comphy_cp110.c 72 KB

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  1. /*
  2. * Copyright (C) 2015-2016 Marvell International Ltd.
  3. *
  4. * SPDX-License-Identifier: GPL-2.0+
  5. */
  6. #include <common.h>
  7. #include <fdtdec.h>
  8. #include <asm/io.h>
  9. #include <asm/arch/cpu.h>
  10. #include <asm/arch/soc.h>
  11. #include "comphy.h"
  12. #include "comphy_hpipe.h"
  13. #include "sata.h"
  14. #include "utmi_phy.h"
  15. DECLARE_GLOBAL_DATA_PTR;
  16. #define SD_ADDR(base, lane) (base + 0x1000 * lane)
  17. #define HPIPE_ADDR(base, lane) (SD_ADDR(base, lane) + 0x800)
  18. #define COMPHY_ADDR(base, lane) (base + 0x28 * lane)
  19. struct utmi_phy_data {
  20. void __iomem *utmi_base_addr;
  21. void __iomem *usb_cfg_addr;
  22. void __iomem *utmi_cfg_addr;
  23. u32 utmi_phy_port;
  24. };
  25. /*
  26. * For CP-110 we have 2 Selector registers "PHY Selectors",
  27. * and "PIPE Selectors".
  28. * PIPE selector include USB and PCIe options.
  29. * PHY selector include the Ethernet and SATA options, every Ethernet
  30. * option has different options, for example: serdes lane2 had option
  31. * Eth_port_0 that include (SGMII0, RXAUI0, SFI)
  32. */
  33. struct comphy_mux_data cp110_comphy_phy_mux_data[] = {
  34. {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII1, 0x1}, /* Lane 0 */
  35. {PHY_TYPE_SATA1, 0x4} } },
  36. {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 1 */
  37. {PHY_TYPE_SATA0, 0x4} } },
  38. {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x1}, /* Lane 2 */
  39. {PHY_TYPE_RXAUI0, 0x1}, {PHY_TYPE_SFI, 0x1},
  40. {PHY_TYPE_SATA0, 0x4} } },
  41. {8, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_RXAUI1, 0x1}, /* Lane 3 */
  42. {PHY_TYPE_SGMII1, 0x2}, {PHY_TYPE_SATA1, 0x4} } },
  43. {7, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x2}, /* Lane 4 */
  44. {PHY_TYPE_RXAUI0, 0x2}, {PHY_TYPE_SFI, 0x2},
  45. {PHY_TYPE_SGMII1, 0x1} } },
  46. {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 5 */
  47. {PHY_TYPE_RXAUI1, 0x2}, {PHY_TYPE_SATA1, 0x4} } },
  48. };
  49. struct comphy_mux_data cp110_comphy_pipe_mux_data[] = {
  50. {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX0, 0x4} } }, /* Lane 0 */
  51. {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 1 */
  52. {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_USB3_DEVICE, 0x2},
  53. {PHY_TYPE_PEX0, 0x4} } },
  54. {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 2 */
  55. {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
  56. {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 3 */
  57. {PHY_TYPE_USB3_HOST1, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
  58. {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 4 */
  59. {PHY_TYPE_USB3_HOST1, 0x1},
  60. {PHY_TYPE_USB3_DEVICE, 0x2}, {PHY_TYPE_PEX1, 0x4} } },
  61. {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX2, 0x4} } }, /* Lane 5 */
  62. };
  63. static u32 polling_with_timeout(void __iomem *addr, u32 val,
  64. u32 mask, unsigned long usec_timout)
  65. {
  66. u32 data;
  67. do {
  68. udelay(1);
  69. data = readl(addr) & mask;
  70. } while (data != val && --usec_timout > 0);
  71. if (usec_timout == 0)
  72. return data;
  73. return 0;
  74. }
  75. static int comphy_pcie_power_up(u32 lane, u32 pcie_width, bool clk_src,
  76. bool is_end_point, void __iomem *hpipe_base,
  77. void __iomem *comphy_base)
  78. {
  79. u32 mask, data, ret = 1;
  80. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  81. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  82. void __iomem *addr;
  83. u32 pcie_clk = 0; /* set input by default */
  84. debug_enter();
  85. /*
  86. * ToDo:
  87. * Add SAR (Sample-At-Reset) configuration for the PCIe clock
  88. * direction. SAR code is currently not ported from Marvell
  89. * U-Boot to mainline version.
  90. *
  91. * SerDes Lane 4/5 got the PCIe ref-clock #1,
  92. * and SerDes Lane 0 got PCIe ref-clock #0
  93. */
  94. debug("PCIe clock = %x\n", pcie_clk);
  95. debug("PCIe RC = %d\n", !is_end_point);
  96. debug("PCIe width = %d\n", pcie_width);
  97. /* enable PCIe by4 and by2 */
  98. if (lane == 0) {
  99. if (pcie_width == 4) {
  100. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  101. 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET,
  102. COMMON_PHY_SD_CTRL1_PCIE_X4_EN_MASK);
  103. } else if (pcie_width == 2) {
  104. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  105. 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET,
  106. COMMON_PHY_SD_CTRL1_PCIE_X2_EN_MASK);
  107. }
  108. }
  109. /*
  110. * If PCIe clock is output and clock source from SerDes lane 5,
  111. * we need to configure the clock-source MUX.
  112. * By default, the clock source is from lane 4
  113. */
  114. if (pcie_clk && clk_src && (lane == 5)) {
  115. reg_set((void __iomem *)DFX_DEV_GEN_CTRL12,
  116. 0x3 << DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET,
  117. DFX_DEV_GEN_PCIE_CLK_SRC_MASK);
  118. }
  119. debug("stage: RFU configurations - hard reset comphy\n");
  120. /* RFU configurations - hard reset comphy */
  121. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  122. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  123. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  124. data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  125. mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  126. data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  127. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  128. data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  129. mask |= COMMON_PHY_PHY_MODE_MASK;
  130. data |= 0x0 << COMMON_PHY_PHY_MODE_OFFSET;
  131. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  132. /* release from hard reset */
  133. mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  134. data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  135. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  136. data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  137. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  138. /* Wait 1ms - until band gap and ref clock ready */
  139. mdelay(1);
  140. /* Start comphy Configuration */
  141. debug("stage: Comphy configuration\n");
  142. /* Set PIPE soft reset */
  143. mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
  144. data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
  145. /* Set PHY datapath width mode for V0 */
  146. mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
  147. data |= 0x1 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
  148. /* Set Data bus width USB mode for V0 */
  149. mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
  150. data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
  151. /* Set CORE_CLK output frequency for 250Mhz */
  152. mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
  153. data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
  154. reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
  155. /* Set PLL ready delay for 0x2 */
  156. data = 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET;
  157. mask = HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK;
  158. if (pcie_width != 1) {
  159. data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_OFFSET;
  160. mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_MASK;
  161. data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_OFFSET;
  162. mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_MASK;
  163. }
  164. reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG, data, mask);
  165. /* Set PIPE mode interface to PCIe3 - 0x1 & set lane order */
  166. data = 0x1 << HPIPE_CLK_SRC_HI_MODE_PIPE_OFFSET;
  167. mask = HPIPE_CLK_SRC_HI_MODE_PIPE_MASK;
  168. if (pcie_width != 1) {
  169. mask |= HPIPE_CLK_SRC_HI_LANE_STRT_MASK;
  170. mask |= HPIPE_CLK_SRC_HI_LANE_MASTER_MASK;
  171. mask |= HPIPE_CLK_SRC_HI_LANE_BREAK_MASK;
  172. if (lane == 0) {
  173. data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_STRT_OFFSET;
  174. data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_MASTER_OFFSET;
  175. } else if (lane == (pcie_width - 1)) {
  176. data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_BREAK_OFFSET;
  177. }
  178. }
  179. reg_set(hpipe_addr + HPIPE_CLK_SRC_HI_REG, data, mask);
  180. /* Config update polarity equalization */
  181. reg_set(hpipe_addr + HPIPE_LANE_EQ_CFG1_REG,
  182. 0x1 << HPIPE_CFG_UPDATE_POLARITY_OFFSET,
  183. HPIPE_CFG_UPDATE_POLARITY_MASK);
  184. /* Set PIPE version 4 to mode enable */
  185. reg_set(hpipe_addr + HPIPE_DFE_CTRL_28_REG,
  186. 0x1 << HPIPE_DFE_CTRL_28_PIPE4_OFFSET,
  187. HPIPE_DFE_CTRL_28_PIPE4_MASK);
  188. /* TODO: check if pcie clock is output/input - for bringup use input*/
  189. /* Enable PIN clock 100M_125M */
  190. mask = 0;
  191. data = 0;
  192. /* Only if clock is output, configure the clock-source mux */
  193. if (pcie_clk) {
  194. mask |= HPIPE_MISC_CLK100M_125M_MASK;
  195. data |= 0x1 << HPIPE_MISC_CLK100M_125M_OFFSET;
  196. }
  197. /*
  198. * Set PIN_TXDCLK_2X Clock Frequency Selection for outputs 500MHz
  199. * clock
  200. */
  201. mask |= HPIPE_MISC_TXDCLK_2X_MASK;
  202. data |= 0x0 << HPIPE_MISC_TXDCLK_2X_OFFSET;
  203. /* Enable 500MHz Clock */
  204. mask |= HPIPE_MISC_CLK500_EN_MASK;
  205. data |= 0x1 << HPIPE_MISC_CLK500_EN_OFFSET;
  206. if (pcie_clk) { /* output */
  207. /* Set reference clock comes from group 1 */
  208. mask |= HPIPE_MISC_REFCLK_SEL_MASK;
  209. data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
  210. } else {
  211. /* Set reference clock comes from group 2 */
  212. mask |= HPIPE_MISC_REFCLK_SEL_MASK;
  213. data |= 0x1 << HPIPE_MISC_REFCLK_SEL_OFFSET;
  214. }
  215. mask |= HPIPE_MISC_ICP_FORCE_MASK;
  216. data |= 0x1 << HPIPE_MISC_ICP_FORCE_OFFSET;
  217. reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
  218. if (pcie_clk) { /* output */
  219. /* Set reference frequcency select - 0x2 for 25MHz*/
  220. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  221. data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  222. } else {
  223. /* Set reference frequcency select - 0x0 for 100MHz*/
  224. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  225. data = 0x0 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  226. }
  227. /* Set PHY mode to PCIe */
  228. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  229. data |= 0x3 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  230. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  231. /* ref clock alignment */
  232. if (pcie_width != 1) {
  233. mask = HPIPE_LANE_ALIGN_OFF_MASK;
  234. data = 0x0 << HPIPE_LANE_ALIGN_OFF_OFFSET;
  235. reg_set(hpipe_addr + HPIPE_LANE_ALIGN_REG, data, mask);
  236. }
  237. /*
  238. * Set the amount of time spent in the LoZ state - set for 0x7 only if
  239. * the PCIe clock is output
  240. */
  241. if (pcie_clk) {
  242. reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL,
  243. 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET,
  244. HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK);
  245. }
  246. /* Set Maximal PHY Generation Setting(8Gbps) */
