comphy_cp110.c 72 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2015-2016 Marvell International Ltd.
  4. */
  5. #include <common.h>
  6. #include <fdtdec.h>
  7. #include <asm/io.h>
  8. #include <asm/arch/cpu.h>
  9. #include <asm/arch/soc.h>
  10. #include "comphy.h"
  11. #include "comphy_hpipe.h"
  12. #include "sata.h"
  13. #include "utmi_phy.h"
  14. DECLARE_GLOBAL_DATA_PTR;
  15. #define SD_ADDR(base, lane) (base + 0x1000 * lane)
  16. #define HPIPE_ADDR(base, lane) (SD_ADDR(base, lane) + 0x800)
  17. #define COMPHY_ADDR(base, lane) (base + 0x28 * lane)
  18. struct utmi_phy_data {
  19. void __iomem *utmi_base_addr;
  20. void __iomem *usb_cfg_addr;
  21. void __iomem *utmi_cfg_addr;
  22. u32 utmi_phy_port;
  23. };
  24. /*
  25. * For CP-110 we have 2 Selector registers "PHY Selectors",
  26. * and "PIPE Selectors".
  27. * PIPE selector include USB and PCIe options.
  28. * PHY selector include the Ethernet and SATA options, every Ethernet
  29. * option has different options, for example: serdes lane2 had option
  30. * Eth_port_0 that include (SGMII0, RXAUI0, SFI)
  31. */
  32. struct comphy_mux_data cp110_comphy_phy_mux_data[] = {
  33. {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII1, 0x1}, /* Lane 0 */
  34. {PHY_TYPE_SATA1, 0x4} } },
  35. {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 1 */
  36. {PHY_TYPE_SATA0, 0x4} } },
  37. {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x1}, /* Lane 2 */
  38. {PHY_TYPE_RXAUI0, 0x1}, {PHY_TYPE_SFI, 0x1},
  39. {PHY_TYPE_SATA0, 0x4} } },
  40. {8, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_RXAUI1, 0x1}, /* Lane 3 */
  41. {PHY_TYPE_SGMII1, 0x2}, {PHY_TYPE_SATA1, 0x4} } },
  42. {7, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x2}, /* Lane 4 */
  43. {PHY_TYPE_RXAUI0, 0x2}, {PHY_TYPE_SFI, 0x2},
  44. {PHY_TYPE_SGMII1, 0x1} } },
  45. {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 5 */
  46. {PHY_TYPE_RXAUI1, 0x2}, {PHY_TYPE_SATA1, 0x4} } },
  47. };
  48. struct comphy_mux_data cp110_comphy_pipe_mux_data[] = {
  49. {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX0, 0x4} } }, /* Lane 0 */
  50. {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 1 */
  51. {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_USB3_DEVICE, 0x2},
  52. {PHY_TYPE_PEX0, 0x4} } },
  53. {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 2 */
  54. {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
  55. {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 3 */
  56. {PHY_TYPE_USB3_HOST1, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
  57. {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 4 */
  58. {PHY_TYPE_USB3_HOST1, 0x1},
  59. {PHY_TYPE_USB3_DEVICE, 0x2}, {PHY_TYPE_PEX1, 0x4} } },
  60. {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX2, 0x4} } }, /* Lane 5 */
  61. };
  62. static u32 polling_with_timeout(void __iomem *addr, u32 val,
  63. u32 mask, unsigned long usec_timout)
  64. {
  65. u32 data;
  66. do {
  67. udelay(1);
  68. data = readl(addr) & mask;
  69. } while (data != val && --usec_timout > 0);
  70. if (usec_timout == 0)
  71. return data;
  72. return 0;
  73. }
  74. static int comphy_pcie_power_up(u32 lane, u32 pcie_width, bool clk_src,
  75. bool is_end_point, void __iomem *hpipe_base,
  76. void __iomem *comphy_base)
  77. {
  78. u32 mask, data, ret = 1;
  79. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  80. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  81. void __iomem *addr;
  82. u32 pcie_clk = 0; /* set input by default */
  83. debug_enter();
  84. /*
  85. * ToDo:
  86. * Add SAR (Sample-At-Reset) configuration for the PCIe clock
  87. * direction. SAR code is currently not ported from Marvell
  88. * U-Boot to mainline version.
  89. *
  90. * SerDes Lane 4/5 got the PCIe ref-clock #1,
  91. * and SerDes Lane 0 got PCIe ref-clock #0
  92. */
  93. debug("PCIe clock = %x\n", pcie_clk);
  94. debug("PCIe RC = %d\n", !is_end_point);
  95. debug("PCIe width = %d\n", pcie_width);
  96. /* enable PCIe by4 and by2 */
  97. if (lane == 0) {
  98. if (pcie_width == 4) {
  99. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  100. 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET,
  101. COMMON_PHY_SD_CTRL1_PCIE_X4_EN_MASK);
  102. } else if (pcie_width == 2) {
  103. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  104. 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET,
  105. COMMON_PHY_SD_CTRL1_PCIE_X2_EN_MASK);
  106. }
  107. }
  108. /*
  109. * If PCIe clock is output and clock source from SerDes lane 5,
  110. * we need to configure the clock-source MUX.
  111. * By default, the clock source is from lane 4
  112. */
  113. if (pcie_clk && clk_src && (lane == 5)) {
  114. reg_set((void __iomem *)DFX_DEV_GEN_CTRL12,
  115. 0x3 << DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET,
  116. DFX_DEV_GEN_PCIE_CLK_SRC_MASK);
  117. }
  118. debug("stage: RFU configurations - hard reset comphy\n");
  119. /* RFU configurations - hard reset comphy */
  120. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  121. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  122. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  123. data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  124. mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  125. data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  126. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  127. data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  128. mask |= COMMON_PHY_PHY_MODE_MASK;
  129. data |= 0x0 << COMMON_PHY_PHY_MODE_OFFSET;
  130. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  131. /* release from hard reset */
  132. mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  133. data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  134. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  135. data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  136. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  137. /* Wait 1ms - until band gap and ref clock ready */
  138. mdelay(1);
  139. /* Start comphy Configuration */
  140. debug("stage: Comphy configuration\n");
  141. /* Set PIPE soft reset */
  142. mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
  143. data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
  144. /* Set PHY datapath width mode for V0 */
  145. mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
  146. data |= 0x1 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
  147. /* Set Data bus width USB mode for V0 */
  148. mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
  149. data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
  150. /* Set CORE_CLK output frequency for 250Mhz */
  151. mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
  152. data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
  153. reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
  154. /* Set PLL ready delay for 0x2 */
  155. data = 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET;
  156. mask = HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK;
  157. if (pcie_width != 1) {
  158. data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_OFFSET;
  159. mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_MASK;
  160. data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_OFFSET;
  161. mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_MASK;
  162. }
  163. reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG, data, mask);
  164. /* Set PIPE mode interface to PCIe3 - 0x1 & set lane order */
  165. data = 0x1 << HPIPE_CLK_SRC_HI_MODE_PIPE_OFFSET;
  166. mask = HPIPE_CLK_SRC_HI_MODE_PIPE_MASK;
  167. if (pcie_width != 1) {
  168. mask |= HPIPE_CLK_SRC_HI_LANE_STRT_MASK;
  169. mask |= HPIPE_CLK_SRC_HI_LANE_MASTER_MASK;
  170. mask |= HPIPE_CLK_SRC_HI_LANE_BREAK_MASK;
  171. if (lane == 0) {
  172. data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_STRT_OFFSET;
  173. data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_MASTER_OFFSET;
  174. } else if (lane == (pcie_width - 1)) {
  175. data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_BREAK_OFFSET;
  176. }
  177. }
  178. reg_set(hpipe_addr + HPIPE_CLK_SRC_HI_REG, data, mask);
  179. /* Config update polarity equalization */
  180. reg_set(hpipe_addr + HPIPE_LANE_EQ_CFG1_REG,
  181. 0x1 << HPIPE_CFG_UPDATE_POLARITY_OFFSET,
  182. HPIPE_CFG_UPDATE_POLARITY_MASK);
  183. /* Set PIPE version 4 to mode enable */
  184. reg_set(hpipe_addr + HPIPE_DFE_CTRL_28_REG,
  185. 0x1 << HPIPE_DFE_CTRL_28_PIPE4_OFFSET,
  186. HPIPE_DFE_CTRL_28_PIPE4_MASK);
  187. /* TODO: check if pcie clock is output/input - for bringup use input*/
  188. /* Enable PIN clock 100M_125M */
  189. mask = 0;
  190. data = 0;
  191. /* Only if clock is output, configure the clock-source mux */
  192. if (pcie_clk) {
  193. mask |= HPIPE_MISC_CLK100M_125M_MASK;
  194. data |= 0x1 << HPIPE_MISC_CLK100M_125M_OFFSET;
  195. }
  196. /*
  197. * Set PIN_TXDCLK_2X Clock Frequency Selection for outputs 500MHz
  198. * clock
  199. */
  200. mask |= HPIPE_MISC_TXDCLK_2X_MASK;
  201. data |= 0x0 << HPIPE_MISC_TXDCLK_2X_OFFSET;
  202. /* Enable 500MHz Clock */
  203. mask |= HPIPE_MISC_CLK500_EN_MASK;
  204. data |= 0x1 << HPIPE_MISC_CLK500_EN_OFFSET;
  205. if (pcie_clk) { /* output */
  206. /* Set reference clock comes from group 1 */
  207. mask |= HPIPE_MISC_REFCLK_SEL_MASK;
  208. data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
  209. } else {
  210. /* Set reference clock comes from group 2 */
  211. mask |= HPIPE_MISC_REFCLK_SEL_MASK;
  212. data |= 0x1 << HPIPE_MISC_REFCLK_SEL_OFFSET;
  213. }
  214. mask |= HPIPE_MISC_ICP_FORCE_MASK;
  215. data |= 0x1 << HPIPE_MISC_ICP_FORCE_OFFSET;
  216. reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
  217. if (pcie_clk) { /* output */
  218. /* Set reference frequcency select - 0x2 for 25MHz*/
  219. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  220. data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  221. } else {
  222. /* Set reference frequcency select - 0x0 for 100MHz*/
  223. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  224. data = 0x0 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  225. }
  226. /* Set PHY mode to PCIe */
  227. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  228. data |= 0x3 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  229. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  230. /* ref clock alignment */
  231. if (pcie_width != 1) {
  232. mask = HPIPE_LANE_ALIGN_OFF_MASK;
  233. data = 0x0 << HPIPE_LANE_ALIGN_OFF_OFFSET;
  234. reg_set(hpipe_addr + HPIPE_LANE_ALIGN_REG, data, mask);
  235. }
  236. /*
  237. * Set the amount of time spent in the LoZ state - set for 0x7 only if
  238. * the PCIe clock is output
  239. */
  240. if (pcie_clk) {
  241. reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL,
  242. 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET,
  243. HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK);
  244. }
  245. /* Set Maximal PHY Generation Setting(8Gbps) */
  246. mask = HPIPE_INTERFACE_GEN_MAX_MASK;
