smc91x.h 34 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163
  1. /*------------------------------------------------------------------------
  2. . smc91x.h - macros for SMSC's 91C9x/91C1xx single-chip Ethernet device.
  3. .
  4. . Copyright (C) 1996 by Erik Stahlman
  5. . Copyright (C) 2001 Standard Microsystems Corporation
  6. . Developed by Simple Network Magic Corporation
  7. . Copyright (C) 2003 Monta Vista Software, Inc.
  8. . Unified SMC91x driver by Nicolas Pitre
  9. .
  10. . This program is free software; you can redistribute it and/or modify
  11. . it under the terms of the GNU General Public License as published by
  12. . the Free Software Foundation; either version 2 of the License, or
  13. . (at your option) any later version.
  14. .
  15. . This program is distributed in the hope that it will be useful,
  16. . but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. . MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. . GNU General Public License for more details.
  19. .
  20. . You should have received a copy of the GNU General Public License
  21. . along with this program; if not, see <http://www.gnu.org/licenses/>.
  22. .
  23. . Information contained in this file was obtained from the LAN91C111
  24. . manual from SMC. To get a copy, if you really want one, you can find
  25. . information under www.smsc.com.
  26. .
  27. . Authors
  28. . Erik Stahlman <erik@vt.edu>
  29. . Daris A Nevil <dnevil@snmc.com>
  30. . Nicolas Pitre <nico@fluxnic.net>
  31. .
  32. ---------------------------------------------------------------------------*/
  33. #ifndef _SMC91X_H_
  34. #define _SMC91X_H_
  35. #include <linux/smc91x.h>
  36. /*
  37. * Define your architecture specific bus configuration parameters here.
  38. */
  39. #if defined(CONFIG_ARCH_LUBBOCK) ||\
  40. defined(CONFIG_MACH_MAINSTONE) ||\
  41. defined(CONFIG_MACH_ZYLONITE) ||\
  42. defined(CONFIG_MACH_LITTLETON) ||\
  43. defined(CONFIG_MACH_ZYLONITE2) ||\
  44. defined(CONFIG_ARCH_VIPER) ||\
  45. defined(CONFIG_MACH_STARGATE2) ||\
  46. defined(CONFIG_ARCH_VERSATILE)
  47. #include <asm/mach-types.h>
  48. /* Now the bus width is specified in the platform data
  49. * pretend here to support all I/O access types
  50. */
  51. #define SMC_CAN_USE_8BIT 1
  52. #define SMC_CAN_USE_16BIT 1
  53. #define SMC_CAN_USE_32BIT 1
  54. #define SMC_NOWAIT 1
  55. #define SMC_IO_SHIFT (lp->io_shift)
  56. #define SMC_inb(a, r) readb((a) + (r))
  57. #define SMC_inw(a, r) readw((a) + (r))
  58. #define SMC_inl(a, r) readl((a) + (r))
  59. #define SMC_outb(v, a, r) writeb(v, (a) + (r))
  60. #define SMC_outl(v, a, r) writel(v, (a) + (r))
  61. #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
  62. #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
  63. #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
  64. #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
  65. #define SMC_IRQ_FLAGS (-1) /* from resource */
  66. /* We actually can't write halfwords properly if not word aligned */
  67. static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg)
  68. {
  69. if ((machine_is_mainstone() || machine_is_stargate2()) && reg & 2) {
  70. unsigned int v = val << 16;
  71. v |= readl(ioaddr + (reg & ~2)) & 0xffff;
  72. writel(v, ioaddr + (reg & ~2));
  73. } else {
  74. writew(val, ioaddr + reg);
  75. }
  76. }
  77. #elif defined(CONFIG_SA1100_PLEB)
  78. /* We can only do 16-bit reads and writes in the static memory space. */
  79. #define SMC_CAN_USE_8BIT 1
  80. #define SMC_CAN_USE_16BIT 1
  81. #define SMC_CAN_USE_32BIT 0
  82. #define SMC_IO_SHIFT 0
  83. #define SMC_NOWAIT 1
  84. #define SMC_inb(a, r) readb((a) + (r))
  85. #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
  86. #define SMC_inw(a, r) readw((a) + (r))
  87. #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
  88. #define SMC_outb(v, a, r) writeb(v, (a) + (r))
  89. #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
  90. #define SMC_outw(v, a, r) writew(v, (a) + (r))
  91. #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
  92. #define SMC_IRQ_FLAGS (-1)
  93. #elif defined(CONFIG_SA1100_ASSABET)
  94. #include <mach/neponset.h>
  95. /* We can only do 8-bit reads and writes in the static memory space. */
  96. #define SMC_CAN_USE_8BIT 1
  97. #define SMC_CAN_USE_16BIT 0
  98. #define SMC_CAN_USE_32BIT 0
  99. #define SMC_NOWAIT 1
  100. /* The first two address lines aren't connected... */
  101. #define SMC_IO_SHIFT 2
  102. #define SMC_inb(a, r) readb((a) + (r))
  103. #define SMC_outb(v, a, r) writeb(v, (a) + (r))
  104. #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
  105. #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
  106. #define SMC_IRQ_FLAGS (-1) /* from resource */
  107. #elif defined(CONFIG_MACH_LOGICPD_PXA270) || \
  108. defined(CONFIG_MACH_NOMADIK_8815NHK)
  109. #define SMC_CAN_USE_8BIT 0
  110. #define SMC_CAN_USE_16BIT 1
  111. #define SMC_CAN_USE_32BIT 0
  112. #define SMC_IO_SHIFT 0
  113. #define SMC_NOWAIT 1
  114. #define SMC_inw(a, r) readw((a) + (r))
  115. #define SMC_outw(v, a, r) writew(v, (a) + (r))
  116. #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
  117. #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