  247. mask = HPIPE_INTERFACE_GEN_MAX_MASK;
  248. data = 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET;
  249. /* Bypass frame detection and sync detection for RX DATA */
  250. mask = HPIPE_INTERFACE_DET_BYPASS_MASK;
  251. data = 0x1 << HPIPE_INTERFACE_DET_BYPASS_OFFSET;
  252. /* Set Link Train Mode (Tx training control pins are used) */
  253. mask |= HPIPE_INTERFACE_LINK_TRAIN_MASK;
  254. data |= 0x1 << HPIPE_INTERFACE_LINK_TRAIN_OFFSET;
  255. reg_set(hpipe_addr + HPIPE_INTERFACE_REG, data, mask);
  256. /* Set Idle_sync enable */
  257. mask = HPIPE_PCIE_IDLE_SYNC_MASK;
  258. data = 0x1 << HPIPE_PCIE_IDLE_SYNC_OFFSET;
  259. /* Select bits for PCIE Gen3(32bit) */
  260. mask |= HPIPE_PCIE_SEL_BITS_MASK;
  261. data |= 0x2 << HPIPE_PCIE_SEL_BITS_OFFSET;
  262. reg_set(hpipe_addr + HPIPE_PCIE_REG0, data, mask);
  263. /* Enable Tx_adapt_g1 */
  264. mask = HPIPE_TX_TRAIN_CTRL_G1_MASK;
  265. data = 0x1 << HPIPE_TX_TRAIN_CTRL_G1_OFFSET;
  266. /* Enable Tx_adapt_gn1 */
  267. mask |= HPIPE_TX_TRAIN_CTRL_GN1_MASK;
  268. data |= 0x1 << HPIPE_TX_TRAIN_CTRL_GN1_OFFSET;
  269. /* Disable Tx_adapt_g0 */
  270. mask |= HPIPE_TX_TRAIN_CTRL_G0_MASK;
  271. data |= 0x0 << HPIPE_TX_TRAIN_CTRL_G0_OFFSET;
  272. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask);
  273. /* Set reg_tx_train_chk_init */
  274. mask = HPIPE_TX_TRAIN_CHK_INIT_MASK;
  275. data = 0x0 << HPIPE_TX_TRAIN_CHK_INIT_OFFSET;
  276. /* Enable TX_COE_FM_PIN_PCIE3_EN */
  277. mask |= HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_MASK;
  278. data |= 0x1 << HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_OFFSET;
  279. reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask);
  280. debug("stage: TRx training parameters\n");
  281. /* Set Preset sweep configurations */
  282. mask = HPIPE_TX_TX_STATUS_CHECK_MODE_MASK;
  283. data = 0x1 << HPIPE_TX_STATUS_CHECK_MODE_OFFSET;
  284. mask |= HPIPE_TX_NUM_OF_PRESET_MASK;
  285. data |= 0x7 << HPIPE_TX_NUM_OF_PRESET_OFFSET;
  286. mask |= HPIPE_TX_SWEEP_PRESET_EN_MASK;
  287. data |= 0x1 << HPIPE_TX_SWEEP_PRESET_EN_OFFSET;
  288. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_11_REG, data, mask);
  289. /* Tx train start configuration */
  290. mask = HPIPE_TX_TRAIN_START_SQ_EN_MASK;
  291. data = 0x1 << HPIPE_TX_TRAIN_START_SQ_EN_OFFSET;
  292. mask |= HPIPE_TX_TRAIN_START_FRM_DET_EN_MASK;
  293. data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_DET_EN_OFFSET;
  294. mask |= HPIPE_TX_TRAIN_START_FRM_LOCK_EN_MASK;
  295. data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_LOCK_EN_OFFSET;
  296. mask |= HPIPE_TX_TRAIN_WAIT_TIME_EN_MASK;
  297. data |= 0x1 << HPIPE_TX_TRAIN_WAIT_TIME_EN_OFFSET;
  298. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask);
  299. /* Enable Tx train P2P */
  300. mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK;
  301. data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET;
  302. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask);
  303. /* Configure Tx train timeout */
  304. mask = HPIPE_TRX_TRAIN_TIMER_MASK;
  305. data = 0x17 << HPIPE_TRX_TRAIN_TIMER_OFFSET;
  306. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_4_REG, data, mask);
  307. /* Disable G0/G1/GN1 adaptation */
  308. mask = HPIPE_TX_TRAIN_CTRL_G1_MASK | HPIPE_TX_TRAIN_CTRL_GN1_MASK
  309. | HPIPE_TX_TRAIN_CTRL_G0_OFFSET;
  310. data = 0;
  311. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask);
  312. /* Disable DTL frequency loop */
  313. mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
  314. data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
  315. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
  316. /* Configure G3 DFE */
  317. mask = HPIPE_G3_DFE_RES_MASK;
  318. data = 0x3 << HPIPE_G3_DFE_RES_OFFSET;
  319. reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask);
  320. /* Use TX/RX training result for DFE */
  321. mask = HPIPE_DFE_RES_FORCE_MASK;
  322. data = 0x0 << HPIPE_DFE_RES_FORCE_OFFSET;
  323. reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
  324. /* Configure initial and final coefficient value for receiver */
  325. mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK;
  326. data = 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET;
  327. mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK;
  328. data |= 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET;
  329. mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK;
  330. data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET;
  331. reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask);
  332. /* Trigger sampler enable pulse */
  333. mask = HPIPE_SMAPLER_MASK;
  334. data = 0x1 << HPIPE_SMAPLER_OFFSET;
  335. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
  336. udelay(5);
  337. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, 0, mask);
  338. /* FFE resistor tuning for different bandwidth */
  339. mask = HPIPE_G3_FFE_DEG_RES_LEVEL_MASK;
  340. data = 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET;
  341. mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK;
  342. data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET;
  343. reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask);
  344. /* Pattern lock lost timeout disable */
  345. mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK;
  346. data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET;
  347. reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask);
  348. /* Configure DFE adaptations */
  349. mask = HPIPE_CDR_MAX_DFE_ADAPT_1_MASK;
  350. data = 0x1 << HPIPE_CDR_MAX_DFE_ADAPT_1_OFFSET;
  351. mask |= HPIPE_CDR_MAX_DFE_ADAPT_0_MASK;
  352. data |= 0x0 << HPIPE_CDR_MAX_DFE_ADAPT_0_OFFSET;
  353. mask |= HPIPE_CDR_RX_MAX_DFE_ADAPT_1_MASK;
  354. data |= 0x0 << HPIPE_CDR_RX_MAX_DFE_ADAPT_1_OFFSET;
  355. reg_set(hpipe_addr + HPIPE_CDR_CONTROL_REG, data, mask);
  356. mask = HPIPE_DFE_TX_MAX_DFE_ADAPT_MASK;
  357. data = 0x0 << HPIPE_DFE_TX_MAX_DFE_ADAPT_OFFSET;
  358. reg_set(hpipe_addr + HPIPE_DFE_CONTROL_REG, data, mask);
  359. /* Genration 2 setting 1*/
  360. mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK;
  361. data = 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET;
  362. mask |= HPIPE_G2_SET_1_G2_RX_SELMUPP_MASK;
  363. data |= 0x1 << HPIPE_G2_SET_1_G2_RX_SELMUPP_OFFSET;
  364. mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK;
  365. data |= 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET;
  366. reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask);
  367. /* DFE enable */
  368. mask = HPIPE_G2_DFE_RES_MASK;
  369. data = 0x3 << HPIPE_G2_DFE_RES_OFFSET;
  370. reg_set(hpipe_addr + HPIPE_G2_SETTINGS_4_REG, data, mask);
  371. /* Configure DFE Resolution */
  372. mask = HPIPE_LANE_CFG4_DFE_EN_SEL_MASK;
  373. data = 0x1 << HPIPE_LANE_CFG4_DFE_EN_SEL_OFFSET;
  374. reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
  375. /* VDD calibration control */
  376. mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
  377. data = 0x16 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
  378. reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
  379. /* Set PLL Charge-pump Current Control */
  380. mask = HPIPE_G3_SETTING_5_G3_ICP_MASK;
  381. data = 0x4 << HPIPE_G3_SETTING_5_G3_ICP_OFFSET;
  382. reg_set(hpipe_addr + HPIPE_G3_SETTING_5_REG, data, mask);
  383. /* Set lane rqualization remote setting */
  384. mask = HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_MASK;
  385. data = 0x1 << HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_OFFSET;
  386. mask |= HPIPE_LANE_CFG_FOM_ONLY_MODE_MASK;
  387. data |= 0x1 << HPIPE_LANE_CFG_FOM_ONLY_MODE_OFFFSET;
  388. mask |= HPIPE_LANE_CFG_FOM_PRESET_VECTOR_MASK;
  389. data |= 0x2 << HPIPE_LANE_CFG_FOM_PRESET_VECTOR_OFFSET;
  390. reg_set(hpipe_addr + HPIPE_LANE_EQ_REMOTE_SETTING_REG, data, mask);
  391. if (!is_end_point) {
  392. /* Set phy in root complex mode */
  393. mask = HPIPE_CFG_PHY_RC_EP_MASK;
  394. data = 0x1 << HPIPE_CFG_PHY_RC_EP_OFFSET;
  395. reg_set(hpipe_addr + HPIPE_LANE_EQU_CONFIG_0_REG, data, mask);
  396. }
  397. debug("stage: Comphy power up\n");
  398. /*
  399. * For PCIe by4 or by2 - release from reset only after finish to
  400. * configure all lanes
  401. */
  402. if ((pcie_width == 1) || (lane == (pcie_width - 1))) {
  403. u32 i, start_lane, end_lane;
  404. if (pcie_width != 1) {
  405. /* allows writing to all lanes in one write */
  406. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  407. 0x0 <<
  408. COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET,
  409. COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK);
  410. start_lane = 0;
  411. end_lane = pcie_width;
  412. /*
  413. * Release from PIPE soft reset
  414. * for PCIe by4 or by2 - release from soft reset
  415. * all lanes - can't use read modify write
  416. */
  417. reg_set(HPIPE_ADDR(hpipe_base, 0) +
  418. HPIPE_RST_CLK_CTRL_REG, 0x24, 0xffffffff);
  419. } else {
  420. start_lane = lane;
  421. end_lane = lane + 1;
  422. /*
  423. * Release from PIPE soft reset
  424. * for PCIe by4 or by2 - release from soft reset
  425. * all lanes
  426. */
  427. reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
  428. 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
  429. HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
  430. }
  431. if (pcie_width != 1) {
  432. /* disable writing to all lanes with one write */
  433. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  434. 0x3210 <<
  435. COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET,
  436. COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK);
  437. }
  438. debug("stage: Check PLL\n");
  439. /* Read lane status */
  440. for (i = start_lane; i < end_lane; i++) {
  441. addr = HPIPE_ADDR(hpipe_base, i) +
  442. HPIPE_LANE_STATUS1_REG;
  443. data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
  444. mask = data;
  445. data = polling_with_timeout(addr, data, mask, 15000);
  446. if (data != 0) {
  447. debug("Read from reg = %p - value = 0x%x\n",
  448. hpipe_addr + HPIPE_LANE_STATUS1_REG,
  449. data);
  450. error("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
  451. ret = 0;
  452. }
  453. }
  454. }
  455. debug_exit();
  456. return ret;
  457. }
  458. static int comphy_usb3_power_up(u32 lane, void __iomem *hpipe_base,
  459. void __iomem *comphy_base)
  460. {
  461. u32 mask, data, ret = 1;
  462. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  463. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  464. void __iomem *addr;
  465. debug_enter();
  466. debug("stage: RFU configurations - hard reset comphy\n");
  467. /* RFU configurations - hard reset comphy */
  468. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  469. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  470. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  471. data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  472. mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  473. data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  474. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  475. data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  476. mask |= COMMON_PHY_PHY_MODE_MASK;
