felix_vsc9959.c 79 KB

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  1. // SPDX-License-Identifier: (GPL-2.0 OR MIT)
  2. /* Copyright 2017 Microsemi Corporation
  3. * Copyright 2018-2019 NXP
  4. */
  5. #include <linux/fsl/enetc_mdio.h>
  6. #include <soc/mscc/ocelot_qsys.h>
  7. #include <soc/mscc/ocelot_vcap.h>
  8. #include <soc/mscc/ocelot_ana.h>
  9. #include <soc/mscc/ocelot_ptp.h>
  10. #include <soc/mscc/ocelot_sys.h>
  11. #include <net/tc_act/tc_gate.h>
  12. #include <soc/mscc/ocelot.h>
  13. #include <linux/dsa/ocelot.h>
  14. #include <linux/pcs-lynx.h>
  15. #include <net/pkt_sched.h>
  16. #include <linux/iopoll.h>
  17. #include <linux/mdio.h>
  18. #include <linux/pci.h>
  19. #include <linux/time.h>
  20. #include "felix.h"
  21. #define VSC9959_NUM_PORTS 6
  22. #define VSC9959_TAS_GCL_ENTRY_MAX 63
  23. #define VSC9959_TAS_MIN_GATE_LEN_NS 33
  24. #define VSC9959_VCAP_POLICER_BASE 63
  25. #define VSC9959_VCAP_POLICER_MAX 383
  26. #define VSC9959_SWITCH_PCI_BAR 4
  27. #define VSC9959_IMDIO_PCI_BAR 0
  28. #define VSC9959_PORT_MODE_SERDES (OCELOT_PORT_MODE_SGMII | \
  29. OCELOT_PORT_MODE_QSGMII | \
  30. OCELOT_PORT_MODE_1000BASEX | \
  31. OCELOT_PORT_MODE_2500BASEX | \
  32. OCELOT_PORT_MODE_USXGMII)
  33. static const u32 vsc9959_port_modes[VSC9959_NUM_PORTS] = {
  34. VSC9959_PORT_MODE_SERDES,
  35. VSC9959_PORT_MODE_SERDES,
  36. VSC9959_PORT_MODE_SERDES,
  37. VSC9959_PORT_MODE_SERDES,
  38. OCELOT_PORT_MODE_INTERNAL,
  39. OCELOT_PORT_MODE_INTERNAL,
  40. };
  41. static const u32 vsc9959_ana_regmap[] = {
  42. REG(ANA_ADVLEARN, 0x0089a0),
  43. REG(ANA_VLANMASK, 0x0089a4),
  44. REG_RESERVED(ANA_PORT_B_DOMAIN),
  45. REG(ANA_ANAGEFIL, 0x0089ac),
  46. REG(ANA_ANEVENTS, 0x0089b0),
  47. REG(ANA_STORMLIMIT_BURST, 0x0089b4),
  48. REG(ANA_STORMLIMIT_CFG, 0x0089b8),
  49. REG(ANA_ISOLATED_PORTS, 0x0089c8),
  50. REG(ANA_COMMUNITY_PORTS, 0x0089cc),
  51. REG(ANA_AUTOAGE, 0x0089d0),
  52. REG(ANA_MACTOPTIONS, 0x0089d4),
  53. REG(ANA_LEARNDISC, 0x0089d8),
  54. REG(ANA_AGENCTRL, 0x0089dc),
  55. REG(ANA_MIRRORPORTS, 0x0089e0),
  56. REG(ANA_EMIRRORPORTS, 0x0089e4),
  57. REG(ANA_FLOODING, 0x0089e8),
  58. REG(ANA_FLOODING_IPMC, 0x008a08),
  59. REG(ANA_SFLOW_CFG, 0x008a0c),
  60. REG(ANA_PORT_MODE, 0x008a28),
  61. REG(ANA_CUT_THRU_CFG, 0x008a48),
  62. REG(ANA_PGID_PGID, 0x008400),
  63. REG(ANA_TABLES_ANMOVED, 0x007f1c),
  64. REG(ANA_TABLES_MACHDATA, 0x007f20),
  65. REG(ANA_TABLES_MACLDATA, 0x007f24),
  66. REG(ANA_TABLES_STREAMDATA, 0x007f28),
  67. REG(ANA_TABLES_MACACCESS, 0x007f2c),
  68. REG(ANA_TABLES_MACTINDX, 0x007f30),
  69. REG(ANA_TABLES_VLANACCESS, 0x007f34),
  70. REG(ANA_TABLES_VLANTIDX, 0x007f38),
  71. REG(ANA_TABLES_ISDXACCESS, 0x007f3c),
  72. REG(ANA_TABLES_ISDXTIDX, 0x007f40),
  73. REG(ANA_TABLES_ENTRYLIM, 0x007f00),
  74. REG(ANA_TABLES_PTP_ID_HIGH, 0x007f44),
  75. REG(ANA_TABLES_PTP_ID_LOW, 0x007f48),
  76. REG(ANA_TABLES_STREAMACCESS, 0x007f4c),
  77. REG(ANA_TABLES_STREAMTIDX, 0x007f50),
  78. REG(ANA_TABLES_SEQ_HISTORY, 0x007f54),
  79. REG(ANA_TABLES_SEQ_MASK, 0x007f58),
  80. REG(ANA_TABLES_SFID_MASK, 0x007f5c),
  81. REG(ANA_TABLES_SFIDACCESS, 0x007f60),
  82. REG(ANA_TABLES_SFIDTIDX, 0x007f64),
  83. REG(ANA_MSTI_STATE, 0x008600),
  84. REG(ANA_OAM_UPM_LM_CNT, 0x008000),
  85. REG(ANA_SG_ACCESS_CTRL, 0x008a64),
  86. REG(ANA_SG_CONFIG_REG_1, 0x007fb0),
  87. REG(ANA_SG_CONFIG_REG_2, 0x007fb4),
  88. REG(ANA_SG_CONFIG_REG_3, 0x007fb8),
  89. REG(ANA_SG_CONFIG_REG_4, 0x007fbc),
  90. REG(ANA_SG_CONFIG_REG_5, 0x007fc0),
  91. REG(ANA_SG_GCL_GS_CONFIG, 0x007f80),
  92. REG(ANA_SG_GCL_TI_CONFIG, 0x007f90),
  93. REG(ANA_SG_STATUS_REG_1, 0x008980),
  94. REG(ANA_SG_STATUS_REG_2, 0x008984),
  95. REG(ANA_SG_STATUS_REG_3, 0x008988),
  96. REG(ANA_PORT_VLAN_CFG, 0x007800),
  97. REG(ANA_PORT_DROP_CFG, 0x007804),
  98. REG(ANA_PORT_QOS_CFG, 0x007808),
  99. REG(ANA_PORT_VCAP_CFG, 0x00780c),
  100. REG(ANA_PORT_VCAP_S1_KEY_CFG, 0x007810),
  101. REG(ANA_PORT_VCAP_S2_CFG, 0x00781c),
  102. REG(ANA_PORT_PCP_DEI_MAP, 0x007820),
  103. REG(ANA_PORT_CPU_FWD_CFG, 0x007860),
  104. REG(ANA_PORT_CPU_FWD_BPDU_CFG, 0x007864),
  105. REG(ANA_PORT_CPU_FWD_GARP_CFG, 0x007868),
  106. REG(ANA_PORT_CPU_FWD_CCM_CFG, 0x00786c),
  107. REG(ANA_PORT_PORT_CFG, 0x007870),
  108. REG(ANA_PORT_POL_CFG, 0x007874),
  109. REG(ANA_PORT_PTP_CFG, 0x007878),
  110. REG(ANA_PORT_PTP_DLY1_CFG, 0x00787c),
  111. REG(ANA_PORT_PTP_DLY2_CFG, 0x007880),
  112. REG(ANA_PORT_SFID_CFG, 0x007884),
  113. REG(ANA_PFC_PFC_CFG, 0x008800),
  114. REG_RESERVED(ANA_PFC_PFC_TIMER),
  115. REG_RESERVED(ANA_IPT_OAM_MEP_CFG),
  116. REG_RESERVED(ANA_IPT_IPT),
  117. REG_RESERVED(ANA_PPT_PPT),
  118. REG_RESERVED(ANA_FID_MAP_FID_MAP),
  119. REG(ANA_AGGR_CFG, 0x008a68),
  120. REG(ANA_CPUQ_CFG, 0x008a6c),
  121. REG_RESERVED(ANA_CPUQ_CFG2),
  122. REG(ANA_CPUQ_8021_CFG, 0x008a74),
  123. REG(ANA_DSCP_CFG, 0x008ab4),
  124. REG(ANA_DSCP_REWR_CFG, 0x008bb4),
  125. REG(ANA_VCAP_RNG_TYPE_CFG, 0x008bf4),
  126. REG(ANA_VCAP_RNG_VAL_CFG, 0x008c14),
  127. REG_RESERVED(ANA_VRAP_CFG),
  128. REG_RESERVED(ANA_VRAP_HDR_DATA),
  129. REG_RESERVED(ANA_VRAP_HDR_MASK),
  130. REG(ANA_DISCARD_CFG, 0x008c40),
  131. REG(ANA_FID_CFG, 0x008c44),
  132. REG(ANA_POL_PIR_CFG, 0x004000),
  133. REG(ANA_POL_CIR_CFG, 0x004004),
  134. REG(ANA_POL_MODE_CFG, 0x004008),
  135. REG(ANA_POL_PIR_STATE, 0x00400c),
  136. REG(ANA_POL_CIR_STATE, 0x004010),
  137. REG_RESERVED(ANA_POL_STATE),
  138. REG(ANA_POL_FLOWC, 0x008c48),
  139. REG(ANA_POL_HYST, 0x008cb4),
  140. REG_RESERVED(ANA_POL_MISC_CFG),
  141. };
  142. static const u32 vsc9959_qs_regmap[] = {
  143. REG(QS_XTR_GRP_CFG, 0x000000),
  144. REG(QS_XTR_RD, 0x000008),
  145. REG(QS_XTR_FRM_PRUNING, 0x000010),
  146. REG(QS_XTR_FLUSH, 0x000018),
  147. REG(QS_XTR_DATA_PRESENT, 0x00001c),
  148. REG(QS_XTR_CFG, 0x000020),
  149. REG(QS_INJ_GRP_CFG, 0x000024),
  150. REG(QS_INJ_WR, 0x00002c),
  151. REG(QS_INJ_CTRL, 0x000034),
  152. REG(QS_INJ_STATUS, 0x00003c),
  153. REG(QS_INJ_ERR, 0x000040),
  154. REG_RESERVED(QS_INH_DBG),
  155. };
  156. static const u32 vsc9959_vcap_regmap[] = {
  157. /* VCAP_CORE_CFG */
  158. REG(VCAP_CORE_UPDATE_CTRL, 0x000000),
  159. REG(VCAP_CORE_MV_CFG, 0x000004),
  160. /* VCAP_CORE_CACHE */
  161. REG(VCAP_CACHE_ENTRY_DAT, 0x000008),
  162. REG(VCAP_CACHE_MASK_DAT, 0x000108),
  163. REG(VCAP_CACHE_ACTION_DAT, 0x000208),
  164. REG(VCAP_CACHE_CNT_DAT, 0x000308),
  165. REG(VCAP_CACHE_TG_DAT, 0x000388),
  166. /* VCAP_CONST */
  167. REG(VCAP_CONST_VCAP_VER, 0x000398),
  168. REG(VCAP_CONST_ENTRY_WIDTH, 0x00039c),
  169. REG(VCAP_CONST_ENTRY_CNT, 0x0003a0),
  170. REG(VCAP_CONST_ENTRY_SWCNT, 0x0003a4),
  171. REG(VCAP_CONST_ENTRY_TG_WIDTH, 0x0003a8),
  172. REG(VCAP_CONST_ACTION_DEF_CNT, 0x0003ac),
  173. REG(VCAP_CONST_ACTION_WIDTH, 0x0003b0),
  174. REG(VCAP_CONST_CNT_WIDTH, 0x0003b4),
  175. REG(VCAP_CONST_CORE_CNT, 0x0003b8),
  176. REG(VCAP_CONST_IF_CNT, 0x0003bc),
  177. };
  178. static const u32 vsc9959_qsys_regmap[] = {
  179. REG(QSYS_PORT_MODE, 0x00f460),
  180. REG(QSYS_SWITCH_PORT_MODE, 0x00f480),
  181. REG(QSYS_STAT_CNT_CFG, 0x00f49c),
  182. REG(QSYS_EEE_CFG, 0x00f4a0),
  183. REG(QSYS_EEE_THRES, 0x00f4b8),
  184. REG(QSYS_IGR_NO_SHARING, 0x00f4bc),
  185. REG(QSYS_EGR_NO_SHARING, 0x00f4c0),
  186. REG(QSYS_SW_STATUS, 0x00f4c4),
  187. REG(QSYS_EXT_CPU_CFG, 0x00f4e0),
  188. REG_RESERVED(QSYS_PAD_CFG),
  189. REG(QSYS_CPU_GROUP_MAP, 0x00f4e8),
  190. REG_RESERVED(QSYS_QMAP),
  191. REG_RESERVED(QSYS_ISDX_SGRP),
  192. REG_RESERVED(QSYS_TIMED_FRAME_ENTRY),
  193. REG(QSYS_TFRM_MISC, 0x00f50c),
  194. REG(QSYS_TFRM_PORT_DLY, 0x00f510),
  195. REG(QSYS_TFRM_TIMER_CFG_1, 0x00f514),
  196. REG(QSYS_TFRM_TIMER_CFG_2, 0x00f518),
  197. REG(QSYS_TFRM_TIMER_CFG_3, 0x00f51c),
  198. REG(QSYS_TFRM_TIMER_CFG_4, 0x00f520),
  199. REG(QSYS_TFRM_TIMER_CFG_5, 0x00f524),
  200. REG(QSYS_TFRM_TIMER_CFG_6, 0x00f528),
  201. REG(QSYS_TFRM_TIMER_CFG_7, 0x00f52c),
  202. REG(QSYS_TFRM_TIMER_CFG_8, 0x00f530),
  203. REG(QSYS_RED_PROFILE, 0x00f534),
  204. REG(QSYS_RES_QOS_MODE, 0x00f574),
  205. REG(QSYS_RES_CFG, 0x00c000),
  206. REG(QSYS_RES_STAT, 0x00c004),
  207. REG(QSYS_EGR_DROP_MODE, 0x00f578),
  208. REG(QSYS_EQ_CTRL, 0x00f57c),
  209. REG_RESERVED(QSYS_EVENTS_CORE),
  210. REG(QSYS_QMAXSDU_CFG_0, 0x00f584),
  211. REG(QSYS_QMAXSDU_CFG_1, 0x00f5a0),
  212. REG(QSYS_QMAXSDU_CFG_2, 0x00f5bc),
  213. REG(QSYS_QMAXSDU_CFG_3, 0x00f5d8),
  214. REG(QSYS_QMAXSDU_CFG_4, 0x00f5f4),
  215. REG(QSYS_QMAXSDU_CFG_5, 0x00f610),
  216. REG(QSYS_QMAXSDU_CFG_6, 0x00f62c),
  217. REG(QSYS_QMAXSDU_CFG_7, 0x00f648),
  218. REG(QSYS_PREEMPTION_CFG, 0x00f664),
  219. REG(QSYS_CIR_CFG, 0x000000),
  220. REG(QSYS_EIR_CFG, 0x000004),
  221. REG(QSYS_SE_CFG, 0x000008),
  222. REG(QSYS_SE_DWRR_CFG, 0x00000c),
  223. REG_RESERVED(QSYS_SE_CONNECT),
  224. REG(QSYS_SE_DLB_SENSE, 0x000040),
  225. REG(QSYS_CIR_STATE, 0x000044),
  226. REG(QSYS_EIR_STATE, 0x000048),
  227. REG_RESERVED(QSYS_SE_STATE),
  228. REG(QSYS_HSCH_MISC_CFG, 0x00f67c),
  229. REG(QSYS_TAG_CONFIG, 0x00f680),
  230. REG(QSYS_TAS_PARAM_CFG_CTRL, 0x00f698),
  231. REG(QSYS_PORT_MAX_SDU, 0x00f69c),
  232. REG(QSYS_PARAM_CFG_REG_1, 0x00f440),
  233. REG(QSYS_PARAM_CFG_REG_2, 0x00f444),
  234. REG(QSYS_PARAM_CFG_REG_3, 0x00f448),
  235. REG(QSYS_PARAM_CFG_REG_4, 0x00f44c),
  236. REG(QSYS_PARAM_CFG_REG_5, 0x00f450),
  237. REG(QSYS_GCL_CFG_REG_1, 0x00f454),
  238. REG(QSYS_GCL_CFG_REG_2, 0x00f458),
  239. REG(QSYS_PARAM_STATUS_REG_1, 0x00f400),
  240. REG(QSYS_PARAM_STATUS_REG_2, 0x00f404),
  241. REG(QSYS_PARAM_STATUS_REG_3, 0x00f408),
  242. REG(QSYS_PARAM_STATUS_REG_4, 0x00f40c),
  243. REG(QSYS_PARAM_STATUS_REG_5, 0x00f410),
  244. REG(QSYS_PARAM_STATUS_REG_6, 0x00f414),
  245. REG(QSYS_PARAM_STATUS_REG_7, 0x00f418),
  246. REG(QSYS_PARAM_STATUS_REG_8, 0x00f41c),
  247. REG(QSYS_PARAM_STATUS_REG_9, 0x00f420),
  248. REG(QSYS_GCL_STATUS_REG_1, 0x00f424),
  249. REG(QSYS_GCL_STATUS_REG_2, 0x00f428),
  250. };
  251. static const u32 vsc9959_rew_regmap[] = {
  252. REG(REW_PORT_VLAN_CFG, 0x000000),
  253. REG(REW_TAG_CFG, 0x000004),
  254. REG(REW_PORT_CFG, 0x000008),
  255. REG(REW_DSCP_CFG, 0x00000c),