  247. data = 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET;
  248. /* Bypass frame detection and sync detection for RX DATA */
  249. mask = HPIPE_INTERFACE_DET_BYPASS_MASK;
  250. data = 0x1 << HPIPE_INTERFACE_DET_BYPASS_OFFSET;
  251. /* Set Link Train Mode (Tx training control pins are used) */
  252. mask |= HPIPE_INTERFACE_LINK_TRAIN_MASK;
  253. data |= 0x1 << HPIPE_INTERFACE_LINK_TRAIN_OFFSET;
  254. reg_set(hpipe_addr + HPIPE_INTERFACE_REG, data, mask);
  255. /* Set Idle_sync enable */
  256. mask = HPIPE_PCIE_IDLE_SYNC_MASK;
  257. data = 0x1 << HPIPE_PCIE_IDLE_SYNC_OFFSET;
  258. /* Select bits for PCIE Gen3(32bit) */
  259. mask |= HPIPE_PCIE_SEL_BITS_MASK;
  260. data |= 0x2 << HPIPE_PCIE_SEL_BITS_OFFSET;
  261. reg_set(hpipe_addr + HPIPE_PCIE_REG0, data, mask);
  262. /* Enable Tx_adapt_g1 */
  263. mask = HPIPE_TX_TRAIN_CTRL_G1_MASK;
  264. data = 0x1 << HPIPE_TX_TRAIN_CTRL_G1_OFFSET;
  265. /* Enable Tx_adapt_gn1 */
  266. mask |= HPIPE_TX_TRAIN_CTRL_GN1_MASK;
  267. data |= 0x1 << HPIPE_TX_TRAIN_CTRL_GN1_OFFSET;
  268. /* Disable Tx_adapt_g0 */
  269. mask |= HPIPE_TX_TRAIN_CTRL_G0_MASK;
  270. data |= 0x0 << HPIPE_TX_TRAIN_CTRL_G0_OFFSET;
  271. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask);
  272. /* Set reg_tx_train_chk_init */
  273. mask = HPIPE_TX_TRAIN_CHK_INIT_MASK;
  274. data = 0x0 << HPIPE_TX_TRAIN_CHK_INIT_OFFSET;
  275. /* Enable TX_COE_FM_PIN_PCIE3_EN */
  276. mask |= HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_MASK;
  277. data |= 0x1 << HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_OFFSET;
  278. reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask);
  279. debug("stage: TRx training parameters\n");
  280. /* Set Preset sweep configurations */
  281. mask = HPIPE_TX_TX_STATUS_CHECK_MODE_MASK;
  282. data = 0x1 << HPIPE_TX_STATUS_CHECK_MODE_OFFSET;
  283. mask |= HPIPE_TX_NUM_OF_PRESET_MASK;
  284. data |= 0x7 << HPIPE_TX_NUM_OF_PRESET_OFFSET;
  285. mask |= HPIPE_TX_SWEEP_PRESET_EN_MASK;
  286. data |= 0x1 << HPIPE_TX_SWEEP_PRESET_EN_OFFSET;
  287. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_11_REG, data, mask);
  288. /* Tx train start configuration */
  289. mask = HPIPE_TX_TRAIN_START_SQ_EN_MASK;
  290. data = 0x1 << HPIPE_TX_TRAIN_START_SQ_EN_OFFSET;
  291. mask |= HPIPE_TX_TRAIN_START_FRM_DET_EN_MASK;
  292. data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_DET_EN_OFFSET;
  293. mask |= HPIPE_TX_TRAIN_START_FRM_LOCK_EN_MASK;
  294. data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_LOCK_EN_OFFSET;
  295. mask |= HPIPE_TX_TRAIN_WAIT_TIME_EN_MASK;
  296. data |= 0x1 << HPIPE_TX_TRAIN_WAIT_TIME_EN_OFFSET;
  297. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask);
  298. /* Enable Tx train P2P */
  299. mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK;
  300. data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET;
  301. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask);
  302. /* Configure Tx train timeout */
  303. mask = HPIPE_TRX_TRAIN_TIMER_MASK;
  304. data = 0x17 << HPIPE_TRX_TRAIN_TIMER_OFFSET;
  305. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_4_REG, data, mask);
  306. /* Disable G0/G1/GN1 adaptation */
  307. mask = HPIPE_TX_TRAIN_CTRL_G1_MASK | HPIPE_TX_TRAIN_CTRL_GN1_MASK
  308. | HPIPE_TX_TRAIN_CTRL_G0_OFFSET;
  309. data = 0;
  310. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask);
  311. /* Disable DTL frequency loop */
  312. mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
  313. data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
  314. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
  315. /* Configure G3 DFE */
  316. mask = HPIPE_G3_DFE_RES_MASK;
  317. data = 0x3 << HPIPE_G3_DFE_RES_OFFSET;
  318. reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask);
  319. /* Use TX/RX training result for DFE */
  320. mask = HPIPE_DFE_RES_FORCE_MASK;
  321. data = 0x0 << HPIPE_DFE_RES_FORCE_OFFSET;
  322. reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
  323. /* Configure initial and final coefficient value for receiver */
  324. mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK;
  325. data = 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET;
  326. mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK;
  327. data |= 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET;
  328. mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK;
  329. data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET;
  330. reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask);
  331. /* Trigger sampler enable pulse */
  332. mask = HPIPE_SMAPLER_MASK;
  333. data = 0x1 << HPIPE_SMAPLER_OFFSET;
  334. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
  335. udelay(5);
  336. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, 0, mask);
  337. /* FFE resistor tuning for different bandwidth */
  338. mask = HPIPE_G3_FFE_DEG_RES_LEVEL_MASK;
  339. data = 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET;
  340. mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK;
  341. data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET;
  342. reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask);
  343. /* Pattern lock lost timeout disable */
  344. mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK;
  345. data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET;
  346. reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask);
  347. /* Configure DFE adaptations */
  348. mask = HPIPE_CDR_MAX_DFE_ADAPT_1_MASK;
  349. data = 0x1 << HPIPE_CDR_MAX_DFE_ADAPT_1_OFFSET;
  350. mask |= HPIPE_CDR_MAX_DFE_ADAPT_0_MASK;
  351. data |= 0x0 << HPIPE_CDR_MAX_DFE_ADAPT_0_OFFSET;
  352. mask |= HPIPE_CDR_RX_MAX_DFE_ADAPT_1_MASK;
  353. data |= 0x0 << HPIPE_CDR_RX_MAX_DFE_ADAPT_1_OFFSET;
  354. reg_set(hpipe_addr + HPIPE_CDR_CONTROL_REG, data, mask);
  355. mask = HPIPE_DFE_TX_MAX_DFE_ADAPT_MASK;
  356. data = 0x0 << HPIPE_DFE_TX_MAX_DFE_ADAPT_OFFSET;
  357. reg_set(hpipe_addr + HPIPE_DFE_CONTROL_REG, data, mask);
  358. /* Genration 2 setting 1*/
  359. mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK;
  360. data = 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET;
  361. mask |= HPIPE_G2_SET_1_G2_RX_SELMUPP_MASK;
  362. data |= 0x1 << HPIPE_G2_SET_1_G2_RX_SELMUPP_OFFSET;
  363. mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK;
  364. data |= 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET;
  365. reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask);
  366. /* DFE enable */
  367. mask = HPIPE_G2_DFE_RES_MASK;
  368. data = 0x3 << HPIPE_G2_DFE_RES_OFFSET;
  369. reg_set(hpipe_addr + HPIPE_G2_SETTINGS_4_REG, data, mask);
  370. /* Configure DFE Resolution */
  371. mask = HPIPE_LANE_CFG4_DFE_EN_SEL_MASK;
  372. data = 0x1 << HPIPE_LANE_CFG4_DFE_EN_SEL_OFFSET;
  373. reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
  374. /* VDD calibration control */
  375. mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
  376. data = 0x16 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
  377. reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
  378. /* Set PLL Charge-pump Current Control */
  379. mask = HPIPE_G3_SETTING_5_G3_ICP_MASK;
  380. data = 0x4 << HPIPE_G3_SETTING_5_G3_ICP_OFFSET;
  381. reg_set(hpipe_addr + HPIPE_G3_SETTING_5_REG, data, mask);
  382. /* Set lane rqualization remote setting */
  383. mask = HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_MASK;
  384. data = 0x1 << HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_OFFSET;
  385. mask |= HPIPE_LANE_CFG_FOM_ONLY_MODE_MASK;
  386. data |= 0x1 << HPIPE_LANE_CFG_FOM_ONLY_MODE_OFFFSET;
  387. mask |= HPIPE_LANE_CFG_FOM_PRESET_VECTOR_MASK;
  388. data |= 0x2 << HPIPE_LANE_CFG_FOM_PRESET_VECTOR_OFFSET;
  389. reg_set(hpipe_addr + HPIPE_LANE_EQ_REMOTE_SETTING_REG, data, mask);
  390. if (!is_end_point) {
  391. /* Set phy in root complex mode */
  392. mask = HPIPE_CFG_PHY_RC_EP_MASK;
  393. data = 0x1 << HPIPE_CFG_PHY_RC_EP_OFFSET;
  394. reg_set(hpipe_addr + HPIPE_LANE_EQU_CONFIG_0_REG, data, mask);
  395. }
  396. debug("stage: Comphy power up\n");
  397. /*
  398. * For PCIe by4 or by2 - release from reset only after finish to
  399. * configure all lanes
  400. */
  401. if ((pcie_width == 1) || (lane == (pcie_width - 1))) {
  402. u32 i, start_lane, end_lane;
  403. if (pcie_width != 1) {
  404. /* allows writing to all lanes in one write */
  405. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  406. 0x0 <<
  407. COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET,
  408. COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK);
  409. start_lane = 0;
  410. end_lane = pcie_width;
  411. /*
  412. * Release from PIPE soft reset
  413. * for PCIe by4 or by2 - release from soft reset
  414. * all lanes - can't use read modify write
  415. */
  416. reg_set(HPIPE_ADDR(hpipe_base, 0) +
  417. HPIPE_RST_CLK_CTRL_REG, 0x24, 0xffffffff);
  418. } else {
  419. start_lane = lane;
  420. end_lane = lane + 1;
  421. /*
  422. * Release from PIPE soft reset
  423. * for PCIe by4 or by2 - release from soft reset
  424. * all lanes
  425. */
  426. reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
  427. 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
  428. HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
  429. }
  430. if (pcie_width != 1) {
  431. /* disable writing to all lanes with one write */
  432. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  433. 0x3210 <<
  434. COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET,
  435. COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK);
  436. }
  437. debug("stage: Check PLL\n");
  438. /* Read lane status */
  439. for (i = start_lane; i < end_lane; i++) {
  440. addr = HPIPE_ADDR(hpipe_base, i) +
  441. HPIPE_LANE_STATUS1_REG;
  442. data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
  443. mask = data;
  444. data = polling_with_timeout(addr, data, mask, 15000);
  445. if (data != 0) {
  446. debug("Read from reg = %p - value = 0x%x\n",
  447. hpipe_addr + HPIPE_LANE_STATUS1_REG,
  448. data);
  449. pr_err("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
  450. ret = 0;
  451. }
  452. }
  453. }
  454. debug_exit();
  455. return ret;
  456. }
  457. static int comphy_usb3_power_up(u32 lane, void __iomem *hpipe_base,
  458. void __iomem *comphy_base)
  459. {
  460. u32 mask, data, ret = 1;
  461. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  462. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  463. void __iomem *addr;
  464. debug_enter();
  465. debug("stage: RFU configurations - hard reset comphy\n");
  466. /* RFU configurations - hard reset comphy */
  467. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  468. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  469. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  470. data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  471. mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  472. data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  473. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  474. data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  475. mask |= COMMON_PHY_PHY_MODE_MASK;
