT)
94   #define AX88180_MEMORY_SIZE		0x00004000
95   #define START_BASE			0x1000
96 
97   #define RX_BUF_SIZE			0x1000
98   #define TX_BUF_SIZE			0x0F00
99 
100   #define TX_BASE			START_BASE
101   #define CMD_BASE			(TX_BASE + TX_BUF_SIZE)
102   #define RX_BASE			(CMD_BASE + CMD_MAP_SIZE)
103 #else
104   #define AX88180_MEMORY_SIZE	0x00010000
105 
106   #define RX_BUF_SIZE			0x8000
107   #define TX_BUF_SIZE			0x7C00
108 
109   #define RX_BASE			0x0000
110   #define TX_BASE			(RX_BASE + RX_BUF_SIZE)
111   #define CMD_BASE			(TX_BASE + TX_BUF_SIZE)
112 #endif
113 
114 /* AX88180 Memory Mapping Definition */
115 #define RXBUFFER_START			RX_BASE
116   #define RX_PACKET_LEN_OFFSET	0
117   #define RX_PAGE_NUM_MASK		0x7FF	/* RX pages 0~7FFh */
118 #define TXBUFFER_START			TX_BASE
119 
120 /* AX88180 MAC Register Definition */
121 #define DECODE		(0)
122   #define DECODE_EN		0x00000001
123 #define BASE		(6)
124 #define CMD		(CMD_BASE + 0x0000)
125   #define WAKEMOD		0x00000001
126   #define TXEN			0x00000100
127   #define RXEN			0x00000200
128   #define DEFAULT_CMD		WAKEMOD
129 #define IMR		(CMD_BASE + 0x0004)
130   #define IMR_RXBUFFOVR	0x00000001
131   #define IMR_WATCHDOG	0x00000002
132   #define IMR_TX		0x00000008
133   #define IMR_RX		0x00000010
134   #define IMR_PHY		0x00000020
135   #define CLEAR_IMR		0x00000000
136   #define DEFAULT_IMR		(IMR_PHY | IMR_RX | IMR_TX |\
137 					 IMR_RXBUFFOVR | IMR_WATCHDOG)
138 #define ISR		(CMD_BASE + 0x0008)
139   #define ISR_RXBUFFOVR	0x00000001
140   #define ISR_WATCHDOG	0x00000002
141   #define ISR_TX			0x00000008
142   #define ISR_RX			0x00000010
143   #define ISR_PHY		0x00000020
144 #define TXCFG		(CMD_BASE + 0x0010)
145   #define AUTOPAD_CRC		0x00000050
146   #define DEFAULT_TXCFG	AUTOPAD_CRC
147 #define TXCMD		(CMD_BASE + 0x0014)
148   #define TXCMD_TXDP_MASK	0x00006000
149   #define TXCMD_TXDP0		0x00000000
150   #define TXCMD_TXDP1		0x00002000
151   #define TXCMD_TXDP2		0x00004000
152   #define TXCMD_TXDP3		0x00006000
153   #define TX_START_WRITE	0x00008000
154   #define TX_STOP_WRITE		0x00000000
155   #define DEFAULT_TXCMD	0x00000000
156 #define TXBS		(CMD_BASE + 0x0018)
157   #define TXDP0_USED		0x00000001
158   #define TXDP1_USED		0x00000002
159   #define TXDP2_USED		0x00000004
160   #define TXDP3_USED		0x00000008
161   #define DEFAULT_TXBS		0x00000000
162 #define TXDES0		(CMD_BASE + 0x0020)
163   #define TXDPx_ENABLE		0x00008000
164   #define TXDPx_LEN_MASK	0x00001FFF
165   #define DEFAULT_TXDES0	0x00000000
166 #define TXDES1		(CMD_BASE + 0x0024)
167   #define TXDPx_ENABLE		0x00008000
168   #define TXDPx_LEN_MASK	0x00001FFF
169   #define DEFAULT_TXDES1	0x00000000
170 #define TXDES2		(CMD_BASE + 0x0028)
171   #define TXDPx_ENABLE		0x00008000
172   #define TXDPx_LEN_MASK	0x00001FFF
173   #define DEFAULT_TXDES2	0x00000000
174 #define TXDES3		(CMD_BASE + 0x002C)