  118. #elif defined(CONFIG_ARCH_INNOKOM) || \
  119. defined(CONFIG_ARCH_PXA_IDP) || \
  120. defined(CONFIG_ARCH_RAMSES) || \
  121. defined(CONFIG_ARCH_PCM027)
  122. #define SMC_CAN_USE_8BIT 1
  123. #define SMC_CAN_USE_16BIT 1
  124. #define SMC_CAN_USE_32BIT 1
  125. #define SMC_IO_SHIFT 0
  126. #define SMC_NOWAIT 1
  127. #define SMC_USE_PXA_DMA 1
  128. #define SMC_inb(a, r) readb((a) + (r))
  129. #define SMC_inw(a, r) readw((a) + (r))
  130. #define SMC_inl(a, r) readl((a) + (r))
  131. #define SMC_outb(v, a, r) writeb(v, (a) + (r))
  132. #define SMC_outl(v, a, r) writel(v, (a) + (r))
  133. #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
  134. #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
  135. #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
  136. #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
  137. #define SMC_IRQ_FLAGS (-1) /* from resource */
  138. /* We actually can't write halfwords properly if not word aligned */
  139. static inline void
  140. SMC_outw(u16 val, void __iomem *ioaddr, int reg)
  141. {
  142. if (reg & 2) {
  143. unsigned int v = val << 16;
  144. v |= readl(ioaddr + (reg & ~2)) & 0xffff;
  145. writel(v, ioaddr + (reg & ~2));
  146. } else {
  147. writew(val, ioaddr + reg);
  148. }
  149. }
  150. #elif defined(CONFIG_SH_SH4202_MICRODEV)
  151. #define SMC_CAN_USE_8BIT 0
  152. #define SMC_CAN_USE_16BIT 1
  153. #define SMC_CAN_USE_32BIT 0
  154. #define SMC_inb(a, r) inb((a) + (r) - 0xa0000000)
  155. #define SMC_inw(a, r) inw((a) + (r) - 0xa0000000)
  156. #define SMC_inl(a, r) inl((a) + (r) - 0xa0000000)
  157. #define SMC_outb(v, a, r) outb(v, (a) + (r) - 0xa0000000)
  158. #define SMC_outw(v, a, r) outw(v, (a) + (r) - 0xa0000000)
  159. #define SMC_outl(v, a, r) outl(v, (a) + (r) - 0xa0000000)
  160. #define SMC_insl(a, r, p, l) insl((a) + (r) - 0xa0000000, p, l)
  161. #define SMC_outsl(a, r, p, l) outsl((a) + (r) - 0xa0000000, p, l)
  162. #define SMC_insw(a, r, p, l) insw((a) + (r) - 0xa0000000, p, l)
  163. #define SMC_outsw(a, r, p, l) outsw((a) + (r) - 0xa0000000, p, l)
  164. #define SMC_IRQ_FLAGS (0)
  165. #elif defined(CONFIG_M32R)
  166. #define SMC_CAN_USE_8BIT 0
  167. #define SMC_CAN_USE_16BIT 1
  168. #define SMC_CAN_USE_32BIT 0
  169. #define SMC_inb(a, r) inb(((u32)a) + (r))
  170. #define SMC_inw(a, r) inw(((u32)a) + (r))
  171. #define SMC_outb(v, a, r) outb(v, ((u32)a) + (r))
  172. #define SMC_outw(v, a, r) outw(v, ((u32)a) + (r))
  173. #define SMC_insw(a, r, p, l) insw(((u32)a) + (r), p, l)
  174. #define SMC_outsw(a, r, p, l) outsw(((u32)a) + (r), p, l)
  175. #define SMC_IRQ_FLAGS (0)
  176. #define RPC_LSA_DEFAULT RPC_LED_TX_RX
  177. #define RPC_LSB_DEFAULT RPC_LED_100_10
  178. #elif defined(CONFIG_MN10300)
  179. /*
  180. * MN10300/AM33 configuration
  181. */
  182. #include <unit/smc91111.h>
  183. #elif defined(CONFIG_ARCH_MSM)
  184. #define SMC_CAN_USE_8BIT 0
  185. #define SMC_CAN_USE_16BIT 1
  186. #define SMC_CAN_USE_32BIT 0
  187. #define SMC_NOWAIT 1
  188. #define SMC_inw(a, r) readw((a) + (r))
  189. #define SMC_outw(v, a, r) writew(v, (a) + (r))
  190. #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
  191. #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
  192. #define SMC_IRQ_FLAGS IRQF_TRIGGER_HIGH
  193. #elif defined(CONFIG_COLDFIRE)
  194. #define SMC_CAN_USE_8BIT 0
  195. #define SMC_CAN_USE_16BIT 1
  196. #define SMC_CAN_USE_32BIT 0
  197. #define SMC_NOWAIT 1
  198. static inline void mcf_insw(void *a, unsigned char *p, int l)
  199. {
  200. u16 *wp = (u16 *) p;
  201. while (l-- > 0)
  202. *wp++ = readw(a);
  203. }
  204. static inline void mcf_outsw(void *a, unsigned char *p, int l)
  205. {
  206. u16 *wp = (u16 *) p;
  207. while (l-- > 0)
  208. writew(*wp++, a);
  209. }
  210. #define SMC_inw(a, r) _swapw(readw((a) + (r)))
  211. #define SMC_outw(v, a, r) writew(_swapw(v), (a) + (r))
  212. #define SMC_insw(a, r, p, l) mcf_insw(a + r, p, l)
  213. #define SMC_outsw(a, r, p, l) mcf_outsw(a + r, p, l)
  214. #define SMC_IRQ_FLAGS 0
  215. #else
  216. /*
  217. * Default configuration
  218. */
  219. #define SMC_CAN_USE_8BIT 1
  220. #define SMC_CAN_USE_16BIT 1
  221. #define SMC_CAN_USE_32BIT 1
  222. #define SMC_NOWAIT 1
  223. #define SMC_IO_SHIFT (lp->io_shift)
  224. #define SMC_inb(a, r) ioread8((a) + (r))
  225. #define SMC_inw(a, r) ioread16((a) + (r))
  226. #define SMC_inl(a, r) ioread32((a) + (r))
  227. #define SMC_outb(v, a, r) iowrite8(v, (a) + (r))
  228. #define SMC_outw(v, a, r) iowrite16(v, (a) + (r))
  229. #define SMC_outl(v, a, r) iowrite32(v, (a) + (r))
  230. #define SMC_insw(a, r, p, l) ioread16_rep((a) + (r), p, l)
  231. #define SMC_outsw(a, r, p, l) iowrite16_rep((a) + (r), p, l)
  232. #define SMC_insl(a, r, p, l) ioread32_rep((a) + (r), p, l)
  233. #define SMC_outsl(a, r, p, l) iowrite32_rep((a) + (r), p, l)
  234. #define RPC_LSA_DEFAULT RPC_LED_100_10
  235. #define RPC_LSB_DEFAULT RPC_LED_TX_RX
  236. #endif
  237. /* store this information for the driver.. */
  238. struct smc_local {
  239. /*
  240. * If I have to wait until memory is available to send a
  241. * packet, I will store the skbuff here, until I get the
  242. * desired memory. Then, I'll send it out and free it.