  476. data |= 0x1 << COMMON_PHY_PHY_MODE_OFFSET;
  477. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  478. /* release from hard reset */
  479. mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  480. data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  481. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  482. data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  483. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  484. /* Wait 1ms - until band gap and ref clock ready */
  485. mdelay(1);
  486. /* Start comphy Configuration */
  487. debug("stage: Comphy configuration\n");
  488. /* Set PIPE soft reset */
  489. mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
  490. data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
  491. /* Set PHY datapath width mode for V0 */
  492. mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
  493. data |= 0x0 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
  494. /* Set Data bus width USB mode for V0 */
  495. mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
  496. data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
  497. /* Set CORE_CLK output frequency for 250Mhz */
  498. mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
  499. data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
  500. reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
  501. /* Set PLL ready delay for 0x2 */
  502. reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG,
  503. 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET,
  504. HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK);
  505. /* Set reference clock to come from group 1 - 25Mhz */
  506. reg_set(hpipe_addr + HPIPE_MISC_REG,
  507. 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
  508. HPIPE_MISC_REFCLK_SEL_MASK);
  509. /* Set reference frequcency select - 0x2 */
  510. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  511. data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  512. /* Set PHY mode to USB - 0x5 */
  513. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  514. data |= 0x5 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  515. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  516. /* Set the amount of time spent in the LoZ state - set for 0x7 */
  517. reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL,
  518. 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET,
  519. HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK);
  520. /* Set max PHY generation setting - 5Gbps */
  521. reg_set(hpipe_addr + HPIPE_INTERFACE_REG,
  522. 0x1 << HPIPE_INTERFACE_GEN_MAX_OFFSET,
  523. HPIPE_INTERFACE_GEN_MAX_MASK);
  524. /* Set select data width 20Bit (SEL_BITS[2:0]) */
  525. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
  526. 0x1 << HPIPE_LOOPBACK_SEL_OFFSET,
  527. HPIPE_LOOPBACK_SEL_MASK);
  528. /* select de-emphasize 3.5db */
  529. reg_set(hpipe_addr + HPIPE_LANE_CONFIG0_REG,
  530. 0x1 << HPIPE_LANE_CONFIG0_TXDEEMPH0_OFFSET,
  531. HPIPE_LANE_CONFIG0_TXDEEMPH0_MASK);
  532. /* override tx margining from the MAC */
  533. reg_set(hpipe_addr + HPIPE_TST_MODE_CTRL_REG,
  534. 0x1 << HPIPE_TST_MODE_CTRL_MODE_MARGIN_OFFSET,
  535. HPIPE_TST_MODE_CTRL_MODE_MARGIN_MASK);
  536. /* Start analog paramters from ETP(HW) */
  537. debug("stage: Analog paramters from ETP(HW)\n");
  538. /* Set Pin DFE_PAT_DIS -> Bit[1]: PIN_DFE_PAT_DIS = 0x0 */
  539. mask = HPIPE_LANE_CFG4_DFE_CTRL_MASK;
  540. data = 0x1 << HPIPE_LANE_CFG4_DFE_CTRL_OFFSET;
  541. /* Set Override PHY DFE control pins for 0x1 */
  542. mask |= HPIPE_LANE_CFG4_DFE_OVER_MASK;
  543. data |= 0x1 << HPIPE_LANE_CFG4_DFE_OVER_OFFSET;
  544. /* Set Spread Spectrum Clock Enable fot 0x1 */
  545. mask |= HPIPE_LANE_CFG4_SSC_CTRL_MASK;
  546. data |= 0x1 << HPIPE_LANE_CFG4_SSC_CTRL_OFFSET;
  547. reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
  548. /* End of analog parameters */
  549. debug("stage: Comphy power up\n");
  550. /* Release from PIPE soft reset */
  551. reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
  552. 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
  553. HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
  554. /* wait 15ms - for comphy calibration done */
  555. debug("stage: Check PLL\n");
  556. /* Read lane status */
  557. addr = hpipe_addr + HPIPE_LANE_STATUS1_REG;
  558. data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
  559. mask = data;
  560. data = polling_with_timeout(addr, data, mask, 15000);
  561. if (data != 0) {
  562. debug("Read from reg = %p - value = 0x%x\n",
  563. hpipe_addr + HPIPE_LANE_STATUS1_REG, data);
  564. pr_err("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
  565. ret = 0;
  566. }
  567. debug_exit();
  568. return ret;
  569. }
  570. static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base,
  571. void __iomem *comphy_base, int cp_index)
  572. {
  573. u32 mask, data, i, ret = 1;
  574. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  575. void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
  576. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  577. void __iomem *addr;
  578. void __iomem *sata_base = NULL;
  579. int sata_node = -1; /* Set to -1 in order to read the first sata node */
  580. debug_enter();
  581. /*
  582. * Assumption - each CP has only one SATA controller
  583. * Calling fdt_node_offset_by_compatible first time (with sata_node = -1
  584. * will return the first node always.
  585. * In order to parse each CPs SATA node, fdt_node_offset_by_compatible
  586. * must be called again (according to the CP id)
  587. */
  588. for (i = 0; i < (cp_index + 1); i++)
  589. sata_node = fdt_node_offset_by_compatible(
  590. gd->fdt_blob, sata_node, "marvell,armada-8k-ahci");
  591. if (sata_node == 0) {
  592. pr_err("SATA node not found in FDT\n");
  593. return 0;
  594. }
  595. sata_base = (void __iomem *)fdtdec_get_addr_size_auto_noparent(
  596. gd->fdt_blob, sata_node, "reg", 0, NULL, true);
  597. if (sata_base == NULL) {
  598. pr_err("SATA address not found in FDT\n");
  599. return 0;
  600. }
  601. debug("SATA address found in FDT %p\n", sata_base);
  602. debug("stage: MAC configuration - power down comphy\n");
  603. /*
  604. * MAC configuration powe down comphy use indirect address for
  605. * vendor spesific SATA control register
  606. */
  607. reg_set(sata_base + SATA3_VENDOR_ADDRESS,
  608. SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
  609. SATA3_VENDOR_ADDR_MASK);
  610. /* SATA 0 power down */
  611. mask = SATA3_CTRL_SATA0_PD_MASK;
  612. data = 0x1 << SATA3_CTRL_SATA0_PD_OFFSET;
  613. /* SATA 1 power down */
  614. mask |= SATA3_CTRL_SATA1_PD_MASK;
  615. data |= 0x1 << SATA3_CTRL_SATA1_PD_OFFSET;
  616. /* SATA SSU disable */
  617. mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
  618. data |= 0x0 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
  619. /* SATA port 1 disable */
  620. mask |= SATA3_CTRL_SATA_SSU_MASK;
  621. data |= 0x0 << SATA3_CTRL_SATA_SSU_OFFSET;
  622. reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
  623. debug("stage: RFU configurations - hard reset comphy\n");
  624. /* RFU configurations - hard reset comphy */
  625. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  626. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  627. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  628. data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  629. mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  630. data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  631. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  632. data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  633. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  634. /* Set select data width 40Bit - SATA mode only */
  635. reg_set(comphy_addr + COMMON_PHY_CFG6_REG,
  636. 0x1 << COMMON_PHY_CFG6_IF_40_SEL_OFFSET,
  637. COMMON_PHY_CFG6_IF_40_SEL_MASK);
  638. /* release from hard reset in SD external */
  639. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  640. data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  641. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  642. data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  643. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  644. /* Wait 1ms - until band gap and ref clock ready */
  645. mdelay(1);
  646. debug("stage: Comphy configuration\n");
  647. /* Start comphy Configuration */
  648. /* Set reference clock to comes from group 1 - choose 25Mhz */
  649. reg_set(hpipe_addr + HPIPE_MISC_REG,
  650. 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
  651. HPIPE_MISC_REFCLK_SEL_MASK);
  652. /* Reference frequency select set 1 (for SATA = 25Mhz) */
  653. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  654. data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  655. /* PHY mode select (set SATA = 0x0 */
  656. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  657. data |= 0x0 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  658. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  659. /* Set max PHY generation setting - 6Gbps */
  660. reg_set(hpipe_addr + HPIPE_INTERFACE_REG,
  661. 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET,
  662. HPIPE_INTERFACE_GEN_MAX_MASK);
  663. /* Set select data width 40Bit (SEL_BITS[2:0]) */
  664. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
  665. 0x2 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK);
  666. debug("stage: Analog paramters from ETP(HW)\n");
  667. /* Set analog parameters from ETP(HW) */
  668. /* G1 settings */
  669. mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
  670. data = 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
  671. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
  672. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
  673. mask |= HPIPE_G1_SET_1_G1_RX_SELMUFI_MASK;
  674. data |= 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUFI_OFFSET;
  675. mask |= HPIPE_G1_SET_1_G1_RX_SELMUFF_MASK;
  676. data |= 0x3 << HPIPE_G1_SET_1_G1_RX_SELMUFF_OFFSET;
  677. mask |= HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_MASK;
  678. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_OFFSET;
  679. reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
  680. mask = HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK;
  681. data = 0xf << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET;
  682. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK;
  683. data |= 0x2 << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET;
  684. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK;
  685. data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET;
  686. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_DEG_RES_LEVEL_MASK;
  687. data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_DEG_RES_LEVEL_OFFSET;
  688. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_LOAD_RES_LEVEL_MASK;
  689. data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_LOAD_RES_LEVEL_OFFSET;
  690. reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask);
  691. /* G2 settings */