  477. data |= 0x1 << COMMON_PHY_PHY_MODE_OFFSET;
  478. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  479. /* release from hard reset */
  480. mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  481. data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  482. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  483. data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  484. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  485. /* Wait 1ms - until band gap and ref clock ready */
  486. mdelay(1);
  487. /* Start comphy Configuration */
  488. debug("stage: Comphy configuration\n");
  489. /* Set PIPE soft reset */
  490. mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
  491. data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
  492. /* Set PHY datapath width mode for V0 */
  493. mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
  494. data |= 0x0 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
  495. /* Set Data bus width USB mode for V0 */
  496. mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
  497. data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
  498. /* Set CORE_CLK output frequency for 250Mhz */
  499. mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
  500. data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
  501. reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
  502. /* Set PLL ready delay for 0x2 */
  503. reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG,
  504. 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET,
  505. HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK);
  506. /* Set reference clock to come from group 1 - 25Mhz */
  507. reg_set(hpipe_addr + HPIPE_MISC_REG,
  508. 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
  509. HPIPE_MISC_REFCLK_SEL_MASK);
  510. /* Set reference frequcency select - 0x2 */
  511. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  512. data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  513. /* Set PHY mode to USB - 0x5 */
  514. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  515. data |= 0x5 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  516. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  517. /* Set the amount of time spent in the LoZ state - set for 0x7 */
  518. reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL,
  519. 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET,
  520. HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK);
  521. /* Set max PHY generation setting - 5Gbps */
  522. reg_set(hpipe_addr + HPIPE_INTERFACE_REG,
  523. 0x1 << HPIPE_INTERFACE_GEN_MAX_OFFSET,
  524. HPIPE_INTERFACE_GEN_MAX_MASK);
  525. /* Set select data width 20Bit (SEL_BITS[2:0]) */
  526. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
  527. 0x1 << HPIPE_LOOPBACK_SEL_OFFSET,
  528. HPIPE_LOOPBACK_SEL_MASK);
  529. /* select de-emphasize 3.5db */
  530. reg_set(hpipe_addr + HPIPE_LANE_CONFIG0_REG,
  531. 0x1 << HPIPE_LANE_CONFIG0_TXDEEMPH0_OFFSET,
  532. HPIPE_LANE_CONFIG0_TXDEEMPH0_MASK);
  533. /* override tx margining from the MAC */
  534. reg_set(hpipe_addr + HPIPE_TST_MODE_CTRL_REG,
  535. 0x1 << HPIPE_TST_MODE_CTRL_MODE_MARGIN_OFFSET,
  536. HPIPE_TST_MODE_CTRL_MODE_MARGIN_MASK);
  537. /* Start analog paramters from ETP(HW) */
  538. debug("stage: Analog paramters from ETP(HW)\n");
  539. /* Set Pin DFE_PAT_DIS -> Bit[1]: PIN_DFE_PAT_DIS = 0x0 */
  540. mask = HPIPE_LANE_CFG4_DFE_CTRL_MASK;
  541. data = 0x1 << HPIPE_LANE_CFG4_DFE_CTRL_OFFSET;
  542. /* Set Override PHY DFE control pins for 0x1 */
  543. mask |= HPIPE_LANE_CFG4_DFE_OVER_MASK;
  544. data |= 0x1 << HPIPE_LANE_CFG4_DFE_OVER_OFFSET;
  545. /* Set Spread Spectrum Clock Enable fot 0x1 */
  546. mask |= HPIPE_LANE_CFG4_SSC_CTRL_MASK;
  547. data |= 0x1 << HPIPE_LANE_CFG4_SSC_CTRL_OFFSET;
  548. reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
  549. /* End of analog parameters */
  550. debug("stage: Comphy power up\n");
  551. /* Release from PIPE soft reset */
  552. reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
  553. 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
  554. HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
  555. /* wait 15ms - for comphy calibration done */
  556. debug("stage: Check PLL\n");
  557. /* Read lane status */
  558. addr = hpipe_addr + HPIPE_LANE_STATUS1_REG;
  559. data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
  560. mask = data;
  561. data = polling_with_timeout(addr, data, mask, 15000);
  562. if (data != 0) {
  563. debug("Read from reg = %p - value = 0x%x\n",
  564. hpipe_addr + HPIPE_LANE_STATUS1_REG, data);
  565. error("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
  566. ret = 0;
  567. }
  568. debug_exit();
  569. return ret;
  570. }
  571. static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base,
  572. void __iomem *comphy_base, int cp_index)
  573. {
  574. u32 mask, data, i, ret = 1;
  575. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  576. void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
  577. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  578. void __iomem *addr;
  579. void __iomem *sata_base = NULL;
  580. int sata_node = -1; /* Set to -1 in order to read the first sata node */
  581. debug_enter();
  582. /*
  583. * Assumption - each CP has only one SATA controller
  584. * Calling fdt_node_offset_by_compatible first time (with sata_node = -1
  585. * will return the first node always.
  586. * In order to parse each CPs SATA node, fdt_node_offset_by_compatible
  587. * must be called again (according to the CP id)
  588. */
  589. for (i = 0; i < (cp_index + 1); i++)
  590. sata_node = fdt_node_offset_by_compatible(
  591. gd->fdt_blob, sata_node, "marvell,armada-8k-ahci");
  592. if (sata_node == 0) {
  593. error("SATA node not found in FDT\n");
  594. return 0;
  595. }
  596. sata_base = (void __iomem *)fdtdec_get_addr_size_auto_noparent(
  597. gd->fdt_blob, sata_node, "reg", 0, NULL, true);
  598. if (sata_base == NULL) {
  599. error("SATA address not found in FDT\n");
  600. return 0;
  601. }
  602. debug("SATA address found in FDT %p\n", sata_base);
  603. debug("stage: MAC configuration - power down comphy\n");
  604. /*
  605. * MAC configuration powe down comphy use indirect address for
  606. * vendor spesific SATA control register
  607. */
  608. reg_set(sata_base + SATA3_VENDOR_ADDRESS,
  609. SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
  610. SATA3_VENDOR_ADDR_MASK);
  611. /* SATA 0 power down */
  612. mask = SATA3_CTRL_SATA0_PD_MASK;
  613. data = 0x1 << SATA3_CTRL_SATA0_PD_OFFSET;
  614. /* SATA 1 power down */
  615. mask |= SATA3_CTRL_SATA1_PD_MASK;
  616. data |= 0x1 << SATA3_CTRL_SATA1_PD_OFFSET;
  617. /* SATA SSU disable */
  618. mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
  619. data |= 0x0 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
  620. /* SATA port 1 disable */
  621. mask |= SATA3_CTRL_SATA_SSU_MASK;
  622. data |= 0x0 << SATA3_CTRL_SATA_SSU_OFFSET;
  623. reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
  624. debug("stage: RFU configurations - hard reset comphy\n");
  625. /* RFU configurations - hard reset comphy */
  626. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  627. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  628. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  629. data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  630. mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  631. data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  632. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  633. data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  634. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  635. /* Set select data width 40Bit - SATA mode only */
  636. reg_set(comphy_addr + COMMON_PHY_CFG6_REG,
  637. 0x1 << COMMON_PHY_CFG6_IF_40_SEL_OFFSET,
  638. COMMON_PHY_CFG6_IF_40_SEL_MASK);
  639. /* release from hard reset in SD external */
  640. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  641. data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  642. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  643. data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  644. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  645. /* Wait 1ms - until band gap and ref clock ready */
  646. mdelay(1);
  647. debug("stage: Comphy configuration\n");
  648. /* Start comphy Configuration */
  649. /* Set reference clock to comes from group 1 - choose 25Mhz */
  650. reg_set(hpipe_addr + HPIPE_MISC_REG,
  651. 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
  652. HPIPE_MISC_REFCLK_SEL_MASK);
  653. /* Reference frequency select set 1 (for SATA = 25Mhz) */
  654. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  655. data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  656. /* PHY mode select (set SATA = 0x0 */
  657. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  658. data |= 0x0 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  659. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  660. /* Set max PHY generation setting - 6Gbps */
  661. reg_set(hpipe_addr + HPIPE_INTERFACE_REG,
  662. 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET,
  663. HPIPE_INTERFACE_GEN_MAX_MASK);
  664. /* Set select data width 40Bit (SEL_BITS[2:0]) */
  665. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
  666. 0x2 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK);
  667. debug("stage: Analog paramters from ETP(HW)\n");
  668. /* Set analog parameters from ETP(HW) */
  669. /* G1 settings */
  670. mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
  671. data = 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
  672. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
  673. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
  674. mask |= HPIPE_G1_SET_1_G1_RX_SELMUFI_MASK;
  675. data |= 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUFI_OFFSET;
  676. mask |= HPIPE_G1_SET_1_G1_RX_SELMUFF_MASK;
  677. data |= 0x3 << HPIPE_G1_SET_1_G1_RX_SELMUFF_OFFSET;
  678. mask |= HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_MASK;
  679. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_OFFSET;
  680. reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
  681. mask = HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK;
  682. data = 0xf << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET;
  683. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK;
  684. data |= 0x2 << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET;
  685. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK;
  686. data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET;
  687. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_DEG_RES_LEVEL_MASK;
  688. data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_DEG_RES_LEVEL_OFFSET;
  689. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_LOAD_RES_LEVEL_MASK;
  690. data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_LOAD_RES_LEVEL_OFFSET;
  691. reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask);
