smc911x.h 17 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511
  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. #ifndef _SMC911X_H_
  25. #define _SMC911X_H_
  26. #include <linux/types.h>
  27. #define DRIVERNAME "smc911x"
  28. #if defined (CONFIG_SMC911X_32_BIT) && \
  29. defined (CONFIG_SMC911X_16_BIT)
  30. #error "SMC911X: Only one of CONFIG_SMC911X_32_BIT and \
  31. CONFIG_SMC911X_16_BIT shall be set"
  32. #endif
  33. #if defined (CONFIG_SMC911X_32_BIT)
  34. static inline u32 __smc911x_reg_read(struct eth_device *dev, u32 offset)
  35. {
  36. return *(volatile u32*)(dev->iobase + offset);
  37. }
  38. u32 smc911x_reg_read(struct eth_device *dev, u32 offset)
  39. __attribute__((weak, alias("__smc911x_reg_read")));
  40. static inline void __smc911x_reg_write(struct eth_device *dev,
  41. u32 offset, u32 val)
  42. {
  43. *(volatile u32*)(dev->iobase + offset) = val;
  44. }
  45. void smc911x_reg_write(struct eth_device *dev, u32 offset, u32 val)
  46. __attribute__((weak, alias("__smc911x_reg_write")));
  47. #elif defined (CONFIG_SMC911X_16_BIT)
  48. static inline u32 smc911x_reg_read(struct eth_device *dev, u32 offset)
  49. {
  50. volatile u16 *addr_16 = (u16 *)(dev->iobase + offset);
  51. return ((*addr_16 & 0x0000ffff) | (*(addr_16 + 1) << 16));
  52. }
  53. static inline void smc911x_reg_write(struct eth_device *dev,
  54. u32 offset, u32 val)
  55. {
  56. *(volatile u16 *)(dev->iobase + offset) = (u16)val;
  57. *(volatile u16 *)(dev->iobase + offset + 2) = (u16)(val >> 16);
  58. }
  59. #else
  60. #error "SMC911X: undefined bus width"
  61. #endif /* CONFIG_SMC911X_16_BIT */
  62. /* Below are the register offsets and bit definitions
  63. * of the Lan911x memory space
  64. */
  65. #define RX_DATA_FIFO 0x00
  66. #define TX_DATA_FIFO 0x20
  67. #define TX_CMD_A_INT_ON_COMP 0x80000000
  68. #define TX_CMD_A_INT_BUF_END_ALGN 0x03000000
  69. #define TX_CMD_A_INT_4_BYTE_ALGN 0x00000000
  70. #define TX_CMD_A_INT_16_BYTE_ALGN 0x01000000
  71. #define TX_CMD_A_INT_32_BYTE_ALGN 0x02000000
  72. #define TX_CMD_A_INT_DATA_OFFSET 0x001F0000
  73. #define TX_CMD_A_INT_FIRST_SEG 0x00002000
  74. #define TX_CMD_A_INT_LAST_SEG 0x00001000
  75. #define TX_CMD_A_BUF_SIZE 0x000007FF
  76. #define TX_CMD_B_PKT_TAG 0xFFFF0000
  77. #define TX_CMD_B_ADD_CRC_DISABLE 0x00002000
  78. #define TX_CMD_B_DISABLE_PADDING 0x00001000
  79. #define TX_CMD_B_PKT_BYTE_LENGTH 0x000007FF
  80. #define RX_STATUS_FIFO 0x40
  81. #define RX_STS_PKT_LEN 0x3FFF0000
  82. #define RX_STS_ES 0x00008000
  83. #define RX_STS_BCST 0x00002000
  84. #define RX_STS_LEN_ERR 0x00001000
  85. #define RX_STS_RUNT_ERR 0x00000800
