comphy_cp110.c 59 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, XAUI0, RXAUI0, KR)
  32. */
  33. struct comphy_mux_data cp110_comphy_phy_mux_data[] = {
  34. {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 0 */
  35. {PHY_TYPE_XAUI2, 0x1}, {PHY_TYPE_SATA1, 0x4} } },
  36. {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII3, 0x1}, /* Lane 1 */
  37. {PHY_TYPE_XAUI3, 0x1}, {PHY_TYPE_SATA0, 0x4} } },
  38. {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x1}, /* Lane 2 */
  39. {PHY_TYPE_XAUI0, 0x1}, {PHY_TYPE_RXAUI0, 0x1},
  40. {PHY_TYPE_KR, 0x1}, {PHY_TYPE_SATA0, 0x4} } },
  41. {8, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x1}, /* Lane 3 */
  42. {PHY_TYPE_XAUI0, 0x1}, {PHY_TYPE_RXAUI0, 0x1},
  43. {PHY_TYPE_KR, 0x1}, {PHY_TYPE_XAUI1, 0x1},
  44. {PHY_TYPE_RXAUI1, 0x1}, {PHY_TYPE_SATA1, 0x4} } },
  45. {7, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x2}, /* Lane 4 */
  46. {PHY_TYPE_XAUI0, 0x1}, {PHY_TYPE_RXAUI0, 0x1}, {PHY_TYPE_KR, 0x1},
  47. {PHY_TYPE_SGMII2, 0x1}, {PHY_TYPE_XAUI2, 0x1} } },
  48. {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_XAUI1, 0x1}, /* Lane 5 */
  49. {PHY_TYPE_RXAUI1, 0x1}, {PHY_TYPE_SGMII3, 0x1},
  50. {PHY_TYPE_XAUI3, 0x1}, {PHY_TYPE_SATA1, 0x4} } },
  51. };
  52. struct comphy_mux_data cp110_comphy_pipe_mux_data[] = {
  53. {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX0, 0x4} } }, /* Lane 0 */
  54. {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 1 */
  55. {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_USB3_DEVICE, 0x2},
  56. {PHY_TYPE_PEX0, 0x4} } },
  57. {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 2 */
  58. {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
  59. {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 3 */
  60. {PHY_TYPE_USB3_HOST1, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
  61. {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 4 */
  62. {PHY_TYPE_USB3_HOST1, 0x1},
  63. {PHY_TYPE_USB3_DEVICE, 0x2}, {PHY_TYPE_PEX1, 0x4} } },
  64. {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX2, 0x4} } }, /* Lane 5 */
  65. };
  66. static u32 polling_with_timeout(void __iomem *addr, u32 val,
  67. u32 mask, unsigned long usec_timout)
  68. {
  69. u32 data;
  70. do {
  71. udelay(1);
  72. data = readl(addr) & mask;
  73. } while (data != val && --usec_timout > 0);
  74. if (usec_timout == 0)
  75. return data;
  76. return 0;
  77. }
  78. static int comphy_pcie_power_up(u32 lane, u32 pcie_width,
  79. bool clk_src, void __iomem *hpipe_base,
  80. void __iomem *comphy_base)
  81. {
  82. u32 mask, data, ret = 1;
  83. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  84. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  85. void __iomem *addr;
  86. u32 pcie_clk = 0; /* set input by default */
  87. debug_enter();
  88. /*
  89. * ToDo:
  90. * Add SAR (Sample-At-Reset) configuration for the PCIe clock
  91. * direction. SAR code is currently not ported from Marvell
  92. * U-Boot to mainline version.
  93. *
  94. * SerDes Lane 4/5 got the PCIe ref-clock #1,
  95. * and SerDes Lane 0 got PCIe ref-clock #0
  96. */
  97. debug("PCIe clock = %x\n", pcie_clk);
  98. debug("PCIe width = %d\n", pcie_width);
  99. /* enable PCIe by4 and by2 */
  100. if (lane == 0) {
  101. if (pcie_width == 4) {
  102. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  103. 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET,
  104. COMMON_PHY_SD_CTRL1_PCIE_X4_EN_MASK);
  105. } else if (pcie_width == 2) {
  106. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  107. 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET,
  108. COMMON_PHY_SD_CTRL1_PCIE_X2_EN_MASK);
  109. }
  110. }
  111. /*
  112. * If PCIe clock is output and clock source from SerDes lane 5,
  113. * we need to configure the clock-source MUX.
  114. * By default, the clock source is from lane 4
  115. */
  116. if (pcie_clk && clk_src && (lane == 5)) {
  117. reg_set((void __iomem *)DFX_DEV_GEN_CTRL12,
  118. 0x3 << DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET,
  119. DFX_DEV_GEN_PCIE_CLK_SRC_MASK);
  120. }
  121. debug("stage: RFU configurations - hard reset comphy\n");
  122. /* RFU configurations - hard reset comphy */
  123. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  124. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  125. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  126. data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  127. mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  128. data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  129. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  130. data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  131. mask |= COMMON_PHY_PHY_MODE_MASK;
  132. data |= 0x0 << COMMON_PHY_PHY_MODE_OFFSET;
  133. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  134. /* release from hard reset */
  135. mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  136. data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  137. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  138. data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  139. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  140. /* Wait 1ms - until band gap and ref clock ready */
  141. mdelay(1);
  142. /* Start comphy Configuration */
  143. debug("stage: Comphy configuration\n");
  144. /* Set PIPE soft reset */
  145. mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
  146. data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
  147. /* Set PHY datapath width mode for V0 */
  148. mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
  149. data |= 0x1 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
  150. /* Set Data bus width USB mode for V0 */
  151. mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
  152. data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
  153. /* Set CORE_CLK output frequency for 250Mhz */
  154. mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
  155. data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
  156. reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
  157. /* Set PLL ready delay for 0x2 */
  158. data = 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET;
  159. mask = HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK;
  160. if (pcie_width != 1) {
  161. data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_OFFSET;
  162. mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_MASK;
  163. data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_OFFSET;
  164. mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_MASK;
  165. }
  166. reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG, data, mask);
  167. /* Set PIPE mode interface to PCIe3 - 0x1 & set lane order */
  168. data = 0x1 << HPIPE_CLK_SRC_HI_MODE_PIPE_OFFSET;
  169. mask = HPIPE_CLK_SRC_HI_MODE_PIPE_MASK;
  170. if (pcie_width != 1) {
  171. mask |= HPIPE_CLK_SRC_HI_LANE_STRT_MASK;
  172. mask |= HPIPE_CLK_SRC_HI_LANE_MASTER_MASK;
  173. mask |= HPIPE_CLK_SRC_HI_LANE_BREAK_MASK;
  174. if (lane == 0) {
  175. data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_STRT_OFFSET;
  176. data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_MASTER_OFFSET;
  177. } else if (lane == (pcie_width - 1)) {
  178. data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_BREAK_OFFSET;
  179. }
  180. }
  181. reg_set(hpipe_addr + HPIPE_CLK_SRC_HI_REG, data, mask);
  182. /* Config update polarity equalization */
  183. reg_set(hpipe_addr + HPIPE_LANE_EQ_CFG1_REG,