  692. /* G2 settings */
  693. mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK;
  694. data = 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET;
  695. mask |= HPIPE_G2_SET_1_G2_RX_SELMUPP_MASK;
  696. data |= 0x1 << HPIPE_G2_SET_1_G2_RX_SELMUPP_OFFSET;
  697. mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK;
  698. data |= 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET;
  699. mask |= HPIPE_G2_SET_1_G2_RX_SELMUFF_MASK;
  700. data |= 0x3 << HPIPE_G2_SET_1_G2_RX_SELMUFF_OFFSET;
  701. mask |= HPIPE_G2_SET_1_G2_RX_DIGCK_DIV_MASK;
  702. data |= 0x1 << HPIPE_G2_SET_1_G2_RX_DIGCK_DIV_OFFSET;
  703. reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask);
  704. /* G3 settings */
  705. mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK;
  706. data = 0x2 << HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET;
  707. mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK;
  708. data |= 0x2 << HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET;
  709. mask |= HPIPE_G3_SET_1_G3_RX_SELMUFI_MASK;
  710. data |= 0x3 << HPIPE_G3_SET_1_G3_RX_SELMUFI_OFFSET;
  711. mask |= HPIPE_G3_SET_1_G3_RX_SELMUFF_MASK;
  712. data |= 0x3 << HPIPE_G3_SET_1_G3_RX_SELMUFF_OFFSET;
  713. mask |= HPIPE_G3_SET_1_G3_RX_DFE_EN_MASK;
  714. data |= 0x1 << HPIPE_G3_SET_1_G3_RX_DFE_EN_OFFSET;
  715. mask |= HPIPE_G3_SET_1_G3_RX_DIGCK_DIV_MASK;
  716. data |= 0x2 << HPIPE_G3_SET_1_G3_RX_DIGCK_DIV_OFFSET;
  717. mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK;
  718. data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET;
  719. reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask);
  720. /* DTL Control */
  721. mask = HPIPE_PWR_CTR_DTL_SQ_DET_EN_MASK;
  722. data = 0x1 << HPIPE_PWR_CTR_DTL_SQ_DET_EN_OFFSET;
  723. mask |= HPIPE_PWR_CTR_DTL_SQ_PLOOP_EN_MASK;
  724. data |= 0x1 << HPIPE_PWR_CTR_DTL_SQ_PLOOP_EN_OFFSET;
  725. mask |= HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
  726. data |= 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
  727. mask |= HPIPE_PWR_CTR_DTL_CLAMPING_SEL_MASK;
  728. data |= 0x1 << HPIPE_PWR_CTR_DTL_CLAMPING_SEL_OFFSET;
  729. mask |= HPIPE_PWR_CTR_DTL_INTPCLK_DIV_FORCE_MASK;
  730. data |= 0x1 << HPIPE_PWR_CTR_DTL_INTPCLK_DIV_FORCE_OFFSET;
  731. mask |= HPIPE_PWR_CTR_DTL_CLK_MODE_MASK;
  732. data |= 0x1 << HPIPE_PWR_CTR_DTL_CLK_MODE_OFFSET;
  733. mask |= HPIPE_PWR_CTR_DTL_CLK_MODE_FORCE_MASK;
  734. data |= 0x1 << HPIPE_PWR_CTR_DTL_CLK_MODE_FORCE_OFFSET;
  735. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
  736. /* Trigger sampler enable pulse (by toggleing the bit) */
  737. mask = HPIPE_SMAPLER_MASK;
  738. data = 0x1 << HPIPE_SMAPLER_OFFSET;
  739. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
  740. mask = HPIPE_SMAPLER_MASK;
  741. data = 0x0 << HPIPE_SMAPLER_OFFSET;
  742. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
  743. /* VDD Calibration Control 3 */
  744. mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
  745. data = 0x10 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
  746. reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
  747. /* DFE Resolution Control */
  748. mask = HPIPE_DFE_RES_FORCE_MASK;
  749. data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET;
  750. reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
  751. /* DFE F3-F5 Coefficient Control */
  752. mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
  753. data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
  754. mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
  755. data = 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
  756. reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
  757. /* G3 Setting 3 */
  758. mask = HPIPE_G3_FFE_CAP_SEL_MASK;
  759. data = 0xf << HPIPE_G3_FFE_CAP_SEL_OFFSET;
  760. mask |= HPIPE_G3_FFE_RES_SEL_MASK;
  761. data |= 0x4 << HPIPE_G3_FFE_RES_SEL_OFFSET;
  762. mask |= HPIPE_G3_FFE_SETTING_FORCE_MASK;
  763. data |= 0x1 << HPIPE_G3_FFE_SETTING_FORCE_OFFSET;
  764. mask |= HPIPE_G3_FFE_DEG_RES_LEVEL_MASK;
  765. data |= 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET;
  766. mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK;
  767. data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET;
  768. reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask);
  769. /* G3 Setting 4 */
  770. mask = HPIPE_G3_DFE_RES_MASK;
  771. data = 0x2 << HPIPE_G3_DFE_RES_OFFSET;
  772. reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask);
  773. /* Offset Phase Control */
  774. mask = HPIPE_OS_PH_OFFSET_MASK;
  775. data = 0x5c << HPIPE_OS_PH_OFFSET_OFFSET;
  776. mask |= HPIPE_OS_PH_OFFSET_FORCE_MASK;
  777. data |= 0x1 << HPIPE_OS_PH_OFFSET_FORCE_OFFSET;
  778. reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask);
  779. mask = HPIPE_OS_PH_VALID_MASK;
  780. data = 0x1 << HPIPE_OS_PH_VALID_OFFSET;
  781. reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask);
  782. mask = HPIPE_OS_PH_VALID_MASK;
  783. data = 0x0 << HPIPE_OS_PH_VALID_OFFSET;
  784. reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask);
  785. /* Set G1 TX amplitude and TX post emphasis value */
  786. mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK;
  787. data = 0x8 << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET;
  788. mask |= HPIPE_G1_SET_0_G1_TX_AMP_ADJ_MASK;
  789. data |= 0x1 << HPIPE_G1_SET_0_G1_TX_AMP_ADJ_OFFSET;
  790. mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
  791. data |= 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
  792. mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_EN_MASK;
  793. data |= 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_EN_OFFSET;
  794. reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask);
  795. /* Set G2 TX amplitude and TX post emphasis value */
  796. mask = HPIPE_G2_SET_0_G2_TX_AMP_MASK;
  797. data = 0xa << HPIPE_G2_SET_0_G2_TX_AMP_OFFSET;
  798. mask |= HPIPE_G2_SET_0_G2_TX_AMP_ADJ_MASK;
  799. data |= 0x1 << HPIPE_G2_SET_0_G2_TX_AMP_ADJ_OFFSET;
  800. mask |= HPIPE_G2_SET_0_G2_TX_EMPH1_MASK;
  801. data |= 0x2 << HPIPE_G2_SET_0_G2_TX_EMPH1_OFFSET;
  802. mask |= HPIPE_G2_SET_0_G2_TX_EMPH1_EN_MASK;
  803. data |= 0x1 << HPIPE_G2_SET_0_G2_TX_EMPH1_EN_OFFSET;
  804. reg_set(hpipe_addr + HPIPE_G2_SET_0_REG, data, mask);
  805. /* Set G3 TX amplitude and TX post emphasis value */
  806. mask = HPIPE_G3_SET_0_G3_TX_AMP_MASK;
  807. data = 0xe << HPIPE_G3_SET_0_G3_TX_AMP_OFFSET;
  808. mask |= HPIPE_G3_SET_0_G3_TX_AMP_ADJ_MASK;
  809. data |= 0x1 << HPIPE_G3_SET_0_G3_TX_AMP_ADJ_OFFSET;
  810. mask |= HPIPE_G3_SET_0_G3_TX_EMPH1_MASK;
  811. data |= 0x6 << HPIPE_G3_SET_0_G3_TX_EMPH1_OFFSET;
  812. mask |= HPIPE_G3_SET_0_G3_TX_EMPH1_EN_MASK;
  813. data |= 0x1 << HPIPE_G3_SET_0_G3_TX_EMPH1_EN_OFFSET;
  814. mask |= HPIPE_G3_SET_0_G3_TX_SLEW_RATE_SEL_MASK;
  815. data |= 0x4 << HPIPE_G3_SET_0_G3_TX_SLEW_RATE_SEL_OFFSET;
  816. mask |= HPIPE_G3_SET_0_G3_TX_SLEW_CTRL_EN_MASK;
  817. data |= 0x0 << HPIPE_G3_SET_0_G3_TX_SLEW_CTRL_EN_OFFSET;
  818. reg_set(hpipe_addr + HPIPE_G3_SET_0_REG, data, mask);
  819. /* SERDES External Configuration 2 register */
  820. mask = SD_EXTERNAL_CONFIG2_SSC_ENABLE_MASK;
  821. data = 0x1 << SD_EXTERNAL_CONFIG2_SSC_ENABLE_OFFSET;
  822. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask);
  823. /* DFE reset sequence */
  824. reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
  825. 0x1 << HPIPE_PWR_CTR_RST_DFE_OFFSET,
  826. HPIPE_PWR_CTR_RST_DFE_MASK);
  827. reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
  828. 0x0 << HPIPE_PWR_CTR_RST_DFE_OFFSET,
  829. HPIPE_PWR_CTR_RST_DFE_MASK);
  830. /* SW reset for interupt logic */
  831. reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
  832. 0x1 << HPIPE_PWR_CTR_SFT_RST_OFFSET,
  833. HPIPE_PWR_CTR_SFT_RST_MASK);
  834. reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
  835. 0x0 << HPIPE_PWR_CTR_SFT_RST_OFFSET,
  836. HPIPE_PWR_CTR_SFT_RST_MASK);
  837. debug("stage: Comphy power up\n");
  838. /*
  839. * MAC configuration power up comphy - power up PLL/TX/RX
  840. * use indirect address for vendor spesific SATA control register
  841. */
  842. reg_set(sata_base + SATA3_VENDOR_ADDRESS,
  843. SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
  844. SATA3_VENDOR_ADDR_MASK);
  845. /* SATA 0 power up */
  846. mask = SATA3_CTRL_SATA0_PD_MASK;
  847. data = 0x0 << SATA3_CTRL_SATA0_PD_OFFSET;
  848. /* SATA 1 power up */
  849. mask |= SATA3_CTRL_SATA1_PD_MASK;
  850. data |= 0x0 << SATA3_CTRL_SATA1_PD_OFFSET;
  851. /* SATA SSU enable */
  852. mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
  853. data |= 0x1 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
  854. /* SATA port 1 enable */
  855. mask |= SATA3_CTRL_SATA_SSU_MASK;
  856. data |= 0x1 << SATA3_CTRL_SATA_SSU_OFFSET;
  857. reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
  858. /* MBUS request size and interface select register */
  859. reg_set(sata_base + SATA3_VENDOR_ADDRESS,
  860. SATA_MBUS_SIZE_SELECT_REG << SATA3_VENDOR_ADDR_OFSSET,
  861. SATA3_VENDOR_ADDR_MASK);
  862. /* Mbus regret enable */
  863. reg_set(sata_base + SATA3_VENDOR_DATA,
  864. 0x1 << SATA_MBUS_REGRET_EN_OFFSET, SATA_MBUS_REGRET_EN_MASK);
  865. debug("stage: Check PLL\n");
  866. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  867. data = SD_EXTERNAL_STATUS0_PLL_TX_MASK &
  868. SD_EXTERNAL_STATUS0_PLL_RX_MASK;
  869. mask = data;
  870. data = polling_with_timeout(addr, data, mask, 15000);
  871. if (data != 0) {
  872. debug("Read from reg = %p - value = 0x%x\n",
  873. hpipe_addr + HPIPE_LANE_STATUS1_REG, data);
  874. error("SD_EXTERNAL_STATUS0_PLL_TX is %d, SD_EXTERNAL_STATUS0_PLL_RX is %d\n",
  875. (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK),
  876. (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK));
  877. ret = 0;
  878. }
  879. debug_exit();
  880. return ret;
  881. }
  882. static int comphy_sgmii_power_up(u32 lane, u32 sgmii_speed,
  883. void __iomem *hpipe_base,
  884. void __iomem *comphy_base)
  885. {
  886. u32 mask, data, ret = 1;
  887. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  888. void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
  889. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  890. void __iomem *addr;
  891. debug_enter();
  892. debug("stage: RFU configurations - hard reset comphy\n");
  893. /* RFU configurations - hard reset comphy */
  894. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  895. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  896. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  897. data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  898. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  899. /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
  900. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  901. data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  902. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
  903. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
  904. if (sgmii_speed == PHY_SPEED_1_25G) {
  905. data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
  906. data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