  86. #define RX_STS_MCAST 0x00000400
  87. #define RX_STS_TOO_LONG 0x00000080
  88. #define RX_STS_COLL 0x00000040
  89. #define RX_STS_ETH_TYPE 0x00000020
  90. #define RX_STS_WDOG_TMT 0x00000010
  91. #define RX_STS_MII_ERR 0x00000008
  92. #define RX_STS_DRIBBLING 0x00000004
  93. #define RX_STS_CRC_ERR 0x00000002
  94. #define RX_STATUS_FIFO_PEEK 0x44
  95. #define TX_STATUS_FIFO 0x48
  96. #define TX_STS_TAG 0xFFFF0000
  97. #define TX_STS_ES 0x00008000
  98. #define TX_STS_LOC 0x00000800
  99. #define TX_STS_NO_CARR 0x00000400
  100. #define TX_STS_LATE_COLL 0x00000200
  101. #define TX_STS_MANY_COLL 0x00000100
  102. #define TX_STS_COLL_CNT 0x00000078
  103. #define TX_STS_MANY_DEFER 0x00000004
  104. #define TX_STS_UNDERRUN 0x00000002
  105. #define TX_STS_DEFERRED 0x00000001
  106. #define TX_STATUS_FIFO_PEEK 0x4C
  107. #define ID_REV 0x50
  108. #define ID_REV_CHIP_ID 0xFFFF0000 /* RO */
  109. #define ID_REV_REV_ID 0x0000FFFF /* RO */
  110. #define INT_CFG 0x54
  111. #define INT_CFG_INT_DEAS 0xFF000000 /* R/W */
  112. #define INT_CFG_INT_DEAS_CLR 0x00004000
  113. #define INT_CFG_INT_DEAS_STS 0x00002000
  114. #define INT_CFG_IRQ_INT 0x00001000 /* RO */
  115. #define INT_CFG_IRQ_EN 0x00000100 /* R/W */
  116. /* R/W Not Affected by SW Reset */
  117. #define INT_CFG_IRQ_POL 0x00000010
  118. /* R/W Not Affected by SW Reset */
  119. #define INT_CFG_IRQ_TYPE 0x00000001
  120. #define INT_STS 0x58
  121. #define INT_STS_SW_INT 0x80000000 /* R/WC */
  122. #define INT_STS_TXSTOP_INT 0x02000000 /* R/WC */
  123. #define INT_STS_RXSTOP_INT 0x01000000 /* R/WC */
  124. #define INT_STS_RXDFH_INT 0x00800000 /* R/WC */
  125. #define INT_STS_RXDF_INT 0x00400000 /* R/WC */
  126. #define INT_STS_TX_IOC 0x00200000 /* R/WC */
  127. #define INT_STS_RXD_INT 0x00100000 /* R/WC */
  128. #define INT_STS_GPT_INT 0x00080000 /* R/WC */
  129. #define INT_STS_PHY_INT 0x00040000 /* RO */
  130. #define INT_STS_PME_INT 0x00020000 /* R/WC */
  131. #define INT_STS_TXSO 0x00010000 /* R/WC */
  132. #define INT_STS_RWT 0x00008000 /* R/WC */
  133. #define INT_STS_RXE 0x00004000 /* R/WC */
  134. #define INT_STS_TXE 0x00002000 /* R/WC */
  135. /*#define INT_STS_ERX 0x00001000*/ /* R/WC */
  136. #define INT_STS_TDFU 0x00000800 /* R/WC */
  137. #define INT_STS_TDFO 0x00000400 /* R/WC */
  138. #define INT_STS_TDFA 0x00000200 /* R/WC */
  139. #define INT_STS_TSFF 0x00000100 /* R/WC */
  140. #define INT_STS_TSFL 0x00000080 /* R/WC */
  141. /*#define INT_STS_RXDF 0x00000040*/ /* R/WC */
  142. #define INT_STS_RDFO 0x00000040 /* R/WC */
  143. #define INT_STS_RDFL 0x00000020 /* R/WC */
  144. #define INT_STS_RSFF 0x00000010 /* R/WC */
  145. #define INT_STS_RSFL 0x00000008 /* R/WC */