  184. 0x1 << HPIPE_CFG_UPDATE_POLARITY_OFFSET,
  185. HPIPE_CFG_UPDATE_POLARITY_MASK);
  186. /* Set PIPE version 4 to mode enable */
  187. reg_set(hpipe_addr + HPIPE_DFE_CTRL_28_REG,
  188. 0x1 << HPIPE_DFE_CTRL_28_PIPE4_OFFSET,
  189. HPIPE_DFE_CTRL_28_PIPE4_MASK);
  190. /* TODO: check if pcie clock is output/input - for bringup use input*/
  191. /* Enable PIN clock 100M_125M */
  192. mask = 0;
  193. data = 0;
  194. /* Only if clock is output, configure the clock-source mux */
  195. if (pcie_clk) {
  196. mask |= HPIPE_MISC_CLK100M_125M_MASK;
  197. data |= 0x1 << HPIPE_MISC_CLK100M_125M_OFFSET;
  198. }
  199. /*
  200. * Set PIN_TXDCLK_2X Clock Frequency Selection for outputs 500MHz
  201. * clock
  202. */
  203. mask |= HPIPE_MISC_TXDCLK_2X_MASK;
  204. data |= 0x0 << HPIPE_MISC_TXDCLK_2X_OFFSET;
  205. /* Enable 500MHz Clock */
  206. mask |= HPIPE_MISC_CLK500_EN_MASK;
  207. data |= 0x1 << HPIPE_MISC_CLK500_EN_OFFSET;
  208. if (pcie_clk) { /* output */
  209. /* Set reference clock comes from group 1 */
  210. mask |= HPIPE_MISC_REFCLK_SEL_MASK;
  211. data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
  212. } else {
  213. /* Set reference clock comes from group 2 */
  214. mask |= HPIPE_MISC_REFCLK_SEL_MASK;
  215. data |= 0x1 << HPIPE_MISC_REFCLK_SEL_OFFSET;
  216. }
  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. /* Set Link Train Mode (Tx training control pins are used) */
  250. mask |= HPIPE_INTERFACE_LINK_TRAIN_MASK;
  251. data |= 0x1 << HPIPE_INTERFACE_LINK_TRAIN_OFFSET;
  252. reg_set(hpipe_addr + HPIPE_INTERFACE_REG, data, mask);
  253. /* Set Idle_sync enable */
  254. mask = HPIPE_PCIE_IDLE_SYNC_MASK;
  255. data = 0x1 << HPIPE_PCIE_IDLE_SYNC_OFFSET;
  256. /* Select bits for PCIE Gen3(32bit) */
  257. mask |= HPIPE_PCIE_SEL_BITS_MASK;
  258. data |= 0x2 << HPIPE_PCIE_SEL_BITS_OFFSET;
  259. reg_set(hpipe_addr + HPIPE_PCIE_REG0, data, mask);
  260. /* Enable Tx_adapt_g1 */
  261. mask = HPIPE_TX_TRAIN_CTRL_G1_MASK;
  262. data = 0x1 << HPIPE_TX_TRAIN_CTRL_G1_OFFSET;
  263. /* Enable Tx_adapt_gn1 */
  264. mask |= HPIPE_TX_TRAIN_CTRL_GN1_MASK;
  265. data |= 0x1 << HPIPE_TX_TRAIN_CTRL_GN1_OFFSET;
  266. /* Disable Tx_adapt_g0 */
  267. mask |= HPIPE_TX_TRAIN_CTRL_G0_MASK;
  268. data |= 0x0 << HPIPE_TX_TRAIN_CTRL_G0_OFFSET;
  269. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask);
  270. /* Set reg_tx_train_chk_init */
  271. mask = HPIPE_TX_TRAIN_CHK_INIT_MASK;
  272. data = 0x0 << HPIPE_TX_TRAIN_CHK_INIT_OFFSET;
  273. /* Enable TX_COE_FM_PIN_PCIE3_EN */
  274. mask |= HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_MASK;
  275. data |= 0x1 << HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_OFFSET;
  276. reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask);
  277. debug("stage: TRx training parameters\n");
  278. /* Set Preset sweep configurations */
  279. mask = HPIPE_TX_TX_STATUS_CHECK_MODE_MASK;
  280. data = 0x1 << HPIPE_TX_STATUS_CHECK_MODE_OFFSET;
  281. mask |= HPIPE_TX_NUM_OF_PRESET_MASK;
  282. data |= 0x7 << HPIPE_TX_NUM_OF_PRESET_OFFSET;
  283. mask |= HPIPE_TX_SWEEP_PRESET_EN_MASK;
  284. data |= 0x1 << HPIPE_TX_SWEEP_PRESET_EN_OFFSET;
  285. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_11_REG, data, mask);
  286. /* Tx train start configuration */
  287. mask = HPIPE_TX_TRAIN_START_SQ_EN_MASK;
  288. data = 0x1 << HPIPE_TX_TRAIN_START_SQ_EN_OFFSET;
  289. mask |= HPIPE_TX_TRAIN_START_FRM_DET_EN_MASK;
  290. data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_DET_EN_OFFSET;
  291. mask |= HPIPE_TX_TRAIN_START_FRM_LOCK_EN_MASK;
  292. data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_LOCK_EN_OFFSET;
  293. mask |= HPIPE_TX_TRAIN_WAIT_TIME_EN_MASK;
  294. data |= 0x1 << HPIPE_TX_TRAIN_WAIT_TIME_EN_OFFSET;
  295. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask);
  296. /* Enable Tx train P2P */
  297. mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK;
  298. data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET;
  299. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask);
  300. /* Configure Tx train timeout */
  301. mask = HPIPE_TRX_TRAIN_TIMER_MASK;
  302. data = 0x17 << HPIPE_TRX_TRAIN_TIMER_OFFSET;
  303. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_4_REG, data, mask);
  304. /* Disable G0/G1/GN1 adaptation */
  305. mask = HPIPE_TX_TRAIN_CTRL_G1_MASK | HPIPE_TX_TRAIN_CTRL_GN1_MASK
  306. | HPIPE_TX_TRAIN_CTRL_G0_OFFSET;
  307. data = 0;
  308. reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask);
  309. /* Disable DTL frequency loop */
  310. mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
  311. data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
  312. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
  313. /* Configure G3 DFE */
  314. mask = HPIPE_G3_DFE_RES_MASK;
  315. data = 0x3 << HPIPE_G3_DFE_RES_OFFSET;
  316. reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask);
  317. /* Force DFE resolution (use GEN table value) */
  318. mask = HPIPE_DFE_RES_FORCE_MASK;
  319. data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET;
  320. reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
  321. /* Configure initial and final coefficient value for receiver */
  322. mask = HPIPE_G3_RX_SELMUPI_MASK;
  323. data = 0x1 << HPIPE_G3_RX_SELMUPI_OFFSET;
  324. mask |= HPIPE_G3_RX_SELMUPF_MASK;
  325. data |= 0x1 << HPIPE_G3_RX_SELMUPF_OFFSET;
  326. mask |= HPIPE_G3_SETTING_BIT_MASK;
  327. data |= 0x0 << HPIPE_G3_SETTING_BIT_OFFSET;
  328. reg_set(hpipe_addr + HPIPE_G3_SETTINGS_1_REG, data, mask);
  329. /* Trigger sampler enable pulse */
  330. mask = HPIPE_SMAPLER_MASK;
  331. data = 0x1 << HPIPE_SMAPLER_OFFSET;
  332. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
  333. udelay(5);
  334. reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, 0, mask);
  335. /* FFE resistor tuning for different bandwidth */
  336. mask = HPIPE_G3_FFE_DEG_RES_LEVEL_MASK;
  337. data = 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET;
  338. mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK;
  339. data |= 0x1 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET;
  340. reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask);
  341. /* Set phy in root complex mode */
  342. mask = HPIPE_CFG_PHY_RC_EP_MASK;
  343. data = 0x1 << HPIPE_CFG_PHY_RC_EP_OFFSET;
  344. reg_set(hpipe_addr + HPIPE_LANE_EQU_CONFIG_0_REG, data, mask);
  345. debug("stage: Comphy power up\n");
  346. /*
  347. * For PCIe by4 or by2 - release from reset only after finish to
  348. * configure all lanes
  349. */
  350. if ((pcie_width == 1) || (lane == (pcie_width - 1))) {
  351. u32 i, start_lane, end_lane;
  352. if (pcie_width != 1) {
  353. /* allows writing to all lanes in one write */
  354. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  355. 0x0 <<
  356. COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET,
  357. COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK);
  358. start_lane = 0;
  359. end_lane = pcie_width;
  360. /*
  361. * Release from PIPE soft reset
  362. * for PCIe by4 or by2 - release from soft reset
  363. * all lanes - can't use read modify write
  364. */
  365. reg_set(HPIPE_ADDR(hpipe_base, 0) +
  366. HPIPE_RST_CLK_CTRL_REG, 0x24, 0xffffffff);
  367. } else {
  368. start_lane = lane;
  369. end_lane = lane + 1;
  370. /*
  371. * Release from PIPE soft reset
  372. * for PCIe by4 or by2 - release from soft reset
  373. * all lanes
  374. */
  375. reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