  907. } else {
  908. /* 3.125G */
  909. data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
  910. data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
  911. }
  912. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  913. data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  914. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  915. data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  916. mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
  917. data |= 1 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
  918. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  919. /* release from hard reset */
  920. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  921. data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  922. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  923. data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  924. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  925. data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  926. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  927. /* release from hard reset */
  928. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  929. data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  930. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  931. data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  932. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  933. /* Wait 1ms - until band gap and ref clock ready */
  934. mdelay(1);
  935. /* Start comphy Configuration */
  936. debug("stage: Comphy configuration\n");
  937. /* set reference clock */
  938. mask = HPIPE_MISC_REFCLK_SEL_MASK;
  939. data = 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
  940. reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
  941. /* Power and PLL Control */
  942. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  943. data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  944. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  945. data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  946. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  947. /* Loopback register */
  948. mask = HPIPE_LOOPBACK_SEL_MASK;
  949. data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET;
  950. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask);
  951. /* rx control 1 */
  952. mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
  953. data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
  954. mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
  955. data |= 0x0 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
  956. reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
  957. /* DTL Control */
  958. mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
  959. data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
  960. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
  961. /* Set analog paramters from ETP(HW) - for now use the default datas */
  962. debug("stage: Analog paramters from ETP(HW)\n");
  963. reg_set(hpipe_addr + HPIPE_G1_SET_0_REG,
  964. 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET,
  965. HPIPE_G1_SET_0_G1_TX_EMPH1_MASK);
  966. debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
  967. /* SERDES External Configuration */
  968. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  969. data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  970. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  971. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  972. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  973. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  974. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  975. /* check PLL rx & tx ready */
  976. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  977. data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
  978. SD_EXTERNAL_STATUS0_PLL_TX_MASK;
  979. mask = data;
  980. data = polling_with_timeout(addr, data, mask, 15000);
  981. if (data != 0) {
  982. debug("Read from reg = %p - value = 0x%x\n",
  983. sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  984. error("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
  985. (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
  986. (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
  987. ret = 0;
  988. }
  989. /* RX init */
  990. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  991. data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  992. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  993. /* check that RX init done */
  994. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  995. data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
  996. mask = data;
  997. data = polling_with_timeout(addr, data, mask, 100);
  998. if (data != 0) {
  999. debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  1000. error("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
  1001. ret = 0;
  1002. }
  1003. debug("stage: RF Reset\n");
  1004. /* RF Reset */
  1005. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  1006. data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  1007. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  1008. data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  1009. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1010. debug_exit();
  1011. return ret;
  1012. }
  1013. static int comphy_sfi_power_up(u32 lane, void __iomem *hpipe_base,
  1014. void __iomem *comphy_base, u32 speed)
  1015. {
  1016. u32 mask, data, ret = 1;
  1017. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  1018. void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
  1019. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  1020. void __iomem *addr;
  1021. debug_enter();
  1022. debug("stage: RFU configurations - hard reset comphy\n");
  1023. /* RFU configurations - hard reset comphy */
  1024. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  1025. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  1026. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  1027. data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  1028. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  1029. /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
  1030. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  1031. data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  1032. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
  1033. data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
  1034. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
  1035. data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
  1036. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  1037. data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  1038. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  1039. data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  1040. mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
  1041. data |= 0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
  1042. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  1043. /* release from hard reset */
  1044. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  1045. data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  1046. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  1047. data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  1048. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  1049. data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  1050. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1051. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  1052. data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  1053. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  1054. data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  1055. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1056. /* Wait 1ms - until band gap and ref clock ready */
  1057. mdelay(1);
  1058. /* Start comphy Configuration */
  1059. debug("stage: Comphy configuration\n");
  1060. /* set reference clock */
  1061. mask = HPIPE_MISC_ICP_FORCE_MASK;
  1062. data = (speed == PHY_SPEED_5_15625G) ?
  1063. (0x0 << HPIPE_MISC_ICP_FORCE_OFFSET) :
  1064. (0x1 << HPIPE_MISC_ICP_FORCE_OFFSET);
  1065. mask |= HPIPE_MISC_REFCLK_SEL_MASK;
  1066. data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
  1067. reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
  1068. /* Power and PLL Control */
  1069. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  1070. data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  1071. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  1072. data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  1073. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  1074. /* Loopback register */
  1075. mask = HPIPE_LOOPBACK_SEL_MASK;
  1076. data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET;
  1077. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask);
  1078. /* rx control 1 */
  1079. mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
  1080. data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
  1081. mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
  1082. data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
  1083. reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
  1084. /* DTL Control */
  1085. mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
  1086. data = 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
  1087. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
  1088. /* Transmitter/Receiver Speed Divider Force */
  1089. if (speed == PHY_SPEED_5_15625G) {
  1090. mask = HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_MASK;
  1091. data = 1 << HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_OFFSET;
  1092. mask |= HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_FORCE_MASK;
  1093. data |= 1 << HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_FORCE_OFFSET;
  1094. mask |= HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_MASK;
  1095. data |= 1 << HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_OFFSET;
  1096. mask |= HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_FORCE_MASK;
  1097. data |= 1 << HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_FORCE_OFFSET;
  1098. } else {
  1099. mask = HPIPE_TXDIGCK_DIV_FORCE_MASK;
  1100. data = 0x1 << HPIPE_TXDIGCK_DIV_FORCE_OFFSET;
  1101. }
  1102. reg_set(hpipe_addr + HPIPE_SPD_DIV_FORCE_REG, data, mask);
  1103. /* Set analog paramters from ETP(HW) */
  1104. debug("stage: Analog paramters from ETP(HW)\n");
  1105. /* SERDES External Configuration 2 */
  1106. mask = SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK;
  1107. data = 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET;
  1108. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask);
  1109. /* 0x7-DFE Resolution control */
  1110. mask = HPIPE_DFE_RES_FORCE_MASK;
  1111. data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET;
  1112. reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
  1113. /* 0xd-G1_Setting_0 */
  1114. if (speed == PHY_SPEED_5_15625G) {