  146. #define INT_STS_GPIO2_INT 0x00000004 /* R/WC */
  147. #define INT_STS_GPIO1_INT 0x00000002 /* R/WC */
  148. #define INT_STS_GPIO0_INT 0x00000001 /* R/WC */
  149. #define INT_EN 0x5C
  150. #define INT_EN_SW_INT_EN 0x80000000 /* R/W */
  151. #define INT_EN_TXSTOP_INT_EN 0x02000000 /* R/W */
  152. #define INT_EN_RXSTOP_INT_EN 0x01000000 /* R/W */
  153. #define INT_EN_RXDFH_INT_EN 0x00800000 /* R/W */
  154. /*#define INT_EN_RXDF_INT_EN 0x00400000*/ /* R/W */
  155. #define INT_EN_TIOC_INT_EN 0x00200000 /* R/W */
  156. #define INT_EN_RXD_INT_EN 0x00100000 /* R/W */
  157. #define INT_EN_GPT_INT_EN 0x00080000 /* R/W */
  158. #define INT_EN_PHY_INT_EN 0x00040000 /* R/W */
  159. #define INT_EN_PME_INT_EN 0x00020000 /* R/W */
  160. #define INT_EN_TXSO_EN 0x00010000 /* R/W */
  161. #define INT_EN_RWT_EN 0x00008000 /* R/W */
  162. #define INT_EN_RXE_EN 0x00004000 /* R/W */
  163. #define INT_EN_TXE_EN 0x00002000 /* R/W */
  164. /*#define INT_EN_ERX_EN 0x00001000*/ /* R/W */
  165. #define INT_EN_TDFU_EN 0x00000800 /* R/W */
  166. #define INT_EN_TDFO_EN 0x00000400 /* R/W */
  167. #define INT_EN_TDFA_EN 0x00000200 /* R/W */
  168. #define INT_EN_TSFF_EN 0x00000100 /* R/W */
  169. #define INT_EN_TSFL_EN 0x00000080 /* R/W */
  170. /*#define INT_EN_RXDF_EN 0x00000040*/ /* R/W */
  171. #define INT_EN_RDFO_EN 0x00000040 /* R/W */
  172. #define INT_EN_RDFL_EN 0x00000020 /* R/W */
  173. #define INT_EN_RSFF_EN 0x00000010 /* R/W */
  174. #define INT_EN_RSFL_EN 0x00000008 /* R/W */
  175. #define INT_EN_GPIO2_INT 0x00000004 /* R/W */
  176. #define INT_EN_GPIO1_INT 0x00000002 /* R/W */
  177. #define INT_EN_GPIO0_INT 0x00000001 /* R/W */
  178. #define BYTE_TEST 0x64
  179. #define FIFO_INT 0x68
  180. #define FIFO_INT_TX_AVAIL_LEVEL 0xFF000000 /* R/W */
  181. #define FIFO_INT_TX_STS_LEVEL 0x00FF0000 /* R/W */
  182. #define FIFO_INT_RX_AVAIL_LEVEL 0x0000FF00 /* R/W */
  183. #define FIFO_INT_RX_STS_LEVEL 0x000000FF /* R/W */
  184. #define RX_CFG 0x6C
  185. #define RX_CFG_RX_END_ALGN 0xC0000000 /* R/W */
  186. #define RX_CFG_RX_END_ALGN4 0x00000000 /* R/W */
  187. #define RX_CFG_RX_END_ALGN16 0x40000000 /* R/W */
  188. #define RX_CFG_RX_END_ALGN32 0x80000000 /* R/W */
  189. #define RX_CFG_RX_DMA_CNT 0x0FFF0000 /* R/W */
  190. #define RX_CFG_RX_DUMP 0x00008000 /* R/W */
  191. #define RX_CFG_RXDOFF 0x00001F00 /* R/W */
  192. /*#define RX_CFG_RXBAD 0x00000001*/ /* R/W */
  193. #define TX_CFG 0x70
  194. /*#define TX_CFG_TX_DMA_LVL 0xE0000000*/ /* R/W */
  195. /* R/W Self Clearing */
  196. /*#define TX_CFG_TX_DMA_CNT 0x0FFF0000*/
  197. #define TX_CFG_TXS_DUMP 0x00008000 /* Self Clearing */