  692. mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK;
  693. data = 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET;
  694. mask |= HPIPE_G2_SET_1_G2_RX_SELMUPP_MASK;
  695. data |= 0x1 << HPIPE_G2_SET_1_G2_RX_SELMUPP_OFFSET;
  696. mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK;
  697. data |= 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET;
  698. mask |= HPIPE_G2_SET_1_G2_RX_SELMUFF_MASK;
  699. data |= 0x3 << HPIPE_G2_SET_1_G2_RX_SELMUFF_OFFSET;
  700. mask |= HPIPE_G2_SET_1_G2_RX_DIGCK_DIV_MASK;
  701. data |= 0x1 << HPIPE_G2_SET_1_G2_RX_DIGCK_DIV_OFFSET;
  702. reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask);
  703. /* G3 settings */
  704. mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK;
  705. data = 0x2 << HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET;
  706. mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK;
  707. data |= 0x2 << HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET;
  708. mask |= HPIPE_G3_SET_1_G3_RX_SELMUFI_MASK;
  709. data |= 0x3 << HPIPE_G3_SET_1_G3_RX_SELMUFI_OFFSET;
  710. mask |= HPIPE_G3_SET_1_G3_RX_SELMUFF_MASK;
  711. data |= 0x3 << HPIPE_G3_SET_1_G3_RX_SELMUFF_OFFSET;
  712. mask |= HPIPE_G3_SET_1_G3_RX_DFE_EN_MASK;
  713. data |= 0x1 << HPIPE_G3_SET_1_G3_RX_DFE_EN_OFFSET;
  714. mask |= HPIPE_G3_SET_1_G3_RX_DIGCK_DIV_MASK;
  715. data |= 0x2 << HPIPE_G3_SET_1_G3_RX_DIGCK_DIV_OFFSET;
  716. mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK;
  717. data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET;
  718. reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask);
  719. /* DTL Control */
  720. mask = HPIPE_PWR_CTR_DTL_SQ_DET_EN_MASK;
  721. data = 0x1 << HPIPE_PWR_CTR_DTL_SQ_DET_EN_OFFSET;
  722. mask |= HPIPE_PWR_CTR_DTL_SQ_PLOOP_EN_MASK;
  723. data |= 0x1 << HPIPE_PWR_CTR_DTL_SQ_PLOOP_EN_OFFSET;
  724. mask |= HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
  725. data |= 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
  726. mask |= HPIPE_PWR_CTR_DTL_CLAMPING_SEL_MASK;
  727. data |= 0x1 << HPIPE_PWR_CTR_DTL_CLAMPING_SEL_OFFSET;
  728. mask |= HPIPE_PWR_CTR_DTL_INTPCLK_DIV_FORCE_MASK;
  729. data |= 0x1 << HPIPE_PWR_CTR_DTL_INTPCLK_DIV_FORCE_OFFSET;
  730. mask |= HPIPE_PWR_CTR_DTL_CLK_MODE_MASK;
  731. data |= 0x1 << HPIPE_PWR_CTR_DTL_CLK_MODE_OFFSET;
  732. mask |= HPIPE_PWR_CTR_DTL_CLK_MODE_FORCE_MASK;
  733. data |= 0x1 << HPIPE_PWR_CTR_DTL_CLK_MODE_FORCE_OFFSET;
  734. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
  735. /* Trigger sampler enable pulse (by toggleing the bit) */
  736. mask = HPIPE_SMAPLER_MASK;
  737. data = 0x1 << HPIPE_SMAPLER_OFFSET;
  738. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
  739. mask = HPIPE_SMAPLER_MASK;
  740. data = 0x0 << HPIPE_SMAPLER_OFFSET;
  741. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
  742. /* VDD Calibration Control 3 */
  743. mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
  744. data = 0x10 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
  745. reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
  746. /* DFE Resolution Control */
  747. mask = HPIPE_DFE_RES_FORCE_MASK;
  748. data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET;
  749. reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
  750. /* DFE F3-F5 Coefficient Control */
  751. mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
  752. data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
  753. mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
  754. data = 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
  755. reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
  756. /* G3 Setting 3 */
  757. mask = HPIPE_G3_FFE_CAP_SEL_MASK;
  758. data = 0xf << HPIPE_G3_FFE_CAP_SEL_OFFSET;
  759. mask |= HPIPE_G3_FFE_RES_SEL_MASK;
  760. data |= 0x4 << HPIPE_G3_FFE_RES_SEL_OFFSET;
  761. mask |= HPIPE_G3_FFE_SETTING_FORCE_MASK;
  762. data |= 0x1 << HPIPE_G3_FFE_SETTING_FORCE_OFFSET;
  763. mask |= HPIPE_G3_FFE_DEG_RES_LEVEL_MASK;
  764. data |= 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET;
  765. mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK;
  766. data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET;
  767. reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask);
  768. /* G3 Setting 4 */
  769. mask = HPIPE_G3_DFE_RES_MASK;
  770. data = 0x2 << HPIPE_G3_DFE_RES_OFFSET;
  771. reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask);
  772. /* Offset Phase Control */
  773. mask = HPIPE_OS_PH_OFFSET_MASK;
  774. data = 0x5c << HPIPE_OS_PH_OFFSET_OFFSET;
  775. mask |= HPIPE_OS_PH_OFFSET_FORCE_MASK;
  776. data |= 0x1 << HPIPE_OS_PH_OFFSET_FORCE_OFFSET;
  777. reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask);
  778. mask = HPIPE_OS_PH_VALID_MASK;
  779. data = 0x1 << HPIPE_OS_PH_VALID_OFFSET;
  780. reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask);
  781. mask = HPIPE_OS_PH_VALID_MASK;
  782. data = 0x0 << HPIPE_OS_PH_VALID_OFFSET;
  783. reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask);
  784. /* Set G1 TX amplitude and TX post emphasis value */
  785. mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK;
  786. data = 0x8 << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET;
  787. mask |= HPIPE_G1_SET_0_G1_TX_AMP_ADJ_MASK;
  788. data |= 0x1 << HPIPE_G1_SET_0_G1_TX_AMP_ADJ_OFFSET;
  789. mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
  790. data |= 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
  791. mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_EN_MASK;
  792. data |= 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_EN_OFFSET;
  793. reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask);
  794. /* Set G2 TX amplitude and TX post emphasis value */
  795. mask = HPIPE_G2_SET_0_G2_TX_AMP_MASK;
  796. data = 0xa << HPIPE_G2_SET_0_G2_TX_AMP_OFFSET;
  797. mask |= HPIPE_G2_SET_0_G2_TX_AMP_ADJ_MASK;
  798. data |= 0x1 << HPIPE_G2_SET_0_G2_TX_AMP_ADJ_OFFSET;
  799. mask |= HPIPE_G2_SET_0_G2_TX_EMPH1_MASK;
  800. data |= 0x2 << HPIPE_G2_SET_0_G2_TX_EMPH1_OFFSET;
  801. mask |= HPIPE_G2_SET_0_G2_TX_EMPH1_EN_MASK;
  802. data |= 0x1 << HPIPE_G2_SET_0_G2_TX_EMPH1_EN_OFFSET;
  803. reg_set(hpipe_addr + HPIPE_G2_SET_0_REG, data, mask);
  804. /* Set G3 TX amplitude and TX post emphasis value */
  805. mask = HPIPE_G3_SET_0_G3_TX_AMP_MASK;
  806. data = 0xe << HPIPE_G3_SET_0_G3_TX_AMP_OFFSET;
  807. mask |= HPIPE_G3_SET_0_G3_TX_AMP_ADJ_MASK;
  808. data |= 0x1 << HPIPE_G3_SET_0_G3_TX_AMP_ADJ_OFFSET;
  809. mask |= HPIPE_G3_SET_0_G3_TX_EMPH1_MASK;
  810. data |= 0x6 << HPIPE_G3_SET_0_G3_TX_EMPH1_OFFSET;
  811. mask |= HPIPE_G3_SET_0_G3_TX_EMPH1_EN_MASK;
  812. data |= 0x1 << HPIPE_G3_SET_0_G3_TX_EMPH1_EN_OFFSET;
  813. mask |= HPIPE_G3_SET_0_G3_TX_SLEW_RATE_SEL_MASK;
  814. data |= 0x4 << HPIPE_G3_SET_0_G3_TX_SLEW_RATE_SEL_OFFSET;
  815. mask |= HPIPE_G3_SET_0_G3_TX_SLEW_CTRL_EN_MASK;
  816. data |= 0x0 << HPIPE_G3_SET_0_G3_TX_SLEW_CTRL_EN_OFFSET;
  817. reg_set(hpipe_addr + HPIPE_G3_SET_0_REG, data, mask);
  818. /* SERDES External Configuration 2 register */
  819. mask = SD_EXTERNAL_CONFIG2_SSC_ENABLE_MASK;
  820. data = 0x1 << SD_EXTERNAL_CONFIG2_SSC_ENABLE_OFFSET;
  821. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask);
  822. /* DFE reset sequence */
  823. reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
  824. 0x1 << HPIPE_PWR_CTR_RST_DFE_OFFSET,
  825. HPIPE_PWR_CTR_RST_DFE_MASK);
  826. reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
  827. 0x0 << HPIPE_PWR_CTR_RST_DFE_OFFSET,
  828. HPIPE_PWR_CTR_RST_DFE_MASK);
  829. /* SW reset for interupt logic */
  830. reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
  831. 0x1 << HPIPE_PWR_CTR_SFT_RST_OFFSET,
  832. HPIPE_PWR_CTR_SFT_RST_MASK);
  833. reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
  834. 0x0 << HPIPE_PWR_CTR_SFT_RST_OFFSET,
  835. HPIPE_PWR_CTR_SFT_RST_MASK);
  836. debug("stage: Comphy power up\n");
  837. /*
  838. * MAC configuration power up comphy - power up PLL/TX/RX
  839. * use indirect address for vendor spesific SATA control register
  840. */
  841. reg_set(sata_base + SATA3_VENDOR_ADDRESS,
  842. SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
  843. SATA3_VENDOR_ADDR_MASK);
  844. /* SATA 0 power up */
  845. mask = SATA3_CTRL_SATA0_PD_MASK;
  846. data = 0x0 << SATA3_CTRL_SATA0_PD_OFFSET;
  847. /* SATA 1 power up */
  848. mask |= SATA3_CTRL_SATA1_PD_MASK;
  849. data |= 0x0 << SATA3_CTRL_SATA1_PD_OFFSET;
  850. /* SATA SSU enable */
  851. mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
  852. data |= 0x1 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
  853. /* SATA port 1 enable */
  854. mask |= SATA3_CTRL_SATA_SSU_MASK;
  855. data |= 0x1 << SATA3_CTRL_SATA_SSU_OFFSET;
  856. reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
  857. /* MBUS request size and interface select register */
  858. reg_set(sata_base + SATA3_VENDOR_ADDRESS,
  859. SATA_MBUS_SIZE_SELECT_REG << SATA3_VENDOR_ADDR_OFSSET,
  860. SATA3_VENDOR_ADDR_MASK);
  861. /* Mbus regret enable */
  862. reg_set(sata_base + SATA3_VENDOR_DATA,
  863. 0x1 << SATA_MBUS_REGRET_EN_OFFSET, SATA_MBUS_REGRET_EN_MASK);
  864. debug("stage: Check PLL\n");
  865. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  866. data = SD_EXTERNAL_STATUS0_PLL_TX_MASK &
  867. SD_EXTERNAL_STATUS0_PLL_RX_MASK;
  868. mask = data;
  869. data = polling_with_timeout(addr, data, mask, 15000);
  870. if (data != 0) {
  871. debug("Read from reg = %p - value = 0x%x\n",
  872. hpipe_addr + HPIPE_LANE_STATUS1_REG, data);
  873. pr_err("SD_EXTERNAL_STATUS0_PLL_TX is %d, SD_EXTERNAL_STATUS0_PLL_RX is %d\n",
  874. (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK),
  875. (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK));
  876. ret = 0;
  877. }
  878. debug_exit();
  879. return ret;
  880. }
  881. static int comphy_sgmii_power_up(u32 lane, u32 sgmii_speed,
  882. void __iomem *hpipe_base,
  883. void __iomem *comphy_base)
  884. {
  885. u32 mask, data, ret = 1;
  886. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  887. void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
  888. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  889. void __iomem *addr;
  890. debug_enter();
  891. debug("stage: RFU configurations - hard reset comphy\n");
  892. /* RFU configurations - hard reset comphy */
  893. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  894. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  895. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  896. data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  897. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  898. /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
  899. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  900. data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  901. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
  902. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
  903. if (sgmii_speed == PHY_SPEED_1_25G) {
  904. data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
  905. data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