  1115. mask = HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
  1116. data = 0x6 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
  1117. } else {
  1118. mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK;
  1119. data = 0x1c << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET;
  1120. mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
  1121. data |= 0xe << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
  1122. }
  1123. reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask);
  1124. /* Genration 1 setting 2 (G1_Setting_2) */
  1125. mask = HPIPE_G1_SET_2_G1_TX_EMPH0_MASK;
  1126. data = 0x0 << HPIPE_G1_SET_2_G1_TX_EMPH0_OFFSET;
  1127. mask |= HPIPE_G1_SET_2_G1_TX_EMPH0_EN_MASK;
  1128. data |= 0x1 << HPIPE_G1_SET_2_G1_TX_EMPH0_EN_OFFSET;
  1129. reg_set(hpipe_addr + HPIPE_G1_SET_2_REG, data, mask);
  1130. /* Transmitter Slew Rate Control register (tx_reg1) */
  1131. mask = HPIPE_TX_REG1_TX_EMPH_RES_MASK;
  1132. data = 0x3 << HPIPE_TX_REG1_TX_EMPH_RES_OFFSET;
  1133. mask |= HPIPE_TX_REG1_SLC_EN_MASK;
  1134. data |= 0x3f << HPIPE_TX_REG1_SLC_EN_OFFSET;
  1135. reg_set(hpipe_addr + HPIPE_TX_REG1_REG, data, mask);
  1136. /* Impedance Calibration Control register (cal_reg1) */
  1137. mask = HPIPE_CAL_REG_1_EXT_TXIMP_MASK;
  1138. data = 0xe << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET;
  1139. mask |= HPIPE_CAL_REG_1_EXT_TXIMP_EN_MASK;
  1140. data |= 0x1 << HPIPE_CAL_REG_1_EXT_TXIMP_EN_OFFSET;
  1141. reg_set(hpipe_addr + HPIPE_CAL_REG1_REG, data, mask);
  1142. /* Generation 1 Setting 5 (g1_setting_5) */
  1143. mask = HPIPE_G1_SETTING_5_G1_ICP_MASK;
  1144. data = 0 << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET;
  1145. reg_set(hpipe_addr + HPIPE_G1_SETTING_5_REG, data, mask);
  1146. /* 0xE-G1_Setting_1 */
  1147. mask = HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK;
  1148. data = 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET;
  1149. if (speed == PHY_SPEED_5_15625G) {
  1150. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
  1151. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
  1152. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
  1153. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
  1154. } else {
  1155. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
  1156. data |= 0x2 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
  1157. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
  1158. data |= 0x2 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
  1159. mask |= HPIPE_G1_SET_1_G1_RX_SELMUFI_MASK;
  1160. data |= 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUFI_OFFSET;
  1161. mask |= HPIPE_G1_SET_1_G1_RX_SELMUFF_MASK;
  1162. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUFF_OFFSET;
  1163. mask |= HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_MASK;
  1164. data |= 0x3 << HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_OFFSET;
  1165. }
  1166. reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
  1167. /* 0xA-DFE_Reg3 */
  1168. mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
  1169. data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
  1170. mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
  1171. data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
  1172. reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
  1173. /* 0x111-G1_Setting_4 */
  1174. mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK;
  1175. data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
  1176. reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
  1177. /* Genration 1 setting 3 (G1_Setting_3) */
  1178. mask = HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_MASK;
  1179. data = 0x1 << HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_OFFSET;
  1180. if (speed == PHY_SPEED_5_15625G) {
  1181. /* Force FFE (Feed Forward Equalization) to 5G */
  1182. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK;
  1183. data |= 0xf << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET;
  1184. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK;
  1185. data |= 0x4 << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET;
  1186. mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK;
  1187. data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET;
  1188. }
  1189. reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask);
  1190. /* Connfigure RX training timer */
  1191. mask = HPIPE_RX_TRAIN_TIMER_MASK;
  1192. data = 0x13 << HPIPE_RX_TRAIN_TIMER_OFFSET;
  1193. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask);
  1194. /* Enable TX train peak to peak hold */
  1195. mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK;
  1196. data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET;
  1197. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask);
  1198. /* Configure TX preset index */
  1199. mask = HPIPE_TX_PRESET_INDEX_MASK;
  1200. data = 0x2 << HPIPE_TX_PRESET_INDEX_OFFSET;
  1201. reg_set(hpipe_addr + HPIPE_TX_PRESET_INDEX_REG, data, mask);
  1202. /* Disable pattern lock lost timeout */
  1203. mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK;
  1204. data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET;
  1205. reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask);
  1206. /* Configure TX training pattern and TX training 16bit auto */
  1207. mask = HPIPE_TX_TRAIN_16BIT_AUTO_EN_MASK;
  1208. data = 0x1 << HPIPE_TX_TRAIN_16BIT_AUTO_EN_OFFSET;
  1209. mask |= HPIPE_TX_TRAIN_PAT_SEL_MASK;
  1210. data |= 0x1 << HPIPE_TX_TRAIN_PAT_SEL_OFFSET;
  1211. reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask);
  1212. /* Configure Training patten number */
  1213. mask = HPIPE_TRAIN_PAT_NUM_MASK;
  1214. data = 0x88 << HPIPE_TRAIN_PAT_NUM_OFFSET;
  1215. reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_0_REG, data, mask);
  1216. /* Configure differencial manchester encoter to ethernet mode */
  1217. mask = HPIPE_DME_ETHERNET_MODE_MASK;
  1218. data = 0x1 << HPIPE_DME_ETHERNET_MODE_OFFSET;
  1219. reg_set(hpipe_addr + HPIPE_DME_REG, data, mask);
  1220. /* Configure VDD Continuous Calibration */
  1221. mask = HPIPE_CAL_VDD_CONT_MODE_MASK;
  1222. data = 0x1 << HPIPE_CAL_VDD_CONT_MODE_OFFSET;
  1223. reg_set(hpipe_addr + HPIPE_VDD_CAL_0_REG, data, mask);
  1224. /* Trigger sampler enable pulse (by toggleing the bit) */
  1225. mask = HPIPE_RX_SAMPLER_OS_GAIN_MASK;
  1226. data = 0x3 << HPIPE_RX_SAMPLER_OS_GAIN_OFFSET;
  1227. mask |= HPIPE_SMAPLER_MASK;
  1228. data |= 0x1 << HPIPE_SMAPLER_OFFSET;
  1229. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
  1230. mask = HPIPE_SMAPLER_MASK;
  1231. data = 0x0 << HPIPE_SMAPLER_OFFSET;
  1232. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
  1233. /* Set External RX Regulator Control */
  1234. mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
  1235. data = 0x1A << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
  1236. reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
  1237. debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
  1238. /* SERDES External Configuration */
  1239. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  1240. data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  1241. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  1242. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  1243. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  1244. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  1245. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  1246. /* check PLL rx & tx ready */
  1247. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  1248. data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
  1249. SD_EXTERNAL_STATUS0_PLL_TX_MASK;
  1250. mask = data;
  1251. data = polling_with_timeout(addr, data, mask, 15000);
  1252. if (data != 0) {
  1253. debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  1254. error("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
  1255. (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
  1256. (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
  1257. ret = 0;
  1258. }
  1259. /* RX init */
  1260. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  1261. data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  1262. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1263. /* check that RX init done */
  1264. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  1265. data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
  1266. mask = data;
  1267. data = polling_with_timeout(addr, data, mask, 100);
  1268. if (data != 0) {
  1269. debug("Read from reg = %p - value = 0x%x\n",
  1270. sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  1271. error("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
  1272. ret = 0;
  1273. }
  1274. debug("stage: RF Reset\n");
  1275. /* RF Reset */
  1276. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  1277. data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  1278. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  1279. data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  1280. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1281. debug_exit();
  1282. return ret;
  1283. }
  1284. static int comphy_rxauii_power_up(u32 lane, void __iomem *hpipe_base,
  1285. void __iomem *comphy_base)
  1286. {
  1287. u32 mask, data, ret = 1;
  1288. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  1289. void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
  1290. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  1291. void __iomem *addr;
  1292. debug_enter();
  1293. debug("stage: RFU configurations - hard reset comphy\n");
  1294. /* RFU configurations - hard reset comphy */
  1295. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  1296. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  1297. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  1298. data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  1299. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  1300. if (lane == 2) {
  1301. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  1302. 0x1 << COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET,
  1303. COMMON_PHY_SD_CTRL1_RXAUI0_MASK);
  1304. }
  1305. if (lane == 4) {
  1306. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  1307. 0x1 << COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET,
  1308. COMMON_PHY_SD_CTRL1_RXAUI1_MASK);
  1309. }
  1310. /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
  1311. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  1312. data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  1313. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
  1314. data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
  1315. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
  1316. data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
  1317. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  1318. data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  1319. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  1320. data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  1321. mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