  198. #define TX_CFG_TXD_DUMP 0x00004000 /* Self Clearing */
  199. #define TX_CFG_TXSAO 0x00000004 /* R/W */
  200. #define TX_CFG_TX_ON 0x00000002 /* R/W */
  201. #define TX_CFG_STOP_TX 0x00000001 /* Self Clearing */
  202. #define HW_CFG 0x74
  203. #define HW_CFG_TTM 0x00200000 /* R/W */
  204. #define HW_CFG_SF 0x00100000 /* R/W */
  205. #define HW_CFG_TX_FIF_SZ 0x000F0000 /* R/W */
  206. #define HW_CFG_TR 0x00003000 /* R/W */
  207. #define HW_CFG_PHY_CLK_SEL 0x00000060 /* R/W */
  208. #define HW_CFG_PHY_CLK_SEL_INT_PHY 0x00000000 /* R/W */
  209. #define HW_CFG_PHY_CLK_SEL_EXT_PHY 0x00000020 /* R/W */
  210. #define HW_CFG_PHY_CLK_SEL_CLK_DIS 0x00000040 /* R/W */
  211. #define HW_CFG_SMI_SEL 0x00000010 /* R/W */
  212. #define HW_CFG_EXT_PHY_DET 0x00000008 /* RO */
  213. #define HW_CFG_EXT_PHY_EN 0x00000004 /* R/W */
  214. #define HW_CFG_32_16_BIT_MODE 0x00000004 /* RO */
  215. #define HW_CFG_SRST_TO 0x00000002 /* RO */
  216. #define HW_CFG_SRST 0x00000001 /* Self Clearing */
  217. #define RX_DP_CTRL 0x78
  218. #define RX_DP_CTRL_RX_FFWD 0x80000000 /* R/W */
  219. #define RX_DP_CTRL_FFWD_BUSY 0x80000000 /* RO */
  220. #define RX_FIFO_INF 0x7C
  221. #define RX_FIFO_INF_RXSUSED 0x00FF0000 /* RO */
  222. #define RX_FIFO_INF_RXDUSED 0x0000FFFF /* RO */
  223. #define TX_FIFO_INF 0x80
  224. #define TX_FIFO_INF_TSUSED 0x00FF0000 /* RO */
  225. #define TX_FIFO_INF_TDFREE 0x0000FFFF /* RO */
  226. #define PMT_CTRL 0x84
  227. #define PMT_CTRL_PM_MODE 0x00003000 /* Self Clearing */
  228. #define PMT_CTRL_PHY_RST 0x00000400 /* Self Clearing */
  229. #define PMT_CTRL_WOL_EN 0x00000200 /* R/W */
  230. #define PMT_CTRL_ED_EN 0x00000100 /* R/W */
  231. /* R/W Not Affected by SW Reset */
  232. #define PMT_CTRL_PME_TYPE 0x00000040
  233. #define PMT_CTRL_WUPS 0x00000030 /* R/WC */
  234. #define PMT_CTRL_WUPS_NOWAKE 0x00000000 /* R/WC */
  235. #define PMT_CTRL_WUPS_ED 0x00000010 /* R/WC */
  236. #define PMT_CTRL_WUPS_WOL 0x00000020 /* R/WC */
  237. #define PMT_CTRL_WUPS_MULTI 0x00000030 /* R/WC */
  238. #define PMT_CTRL_PME_IND 0x00000008 /* R/W */
  239. #define PMT_CTRL_PME_POL 0x00000004 /* R/W */
  240. /* R/W Not Affected by SW Reset */
  241. #define PMT_CTRL_PME_EN 0x00000002
  242. #define PMT_CTRL_READY 0x00000001 /* RO */
  243. #define GPIO_CFG 0x88
  244. #define GPIO_CFG_LED3_EN 0x40000000 /* R/W */
  245. #define GPIO_CFG_LED2_EN 0x20000000 /* R/W */
  246. #define GPIO_CFG_LED1_EN 0x10000000 /* R/W */
  247. #define GPIO_CFG_GPIO2_INT_POL 0x04000000 /* R/W */
  248. #define GPIO_CFG_GPIO1_INT_POL 0x02000000 /* R/W */
  249. #define GPIO_CFG_GPIO0_INT_POL 0x01000000 /* R/W */
  250. #define GPIO_CFG_EEPR_EN 0x00700000 /* R/W */