175   #define TXDPx_ENABLE		0x00008000
176   #define TXDPx_LEN_MASK	0x00001FFF
177   #define DEFAULT_TXDES3	0x00000000
178 #define RXCFG		(CMD_BASE + 0x0030)
179   #define RXBUFF_PROTECT	0x00000001
180   #define RXTCPCRC_CHECK	0x00000010
181   #define RXFLOW_ENABLE	0x00000100
182   #define DEFAULT_RXCFG	RXBUFF_PROTECT
183 #define RXCURT		(CMD_BASE + 0x0034)
184   #define DEFAULT_RXCURT	0x00000000
185 #define RXBOUND	(CMD_BASE + 0x0038)
186   #define DEFAULT_RXBOUND	0x7FF		/* RX pages 0~7FFh */
187 #define MACCFG0	(CMD_BASE + 0x0040)
188   #define MACCFG0_BIT3_0	0x00000007
189   #define IPGT_VAL		0x00000150
190   #define TXFLOW_ENABLE	0x00001000
191   #define SPEED100		0x00008000
192   #define DEFAULT_MACCFG0	(IPGT_VAL | MACCFG0_BIT3_0)
193 #define MACCFG1	(CMD_BASE + 0x0044)
194   #define RGMII_EN		0x00000002
195   #define RXFLOW_EN		0x00000020
196   #define FULLDUPLEX		0x00000040
197   #define MAX_JUMBO_LEN	0x00000780
198   #define RXJUMBO_EN		0x00000800
199   #define GIGA_MODE_EN	0x00001000
200   #define RXCRC_CHECK		0x00002000
201   #define RXPAUSE_DA_CHECK	0x00004000
202 
203   #define JUMBO_LEN_4K		0x00000200
204   #define JUMBO_LEN_15K	0x00000780
205   #define DEFAULT_MACCFG1	(RXCRC_CHECK | RXPAUSE_DA_CHECK | \
206 				 RGMII_EN)
207   #define CICADA_DEFAULT_MACCFG1	(RXCRC_CHECK | RXPAUSE_DA_CHECK)
208 #define MACCFG2		(CMD_BASE + 0x0048)
209   #define MACCFG2_BIT15_8	0x00000100
210   #define JAM_LIMIT_MASK	0x000000FC
211   #define DEFAULT_JAM_LIMIT	0x00000064
212   #define DEFAULT_MACCFG2	MACCFG2_BIT15_8
213 #define MACCFG3		(CMD_BASE + 0x004C)
214   #define IPGR2_VAL		0x0000000E
215   #define IPGR1_VAL		0x00000600
216   #define NOABORT		0x00008000
217   #define DEFAULT_MACCFG3	(IPGR1_VAL | IPGR2_VAL)
218 #define TXPAUT		(CMD_BASE + 0x0054)
219   #define DEFAULT_TXPAUT	0x001FE000
220 #define RXBTHD0		(CMD_BASE + 0x0058)
221   #define DEFAULT_RXBTHD0	0x00000300
222 #define RXBTHD1		(CMD_BASE + 0x005C)
223   #define DEFAULT_RXBTHD1	0x00000600
224 #define RXFULTHD	(CMD_BASE + 0x0060)
225   #define DEFAULT_RXFULTHD	0x00000100
226 #define MISC		(CMD_BASE + 0x0068)
227   /* Normal operation mode */
228   #define MISC_NORMAL		0x00000003
229   /* Clear bit 0 to reset MAC */
230   #define MISC_RESET_MAC	0x00000002
231   /* Clear bit 1 to reset PHY */
232   #define MISC_RESET_PHY	0x00000001
233   /* Clear bit 0 and 1 to reset MAC and PHY */
234   #define MISC_RESET_MAC_PHY	0x00000000
235   #define DEFAULT_MISC		MISC_NORMAL
236 #define MACID0		(CMD_BASE + 0x0070)
237 #define MACID1		(CMD_BASE + 0x0074)
238 #define MACID2		(CMD_BASE + 0x0078)
239 #define TXLEN		(CMD_BASE + 0x007C)
240   #define DEFAULT_TXLEN	0x000005FC
241 #define RXFILTER	(CMD_BASE + 0x0080)
242   #define RX_RXANY		0x00000001
243   #define RX_MULTICAST		0x00000002
244   #define RX_UNICAST		0x00000004
245   #define RX_BROADCAST	0x00000008
246   #define RX_MULTI_HASH	0x00000010