  256. REG(REW_PCP_DEI_QOS_MAP_CFG, 0x000010),
  257. REG(REW_PTP_CFG, 0x000050),
  258. REG(REW_PTP_DLY1_CFG, 0x000054),
  259. REG(REW_RED_TAG_CFG, 0x000058),
  260. REG(REW_DSCP_REMAP_DP1_CFG, 0x000410),
  261. REG(REW_DSCP_REMAP_CFG, 0x000510),
  262. REG_RESERVED(REW_STAT_CFG),
  263. REG_RESERVED(REW_REW_STICKY),
  264. REG_RESERVED(REW_PPT),
  265. };
  266. static const u32 vsc9959_sys_regmap[] = {
  267. REG(SYS_COUNT_RX_OCTETS, 0x000000),
  268. REG(SYS_COUNT_RX_UNICAST, 0x000004),
  269. REG(SYS_COUNT_RX_MULTICAST, 0x000008),
  270. REG(SYS_COUNT_RX_BROADCAST, 0x00000c),
  271. REG(SYS_COUNT_RX_SHORTS, 0x000010),
  272. REG(SYS_COUNT_RX_FRAGMENTS, 0x000014),
  273. REG(SYS_COUNT_RX_JABBERS, 0x000018),
  274. REG(SYS_COUNT_RX_CRC_ALIGN_ERRS, 0x00001c),
  275. REG(SYS_COUNT_RX_SYM_ERRS, 0x000020),
  276. REG(SYS_COUNT_RX_64, 0x000024),
  277. REG(SYS_COUNT_RX_65_127, 0x000028),
  278. REG(SYS_COUNT_RX_128_255, 0x00002c),
  279. REG(SYS_COUNT_RX_256_511, 0x000030),
  280. REG(SYS_COUNT_RX_512_1023, 0x000034),
  281. REG(SYS_COUNT_RX_1024_1526, 0x000038),
  282. REG(SYS_COUNT_RX_1527_MAX, 0x00003c),
  283. REG(SYS_COUNT_RX_PAUSE, 0x000040),
  284. REG(SYS_COUNT_RX_CONTROL, 0x000044),
  285. REG(SYS_COUNT_RX_LONGS, 0x000048),
  286. REG(SYS_COUNT_RX_CLASSIFIED_DROPS, 0x00004c),
  287. REG(SYS_COUNT_RX_RED_PRIO_0, 0x000050),
  288. REG(SYS_COUNT_RX_RED_PRIO_1, 0x000054),
  289. REG(SYS_COUNT_RX_RED_PRIO_2, 0x000058),
  290. REG(SYS_COUNT_RX_RED_PRIO_3, 0x00005c),
  291. REG(SYS_COUNT_RX_RED_PRIO_4, 0x000060),
  292. REG(SYS_COUNT_RX_RED_PRIO_5, 0x000064),
  293. REG(SYS_COUNT_RX_RED_PRIO_6, 0x000068),
  294. REG(SYS_COUNT_RX_RED_PRIO_7, 0x00006c),
  295. REG(SYS_COUNT_RX_YELLOW_PRIO_0, 0x000070),
  296. REG(SYS_COUNT_RX_YELLOW_PRIO_1, 0x000074),
  297. REG(SYS_COUNT_RX_YELLOW_PRIO_2, 0x000078),
  298. REG(SYS_COUNT_RX_YELLOW_PRIO_3, 0x00007c),
  299. REG(SYS_COUNT_RX_YELLOW_PRIO_4, 0x000080),
  300. REG(SYS_COUNT_RX_YELLOW_PRIO_5, 0x000084),
  301. REG(SYS_COUNT_RX_YELLOW_PRIO_6, 0x000088),
  302. REG(SYS_COUNT_RX_YELLOW_PRIO_7, 0x00008c),
  303. REG(SYS_COUNT_RX_GREEN_PRIO_0, 0x000090),
  304. REG(SYS_COUNT_RX_GREEN_PRIO_1, 0x000094),
  305. REG(SYS_COUNT_RX_GREEN_PRIO_2, 0x000098),
  306. REG(SYS_COUNT_RX_GREEN_PRIO_3, 0x00009c),
  307. REG(SYS_COUNT_RX_GREEN_PRIO_4, 0x0000a0),
  308. REG(SYS_COUNT_RX_GREEN_PRIO_5, 0x0000a4),
  309. REG(SYS_COUNT_RX_GREEN_PRIO_6, 0x0000a8),
  310. REG(SYS_COUNT_RX_GREEN_PRIO_7, 0x0000ac),
  311. REG(SYS_COUNT_TX_OCTETS, 0x000200),
  312. REG(SYS_COUNT_TX_UNICAST, 0x000204),
  313. REG(SYS_COUNT_TX_MULTICAST, 0x000208),
  314. REG(SYS_COUNT_TX_BROADCAST, 0x00020c),
  315. REG(SYS_COUNT_TX_COLLISION, 0x000210),
  316. REG(SYS_COUNT_TX_DROPS, 0x000214),
  317. REG(SYS_COUNT_TX_PAUSE, 0x000218),
  318. REG(SYS_COUNT_TX_64, 0x00021c),
  319. REG(SYS_COUNT_TX_65_127, 0x000220),
  320. REG(SYS_COUNT_TX_128_255, 0x000224),
  321. REG(SYS_COUNT_TX_256_511, 0x000228),
  322. REG(SYS_COUNT_TX_512_1023, 0x00022c),
  323. REG(SYS_COUNT_TX_1024_1526, 0x000230),
  324. REG(SYS_COUNT_TX_1527_MAX, 0x000234),
  325. REG(SYS_COUNT_TX_YELLOW_PRIO_0, 0x000238),
  326. REG(SYS_COUNT_TX_YELLOW_PRIO_1, 0x00023c),
  327. REG(SYS_COUNT_TX_YELLOW_PRIO_2, 0x000240),
  328. REG(SYS_COUNT_TX_YELLOW_PRIO_3, 0x000244),
  329. REG(SYS_COUNT_TX_YELLOW_PRIO_4, 0x000248),
  330. REG(SYS_COUNT_TX_YELLOW_PRIO_5, 0x00024c),
  331. REG(SYS_COUNT_TX_YELLOW_PRIO_6, 0x000250),
  332. REG(SYS_COUNT_TX_YELLOW_PRIO_7, 0x000254),
  333. REG(SYS_COUNT_TX_GREEN_PRIO_0, 0x000258),
  334. REG(SYS_COUNT_TX_GREEN_PRIO_1, 0x00025c),
  335. REG(SYS_COUNT_TX_GREEN_PRIO_2, 0x000260),
  336. REG(SYS_COUNT_TX_GREEN_PRIO_3, 0x000264),
  337. REG(SYS_COUNT_TX_GREEN_PRIO_4, 0x000268),
  338. REG(SYS_COUNT_TX_GREEN_PRIO_5, 0x00026c),
  339. REG(SYS_COUNT_TX_GREEN_PRIO_6, 0x000270),
  340. REG(SYS_COUNT_TX_GREEN_PRIO_7, 0x000274),
  341. REG(SYS_COUNT_TX_AGED, 0x000278),
  342. REG(SYS_COUNT_DROP_LOCAL, 0x000400),
  343. REG(SYS_COUNT_DROP_TAIL, 0x000404),
  344. REG(SYS_COUNT_DROP_YELLOW_PRIO_0, 0x000408),
  345. REG(SYS_COUNT_DROP_YELLOW_PRIO_1, 0x00040c),
  346. REG(SYS_COUNT_DROP_YELLOW_PRIO_2, 0x000410),
  347. REG(SYS_COUNT_DROP_YELLOW_PRIO_3, 0x000414),
  348. REG(SYS_COUNT_DROP_YELLOW_PRIO_4, 0x000418),
  349. REG(SYS_COUNT_DROP_YELLOW_PRIO_5, 0x00041c),
  350. REG(SYS_COUNT_DROP_YELLOW_PRIO_6, 0x000420),
  351. REG(SYS_COUNT_DROP_YELLOW_PRIO_7, 0x000424),
  352. REG(SYS_COUNT_DROP_GREEN_PRIO_0, 0x000428),
  353. REG(SYS_COUNT_DROP_GREEN_PRIO_1, 0x00042c),
  354. REG(SYS_COUNT_DROP_GREEN_PRIO_2, 0x000430),
  355. REG(SYS_COUNT_DROP_GREEN_PRIO_3, 0x000434),
  356. REG(SYS_COUNT_DROP_GREEN_PRIO_4, 0x000438),
  357. REG(SYS_COUNT_DROP_GREEN_PRIO_5, 0x00043c),
  358. REG(SYS_COUNT_DROP_GREEN_PRIO_6, 0x000440),
  359. REG(SYS_COUNT_DROP_GREEN_PRIO_7, 0x000444),
  360. REG(SYS_COUNT_SF_MATCHING_FRAMES, 0x000800),
  361. REG(SYS_COUNT_SF_NOT_PASSING_FRAMES, 0x000804),
  362. REG(SYS_COUNT_SF_NOT_PASSING_SDU, 0x000808),
  363. REG(SYS_COUNT_SF_RED_FRAMES, 0x00080c),
  364. REG(SYS_RESET_CFG, 0x000e00),
  365. REG(SYS_SR_ETYPE_CFG, 0x000e04),
  366. REG(SYS_VLAN_ETYPE_CFG, 0x000e08),
  367. REG(SYS_PORT_MODE, 0x000e0c),
  368. REG(SYS_FRONT_PORT_MODE, 0x000e2c),
  369. REG(SYS_FRM_AGING, 0x000e44),
  370. REG(SYS_STAT_CFG, 0x000e48),
  371. REG(SYS_SW_STATUS, 0x000e4c),
  372. REG_RESERVED(SYS_MISC_CFG),
  373. REG(SYS_REW_MAC_HIGH_CFG, 0x000e6c),
  374. REG(SYS_REW_MAC_LOW_CFG, 0x000e84),
  375. REG(SYS_TIMESTAMP_OFFSET, 0x000e9c),
  376. REG(SYS_PAUSE_CFG, 0x000ea0),
  377. REG(SYS_PAUSE_TOT_CFG, 0x000ebc),
  378. REG(SYS_ATOP, 0x000ec0),
  379. REG(SYS_ATOP_TOT_CFG, 0x000edc),
  380. REG(SYS_MAC_FC_CFG, 0x000ee0),
  381. REG(SYS_MMGT, 0x000ef8),
  382. REG_RESERVED(SYS_MMGT_FAST),
  383. REG_RESERVED(SYS_EVENTS_DIF),
  384. REG_RESERVED(SYS_EVENTS_CORE),
  385. REG(SYS_PTP_STATUS, 0x000f14),
  386. REG(SYS_PTP_TXSTAMP, 0x000f18),
  387. REG(SYS_PTP_NXT, 0x000f1c),
  388. REG(SYS_PTP_CFG, 0x000f20),
  389. REG(SYS_RAM_INIT, 0x000f24),
  390. REG_RESERVED(SYS_CM_ADDR),
  391. REG_RESERVED(SYS_CM_DATA_WR),
  392. REG_RESERVED(SYS_CM_DATA_RD),
  393. REG_RESERVED(SYS_CM_OP),
  394. REG_RESERVED(SYS_CM_DATA),
  395. };
  396. static const u32 vsc9959_ptp_regmap[] = {
  397. REG(PTP_PIN_CFG, 0x000000),
  398. REG(PTP_PIN_TOD_SEC_MSB, 0x000004),
  399. REG(PTP_PIN_TOD_SEC_LSB, 0x000008),
  400. REG(PTP_PIN_TOD_NSEC, 0x00000c),
  401. REG(PTP_PIN_WF_HIGH_PERIOD, 0x000014),
  402. REG(PTP_PIN_WF_LOW_PERIOD, 0x000018),
  403. REG(PTP_CFG_MISC, 0x0000a0),
  404. REG(PTP_CLK_CFG_ADJ_CFG, 0x0000a4),
  405. REG(PTP_CLK_CFG_ADJ_FREQ, 0x0000a8),
  406. };
  407. static const u32 vsc9959_gcb_regmap[] = {
  408. REG(GCB_SOFT_RST, 0x000004),
  409. };
  410. static const u32 vsc9959_dev_gmii_regmap[] = {
  411. REG(DEV_CLOCK_CFG, 0x0),
  412. REG(DEV_PORT_MISC, 0x4),
  413. REG(DEV_EVENTS, 0x8),
  414. REG(DEV_EEE_CFG, 0xc),
  415. REG(DEV_RX_PATH_DELAY, 0x10),
  416. REG(DEV_TX_PATH_DELAY, 0x14),
  417. REG(DEV_PTP_PREDICT_CFG, 0x18),
  418. REG(DEV_MAC_ENA_CFG, 0x1c),
  419. REG(DEV_MAC_MODE_CFG, 0x20),
  420. REG(DEV_MAC_MAXLEN_CFG, 0x24),
  421. REG(DEV_MAC_TAGS_CFG, 0x28),
  422. REG(DEV_MAC_ADV_CHK_CFG, 0x2c),
  423. REG(DEV_MAC_IFG_CFG, 0x30),
  424. REG(DEV_MAC_HDX_CFG, 0x34),
  425. REG(DEV_MAC_DBG_CFG, 0x38),
  426. REG(DEV_MAC_FC_MAC_LOW_CFG, 0x3c),
  427. REG(DEV_MAC_FC_MAC_HIGH_CFG, 0x40),
  428. REG(DEV_MAC_STICKY, 0x44),
  429. REG_RESERVED(PCS1G_CFG),
  430. REG_RESERVED(PCS1G_MODE_CFG),
  431. REG_RESERVED(PCS1G_SD_CFG),
  432. REG_RESERVED(PCS1G_ANEG_CFG),
  433. REG_RESERVED(PCS1G_ANEG_NP_CFG),
  434. REG_RESERVED(PCS1G_LB_CFG),
  435. REG_RESERVED(PCS1G_DBG_CFG),
  436. REG_RESERVED(PCS1G_CDET_CFG),
  437. REG_RESERVED(PCS1G_ANEG_STATUS),
  438. REG_RESERVED(PCS1G_ANEG_NP_STATUS),
  439. REG_RESERVED(PCS1G_LINK_STATUS),
  440. REG_RESERVED(PCS1G_LINK_DOWN_CNT),
  441. REG_RESERVED(PCS1G_STICKY),
  442. REG_RESERVED(PCS1G_DEBUG_STATUS),
  443. REG_RESERVED(PCS1G_LPI_CFG),
  444. REG_RESERVED(PCS1G_LPI_WAKE_ERROR_CNT),
  445. REG_RESERVED(PCS1G_LPI_STATUS),
  446. REG_RESERVED(PCS1G_TSTPAT_MODE_CFG),
  447. REG_RESERVED(PCS1G_TSTPAT_STATUS),
  448. REG_RESERVED(DEV_PCS_FX100_CFG),
  449. REG_RESERVED(DEV_PCS_FX100_STATUS),
  450. };
  451. static const u32 *vsc9959_regmap[TARGET_MAX] = {
  452. [ANA] = vsc9959_ana_regmap,
  453. [QS] = vsc9959_qs_regmap,
  454. [QSYS] = vsc9959_qsys_regmap,
  455. [REW] = vsc9959_rew_regmap,
  456. [SYS] = vsc9959_sys_regmap,
  457. [S0] = vsc9959_vcap_regmap,
  458. [S1] = vsc9959_vcap_regmap,
  459. [S2] = vsc9959_vcap_regmap,
  460. [PTP] = vsc9959_ptp_regmap,
  461. [GCB] = vsc9959_gcb_regmap,
  462. [DEV_GMII] = vsc9959_dev_gmii_regmap,
  463. };
  464. /* Addresses are relative to the PCI device's base address */
  465. static const struct resource vsc9959_resources[] = {
  466. DEFINE_RES_MEM_NAMED(0x0010000, 0x0010000, "sys"),
  467. DEFINE_RES_MEM_NAMED(0x0030000, 0x0010000, "rew"),
  468. DEFINE_RES_MEM_NAMED(0x0040000, 0x0000400, "s0"),
  469. DEFINE_RES_MEM_NAMED(0x0050000, 0x0000400, "s1"),
  470. DEFINE_RES_MEM_NAMED(0x0060000, 0x0000400, "s2"),
  471. DEFINE_RES_MEM_NAMED(0x0070000, 0x0000200, "devcpu_gcb"),
  472. DEFINE_RES_MEM_NAMED(0x0080000, 0x0000100, "qs"),
  473. DEFINE_RES_MEM_NAMED(0x0090000, 0x00000cc, "ptp"),
  474. DEFINE_RES_MEM_NAMED(0x0100000, 0x0010000, "port0"),
  475. DEFINE_RES_MEM_NAMED(0x0110000, 0x0010000, "port1"),
  476. DEFINE_RES_MEM_NAMED(0x0120000, 0x0010000, "port2"),
  477. DEFINE_RES_MEM_NAMED(0x0130000, 0x0010000, "port3"),
  478. DEFINE_RES_MEM_NAMED(0x0140000, 0x0010000, "port4"),
  479. DEFINE_RES_MEM_NAMED(0x0150000, 0x0010000, "port5"),
  480. DEFINE_RES_MEM_NAMED(0x0200000, 0x0020000, "qsys"),
  481. DEFINE_RES_MEM_NAMED(0x0280000, 0x0010000, "ana"),
  482. };
  483. static const char * const vsc9959_resource_names[TARGET_MAX] = {
  484. [SYS] = "sys",
  485. [REW] = "rew",
  486. [S0] = "s0",
  487. [S1] = "s1",
  488. [S2] = "s2",
  489. [GCB] = "devcpu_gcb",
  490. [QS] = "qs",
  491. [PTP] = "ptp",
  492. [QSYS] = "qsys",
  493. [ANA] = "ana",
  494. };
  495. /* Port MAC 0 Internal MDIO bus through which the SerDes acting as an
  496. * SGMII/QSGMII MAC PCS can be found.