  243. */
  244. struct sk_buff *pending_tx_skb;
  245. struct tasklet_struct tx_task;
  246. /* version/revision of the SMC91x chip */
  247. int version;
  248. /* Contains the current active transmission mode */
  249. int tcr_cur_mode;
  250. /* Contains the current active receive mode */
  251. int rcr_cur_mode;
  252. /* Contains the current active receive/phy mode */
  253. int rpc_cur_mode;
  254. int ctl_rfduplx;
  255. int ctl_rspeed;
  256. u32 msg_enable;
  257. u32 phy_type;
  258. struct mii_if_info mii;
  259. /* work queue */
  260. struct work_struct phy_configure;
  261. struct net_device *dev;
  262. int work_pending;
  263. spinlock_t lock;
  264. #ifdef CONFIG_ARCH_PXA
  265. /* DMA needs the physical address of the chip */
  266. u_long physaddr;
  267. struct device *device;
  268. #endif
  269. void __iomem *base;
  270. void __iomem *datacs;
  271. /* the low address lines on some platforms aren't connected... */
  272. int io_shift;
  273. struct smc91x_platdata cfg;
  274. };
  275. #define SMC_8BIT(p) ((p)->cfg.flags & SMC91X_USE_8BIT)
  276. #define SMC_16BIT(p) ((p)->cfg.flags & SMC91X_USE_16BIT)
  277. #define SMC_32BIT(p) ((p)->cfg.flags & SMC91X_USE_32BIT)
  278. #ifdef CONFIG_ARCH_PXA
  279. /*
  280. * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
  281. * always happening in irq context so no need to worry about races. TX is
  282. * different and probably not worth it for that reason, and not as critical
  283. * as RX which can overrun memory and lose packets.
  284. */
  285. #include <linux/dma-mapping.h>
  286. #include <mach/dma.h>
  287. #ifdef SMC_insl
  288. #undef SMC_insl
  289. #define SMC_insl(a, r, p, l) \
  290. smc_pxa_dma_insl(a, lp, r, dev->dma, p, l)
  291. static inline void
  292. smc_pxa_dma_insl(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
  293. u_char *buf, int len)
  294. {
  295. u_long physaddr = lp->physaddr;
  296. dma_addr_t dmabuf;
  297. /* fallback if no DMA available */
  298. if (dma == (unsigned char)-1) {
  299. readsl(ioaddr + reg, buf, len);
  300. return;
  301. }
  302. /* 64 bit alignment is required for memory to memory DMA */
  303. if ((long)buf & 4) {
  304. *((u32 *)buf) = SMC_inl(ioaddr, reg);
  305. buf += 4;
  306. len--;
  307. }
  308. len *= 4;
  309. dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
  310. DCSR(dma) = DCSR_NODESC;
  311. DTADR(dma) = dmabuf;
  312. DSADR(dma) = physaddr + reg;
  313. DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
  314. DCMD_WIDTH4 | (DCMD_LENGTH & len));
  315. DCSR(dma) = DCSR_NODESC | DCSR_RUN;
  316. while (!(DCSR(dma) & DCSR_STOPSTATE))
  317. cpu_relax();
  318. DCSR(dma) = 0;
  319. dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
  320. }
  321. #endif
  322. #ifdef SMC_insw
  323. #undef SMC_insw
  324. #define SMC_insw(a, r, p, l) \
  325. smc_pxa_dma_insw(a, lp, r, dev->dma, p, l)
  326. static inline void
  327. smc_pxa_dma_insw(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
  328. u_char *buf, int len)
  329. {
  330. u_long physaddr = lp->physaddr;
  331. dma_addr_t dmabuf;
  332. /* fallback if no DMA available */
  333. if (dma == (unsigned char)-1) {
  334. readsw(ioaddr + reg, buf, len);
  335. return;
  336. }
  337. /* 64 bit alignment is required for memory to memory DMA */
  338. while ((long)buf & 6) {
  339. *((u16 *)buf) = SMC_inw(ioaddr, reg);
  340. buf += 2;
  341. len--;
  342. }
  343. len *= 2;
  344. dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
  345. DCSR(dma) = DCSR_NODESC;
  346. DTADR(dma) = dmabuf;
  347. DSADR(dma) = physaddr + reg;
  348. DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
  349. DCMD_WIDTH2 | (DCMD_LENGTH & len));
  350. DCSR(dma) = DCSR_NODESC | DCSR_RUN;
  351. while (!(DCSR(dma) & DCSR_STOPSTATE))
  352. cpu_relax();
  353. DCSR(dma) = 0;
  354. dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
  355. }
  356. #endif
  357. static void
  358. smc_pxa_dma_irq(int dma, void *dummy)
  359. {
  360. DCSR(dma) = 0;
  361. }
  362. #endif /* CONFIG_ARCH_PXA */
  363. /*
  364. * Everything a particular hardware setup needs should have been defined
  365. * at this point. Add stubs for the undefined cases, mainly to avoid
  366. * compilation warnings since they'll be optimized away, or to prevent buggy
  367. * use of them.
  368. */
  369. #if ! SMC_CAN_USE_32BIT
  370. #define SMC_inl(ioaddr, reg) ({ BUG(); 0; })
  371. #define SMC_outl(x, ioaddr, reg) BUG()
  372. #define SMC_insl(a, r, p, l) BUG()
  373. #define SMC_outsl(a, r, p, l) BUG()
  374. #endif
  375. #if !defined(SMC_insl) || !defined(SMC_outsl)
  376. #define SMC_insl(a, r, p, l) BUG()
  377. #define SMC_outsl(a, r, p, l) BUG()
  378. #endif
  379. #if ! SMC_CAN_USE_16BIT
  380. /*
  381. * Any 16-bit access is performed with two 8-bit accesses if the hardware
  382. * can't do it directly. Most registers are 16-bit so those are mandatory.