  251. #define GPIO_CFG_GPIOBUF2 0x00040000 /* R/W */
  252. #define GPIO_CFG_GPIOBUF1 0x00020000 /* R/W */
  253. #define GPIO_CFG_GPIOBUF0 0x00010000 /* R/W */
  254. #define GPIO_CFG_GPIODIR2 0x00000400 /* R/W */
  255. #define GPIO_CFG_GPIODIR1 0x00000200 /* R/W */
  256. #define GPIO_CFG_GPIODIR0 0x00000100 /* R/W */
  257. #define GPIO_CFG_GPIOD4 0x00000010 /* R/W */
  258. #define GPIO_CFG_GPIOD3 0x00000008 /* R/W */
  259. #define GPIO_CFG_GPIOD2 0x00000004 /* R/W */
  260. #define GPIO_CFG_GPIOD1 0x00000002 /* R/W */
  261. #define GPIO_CFG_GPIOD0 0x00000001 /* R/W */
  262. #define GPT_CFG 0x8C
  263. #define GPT_CFG_TIMER_EN 0x20000000 /* R/W */
  264. #define GPT_CFG_GPT_LOAD 0x0000FFFF /* R/W */
  265. #define GPT_CNT 0x90
  266. #define GPT_CNT_GPT_CNT 0x0000FFFF /* RO */
  267. #define ENDIAN 0x98
  268. #define FREE_RUN 0x9C
  269. #define RX_DROP 0xA0
  270. #define MAC_CSR_CMD 0xA4
  271. #define MAC_CSR_CMD_CSR_BUSY 0x80000000 /* Self Clearing */
  272. #define MAC_CSR_CMD_R_NOT_W 0x40000000 /* R/W */
  273. #define MAC_CSR_CMD_CSR_ADDR 0x000000FF /* R/W */
  274. #define MAC_CSR_DATA 0xA8
  275. #define AFC_CFG 0xAC
  276. #define AFC_CFG_AFC_HI 0x00FF0000 /* R/W */
  277. #define AFC_CFG_AFC_LO 0x0000FF00 /* R/W */
  278. #define AFC_CFG_BACK_DUR 0x000000F0 /* R/W */
  279. #define AFC_CFG_FCMULT 0x00000008 /* R/W */
  280. #define AFC_CFG_FCBRD 0x00000004 /* R/W */
  281. #define AFC_CFG_FCADD 0x00000002 /* R/W */
  282. #define AFC_CFG_FCANY 0x00000001 /* R/W */
  283. #define E2P_CMD 0xB0
  284. #define E2P_CMD_EPC_BUSY 0x80000000 /* Self Clearing */
  285. #define E2P_CMD_EPC_CMD 0x70000000 /* R/W */
  286. #define E2P_CMD_EPC_CMD_READ 0x00000000 /* R/W */
  287. #define E2P_CMD_EPC_CMD_EWDS 0x10000000 /* R/W */
  288. #define E2P_CMD_EPC_CMD_EWEN 0x20000000 /* R/W */
  289. #define E2P_CMD_EPC_CMD_WRITE 0x30000000 /* R/W */
  290. #define E2P_CMD_EPC_CMD_WRAL 0x40000000 /* R/W */
  291. #define E2P_CMD_EPC_CMD_ERASE 0x50000000 /* R/W */
  292. #define E2P_CMD_EPC_CMD_ERAL 0x60000000 /* R/W */
  293. #define E2P_CMD_EPC_CMD_RELOAD 0x70000000 /* R/W */
  294. #define E2P_CMD_EPC_TIMEOUT 0x00000200 /* RO */
  295. #define E2P_CMD_MAC_ADDR_LOADED 0x00000100 /* RO */
  296. #define E2P_CMD_EPC_ADDR 0x000000FF /* R/W */
  297. #define E2P_DATA 0xB4
  298. #define E2P_DATA_EEPROM_DATA 0x000000FF /* R/W */
  299. /* end of LAN register offsets and bit definitions */
  300. /* MAC Control and Status registers */
  301. #define MAC_CR 0x01 /* R/W */
  302. /* MAC_CR - MAC Control Register */
  303. #define MAC_CR_RXALL 0x80000000
  304. /* TODO: delete this bit? It is not described in the data sheet. */
  305. #define MAC_CR_HBDIS 0x10000000