  497. */
  498. static const struct resource vsc9959_imdio_res =
  499. DEFINE_RES_MEM_NAMED(0x8030, 0x10, "imdio");
  500. static const struct reg_field vsc9959_regfields[REGFIELD_MAX] = {
  501. [ANA_ADVLEARN_VLAN_CHK] = REG_FIELD(ANA_ADVLEARN, 6, 6),
  502. [ANA_ADVLEARN_LEARN_MIRROR] = REG_FIELD(ANA_ADVLEARN, 0, 5),
  503. [ANA_ANEVENTS_FLOOD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 30, 30),
  504. [ANA_ANEVENTS_AUTOAGE] = REG_FIELD(ANA_ANEVENTS, 26, 26),
  505. [ANA_ANEVENTS_STORM_DROP] = REG_FIELD(ANA_ANEVENTS, 24, 24),
  506. [ANA_ANEVENTS_LEARN_DROP] = REG_FIELD(ANA_ANEVENTS, 23, 23),
  507. [ANA_ANEVENTS_AGED_ENTRY] = REG_FIELD(ANA_ANEVENTS, 22, 22),
  508. [ANA_ANEVENTS_CPU_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 21, 21),
  509. [ANA_ANEVENTS_AUTO_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 20, 20),
  510. [ANA_ANEVENTS_LEARN_REMOVE] = REG_FIELD(ANA_ANEVENTS, 19, 19),
  511. [ANA_ANEVENTS_AUTO_LEARNED] = REG_FIELD(ANA_ANEVENTS, 18, 18),
  512. [ANA_ANEVENTS_AUTO_MOVED] = REG_FIELD(ANA_ANEVENTS, 17, 17),
  513. [ANA_ANEVENTS_CLASSIFIED_DROP] = REG_FIELD(ANA_ANEVENTS, 15, 15),
  514. [ANA_ANEVENTS_CLASSIFIED_COPY] = REG_FIELD(ANA_ANEVENTS, 14, 14),
  515. [ANA_ANEVENTS_VLAN_DISCARD] = REG_FIELD(ANA_ANEVENTS, 13, 13),
  516. [ANA_ANEVENTS_FWD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 12, 12),
  517. [ANA_ANEVENTS_MULTICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 11, 11),
  518. [ANA_ANEVENTS_UNICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 10, 10),
  519. [ANA_ANEVENTS_DEST_KNOWN] = REG_FIELD(ANA_ANEVENTS, 9, 9),
  520. [ANA_ANEVENTS_BUCKET3_MATCH] = REG_FIELD(ANA_ANEVENTS, 8, 8),
  521. [ANA_ANEVENTS_BUCKET2_MATCH] = REG_FIELD(ANA_ANEVENTS, 7, 7),
  522. [ANA_ANEVENTS_BUCKET1_MATCH] = REG_FIELD(ANA_ANEVENTS, 6, 6),
  523. [ANA_ANEVENTS_BUCKET0_MATCH] = REG_FIELD(ANA_ANEVENTS, 5, 5),
  524. [ANA_ANEVENTS_CPU_OPERATION] = REG_FIELD(ANA_ANEVENTS, 4, 4),
  525. [ANA_ANEVENTS_DMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 3, 3),
  526. [ANA_ANEVENTS_SMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 2, 2),
  527. [ANA_ANEVENTS_SEQ_GEN_ERR_0] = REG_FIELD(ANA_ANEVENTS, 1, 1),
  528. [ANA_ANEVENTS_SEQ_GEN_ERR_1] = REG_FIELD(ANA_ANEVENTS, 0, 0),
  529. [ANA_TABLES_MACACCESS_B_DOM] = REG_FIELD(ANA_TABLES_MACACCESS, 16, 16),
  530. [ANA_TABLES_MACTINDX_BUCKET] = REG_FIELD(ANA_TABLES_MACTINDX, 11, 12),
  531. [ANA_TABLES_MACTINDX_M_INDEX] = REG_FIELD(ANA_TABLES_MACTINDX, 0, 10),
  532. [SYS_RESET_CFG_CORE_ENA] = REG_FIELD(SYS_RESET_CFG, 0, 0),
  533. [GCB_SOFT_RST_SWC_RST] = REG_FIELD(GCB_SOFT_RST, 0, 0),
  534. /* Replicated per number of ports (7), register size 4 per port */
  535. [QSYS_SWITCH_PORT_MODE_PORT_ENA] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 14, 14, 7, 4),
  536. [QSYS_SWITCH_PORT_MODE_SCH_NEXT_CFG] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 11, 13, 7, 4),
  537. [QSYS_SWITCH_PORT_MODE_YEL_RSRVD] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 10, 10, 7, 4),
  538. [QSYS_SWITCH_PORT_MODE_INGRESS_DROP_MODE] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 9, 9, 7, 4),
  539. [QSYS_SWITCH_PORT_MODE_TX_PFC_ENA] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 1, 8, 7, 4),
  540. [QSYS_SWITCH_PORT_MODE_TX_PFC_MODE] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 0, 0, 7, 4),
  541. [SYS_PORT_MODE_DATA_WO_TS] = REG_FIELD_ID(SYS_PORT_MODE, 5, 6, 7, 4),
  542. [SYS_PORT_MODE_INCL_INJ_HDR] = REG_FIELD_ID(SYS_PORT_MODE, 3, 4, 7, 4),
  543. [SYS_PORT_MODE_INCL_XTR_HDR] = REG_FIELD_ID(SYS_PORT_MODE, 1, 2, 7, 4),
  544. [SYS_PORT_MODE_INCL_HDR_ERR] = REG_FIELD_ID(SYS_PORT_MODE, 0, 0, 7, 4),
  545. [SYS_PAUSE_CFG_PAUSE_START] = REG_FIELD_ID(SYS_PAUSE_CFG, 10, 18, 7, 4),
  546. [SYS_PAUSE_CFG_PAUSE_STOP] = REG_FIELD_ID(SYS_PAUSE_CFG, 1, 9, 7, 4),
  547. [SYS_PAUSE_CFG_PAUSE_ENA] = REG_FIELD_ID(SYS_PAUSE_CFG, 0, 1, 7, 4),
  548. };
  549. static const struct ocelot_stat_layout vsc9959_stats_layout[OCELOT_NUM_STATS] = {
  550. OCELOT_COMMON_STATS,
  551. };
  552. static const struct vcap_field vsc9959_vcap_es0_keys[] = {
  553. [VCAP_ES0_EGR_PORT] = { 0, 3},
  554. [VCAP_ES0_IGR_PORT] = { 3, 3},
  555. [VCAP_ES0_RSV] = { 6, 2},
  556. [VCAP_ES0_L2_MC] = { 8, 1},
  557. [VCAP_ES0_L2_BC] = { 9, 1},
  558. [VCAP_ES0_VID] = { 10, 12},
  559. [VCAP_ES0_DP] = { 22, 1},
  560. [VCAP_ES0_PCP] = { 23, 3},
  561. };
  562. static const struct vcap_field vsc9959_vcap_es0_actions[] = {
  563. [VCAP_ES0_ACT_PUSH_OUTER_TAG] = { 0, 2},
  564. [VCAP_ES0_ACT_PUSH_INNER_TAG] = { 2, 1},
  565. [VCAP_ES0_ACT_TAG_A_TPID_SEL] = { 3, 2},
  566. [VCAP_ES0_ACT_TAG_A_VID_SEL] = { 5, 1},
  567. [VCAP_ES0_ACT_TAG_A_PCP_SEL] = { 6, 2},
  568. [VCAP_ES0_ACT_TAG_A_DEI_SEL] = { 8, 2},
  569. [VCAP_ES0_ACT_TAG_B_TPID_SEL] = { 10, 2},
  570. [VCAP_ES0_ACT_TAG_B_VID_SEL] = { 12, 1},
  571. [VCAP_ES0_ACT_TAG_B_PCP_SEL] = { 13, 2},
  572. [VCAP_ES0_ACT_TAG_B_DEI_SEL] = { 15, 2},
  573. [VCAP_ES0_ACT_VID_A_VAL] = { 17, 12},
  574. [VCAP_ES0_ACT_PCP_A_VAL] = { 29, 3},
  575. [VCAP_ES0_ACT_DEI_A_VAL] = { 32, 1},
  576. [VCAP_ES0_ACT_VID_B_VAL] = { 33, 12},
  577. [VCAP_ES0_ACT_PCP_B_VAL] = { 45, 3},
  578. [VCAP_ES0_ACT_DEI_B_VAL] = { 48, 1},
  579. [VCAP_ES0_ACT_RSV] = { 49, 23},
  580. [VCAP_ES0_ACT_HIT_STICKY] = { 72, 1},
  581. };
  582. static const struct vcap_field vsc9959_vcap_is1_keys[] = {
  583. [VCAP_IS1_HK_TYPE] = { 0, 1},
  584. [VCAP_IS1_HK_LOOKUP] = { 1, 2},
  585. [VCAP_IS1_HK_IGR_PORT_MASK] = { 3, 7},
  586. [VCAP_IS1_HK_RSV] = { 10, 9},
  587. [VCAP_IS1_HK_OAM_Y1731] = { 19, 1},
  588. [VCAP_IS1_HK_L2_MC] = { 20, 1},
  589. [VCAP_IS1_HK_L2_BC] = { 21, 1},
  590. [VCAP_IS1_HK_IP_MC] = { 22, 1},
  591. [VCAP_IS1_HK_VLAN_TAGGED] = { 23, 1},
  592. [VCAP_IS1_HK_VLAN_DBL_TAGGED] = { 24, 1},
  593. [VCAP_IS1_HK_TPID] = { 25, 1},
  594. [VCAP_IS1_HK_VID] = { 26, 12},
  595. [VCAP_IS1_HK_DEI] = { 38, 1},
  596. [VCAP_IS1_HK_PCP] = { 39, 3},
  597. /* Specific Fields for IS1 Half Key S1_NORMAL */
  598. [VCAP_IS1_HK_L2_SMAC] = { 42, 48},
  599. [VCAP_IS1_HK_ETYPE_LEN] = { 90, 1},
  600. [VCAP_IS1_HK_ETYPE] = { 91, 16},
  601. [VCAP_IS1_HK_IP_SNAP] = {107, 1},
  602. [VCAP_IS1_HK_IP4] = {108, 1},
  603. /* Layer-3 Information */
  604. [VCAP_IS1_HK_L3_FRAGMENT] = {109, 1},
  605. [VCAP_IS1_HK_L3_FRAG_OFS_GT0] = {110, 1},
  606. [VCAP_IS1_HK_L3_OPTIONS] = {111, 1},
  607. [VCAP_IS1_HK_L3_DSCP] = {112, 6},
  608. [VCAP_IS1_HK_L3_IP4_SIP] = {118, 32},
  609. /* Layer-4 Information */
  610. [VCAP_IS1_HK_TCP_UDP] = {150, 1},
  611. [VCAP_IS1_HK_TCP] = {151, 1},
  612. [VCAP_IS1_HK_L4_SPORT] = {152, 16},
  613. [VCAP_IS1_HK_L4_RNG] = {168, 8},
  614. /* Specific Fields for IS1 Half Key S1_5TUPLE_IP4 */
  615. [VCAP_IS1_HK_IP4_INNER_TPID] = { 42, 1},
  616. [VCAP_IS1_HK_IP4_INNER_VID] = { 43, 12},
  617. [VCAP_IS1_HK_IP4_INNER_DEI] = { 55, 1},
  618. [VCAP_IS1_HK_IP4_INNER_PCP] = { 56, 3},
  619. [VCAP_IS1_HK_IP4_IP4] = { 59, 1},
  620. [VCAP_IS1_HK_IP4_L3_FRAGMENT] = { 60, 1},
  621. [VCAP_IS1_HK_IP4_L3_FRAG_OFS_GT0] = { 61, 1},
  622. [VCAP_IS1_HK_IP4_L3_OPTIONS] = { 62, 1},
  623. [VCAP_IS1_HK_IP4_L3_DSCP] = { 63, 6},
  624. [VCAP_IS1_HK_IP4_L3_IP4_DIP] = { 69, 32},
  625. [VCAP_IS1_HK_IP4_L3_IP4_SIP] = {101, 32},
  626. [VCAP_IS1_HK_IP4_L3_PROTO] = {133, 8},
  627. [VCAP_IS1_HK_IP4_TCP_UDP] = {141, 1},
  628. [VCAP_IS1_HK_IP4_TCP] = {142, 1},
  629. [VCAP_IS1_HK_IP4_L4_RNG] = {143, 8},
  630. [VCAP_IS1_HK_IP4_IP_PAYLOAD_S1_5TUPLE] = {151, 32},
  631. };
  632. static const struct vcap_field vsc9959_vcap_is1_actions[] = {
  633. [VCAP_IS1_ACT_DSCP_ENA] = { 0, 1},
  634. [VCAP_IS1_ACT_DSCP_VAL] = { 1, 6},
  635. [VCAP_IS1_ACT_QOS_ENA] = { 7, 1},
  636. [VCAP_IS1_ACT_QOS_VAL] = { 8, 3},
  637. [VCAP_IS1_ACT_DP_ENA] = { 11, 1},
  638. [VCAP_IS1_ACT_DP_VAL] = { 12, 1},
  639. [VCAP_IS1_ACT_PAG_OVERRIDE_MASK] = { 13, 8},
  640. [VCAP_IS1_ACT_PAG_VAL] = { 21, 8},
  641. [VCAP_IS1_ACT_RSV] = { 29, 9},
  642. /* The fields below are incorrectly shifted by 2 in the manual */
  643. [VCAP_IS1_ACT_VID_REPLACE_ENA] = { 38, 1},
  644. [VCAP_IS1_ACT_VID_ADD_VAL] = { 39, 12},
  645. [VCAP_IS1_ACT_FID_SEL] = { 51, 2},
  646. [VCAP_IS1_ACT_FID_VAL] = { 53, 13},
  647. [VCAP_IS1_ACT_PCP_DEI_ENA] = { 66, 1},
  648. [VCAP_IS1_ACT_PCP_VAL] = { 67, 3},
  649. [VCAP_IS1_ACT_DEI_VAL] = { 70, 1},
  650. [VCAP_IS1_ACT_VLAN_POP_CNT_ENA] = { 71, 1},
  651. [VCAP_IS1_ACT_VLAN_POP_CNT] = { 72, 2},
  652. [VCAP_IS1_ACT_CUSTOM_ACE_TYPE_ENA] = { 74, 4},
  653. [VCAP_IS1_ACT_HIT_STICKY] = { 78, 1},
  654. };
  655. static struct vcap_field vsc9959_vcap_is2_keys[] = {
  656. /* Common: 41 bits */
  657. [VCAP_IS2_TYPE] = { 0, 4},
  658. [VCAP_IS2_HK_FIRST] = { 4, 1},
  659. [VCAP_IS2_HK_PAG] = { 5, 8},
  660. [VCAP_IS2_HK_IGR_PORT_MASK] = { 13, 7},
  661. [VCAP_IS2_HK_RSV2] = { 20, 1},
  662. [VCAP_IS2_HK_HOST_MATCH] = { 21, 1},
  663. [VCAP_IS2_HK_L2_MC] = { 22, 1},
  664. [VCAP_IS2_HK_L2_BC] = { 23, 1},
  665. [VCAP_IS2_HK_VLAN_TAGGED] = { 24, 1},
  666. [VCAP_IS2_HK_VID] = { 25, 12},
  667. [VCAP_IS2_HK_DEI] = { 37, 1},
  668. [VCAP_IS2_HK_PCP] = { 38, 3},
  669. /* MAC_ETYPE / MAC_LLC / MAC_SNAP / OAM common */
  670. [VCAP_IS2_HK_L2_DMAC] = { 41, 48},
  671. [VCAP_IS2_HK_L2_SMAC] = { 89, 48},
  672. /* MAC_ETYPE (TYPE=000) */
  673. [VCAP_IS2_HK_MAC_ETYPE_ETYPE] = {137, 16},
  674. [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD0] = {153, 16},
  675. [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD1] = {169, 8},
  676. [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD2] = {177, 3},
  677. /* MAC_LLC (TYPE=001) */
  678. [VCAP_IS2_HK_MAC_LLC_L2_LLC] = {137, 40},
  679. /* MAC_SNAP (TYPE=010) */
  680. [VCAP_IS2_HK_MAC_SNAP_L2_SNAP] = {137, 40},
  681. /* MAC_ARP (TYPE=011) */
  682. [VCAP_IS2_HK_MAC_ARP_SMAC] = { 41, 48},
  683. [VCAP_IS2_HK_MAC_ARP_ADDR_SPACE_OK] = { 89, 1},
  684. [VCAP_IS2_HK_MAC_ARP_PROTO_SPACE_OK] = { 90, 1},
  685. [VCAP_IS2_HK_MAC_ARP_LEN_OK] = { 91, 1},
  686. [VCAP_IS2_HK_MAC_ARP_TARGET_MATCH] = { 92, 1},
  687. [VCAP_IS2_HK_MAC_ARP_SENDER_MATCH] = { 93, 1},
  688. [VCAP_IS2_HK_MAC_ARP_OPCODE_UNKNOWN] = { 94, 1},
  689. [VCAP_IS2_HK_MAC_ARP_OPCODE] = { 95, 2},
  690. [VCAP_IS2_HK_MAC_ARP_L3_IP4_DIP] = { 97, 32},
  691. [VCAP_IS2_HK_MAC_ARP_L3_IP4_SIP] = {129, 32},
  692. [VCAP_IS2_HK_MAC_ARP_DIP_EQ_SIP] = {161, 1},
  693. /* IP4_TCP_UDP / IP4_OTHER common */
  694. [VCAP_IS2_HK_IP4] = { 41, 1},
  695. [VCAP_IS2_HK_L3_FRAGMENT] = { 42, 1},
  696. [VCAP_IS2_HK_L3_FRAG_OFS_GT0] = { 43, 1},