247   #define DISABLE_RXFILTER	0x00000000
248   #define DEFAULT_RXFILTER	(RX_BROADCAST + RX_UNICAST)
249 #define MDIOCTRL	(CMD_BASE + 0x0084)
250   #define PHY_ADDR_MASK	0x0000001F
251   #define REG_ADDR_MASK	0x00001F00
252   #define READ_PHY		0x00004000
253   #define WRITE_PHY		0x00008000
254 #define MDIODP		(CMD_BASE + 0x0088)
255 #define GPIOCTRL	(CMD_BASE + 0x008C)
256 #define RXINDICATOR	(CMD_BASE + 0x0090)
257   #define RX_START_READ	0x00000001
258   #define RX_STOP_READ		0x00000000
259   #define DEFAULT_RXINDICATOR	RX_STOP_READ
260 #define TXST		(CMD_BASE + 0x0094)
261 #define MDCCLKPAT	(CMD_BASE + 0x00A0)
262 #define RXIPCRCCNT	(CMD_BASE + 0x00A4)
263 #define RXCRCCNT	(CMD_BASE + 0x00A8)
264 #define TXFAILCNT	(CMD_BASE + 0x00AC)
265 #define PROMDP		(CMD_BASE + 0x00B0)
266 #define PROMCTRL	(CMD_BASE + 0x00B4)
267   #define RELOAD_EEPROM	0x00000200
268 #define MAXRXLEN	(CMD_BASE + 0x00B8)
269 #define HASHTAB0	(CMD_BASE + 0x00C0)
270 #define HASHTAB1	(CMD_BASE + 0x00C4)
271 #define HASHTAB2	(CMD_BASE + 0x00C8)
272 #define HASHTAB3	(CMD_BASE + 0x00CC)
273 #define DOGTHD0	(CMD_BASE + 0x00E0)
274   #define DEFAULT_DOGTHD0	0x0000FFFF
275 #define DOGTHD1	(CMD_BASE + 0x00E4)
276   #define START_WATCHDOG_TIMER	0x00008000
277   #define DEFAULT_DOGTHD1		0x00000FFF
278 #define SOFTRST		(CMD_BASE + 0x00EC)
279   #define SOFTRST_NORMAL	0x00000003
280   #define SOFTRST_RESET_MAC	0x00000002
281 
282 /* Marvell 88E1111 Gigabit PHY Register Definition */
283 #define M88_SSR		0x0011
284   #define SSR_SPEED_MASK	0xC000
285   #define SSR_SPEED_1000		0x8000
286   #define SSR_SPEED_100		0x4000
287   #define SSR_SPEED_10		0x0000
288   #define SSR_DUPLEX		0x2000
289   #define SSR_MEDIA_RESOLVED_OK	0x0800
290 
291   #define SSR_MEDIA_MASK	(SSR_SPEED_MASK | SSR_DUPLEX)
292   #define SSR_1000FULL		(SSR_SPEED_1000 | SSR_DUPLEX)
293   #define SSR_1000HALF		SSR_SPEED_1000
294   #define SSR_100FULL		(SSR_SPEED_100 | SSR_DUPLEX)
295   #define SSR_100HALF		SSR_SPEED_100
296   #define SSR_10FULL		(SSR_SPEED_10 | SSR_DUPLEX)
297   #define SSR_10HALF		SSR_SPEED_10
298 #define M88_IER		0x0012
299   #define LINK_CHANGE_INT	0x0400
300 #define M88_ISR		0x0013
301   #define LINK_CHANGE_STATUS	0x0400
302 #define M88E1111_EXT_SCR	0x0014
303   #define RGMII_RXCLK_DELAY	0x0080
304   #define RGMII_TXCLK_DELAY	0x0002
305   #define DEFAULT_EXT_SCR	(RGMII_TXCLK_DELAY | RGMII_RXCLK_DELAY)
306 #define M88E1111_EXT_SSR	0x001B
307   #define HWCFG_MODE_MASK	0x000F
308   #define RGMII_COPPER_MODE	0x000B
309 
310 /* Marvell 88E1118 Gigabit PHY Register Definition */
311 #define M88E1118_CR			0x14
312   #define M88E1118_CR_RGMII_RXCLK_DELAY	0x0020
313   #define M88E1118_CR_RGMII_TXCLK_DELAY	0x0010
314   #define M88E1118_CR_DEFAULT		(M88E1118_CR_RGMII_TXCLK_DELAY | \
315 					 M88E1118_CR_RGMII_RXCLK_DELAY)
316 #define M88E1118_LEDCTL		0x10		/* Reg 16 on page 3 */