  376. 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
  377. HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
  378. }
  379. if (pcie_width != 1) {
  380. /* disable writing to all lanes with one write */
  381. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  382. 0x3210 <<
  383. COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET,
  384. COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK);
  385. }
  386. debug("stage: Check PLL\n");
  387. /* Read lane status */
  388. for (i = start_lane; i < end_lane; i++) {
  389. addr = HPIPE_ADDR(hpipe_base, i) +
  390. HPIPE_LANE_STATUS1_REG;
  391. data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
  392. mask = data;
  393. data = polling_with_timeout(addr, data, mask, 15000);
  394. if (data != 0) {
  395. debug("Read from reg = %p - value = 0x%x\n",
  396. hpipe_addr + HPIPE_LANE_STATUS1_REG,
  397. data);
  398. error("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
  399. ret = 0;
  400. }
  401. }
  402. }
  403. debug_exit();
  404. return ret;
  405. }
  406. static int comphy_usb3_power_up(u32 lane, void __iomem *hpipe_base,
  407. void __iomem *comphy_base)
  408. {
  409. u32 mask, data, ret = 1;
  410. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  411. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  412. void __iomem *addr;
  413. debug_enter();
  414. debug("stage: RFU configurations - hard reset comphy\n");
  415. /* RFU configurations - hard reset comphy */
  416. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  417. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  418. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  419. data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  420. mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  421. data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  422. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  423. data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  424. mask |= COMMON_PHY_PHY_MODE_MASK;
  425. data |= 0x1 << COMMON_PHY_PHY_MODE_OFFSET;
  426. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  427. /* release from hard reset */
  428. mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  429. data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  430. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  431. data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  432. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  433. /* Wait 1ms - until band gap and ref clock ready */
  434. mdelay(1);
  435. /* Start comphy Configuration */
  436. debug("stage: Comphy configuration\n");
  437. /* Set PIPE soft reset */
  438. mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
  439. data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
  440. /* Set PHY datapath width mode for V0 */
  441. mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
  442. data |= 0x0 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
  443. /* Set Data bus width USB mode for V0 */
  444. mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
  445. data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
  446. /* Set CORE_CLK output frequency for 250Mhz */
  447. mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
  448. data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
  449. reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
  450. /* Set PLL ready delay for 0x2 */
  451. reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG,
  452. 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET,
  453. HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK);
  454. /* Set reference clock to come from group 1 - 25Mhz */
  455. reg_set(hpipe_addr + HPIPE_MISC_REG,
  456. 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
  457. HPIPE_MISC_REFCLK_SEL_MASK);
  458. /* Set reference frequcency select - 0x2 */
  459. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  460. data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  461. /* Set PHY mode to USB - 0x5 */
  462. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  463. data |= 0x5 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  464. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  465. /* Set the amount of time spent in the LoZ state - set for 0x7 */
  466. reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL,
  467. 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET,
  468. HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK);
  469. /* Set max PHY generation setting - 5Gbps */
  470. reg_set(hpipe_addr + HPIPE_INTERFACE_REG,
  471. 0x1 << HPIPE_INTERFACE_GEN_MAX_OFFSET,
  472. HPIPE_INTERFACE_GEN_MAX_MASK);
  473. /* Set select data width 20Bit (SEL_BITS[2:0]) */
  474. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
  475. 0x1 << HPIPE_LOOPBACK_SEL_OFFSET,
  476. HPIPE_LOOPBACK_SEL_MASK);
  477. /* select de-emphasize 3.5db */
  478. reg_set(hpipe_addr + HPIPE_LANE_CONFIG0_REG,
  479. 0x1 << HPIPE_LANE_CONFIG0_TXDEEMPH0_OFFSET,
  480. HPIPE_LANE_CONFIG0_TXDEEMPH0_MASK);
  481. /* override tx margining from the MAC */
  482. reg_set(hpipe_addr + HPIPE_TST_MODE_CTRL_REG,
  483. 0x1 << HPIPE_TST_MODE_CTRL_MODE_MARGIN_OFFSET,
  484. HPIPE_TST_MODE_CTRL_MODE_MARGIN_MASK);
  485. /* Start analog paramters from ETP(HW) */
  486. debug("stage: Analog paramters from ETP(HW)\n");
  487. /* Set Pin DFE_PAT_DIS -> Bit[1]: PIN_DFE_PAT_DIS = 0x0 */
  488. mask = HPIPE_LANE_CFG4_DFE_CTRL_MASK;
  489. data = 0x1 << HPIPE_LANE_CFG4_DFE_CTRL_OFFSET;
  490. /* Set Override PHY DFE control pins for 0x1 */
  491. mask |= HPIPE_LANE_CFG4_DFE_OVER_MASK;
  492. data |= 0x1 << HPIPE_LANE_CFG4_DFE_OVER_OFFSET;
  493. /* Set Spread Spectrum Clock Enable fot 0x1 */
  494. mask |= HPIPE_LANE_CFG4_SSC_CTRL_MASK;
  495. data |= 0x1 << HPIPE_LANE_CFG4_SSC_CTRL_OFFSET;
  496. reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
  497. /* End of analog parameters */
  498. debug("stage: Comphy power up\n");
  499. /* Release from PIPE soft reset */
  500. reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
  501. 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
  502. HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
  503. /* wait 15ms - for comphy calibration done */
  504. debug("stage: Check PLL\n");
  505. /* Read lane status */
  506. addr = hpipe_addr + HPIPE_LANE_STATUS1_REG;
  507. data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
  508. mask = data;
  509. data = polling_with_timeout(addr, data, mask, 15000);
  510. if (data != 0) {
  511. debug("Read from reg = %p - value = 0x%x\n",
  512. hpipe_addr + HPIPE_LANE_STATUS1_REG, data);
  513. error("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
  514. ret = 0;
  515. }
  516. debug_exit();
  517. return ret;
  518. }
  519. static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base,
  520. void __iomem *comphy_base, int comphy_index)
  521. {
  522. u32 mask, data, i, ret = 1;
  523. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  524. void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
  525. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  526. void __iomem *addr;
  527. void __iomem *sata_base = NULL;
  528. int sata_node = -1; /* Set to -1 in order to read the first sata node */
  529. debug_enter();
  530. /*
  531. * Assumption - each CP has only one SATA controller
  532. * Calling fdt_node_offset_by_compatible first time (with sata_node = -1
  533. * will return the first node always.