  697. [VCAP_IS2_HK_L3_OPTIONS] = { 44, 1},
  698. [VCAP_IS2_HK_IP4_L3_TTL_GT0] = { 45, 1},
  699. [VCAP_IS2_HK_L3_TOS] = { 46, 8},
  700. [VCAP_IS2_HK_L3_IP4_DIP] = { 54, 32},
  701. [VCAP_IS2_HK_L3_IP4_SIP] = { 86, 32},
  702. [VCAP_IS2_HK_DIP_EQ_SIP] = {118, 1},
  703. /* IP4_TCP_UDP (TYPE=100) */
  704. [VCAP_IS2_HK_TCP] = {119, 1},
  705. [VCAP_IS2_HK_L4_DPORT] = {120, 16},
  706. [VCAP_IS2_HK_L4_SPORT] = {136, 16},
  707. [VCAP_IS2_HK_L4_RNG] = {152, 8},
  708. [VCAP_IS2_HK_L4_SPORT_EQ_DPORT] = {160, 1},
  709. [VCAP_IS2_HK_L4_SEQUENCE_EQ0] = {161, 1},
  710. [VCAP_IS2_HK_L4_FIN] = {162, 1},
  711. [VCAP_IS2_HK_L4_SYN] = {163, 1},
  712. [VCAP_IS2_HK_L4_RST] = {164, 1},
  713. [VCAP_IS2_HK_L4_PSH] = {165, 1},
  714. [VCAP_IS2_HK_L4_ACK] = {166, 1},
  715. [VCAP_IS2_HK_L4_URG] = {167, 1},
  716. [VCAP_IS2_HK_L4_1588_DOM] = {168, 8},
  717. [VCAP_IS2_HK_L4_1588_VER] = {176, 4},
  718. /* IP4_OTHER (TYPE=101) */
  719. [VCAP_IS2_HK_IP4_L3_PROTO] = {119, 8},
  720. [VCAP_IS2_HK_L3_PAYLOAD] = {127, 56},
  721. /* IP6_STD (TYPE=110) */
  722. [VCAP_IS2_HK_IP6_L3_TTL_GT0] = { 41, 1},
  723. [VCAP_IS2_HK_L3_IP6_SIP] = { 42, 128},
  724. [VCAP_IS2_HK_IP6_L3_PROTO] = {170, 8},
  725. /* OAM (TYPE=111) */
  726. [VCAP_IS2_HK_OAM_MEL_FLAGS] = {137, 7},
  727. [VCAP_IS2_HK_OAM_VER] = {144, 5},
  728. [VCAP_IS2_HK_OAM_OPCODE] = {149, 8},
  729. [VCAP_IS2_HK_OAM_FLAGS] = {157, 8},
  730. [VCAP_IS2_HK_OAM_MEPID] = {165, 16},
  731. [VCAP_IS2_HK_OAM_CCM_CNTS_EQ0] = {181, 1},
  732. [VCAP_IS2_HK_OAM_IS_Y1731] = {182, 1},
  733. };
  734. static struct vcap_field vsc9959_vcap_is2_actions[] = {
  735. [VCAP_IS2_ACT_HIT_ME_ONCE] = { 0, 1},
  736. [VCAP_IS2_ACT_CPU_COPY_ENA] = { 1, 1},
  737. [VCAP_IS2_ACT_CPU_QU_NUM] = { 2, 3},
  738. [VCAP_IS2_ACT_MASK_MODE] = { 5, 2},
  739. [VCAP_IS2_ACT_MIRROR_ENA] = { 7, 1},
  740. [VCAP_IS2_ACT_LRN_DIS] = { 8, 1},
  741. [VCAP_IS2_ACT_POLICE_ENA] = { 9, 1},
  742. [VCAP_IS2_ACT_POLICE_IDX] = { 10, 9},
  743. [VCAP_IS2_ACT_POLICE_VCAP_ONLY] = { 19, 1},
  744. [VCAP_IS2_ACT_PORT_MASK] = { 20, 6},
  745. [VCAP_IS2_ACT_REW_OP] = { 26, 9},
  746. [VCAP_IS2_ACT_SMAC_REPLACE_ENA] = { 35, 1},
  747. [VCAP_IS2_ACT_RSV] = { 36, 2},
  748. [VCAP_IS2_ACT_ACL_ID] = { 38, 6},
  749. [VCAP_IS2_ACT_HIT_CNT] = { 44, 32},
  750. };
  751. static struct vcap_props vsc9959_vcap_props[] = {
  752. [VCAP_ES0] = {
  753. .action_type_width = 0,
  754. .action_table = {
  755. [ES0_ACTION_TYPE_NORMAL] = {
  756. .width = 72, /* HIT_STICKY not included */
  757. .count = 1,
  758. },
  759. },
  760. .target = S0,
  761. .keys = vsc9959_vcap_es0_keys,
  762. .actions = vsc9959_vcap_es0_actions,
  763. },
  764. [VCAP_IS1] = {
  765. .action_type_width = 0,
  766. .action_table = {
  767. [IS1_ACTION_TYPE_NORMAL] = {
  768. .width = 78, /* HIT_STICKY not included */
  769. .count = 4,
  770. },
  771. },
  772. .target = S1,
  773. .keys = vsc9959_vcap_is1_keys,
  774. .actions = vsc9959_vcap_is1_actions,
  775. },
  776. [VCAP_IS2] = {
  777. .action_type_width = 1,
  778. .action_table = {
  779. [IS2_ACTION_TYPE_NORMAL] = {
  780. .width = 44,
  781. .count = 2
  782. },
  783. [IS2_ACTION_TYPE_SMAC_SIP] = {
  784. .width = 6,
  785. .count = 4
  786. },
  787. },
  788. .target = S2,
  789. .keys = vsc9959_vcap_is2_keys,
  790. .actions = vsc9959_vcap_is2_actions,
  791. },
  792. };
  793. static const struct ptp_clock_info vsc9959_ptp_caps = {
  794. .owner = THIS_MODULE,
  795. .name = "felix ptp",
  796. .max_adj = 0x7fffffff,
  797. .n_alarm = 0,
  798. .n_ext_ts = 0,
  799. .n_per_out = OCELOT_PTP_PINS_NUM,
  800. .n_pins = OCELOT_PTP_PINS_NUM,
  801. .pps = 0,
  802. .gettime64 = ocelot_ptp_gettime64,
  803. .settime64 = ocelot_ptp_settime64,
  804. .adjtime = ocelot_ptp_adjtime,
  805. .adjfine = ocelot_ptp_adjfine,
  806. .verify = ocelot_ptp_verify,
  807. .enable = ocelot_ptp_enable,
  808. };
  809. #define VSC9959_INIT_TIMEOUT 50000
  810. #define VSC9959_GCB_RST_SLEEP 100
  811. #define VSC9959_SYS_RAMINIT_SLEEP 80
  812. static int vsc9959_gcb_soft_rst_status(struct ocelot *ocelot)
  813. {
  814. int val;
  815. ocelot_field_read(ocelot, GCB_SOFT_RST_SWC_RST, &val);
  816. return val;
  817. }
  818. static int vsc9959_sys_ram_init_status(struct ocelot *ocelot)
  819. {
  820. return ocelot_read(ocelot, SYS_RAM_INIT);
  821. }
  822. /* CORE_ENA is in SYS:SYSTEM:RESET_CFG
  823. * RAM_INIT is in SYS:RAM_CTRL:RAM_INIT
  824. */
  825. static int vsc9959_reset(struct ocelot *ocelot)
  826. {
  827. int val, err;
  828. /* soft-reset the switch core */
  829. ocelot_field_write(ocelot, GCB_SOFT_RST_SWC_RST, 1);
  830. err = readx_poll_timeout(vsc9959_gcb_soft_rst_status, ocelot, val, !val,
  831. VSC9959_GCB_RST_SLEEP, VSC9959_INIT_TIMEOUT);
  832. if (err) {
  833. dev_err(ocelot->dev, "timeout: switch core reset\n");
  834. return err;
  835. }
  836. /* initialize switch mem ~40us */
  837. ocelot_write(ocelot, SYS_RAM_INIT_RAM_INIT, SYS_RAM_INIT);
  838. err = readx_poll_timeout(vsc9959_sys_ram_init_status, ocelot, val, !val,
  839. VSC9959_SYS_RAMINIT_SLEEP,
  840. VSC9959_INIT_TIMEOUT);
  841. if (err) {
  842. dev_err(ocelot->dev, "timeout: switch sram init\n");
  843. return err;
  844. }
  845. /* enable switch core */
  846. ocelot_field_write(ocelot, SYS_RESET_CFG_CORE_ENA, 1);
  847. return 0;
  848. }
  849. static void vsc9959_phylink_validate(struct ocelot *ocelot, int port,
  850. unsigned long *supported,
  851. struct phylink_link_state *state)
  852. {
  853. __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
  854. phylink_set_port_modes(mask);
  855. phylink_set(mask, Autoneg);
  856. phylink_set(mask, Pause);
  857. phylink_set(mask, Asym_Pause);
  858. phylink_set(mask, 10baseT_Half);
  859. phylink_set(mask, 10baseT_Full);
  860. phylink_set(mask, 100baseT_Half);
  861. phylink_set(mask, 100baseT_Full);
  862. phylink_set(mask, 1000baseT_Half);
  863. phylink_set(mask, 1000baseT_Full);
  864. phylink_set(mask, 1000baseX_Full);
  865. if (state->interface == PHY_INTERFACE_MODE_INTERNAL ||
  866. state->interface == PHY_INTERFACE_MODE_2500BASEX ||
  867. state->interface == PHY_INTERFACE_MODE_USXGMII) {
  868. phylink_set(mask, 2500baseT_Full);
  869. phylink_set(mask, 2500baseX_Full);
  870. }
  871. linkmode_and(supported, supported, mask);
  872. linkmode_and(state->advertising, state->advertising, mask);
  873. }
  874. /* Watermark encode
  875. * Bit 8: Unit; 0:1, 1:16
  876. * Bit 7-0: Value to be multiplied with unit
  877. */
  878. static u16 vsc9959_wm_enc(u16 value)
  879. {
  880. WARN_ON(value >= 16 * BIT(8));
  881. if (value >= BIT(8))
  882. return BIT(8) | (value / 16);
  883. return value;
  884. }
  885. static u16 vsc9959_wm_dec(u16 wm)
  886. {
  887. WARN_ON(wm & ~GENMASK(8, 0));
  888. if (wm & BIT(8))
  889. return (wm & GENMASK(7, 0)) * 16;
  890. return wm;
  891. }
  892. static void vsc9959_wm_stat(u32 val, u32 *inuse, u32 *maxuse)
  893. {
  894. *inuse = (val & GENMASK(23, 12)) >> 12;
  895. *maxuse = val & GENMASK(11, 0);
  896. }
  897. static int vsc9959_mdio_bus_alloc(struct ocelot *ocelot)
  898. {
  899. struct pci_dev *pdev = to_pci_dev(ocelot->dev);
  900. struct felix *felix = ocelot_to_felix(ocelot);
  901. struct enetc_mdio_priv *mdio_priv;
  902. struct device *dev = ocelot->dev;
  903. resource_size_t imdio_base;
  904. void __iomem *imdio_regs;
  905. struct resource res;
  906. struct enetc_hw *hw;
  907. struct mii_bus *bus;
  908. int port;
  909. int rc;
  910. felix->pcs = devm_kcalloc(dev, felix->info->num_ports,
  911. sizeof(struct phylink_pcs *),
  912. GFP_KERNEL);
  913. if (!felix->pcs) {
  914. dev_err(dev, "failed to allocate array for PCS PHYs\n");
  915. return -ENOMEM;
  916. }
  917. imdio_base = pci_resource_start(pdev, VSC9959_IMDIO_PCI_BAR);
  918. memcpy(&res, &vsc9959_imdio_res, sizeof(res));
  919. res.start += imdio_base;
  920. res.end += imdio_base;
  921. imdio_regs = devm_ioremap_resource(dev, &res);
  922. if (IS_ERR(imdio_regs))
  923. return PTR_ERR(imdio_regs);
  924. hw = enetc_hw_alloc(dev, imdio_regs);
  925. if (IS_ERR(hw)) {
  926. dev_err(dev, "failed to allocate ENETC HW structure\n");
  927. return PTR_ERR(hw);
  928. }
  929. bus = mdiobus_alloc_size(sizeof(*mdio_priv));
  930. if (!bus)
  931. return -ENOMEM;
  932. bus->name = "VSC9959 internal MDIO bus";
  933. bus->read = enetc_mdio_read;
  934. bus->write = enetc_mdio_write;
  935. bus->parent = dev;
  936. mdio_priv = bus->priv;
  937. mdio_priv->hw = hw;
  938. /* This gets added to imdio_regs, which already maps addresses
  939. * starting with the proper offset.
  940. */
  941. mdio_priv->mdio_base = 0;
  942. snprintf(bus->id, MII_BUS_ID_SIZE, "%s-imdio", dev_name(dev));
  943. /* Needed in order to initialize the bus mutex lock */
  944. rc = mdiobus_register(bus);
  945. if (rc < 0) {
  946. dev_err(dev, "failed to register MDIO bus\n");
  947. mdiobus_free(bus);
  948. return rc;
  949. }
  950. felix->imdio = bus;
  951. for (port = 0; port < felix->info->num_ports; port++) {
  952. struct ocelot_port *ocelot_port = ocelot->ports[port];
  953. struct phylink_pcs *phylink_pcs;
  954. struct mdio_device *mdio_device;
  955. if (dsa_is_unused_port(felix->ds, port))
  956. continue;
  957. if (ocelot_port->phy_mode == PHY_INTERFACE_MODE_INTERNAL)
  958. continue;
  959. mdio_device = mdio_device_create(felix->imdio, port);
  960. if (IS_ERR(mdio_device))
  961. continue;
  962. phylink_pcs = lynx_pcs_create(mdio_device);
  963. if (!phylink_pcs) {
  964. mdio_device_free(mdio_device);
  965. continue;
  966. }
  967. felix->pcs[port] = phylink_pcs;
  968. dev_info(dev, "Found PCS at internal MDIO address %d\n", port);
  969. }
  970. return 0;
  971. }
  972. static void vsc9959_mdio_bus_free(struct ocelot *ocelot)
  973. {
  974. struct felix *felix = ocelot_to_felix(ocelot);
  975. int port;
  976. for (port = 0; port < ocelot->num_phys_ports; port++) {
  977. struct phylink_pcs *phylink_pcs = felix->pcs[port];
  978. struct mdio_device *mdio_device;
  979. if (!phylink_pcs)
  980. continue;
  981. mdio_device = lynx_get_mdio_device(phylink_pcs);
  982. mdio_device_free(mdio_device);
  983. lynx_pcs_destroy(phylink_pcs);
  984. }
  985. mdiobus_unregister(felix->imdio);
  986. mdiobus_free(felix->imdio);
  987. }
  988. /* The switch considers any frame (regardless of size) as eligible for
  989. * transmission if the traffic class gate is open for at least 33 ns.