  306. #define MAC_CR_RCVOWN 0x00800000
  307. #define MAC_CR_LOOPBK 0x00200000
  308. #define MAC_CR_FDPX 0x00100000
  309. #define MAC_CR_MCPAS 0x00080000
  310. #define MAC_CR_PRMS 0x00040000
  311. #define MAC_CR_INVFILT 0x00020000
  312. #define MAC_CR_PASSBAD 0x00010000
  313. #define MAC_CR_HFILT 0x00008000
  314. #define MAC_CR_HPFILT 0x00002000
  315. #define MAC_CR_LCOLL 0x00001000
  316. #define MAC_CR_BCAST 0x00000800
  317. #define MAC_CR_DISRTY 0x00000400
  318. #define MAC_CR_PADSTR 0x00000100
  319. #define MAC_CR_BOLMT_MASK 0x000000C0
  320. #define MAC_CR_DFCHK 0x00000020
  321. #define MAC_CR_TXEN 0x00000008
  322. #define MAC_CR_RXEN 0x00000004
  323. #define ADDRH 0x02 /* R/W mask 0x0000FFFFUL */
  324. #define ADDRL 0x03 /* R/W mask 0xFFFFFFFFUL */
  325. #define HASHH 0x04 /* R/W */
  326. #define HASHL 0x05 /* R/W */
  327. #define MII_ACC 0x06 /* R/W */
  328. #define MII_ACC_PHY_ADDR 0x0000F800
  329. #define MII_ACC_MIIRINDA 0x000007C0
  330. #define MII_ACC_MII_WRITE 0x00000002
  331. #define MII_ACC_MII_BUSY 0x00000001
  332. #define MII_DATA 0x07 /* R/W mask 0x0000FFFFUL */
  333. #define FLOW 0x08 /* R/W */
  334. #define FLOW_FCPT 0xFFFF0000
  335. #define FLOW_FCPASS 0x00000004
  336. #define FLOW_FCEN 0x00000002
  337. #define FLOW_FCBSY 0x00000001
  338. #define VLAN1 0x09 /* R/W mask 0x0000FFFFUL */
  339. #define VLAN1_VTI1 0x0000ffff
  340. #define VLAN2 0x0A /* R/W mask 0x0000FFFFUL */
  341. #define VLAN2_VTI2 0x0000ffff
  342. #define WUFF 0x0B /* WO */
  343. #define WUCSR 0x0C /* R/W */
  344. #define WUCSR_GUE 0x00000200
  345. #define WUCSR_WUFR 0x00000040
  346. #define WUCSR_MPR 0x00000020
  347. #define WUCSR_WAKE_EN 0x00000004
  348. #define WUCSR_MPEN 0x00000002
  349. /* Chip ID values */
  350. #define CHIP_9115 0x115
  351. #define CHIP_9116 0x116
  352. #define CHIP_9117 0x117
  353. #define CHIP_9118 0x118
  354. #define CHIP_9211 0x9211
  355. #define CHIP_9215 0x115a
  356. #define CHIP_9216 0x116a
  357. #define CHIP_9217 0x117a
  358. #define CHIP_9218 0x118a
  359. #define CHIP_9220 0x9220
  360. #define CHIP_9221 0x9221
  361. struct chip_id {
  362. u16 id;
  363. char *name;
  364. };
  365. static const struct chip_id chip_ids[] = {
  366. { CHIP_9115, "LAN9115" },
  367. { CHIP_9116, "LAN9116" },
  368. { CHIP_9117, "LAN9117" },
  369. { CHIP_9118, "LAN9118" },
  370. { CHIP_9211, "LAN9211" },
  371. { CHIP_9215, "LAN9215" },
  372. { CHIP_9216, "LAN9216" },
  373. { CHIP_9217, "LAN9217" },
  374. { CHIP_9218, "LAN9218" },
  375. { CHIP_9220, "LAN9220" },
  376. { CHIP_9221, "LAN9221" },
  377. { 0, NULL },
  378. };
  379. static u32 smc911x_get_mac_csr(struct eth_device *dev, u8 reg)