  1322. data |= 0x0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
  1323. mask |= SD_EXTERNAL_CONFIG0_MEDIA_MODE_MASK;
  1324. data |= 0x1 << SD_EXTERNAL_CONFIG0_MEDIA_MODE_OFFSET;
  1325. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  1326. /* release from hard reset */
  1327. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  1328. data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  1329. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  1330. data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  1331. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  1332. data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  1333. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1334. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  1335. data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  1336. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  1337. data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  1338. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1339. /* Wait 1ms - until band gap and ref clock ready */
  1340. mdelay(1);
  1341. /* Start comphy Configuration */
  1342. debug("stage: Comphy configuration\n");
  1343. /* set reference clock */
  1344. reg_set(hpipe_addr + HPIPE_MISC_REG,
  1345. 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
  1346. HPIPE_MISC_REFCLK_SEL_MASK);
  1347. /* Power and PLL Control */
  1348. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  1349. data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  1350. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  1351. data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  1352. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  1353. /* Loopback register */
  1354. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
  1355. 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK);
  1356. /* rx control 1 */
  1357. mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
  1358. data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
  1359. mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
  1360. data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
  1361. reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
  1362. /* DTL Control */
  1363. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG,
  1364. 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET,
  1365. HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK);
  1366. /* Set analog paramters from ETP(HW) */
  1367. debug("stage: Analog paramters from ETP(HW)\n");
  1368. /* SERDES External Configuration 2 */
  1369. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG,
  1370. 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET,
  1371. SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK);
  1372. /* 0x7-DFE Resolution control */
  1373. reg_set(hpipe_addr + HPIPE_DFE_REG0, 0x1 << HPIPE_DFE_RES_FORCE_OFFSET,
  1374. HPIPE_DFE_RES_FORCE_MASK);
  1375. /* 0xd-G1_Setting_0 */
  1376. reg_set(hpipe_addr + HPIPE_G1_SET_0_REG,
  1377. 0xd << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET,
  1378. HPIPE_G1_SET_0_G1_TX_EMPH1_MASK);
  1379. /* 0xE-G1_Setting_1 */
  1380. mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
  1381. data = 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
  1382. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
  1383. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
  1384. mask |= HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK;
  1385. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET;
  1386. reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
  1387. /* 0xA-DFE_Reg3 */
  1388. mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
  1389. data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
  1390. mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
  1391. data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
  1392. reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
  1393. /* 0x111-G1_Setting_4 */
  1394. mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK;
  1395. data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
  1396. reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
  1397. debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
  1398. /* SERDES External Configuration */
  1399. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  1400. data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  1401. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  1402. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  1403. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  1404. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  1405. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  1406. /* check PLL rx & tx ready */
  1407. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  1408. data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
  1409. SD_EXTERNAL_STATUS0_PLL_TX_MASK;
  1410. mask = data;
  1411. data = polling_with_timeout(addr, data, mask, 15000);
  1412. if (data != 0) {
  1413. debug("Read from reg = %p - value = 0x%x\n",
  1414. sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  1415. error("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
  1416. (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
  1417. (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
  1418. ret = 0;
  1419. }
  1420. /* RX init */
  1421. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG,
  1422. 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET,
  1423. SD_EXTERNAL_CONFIG1_RX_INIT_MASK);
  1424. /* check that RX init done */
  1425. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  1426. data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
  1427. mask = data;
  1428. data = polling_with_timeout(addr, data, mask, 100);
  1429. if (data != 0) {
  1430. debug("Read from reg = %p - value = 0x%x\n",
  1431. sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  1432. error("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
  1433. ret = 0;
  1434. }
  1435. debug("stage: RF Reset\n");
  1436. /* RF Reset */
  1437. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  1438. data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  1439. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  1440. data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  1441. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1442. debug_exit();
  1443. return ret;
  1444. }
  1445. static void comphy_utmi_power_down(u32 utmi_index, void __iomem *utmi_base_addr,
  1446. void __iomem *usb_cfg_addr,
  1447. void __iomem *utmi_cfg_addr,
  1448. u32 utmi_phy_port)
  1449. {
  1450. u32 mask, data;
  1451. debug_enter();
  1452. debug("stage: UTMI %d - Power down transceiver (power down Phy), Power down PLL, and SuspendDM\n",
  1453. utmi_index);
  1454. /* Power down UTMI PHY */
  1455. reg_set(utmi_cfg_addr, 0x0 << UTMI_PHY_CFG_PU_OFFSET,
  1456. UTMI_PHY_CFG_PU_MASK);
  1457. /*
  1458. * If UTMI connected to USB Device, configure mux prior to PHY init
  1459. * (Device can be connected to UTMI0 or to UTMI1)
  1460. */
  1461. if (utmi_phy_port == UTMI_PHY_TO_USB3_DEVICE0) {
  1462. debug("stage: UTMI %d - Enable Device mode and configure UTMI mux\n",
  1463. utmi_index);
  1464. /* USB3 Device UTMI enable */
  1465. mask = UTMI_USB_CFG_DEVICE_EN_MASK;
  1466. data = 0x1 << UTMI_USB_CFG_DEVICE_EN_OFFSET;
  1467. /* USB3 Device UTMI MUX */
  1468. mask |= UTMI_USB_CFG_DEVICE_MUX_MASK;
  1469. data |= utmi_index << UTMI_USB_CFG_DEVICE_MUX_OFFSET;
  1470. reg_set(usb_cfg_addr, data, mask);
  1471. }
  1472. /* Set Test suspendm mode */
  1473. mask = UTMI_CTRL_STATUS0_SUSPENDM_MASK;
  1474. data = 0x1 << UTMI_CTRL_STATUS0_SUSPENDM_OFFSET;
  1475. /* Enable Test UTMI select */
  1476. mask |= UTMI_CTRL_STATUS0_TEST_SEL_MASK;
  1477. data |= 0x1 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET;
  1478. reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, data, mask);
  1479. /* Wait for UTMI power down */
  1480. mdelay(1);
  1481. debug_exit();
  1482. return;
  1483. }
  1484. static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_base_addr,
  1485. void __iomem *usb_cfg_addr,
  1486. void __iomem *utmi_cfg_addr,
  1487. u32 utmi_phy_port)
  1488. {
  1489. u32 mask, data;
  1490. debug_exit();
  1491. debug("stage: Configure UTMI PHY %d registers\n", utmi_index);
  1492. /* Reference Clock Divider Select */
  1493. mask = UTMI_PLL_CTRL_REFDIV_MASK;
  1494. data = 0x5 << UTMI_PLL_CTRL_REFDIV_OFFSET;
  1495. /* Feedback Clock Divider Select - 90 for 25Mhz*/
  1496. mask |= UTMI_PLL_CTRL_FBDIV_MASK;
  1497. data |= 0x60 << UTMI_PLL_CTRL_FBDIV_OFFSET;
  1498. /* Select LPFR - 0x0 for 25Mhz/5=5Mhz*/
  1499. mask |= UTMI_PLL_CTRL_SEL_LPFR_MASK;
  1500. data |= 0x0 << UTMI_PLL_CTRL_SEL_LPFR_OFFSET;
  1501. reg_set(utmi_base_addr + UTMI_PLL_CTRL_REG, data, mask);
  1502. /* Impedance Calibration Threshold Setting */
  1503. reg_set(utmi_base_addr + UTMI_CALIB_CTRL_REG,
  1504. 0x6 << UTMI_CALIB_CTRL_IMPCAL_VTH_OFFSET,
  1505. UTMI_CALIB_CTRL_IMPCAL_VTH_MASK);
  1506. /* Set LS TX driver strength coarse control */
  1507. mask = UTMI_TX_CH_CTRL_DRV_EN_LS_MASK;
  1508. data = 0x3 << UTMI_TX_CH_CTRL_DRV_EN_LS_OFFSET;
  1509. /* Set LS TX driver fine adjustment */
  1510. mask |= UTMI_TX_CH_CTRL_IMP_SEL_LS_MASK;
  1511. data |= 0x3 << UTMI_TX_CH_CTRL_IMP_SEL_LS_OFFSET;
  1512. reg_set(utmi_base_addr + UTMI_TX_CH_CTRL_REG, data, mask);
  1513. /* Enable SQ */
  1514. mask = UTMI_RX_CH_CTRL0_SQ_DET_MASK;
  1515. data = 0x0 << UTMI_RX_CH_CTRL0_SQ_DET_OFFSET;
  1516. /* Enable analog squelch detect */
  1517. mask |= UTMI_RX_CH_CTRL0_SQ_ANA_DTC_MASK;
  1518. data |= 0x1 << UTMI_RX_CH_CTRL0_SQ_ANA_DTC_OFFSET;
  1519. reg_set(utmi_base_addr + UTMI_RX_CH_CTRL0_REG, data, mask);
  1520. /* Set External squelch calibration number */
  1521. mask = UTMI_RX_CH_CTRL1_SQ_AMP_CAL_MASK;
  1522. data = 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET;
  1523. /* Enable the External squelch calibration */
  1524. mask |= UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_MASK;
  1525. data |= 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_OFFSET;
  1526. reg_set(utmi_base_addr + UTMI_RX_CH_CTRL1_REG, data, mask);
  1527. /* Set Control VDAT Reference Voltage - 0.325V */
  1528. mask = UTMI_CHGDTC_CTRL_VDAT_MASK;
  1529. data = 0x1 << UTMI_CHGDTC_CTRL_VDAT_OFFSET;
  1530. /* Set Control VSRC Reference Voltage - 0.6V */
  1531. mask |= UTMI_CHGDTC_CTRL_VSRC_MASK;
  1532. data |= 0x1 << UTMI_CHGDTC_CTRL_VSRC_OFFSET;
  1533. reg_set(utmi_base_addr + UTMI_CHGDTC_CTRL_REG, data, mask);
  1534. debug_exit();
  1535. return;
  1536. }
  1537. static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_base_addr,
  1538. void __iomem *usb_cfg_addr,
  1539. void __iomem *utmi_cfg_addr, u32 utmi_phy_port)
  1540. {
  1541. u32 data, mask, ret = 1;
  1542. void __iomem *addr;
  1543. debug_enter();
  1544. debug("stage: UTMI %d - Power up transceiver(Power up Phy), and exit SuspendDM\n",
  1545. utmi_index);
  1546. /* Power UP UTMI PHY */
  1547. reg_set(utmi_cfg_addr, 0x1 << UTMI_PHY_CFG_PU_OFFSET,