  990. * Overruns are prevented by cropping an interval at the end of the gate time
  991. * slot for which egress scheduling is blocked, but we need to still keep 33 ns
  992. * available for one packet to be transmitted, otherwise the port tc will hang.
  993. * This function returns the size of a gate interval that remains available for
  994. * setting the guard band, after reserving the space for one egress frame.
  995. */
  996. static u64 vsc9959_tas_remaining_gate_len_ps(u64 gate_len_ns)
  997. {
  998. /* Gate always open */
  999. if (gate_len_ns == U64_MAX)
  1000. return U64_MAX;
  1001. if (gate_len_ns < VSC9959_TAS_MIN_GATE_LEN_NS)
  1002. return 0;
  1003. return (gate_len_ns - VSC9959_TAS_MIN_GATE_LEN_NS) * PSEC_PER_NSEC;
  1004. }
  1005. /* Extract shortest continuous gate open intervals in ns for each traffic class
  1006. * of a cyclic tc-taprio schedule. If a gate is always open, the duration is
  1007. * considered U64_MAX. If the gate is always closed, it is considered 0.
  1008. */
  1009. static void vsc9959_tas_min_gate_lengths(struct tc_taprio_qopt_offload *taprio,
  1010. u64 min_gate_len[OCELOT_NUM_TC])
  1011. {
  1012. struct tc_taprio_sched_entry *entry;
  1013. u64 gate_len[OCELOT_NUM_TC];
  1014. u8 gates_ever_opened = 0;
  1015. int tc, i, n;
  1016. /* Initialize arrays */
  1017. for (tc = 0; tc < OCELOT_NUM_TC; tc++) {
  1018. min_gate_len[tc] = U64_MAX;
  1019. gate_len[tc] = 0;
  1020. }
  1021. /* If we don't have taprio, consider all gates as permanently open */
  1022. if (!taprio)
  1023. return;
  1024. n = taprio->num_entries;
  1025. /* Walk through the gate list twice to determine the length
  1026. * of consecutively open gates for a traffic class, including
  1027. * open gates that wrap around. We are just interested in the
  1028. * minimum window size, and this doesn't change what the
  1029. * minimum is (if the gate never closes, min_gate_len will
  1030. * remain U64_MAX).
  1031. */
  1032. for (i = 0; i < 2 * n; i++) {
  1033. entry = &taprio->entries[i % n];
  1034. for (tc = 0; tc < OCELOT_NUM_TC; tc++) {
  1035. if (entry->gate_mask & BIT(tc)) {
  1036. gate_len[tc] += entry->interval;
  1037. gates_ever_opened |= BIT(tc);
  1038. } else {
  1039. /* Gate closes now, record a potential new
  1040. * minimum and reinitialize length
  1041. */
  1042. if (min_gate_len[tc] > gate_len[tc] &&
  1043. gate_len[tc])
  1044. min_gate_len[tc] = gate_len[tc];
  1045. gate_len[tc] = 0;
  1046. }
  1047. }
  1048. }
  1049. /* min_gate_len[tc] actually tracks minimum *open* gate time, so for
  1050. * permanently closed gates, min_gate_len[tc] will still be U64_MAX.
  1051. * Therefore they are currently indistinguishable from permanently
  1052. * open gates. Overwrite the gate len with 0 when we know they're
  1053. * actually permanently closed, i.e. after the loop above.
  1054. */
  1055. for (tc = 0; tc < OCELOT_NUM_TC; tc++)
  1056. if (!(gates_ever_opened & BIT(tc)))
  1057. min_gate_len[tc] = 0;
  1058. }
  1059. /* ocelot_write_rix is a macro that concatenates QSYS_MAXSDU_CFG_* with _RSZ,
  1060. * so we need to spell out the register access to each traffic class in helper
  1061. * functions, to simplify callers
  1062. */
  1063. static void vsc9959_port_qmaxsdu_set(struct ocelot *ocelot, int port, int tc,
  1064. u32 max_sdu)
  1065. {
  1066. switch (tc) {
  1067. case 0:
  1068. ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_0,
  1069. port);
  1070. break;
  1071. case 1:
  1072. ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_1,
  1073. port);
  1074. break;
  1075. case 2:
  1076. ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_2,
  1077. port);
  1078. break;
  1079. case 3:
  1080. ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_3,
  1081. port);
  1082. break;
  1083. case 4:
  1084. ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_4,
  1085. port);
  1086. break;
  1087. case 5:
  1088. ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_5,
  1089. port);
  1090. break;
  1091. case 6:
  1092. ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_6,
  1093. port);
  1094. break;
  1095. case 7:
  1096. ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_7,
  1097. port);
  1098. break;
  1099. }
  1100. }
  1101. static u32 vsc9959_port_qmaxsdu_get(struct ocelot *ocelot, int port, int tc)
  1102. {
  1103. switch (tc) {
  1104. case 0: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_0, port);
  1105. case 1: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_1, port);
  1106. case 2: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_2, port);
  1107. case 3: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_3, port);
  1108. case 4: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_4, port);
  1109. case 5: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_5, port);
  1110. case 6: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_6, port);
  1111. case 7: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_7, port);
  1112. default:
  1113. return 0;
  1114. }
  1115. }
  1116. static u32 vsc9959_tas_tc_max_sdu(struct tc_taprio_qopt_offload *taprio, int tc)
  1117. {
  1118. if (!taprio || !taprio->max_sdu[tc])
  1119. return 0;
  1120. return taprio->max_sdu[tc] + ETH_HLEN + 2 * VLAN_HLEN + ETH_FCS_LEN;
  1121. }
  1122. /* Update QSYS_PORT_MAX_SDU to make sure the static guard bands added by the
  1123. * switch (see the ALWAYS_GUARD_BAND_SCH_Q comment) are correct at all MTU
  1124. * values (the default value is 1518). Also, for traffic class windows smaller
  1125. * than one MTU sized frame, update QSYS_QMAXSDU_CFG to enable oversized frame
  1126. * dropping, such that these won't hang the port, as they will never be sent.
  1127. */
  1128. static void vsc9959_tas_guard_bands_update(struct ocelot *ocelot, int port)
  1129. {
  1130. struct ocelot_port *ocelot_port = ocelot->ports[port];
  1131. struct tc_taprio_qopt_offload *taprio;
  1132. u64 min_gate_len[OCELOT_NUM_TC];
  1133. int speed, picos_per_byte;
  1134. u64 needed_bit_time_ps;
  1135. u32 val, maxlen;
  1136. u8 tas_speed;
  1137. int tc;
  1138. lockdep_assert_held(&ocelot->tas_lock);
  1139. taprio = ocelot_port->taprio;
  1140. val = ocelot_read_rix(ocelot, QSYS_TAG_CONFIG, port);
  1141. tas_speed = QSYS_TAG_CONFIG_LINK_SPEED_X(val);
  1142. switch (tas_speed) {
  1143. case OCELOT_SPEED_10:
  1144. speed = SPEED_10;
  1145. break;
  1146. case OCELOT_SPEED_100:
  1147. speed = SPEED_100;
  1148. break;
  1149. case OCELOT_SPEED_1000:
  1150. speed = SPEED_1000;
  1151. break;
  1152. case OCELOT_SPEED_2500:
  1153. speed = SPEED_2500;
  1154. break;
  1155. default:
  1156. return;
  1157. }
  1158. picos_per_byte = (USEC_PER_SEC * 8) / speed;
  1159. val = ocelot_port_readl(ocelot_port, DEV_MAC_MAXLEN_CFG);
  1160. /* MAXLEN_CFG accounts automatically for VLAN. We need to include it
  1161. * manually in the bit time calculation, plus the preamble and SFD.
  1162. */
  1163. maxlen = val + 2 * VLAN_HLEN;
  1164. /* Consider the standard Ethernet overhead of 8 octets preamble+SFD,
  1165. * 4 octets FCS, 12 octets IFG.
  1166. */
  1167. needed_bit_time_ps = (u64)(maxlen + 24) * picos_per_byte;
  1168. dev_dbg(ocelot->dev,
  1169. "port %d: max frame size %d needs %llu ps at speed %d\n",
  1170. port, maxlen, needed_bit_time_ps, speed);
  1171. vsc9959_tas_min_gate_lengths(taprio, min_gate_len);
  1172. mutex_lock(&ocelot->fwd_domain_lock);
  1173. for (tc = 0; tc < OCELOT_NUM_TC; tc++) {
  1174. u32 requested_max_sdu = vsc9959_tas_tc_max_sdu(taprio, tc);
  1175. u64 remaining_gate_len_ps;
  1176. u32 max_sdu;
  1177. remaining_gate_len_ps =
  1178. vsc9959_tas_remaining_gate_len_ps(min_gate_len[tc]);
  1179. if (remaining_gate_len_ps > needed_bit_time_ps) {
  1180. /* Setting QMAXSDU_CFG to 0 disables oversized frame
  1181. * dropping.
  1182. */
  1183. max_sdu = requested_max_sdu;
  1184. dev_dbg(ocelot->dev,
  1185. "port %d tc %d min gate len %llu"
  1186. ", sending all frames\n",
  1187. port, tc, min_gate_len[tc]);
  1188. } else {
  1189. /* If traffic class doesn't support a full MTU sized
  1190. * frame, make sure to enable oversize frame dropping
  1191. * for frames larger than the smallest that would fit.
  1192. *
  1193. * However, the exact same register, QSYS_QMAXSDU_CFG_*,
  1194. * controls not only oversized frame dropping, but also
  1195. * per-tc static guard band lengths, so it reduces the
  1196. * useful gate interval length. Therefore, be careful
  1197. * to calculate a guard band (and therefore max_sdu)
  1198. * that still leaves 33 ns available in the time slot.
  1199. */
  1200. max_sdu = div_u64(remaining_gate_len_ps, picos_per_byte);
  1201. /* A TC gate may be completely closed, which is a
  1202. * special case where all packets are oversized.
  1203. * Any limit smaller than 64 octets accomplishes this
  1204. */
  1205. if (!max_sdu)
  1206. max_sdu = 1;
  1207. /* Take L1 overhead into account, but just don't allow
  1208. * max_sdu to go negative or to 0. Here we use 20
  1209. * because QSYS_MAXSDU_CFG_* already counts the 4 FCS
  1210. * octets as part of packet size.
  1211. */
  1212. if (max_sdu > 20)
  1213. max_sdu -= 20;
  1214. if (requested_max_sdu && requested_max_sdu < max_sdu)
  1215. max_sdu = requested_max_sdu;
  1216. dev_info(ocelot->dev,
  1217. "port %d tc %d min gate length %llu"
  1218. " ns not enough for max frame size %d at %d"
  1219. " Mbps, dropping frames over %d"
  1220. " octets including FCS\n",
  1221. port, tc, min_gate_len[tc], maxlen, speed,
  1222. max_sdu);
  1223. }
  1224. vsc9959_port_qmaxsdu_set(ocelot, port, tc, max_sdu);
  1225. }
  1226. ocelot_write_rix(ocelot, maxlen, QSYS_PORT_MAX_SDU, port);
  1227. ocelot->ops->cut_through_fwd(ocelot);
  1228. mutex_unlock(&ocelot->fwd_domain_lock);
  1229. }
  1230. static void vsc9959_sched_speed_set(struct ocelot *ocelot, int port,
  1231. u32 speed)
  1232. {
  1233. struct ocelot_port *ocelot_port = ocelot->ports[port];
  1234. u8 tas_speed;
  1235. switch (speed) {
  1236. case SPEED_10:
  1237. tas_speed = OCELOT_SPEED_10;
  1238. break;
  1239. case SPEED_100:
  1240. tas_speed = OCELOT_SPEED_100;
  1241. break;
  1242. case SPEED_1000:
  1243. tas_speed = OCELOT_SPEED_1000;
  1244. break;
  1245. case SPEED_2500:
  1246. tas_speed = OCELOT_SPEED_2500;
  1247. break;
  1248. default:
  1249. tas_speed = OCELOT_SPEED_1000;
  1250. break;
  1251. }
  1252. mutex_lock(&ocelot->tas_lock);
  1253. ocelot_rmw_rix(ocelot,
  1254. QSYS_TAG_CONFIG_LINK_SPEED(tas_speed),
  1255. QSYS_TAG_CONFIG_LINK_SPEED_M,
  1256. QSYS_TAG_CONFIG, port);
  1257. if (ocelot_port->taprio)
  1258. vsc9959_tas_guard_bands_update(ocelot, port);
  1259. mutex_unlock(&ocelot->tas_lock);
  1260. }
  1261. static void vsc9959_new_base_time(struct ocelot *ocelot, ktime_t base_time,
  1262. u64 cycle_time,
  1263. struct timespec64 *new_base_ts)
  1264. {
  1265. struct timespec64 ts;
  1266. ktime_t new_base_time;
  1267. ktime_t current_time;
  1268. ocelot_ptp_gettime64(&ocelot->ptp_info, &ts);
  1269. current_time = timespec64_to_ktime(ts);
  1270. new_base_time = base_time;
  1271. if (base_time < current_time) {
  1272. u64 nr_of_cycles = current_time - base_time;
  1273. do_div(nr_of_cycles, cycle_time);
  1274. new_base_time += cycle_time * (nr_of_cycles + 1);
  1275. }
  1276. *new_base_ts = ktime_to_timespec64(new_base_time);
  1277. }
  1278. static u32 vsc9959_tas_read_cfg_status(struct ocelot *ocelot)
  1279. {
  1280. return ocelot_read(ocelot, QSYS_TAS_PARAM_CFG_CTRL);
  1281. }
  1282. static void vsc9959_tas_gcl_set(struct ocelot *ocelot, const u32 gcl_ix,
  1283. struct tc_taprio_sched_entry *entry)
  1284. {
  1285. ocelot_write(ocelot,
  1286. QSYS_GCL_CFG_REG_1_GCL_ENTRY_NUM(gcl_ix) |
  1287. QSYS_GCL_CFG_REG_1_GATE_STATE(entry->gate_mask),
  1288. QSYS_GCL_CFG_REG_1);
  1289. ocelot_write(ocelot, entry->interval, QSYS_GCL_CFG_REG_2);
  1290. }
  1291. static int vsc9959_qos_port_tas_set(struct ocelot *ocelot, int port,
  1292. struct tc_taprio_qopt_offload *taprio)
  1293. {
  1294. struct ocelot_port *ocelot_port = ocelot->ports[port];
  1295. struct timespec64 base_ts;
  1296. int ret, i;
  1297. u32 val;
  1298. mutex_lock(&ocelot->tas_lock);
  1299. if (!taprio->enable) {
  1300. ocelot_rmw_rix(ocelot, 0, QSYS_TAG_CONFIG_ENABLE,
  1301. QSYS_TAG_CONFIG, port);
  1302. taprio_offload_free(ocelot_port->taprio);
  1303. ocelot_port->taprio = NULL;
  1304. vsc9959_tas_guard_bands_update(ocelot, port);
  1305. mutex_unlock(&ocelot->tas_lock);
  1306. return 0;
  1307. }
  1308. if (taprio->cycle_time > NSEC_PER_SEC ||
  1309. taprio->cycle_time_extension >= NSEC_PER_SEC) {
  1310. ret = -EINVAL;
  1311. goto err;
  1312. }
  1313. if (taprio->num_entries > VSC9959_TAS_GCL_ENTRY_MAX) {
  1314. ret = -ERANGE;
  1315. goto err;
  1316. }
  1317. /* Enable guard band. The switch will schedule frames without taking
  1318. * their length into account. Thus we'll always need to enable the
  1319. * guard band which reserves the time of a maximum sized frame at the
  1320. * end of the time window.
  1321. *
  1322. * Although the ALWAYS_GUARD_BAND_SCH_Q bit is global for all ports, we
  1323. * need to set PORT_NUM, because subsequent writes to PARAM_CFG_REG_n
  1324. * operate on the port number.