  383. */
  384. #define SMC_outw(x, ioaddr, reg) \
  385. do { \
  386. unsigned int __val16 = (x); \
  387. SMC_outb( __val16, ioaddr, reg ); \
  388. SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
  389. } while (0)
  390. #define SMC_inw(ioaddr, reg) \
  391. ({ \
  392. unsigned int __val16; \
  393. __val16 = SMC_inb( ioaddr, reg ); \
  394. __val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
  395. __val16; \
  396. })
  397. #define SMC_insw(a, r, p, l) BUG()
  398. #define SMC_outsw(a, r, p, l) BUG()
  399. #endif
  400. #if !defined(SMC_insw) || !defined(SMC_outsw)
  401. #define SMC_insw(a, r, p, l) BUG()
  402. #define SMC_outsw(a, r, p, l) BUG()
  403. #endif
  404. #if ! SMC_CAN_USE_8BIT
  405. #define SMC_inb(ioaddr, reg) ({ BUG(); 0; })
  406. #define SMC_outb(x, ioaddr, reg) BUG()
  407. #define SMC_insb(a, r, p, l) BUG()
  408. #define SMC_outsb(a, r, p, l) BUG()
  409. #endif
  410. #if !defined(SMC_insb) || !defined(SMC_outsb)
  411. #define SMC_insb(a, r, p, l) BUG()
  412. #define SMC_outsb(a, r, p, l) BUG()
  413. #endif
  414. #ifndef SMC_CAN_USE_DATACS
  415. #define SMC_CAN_USE_DATACS 0
  416. #endif
  417. #ifndef SMC_IO_SHIFT
  418. #define SMC_IO_SHIFT 0
  419. #endif
  420. #ifndef SMC_IRQ_FLAGS
  421. #define SMC_IRQ_FLAGS IRQF_TRIGGER_RISING
  422. #endif
  423. #ifndef SMC_INTERRUPT_PREAMBLE
  424. #define SMC_INTERRUPT_PREAMBLE
  425. #endif
  426. /* Because of bank switching, the LAN91x uses only 16 I/O ports */
  427. #define SMC_IO_EXTENT (16 << SMC_IO_SHIFT)
  428. #define SMC_DATA_EXTENT (4)
  429. /*
  430. . Bank Select Register:
  431. .
  432. . yyyy yyyy 0000 00xx
  433. . xx = bank number
  434. . yyyy yyyy = 0x33, for identification purposes.
  435. */
  436. #define BANK_SELECT (14 << SMC_IO_SHIFT)
  437. // Transmit Control Register
  438. /* BANK 0 */
  439. #define TCR_REG(lp) SMC_REG(lp, 0x0000, 0)
  440. #define TCR_ENABLE 0x0001 // When 1 we can transmit
  441. #define TCR_LOOP 0x0002 // Controls output pin LBK
  442. #define TCR_FORCOL 0x0004 // When 1 will force a collision
  443. #define TCR_PAD_EN 0x0080 // When 1 will pad tx frames < 64 bytes w/0
  444. #define TCR_NOCRC 0x0100 // When 1 will not append CRC to tx frames
  445. #define TCR_MON_CSN 0x0400 // When 1 tx monitors carrier
  446. #define TCR_FDUPLX 0x0800 // When 1 enables full duplex operation
  447. #define TCR_STP_SQET 0x1000 // When 1 stops tx if Signal Quality Error
  448. #define TCR_EPH_LOOP 0x2000 // When 1 enables EPH block loopback
  449. #define TCR_SWFDUP 0x8000 // When 1 enables Switched Full Duplex mode
  450. #define TCR_CLEAR 0 /* do NOTHING */
  451. /* the default settings for the TCR register : */
  452. #define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN)
  453. // EPH Status Register
  454. /* BANK 0 */
  455. #define EPH_STATUS_REG(lp) SMC_REG(lp, 0x0002, 0)
  456. #define ES_TX_SUC 0x0001 // Last TX was successful
  457. #define ES_SNGL_COL 0x0002 // Single collision detected for last tx
  458. #define ES_MUL_COL 0x0004 // Multiple collisions detected for last tx
  459. #define ES_LTX_MULT 0x0008 // Last tx was a multicast
  460. #define ES_16COL 0x0010 // 16 Collisions Reached
  461. #define ES_SQET 0x0020 // Signal Quality Error Test
  462. #define ES_LTXBRD 0x0040 // Last tx was a broadcast
  463. #define ES_TXDEFR 0x0080 // Transmit Deferred
  464. #define ES_LATCOL 0x0200 // Late collision detected on last tx
  465. #define ES_LOSTCARR 0x0400 // Lost Carrier Sense
  466. #define ES_EXC_DEF 0x0800 // Excessive Deferral
  467. #define ES_CTR_ROL 0x1000 // Counter Roll Over indication
  468. #define ES_LINK_OK 0x4000 // Driven by inverted value of nLNK pin
  469. #define ES_TXUNRN 0x8000 // Tx Underrun
  470. // Receive Control Register
  471. /* BANK 0 */
  472. #define RCR_REG(lp) SMC_REG(lp, 0x0004, 0)
  473. #define RCR_RX_ABORT 0x0001 // Set if a rx frame was aborted
  474. #define RCR_PRMS 0x0002 // Enable promiscuous mode
  475. #define RCR_ALMUL 0x0004 // When set accepts all multicast frames
  476. #define RCR_RXEN 0x0100 // IFF this is set, we can receive packets
  477. #define RCR_STRIP_CRC 0x0200 // When set strips CRC from rx packets
  478. #define RCR_ABORT_ENB 0x0200 // When set will abort rx on collision
  479. #define RCR_FILT_CAR 0x0400 // When set filters leading 12 bit s of carrier
  480. #define RCR_SOFTRST 0x8000 // resets the chip
  481. /* the normal settings for the RCR register : */
  482. #define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN)
  483. #define RCR_CLEAR 0x0 // set it to a base state
  484. // Counter Register
  485. /* BANK 0 */
  486. #define COUNTER_REG(lp) SMC_REG(lp, 0x0006, 0)
  487. // Memory Information Register
  488. /* BANK 0 */
  489. #define MIR_REG(lp) SMC_REG(lp, 0x0008, 0)
  490. // Receive/Phy Control Register
  491. /* BANK 0 */
  492. #define RPC_REG(lp) SMC_REG(lp, 0x000A, 0)
  493. #define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode.