  534. * In order to parse each CPs SATA node, fdt_node_offset_by_compatible
  535. * must be called again (according to the CP id)
  536. */
  537. for (i = 0; i < (comphy_index + 1); i++)
  538. sata_node = fdt_node_offset_by_compatible(
  539. gd->fdt_blob, sata_node, "marvell,armada-8k-ahci");
  540. if (sata_node == 0) {
  541. error("SATA node not found in FDT\n");
  542. return 0;
  543. }
  544. sata_base = (void __iomem *)fdtdec_get_addr_size_auto_noparent(
  545. gd->fdt_blob, sata_node, "reg", 0, NULL, true);
  546. if (sata_base == NULL) {
  547. error("SATA address not found in FDT\n");
  548. return 0;
  549. }
  550. debug("SATA address found in FDT %p\n", sata_base);
  551. debug("stage: MAC configuration - power down comphy\n");
  552. /*
  553. * MAC configuration powe down comphy use indirect address for
  554. * vendor spesific SATA control register
  555. */
  556. reg_set(sata_base + SATA3_VENDOR_ADDRESS,
  557. SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
  558. SATA3_VENDOR_ADDR_MASK);
  559. /* SATA 0 power down */
  560. mask = SATA3_CTRL_SATA0_PD_MASK;
  561. data = 0x1 << SATA3_CTRL_SATA0_PD_OFFSET;
  562. /* SATA 1 power down */
  563. mask |= SATA3_CTRL_SATA1_PD_MASK;
  564. data |= 0x1 << SATA3_CTRL_SATA1_PD_OFFSET;
  565. /* SATA SSU disable */
  566. mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
  567. data |= 0x0 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
  568. /* SATA port 1 disable */
  569. mask |= SATA3_CTRL_SATA_SSU_MASK;
  570. data |= 0x0 << SATA3_CTRL_SATA_SSU_OFFSET;
  571. reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
  572. debug("stage: RFU configurations - hard reset comphy\n");
  573. /* RFU configurations - hard reset comphy */
  574. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  575. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  576. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  577. data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  578. mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
  579. data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
  580. mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
  581. data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
  582. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  583. /* Set select data width 40Bit - SATA mode only */
  584. reg_set(comphy_addr + COMMON_PHY_CFG6_REG,
  585. 0x1 << COMMON_PHY_CFG6_IF_40_SEL_OFFSET,
  586. COMMON_PHY_CFG6_IF_40_SEL_MASK);
  587. /* release from hard reset in SD external */
  588. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  589. data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  590. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  591. data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  592. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  593. /* Wait 1ms - until band gap and ref clock ready */
  594. mdelay(1);
  595. debug("stage: Comphy configuration\n");
  596. /* Start comphy Configuration */
  597. /* Set reference clock to comes from group 1 - choose 25Mhz */
  598. reg_set(hpipe_addr + HPIPE_MISC_REG,
  599. 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
  600. HPIPE_MISC_REFCLK_SEL_MASK);
  601. /* Reference frequency select set 1 (for SATA = 25Mhz) */
  602. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  603. data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  604. /* PHY mode select (set SATA = 0x0 */
  605. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  606. data |= 0x0 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  607. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  608. /* Set max PHY generation setting - 6Gbps */
  609. reg_set(hpipe_addr + HPIPE_INTERFACE_REG,
  610. 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET,
  611. HPIPE_INTERFACE_GEN_MAX_MASK);
  612. /* Set select data width 40Bit (SEL_BITS[2:0]) */
  613. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
  614. 0x2 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK);
  615. debug("stage: Analog paramters from ETP(HW)\n");
  616. /*
  617. * TODO: Set analog paramters from ETP(HW) - for now use the
  618. * default datas
  619. */
  620. /* DFE reset sequence */
  621. reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
  622. 0x1 << HPIPE_PWR_CTR_RST_DFE_OFFSET,
  623. HPIPE_PWR_CTR_RST_DFE_MASK);
  624. reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
  625. 0x0 << HPIPE_PWR_CTR_RST_DFE_OFFSET,
  626. HPIPE_PWR_CTR_RST_DFE_MASK);
  627. /* SW reset for interupt logic */
  628. reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
  629. 0x1 << HPIPE_PWR_CTR_SFT_RST_OFFSET,
  630. HPIPE_PWR_CTR_SFT_RST_MASK);
  631. reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
  632. 0x0 << HPIPE_PWR_CTR_SFT_RST_OFFSET,
  633. HPIPE_PWR_CTR_SFT_RST_MASK);
  634. debug("stage: Comphy power up\n");
  635. /*
  636. * MAC configuration power up comphy - power up PLL/TX/RX
  637. * use indirect address for vendor spesific SATA control register
  638. */
  639. reg_set(sata_base + SATA3_VENDOR_ADDRESS,
  640. SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
  641. SATA3_VENDOR_ADDR_MASK);
  642. /* SATA 0 power up */
  643. mask = SATA3_CTRL_SATA0_PD_MASK;
  644. data = 0x0 << SATA3_CTRL_SATA0_PD_OFFSET;
  645. /* SATA 1 power up */
  646. mask |= SATA3_CTRL_SATA1_PD_MASK;
  647. data |= 0x0 << SATA3_CTRL_SATA1_PD_OFFSET;
  648. /* SATA SSU enable */
  649. mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
  650. data |= 0x1 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
  651. /* SATA port 1 enable */
  652. mask |= SATA3_CTRL_SATA_SSU_MASK;
  653. data |= 0x1 << SATA3_CTRL_SATA_SSU_OFFSET;
  654. reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
  655. /* MBUS request size and interface select register */
  656. reg_set(sata_base + SATA3_VENDOR_ADDRESS,
  657. SATA_MBUS_SIZE_SELECT_REG << SATA3_VENDOR_ADDR_OFSSET,
  658. SATA3_VENDOR_ADDR_MASK);
  659. /* Mbus regret enable */
  660. reg_set(sata_base + SATA3_VENDOR_DATA,
  661. 0x1 << SATA_MBUS_REGRET_EN_OFFSET, SATA_MBUS_REGRET_EN_MASK);
  662. debug("stage: Check PLL\n");
  663. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  664. data = SD_EXTERNAL_STATUS0_PLL_TX_MASK &
  665. SD_EXTERNAL_STATUS0_PLL_RX_MASK;
  666. mask = data;
  667. data = polling_with_timeout(addr, data, mask, 15000);
  668. if (data != 0) {
  669. debug("Read from reg = %p - value = 0x%x\n",
  670. hpipe_addr + HPIPE_LANE_STATUS1_REG, data);
  671. error("SD_EXTERNAL_STATUS0_PLL_TX is %d, SD_EXTERNAL_STATUS0_PLL_RX is %d\n",
  672. (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK),
  673. (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK));
  674. ret = 0;
  675. }
  676. debug_exit();
  677. return ret;
  678. }
  679. static int comphy_sgmii_power_up(u32 lane, u32 sgmii_speed,
  680. void __iomem *hpipe_base,
  681. void __iomem *comphy_base)
  682. {
  683. u32 mask, data, ret = 1;
  684. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  685. void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
  686. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  687. void __iomem *addr;
  688. debug_enter();
  689. debug("stage: RFU configurations - hard reset comphy\n");
  690. /* RFU configurations - hard reset comphy */
  691. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  692. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  693. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  694. data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  695. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  696. /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
  697. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  698. data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  699. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
  700. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
  701. if (sgmii_speed == PHY_SPEED_1_25G) {
  702. data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
  703. data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
  704. } else {
  705. /* 3.125G */
  706. data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
  707. data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
  708. }
  709. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  710. data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  711. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  712. data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  713. mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
  714. data |= 1 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
  715. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  716. /* release from hard reset */
  717. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  718. data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  719. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  720. data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  721. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  722. data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  723. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  724. /* release from hard reset */
  725. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  726. data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  727. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  728. data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  729. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  730. /* Wait 1ms - until band gap and ref clock ready */