  906. } else {
  907. /* 3.125G */
  908. data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
  909. data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
  910. }
  911. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  912. data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  913. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  914. data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  915. mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
  916. data |= 1 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
  917. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  918. /* release from hard reset */
  919. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  920. data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  921. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  922. data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  923. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  924. data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  925. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  926. /* release from hard reset */
  927. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  928. data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  929. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  930. data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  931. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  932. /* Wait 1ms - until band gap and ref clock ready */
  933. mdelay(1);
  934. /* Start comphy Configuration */
  935. debug("stage: Comphy configuration\n");
  936. /* set reference clock */
  937. mask = HPIPE_MISC_REFCLK_SEL_MASK;
  938. data = 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
  939. reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
  940. /* Power and PLL Control */
  941. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  942. data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  943. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  944. data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  945. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  946. /* Loopback register */
  947. mask = HPIPE_LOOPBACK_SEL_MASK;
  948. data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET;
  949. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask);
  950. /* rx control 1 */
  951. mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
  952. data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
  953. mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
  954. data |= 0x0 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
  955. reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
  956. /* DTL Control */
  957. mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
  958. data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
  959. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
  960. /* Set analog paramters from ETP(HW) - for now use the default datas */
  961. debug("stage: Analog paramters from ETP(HW)\n");
  962. reg_set(hpipe_addr + HPIPE_G1_SET_0_REG,
  963. 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET,
  964. HPIPE_G1_SET_0_G1_TX_EMPH1_MASK);
  965. debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
  966. /* SERDES External Configuration */
  967. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  968. data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  969. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  970. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  971. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  972. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  973. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  974. /* check PLL rx & tx ready */
  975. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  976. data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
  977. SD_EXTERNAL_STATUS0_PLL_TX_MASK;
  978. mask = data;
  979. data = polling_with_timeout(addr, data, mask, 15000);
  980. if (data != 0) {
  981. debug("Read from reg = %p - value = 0x%x\n",
  982. sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  983. pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
  984. (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
  985. (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
  986. ret = 0;
  987. }
  988. /* RX init */
  989. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  990. data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  991. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  992. /* check that RX init done */
  993. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  994. data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
  995. mask = data;
  996. data = polling_with_timeout(addr, data, mask, 100);
  997. if (data != 0) {
  998. debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  999. pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
  1000. ret = 0;
  1001. }
  1002. debug("stage: RF Reset\n");
  1003. /* RF Reset */
  1004. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  1005. data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  1006. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  1007. data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  1008. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1009. debug_exit();
  1010. return ret;
  1011. }
  1012. static int comphy_sfi_power_up(u32 lane, void __iomem *hpipe_base,
  1013. void __iomem *comphy_base, u32 speed)
  1014. {
  1015. u32 mask, data, ret = 1;
  1016. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  1017. void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
  1018. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  1019. void __iomem *addr;
  1020. debug_enter();
  1021. debug("stage: RFU configurations - hard reset comphy\n");
  1022. /* RFU configurations - hard reset comphy */
  1023. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  1024. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  1025. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  1026. data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  1027. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  1028. /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
  1029. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  1030. data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  1031. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
  1032. data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
  1033. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
  1034. data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
  1035. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  1036. data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  1037. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  1038. data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  1039. mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
  1040. data |= 0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
  1041. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  1042. /* release from hard reset */
  1043. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  1044. data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  1045. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  1046. data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  1047. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  1048. data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  1049. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1050. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  1051. data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  1052. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  1053. data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  1054. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1055. /* Wait 1ms - until band gap and ref clock ready */
  1056. mdelay(1);
  1057. /* Start comphy Configuration */
  1058. debug("stage: Comphy configuration\n");
  1059. /* set reference clock */
  1060. mask = HPIPE_MISC_ICP_FORCE_MASK;
  1061. data = (speed == PHY_SPEED_5_15625G) ?
  1062. (0x0 << HPIPE_MISC_ICP_FORCE_OFFSET) :
  1063. (0x1 << HPIPE_MISC_ICP_FORCE_OFFSET);
  1064. mask |= HPIPE_MISC_REFCLK_SEL_MASK;
  1065. data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
  1066. reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
  1067. /* Power and PLL Control */
  1068. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  1069. data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  1070. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  1071. data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  1072. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  1073. /* Loopback register */
  1074. mask = HPIPE_LOOPBACK_SEL_MASK;
  1075. data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET;
  1076. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask);
  1077. /* rx control 1 */
  1078. mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
  1079. data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
  1080. mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
  1081. data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
  1082. reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
  1083. /* DTL Control */
  1084. mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
  1085. data = 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
  1086. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
  1087. /* Transmitter/Receiver Speed Divider Force */
  1088. if (speed == PHY_SPEED_5_15625G) {
  1089. mask = HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_MASK;
  1090. data = 1 << HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_OFFSET;
  1091. mask |= HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_FORCE_MASK;
  1092. data |= 1 << HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_FORCE_OFFSET;
  1093. mask |= HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_MASK;
  1094. data |= 1 << HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_OFFSET;
  1095. mask |= HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_FORCE_MASK;
  1096. data |= 1 << HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_FORCE_OFFSET;
  1097. } else {
  1098. mask = HPIPE_TXDIGCK_DIV_FORCE_MASK;
  1099. data = 0x1 << HPIPE_TXDIGCK_DIV_FORCE_OFFSET;
  1100. }
  1101. reg_set(hpipe_addr + HPIPE_SPD_DIV_FORCE_REG, data, mask);
  1102. /* Set analog paramters from ETP(HW) */
  1103. debug("stage: Analog paramters from ETP(HW)\n");
  1104. /* SERDES External Configuration 2 */
  1105. mask = SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK;
  1106. data = 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET;
  1107. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask);
  1108. /* 0x7-DFE Resolution control */
  1109. mask = HPIPE_DFE_RES_FORCE_MASK;
  1110. data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET;
  1111. reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
  1112. /* 0xd-G1_Setting_0 */
  1113. if (speed == PHY_SPEED_5_15625G) {
  1114. mask = HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