317   #define M88E1118_LEDCTL_LED2INT			0x200
318   #define M88E1118_LEDCTL_LED2BLNK			0x400
319   #define M88E1118_LEDCTL_LED0DUALMODE1	0xc
320   #define M88E1118_LEDCTL_LED0DUALMODE2	0xd
321   #define M88E1118_LEDCTL_LED0DUALMODE3	0xe
322   #define M88E1118_LEDCTL_LED0DUALMODE4	0xf
323   #define M88E1118_LEDCTL_DEFAULT	(M88E1118_LEDCTL_LED2BLNK | \
324 					 M88E1118_LEDCTL_LED0DUALMODE4)
325 
326 #define M88E1118_LEDMIX		0x11		/* Reg 17 on page 3 */
327   #define M88E1118_LEDMIX_LED050				0x4
328   #define M88E1118_LEDMIX_LED150				0x8
329 
330 #define M88E1118_PAGE_SEL	0x16		/* Reg page select */
331 
332 /* CICADA CIS8201 Gigabit PHY Register Definition */
333 #define CIS_IMR		0x0019
334   #define CIS_INT_ENABLE	0x8000
335   #define CIS_LINK_CHANGE_INT	0x2000
336 #define CIS_ISR		0x001A
337   #define CIS_INT_PENDING	0x8000
338   #define CIS_LINK_CHANGE_STATUS	0x2000
339 #define CIS_AUX_CTRL_STATUS	0x001C
340   #define CIS_AUTONEG_COMPLETE	0x8000
341   #define CIS_SPEED_MASK	0x0018
342   #define CIS_SPEED_1000		0x0010
343   #define CIS_SPEED_100		0x0008
344   #define CIS_SPEED_10		0x0000
345   #define CIS_DUPLEX		0x0020
346 
347   #define CIS_MEDIA_MASK	(CIS_SPEED_MASK | CIS_DUPLEX)
348   #define CIS_1000FULL		(CIS_SPEED_1000 | CIS_DUPLEX)
349   #define CIS_1000HALF		CIS_SPEED_1000
350   #define CIS_100FULL		(CIS_SPEED_100 | CIS_DUPLEX)
351   #define CIS_100HALF		CIS_SPEED_100
352   #define CIS_10FULL		(CIS_SPEED_10 | CIS_DUPLEX)
353   #define CIS_10HALF		CIS_SPEED_10
354   #define CIS_SMI_PRIORITY	0x0004
355 
356 static inline unsigned short INW (struct eth_device *dev, unsigned long addr)
357 {
358 	return le16_to_cpu(readw(addr + (void *)dev->iobase));
359 }
360 
361 /*
362  Access RXBUFFER_START/TXBUFFER_START to read RX buffer/write TX buffer
363 */
364 #if defined (CONFIG_DRIVER_AX88180_16BIT)
365 static inline void OUTW (struct eth_device *dev, unsigned short command, unsigned long addr)
366 {
367 	writew(cpu_to_le16(command), addr + (void *)dev->iobase);
368 }
369 
370 static inline unsigned short READ_RXBUF (struct eth_device *dev)
371 {
372 	return le16_to_cpu(readw(RXBUFFER_START + (void *)dev->iobase));
373 }
374 
375 static inline void WRITE_TXBUF (struct eth_device *dev, unsigned short data)
376 {
377 	writew(cpu_to_le16(data), TXBUFFER_START + (void *)dev->iobase);
378 }
379 #else
380 static inline void OUTW (struct eth_device *dev, unsigned short command, unsigned long addr)
381 {
382 	writel(cpu_to_le32(command), addr + (void *)dev->iobase);
383 }
384 
385 static inline unsigned long READ_RXBUF (struct eth_device *dev)
386 {
387 	return le32_to_cpu(readl(RXBUFFER_START + (void *)dev->iobase));
388 }
389 
390 static inline void WRITE_TXBUF (struct eth_device *dev, unsigned long data)
391 {
392 	writel(cpu_to_le32(data), TXBUFFER_START + (void *)dev->iobase);
393 }
394 #endif
395 
396 #endif /* _AX88180_H_ */
397