  1548. UTMI_PHY_CFG_PU_MASK);
  1549. /* Disable Test UTMI select */
  1550. reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG,
  1551. 0x0 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET,
  1552. UTMI_CTRL_STATUS0_TEST_SEL_MASK);
  1553. debug("stage: Polling for PLL and impedance calibration done, and PLL ready done\n");
  1554. addr = utmi_base_addr + UTMI_CALIB_CTRL_REG;
  1555. data = UTMI_CALIB_CTRL_IMPCAL_DONE_MASK;
  1556. mask = data;
  1557. data = polling_with_timeout(addr, data, mask, 100);
  1558. if (data != 0) {
  1559. error("Impedance calibration is not done\n");
  1560. debug("Read from reg = %p - value = 0x%x\n", addr, data);
  1561. ret = 0;
  1562. }
  1563. data = UTMI_CALIB_CTRL_PLLCAL_DONE_MASK;
  1564. mask = data;
  1565. data = polling_with_timeout(addr, data, mask, 100);
  1566. if (data != 0) {
  1567. error("PLL calibration is not done\n");
  1568. debug("Read from reg = %p - value = 0x%x\n", addr, data);
  1569. ret = 0;
  1570. }
  1571. addr = utmi_base_addr + UTMI_PLL_CTRL_REG;
  1572. data = UTMI_PLL_CTRL_PLL_RDY_MASK;
  1573. mask = data;
  1574. data = polling_with_timeout(addr, data, mask, 100);
  1575. if (data != 0) {
  1576. error("PLL is not ready\n");
  1577. debug("Read from reg = %p - value = 0x%x\n", addr, data);
  1578. ret = 0;
  1579. }
  1580. if (ret)
  1581. debug("Passed\n");
  1582. else
  1583. debug("\n");
  1584. debug_exit();
  1585. return ret;
  1586. }
  1587. /*
  1588. * comphy_utmi_phy_init initialize the UTMI PHY
  1589. * the init split in 3 parts:
  1590. * 1. Power down transceiver and PLL
  1591. * 2. UTMI PHY configure
  1592. * 3. Powe up transceiver and PLL
  1593. * Note: - Power down/up should be once for both UTMI PHYs
  1594. * - comphy_dedicated_phys_init call this function if at least there is
  1595. * one UTMI PHY exists in FDT blob. access to cp110_utmi_data[0] is
  1596. * legal
  1597. */
  1598. static void comphy_utmi_phy_init(u32 utmi_phy_count,
  1599. struct utmi_phy_data *cp110_utmi_data)
  1600. {
  1601. u32 i;
  1602. debug_enter();
  1603. /* UTMI Power down */
  1604. for (i = 0; i < utmi_phy_count; i++) {
  1605. comphy_utmi_power_down(i, cp110_utmi_data[i].utmi_base_addr,
  1606. cp110_utmi_data[i].usb_cfg_addr,
  1607. cp110_utmi_data[i].utmi_cfg_addr,
  1608. cp110_utmi_data[i].utmi_phy_port);
  1609. }
  1610. /* PLL Power down */
  1611. debug("stage: UTMI PHY power down PLL\n");
  1612. for (i = 0; i < utmi_phy_count; i++) {
  1613. reg_set(cp110_utmi_data[i].usb_cfg_addr,
  1614. 0x0 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
  1615. }
  1616. /* UTMI configure */
  1617. for (i = 0; i < utmi_phy_count; i++) {
  1618. comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_base_addr,
  1619. cp110_utmi_data[i].usb_cfg_addr,
  1620. cp110_utmi_data[i].utmi_cfg_addr,
  1621. cp110_utmi_data[i].utmi_phy_port);
  1622. }
  1623. /* UTMI Power up */
  1624. for (i = 0; i < utmi_phy_count; i++) {
  1625. if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_base_addr,
  1626. cp110_utmi_data[i].usb_cfg_addr,
  1627. cp110_utmi_data[i].utmi_cfg_addr,
  1628. cp110_utmi_data[i].utmi_phy_port)) {
  1629. error("Failed to initialize UTMI PHY %d\n", i);
  1630. continue;
  1631. }
  1632. printf("UTMI PHY %d initialized to ", i);
  1633. if (cp110_utmi_data[i].utmi_phy_port ==
  1634. UTMI_PHY_TO_USB3_DEVICE0)
  1635. printf("USB Device\n");
  1636. else
  1637. printf("USB Host%d\n",
  1638. cp110_utmi_data[i].utmi_phy_port);
  1639. }
  1640. /* PLL Power up */
  1641. debug("stage: UTMI PHY power up PLL\n");
  1642. for (i = 0; i < utmi_phy_count; i++) {
  1643. reg_set(cp110_utmi_data[i].usb_cfg_addr,
  1644. 0x1 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
  1645. }
  1646. debug_exit();
  1647. return;
  1648. }
  1649. /*
  1650. * comphy_dedicated_phys_init initialize the dedicated PHYs
  1651. * - not muxed SerDes lanes e.g. UTMI PHY
  1652. */
  1653. void comphy_dedicated_phys_init(void)
  1654. {
  1655. struct utmi_phy_data cp110_utmi_data[MAX_UTMI_PHY_COUNT];
  1656. int node;
  1657. int i;
  1658. debug_enter();
  1659. debug("Initialize USB UTMI PHYs\n");
  1660. /* Find the UTMI phy node in device tree and go over them */
  1661. node = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
  1662. "marvell,mvebu-utmi-2.6.0");
  1663. i = 0;
  1664. while (node > 0) {
  1665. /* get base address of UTMI phy */
  1666. cp110_utmi_data[i].utmi_base_addr =
  1667. (void __iomem *)fdtdec_get_addr_size_auto_noparent(
  1668. gd->fdt_blob, node, "reg", 0, NULL, true);
  1669. if (cp110_utmi_data[i].utmi_base_addr == NULL) {
  1670. error("UTMI PHY base address is invalid\n");
  1671. i++;
  1672. continue;
  1673. }
  1674. /* get usb config address */
  1675. cp110_utmi_data[i].usb_cfg_addr =
  1676. (void __iomem *)fdtdec_get_addr_size_auto_noparent(
  1677. gd->fdt_blob, node, "reg", 1, NULL, true);
  1678. if (cp110_utmi_data[i].usb_cfg_addr == NULL) {
  1679. error("UTMI PHY base address is invalid\n");
  1680. i++;
  1681. continue;
  1682. }
  1683. /* get UTMI config address */
  1684. cp110_utmi_data[i].utmi_cfg_addr =
  1685. (void __iomem *)fdtdec_get_addr_size_auto_noparent(
  1686. gd->fdt_blob, node, "reg", 2, NULL, true);
  1687. if (cp110_utmi_data[i].utmi_cfg_addr == NULL) {
  1688. error("UTMI PHY base address is invalid\n");
  1689. i++;
  1690. continue;
  1691. }
  1692. /*
  1693. * get the port number (to check if the utmi connected to
  1694. * host/device)
  1695. */
  1696. cp110_utmi_data[i].utmi_phy_port = fdtdec_get_int(
  1697. gd->fdt_blob, node, "utmi-port", UTMI_PHY_INVALID);
  1698. if (cp110_utmi_data[i].utmi_phy_port == UTMI_PHY_INVALID) {
  1699. error("UTMI PHY port type is invalid\n");
  1700. i++;
  1701. continue;
  1702. }
  1703. node = fdt_node_offset_by_compatible(
  1704. gd->fdt_blob, node, "marvell,mvebu-utmi-2.6.0");
  1705. i++;
  1706. }
  1707. if (i > 0)
  1708. comphy_utmi_phy_init(i, cp110_utmi_data);
  1709. debug_exit();
  1710. }
  1711. static void comphy_mux_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
  1712. struct comphy_map *serdes_map)
  1713. {
  1714. void __iomem *comphy_base_addr;
  1715. struct comphy_map comphy_map_pipe_data[MAX_LANE_OPTIONS];
  1716. struct comphy_map comphy_map_phy_data[MAX_LANE_OPTIONS];
  1717. u32 lane, comphy_max_count;
  1718. comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
  1719. comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
  1720. /*
  1721. * Copy the SerDes map configuration for PIPE map and PHY map
  1722. * the comphy_mux_init modify the type of the lane if the type
  1723. * is not valid because we have 2 selectores run the
  1724. * comphy_mux_init twice and after that update the original
  1725. * serdes_map
  1726. */
  1727. for (lane = 0; lane < comphy_max_count; lane++) {
  1728. comphy_map_pipe_data[lane].type = serdes_map[lane].type;
  1729. comphy_map_pipe_data[lane].speed = serdes_map[lane].speed;
  1730. comphy_map_phy_data[lane].type = serdes_map[lane].type;
  1731. comphy_map_phy_data[lane].speed = serdes_map[lane].speed;
  1732. }
  1733. ptr_chip_cfg->mux_data = cp110_comphy_phy_mux_data;
  1734. comphy_mux_init(ptr_chip_cfg, comphy_map_phy_data,
  1735. comphy_base_addr + COMMON_SELECTOR_PHY_OFFSET);
  1736. ptr_chip_cfg->mux_data = cp110_comphy_pipe_mux_data;
  1737. comphy_mux_init(ptr_chip_cfg, comphy_map_pipe_data,
  1738. comphy_base_addr + COMMON_SELECTOR_PIPE_OFFSET);
  1739. /* Fix the type after check the PHY and PIPE configuration */
  1740. for (lane = 0; lane < comphy_max_count; lane++) {
  1741. if ((comphy_map_pipe_data[lane].type == PHY_TYPE_UNCONNECTED) &&
  1742. (comphy_map_phy_data[lane].type == PHY_TYPE_UNCONNECTED))
  1743. serdes_map[lane].type = PHY_TYPE_UNCONNECTED;
  1744. }
  1745. }
  1746. int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
  1747. struct comphy_map *serdes_map)
  1748. {
  1749. struct comphy_map *ptr_comphy_map;
  1750. void __iomem *comphy_base_addr, *hpipe_base_addr;
  1751. u32 comphy_max_count, lane, ret = 0;
  1752. u32 pcie_width = 0;
  1753. debug_enter();
  1754. comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
  1755. comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
  1756. hpipe_base_addr = ptr_chip_cfg->hpipe3_base_addr;
  1757. /* Config Comphy mux configuration */
  1758. comphy_mux_cp110_init(ptr_chip_cfg, serdes_map);
  1759. /* Check if the first 4 lanes configured as By-4 */
  1760. for (lane = 0, ptr_comphy_map = serdes_map; lane < 4;
  1761. lane++, ptr_comphy_map++) {
  1762. if (ptr_comphy_map->type != PHY_TYPE_PEX0)
  1763. break;
  1764. pcie_width++;
  1765. }
  1766. for (lane = 0, ptr_comphy_map = serdes_map; lane < comphy_max_count;
  1767. lane++, ptr_comphy_map++) {
  1768. debug("Initialize serdes number %d\n", lane);
  1769. debug("Serdes type = 0x%x\n", ptr_comphy_map->type);
  1770. if (lane == 4) {
  1771. /*
  1772. * PCIe lanes above the first 4 lanes, can be only
  1773. * by1
  1774. */
  1775. pcie_width = 1;
  1776. }
  1777. switch (ptr_comphy_map->type) {
  1778. case PHY_TYPE_UNCONNECTED:
  1779. case PHY_TYPE_IGNORE:
  1780. continue;
  1781. break;
  1782. case PHY_TYPE_PEX0:
  1783. case PHY_TYPE_PEX1:
  1784. case PHY_TYPE_PEX2:
  1785. case PHY_TYPE_PEX3:
  1786. ret = comphy_pcie_power_up(
  1787. lane, pcie_width, ptr_comphy_map->clk_src,
  1788. serdes_map->end_point,
  1789. hpipe_base_addr, comphy_base_addr);
  1790. break;
  1791. case PHY_TYPE_SATA0:
  1792. case PHY_TYPE_SATA1:
  1793. case PHY_TYPE_SATA2:
  1794. case PHY_TYPE_SATA3:
  1795. ret = comphy_sata_power_up(
  1796. lane, hpipe_base_addr, comphy_base_addr,
  1797. ptr_chip_cfg->cp_index);
  1798. break;
  1799. case PHY_TYPE_USB3_HOST0:
  1800. case PHY_TYPE_USB3_HOST1:
  1801. case PHY_TYPE_USB3_DEVICE:
  1802. ret = comphy_usb3_power_up(lane, hpipe_base_addr,
  1803. comphy_base_addr);
  1804. break;
  1805. case PHY_TYPE_SGMII0:
  1806. case PHY_TYPE_SGMII1:
  1807. case PHY_TYPE_SGMII2:
  1808. case PHY_TYPE_SGMII3:
  1809. if (ptr_comphy_map->speed == PHY_SPEED_INVALID) {
  1810. debug("Warning: SGMII PHY speed in lane %d is invalid, set PHY speed to 1.25G\n",
  1811. lane);
  1812. ptr_comphy_map->speed = PHY_SPEED_1_25G;
  1813. }
  1814. ret = comphy_sgmii_power_up(
  1815. lane, ptr_comphy_map->speed, hpipe_base_addr,
  1816. comphy_base_addr);
  1817. break;
  1818. case PHY_TYPE_SFI:
  1819. ret = comphy_sfi_power_up(lane, hpipe_base_addr,
  1820. comphy_base_addr,
  1821. ptr_comphy_map->speed);
  1822. break;
  1823. case PHY_TYPE_RXAUI0:
  1824. case PHY_TYPE_RXAUI1:
  1825. ret = comphy_rxauii_power_up(lane, hpipe_base_addr,
  1826. comphy_base_addr);
  1827. break;
  1828. default:
  1829. debug("Unknown SerDes type, skip initialize SerDes %d\n",
  1830. lane);
  1831. break;
  1832. }
  1833. if (ret == 0) {
  1834. /*
  1835. * If interface wans't initialized, set the lane to
  1836. * PHY_TYPE_UNCONNECTED state.
  1837. */
  1838. ptr_comphy_map->type = PHY_TYPE_UNCONNECTED;
  1839. error("PLL is not locked - Failed to initialize lane %d\n",
  1840. lane);
  1841. }
  1842. }
  1843. debug_exit();
  1844. return 0;
  1845. }