  1115. data = 0x6 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
  1116. } else {
  1117. mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK;
  1118. data = 0x1c << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET;
  1119. mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
  1120. data |= 0xe << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
  1121. }
  1122. reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask);
  1123. /* Genration 1 setting 2 (G1_Setting_2) */
  1124. mask = HPIPE_G1_SET_2_G1_TX_EMPH0_MASK;
  1125. data = 0x0 << HPIPE_G1_SET_2_G1_TX_EMPH0_OFFSET;
  1126. mask |= HPIPE_G1_SET_2_G1_TX_EMPH0_EN_MASK;
  1127. data |= 0x1 << HPIPE_G1_SET_2_G1_TX_EMPH0_EN_OFFSET;
  1128. reg_set(hpipe_addr + HPIPE_G1_SET_2_REG, data, mask);
  1129. /* Transmitter Slew Rate Control register (tx_reg1) */
  1130. mask = HPIPE_TX_REG1_TX_EMPH_RES_MASK;
  1131. data = 0x3 << HPIPE_TX_REG1_TX_EMPH_RES_OFFSET;
  1132. mask |= HPIPE_TX_REG1_SLC_EN_MASK;
  1133. data |= 0x3f << HPIPE_TX_REG1_SLC_EN_OFFSET;
  1134. reg_set(hpipe_addr + HPIPE_TX_REG1_REG, data, mask);
  1135. /* Impedance Calibration Control register (cal_reg1) */
  1136. mask = HPIPE_CAL_REG_1_EXT_TXIMP_MASK;
  1137. data = 0xe << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET;
  1138. mask |= HPIPE_CAL_REG_1_EXT_TXIMP_EN_MASK;
  1139. data |= 0x1 << HPIPE_CAL_REG_1_EXT_TXIMP_EN_OFFSET;
  1140. reg_set(hpipe_addr + HPIPE_CAL_REG1_REG, data, mask);
  1141. /* Generation 1 Setting 5 (g1_setting_5) */
  1142. mask = HPIPE_G1_SETTING_5_G1_ICP_MASK;
  1143. data = 0 << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET;
  1144. reg_set(hpipe_addr + HPIPE_G1_SETTING_5_REG, data, mask);
  1145. /* 0xE-G1_Setting_1 */
  1146. mask = HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK;
  1147. data = 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET;
  1148. if (speed == PHY_SPEED_5_15625G) {
  1149. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
  1150. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
  1151. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
  1152. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
  1153. } else {
  1154. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
  1155. data |= 0x2 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
  1156. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
  1157. data |= 0x2 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
  1158. mask |= HPIPE_G1_SET_1_G1_RX_SELMUFI_MASK;
  1159. data |= 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUFI_OFFSET;
  1160. mask |= HPIPE_G1_SET_1_G1_RX_SELMUFF_MASK;
  1161. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUFF_OFFSET;
  1162. mask |= HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_MASK;
  1163. data |= 0x3 << HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_OFFSET;
  1164. }
  1165. reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
  1166. /* 0xA-DFE_Reg3 */
  1167. mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
  1168. data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
  1169. mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
  1170. data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
  1171. reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
  1172. /* 0x111-G1_Setting_4 */
  1173. mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK;
  1174. data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
  1175. reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
  1176. /* Genration 1 setting 3 (G1_Setting_3) */
  1177. mask = HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_MASK;
  1178. data = 0x1 << HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_OFFSET;
  1179. if (speed == PHY_SPEED_5_15625G) {
  1180. /* Force FFE (Feed Forward Equalization) to 5G */
  1181. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK;
  1182. data |= 0xf << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET;
  1183. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK;
  1184. data |= 0x4 << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET;
  1185. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK;
  1186. data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET;
  1187. }
  1188. reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask);
  1189. /* Connfigure RX training timer */
  1190. mask = HPIPE_RX_TRAIN_TIMER_MASK;
  1191. data = 0x13 << HPIPE_RX_TRAIN_TIMER_OFFSET;
  1192. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask);
  1193. /* Enable TX train peak to peak hold */
  1194. mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK;
  1195. data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET;
  1196. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask);
  1197. /* Configure TX preset index */
  1198. mask = HPIPE_TX_PRESET_INDEX_MASK;
  1199. data = 0x2 << HPIPE_TX_PRESET_INDEX_OFFSET;
  1200. reg_set(hpipe_addr + HPIPE_TX_PRESET_INDEX_REG, data, mask);
  1201. /* Disable pattern lock lost timeout */
  1202. mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK;
  1203. data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET;
  1204. reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask);
  1205. /* Configure TX training pattern and TX training 16bit auto */
  1206. mask = HPIPE_TX_TRAIN_16BIT_AUTO_EN_MASK;
  1207. data = 0x1 << HPIPE_TX_TRAIN_16BIT_AUTO_EN_OFFSET;
  1208. mask |= HPIPE_TX_TRAIN_PAT_SEL_MASK;
  1209. data |= 0x1 << HPIPE_TX_TRAIN_PAT_SEL_OFFSET;
  1210. reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask);
  1211. /* Configure Training patten number */
  1212. mask = HPIPE_TRAIN_PAT_NUM_MASK;
  1213. data = 0x88 << HPIPE_TRAIN_PAT_NUM_OFFSET;
  1214. reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_0_REG, data, mask);
  1215. /* Configure differencial manchester encoter to ethernet mode */
  1216. mask = HPIPE_DME_ETHERNET_MODE_MASK;
  1217. data = 0x1 << HPIPE_DME_ETHERNET_MODE_OFFSET;
  1218. reg_set(hpipe_addr + HPIPE_DME_REG, data, mask);
  1219. /* Configure VDD Continuous Calibration */
  1220. mask = HPIPE_CAL_VDD_CONT_MODE_MASK;
  1221. data = 0x1 << HPIPE_CAL_VDD_CONT_MODE_OFFSET;
  1222. reg_set(hpipe_addr + HPIPE_VDD_CAL_0_REG, data, mask);
  1223. /* Trigger sampler enable pulse (by toggleing the bit) */
  1224. mask = HPIPE_RX_SAMPLER_OS_GAIN_MASK;
  1225. data = 0x3 << HPIPE_RX_SAMPLER_OS_GAIN_OFFSET;
  1226. mask |= HPIPE_SMAPLER_MASK;
  1227. data |= 0x1 << HPIPE_SMAPLER_OFFSET;
  1228. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
  1229. mask = HPIPE_SMAPLER_MASK;
  1230. data = 0x0 << HPIPE_SMAPLER_OFFSET;
  1231. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
  1232. /* Set External RX Regulator Control */
  1233. mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
  1234. data = 0x1A << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
  1235. reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
  1236. debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
  1237. /* SERDES External Configuration */
  1238. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  1239. data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  1240. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  1241. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  1242. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  1243. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  1244. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  1245. /* check PLL rx & tx ready */
  1246. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  1247. data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
  1248. SD_EXTERNAL_STATUS0_PLL_TX_MASK;
  1249. mask = data;
  1250. data = polling_with_timeout(addr, data, mask, 15000);
  1251. if (data != 0) {
  1252. debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  1253. pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
  1254. (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
  1255. (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
  1256. ret = 0;
  1257. }
  1258. /* RX init */
  1259. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  1260. data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  1261. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1262. /* check that RX init done */
  1263. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  1264. data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
  1265. mask = data;
  1266. data = polling_with_timeout(addr, data, mask, 100);
  1267. if (data != 0) {
  1268. debug("Read from reg = %p - value = 0x%x\n",
  1269. sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  1270. pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
  1271. ret = 0;
  1272. }
  1273. debug("stage: RF Reset\n");
  1274. /* RF Reset */
  1275. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  1276. data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  1277. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  1278. data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  1279. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1280. debug_exit();
  1281. return ret;
  1282. }
  1283. static int comphy_rxauii_power_up(u32 lane, void __iomem *hpipe_base,
  1284. void __iomem *comphy_base)
  1285. {
  1286. u32 mask, data, ret = 1;
  1287. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  1288. void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
  1289. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  1290. void __iomem *addr;
  1291. debug_enter();
  1292. debug("stage: RFU configurations - hard reset comphy\n");
  1293. /* RFU configurations - hard reset comphy */
  1294. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  1295. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  1296. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  1297. data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  1298. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  1299. if (lane == 2) {
  1300. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  1301. 0x1 << COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET,
  1302. COMMON_PHY_SD_CTRL1_RXAUI0_MASK);
  1303. }
  1304. if (lane == 4) {
  1305. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  1306. 0x1 << COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET,
  1307. COMMON_PHY_SD_CTRL1_RXAUI1_MASK);
  1308. }
  1309. /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
  1310. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  1311. data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  1312. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
  1313. data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
  1314. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
  1315. data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
  1316. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  1317. data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  1318. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  1319. data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  1320. mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