  1325. */
  1326. ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM(port) |
  1327. QSYS_TAS_PARAM_CFG_CTRL_ALWAYS_GUARD_BAND_SCH_Q,
  1328. QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM_M |
  1329. QSYS_TAS_PARAM_CFG_CTRL_ALWAYS_GUARD_BAND_SCH_Q,
  1330. QSYS_TAS_PARAM_CFG_CTRL);
  1331. /* Hardware errata - Admin config could not be overwritten if
  1332. * config is pending, need reset the TAS module
  1333. */
  1334. val = ocelot_read(ocelot, QSYS_PARAM_STATUS_REG_8);
  1335. if (val & QSYS_PARAM_STATUS_REG_8_CONFIG_PENDING) {
  1336. ret = -EBUSY;
  1337. goto err;
  1338. }
  1339. ocelot_rmw_rix(ocelot,
  1340. QSYS_TAG_CONFIG_ENABLE |
  1341. QSYS_TAG_CONFIG_INIT_GATE_STATE(0xFF) |
  1342. QSYS_TAG_CONFIG_SCH_TRAFFIC_QUEUES(0xFF),
  1343. QSYS_TAG_CONFIG_ENABLE |
  1344. QSYS_TAG_CONFIG_INIT_GATE_STATE_M |
  1345. QSYS_TAG_CONFIG_SCH_TRAFFIC_QUEUES_M,
  1346. QSYS_TAG_CONFIG, port);
  1347. vsc9959_new_base_time(ocelot, taprio->base_time,
  1348. taprio->cycle_time, &base_ts);
  1349. ocelot_write(ocelot, base_ts.tv_nsec, QSYS_PARAM_CFG_REG_1);
  1350. ocelot_write(ocelot, lower_32_bits(base_ts.tv_sec), QSYS_PARAM_CFG_REG_2);
  1351. val = upper_32_bits(base_ts.tv_sec);
  1352. ocelot_write(ocelot,
  1353. QSYS_PARAM_CFG_REG_3_BASE_TIME_SEC_MSB(val) |
  1354. QSYS_PARAM_CFG_REG_3_LIST_LENGTH(taprio->num_entries),
  1355. QSYS_PARAM_CFG_REG_3);
  1356. ocelot_write(ocelot, taprio->cycle_time, QSYS_PARAM_CFG_REG_4);
  1357. ocelot_write(ocelot, taprio->cycle_time_extension, QSYS_PARAM_CFG_REG_5);
  1358. for (i = 0; i < taprio->num_entries; i++)
  1359. vsc9959_tas_gcl_set(ocelot, i, &taprio->entries[i]);
  1360. ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE,
  1361. QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE,
  1362. QSYS_TAS_PARAM_CFG_CTRL);
  1363. ret = readx_poll_timeout(vsc9959_tas_read_cfg_status, ocelot, val,
  1364. !(val & QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE),
  1365. 10, 100000);
  1366. if (ret)
  1367. goto err;
  1368. ocelot_port->taprio = taprio_offload_get(taprio);
  1369. vsc9959_tas_guard_bands_update(ocelot, port);
  1370. err:
  1371. mutex_unlock(&ocelot->tas_lock);
  1372. return ret;
  1373. }
  1374. static void vsc9959_tas_clock_adjust(struct ocelot *ocelot)
  1375. {
  1376. struct tc_taprio_qopt_offload *taprio;
  1377. struct ocelot_port *ocelot_port;
  1378. struct timespec64 base_ts;
  1379. int port;
  1380. u32 val;
  1381. mutex_lock(&ocelot->tas_lock);
  1382. for (port = 0; port < ocelot->num_phys_ports; port++) {
  1383. ocelot_port = ocelot->ports[port];
  1384. taprio = ocelot_port->taprio;
  1385. if (!taprio)
  1386. continue;
  1387. ocelot_rmw(ocelot,
  1388. QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM(port),
  1389. QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM_M,
  1390. QSYS_TAS_PARAM_CFG_CTRL);
  1391. /* Disable time-aware shaper */
  1392. ocelot_rmw_rix(ocelot, 0, QSYS_TAG_CONFIG_ENABLE,
  1393. QSYS_TAG_CONFIG, port);
  1394. vsc9959_new_base_time(ocelot, taprio->base_time,
  1395. taprio->cycle_time, &base_ts);
  1396. ocelot_write(ocelot, base_ts.tv_nsec, QSYS_PARAM_CFG_REG_1);
  1397. ocelot_write(ocelot, lower_32_bits(base_ts.tv_sec),
  1398. QSYS_PARAM_CFG_REG_2);
  1399. val = upper_32_bits(base_ts.tv_sec);
  1400. ocelot_rmw(ocelot,
  1401. QSYS_PARAM_CFG_REG_3_BASE_TIME_SEC_MSB(val),
  1402. QSYS_PARAM_CFG_REG_3_BASE_TIME_SEC_MSB_M,
  1403. QSYS_PARAM_CFG_REG_3);
  1404. ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE,
  1405. QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE,
  1406. QSYS_TAS_PARAM_CFG_CTRL);
  1407. /* Re-enable time-aware shaper */
  1408. ocelot_rmw_rix(ocelot, QSYS_TAG_CONFIG_ENABLE,
  1409. QSYS_TAG_CONFIG_ENABLE,
  1410. QSYS_TAG_CONFIG, port);
  1411. }
  1412. mutex_unlock(&ocelot->tas_lock);
  1413. }
  1414. static int vsc9959_qos_port_cbs_set(struct dsa_switch *ds, int port,
  1415. struct tc_cbs_qopt_offload *cbs_qopt)
  1416. {
  1417. struct ocelot *ocelot = ds->priv;
  1418. int port_ix = port * 8 + cbs_qopt->queue;
  1419. u32 rate, burst;
  1420. if (cbs_qopt->queue >= ds->num_tx_queues)
  1421. return -EINVAL;
  1422. if (!cbs_qopt->enable) {
  1423. ocelot_write_gix(ocelot, QSYS_CIR_CFG_CIR_RATE(0) |
  1424. QSYS_CIR_CFG_CIR_BURST(0),
  1425. QSYS_CIR_CFG, port_ix);
  1426. ocelot_rmw_gix(ocelot, 0, QSYS_SE_CFG_SE_AVB_ENA,
  1427. QSYS_SE_CFG, port_ix);
  1428. return 0;
  1429. }
  1430. /* Rate unit is 100 kbps */
  1431. rate = DIV_ROUND_UP(cbs_qopt->idleslope, 100);
  1432. /* Avoid using zero rate */
  1433. rate = clamp_t(u32, rate, 1, GENMASK(14, 0));
  1434. /* Burst unit is 4kB */
  1435. burst = DIV_ROUND_UP(cbs_qopt->hicredit, 4096);
  1436. /* Avoid using zero burst size */
  1437. burst = clamp_t(u32, burst, 1, GENMASK(5, 0));
  1438. ocelot_write_gix(ocelot,
  1439. QSYS_CIR_CFG_CIR_RATE(rate) |
  1440. QSYS_CIR_CFG_CIR_BURST(burst),
  1441. QSYS_CIR_CFG,
  1442. port_ix);
  1443. ocelot_rmw_gix(ocelot,
  1444. QSYS_SE_CFG_SE_FRM_MODE(0) |
  1445. QSYS_SE_CFG_SE_AVB_ENA,
  1446. QSYS_SE_CFG_SE_AVB_ENA |
  1447. QSYS_SE_CFG_SE_FRM_MODE_M,
  1448. QSYS_SE_CFG,
  1449. port_ix);
  1450. return 0;
  1451. }
  1452. static int vsc9959_qos_query_caps(struct tc_query_caps_base *base)
  1453. {
  1454. switch (base->type) {
  1455. case TC_SETUP_QDISC_TAPRIO: {
  1456. struct tc_taprio_caps *caps = base->caps;
  1457. caps->supports_queue_max_sdu = true;
  1458. return 0;
  1459. }
  1460. default:
  1461. return -EOPNOTSUPP;
  1462. }
  1463. }
  1464. static int vsc9959_port_setup_tc(struct dsa_switch *ds, int port,
  1465. enum tc_setup_type type,
  1466. void *type_data)
  1467. {
  1468. struct ocelot *ocelot = ds->priv;
  1469. switch (type) {
  1470. case TC_QUERY_CAPS:
  1471. return vsc9959_qos_query_caps(type_data);
  1472. case TC_SETUP_QDISC_TAPRIO:
  1473. return vsc9959_qos_port_tas_set(ocelot, port, type_data);
  1474. case TC_SETUP_QDISC_CBS:
  1475. return vsc9959_qos_port_cbs_set(ds, port, type_data);
  1476. default:
  1477. return -EOPNOTSUPP;
  1478. }
  1479. }
  1480. #define VSC9959_PSFP_SFID_MAX 175
  1481. #define VSC9959_PSFP_GATE_ID_MAX 183
  1482. #define VSC9959_PSFP_POLICER_BASE 63
  1483. #define VSC9959_PSFP_POLICER_MAX 383
  1484. #define VSC9959_PSFP_GATE_LIST_NUM 4
  1485. #define VSC9959_PSFP_GATE_CYCLETIME_MIN 5000
  1486. struct felix_stream {
  1487. struct list_head list;
  1488. unsigned long id;
  1489. bool dummy;
  1490. int ports;
  1491. int port;
  1492. u8 dmac[ETH_ALEN];
  1493. u16 vid;
  1494. s8 prio;
  1495. u8 sfid_valid;
  1496. u8 ssid_valid;
  1497. u32 sfid;
  1498. u32 ssid;
  1499. };
  1500. struct felix_stream_filter_counters {
  1501. u64 match;
  1502. u64 not_pass_gate;
  1503. u64 not_pass_sdu;
  1504. u64 red;
  1505. };
  1506. struct felix_stream_filter {
  1507. struct felix_stream_filter_counters stats;
  1508. struct list_head list;
  1509. refcount_t refcount;
  1510. u32 index;
  1511. u8 enable;
  1512. int portmask;
  1513. u8 sg_valid;
  1514. u32 sgid;
  1515. u8 fm_valid;
  1516. u32 fmid;
  1517. u8 prio_valid;
  1518. u8 prio;
  1519. u32 maxsdu;
  1520. };
  1521. struct felix_stream_gate {
  1522. u32 index;
  1523. u8 enable;
  1524. u8 ipv_valid;
  1525. u8 init_ipv;
  1526. u64 basetime;
  1527. u64 cycletime;
  1528. u64 cycletime_ext;
  1529. u32 num_entries;
  1530. struct action_gate_entry entries[];
  1531. };
  1532. struct felix_stream_gate_entry {
  1533. struct list_head list;
  1534. refcount_t refcount;
  1535. u32 index;
  1536. };
  1537. static int vsc9959_stream_identify(struct flow_cls_offload *f,
  1538. struct felix_stream *stream)
  1539. {
  1540. struct flow_rule *rule = flow_cls_offload_flow_rule(f);
  1541. struct flow_dissector *dissector = rule->match.dissector;
  1542. if (dissector->used_keys &
  1543. ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) |
  1544. BIT(FLOW_DISSECTOR_KEY_BASIC) |
  1545. BIT(FLOW_DISSECTOR_KEY_VLAN) |
  1546. BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS)))
  1547. return -EOPNOTSUPP;
  1548. if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
  1549. struct flow_match_eth_addrs match;
  1550. flow_rule_match_eth_addrs(rule, &match);
  1551. ether_addr_copy(stream->dmac, match.key->dst);
  1552. if (!is_zero_ether_addr(match.mask->src))
  1553. return -EOPNOTSUPP;
  1554. } else {
  1555. return -EOPNOTSUPP;
  1556. }
  1557. if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
  1558. struct flow_match_vlan match;
  1559. flow_rule_match_vlan(rule, &match);
  1560. if (match.mask->vlan_priority)
  1561. stream->prio = match.key->vlan_priority;
  1562. else
  1563. stream->prio = -1;
  1564. if (!match.mask->vlan_id)
  1565. return -EOPNOTSUPP;
  1566. stream->vid = match.key->vlan_id;
  1567. } else {
  1568. return -EOPNOTSUPP;
  1569. }
  1570. stream->id = f->cookie;
  1571. return 0;
  1572. }
  1573. static int vsc9959_mact_stream_set(struct ocelot *ocelot,
  1574. struct felix_stream *stream,
  1575. struct netlink_ext_ack *extack)
  1576. {
  1577. enum macaccess_entry_type type;
  1578. int ret, sfid, ssid;
  1579. u32 vid, dst_idx;
  1580. u8 mac[ETH_ALEN];
  1581. ether_addr_copy(mac, stream->dmac);
  1582. vid = stream->vid;
  1583. /* Stream identification desn't support to add a stream with non
  1584. * existent MAC (The MAC entry has not been learned in MAC table).
  1585. */
  1586. ret = ocelot_mact_lookup(ocelot, &dst_idx, mac, vid, &type);
  1587. if (ret) {
  1588. if (extack)
  1589. NL_SET_ERR_MSG_MOD(extack, "Stream is not learned in MAC table");
  1590. return -EOPNOTSUPP;
  1591. }
  1592. if ((stream->sfid_valid || stream->ssid_valid) &&
  1593. type == ENTRYTYPE_NORMAL)
  1594. type = ENTRYTYPE_LOCKED;
  1595. sfid = stream->sfid_valid ? stream->sfid : -1;
  1596. ssid = stream->ssid_valid ? stream->ssid : -1;
  1597. ret = ocelot_mact_learn_streamdata(ocelot, dst_idx, mac, vid, type,
  1598. sfid, ssid);
  1599. return ret;
  1600. }
  1601. static struct felix_stream *
  1602. vsc9959_stream_table_lookup(struct list_head *stream_list,
  1603. struct felix_stream *stream)
  1604. {
  1605. struct felix_stream *tmp;
  1606. list_for_each_entry(tmp, stream_list, list)
  1607. if (ether_addr_equal(tmp->dmac, stream->dmac) &&
  1608. tmp->vid == stream->vid)
  1609. return tmp;
  1610. return NULL;
  1611. }
  1612. static int vsc9959_stream_table_add(struct ocelot *ocelot,
  1613. struct list_head *stream_list,
  1614. struct felix_stream *stream,
  1615. struct netlink_ext_ack *extack)
  1616. {
  1617. struct felix_stream *stream_entry;
  1618. int ret;
  1619. stream_entry = kmemdup(stream, sizeof(*stream_entry), GFP_KERNEL);
  1620. if (!stream_entry)
  1621. return -ENOMEM;
  1622. if (!stream->dummy) {
  1623. ret = vsc9959_mact_stream_set(ocelot, stream_entry, extack);
  1624. if (ret) {
  1625. kfree(stream_entry);
  1626. return ret;
  1627. }
  1628. }
  1629. list_add_tail(&stream_entry->list, stream_list);
  1630. return 0;
  1631. }
  1632. static struct felix_stream *
  1633. vsc9959_stream_table_get(struct list_head *stream_list, unsigned long id)
  1634. {
  1635. struct felix_stream *tmp;
  1636. list_for_each_entry(tmp, stream_list, list)
  1637. if (tmp->id == id)
  1638. return tmp;
  1639. return NULL;
  1640. }
  1641. static void vsc9959_stream_table_del(struct ocelot *ocelot,
  1642. struct felix_stream *stream)
  1643. {
  1644. if (!stream->dummy)
  1645. vsc9959_mact_stream_set(ocelot, stream, NULL);
  1646. list_del(&stream->list);
  1647. kfree(stream);
  1648. }
  1649. static u32 vsc9959_sfi_access_status(struct ocelot *ocelot)
  1650. {
  1651. return ocelot_read(ocelot, ANA_TABLES_SFIDACCESS);
  1652. }
  1653. static int vsc9959_psfp_sfi_set(struct ocelot *ocelot,
  1654. struct felix_stream_filter *sfi)
  1655. {
  1656. u32 val;
  1657. if (sfi->index > VSC9959_PSFP_SFID_MAX)
  1658. return -EINVAL;
  1659. if (!sfi->enable) {
  1660. ocelot_write(ocelot, ANA_TABLES_SFIDTIDX_SFID_INDEX(sfi->index),
  1661. ANA_TABLES_SFIDTIDX);
  1662. val = ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(SFIDACCESS_CMD_WRITE);
  1663. ocelot_write(ocelot, val, ANA_TABLES_SFIDACCESS);
  1664. return readx_poll_timeout(vsc9959_sfi_access_status, ocelot, val,
  1665. (!ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(val)),
  1666. 10, 100000);
  1667. }
  1668. if (sfi->sgid > VSC9959_PSFP_GATE_ID_MAX ||
  1669. sfi->fmid > VSC9959_PSFP_POLICER_MAX)
  1670. return -EINVAL;
  1671. ocelot_write(ocelot,
  1672. (sfi->sg_valid ? ANA_TABLES_SFIDTIDX_SGID_VALID : 0) |
  1673. ANA_TABLES_SFIDTIDX_SGID(sfi->sgid) |
  1674. (sfi->fm_valid ? ANA_TABLES_SFIDTIDX_POL_ENA : 0) |
  1675. ANA_TABLES_SFIDTIDX_POL_IDX(sfi->fmid) |
  1676. ANA_TABLES_SFIDTIDX_SFID_INDEX(sfi->index),
  1677. ANA_TABLES_SFIDTIDX);
  1678. ocelot_write(ocelot,
  1679. (sfi->prio_valid ? ANA_TABLES_SFIDACCESS_IGR_PRIO_MATCH_ENA : 0) |
  1680. ANA_TABLES_SFIDACCESS_IGR_PRIO(sfi->prio) |