  731. mdelay(1);
  732. /* Start comphy Configuration */
  733. debug("stage: Comphy configuration\n");
  734. /* set reference clock */
  735. mask = HPIPE_MISC_REFCLK_SEL_MASK;
  736. data = 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
  737. reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
  738. /* Power and PLL Control */
  739. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  740. data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  741. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  742. data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  743. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  744. /* Loopback register */
  745. mask = HPIPE_LOOPBACK_SEL_MASK;
  746. data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET;
  747. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask);
  748. /* rx control 1 */
  749. mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
  750. data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
  751. mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
  752. data |= 0x0 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
  753. reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
  754. /* DTL Control */
  755. mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
  756. data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
  757. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
  758. /* Set analog paramters from ETP(HW) - for now use the default datas */
  759. debug("stage: Analog paramters from ETP(HW)\n");
  760. reg_set(hpipe_addr + HPIPE_G1_SET_0_REG,
  761. 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET,
  762. HPIPE_G1_SET_0_G1_TX_EMPH1_MASK);
  763. debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
  764. /* SERDES External Configuration */
  765. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  766. data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  767. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  768. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  769. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  770. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  771. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  772. /* check PLL rx & tx ready */
  773. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  774. data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
  775. SD_EXTERNAL_STATUS0_PLL_TX_MASK;
  776. mask = data;
  777. data = polling_with_timeout(addr, data, mask, 15000);
  778. if (data != 0) {
  779. debug("Read from reg = %p - value = 0x%x\n",
  780. sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  781. error("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
  782. (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
  783. (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
  784. ret = 0;
  785. }
  786. /* RX init */
  787. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  788. data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  789. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  790. /* check that RX init done */
  791. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  792. data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
  793. mask = data;
  794. data = polling_with_timeout(addr, data, mask, 100);
  795. if (data != 0) {
  796. debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  797. error("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
  798. ret = 0;
  799. }
  800. debug("stage: RF Reset\n");
  801. /* RF Reset */
  802. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  803. data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  804. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  805. data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  806. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  807. debug_exit();
  808. return ret;
  809. }
  810. static int comphy_kr_power_up(u32 lane, void __iomem *hpipe_base,
  811. void __iomem *comphy_base)
  812. {
  813. u32 mask, data, ret = 1;
  814. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  815. void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
  816. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  817. void __iomem *addr;
  818. debug_enter();
  819. debug("stage: RFU configurations - hard reset comphy\n");
  820. /* RFU configurations - hard reset comphy */
  821. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  822. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  823. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  824. data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  825. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  826. /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
  827. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  828. data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  829. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
  830. data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
  831. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
  832. data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
  833. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  834. data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  835. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  836. data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  837. mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
  838. data |= 0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
  839. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  840. /* release from hard reset */
  841. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  842. data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  843. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  844. data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  845. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  846. data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  847. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  848. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  849. data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  850. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  851. data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  852. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  853. /* Wait 1ms - until band gap and ref clock ready */
  854. mdelay(1);
  855. /* Start comphy Configuration */
  856. debug("stage: Comphy configuration\n");
  857. /* set reference clock */
  858. mask = HPIPE_MISC_ICP_FORCE_MASK;
  859. data = 0x1 << HPIPE_MISC_ICP_FORCE_OFFSET;
  860. mask |= HPIPE_MISC_REFCLK_SEL_MASK;
  861. data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
  862. reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
  863. /* Power and PLL Control */
  864. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  865. data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  866. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  867. data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  868. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  869. /* Loopback register */
  870. mask = HPIPE_LOOPBACK_SEL_MASK;
  871. data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET;
  872. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask);
  873. /* rx control 1 */
  874. mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
  875. data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
  876. mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
  877. data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
  878. reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
  879. /* DTL Control */
  880. mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
  881. data = 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
  882. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
  883. /* Set analog paramters from ETP(HW) */
  884. debug("stage: Analog paramters from ETP(HW)\n");
  885. /* SERDES External Configuration 2 */
  886. mask = SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK;
  887. data = 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET;
  888. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask);
  889. /* 0x7-DFE Resolution control */
  890. mask = HPIPE_DFE_RES_FORCE_MASK;
  891. data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET;
  892. reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
  893. /* 0xd-G1_Setting_0 */
  894. mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK;
  895. data = 0x1c << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET;
  896. mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
  897. data |= 0xe << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
  898. reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask);
  899. /* Genration 1 setting 2 (G1_Setting_2) */
  900. mask = HPIPE_G1_SET_2_G1_TX_EMPH0_MASK;
  901. data = 0x0 << HPIPE_G1_SET_2_G1_TX_EMPH0_OFFSET;
  902. mask |= HPIPE_G1_SET_2_G1_TX_EMPH0_EN_MASK;
  903. data |= 0x1 << HPIPE_G1_SET_2_G1_TX_EMPH0_EN_OFFSET;
  904. reg_set(hpipe_addr + HPIPE_G1_SET_2_REG, data, mask);
  905. /* Transmitter Slew Rate Control register (tx_reg1) */
  906. mask = HPIPE_TX_REG1_TX_EMPH_RES_MASK;
  907. data = 0x3 << HPIPE_TX_REG1_TX_EMPH_RES_OFFSET;
  908. mask |= HPIPE_TX_REG1_SLC_EN_MASK;
  909. data |= 0x3f << HPIPE_TX_REG1_SLC_EN_OFFSET;