  494. #define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode
  495. #define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode
  496. #define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb
  497. #define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb
  498. #ifndef RPC_LSA_DEFAULT
  499. #define RPC_LSA_DEFAULT RPC_LED_100
  500. #endif
  501. #ifndef RPC_LSB_DEFAULT
  502. #define RPC_LSB_DEFAULT RPC_LED_FD
  503. #endif
  504. #define RPC_DEFAULT (RPC_ANEG | RPC_SPEED | RPC_DPLX)
  505. /* Bank 0 0x0C is reserved */
  506. // Bank Select Register
  507. /* All Banks */
  508. #define BSR_REG 0x000E
  509. // Configuration Reg
  510. /* BANK 1 */
  511. #define CONFIG_REG(lp) SMC_REG(lp, 0x0000, 1)
  512. #define CONFIG_EXT_PHY 0x0200 // 1=external MII, 0=internal Phy
  513. #define CONFIG_GPCNTRL 0x0400 // Inverse value drives pin nCNTRL
  514. #define CONFIG_NO_WAIT 0x1000 // When 1 no extra wait states on ISA bus
  515. #define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode.
  516. // Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low
  517. #define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN)
  518. // Base Address Register
  519. /* BANK 1 */
  520. #define BASE_REG(lp) SMC_REG(lp, 0x0002, 1)
  521. // Individual Address Registers
  522. /* BANK 1 */
  523. #define ADDR0_REG(lp) SMC_REG(lp, 0x0004, 1)
  524. #define ADDR1_REG(lp) SMC_REG(lp, 0x0006, 1)
  525. #define ADDR2_REG(lp) SMC_REG(lp, 0x0008, 1)
  526. // General Purpose Register
  527. /* BANK 1 */
  528. #define GP_REG(lp) SMC_REG(lp, 0x000A, 1)
  529. // Control Register
  530. /* BANK 1 */
  531. #define CTL_REG(lp) SMC_REG(lp, 0x000C, 1)
  532. #define CTL_RCV_BAD 0x4000 // When 1 bad CRC packets are received
  533. #define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
  534. #define CTL_LE_ENABLE 0x0080 // When 1 enables Link Error interrupt
  535. #define CTL_CR_ENABLE 0x0040 // When 1 enables Counter Rollover interrupt
  536. #define CTL_TE_ENABLE 0x0020 // When 1 enables Transmit Error interrupt
  537. #define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
  538. #define CTL_RELOAD 0x0002 // When set reads EEPROM into registers
  539. #define CTL_STORE 0x0001 // When set stores registers into EEPROM
  540. // MMU Command Register
  541. /* BANK 2 */
  542. #define MMU_CMD_REG(lp) SMC_REG(lp, 0x0000, 2)
  543. #define MC_BUSY 1 // When 1 the last release has not completed
  544. #define MC_NOP (0<<5) // No Op
  545. #define MC_ALLOC (1<<5) // OR with number of 256 byte packets
  546. #define MC_RESET (2<<5) // Reset MMU to initial state
  547. #define MC_REMOVE (3<<5) // Remove the current rx packet
  548. #define MC_RELEASE (4<<5) // Remove and release the current rx packet
  549. #define MC_FREEPKT (5<<5) // Release packet in PNR register
  550. #define MC_ENQUEUE (6<<5) // Enqueue the packet for transmit
  551. #define MC_RSTTXFIFO (7<<5) // Reset the TX FIFOs
  552. // Packet Number Register
  553. /* BANK 2 */
  554. #define PN_REG(lp) SMC_REG(lp, 0x0002, 2)
  555. // Allocation Result Register
  556. /* BANK 2 */
  557. #define AR_REG(lp) SMC_REG(lp, 0x0003, 2)
  558. #define AR_FAILED 0x80 // Alocation Failed
  559. // TX FIFO Ports Register
  560. /* BANK 2 */
  561. #define TXFIFO_REG(lp) SMC_REG(lp, 0x0004, 2)
  562. #define TXFIFO_TEMPTY 0x80 // TX FIFO Empty
  563. // RX FIFO Ports Register
  564. /* BANK 2 */
  565. #define RXFIFO_REG(lp) SMC_REG(lp, 0x0005, 2)
  566. #define RXFIFO_REMPTY 0x80 // RX FIFO Empty
  567. #define FIFO_REG(lp) SMC_REG(lp, 0x0004, 2)
  568. // Pointer Register
  569. /* BANK 2 */
  570. #define PTR_REG(lp) SMC_REG(lp, 0x0006, 2)
  571. #define PTR_RCV 0x8000 // 1=Receive area, 0=Transmit area
  572. #define PTR_AUTOINC 0x4000 // Auto increment the pointer on each access
  573. #define PTR_READ 0x2000 // When 1 the operation is a read
  574. // Data Register
  575. /* BANK 2 */
  576. #define DATA_REG(lp) SMC_REG(lp, 0x0008, 2)
  577. // Interrupt Status/Acknowledge Register
  578. /* BANK 2 */
  579. #define INT_REG(lp) SMC_REG(lp, 0x000C, 2)
  580. // Interrupt Mask Register
  581. /* BANK 2 */
  582. #define IM_REG(lp) SMC_REG(lp, 0x000D, 2)
  583. #define IM_MDINT 0x80 // PHY MI Register 18 Interrupt
  584. #define IM_ERCV_INT 0x40 // Early Receive Interrupt
  585. #define IM_EPH_INT 0x20 // Set by Ethernet Protocol Handler section
  586. #define IM_RX_OVRN_INT 0x10 // Set by Receiver Overruns
  587. #define IM_ALLOC_INT 0x08 // Set when allocation request is completed
  588. #define IM_TX_EMPTY_INT 0x04 // Set if the TX FIFO goes empty
  589. #define IM_TX_INT 0x02 // Transmit Interrupt
  590. #define IM_RCV_INT 0x01 // Receive Interrupt
  591. // Multicast Table Registers
  592. /* BANK 3 */
  593. #define MCAST_REG1(lp) SMC_REG(lp, 0x0000, 3)
  594. #define MCAST_REG2(lp) SMC_REG(lp, 0x0002, 3)
  595. #define MCAST_REG3(lp) SMC_REG(lp, 0x0004, 3)
  596. #define MCAST_REG4(lp) SMC_REG(lp, 0x0006, 3)
  597. // Management Interface Register (MII)
  598. /* BANK 3 */
  599. #define MII_REG(lp) SMC_REG(lp, 0x0008, 3)
  600. #define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup
  601. #define MII_MDOE 0x0008 // MII Output Enable
  602. #define MII_MCLK 0x0004 // MII Clock, pin MDCLK
  603. #define MII_MDI 0x0002 // MII Input, pin MDI
  604. #define MII_MDO 0x0001 // MII Output, pin MDO
  605. // Revision Register
  606. /* BANK 3 */
  607. /* ( hi: chip id low: rev # ) */