  1681. ANA_TABLES_SFIDACCESS_MAX_SDU_LEN(sfi->maxsdu) |
  1682. ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(SFIDACCESS_CMD_WRITE),
  1683. ANA_TABLES_SFIDACCESS);
  1684. return readx_poll_timeout(vsc9959_sfi_access_status, ocelot, val,
  1685. (!ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(val)),
  1686. 10, 100000);
  1687. }
  1688. static int vsc9959_psfp_sfidmask_set(struct ocelot *ocelot, u32 sfid, int ports)
  1689. {
  1690. u32 val;
  1691. ocelot_rmw(ocelot,
  1692. ANA_TABLES_SFIDTIDX_SFID_INDEX(sfid),
  1693. ANA_TABLES_SFIDTIDX_SFID_INDEX_M,
  1694. ANA_TABLES_SFIDTIDX);
  1695. ocelot_write(ocelot,
  1696. ANA_TABLES_SFID_MASK_IGR_PORT_MASK(ports) |
  1697. ANA_TABLES_SFID_MASK_IGR_SRCPORT_MATCH_ENA,
  1698. ANA_TABLES_SFID_MASK);
  1699. ocelot_rmw(ocelot,
  1700. ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(SFIDACCESS_CMD_WRITE),
  1701. ANA_TABLES_SFIDACCESS_SFID_TBL_CMD_M,
  1702. ANA_TABLES_SFIDACCESS);
  1703. return readx_poll_timeout(vsc9959_sfi_access_status, ocelot, val,
  1704. (!ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(val)),
  1705. 10, 100000);
  1706. }
  1707. static int vsc9959_psfp_sfi_list_add(struct ocelot *ocelot,
  1708. struct felix_stream_filter *sfi,
  1709. struct list_head *pos)
  1710. {
  1711. struct felix_stream_filter *sfi_entry;
  1712. int ret;
  1713. sfi_entry = kmemdup(sfi, sizeof(*sfi_entry), GFP_KERNEL);
  1714. if (!sfi_entry)
  1715. return -ENOMEM;
  1716. refcount_set(&sfi_entry->refcount, 1);
  1717. ret = vsc9959_psfp_sfi_set(ocelot, sfi_entry);
  1718. if (ret) {
  1719. kfree(sfi_entry);
  1720. return ret;
  1721. }
  1722. vsc9959_psfp_sfidmask_set(ocelot, sfi->index, sfi->portmask);
  1723. list_add(&sfi_entry->list, pos);
  1724. return 0;
  1725. }
  1726. static int vsc9959_psfp_sfi_table_add(struct ocelot *ocelot,
  1727. struct felix_stream_filter *sfi)
  1728. {
  1729. struct list_head *pos, *q, *last;
  1730. struct felix_stream_filter *tmp;
  1731. struct ocelot_psfp_list *psfp;
  1732. u32 insert = 0;
  1733. psfp = &ocelot->psfp;
  1734. last = &psfp->sfi_list;
  1735. list_for_each_safe(pos, q, &psfp->sfi_list) {
  1736. tmp = list_entry(pos, struct felix_stream_filter, list);
  1737. if (sfi->sg_valid == tmp->sg_valid &&
  1738. sfi->fm_valid == tmp->fm_valid &&
  1739. sfi->portmask == tmp->portmask &&
  1740. tmp->sgid == sfi->sgid &&
  1741. tmp->fmid == sfi->fmid) {
  1742. sfi->index = tmp->index;
  1743. refcount_inc(&tmp->refcount);
  1744. return 0;
  1745. }
  1746. /* Make sure that the index is increasing in order. */
  1747. if (tmp->index == insert) {
  1748. last = pos;
  1749. insert++;
  1750. }
  1751. }
  1752. sfi->index = insert;
  1753. return vsc9959_psfp_sfi_list_add(ocelot, sfi, last);
  1754. }
  1755. static int vsc9959_psfp_sfi_table_add2(struct ocelot *ocelot,
  1756. struct felix_stream_filter *sfi,
  1757. struct felix_stream_filter *sfi2)
  1758. {
  1759. struct felix_stream_filter *tmp;
  1760. struct list_head *pos, *q, *last;
  1761. struct ocelot_psfp_list *psfp;
  1762. u32 insert = 0;
  1763. int ret;
  1764. psfp = &ocelot->psfp;
  1765. last = &psfp->sfi_list;
  1766. list_for_each_safe(pos, q, &psfp->sfi_list) {
  1767. tmp = list_entry(pos, struct felix_stream_filter, list);
  1768. /* Make sure that the index is increasing in order. */
  1769. if (tmp->index >= insert + 2)
  1770. break;
  1771. insert = tmp->index + 1;
  1772. last = pos;
  1773. }
  1774. sfi->index = insert;
  1775. ret = vsc9959_psfp_sfi_list_add(ocelot, sfi, last);
  1776. if (ret)
  1777. return ret;
  1778. sfi2->index = insert + 1;
  1779. return vsc9959_psfp_sfi_list_add(ocelot, sfi2, last->next);
  1780. }
  1781. static struct felix_stream_filter *
  1782. vsc9959_psfp_sfi_table_get(struct list_head *sfi_list, u32 index)
  1783. {
  1784. struct felix_stream_filter *tmp;
  1785. list_for_each_entry(tmp, sfi_list, list)
  1786. if (tmp->index == index)
  1787. return tmp;
  1788. return NULL;
  1789. }
  1790. static void vsc9959_psfp_sfi_table_del(struct ocelot *ocelot, u32 index)
  1791. {
  1792. struct felix_stream_filter *tmp, *n;
  1793. struct ocelot_psfp_list *psfp;
  1794. u8 z;
  1795. psfp = &ocelot->psfp;
  1796. list_for_each_entry_safe(tmp, n, &psfp->sfi_list, list)
  1797. if (tmp->index == index) {
  1798. z = refcount_dec_and_test(&tmp->refcount);
  1799. if (z) {
  1800. tmp->enable = 0;
  1801. vsc9959_psfp_sfi_set(ocelot, tmp);
  1802. list_del(&tmp->list);
  1803. kfree(tmp);
  1804. }
  1805. break;
  1806. }
  1807. }
  1808. static void vsc9959_psfp_parse_gate(const struct flow_action_entry *entry,
  1809. struct felix_stream_gate *sgi)
  1810. {
  1811. sgi->index = entry->hw_index;
  1812. sgi->ipv_valid = (entry->gate.prio < 0) ? 0 : 1;
  1813. sgi->init_ipv = (sgi->ipv_valid) ? entry->gate.prio : 0;
  1814. sgi->basetime = entry->gate.basetime;
  1815. sgi->cycletime = entry->gate.cycletime;
  1816. sgi->num_entries = entry->gate.num_entries;
  1817. sgi->enable = 1;
  1818. memcpy(sgi->entries, entry->gate.entries,
  1819. entry->gate.num_entries * sizeof(struct action_gate_entry));
  1820. }
  1821. static u32 vsc9959_sgi_cfg_status(struct ocelot *ocelot)
  1822. {
  1823. return ocelot_read(ocelot, ANA_SG_ACCESS_CTRL);
  1824. }
  1825. static int vsc9959_psfp_sgi_set(struct ocelot *ocelot,
  1826. struct felix_stream_gate *sgi)
  1827. {
  1828. struct action_gate_entry *e;
  1829. struct timespec64 base_ts;
  1830. u32 interval_sum = 0;
  1831. u32 val;
  1832. int i;
  1833. if (sgi->index > VSC9959_PSFP_GATE_ID_MAX)
  1834. return -EINVAL;
  1835. ocelot_write(ocelot, ANA_SG_ACCESS_CTRL_SGID(sgi->index),
  1836. ANA_SG_ACCESS_CTRL);
  1837. if (!sgi->enable) {
  1838. ocelot_rmw(ocelot, ANA_SG_CONFIG_REG_3_INIT_GATE_STATE,
  1839. ANA_SG_CONFIG_REG_3_INIT_GATE_STATE |
  1840. ANA_SG_CONFIG_REG_3_GATE_ENABLE,
  1841. ANA_SG_CONFIG_REG_3);
  1842. return 0;
  1843. }
  1844. if (sgi->cycletime < VSC9959_PSFP_GATE_CYCLETIME_MIN ||
  1845. sgi->cycletime > NSEC_PER_SEC)
  1846. return -EINVAL;
  1847. if (sgi->num_entries > VSC9959_PSFP_GATE_LIST_NUM)
  1848. return -EINVAL;
  1849. vsc9959_new_base_time(ocelot, sgi->basetime, sgi->cycletime, &base_ts);
  1850. ocelot_write(ocelot, base_ts.tv_nsec, ANA_SG_CONFIG_REG_1);
  1851. val = lower_32_bits(base_ts.tv_sec);
  1852. ocelot_write(ocelot, val, ANA_SG_CONFIG_REG_2);
  1853. val = upper_32_bits(base_ts.tv_sec);
  1854. ocelot_write(ocelot,
  1855. (sgi->ipv_valid ? ANA_SG_CONFIG_REG_3_IPV_VALID : 0) |
  1856. ANA_SG_CONFIG_REG_3_INIT_IPV(sgi->init_ipv) |
  1857. ANA_SG_CONFIG_REG_3_GATE_ENABLE |
  1858. ANA_SG_CONFIG_REG_3_LIST_LENGTH(sgi->num_entries) |
  1859. ANA_SG_CONFIG_REG_3_INIT_GATE_STATE |
  1860. ANA_SG_CONFIG_REG_3_BASE_TIME_SEC_MSB(val),
  1861. ANA_SG_CONFIG_REG_3);
  1862. ocelot_write(ocelot, sgi->cycletime, ANA_SG_CONFIG_REG_4);
  1863. e = sgi->entries;
  1864. for (i = 0; i < sgi->num_entries; i++) {
  1865. u32 ips = (e[i].ipv < 0) ? 0 : (e[i].ipv + 8);
  1866. ocelot_write_rix(ocelot, ANA_SG_GCL_GS_CONFIG_IPS(ips) |
  1867. (e[i].gate_state ?
  1868. ANA_SG_GCL_GS_CONFIG_GATE_STATE : 0),
  1869. ANA_SG_GCL_GS_CONFIG, i);
  1870. interval_sum += e[i].interval;
  1871. ocelot_write_rix(ocelot, interval_sum, ANA_SG_GCL_TI_CONFIG, i);
  1872. }
  1873. ocelot_rmw(ocelot, ANA_SG_ACCESS_CTRL_CONFIG_CHANGE,
  1874. ANA_SG_ACCESS_CTRL_CONFIG_CHANGE,
  1875. ANA_SG_ACCESS_CTRL);
  1876. return readx_poll_timeout(vsc9959_sgi_cfg_status, ocelot, val,
  1877. (!(ANA_SG_ACCESS_CTRL_CONFIG_CHANGE & val)),
  1878. 10, 100000);
  1879. }
  1880. static int vsc9959_psfp_sgi_table_add(struct ocelot *ocelot,
  1881. struct felix_stream_gate *sgi)
  1882. {
  1883. struct felix_stream_gate_entry *tmp;
  1884. struct ocelot_psfp_list *psfp;
  1885. int ret;
  1886. psfp = &ocelot->psfp;
  1887. list_for_each_entry(tmp, &psfp->sgi_list, list)
  1888. if (tmp->index == sgi->index) {
  1889. refcount_inc(&tmp->refcount);
  1890. return 0;
  1891. }
  1892. tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
  1893. if (!tmp)
  1894. return -ENOMEM;
  1895. ret = vsc9959_psfp_sgi_set(ocelot, sgi);
  1896. if (ret) {
  1897. kfree(tmp);
  1898. return ret;
  1899. }
  1900. tmp->index = sgi->index;
  1901. refcount_set(&tmp->refcount, 1);
  1902. list_add_tail(&tmp->list, &psfp->sgi_list);
  1903. return 0;
  1904. }
  1905. static void vsc9959_psfp_sgi_table_del(struct ocelot *ocelot,
  1906. u32 index)
  1907. {
  1908. struct felix_stream_gate_entry *tmp, *n;
  1909. struct felix_stream_gate sgi = {0};
  1910. struct ocelot_psfp_list *psfp;
  1911. u8 z;
  1912. psfp = &ocelot->psfp;
  1913. list_for_each_entry_safe(tmp, n, &psfp->sgi_list, list)
  1914. if (tmp->index == index) {
  1915. z = refcount_dec_and_test(&tmp->refcount);
  1916. if (z) {
  1917. sgi.index = index;
  1918. sgi.enable = 0;
  1919. vsc9959_psfp_sgi_set(ocelot, &sgi);
  1920. list_del(&tmp->list);
  1921. kfree(tmp);
  1922. }
  1923. break;
  1924. }
  1925. }
  1926. static int vsc9959_psfp_filter_add(struct ocelot *ocelot, int port,
  1927. struct flow_cls_offload *f)
  1928. {
  1929. struct netlink_ext_ack *extack = f->common.extack;
  1930. struct felix_stream_filter old_sfi, *sfi_entry;
  1931. struct felix_stream_filter sfi = {0};
  1932. const struct flow_action_entry *a;
  1933. struct felix_stream *stream_entry;
  1934. struct felix_stream stream = {0};
  1935. struct felix_stream_gate *sgi;
  1936. struct ocelot_psfp_list *psfp;
  1937. struct ocelot_policer pol;
  1938. int ret, i, size;
  1939. u64 rate, burst;
  1940. u32 index;
  1941. psfp = &ocelot->psfp;
  1942. ret = vsc9959_stream_identify(f, &stream);
  1943. if (ret) {
  1944. NL_SET_ERR_MSG_MOD(extack, "Only can match on VID, PCP, and dest MAC");
  1945. return ret;
  1946. }
  1947. mutex_lock(&psfp->lock);
  1948. flow_action_for_each(i, a, &f->rule->action) {
  1949. switch (a->id) {
  1950. case FLOW_ACTION_GATE:
  1951. size = struct_size(sgi, entries, a->gate.num_entries);
  1952. sgi = kzalloc(size, GFP_KERNEL);
  1953. if (!sgi) {
  1954. ret = -ENOMEM;
  1955. goto err;
  1956. }
  1957. vsc9959_psfp_parse_gate(a, sgi);
  1958. ret = vsc9959_psfp_sgi_table_add(ocelot, sgi);
  1959. if (ret) {
  1960. kfree(sgi);
  1961. goto err;
  1962. }
  1963. sfi.sg_valid = 1;
  1964. sfi.sgid = sgi->index;
  1965. kfree(sgi);
  1966. break;
  1967. case FLOW_ACTION_POLICE:
  1968. index = a->hw_index + VSC9959_PSFP_POLICER_BASE;
  1969. if (index > VSC9959_PSFP_POLICER_MAX) {
  1970. ret = -EINVAL;
  1971. goto err;
  1972. }
  1973. rate = a->police.rate_bytes_ps;
  1974. burst = rate * PSCHED_NS2TICKS(a->police.burst);
  1975. pol = (struct ocelot_policer) {
  1976. .burst = div_u64(burst, PSCHED_TICKS_PER_SEC),
  1977. .rate = div_u64(rate, 1000) * 8,
  1978. };
  1979. ret = ocelot_vcap_policer_add(ocelot, index, &pol);
  1980. if (ret)
  1981. goto err;
  1982. sfi.fm_valid = 1;
  1983. sfi.fmid = index;
  1984. sfi.maxsdu = a->police.mtu;
  1985. break;
  1986. default:
  1987. mutex_unlock(&psfp->lock);
  1988. return -EOPNOTSUPP;
  1989. }
  1990. }
  1991. stream.ports = BIT(port);
  1992. stream.port = port;
  1993. sfi.portmask = stream.ports;
  1994. sfi.prio_valid = (stream.prio < 0 ? 0 : 1);
  1995. sfi.prio = (sfi.prio_valid ? stream.prio : 0);
  1996. sfi.enable = 1;
  1997. /* Check if stream is set. */
  1998. stream_entry = vsc9959_stream_table_lookup(&psfp->stream_list, &stream);
  1999. if (stream_entry) {
  2000. if (stream_entry->ports & BIT(port)) {
  2001. NL_SET_ERR_MSG_MOD(extack,
  2002. "The stream is added on this port");
  2003. ret = -EEXIST;
  2004. goto err;
  2005. }
  2006. if (stream_entry->ports != BIT(stream_entry->port)) {
  2007. NL_SET_ERR_MSG_MOD(extack,
  2008. "The stream is added on two ports");
  2009. ret = -EEXIST;
  2010. goto err;
  2011. }
  2012. stream_entry->ports |= BIT(port);
  2013. stream.ports = stream_entry->ports;
  2014. sfi_entry = vsc9959_psfp_sfi_table_get(&psfp->sfi_list,
  2015. stream_entry->sfid);
  2016. memcpy(&old_sfi, sfi_entry, sizeof(old_sfi));
  2017. vsc9959_psfp_sfi_table_del(ocelot, stream_entry->sfid);
  2018. old_sfi.portmask = stream_entry->ports;
  2019. sfi.portmask = stream.ports;
  2020. if (stream_entry->port > port) {
  2021. ret = vsc9959_psfp_sfi_table_add2(ocelot, &sfi,
  2022. &old_sfi);
  2023. stream_entry->dummy = true;
  2024. } else {
  2025. ret = vsc9959_psfp_sfi_table_add2(ocelot, &old_sfi,
  2026. &sfi);
  2027. stream.dummy = true;
  2028. }
  2029. if (ret)
  2030. goto err;
  2031. stream_entry->sfid = old_sfi.index;
  2032. } else {
  2033. ret = vsc9959_psfp_sfi_table_add(ocelot, &sfi);
  2034. if (ret)
  2035. goto err;
  2036. }
  2037. stream.sfid = sfi.index;
  2038. stream.sfid_valid = 1;
  2039. ret = vsc9959_stream_table_add(ocelot, &psfp->stream_list,
  2040. &stream, extack);
  2041. if (ret) {
  2042. vsc9959_psfp_sfi_table_del(ocelot, stream.sfid);
  2043. goto err;
  2044. }
  2045. mutex_unlock(&psfp->lock);