  380. {
  381. while (smc911x_reg_read(dev, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
  382. ;
  383. smc911x_reg_write(dev, MAC_CSR_CMD,
  384. MAC_CSR_CMD_CSR_BUSY | MAC_CSR_CMD_R_NOT_W | reg);
  385. while (smc911x_reg_read(dev, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
  386. ;
  387. return smc911x_reg_read(dev, MAC_CSR_DATA);
  388. }
  389. static void smc911x_set_mac_csr(struct eth_device *dev, u8 reg, u32 data)
  390. {
  391. while (smc911x_reg_read(dev, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
  392. ;
  393. smc911x_reg_write(dev, MAC_CSR_DATA, data);
  394. smc911x_reg_write(dev, MAC_CSR_CMD, MAC_CSR_CMD_CSR_BUSY | reg);
  395. while (smc911x_reg_read(dev, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
  396. ;
  397. }
  398. static int smc911x_detect_chip(struct eth_device *dev)
  399. {
  400. unsigned long val, i;
  401. val = smc911x_reg_read(dev, BYTE_TEST);
  402. if (val == 0xffffffff) {
  403. /* Special case -- no chip present */
  404. return -1;
  405. } else if (val != 0x87654321) {
  406. printf(DRIVERNAME ": Invalid chip endian 0x%08lx\n", val);
  407. return -1;
  408. }
  409. val = smc911x_reg_read(dev, ID_REV) >> 16;
  410. for (i = 0; chip_ids[i].id != 0; i++) {
  411. if (chip_ids[i].id == val) break;
  412. }
  413. if (!chip_ids[i].id) {
  414. printf(DRIVERNAME ": Unknown chip ID %04lx\n", val);
  415. return -1;
  416. }
  417. dev->priv = (void *)&chip_ids[i];
  418. return 0;
  419. }
  420. static void smc911x_reset(struct eth_device *dev)
  421. {
  422. int timeout;
  423. /* Take out of PM setting first */
  424. if (smc911x_reg_read(dev, PMT_CTRL) & PMT_CTRL_READY) {
  425. /* Write to the bytetest will take out of powerdown */
  426. smc911x_reg_write(dev, BYTE_TEST, 0x0);
  427. timeout = 10;
  428. while (timeout-- &&
  429. !(smc911x_reg_read(dev, PMT_CTRL) & PMT_CTRL_READY))
  430. udelay(10);
  431. if (!timeout) {
  432. printf(DRIVERNAME
  433. ": timeout waiting for PM restore\n");
  434. return;
  435. }
  436. }
  437. /* Disable interrupts */
  438. smc911x_reg_write(dev, INT_EN, 0);
  439. smc911x_reg_write(dev, HW_CFG, HW_CFG_SRST);
  440. timeout = 1000;
  441. while (timeout-- && smc911x_reg_read(dev, E2P_CMD) & E2P_CMD_EPC_BUSY)
  442. udelay(10);
  443. if (!timeout) {
  444. printf(DRIVERNAME ": reset timeout\n");
  445. return;
  446. }
  447. /* Reset the FIFO level and flow control settings */
  448. smc911x_set_mac_csr(dev, FLOW, FLOW_FCPT | FLOW_FCEN);
  449. smc911x_reg_write(dev, AFC_CFG, 0x0050287F);
  450. /* Set to LED outputs */
  451. smc911x_reg_write(dev, GPIO_CFG, 0x70070000);
  452. }
  453. #endif