  910. reg_set(hpipe_addr + HPIPE_TX_REG1_REG, data, mask);
  911. /* Impedance Calibration Control register (cal_reg1) */
  912. mask = HPIPE_CAL_REG_1_EXT_TXIMP_MASK;
  913. data = 0xe << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET;
  914. mask |= HPIPE_CAL_REG_1_EXT_TXIMP_EN_MASK;
  915. data |= 0x1 << HPIPE_CAL_REG_1_EXT_TXIMP_EN_OFFSET;
  916. reg_set(hpipe_addr + HPIPE_CAL_REG1_REG, data, mask);
  917. /* Generation 1 Setting 5 (g1_setting_5) */
  918. mask = HPIPE_G1_SETTING_5_G1_ICP_MASK;
  919. data = 0 << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET;
  920. reg_set(hpipe_addr + HPIPE_G1_SETTING_5_REG, data, mask);
  921. /* 0xE-G1_Setting_1 */
  922. mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
  923. data = 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
  924. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
  925. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
  926. mask |= HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK;
  927. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET;
  928. reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
  929. /* 0xA-DFE_Reg3 */
  930. mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
  931. data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
  932. mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
  933. data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
  934. reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
  935. /* 0x111-G1_Setting_4 */
  936. mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK;
  937. data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
  938. reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
  939. /* Genration 1 setting 3 (G1_Setting_3) */
  940. mask = HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_MASK;
  941. data = 0x1 << HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_OFFSET;
  942. reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask);
  943. debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
  944. /* SERDES External Configuration */
  945. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  946. data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  947. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  948. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  949. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  950. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  951. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  952. /* check PLL rx & tx ready */
  953. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  954. data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
  955. SD_EXTERNAL_STATUS0_PLL_TX_MASK;
  956. mask = data;
  957. data = polling_with_timeout(addr, data, mask, 15000);
  958. if (data != 0) {
  959. debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  960. error("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
  961. (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
  962. (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
  963. ret = 0;
  964. }
  965. /* RX init */
  966. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  967. data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  968. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  969. /* check that RX init done */
  970. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  971. data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
  972. mask = data;
  973. data = polling_with_timeout(addr, data, mask, 100);
  974. if (data != 0) {
  975. debug("Read from reg = %p - value = 0x%x\n",
  976. sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  977. error("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
  978. ret = 0;
  979. }
  980. debug("stage: RF Reset\n");
  981. /* RF Reset */
  982. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  983. data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  984. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  985. data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  986. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  987. debug_exit();
  988. return ret;
  989. }
  990. static int comphy_rxauii_power_up(u32 lane, void __iomem *hpipe_base,
  991. void __iomem *comphy_base)
  992. {
  993. u32 mask, data, ret = 1;
  994. void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
  995. void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
  996. void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
  997. void __iomem *addr;
  998. debug_enter();
  999. debug("stage: RFU configurations - hard reset comphy\n");
  1000. /* RFU configurations - hard reset comphy */
  1001. mask = COMMON_PHY_CFG1_PWR_UP_MASK;
  1002. data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
  1003. mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
  1004. data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
  1005. reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
  1006. if (lane == 2) {
  1007. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  1008. 0x1 << COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET,
  1009. COMMON_PHY_SD_CTRL1_RXAUI0_MASK);
  1010. }
  1011. if (lane == 4) {
  1012. reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
  1013. 0x1 << COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET,
  1014. COMMON_PHY_SD_CTRL1_RXAUI1_MASK);
  1015. }
  1016. /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
  1017. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  1018. data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  1019. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
  1020. data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
  1021. mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
  1022. data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
  1023. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  1024. data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  1025. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  1026. data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  1027. mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
  1028. data |= 0x0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
  1029. mask |= SD_EXTERNAL_CONFIG0_MEDIA_MODE_MASK;
  1030. data |= 0x1 << SD_EXTERNAL_CONFIG0_MEDIA_MODE_OFFSET;
  1031. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  1032. /* release from hard reset */
  1033. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  1034. data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  1035. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  1036. data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  1037. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  1038. data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  1039. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1040. mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
  1041. data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
  1042. mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
  1043. data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
  1044. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1045. /* Wait 1ms - until band gap and ref clock ready */
  1046. mdelay(1);
  1047. /* Start comphy Configuration */
  1048. debug("stage: Comphy configuration\n");
  1049. /* set reference clock */
  1050. reg_set(hpipe_addr + HPIPE_MISC_REG,
  1051. 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
  1052. HPIPE_MISC_REFCLK_SEL_MASK);
  1053. /* Power and PLL Control */
  1054. mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
  1055. data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
  1056. mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
  1057. data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
  1058. reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
  1059. /* Loopback register */
  1060. reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
  1061. 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK);
  1062. /* rx control 1 */
  1063. mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
  1064. data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
  1065. mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
  1066. data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
  1067. reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
  1068. /* DTL Control */
  1069. reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG,
  1070. 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET,
  1071. HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK);
  1072. /* Set analog paramters from ETP(HW) */
  1073. debug("stage: Analog paramters from ETP(HW)\n");
  1074. /* SERDES External Configuration 2 */
  1075. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG,
  1076. 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET,
  1077. SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK);
  1078. /* 0x7-DFE Resolution control */
  1079. reg_set(hpipe_addr + HPIPE_DFE_REG0, 0x1 << HPIPE_DFE_RES_FORCE_OFFSET,
  1080. HPIPE_DFE_RES_FORCE_MASK);
  1081. /* 0xd-G1_Setting_0 */
  1082. reg_set(hpipe_addr + HPIPE_G1_SET_0_REG,
  1083. 0xd << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET,
  1084. HPIPE_G1_SET_0_G1_TX_EMPH1_MASK);
  1085. /* 0xE-G1_Setting_1 */
  1086. mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
  1087. data = 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