  608. #define REV_REG(lp) SMC_REG(lp, 0x000A, 3)
  609. // Early RCV Register
  610. /* BANK 3 */
  611. /* this is NOT on SMC9192 */
  612. #define ERCV_REG(lp) SMC_REG(lp, 0x000C, 3)
  613. #define ERCV_RCV_DISCRD 0x0080 // When 1 discards a packet being received
  614. #define ERCV_THRESHOLD 0x001F // ERCV Threshold Mask
  615. // External Register
  616. /* BANK 7 */
  617. #define EXT_REG(lp) SMC_REG(lp, 0x0000, 7)
  618. #define CHIP_9192 3
  619. #define CHIP_9194 4
  620. #define CHIP_9195 5
  621. #define CHIP_9196 6
  622. #define CHIP_91100 7
  623. #define CHIP_91100FD 8
  624. #define CHIP_91111FD 9
  625. static const char * chip_ids[ 16 ] = {
  626. NULL, NULL, NULL,
  627. /* 3 */ "SMC91C90/91C92",
  628. /* 4 */ "SMC91C94",
  629. /* 5 */ "SMC91C95",
  630. /* 6 */ "SMC91C96",
  631. /* 7 */ "SMC91C100",
  632. /* 8 */ "SMC91C100FD",
  633. /* 9 */ "SMC91C11xFD",
  634. NULL, NULL, NULL,
  635. NULL, NULL, NULL};
  636. /*
  637. . Receive status bits
  638. */
  639. #define RS_ALGNERR 0x8000
  640. #define RS_BRODCAST 0x4000
  641. #define RS_BADCRC 0x2000
  642. #define RS_ODDFRAME 0x1000
  643. #define RS_TOOLONG 0x0800
  644. #define RS_TOOSHORT 0x0400
  645. #define RS_MULTICAST 0x0001
  646. #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
  647. /*
  648. * PHY IDs
  649. * LAN83C183 == LAN91C111 Internal PHY
  650. */
  651. #define PHY_LAN83C183 0x0016f840
  652. #define PHY_LAN83C180 0x02821c50
  653. /*
  654. * PHY Register Addresses (LAN91C111 Internal PHY)
  655. *
  656. * Generic PHY registers can be found in <linux/mii.h>
  657. *
  658. * These phy registers are specific to our on-board phy.
  659. */
  660. // PHY Configuration Register 1
  661. #define PHY_CFG1_REG 0x10
  662. #define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled
  663. #define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled
  664. #define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down
  665. #define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler
  666. #define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable
  667. #define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled
  668. #define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm)
  669. #define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db
  670. #define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust
  671. #define PHY_CFG1_TLVL_MASK 0x003C
  672. #define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time
  673. // PHY Configuration Register 2
  674. #define PHY_CFG2_REG 0x11
  675. #define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled
  676. #define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled
  677. #define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt)
  678. #define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo
  679. // PHY Status Output (and Interrupt status) Register
  680. #define PHY_INT_REG 0x12 // Status Output (Interrupt Status)
  681. #define PHY_INT_INT 0x8000 // 1=bits have changed since last read
  682. #define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected
  683. #define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync
  684. #define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx
  685. #define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx
  686. #define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx
  687. #define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected
  688. #define PHY_INT_JAB 0x0100 // 1=Jabber detected
  689. #define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode
  690. #define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex
  691. // PHY Interrupt/Status Mask Register
  692. #define PHY_MASK_REG 0x13 // Interrupt Mask
  693. // Uses the same bit definitions as PHY_INT_REG
  694. /*
  695. * SMC91C96 ethernet config and status registers.
  696. * These are in the "attribute" space.
  697. */
  698. #define ECOR 0x8000
  699. #define ECOR_RESET 0x80
  700. #define ECOR_LEVEL_IRQ 0x40
  701. #define ECOR_WR_ATTRIB 0x04
  702. #define ECOR_ENABLE 0x01
  703. #define ECSR 0x8002
  704. #define ECSR_IOIS8 0x20
  705. #define ECSR_PWRDWN 0x04
  706. #define ECSR_INT 0x02
  707. #define ATTRIB_SIZE ((64*1024) << SMC_IO_SHIFT)
  708. /*
  709. * Macros to abstract register access according to the data bus
  710. * capabilities. Please use those and not the in/out primitives.
  711. * Note: the following macros do *not* select the bank -- this must
  712. * be done separately as needed in the main code. The SMC_REG() macro
  713. * only uses the bank argument for debugging purposes (when enabled).
  714. *
  715. * Note: despite inline functions being safer, everything leading to this
  716. * should preferably be macros to let BUG() display the line number in
  717. * the core source code since we're interested in the top call site
  718. * not in any inline function location.
  719. */
  720. #if SMC_DEBUG > 0
  721. #define SMC_REG(lp, reg, bank) \
  722. ({ \
  723. int __b = SMC_CURRENT_BANK(lp); \
  724. if (unlikely((__b & ~0xf0) != (0x3300 | bank))) { \
  725. pr_err("%s: bank reg screwed (0x%04x)\n", \
  726. CARDNAME, __b); \
  727. BUG(); \
  728. } \
  729. reg<<SMC_IO_SHIFT; \
  730. })
  731. #else
  732. #define SMC_REG(lp, reg, bank) (reg<<SMC_IO_SHIFT)
  733. #endif
  734. /*
  735. * Hack Alert: Some setups just can't write 8 or 16 bits reliably when not
  736. * aligned to a 32 bit boundary. I tell you that does exist!