  1321. data |= 0x0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
  1322. mask |= SD_EXTERNAL_CONFIG0_MEDIA_MODE_MASK;
  1323. data |= 0x1 << SD_EXTERNAL_CONFIG0_MEDIA_MODE_OFFSET;
  1324. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  1325. /* release from hard reset */
  1326. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  1327. data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  1328. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  1329. data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  1330. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  1331. data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  1332. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1333. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  1334. data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  1335. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  1336. data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  1337. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1338. /* Wait 1ms - until band gap and ref clock ready */
  1339. mdelay(1);
  1340. /* Start comphy Configuration */
  1341. debug("stage: Comphy configuration\n");
  1342. /* set reference clock */
  1343. reg_set(hpipe_addr + HPIPE_MISC_REG,
  1344. 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
  1345. HPIPE_MISC_REFCLK_SEL_MASK);
  1346. /* Power and PLL Control */
  1347. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  1348. data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  1349. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  1350. data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  1351. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  1352. /* Loopback register */
  1353. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
  1354. 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK);
  1355. /* rx control 1 */
  1356. mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
  1357. data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
  1358. mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
  1359. data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
  1360. reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
  1361. /* DTL Control */
  1362. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG,
  1363. 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET,
  1364. HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK);
  1365. /* Set analog paramters from ETP(HW) */
  1366. debug("stage: Analog paramters from ETP(HW)\n");
  1367. /* SERDES External Configuration 2 */
  1368. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG,
  1369. 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET,
  1370. SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK);
  1371. /* 0x7-DFE Resolution control */
  1372. reg_set(hpipe_addr + HPIPE_DFE_REG0, 0x1 << HPIPE_DFE_RES_FORCE_OFFSET,
  1373. HPIPE_DFE_RES_FORCE_MASK);
  1374. /* 0xd-G1_Setting_0 */
  1375. reg_set(hpipe_addr + HPIPE_G1_SET_0_REG,
  1376. 0xd << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET,
  1377. HPIPE_G1_SET_0_G1_TX_EMPH1_MASK);
  1378. /* 0xE-G1_Setting_1 */
  1379. mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
  1380. data = 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
  1381. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
  1382. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
  1383. mask |= HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK;
  1384. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET;
  1385. reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
  1386. /* 0xA-DFE_Reg3 */
  1387. mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
  1388. data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
  1389. mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
  1390. data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
  1391. reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
  1392. /* 0x111-G1_Setting_4 */
  1393. mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK;
  1394. data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
  1395. reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
  1396. debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
  1397. /* SERDES External Configuration */
  1398. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  1399. data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  1400. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  1401. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  1402. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  1403. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  1404. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  1405. /* check PLL rx & tx ready */
  1406. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  1407. data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
  1408. SD_EXTERNAL_STATUS0_PLL_TX_MASK;
  1409. mask = data;
  1410. data = polling_with_timeout(addr, data, mask, 15000);
  1411. if (data != 0) {
  1412. debug("Read from reg = %p - value = 0x%x\n",
  1413. sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  1414. pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
  1415. (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
  1416. (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
  1417. ret = 0;
  1418. }
  1419. /* RX init */
  1420. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG,
  1421. 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET,
  1422. SD_EXTERNAL_CONFIG1_RX_INIT_MASK);
  1423. /* check that RX init done */
  1424. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  1425. data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
  1426. mask = data;
  1427. data = polling_with_timeout(addr, data, mask, 100);
  1428. if (data != 0) {
  1429. debug("Read from reg = %p - value = 0x%x\n",
  1430. sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  1431. pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
  1432. ret = 0;
  1433. }
  1434. debug("stage: RF Reset\n");
  1435. /* RF Reset */
  1436. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  1437. data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  1438. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  1439. data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  1440. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1441. debug_exit();
  1442. return ret;
  1443. }
  1444. static void comphy_utmi_power_down(u32 utmi_index, void __iomem *utmi_base_addr,
  1445. void __iomem *usb_cfg_addr,
  1446. void __iomem *utmi_cfg_addr,
  1447. u32 utmi_phy_port)
  1448. {
  1449. u32 mask, data;
  1450. debug_enter();
  1451. debug("stage: UTMI %d - Power down transceiver (power down Phy), Power down PLL, and SuspendDM\n",
  1452. utmi_index);
  1453. /* Power down UTMI PHY */
  1454. reg_set(utmi_cfg_addr, 0x0 << UTMI_PHY_CFG_PU_OFFSET,
  1455. UTMI_PHY_CFG_PU_MASK);
  1456. /*
  1457. * If UTMI connected to USB Device, configure mux prior to PHY init
  1458. * (Device can be connected to UTMI0 or to UTMI1)
  1459. */
  1460. if (utmi_phy_port == UTMI_PHY_TO_USB3_DEVICE0) {
  1461. debug("stage: UTMI %d - Enable Device mode and configure UTMI mux\n",
  1462. utmi_index);
  1463. /* USB3 Device UTMI enable */
  1464. mask = UTMI_USB_CFG_DEVICE_EN_MASK;
  1465. data = 0x1 << UTMI_USB_CFG_DEVICE_EN_OFFSET;
  1466. /* USB3 Device UTMI MUX */
  1467. mask |= UTMI_USB_CFG_DEVICE_MUX_MASK;
  1468. data |= utmi_index << UTMI_USB_CFG_DEVICE_MUX_OFFSET;
  1469. reg_set(usb_cfg_addr, data, mask);
  1470. }
  1471. /* Set Test suspendm mode */
  1472. mask = UTMI_CTRL_STATUS0_SUSPENDM_MASK;
  1473. data = 0x1 << UTMI_CTRL_STATUS0_SUSPENDM_OFFSET;
  1474. /* Enable Test UTMI select */
  1475. mask |= UTMI_CTRL_STATUS0_TEST_SEL_MASK;
  1476. data |= 0x1 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET;
  1477. reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, data, mask);
  1478. /* Wait for UTMI power down */
  1479. mdelay(1);
  1480. debug_exit();
  1481. return;
  1482. }
  1483. static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_base_addr,
  1484. void __iomem *usb_cfg_addr,
  1485. void __iomem *utmi_cfg_addr,
  1486. u32 utmi_phy_port)
  1487. {
  1488. u32 mask, data;
  1489. debug_exit();
  1490. debug("stage: Configure UTMI PHY %d registers\n", utmi_index);
  1491. /* Reference Clock Divider Select */
  1492. mask = UTMI_PLL_CTRL_REFDIV_MASK;
  1493. data = 0x5 << UTMI_PLL_CTRL_REFDIV_OFFSET;
  1494. /* Feedback Clock Divider Select - 90 for 25Mhz*/
  1495. mask |= UTMI_PLL_CTRL_FBDIV_MASK;
  1496. data |= 0x60 << UTMI_PLL_CTRL_FBDIV_OFFSET;
  1497. /* Select LPFR - 0x0 for 25Mhz/5=5Mhz*/
  1498. mask |= UTMI_PLL_CTRL_SEL_LPFR_MASK;
  1499. data |= 0x0 << UTMI_PLL_CTRL_SEL_LPFR_OFFSET;
  1500. reg_set(utmi_base_addr + UTMI_PLL_CTRL_REG, data, mask);
  1501. /* Impedance Calibration Threshold Setting */
  1502. reg_set(utmi_base_addr + UTMI_CALIB_CTRL_REG,
  1503. 0x6 << UTMI_CALIB_CTRL_IMPCAL_VTH_OFFSET,
  1504. UTMI_CALIB_CTRL_IMPCAL_VTH_MASK);
  1505. /* Set LS TX driver strength coarse control */
  1506. mask = UTMI_TX_CH_CTRL_DRV_EN_LS_MASK;
  1507. data = 0x3 << UTMI_TX_CH_CTRL_DRV_EN_LS_OFFSET;
  1508. /* Set LS TX driver fine adjustment */
  1509. mask |= UTMI_TX_CH_CTRL_IMP_SEL_LS_MASK;
  1510. data |= 0x3 << UTMI_TX_CH_CTRL_IMP_SEL_LS_OFFSET;
  1511. reg_set(utmi_base_addr + UTMI_TX_CH_CTRL_REG, data, mask);
  1512. /* Enable SQ */
  1513. mask = UTMI_RX_CH_CTRL0_SQ_DET_MASK;
  1514. data = 0x0 << UTMI_RX_CH_CTRL0_SQ_DET_OFFSET;
  1515. /* Enable analog squelch detect */
  1516. mask |= UTMI_RX_CH_CTRL0_SQ_ANA_DTC_MASK;
  1517. data |= 0x1 << UTMI_RX_CH_CTRL0_SQ_ANA_DTC_OFFSET;
  1518. reg_set(utmi_base_addr + UTMI_RX_CH_CTRL0_REG, data, mask);
  1519. /* Set External squelch calibration number */
  1520. mask = UTMI_RX_CH_CTRL1_SQ_AMP_CAL_MASK;
  1521. data = 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET;
  1522. /* Enable the External squelch calibration */
  1523. mask |= UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_MASK;
  1524. data |= 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_OFFSET;
  1525. reg_set(utmi_base_addr + UTMI_RX_CH_CTRL1_REG, data, mask);
  1526. /* Set Control VDAT Reference Voltage - 0.325V */
  1527. mask = UTMI_CHGDTC_CTRL_VDAT_MASK;
  1528. data = 0x1 << UTMI_CHGDTC_CTRL_VDAT_OFFSET;
  1529. /* Set Control VSRC Reference Voltage - 0.6V */
  1530. mask |= UTMI_CHGDTC_CTRL_VSRC_MASK;
  1531. data |= 0x1 << UTMI_CHGDTC_CTRL_VSRC_OFFSET;
  1532. reg_set(utmi_base_addr + UTMI_CHGDTC_CTRL_REG, data, mask);
  1533. debug_exit();
  1534. return;
  1535. }
  1536. static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_base_addr,
  1537. void __iomem *usb_cfg_addr,
  1538. void __iomem *utmi_cfg_addr, u32 utmi_phy_port)
  1539. {
  1540. u32 data, mask, ret = 1;
  1541. void __iomem *addr;
  1542. debug_enter();
  1543. debug("stage: UTMI %d - Power up transceiver(Power up Phy), and exit SuspendDM\n",
  1544. utmi_index);
  1545. /* Power UP UTMI PHY */
  1546. reg_set(utmi_cfg_addr, 0x1 << UTMI_PHY_CFG_PU_OFFSET,
  1547. UTMI_PHY_CFG_PU_MASK);