  2046. return 0;
  2047. err:
  2048. if (sfi.sg_valid)
  2049. vsc9959_psfp_sgi_table_del(ocelot, sfi.sgid);
  2050. if (sfi.fm_valid)
  2051. ocelot_vcap_policer_del(ocelot, sfi.fmid);
  2052. mutex_unlock(&psfp->lock);
  2053. return ret;
  2054. }
  2055. static int vsc9959_psfp_filter_del(struct ocelot *ocelot,
  2056. struct flow_cls_offload *f)
  2057. {
  2058. struct felix_stream *stream, tmp, *stream_entry;
  2059. struct ocelot_psfp_list *psfp = &ocelot->psfp;
  2060. static struct felix_stream_filter *sfi;
  2061. mutex_lock(&psfp->lock);
  2062. stream = vsc9959_stream_table_get(&psfp->stream_list, f->cookie);
  2063. if (!stream) {
  2064. mutex_unlock(&psfp->lock);
  2065. return -ENOMEM;
  2066. }
  2067. sfi = vsc9959_psfp_sfi_table_get(&psfp->sfi_list, stream->sfid);
  2068. if (!sfi) {
  2069. mutex_unlock(&psfp->lock);
  2070. return -ENOMEM;
  2071. }
  2072. if (sfi->sg_valid)
  2073. vsc9959_psfp_sgi_table_del(ocelot, sfi->sgid);
  2074. if (sfi->fm_valid)
  2075. ocelot_vcap_policer_del(ocelot, sfi->fmid);
  2076. vsc9959_psfp_sfi_table_del(ocelot, stream->sfid);
  2077. memcpy(&tmp, stream, sizeof(tmp));
  2078. stream->sfid_valid = 0;
  2079. vsc9959_stream_table_del(ocelot, stream);
  2080. stream_entry = vsc9959_stream_table_lookup(&psfp->stream_list, &tmp);
  2081. if (stream_entry) {
  2082. stream_entry->ports = BIT(stream_entry->port);
  2083. if (stream_entry->dummy) {
  2084. stream_entry->dummy = false;
  2085. vsc9959_mact_stream_set(ocelot, stream_entry, NULL);
  2086. }
  2087. vsc9959_psfp_sfidmask_set(ocelot, stream_entry->sfid,
  2088. stream_entry->ports);
  2089. }
  2090. mutex_unlock(&psfp->lock);
  2091. return 0;
  2092. }
  2093. static void vsc9959_update_sfid_stats(struct ocelot *ocelot,
  2094. struct felix_stream_filter *sfi)
  2095. {
  2096. struct felix_stream_filter_counters *s = &sfi->stats;
  2097. u32 match, not_pass_gate, not_pass_sdu, red;
  2098. u32 sfid = sfi->index;
  2099. lockdep_assert_held(&ocelot->stat_view_lock);
  2100. ocelot_rmw(ocelot, SYS_STAT_CFG_STAT_VIEW(sfid),
  2101. SYS_STAT_CFG_STAT_VIEW_M,
  2102. SYS_STAT_CFG);
  2103. match = ocelot_read(ocelot, SYS_COUNT_SF_MATCHING_FRAMES);
  2104. not_pass_gate = ocelot_read(ocelot, SYS_COUNT_SF_NOT_PASSING_FRAMES);
  2105. not_pass_sdu = ocelot_read(ocelot, SYS_COUNT_SF_NOT_PASSING_SDU);
  2106. red = ocelot_read(ocelot, SYS_COUNT_SF_RED_FRAMES);
  2107. /* Clear the PSFP counter. */
  2108. ocelot_write(ocelot,
  2109. SYS_STAT_CFG_STAT_VIEW(sfid) |
  2110. SYS_STAT_CFG_STAT_CLEAR_SHOT(0x10),
  2111. SYS_STAT_CFG);
  2112. s->match += match;
  2113. s->not_pass_gate += not_pass_gate;
  2114. s->not_pass_sdu += not_pass_sdu;
  2115. s->red += red;
  2116. }
  2117. /* Caller must hold &ocelot->stat_view_lock */
  2118. static void vsc9959_update_stats(struct ocelot *ocelot)
  2119. {
  2120. struct ocelot_psfp_list *psfp = &ocelot->psfp;
  2121. struct felix_stream_filter *sfi;
  2122. mutex_lock(&psfp->lock);
  2123. list_for_each_entry(sfi, &psfp->sfi_list, list)
  2124. vsc9959_update_sfid_stats(ocelot, sfi);
  2125. mutex_unlock(&psfp->lock);
  2126. }
  2127. static int vsc9959_psfp_stats_get(struct ocelot *ocelot,
  2128. struct flow_cls_offload *f,
  2129. struct flow_stats *stats)
  2130. {
  2131. struct ocelot_psfp_list *psfp = &ocelot->psfp;
  2132. struct felix_stream_filter_counters *s;
  2133. static struct felix_stream_filter *sfi;
  2134. struct felix_stream *stream;
  2135. stream = vsc9959_stream_table_get(&psfp->stream_list, f->cookie);
  2136. if (!stream)
  2137. return -ENOMEM;
  2138. sfi = vsc9959_psfp_sfi_table_get(&psfp->sfi_list, stream->sfid);
  2139. if (!sfi)
  2140. return -EINVAL;
  2141. mutex_lock(&ocelot->stat_view_lock);
  2142. vsc9959_update_sfid_stats(ocelot, sfi);
  2143. s = &sfi->stats;
  2144. stats->pkts = s->match;
  2145. stats->drops = s->not_pass_gate + s->not_pass_sdu + s->red;
  2146. memset(s, 0, sizeof(*s));
  2147. mutex_unlock(&ocelot->stat_view_lock);
  2148. return 0;
  2149. }
  2150. static void vsc9959_psfp_init(struct ocelot *ocelot)
  2151. {
  2152. struct ocelot_psfp_list *psfp = &ocelot->psfp;
  2153. INIT_LIST_HEAD(&psfp->stream_list);
  2154. INIT_LIST_HEAD(&psfp->sfi_list);
  2155. INIT_LIST_HEAD(&psfp->sgi_list);
  2156. mutex_init(&psfp->lock);
  2157. }
  2158. /* When using cut-through forwarding and the egress port runs at a higher data
  2159. * rate than the ingress port, the packet currently under transmission would
  2160. * suffer an underrun since it would be transmitted faster than it is received.
  2161. * The Felix switch implementation of cut-through forwarding does not check in
  2162. * hardware whether this condition is satisfied or not, so we must restrict the
  2163. * list of ports that have cut-through forwarding enabled on egress to only be
  2164. * the ports operating at the lowest link speed within their respective
  2165. * forwarding domain.
  2166. */
  2167. static void vsc9959_cut_through_fwd(struct ocelot *ocelot)
  2168. {
  2169. struct felix *felix = ocelot_to_felix(ocelot);
  2170. struct dsa_switch *ds = felix->ds;
  2171. int tc, port, other_port;
  2172. lockdep_assert_held(&ocelot->fwd_domain_lock);
  2173. for (port = 0; port < ocelot->num_phys_ports; port++) {
  2174. struct ocelot_port *ocelot_port = ocelot->ports[port];
  2175. int min_speed = ocelot_port->speed;
  2176. unsigned long mask = 0;
  2177. u32 tmp, val = 0;
  2178. /* Disable cut-through on ports that are down */
  2179. if (ocelot_port->speed <= 0)
  2180. goto set;
  2181. if (dsa_is_cpu_port(ds, port)) {
  2182. /* Ocelot switches forward from the NPI port towards
  2183. * any port, regardless of it being in the NPI port's
  2184. * forwarding domain or not.
  2185. */
  2186. mask = dsa_user_ports(ds);
  2187. } else {
  2188. mask = ocelot_get_bridge_fwd_mask(ocelot, port);
  2189. mask &= ~BIT(port);
  2190. if (ocelot->npi >= 0)
  2191. mask |= BIT(ocelot->npi);
  2192. else
  2193. mask |= ocelot_port_assigned_dsa_8021q_cpu_mask(ocelot,
  2194. port);
  2195. }
  2196. /* Calculate the minimum link speed, among the ports that are
  2197. * up, of this source port's forwarding domain.
  2198. */
  2199. for_each_set_bit(other_port, &mask, ocelot->num_phys_ports) {
  2200. struct ocelot_port *other_ocelot_port;
  2201. other_ocelot_port = ocelot->ports[other_port];
  2202. if (other_ocelot_port->speed <= 0)
  2203. continue;
  2204. if (min_speed > other_ocelot_port->speed)
  2205. min_speed = other_ocelot_port->speed;
  2206. }
  2207. /* Enable cut-through forwarding for all traffic classes that
  2208. * don't have oversized dropping enabled, since this check is
  2209. * bypassed in cut-through mode.
  2210. */
  2211. if (ocelot_port->speed == min_speed) {
  2212. val = GENMASK(7, 0);
  2213. for (tc = 0; tc < OCELOT_NUM_TC; tc++)
  2214. if (vsc9959_port_qmaxsdu_get(ocelot, port, tc))
  2215. val &= ~BIT(tc);
  2216. }
  2217. set:
  2218. tmp = ocelot_read_rix(ocelot, ANA_CUT_THRU_CFG, port);
  2219. if (tmp == val)
  2220. continue;
  2221. dev_dbg(ocelot->dev,
  2222. "port %d fwd mask 0x%lx speed %d min_speed %d, %s cut-through forwarding on TC mask 0x%x\n",
  2223. port, mask, ocelot_port->speed, min_speed,
  2224. val ? "enabling" : "disabling", val);
  2225. ocelot_write_rix(ocelot, val, ANA_CUT_THRU_CFG, port);
  2226. }
  2227. }
  2228. static const struct ocelot_ops vsc9959_ops = {
  2229. .reset = vsc9959_reset,
  2230. .wm_enc = vsc9959_wm_enc,
  2231. .wm_dec = vsc9959_wm_dec,
  2232. .wm_stat = vsc9959_wm_stat,
  2233. .port_to_netdev = felix_port_to_netdev,
  2234. .netdev_to_port = felix_netdev_to_port,
  2235. .psfp_init = vsc9959_psfp_init,
  2236. .psfp_filter_add = vsc9959_psfp_filter_add,
  2237. .psfp_filter_del = vsc9959_psfp_filter_del,
  2238. .psfp_stats_get = vsc9959_psfp_stats_get,
  2239. .cut_through_fwd = vsc9959_cut_through_fwd,
  2240. .tas_clock_adjust = vsc9959_tas_clock_adjust,
  2241. .update_stats = vsc9959_update_stats,
  2242. };
  2243. static const struct felix_info felix_info_vsc9959 = {
  2244. .resources = vsc9959_resources,
  2245. .num_resources = ARRAY_SIZE(vsc9959_resources),
  2246. .resource_names = vsc9959_resource_names,
  2247. .regfields = vsc9959_regfields,
  2248. .map = vsc9959_regmap,
  2249. .ops = &vsc9959_ops,
  2250. .stats_layout = vsc9959_stats_layout,
  2251. .vcap = vsc9959_vcap_props,
  2252. .vcap_pol_base = VSC9959_VCAP_POLICER_BASE,
  2253. .vcap_pol_max = VSC9959_VCAP_POLICER_MAX,
  2254. .vcap_pol_base2 = 0,
  2255. .vcap_pol_max2 = 0,
  2256. .num_mact_rows = 2048,
  2257. .num_ports = VSC9959_NUM_PORTS,
  2258. .num_tx_queues = OCELOT_NUM_TC,
  2259. .quirk_no_xtr_irq = true,
  2260. .ptp_caps = &vsc9959_ptp_caps,
  2261. .mdio_bus_alloc = vsc9959_mdio_bus_alloc,
  2262. .mdio_bus_free = vsc9959_mdio_bus_free,
  2263. .phylink_validate = vsc9959_phylink_validate,
  2264. .port_modes = vsc9959_port_modes,
  2265. .port_setup_tc = vsc9959_port_setup_tc,
  2266. .port_sched_speed_set = vsc9959_sched_speed_set,
  2267. .tas_guard_bands_update = vsc9959_tas_guard_bands_update,
  2268. };
  2269. static irqreturn_t felix_irq_handler(int irq, void *data)
  2270. {
  2271. struct ocelot *ocelot = (struct ocelot *)data;
  2272. /* The INTB interrupt is used for both PTP TX timestamp interrupt
  2273. * and preemption status change interrupt on each port.
  2274. *
  2275. * - Get txtstamp if have
  2276. * - TODO: handle preemption. Without handling it, driver may get
  2277. * interrupt storm.
  2278. */
  2279. ocelot_get_txtstamp(ocelot);
  2280. return IRQ_HANDLED;
  2281. }
  2282. static int felix_pci_probe(struct pci_dev *pdev,
  2283. const struct pci_device_id *id)
  2284. {
  2285. struct dsa_switch *ds;
  2286. struct ocelot *ocelot;
  2287. struct felix *felix;
  2288. int err;
  2289. if (pdev->dev.of_node && !of_device_is_available(pdev->dev.of_node)) {
  2290. dev_info(&pdev->dev, "device is disabled, skipping\n");
  2291. return -ENODEV;
  2292. }
  2293. err = pci_enable_device(pdev);
  2294. if (err) {
  2295. dev_err(&pdev->dev, "device enable failed\n");
  2296. goto err_pci_enable;
  2297. }
  2298. felix = kzalloc(sizeof(struct felix), GFP_KERNEL);
  2299. if (!felix) {
  2300. err = -ENOMEM;
  2301. dev_err(&pdev->dev, "Failed to allocate driver memory\n");
  2302. goto err_alloc_felix;
  2303. }
  2304. pci_set_drvdata(pdev, felix);
  2305. ocelot = &felix->ocelot;
  2306. ocelot->dev = &pdev->dev;
  2307. ocelot->num_flooding_pgids = OCELOT_NUM_TC;
  2308. felix->info = &felix_info_vsc9959;
  2309. felix->switch_base = pci_resource_start(pdev, VSC9959_SWITCH_PCI_BAR);
  2310. pci_set_master(pdev);
  2311. err = devm_request_threaded_irq(&pdev->dev, pdev->irq, NULL,
  2312. &felix_irq_handler, IRQF_ONESHOT,
  2313. "felix-intb", ocelot);
  2314. if (err) {
  2315. dev_err(&pdev->dev, "Failed to request irq\n");
  2316. goto err_alloc_irq;
  2317. }
  2318. ocelot->ptp = 1;
  2319. ds = kzalloc(sizeof(struct dsa_switch), GFP_KERNEL);
  2320. if (!ds) {
  2321. err = -ENOMEM;
  2322. dev_err(&pdev->dev, "Failed to allocate DSA switch\n");
  2323. goto err_alloc_ds;
  2324. }
  2325. ds->dev = &pdev->dev;
  2326. ds->num_ports = felix->info->num_ports;
  2327. ds->num_tx_queues = felix->info->num_tx_queues;
  2328. ds->ops = &felix_switch_ops;
  2329. ds->priv = ocelot;
  2330. felix->ds = ds;
  2331. felix->tag_proto = DSA_TAG_PROTO_OCELOT;
  2332. err = dsa_register_switch(ds);
  2333. if (err) {
  2334. dev_err_probe(&pdev->dev, err, "Failed to register DSA switch\n");
  2335. goto err_register_ds;
  2336. }
  2337. return 0;
  2338. err_register_ds:
  2339. kfree(ds);
  2340. err_alloc_ds:
  2341. err_alloc_irq:
  2342. kfree(felix);
  2343. err_alloc_felix:
  2344. pci_disable_device(pdev);
  2345. err_pci_enable:
  2346. return err;
  2347. }
  2348. static void felix_pci_remove(struct pci_dev *pdev)
  2349. {
  2350. struct felix *felix = pci_get_drvdata(pdev);
  2351. if (!felix)
  2352. return;
  2353. dsa_unregister_switch(felix->ds);
  2354. kfree(felix->ds);
  2355. kfree(felix);
  2356. pci_disable_device(pdev);
  2357. }
  2358. static void felix_pci_shutdown(struct pci_dev *pdev)
  2359. {
  2360. struct felix *felix = pci_get_drvdata(pdev);
  2361. if (!felix)
  2362. return;
  2363. dsa_switch_shutdown(felix->ds);
  2364. pci_set_drvdata(pdev, NULL);
  2365. }
  2366. static struct pci_device_id felix_ids[] = {
  2367. {
  2368. /* NXP LS1028A */
  2369. PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, 0xEEF0),
  2370. },
  2371. { 0, }
  2372. };
  2373. MODULE_DEVICE_TABLE(pci, felix_ids);
  2374. static struct pci_driver felix_vsc9959_pci_driver = {
  2375. .name = "mscc_felix",
  2376. .id_table = felix_ids,
  2377. .probe = felix_pci_probe,
  2378. .remove = felix_pci_remove,
  2379. .shutdown = felix_pci_shutdown,
  2380. };
  2381. module_pci_driver(felix_vsc9959_pci_driver);
  2382. MODULE_DESCRIPTION("Felix Switch driver");
  2383. MODULE_LICENSE("GPL v2");