  737. * Fortunately the affected register accesses can be easily worked around
  738. * since we can write zeroes to the preceding 16 bits without adverse
  739. * effects and use a 32-bit access.
  740. *
  741. * Enforce it on any 32-bit capable setup for now.
  742. */
  743. #define SMC_MUST_ALIGN_WRITE(lp) SMC_32BIT(lp)
  744. #define SMC_GET_PN(lp) \
  745. (SMC_8BIT(lp) ? (SMC_inb(ioaddr, PN_REG(lp))) \
  746. : (SMC_inw(ioaddr, PN_REG(lp)) & 0xFF))
  747. #define SMC_SET_PN(lp, x) \
  748. do { \
  749. if (SMC_MUST_ALIGN_WRITE(lp)) \
  750. SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 0, 2)); \
  751. else if (SMC_8BIT(lp)) \
  752. SMC_outb(x, ioaddr, PN_REG(lp)); \
  753. else \
  754. SMC_outw(x, ioaddr, PN_REG(lp)); \
  755. } while (0)
  756. #define SMC_GET_AR(lp) \
  757. (SMC_8BIT(lp) ? (SMC_inb(ioaddr, AR_REG(lp))) \
  758. : (SMC_inw(ioaddr, PN_REG(lp)) >> 8))
  759. #define SMC_GET_TXFIFO(lp) \
  760. (SMC_8BIT(lp) ? (SMC_inb(ioaddr, TXFIFO_REG(lp))) \
  761. : (SMC_inw(ioaddr, TXFIFO_REG(lp)) & 0xFF))
  762. #define SMC_GET_RXFIFO(lp) \
  763. (SMC_8BIT(lp) ? (SMC_inb(ioaddr, RXFIFO_REG(lp))) \
  764. : (SMC_inw(ioaddr, TXFIFO_REG(lp)) >> 8))
  765. #define SMC_GET_INT(lp) \
  766. (SMC_8BIT(lp) ? (SMC_inb(ioaddr, INT_REG(lp))) \
  767. : (SMC_inw(ioaddr, INT_REG(lp)) & 0xFF))
  768. #define SMC_ACK_INT(lp, x) \
  769. do { \
  770. if (SMC_8BIT(lp)) \
  771. SMC_outb(x, ioaddr, INT_REG(lp)); \
  772. else { \
  773. unsigned long __flags; \
  774. int __mask; \
  775. local_irq_save(__flags); \
  776. __mask = SMC_inw(ioaddr, INT_REG(lp)) & ~0xff; \
  777. SMC_outw(__mask | (x), ioaddr, INT_REG(lp)); \
  778. local_irq_restore(__flags); \
  779. } \
  780. } while (0)
  781. #define SMC_GET_INT_MASK(lp) \
  782. (SMC_8BIT(lp) ? (SMC_inb(ioaddr, IM_REG(lp))) \
  783. : (SMC_inw(ioaddr, INT_REG(lp)) >> 8))
  784. #define SMC_SET_INT_MASK(lp, x) \
  785. do { \
  786. if (SMC_8BIT(lp)) \
  787. SMC_outb(x, ioaddr, IM_REG(lp)); \
  788. else \
  789. SMC_outw((x) << 8, ioaddr, INT_REG(lp)); \
  790. } while (0)
  791. #define SMC_CURRENT_BANK(lp) SMC_inw(ioaddr, BANK_SELECT)
  792. #define SMC_SELECT_BANK(lp, x) \
  793. do { \
  794. if (SMC_MUST_ALIGN_WRITE(lp)) \
  795. SMC_outl((x)<<16, ioaddr, 12<<SMC_IO_SHIFT); \
  796. else \
  797. SMC_outw(x, ioaddr, BANK_SELECT); \
  798. } while (0)
  799. #define SMC_GET_BASE(lp) SMC_inw(ioaddr, BASE_REG(lp))
  800. #define SMC_SET_BASE(lp, x) SMC_outw(x, ioaddr, BASE_REG(lp))
  801. #define SMC_GET_CONFIG(lp) SMC_inw(ioaddr, CONFIG_REG(lp))
  802. #define SMC_SET_CONFIG(lp, x) SMC_outw(x, ioaddr, CONFIG_REG(lp))
  803. #define SMC_GET_COUNTER(lp) SMC_inw(ioaddr, COUNTER_REG(lp))
  804. #define SMC_GET_CTL(lp) SMC_inw(ioaddr, CTL_REG(lp))
  805. #define SMC_SET_CTL(lp, x) SMC_outw(x, ioaddr, CTL_REG(lp))
  806. #define SMC_GET_MII(lp) SMC_inw(ioaddr, MII_REG(lp))
  807. #define SMC_GET_GP(lp) SMC_inw(ioaddr, GP_REG(lp))
  808. #define SMC_SET_GP(lp, x) \
  809. do { \
  810. if (SMC_MUST_ALIGN_WRITE(lp)) \
  811. SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 1)); \
  812. else \
  813. SMC_outw(x, ioaddr, GP_REG(lp)); \
  814. } while (0)
  815. #define SMC_SET_MII(lp, x) SMC_outw(x, ioaddr, MII_REG(lp))
  816. #define SMC_GET_MIR(lp) SMC_inw(ioaddr, MIR_REG(lp))
  817. #define SMC_SET_MIR(lp, x) SMC_outw(x, ioaddr, MIR_REG(lp))
  818. #define SMC_GET_MMU_CMD(lp) SMC_inw(ioaddr, MMU_CMD_REG(lp))
  819. #define SMC_SET_MMU_CMD(lp, x) SMC_outw(x, ioaddr, MMU_CMD_REG(lp))
  820. #define SMC_GET_FIFO(lp) SMC_inw(ioaddr, FIFO_REG(lp))
  821. #define SMC_GET_PTR(lp) SMC_inw(ioaddr, PTR_REG(lp))
  822. #define SMC_SET_PTR(lp, x) \
  823. do { \
  824. if (SMC_MUST_ALIGN_WRITE(lp)) \
  825. SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 4, 2)); \
  826. else \
  827. SMC_outw(x, ioaddr, PTR_REG(lp)); \
  828. } while (0)
  829. #define SMC_GET_EPH_STATUS(lp) SMC_inw(ioaddr, EPH_STATUS_REG(lp))
  830. #define SMC_GET_RCR(lp) SMC_inw(ioaddr, RCR_REG(lp))
  831. #define SMC_SET_RCR(lp, x) SMC_outw(x, ioaddr, RCR_REG(lp))
  832. #define SMC_GET_REV(lp) SMC_inw(ioaddr, REV_REG(lp))
  833. #define SMC_GET_RPC(lp) SMC_inw(ioaddr, RPC_REG(lp))
  834. #define SMC_SET_RPC(lp, x) \