  1548. /* Disable Test UTMI select */
  1549. reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG,
  1550. 0x0 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET,
  1551. UTMI_CTRL_STATUS0_TEST_SEL_MASK);
  1552. debug("stage: Polling for PLL and impedance calibration done, and PLL ready done\n");
  1553. addr = utmi_base_addr + UTMI_CALIB_CTRL_REG;
  1554. data = UTMI_CALIB_CTRL_IMPCAL_DONE_MASK;
  1555. mask = data;
  1556. data = polling_with_timeout(addr, data, mask, 100);
  1557. if (data != 0) {
  1558. pr_err("Impedance calibration is not done\n");
  1559. debug("Read from reg = %p - value = 0x%x\n", addr, data);
  1560. ret = 0;
  1561. }
  1562. data = UTMI_CALIB_CTRL_PLLCAL_DONE_MASK;
  1563. mask = data;
  1564. data = polling_with_timeout(addr, data, mask, 100);
  1565. if (data != 0) {
  1566. pr_err("PLL calibration is not done\n");
  1567. debug("Read from reg = %p - value = 0x%x\n", addr, data);
  1568. ret = 0;
  1569. }
  1570. addr = utmi_base_addr + UTMI_PLL_CTRL_REG;
  1571. data = UTMI_PLL_CTRL_PLL_RDY_MASK;
  1572. mask = data;
  1573. data = polling_with_timeout(addr, data, mask, 100);
  1574. if (data != 0) {
  1575. pr_err("PLL is not ready\n");
  1576. debug("Read from reg = %p - value = 0x%x\n", addr, data);
  1577. ret = 0;
  1578. }
  1579. if (ret)
  1580. debug("Passed\n");
  1581. else
  1582. debug("\n");
  1583. debug_exit();
  1584. return ret;
  1585. }
  1586. /*
  1587. * comphy_utmi_phy_init initialize the UTMI PHY
  1588. * the init split in 3 parts:
  1589. * 1. Power down transceiver and PLL
  1590. * 2. UTMI PHY configure
  1591. * 3. Powe up transceiver and PLL
  1592. * Note: - Power down/up should be once for both UTMI PHYs
  1593. * - comphy_dedicated_phys_init call this function if at least there is
  1594. * one UTMI PHY exists in FDT blob. access to cp110_utmi_data[0] is
  1595. * legal
  1596. */
  1597. static void comphy_utmi_phy_init(u32 utmi_phy_count,
  1598. struct utmi_phy_data *cp110_utmi_data)
  1599. {
  1600. u32 i;
  1601. debug_enter();
  1602. /* UTMI Power down */
  1603. for (i = 0; i < utmi_phy_count; i++) {
  1604. comphy_utmi_power_down(i, cp110_utmi_data[i].utmi_base_addr,
  1605. cp110_utmi_data[i].usb_cfg_addr,
  1606. cp110_utmi_data[i].utmi_cfg_addr,
  1607. cp110_utmi_data[i].utmi_phy_port);
  1608. }
  1609. /* PLL Power down */
  1610. debug("stage: UTMI PHY power down PLL\n");
  1611. for (i = 0; i < utmi_phy_count; i++) {
  1612. reg_set(cp110_utmi_data[i].usb_cfg_addr,
  1613. 0x0 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
  1614. }
  1615. /* UTMI configure */
  1616. for (i = 0; i < utmi_phy_count; i++) {
  1617. comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_base_addr,
  1618. cp110_utmi_data[i].usb_cfg_addr,
  1619. cp110_utmi_data[i].utmi_cfg_addr,
  1620. cp110_utmi_data[i].utmi_phy_port);
  1621. }
  1622. /* UTMI Power up */
  1623. for (i = 0; i < utmi_phy_count; i++) {
  1624. if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_base_addr,
  1625. cp110_utmi_data[i].usb_cfg_addr,
  1626. cp110_utmi_data[i].utmi_cfg_addr,
  1627. cp110_utmi_data[i].utmi_phy_port)) {
  1628. pr_err("Failed to initialize UTMI PHY %d\n", i);
  1629. continue;
  1630. }
  1631. printf("UTMI PHY %d initialized to ", i);
  1632. if (cp110_utmi_data[i].utmi_phy_port ==
  1633. UTMI_PHY_TO_USB3_DEVICE0)
  1634. printf("USB Device\n");
  1635. else
  1636. printf("USB Host%d\n",
  1637. cp110_utmi_data[i].utmi_phy_port);
  1638. }
  1639. /* PLL Power up */
  1640. debug("stage: UTMI PHY power up PLL\n");
  1641. for (i = 0; i < utmi_phy_count; i++) {
  1642. reg_set(cp110_utmi_data[i].usb_cfg_addr,
  1643. 0x1 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
  1644. }
  1645. debug_exit();
  1646. return;
  1647. }
  1648. /*
  1649. * comphy_dedicated_phys_init initialize the dedicated PHYs
  1650. * - not muxed SerDes lanes e.g. UTMI PHY
  1651. */
  1652. void comphy_dedicated_phys_init(void)
  1653. {
  1654. struct utmi_phy_data cp110_utmi_data[MAX_UTMI_PHY_COUNT];
  1655. int node;
  1656. int i;
  1657. debug_enter();
  1658. debug("Initialize USB UTMI PHYs\n");
  1659. /* Find the UTMI phy node in device tree and go over them */
  1660. node = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
  1661. "marvell,mvebu-utmi-2.6.0");
  1662. i = 0;
  1663. while (node > 0) {
  1664. /* get base address of UTMI phy */
  1665. cp110_utmi_data[i].utmi_base_addr =
  1666. (void __iomem *)fdtdec_get_addr_size_auto_noparent(
  1667. gd->fdt_blob, node, "reg", 0, NULL, true);
  1668. if (cp110_utmi_data[i].utmi_base_addr == NULL) {
  1669. pr_err("UTMI PHY base address is invalid\n");
  1670. i++;
  1671. continue;
  1672. }
  1673. /* get usb config address */
  1674. cp110_utmi_data[i].usb_cfg_addr =
  1675. (void __iomem *)fdtdec_get_addr_size_auto_noparent(
  1676. gd->fdt_blob, node, "reg", 1, NULL, true);
  1677. if (cp110_utmi_data[i].usb_cfg_addr == NULL) {
  1678. pr_err("UTMI PHY base address is invalid\n");
  1679. i++;
  1680. continue;
  1681. }
  1682. /* get UTMI config address */
  1683. cp110_utmi_data[i].utmi_cfg_addr =
  1684. (void __iomem *)fdtdec_get_addr_size_auto_noparent(
  1685. gd->fdt_blob, node, "reg", 2, NULL, true);
  1686. if (cp110_utmi_data[i].utmi_cfg_addr == NULL) {
  1687. pr_err("UTMI PHY base address is invalid\n");
  1688. i++;
  1689. continue;
  1690. }
  1691. /*
  1692. * get the port number (to check if the utmi connected to
  1693. * host/device)
  1694. */
  1695. cp110_utmi_data[i].utmi_phy_port = fdtdec_get_int(
  1696. gd->fdt_blob, node, "utmi-port", UTMI_PHY_INVALID);
  1697. if (cp110_utmi_data[i].utmi_phy_port == UTMI_PHY_INVALID) {
  1698. pr_err("UTMI PHY port type is invalid\n");
  1699. i++;
  1700. continue;
  1701. }
  1702. node = fdt_node_offset_by_compatible(
  1703. gd->fdt_blob, node, "marvell,mvebu-utmi-2.6.0");
  1704. i++;
  1705. }
  1706. if (i > 0)
  1707. comphy_utmi_phy_init(i, cp110_utmi_data);
  1708. debug_exit();
  1709. }
  1710. static void comphy_mux_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
  1711. struct comphy_map *serdes_map)
  1712. {
  1713. void __iomem *comphy_base_addr;
  1714. struct comphy_map comphy_map_pipe_data[MAX_LANE_OPTIONS];
  1715. struct comphy_map comphy_map_phy_data[MAX_LANE_OPTIONS];
  1716. u32 lane, comphy_max_count;
  1717. comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
  1718. comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
  1719. /*
  1720. * Copy the SerDes map configuration for PIPE map and PHY map
  1721. * the comphy_mux_init modify the type of the lane if the type
  1722. * is not valid because we have 2 selectores run the
  1723. * comphy_mux_init twice and after that update the original
  1724. * serdes_map
  1725. */
  1726. for (lane = 0; lane < comphy_max_count; lane++) {
  1727. comphy_map_pipe_data[lane].type = serdes_map[lane].type;
  1728. comphy_map_pipe_data[lane].speed = serdes_map[lane].speed;
  1729. comphy_map_phy_data[lane].type = serdes_map[lane].type;
  1730. comphy_map_phy_data[lane].speed = serdes_map[lane].speed;
  1731. }
  1732. ptr_chip_cfg->mux_data = cp110_comphy_phy_mux_data;
  1733. comphy_mux_init(ptr_chip_cfg, comphy_map_phy_data,
  1734. comphy_base_addr + COMMON_SELECTOR_PHY_OFFSET);
  1735. ptr_chip_cfg->mux_data = cp110_comphy_pipe_mux_data;
  1736. comphy_mux_init(ptr_chip_cfg, comphy_map_pipe_data,
  1737. comphy_base_addr + COMMON_SELECTOR_PIPE_OFFSET);
  1738. /* Fix the type after check the PHY and PIPE configuration */
  1739. for (lane = 0; lane < comphy_max_count; lane++) {
  1740. if ((comphy_map_pipe_data[lane].type == PHY_TYPE_UNCONNECTED) &&
  1741. (comphy_map_phy_data[lane].type == PHY_TYPE_UNCONNECTED))
  1742. serdes_map[lane].type = PHY_TYPE_UNCONNECTED;
  1743. }
  1744. }
  1745. int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
  1746. struct comphy_map *serdes_map)
  1747. {
  1748. struct comphy_map *ptr_comphy_map;
  1749. void __iomem *comphy_base_addr, *hpipe_base_addr;
  1750. u32 comphy_max_count, lane, ret = 0;
  1751. u32 pcie_width = 0;
  1752. debug_enter();
  1753. comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
  1754. comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
  1755. hpipe_base_addr = ptr_chip_cfg->hpipe3_base_addr;
  1756. /* Config Comphy mux configuration */
  1757. comphy_mux_cp110_init(ptr_chip_cfg, serdes_map);
  1758. /* Check if the first 4 lanes configured as By-4 */
  1759. for (lane = 0, ptr_comphy_map = serdes_map; lane < 4;
  1760. lane++, ptr_comphy_map++) {
  1761. if (ptr_comphy_map->type != PHY_TYPE_PEX0)
  1762. break;
  1763. pcie_width++;
  1764. }
  1765. for (lane = 0, ptr_comphy_map = serdes_map; lane < comphy_max_count;
  1766. lane++, ptr_comphy_map++) {
  1767. debug("Initialize serdes number %d\n", lane);
  1768. debug("Serdes type = 0x%x\n", ptr_comphy_map->type);
  1769. if (lane == 4) {
  1770. /*
  1771. * PCIe lanes above the first 4 lanes, can be only
  1772. * by1
  1773. */
  1774. pcie_width = 1;
  1775. }
  1776. switch (ptr_comphy_map->type) {
  1777. case PHY_TYPE_UNCONNECTED:
  1778. case PHY_TYPE_IGNORE:
  1779. continue;
  1780. break;
  1781. case PHY_TYPE_PEX0:
  1782. case PHY_TYPE_PEX1:
  1783. case PHY_TYPE_PEX2:
  1784. case PHY_TYPE_PEX3:
  1785. ret = comphy_pcie_power_up(
  1786. lane, pcie_width, ptr_comphy_map->clk_src,
  1787. serdes_map->end_point,
  1788. hpipe_base_addr, comphy_base_addr);
  1789. break;
  1790. case PHY_TYPE_SATA0:
  1791. case PHY_TYPE_SATA1:
  1792. case PHY_TYPE_SATA2:
  1793. case PHY_TYPE_SATA3:
  1794. ret = comphy_sata_power_up(
  1795. lane, hpipe_base_addr, comphy_base_addr,
  1796. ptr_chip_cfg->cp_index);
  1797. break;
  1798. case PHY_TYPE_USB3_HOST0:
  1799. case PHY_TYPE_USB3_HOST1:
  1800. case PHY_TYPE_USB3_DEVICE:
  1801. ret = comphy_usb3_power_up(lane, hpipe_base_addr,
  1802. comphy_base_addr);
  1803. break;
  1804. case PHY_TYPE_SGMII0:
  1805. case PHY_TYPE_SGMII1:
  1806. case PHY_TYPE_SGMII2:
  1807. case PHY_TYPE_SGMII3:
  1808. if (ptr_comphy_map->speed == PHY_SPEED_INVALID) {
  1809. debug("Warning: SGMII PHY speed in lane %d is invalid, set PHY speed to 1.25G\n",
  1810. lane);
  1811. ptr_comphy_map->speed = PHY_SPEED_1_25G;
  1812. }
  1813. ret = comphy_sgmii_power_up(
  1814. lane, ptr_comphy_map->speed, hpipe_base_addr,
  1815. comphy_base_addr);
  1816. break;
  1817. case PHY_TYPE_SFI:
  1818. ret = comphy_sfi_power_up(lane, hpipe_base_addr,
  1819. comphy_base_addr,
  1820. ptr_comphy_map->speed);
  1821. break;
  1822. case PHY_TYPE_RXAUI0:
  1823. case PHY_TYPE_RXAUI1:
  1824. ret = comphy_rxauii_power_up(lane, hpipe_base_addr,
  1825. comphy_base_addr);
  1826. break;
  1827. default:
  1828. debug("Unknown SerDes type, skip initialize SerDes %d\n",
  1829. lane);
  1830. break;
  1831. }
  1832. if (ret == 0) {
  1833. /*
  1834. * If interface wans't initialized, set the lane to
  1835. * PHY_TYPE_UNCONNECTED state.
  1836. */
  1837. ptr_comphy_map->type = PHY_TYPE_UNCONNECTED;
  1838. pr_err("PLL is not locked - Failed to initialize lane %d\n",
  1839. lane);
  1840. }
  1841. }
  1842. debug_exit();
  1843. return 0;
  1844. }