  835. do { \
  836. if (SMC_MUST_ALIGN_WRITE(lp)) \
  837. SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 0)); \
  838. else \
  839. SMC_outw(x, ioaddr, RPC_REG(lp)); \
  840. } while (0)
  841. #define SMC_GET_TCR(lp) SMC_inw(ioaddr, TCR_REG(lp))
  842. #define SMC_SET_TCR(lp, x) SMC_outw(x, ioaddr, TCR_REG(lp))
  843. #ifndef SMC_GET_MAC_ADDR
  844. #define SMC_GET_MAC_ADDR(lp, addr) \
  845. do { \
  846. unsigned int __v; \
  847. __v = SMC_inw(ioaddr, ADDR0_REG(lp)); \
  848. addr[0] = __v; addr[1] = __v >> 8; \
  849. __v = SMC_inw(ioaddr, ADDR1_REG(lp)); \
  850. addr[2] = __v; addr[3] = __v >> 8; \
  851. __v = SMC_inw(ioaddr, ADDR2_REG(lp)); \
  852. addr[4] = __v; addr[5] = __v >> 8; \
  853. } while (0)
  854. #endif
  855. #define SMC_SET_MAC_ADDR(lp, addr) \
  856. do { \
  857. SMC_outw(addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG(lp)); \
  858. SMC_outw(addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG(lp)); \
  859. SMC_outw(addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG(lp)); \
  860. } while (0)
  861. #define SMC_SET_MCAST(lp, x) \
  862. do { \
  863. const unsigned char *mt = (x); \
  864. SMC_outw(mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1(lp)); \
  865. SMC_outw(mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2(lp)); \
  866. SMC_outw(mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3(lp)); \
  867. SMC_outw(mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4(lp)); \
  868. } while (0)
  869. #define SMC_PUT_PKT_HDR(lp, status, length) \
  870. do { \
  871. if (SMC_32BIT(lp)) \
  872. SMC_outl((status) | (length)<<16, ioaddr, \
  873. DATA_REG(lp)); \
  874. else { \
  875. SMC_outw(status, ioaddr, DATA_REG(lp)); \
  876. SMC_outw(length, ioaddr, DATA_REG(lp)); \
  877. } \
  878. } while (0)
  879. #define SMC_GET_PKT_HDR(lp, status, length) \
  880. do { \
  881. if (SMC_32BIT(lp)) { \
  882. unsigned int __val = SMC_inl(ioaddr, DATA_REG(lp)); \
  883. (status) = __val & 0xffff; \
  884. (length) = __val >> 16; \
  885. } else { \
  886. (status) = SMC_inw(ioaddr, DATA_REG(lp)); \
  887. (length) = SMC_inw(ioaddr, DATA_REG(lp)); \
  888. } \
  889. } while (0)
  890. #define SMC_PUSH_DATA(lp, p, l) \
  891. do { \
  892. if (SMC_32BIT(lp)) { \
  893. void *__ptr = (p); \
  894. int __len = (l); \
  895. void __iomem *__ioaddr = ioaddr; \
  896. if (__len >= 2 && (unsigned long)__ptr & 2) { \
  897. __len -= 2; \
  898. SMC_outsw(ioaddr, DATA_REG(lp), __ptr, 1); \
  899. __ptr += 2; \
  900. } \
  901. if (SMC_CAN_USE_DATACS && lp->datacs) \
  902. __ioaddr = lp->datacs; \
  903. SMC_outsl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \
  904. if (__len & 2) { \
  905. __ptr += (__len & ~3); \
  906. SMC_outsw(ioaddr, DATA_REG(lp), __ptr, 1); \
  907. } \
  908. } else if (SMC_16BIT(lp)) \
  909. SMC_outsw(ioaddr, DATA_REG(lp), p, (l) >> 1); \
  910. else if (SMC_8BIT(lp)) \
  911. SMC_outsb(ioaddr, DATA_REG(lp), p, l); \
  912. } while (0)
  913. #define SMC_PULL_DATA(lp, p, l) \
  914. do { \
  915. if (SMC_32BIT(lp)) { \
  916. void *__ptr = (p); \
  917. int __len = (l); \
  918. void __iomem *__ioaddr = ioaddr; \
  919. if ((unsigned long)__ptr & 2) { \
  920. /* \
  921. * We want 32bit alignment here. \
  922. * Since some buses perform a full \
  923. * 32bit fetch even for 16bit data \
  924. * we can't use SMC_inw() here. \
  925. * Back both source (on-chip) and \
  926. * destination pointers of 2 bytes. \
  927. * This is possible since the call to \
  928. * SMC_GET_PKT_HDR() already advanced \
  929. * the source pointer of 4 bytes, and \
  930. * the skb_reserve(skb, 2) advanced \
  931. * the destination pointer of 2 bytes. \
  932. */ \
  933. __ptr -= 2; \
  934. __len += 2; \
  935. SMC_SET_PTR(lp, \
  936. 2|PTR_READ|PTR_RCV|PTR_AUTOINC); \
  937. } \
  938. if (SMC_CAN_USE_DATACS && lp->datacs) \
  939. __ioaddr = lp->datacs; \
  940. __len += 2; \
  941. SMC_insl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \
  942. } else if (SMC_16BIT(lp)) \
  943. SMC_insw(ioaddr, DATA_REG(lp), p, (l) >> 1); \
  944. else if (SMC_8BIT(lp)) \
  945. SMC_insb(ioaddr, DATA_REG(lp), p, l); \
  946. } while (0)
  947. #endif /* _SMC91X_H_ */