  1088. mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
  1089. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
  1090. mask |= HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK;
  1091. data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET;
  1092. reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
  1093. /* 0xA-DFE_Reg3 */
  1094. mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
  1095. data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
  1096. mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
  1097. data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
  1098. reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
  1099. /* 0x111-G1_Setting_4 */
  1100. mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK;
  1101. data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
  1102. reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
  1103. debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
  1104. /* SERDES External Configuration */
  1105. mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
  1106. data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
  1107. mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
  1108. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
  1109. mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
  1110. data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
  1111. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
  1112. /* check PLL rx & tx ready */
  1113. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  1114. data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
  1115. SD_EXTERNAL_STATUS0_PLL_TX_MASK;
  1116. mask = data;
  1117. data = polling_with_timeout(addr, data, mask, 15000);
  1118. if (data != 0) {
  1119. debug("Read from reg = %p - value = 0x%x\n",
  1120. sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  1121. error("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
  1122. (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
  1123. (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
  1124. ret = 0;
  1125. }
  1126. /* RX init */
  1127. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG,
  1128. 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET,
  1129. SD_EXTERNAL_CONFIG1_RX_INIT_MASK);
  1130. /* check that RX init done */
  1131. addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
  1132. data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
  1133. mask = data;
  1134. data = polling_with_timeout(addr, data, mask, 100);
  1135. if (data != 0) {
  1136. debug("Read from reg = %p - value = 0x%x\n",
  1137. sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
  1138. error("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
  1139. ret = 0;
  1140. }
  1141. debug("stage: RF Reset\n");
  1142. /* RF Reset */
  1143. mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
  1144. data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
  1145. mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
  1146. data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
  1147. reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
  1148. debug_exit();
  1149. return ret;
  1150. }
  1151. static void comphy_utmi_power_down(u32 utmi_index, void __iomem *utmi_base_addr,
  1152. void __iomem *usb_cfg_addr,
  1153. void __iomem *utmi_cfg_addr,
  1154. u32 utmi_phy_port)
  1155. {
  1156. u32 mask, data;
  1157. debug_enter();
  1158. debug("stage: UTMI %d - Power down transceiver (power down Phy), Power down PLL, and SuspendDM\n",
  1159. utmi_index);
  1160. /* Power down UTMI PHY */
  1161. reg_set(utmi_cfg_addr, 0x0 << UTMI_PHY_CFG_PU_OFFSET,
  1162. UTMI_PHY_CFG_PU_MASK);
  1163. /*
  1164. * If UTMI connected to USB Device, configure mux prior to PHY init
  1165. * (Device can be connected to UTMI0 or to UTMI1)
  1166. */
  1167. if (utmi_phy_port == UTMI_PHY_TO_USB_DEVICE0) {
  1168. debug("stage: UTMI %d - Enable Device mode and configure UTMI mux\n",
  1169. utmi_index);
  1170. /* USB3 Device UTMI enable */
  1171. mask = UTMI_USB_CFG_DEVICE_EN_MASK;
  1172. data = 0x1 << UTMI_USB_CFG_DEVICE_EN_OFFSET;
  1173. /* USB3 Device UTMI MUX */
  1174. mask |= UTMI_USB_CFG_DEVICE_MUX_MASK;
  1175. data |= utmi_index << UTMI_USB_CFG_DEVICE_MUX_OFFSET;
  1176. reg_set(usb_cfg_addr, data, mask);
  1177. }
  1178. /* Set Test suspendm mode */
  1179. mask = UTMI_CTRL_STATUS0_SUSPENDM_MASK;
  1180. data = 0x1 << UTMI_CTRL_STATUS0_SUSPENDM_OFFSET;
  1181. /* Enable Test UTMI select */
  1182. mask |= UTMI_CTRL_STATUS0_TEST_SEL_MASK;
  1183. data |= 0x1 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET;
  1184. reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, data, mask);
  1185. /* Wait for UTMI power down */
  1186. mdelay(1);
  1187. debug_exit();
  1188. return;
  1189. }
  1190. static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_base_addr,
  1191. void __iomem *usb_cfg_addr,
  1192. void __iomem *utmi_cfg_addr,
  1193. u32 utmi_phy_port)
  1194. {
  1195. u32 mask, data;
  1196. debug_exit();
  1197. debug("stage: Configure UTMI PHY %d registers\n", utmi_index);
  1198. /* Reference Clock Divider Select */
  1199. mask = UTMI_PLL_CTRL_REFDIV_MASK;
  1200. data = 0x5 << UTMI_PLL_CTRL_REFDIV_OFFSET;
  1201. /* Feedback Clock Divider Select - 90 for 25Mhz*/
  1202. mask |= UTMI_PLL_CTRL_FBDIV_MASK;
  1203. data |= 0x60 << UTMI_PLL_CTRL_FBDIV_OFFSET;
  1204. /* Select LPFR - 0x0 for 25Mhz/5=5Mhz*/
  1205. mask |= UTMI_PLL_CTRL_SEL_LPFR_MASK;
  1206. data |= 0x0 << UTMI_PLL_CTRL_SEL_LPFR_OFFSET;
  1207. reg_set(utmi_base_addr + UTMI_PLL_CTRL_REG, data, mask);
  1208. /* Impedance Calibration Threshold Setting */
  1209. reg_set(utmi_base_addr + UTMI_CALIB_CTRL_REG,
  1210. 0x6 << UTMI_CALIB_CTRL_IMPCAL_VTH_OFFSET,
  1211. UTMI_CALIB_CTRL_IMPCAL_VTH_MASK);
  1212. /* Set LS TX driver strength coarse control */
  1213. mask = UTMI_TX_CH_CTRL_DRV_EN_LS_MASK;
  1214. data = 0x3 << UTMI_TX_CH_CTRL_DRV_EN_LS_OFFSET;
  1215. /* Set LS TX driver fine adjustment */
  1216. mask |= UTMI_TX_CH_CTRL_IMP_SEL_LS_MASK;
  1217. data |= 0x3 << UTMI_TX_CH_CTRL_IMP_SEL_LS_OFFSET;
  1218. reg_set(utmi_base_addr + UTMI_TX_CH_CTRL_REG, data, mask);
  1219. /* Enable SQ */
  1220. mask = UTMI_RX_CH_CTRL0_SQ_DET_MASK;
  1221. data = 0x0 << UTMI_RX_CH_CTRL0_SQ_DET_OFFSET;
  1222. /* Enable analog squelch detect */
  1223. mask |= UTMI_RX_CH_CTRL0_SQ_ANA_DTC_MASK;
  1224. data |= 0x1 << UTMI_RX_CH_CTRL0_SQ_ANA_DTC_OFFSET;
  1225. reg_set(utmi_base_addr + UTMI_RX_CH_CTRL0_REG, data, mask);
  1226. /* Set External squelch calibration number */
  1227. mask = UTMI_RX_CH_CTRL1_SQ_AMP_CAL_MASK;
  1228. data = 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET;
  1229. /* Enable the External squelch calibration */
  1230. mask |= UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_MASK;
  1231. data |= 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_OFFSET;
  1232. reg_set(utmi_base_addr + UTMI_RX_CH_CTRL1_REG, data, mask);
  1233. /* Set Control VDAT Reference Voltage - 0.325V */
  1234. mask = UTMI_CHGDTC_CTRL_VDAT_MASK;
  1235. data = 0x1 << UTMI_CHGDTC_CTRL_VDAT_OFFSET;
  1236. /* Set Control VSRC Reference Voltage - 0.6V */
  1237. mask |= UTMI_CHGDTC_CTRL_VSRC_MASK;
  1238. data |= 0x1 << UTMI_CHGDTC_CTRL_VSRC_OFFSET;
  1239. reg_set(utmi_base_addr + UTMI_CHGDTC_CTRL_REG, data, mask);
  1240. debug_exit();
  1241. return;
  1242. }
  1243. static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_base_addr,
  1244. void __iomem *usb_cfg_addr,
  1245. void __iomem *utmi_cfg_addr, u32 utmi_phy_port)
  1246. {
  1247. u32 data, mask, ret = 1;
  1248. void __iomem *addr;
  1249. debug_enter();
  1250. debug("stage: UTMI %d - Power up transceiver(Power up Phy), and exit SuspendDM\n",
  1251. utmi_index);
  1252. /* Power UP UTMI PHY */
  1253. reg_set(utmi_cfg_addr, 0x1 << UTMI_PHY_CFG_PU_OFFSET,
  1254. UTMI_PHY_CFG_PU_MASK);
  1255. /* Disable Test UTMI select */
  1256. reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG,
  1257. 0x0 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET,
  1258. UTMI_CTRL_STATUS0_TEST_SEL_MASK);
  1259. debug("stage: Polling for PLL and impedance calibration done, and PLL ready done\n");
  1260. addr = utmi_base_addr + UTMI_CALIB_CTRL_REG;
  1261. data = UTMI_CALIB_CTRL_IMPCAL_DONE_MASK;
  1262. mask = data;
  1263. data = polling_with_timeout(addr, data, mask, 100);
  1264. if (data != 0) {
  1265. error("Impedance calibration is not done\n");
  1266. debug("Read from reg = %p - value = 0x%x\n", addr, data);
  1267. ret = 0;
  1268. }
  1269. data = UTMI_CALIB_CTRL_PLLCAL_DONE_MASK;
  1270. mask = data;
  1271. data = polling_with_timeout(addr, data, mask, 100);
  1272. if (data != 0) {
  1273. error("PLL calibration is not done\n");
  1274. debug("Read from reg = %p - value = 0x%x\n", addr, data);
  1275. ret = 0;
  1276. }
  1277. addr = utmi_base_addr + UTMI_PLL_CTRL_REG;
  1278. data = UTMI_PLL_CTRL_PLL_RDY_MASK;
  1279. mask = data;
  1280. data = polling_with_timeout(addr, data, mask, 100);
  1281. if (data != 0) {
  1282. error("PLL is not ready\n");
  1283. debug("Read from reg = %p - value = 0x%x\n", addr, data);
  1284. ret = 0;
  1285. }
  1286. if (ret)
  1287. debug("Passed\n");
  1288. else
  1289. debug("\n");
  1290. debug_exit();
  1291. return ret;
  1292. }
  1293. /*
  1294. * comphy_utmi_phy_init initialize the UTMI PHY
  1295. * the init split in 3 parts:
  1296. * 1. Power down transceiver and PLL
  1297. * 2. UTMI PHY configure
  1298. * 3. Powe up transceiver and PLL
  1299. * Note: - Power down/up should be once for both UTMI PHYs
  1300. * - comphy_dedicated_phys_init call this function if at least there is
  1301. * one UTMI PHY exists in FDT blob. access to cp110_utmi_data[0] is
  1302. * legal
  1303. */
  1304. static void comphy_utmi_phy_init(u32 utmi_phy_count,
  1305. struct utmi_phy_data *cp110_utmi_data)
  1306. {
  1307. u32 i;
  1308. debug_enter();
  1309. /* UTMI Power down */
  1310. for (i = 0; i < utmi_phy_count; i++) {
  1311. comphy_utmi_power_down(i, cp110_utmi_data[i].utmi_base_addr,
  1312. cp110_utmi_data[i].usb_cfg_addr,
  1313. cp110_utmi_data[i].utmi_cfg_addr,
  1314. cp110_utmi_data[i].utmi_phy_port);
  1315. }
  1316. /* PLL Power down */
  1317. debug("stage: UTMI PHY power down PLL\n");
  1318. for (i = 0; i < utmi_phy_count; i++) {
  1319. reg_set(cp110_utmi_data[i].usb_cfg_addr,
  1320. 0x0 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
  1321. }
  1322. /* UTMI configure */
  1323. for (i = 0; i < utmi_phy_count; i++) {
  1324. comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_base_addr,
  1325. cp110_utmi_data[i].usb_cfg_addr,
  1326. cp110_utmi_data[i].utmi_cfg_addr,
  1327. cp110_utmi_data[i].utmi_phy_port);
  1328. }
  1329. /* UTMI Power up */
  1330. for (i = 0; i < utmi_phy_count; i++) {
  1331. if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_base_addr,
  1332. cp110_utmi_data[i].usb_cfg_addr,
  1333. cp110_utmi_data[i].utmi_cfg_addr,
  1334. cp110_utmi_data[i].utmi_phy_port)) {
  1335. error("Failed to initialize UTMI PHY %d\n", i);
  1336. continue;
  1337. }
  1338. printf("UTMI PHY %d initialized to ", i);
  1339. if (cp110_utmi_data[i].utmi_phy_port == UTMI_PHY_TO_USB_DEVICE0)
  1340. printf("USB Device\n");
  1341. else
  1342. printf("USB Host%d\n",
  1343. cp110_utmi_data[i].utmi_phy_port);
  1344. }
  1345. /* PLL Power up */
  1346. debug("stage: UTMI PHY power up PLL\n");
  1347. for (i = 0; i < utmi_phy_count; i++) {
  1348. reg_set(cp110_utmi_data[i].usb_cfg_addr,
  1349. 0x1 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
  1350. }
  1351. debug_exit();
  1352. return;
  1353. }
  1354. /*
  1355. * comphy_dedicated_phys_init initialize the dedicated PHYs
  1356. * - not muxed SerDes lanes e.g. UTMI PHY
  1357. */
  1358. void comphy_dedicated_phys_init(void)
  1359. {
  1360. struct utmi_phy_data cp110_utmi_data[MAX_UTMI_PHY_COUNT];
  1361. int node;
  1362. int i;
  1363. debug_enter();
  1364. debug("Initialize USB UTMI PHYs\n");
  1365. /* Find the UTMI phy node in device tree and go over them */
  1366. node = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
  1367. "marvell,mvebu-utmi-2.6.0");
  1368. i = 0;
  1369. while (node > 0) {
  1370. /* get base address of UTMI phy */
  1371. cp110_utmi_data[i].utmi_base_addr =
  1372. (void __iomem *)fdtdec_get_addr_size_auto_noparent(
  1373. gd->fdt_blob, node, "reg", 0, NULL, true);
  1374. if (cp110_utmi_data[i].utmi_base_addr == NULL) {
  1375. error("UTMI PHY base address is invalid\n");
  1376. i++;
  1377. continue;
  1378. }
  1379. /* get usb config address */
  1380. cp110_utmi_data[i].usb_cfg_addr =
  1381. (void __iomem *)fdtdec_get_addr_size_auto_noparent(
  1382. gd->fdt_blob, node, "reg", 1, NULL, true);
  1383. if (cp110_utmi_data[i].usb_cfg_addr == NULL) {
  1384. error("UTMI PHY base address is invalid\n");
  1385. i++;
  1386. continue;
  1387. }
  1388. /* get UTMI config address */
  1389. cp110_utmi_data[i].utmi_cfg_addr =
  1390. (void __iomem *)fdtdec_get_addr_size_auto_noparent(
  1391. gd->fdt_blob, node, "reg", 2, NULL, true);
  1392. if (cp110_utmi_data[i].utmi_cfg_addr == NULL) {
  1393. error("UTMI PHY base address is invalid\n");
  1394. i++;
  1395. continue;
  1396. }
  1397. /*
  1398. * get the port number (to check if the utmi connected to
  1399. * host/device)
  1400. */
  1401. cp110_utmi_data[i].utmi_phy_port = fdtdec_get_int(
  1402. gd->fdt_blob, node, "utmi-port", UTMI_PHY_INVALID);
  1403. if (cp110_utmi_data[i].utmi_phy_port == UTMI_PHY_INVALID) {
  1404. error("UTMI PHY port type is invalid\n");
  1405. i++;
  1406. continue;
  1407. }
  1408. node = fdt_node_offset_by_compatible(
  1409. gd->fdt_blob, node, "marvell,mvebu-utmi-2.6.0");
  1410. i++;
  1411. }
  1412. if (i > 0)
  1413. comphy_utmi_phy_init(i, cp110_utmi_data);
  1414. debug_exit();
  1415. }
  1416. static void comphy_mux_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
  1417. struct comphy_map *serdes_map)
  1418. {
  1419. void __iomem *comphy_base_addr;
  1420. struct comphy_map comphy_map_pipe_data[MAX_LANE_OPTIONS];
  1421. struct comphy_map comphy_map_phy_data[MAX_LANE_OPTIONS];
  1422. u32 lane, comphy_max_count;
  1423. comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
  1424. comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
  1425. /*
  1426. * Copy the SerDes map configuration for PIPE map and PHY map
  1427. * the comphy_mux_init modify the type of the lane if the type
  1428. * is not valid because we have 2 selectores run the
  1429. * comphy_mux_init twice and after that update the original
  1430. * serdes_map
  1431. */
  1432. for (lane = 0; lane < comphy_max_count; lane++) {
  1433. comphy_map_pipe_data[lane].type = serdes_map[lane].type;
  1434. comphy_map_pipe_data[lane].speed = serdes_map[lane].speed;
  1435. comphy_map_phy_data[lane].type = serdes_map[lane].type;
  1436. comphy_map_phy_data[lane].speed = serdes_map[lane].speed;
  1437. }
  1438. ptr_chip_cfg->mux_data = cp110_comphy_phy_mux_data;
  1439. comphy_mux_init(ptr_chip_cfg, comphy_map_phy_data,
  1440. comphy_base_addr + COMMON_SELECTOR_PHY_OFFSET);
  1441. ptr_chip_cfg->mux_data = cp110_comphy_pipe_mux_data;
  1442. comphy_mux_init(ptr_chip_cfg, comphy_map_pipe_data,
  1443. comphy_base_addr + COMMON_SELECTOR_PIPE_OFFSET);
  1444. /* Fix the type after check the PHY and PIPE configuration */
  1445. for (lane = 0; lane < comphy_max_count; lane++) {
  1446. if ((comphy_map_pipe_data[lane].type == PHY_TYPE_UNCONNECTED) &&
  1447. (comphy_map_phy_data[lane].type == PHY_TYPE_UNCONNECTED))
  1448. serdes_map[lane].type = PHY_TYPE_UNCONNECTED;
  1449. }
  1450. }
  1451. int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
  1452. struct comphy_map *serdes_map)
  1453. {
  1454. struct comphy_map *ptr_comphy_map;
  1455. void __iomem *comphy_base_addr, *hpipe_base_addr;
  1456. u32 comphy_max_count, lane, ret = 0;
  1457. u32 pcie_width = 0;
  1458. debug_enter();
  1459. comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
  1460. comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
  1461. hpipe_base_addr = ptr_chip_cfg->hpipe3_base_addr;
  1462. /* Config Comphy mux configuration */
  1463. comphy_mux_cp110_init(ptr_chip_cfg, serdes_map);
  1464. /* Check if the first 4 lanes configured as By-4 */
  1465. for (lane = 0, ptr_comphy_map = serdes_map; lane < 4;
  1466. lane++, ptr_comphy_map++) {
  1467. if (ptr_comphy_map->type != PHY_TYPE_PEX0)
  1468. break;
  1469. pcie_width++;
  1470. }
  1471. for (lane = 0, ptr_comphy_map = serdes_map; lane < comphy_max_count;
  1472. lane++, ptr_comphy_map++) {
  1473. debug("Initialize serdes number %d\n", lane);
  1474. debug("Serdes type = 0x%x\n", ptr_comphy_map->type);
  1475. if (lane == 4) {
  1476. /*
  1477. * PCIe lanes above the first 4 lanes, can be only
  1478. * by1
  1479. */
  1480. pcie_width = 1;
  1481. }
  1482. switch (ptr_comphy_map->type) {
  1483. case PHY_TYPE_UNCONNECTED:
  1484. continue;
  1485. break;
  1486. case PHY_TYPE_PEX0:
  1487. case PHY_TYPE_PEX1:
  1488. case PHY_TYPE_PEX2:
  1489. case PHY_TYPE_PEX3:
  1490. ret = comphy_pcie_power_up(
  1491. lane, pcie_width, ptr_comphy_map->clk_src,
  1492. hpipe_base_addr, comphy_base_addr);
  1493. break;
  1494. case PHY_TYPE_SATA0:
  1495. case PHY_TYPE_SATA1:
  1496. case PHY_TYPE_SATA2:
  1497. case PHY_TYPE_SATA3:
  1498. ret = comphy_sata_power_up(
  1499. lane, hpipe_base_addr, comphy_base_addr,
  1500. ptr_chip_cfg->comphy_index);
  1501. break;
  1502. case PHY_TYPE_USB3_HOST0:
  1503. case PHY_TYPE_USB3_HOST1:
  1504. case PHY_TYPE_USB3_DEVICE:
  1505. ret = comphy_usb3_power_up(lane, hpipe_base_addr,
  1506. comphy_base_addr);
  1507. break;
  1508. case PHY_TYPE_SGMII0:
  1509. case PHY_TYPE_SGMII1:
  1510. case PHY_TYPE_SGMII2:
  1511. case PHY_TYPE_SGMII3:
  1512. if (ptr_comphy_map->speed == PHY_SPEED_INVALID) {
  1513. debug("Warning: SGMII PHY speed in lane %d is invalid, set PHY speed to 1.25G\n",
  1514. lane);
  1515. ptr_comphy_map->speed = PHY_SPEED_1_25G;
  1516. }
  1517. ret = comphy_sgmii_power_up(
  1518. lane, ptr_comphy_map->speed, hpipe_base_addr,
  1519. comphy_base_addr);
  1520. break;
  1521. case PHY_TYPE_KR:
  1522. ret = comphy_kr_power_up(lane, hpipe_base_addr,
  1523. comphy_base_addr);
  1524. break;
  1525. case PHY_TYPE_RXAUI0:
  1526. case PHY_TYPE_RXAUI1:
  1527. ret = comphy_rxauii_power_up(lane, hpipe_base_addr,
  1528. comphy_base_addr);
  1529. break;
  1530. default:
  1531. debug("Unknown SerDes type, skip initialize SerDes %d\n",
  1532. lane);
  1533. break;
  1534. }
  1535. if (ret == 0) {
  1536. /*
  1537. * If interface wans't initialiuzed, set the lane to
  1538. * PHY_TYPE_UNCONNECTED state.
  1539. */
  1540. ptr_comphy_map->type = PHY_TYPE_UNCONNECTED;
  1541. error("PLL is not locked - Failed to initialize lane %d\n",
  1542. lane);
  1543. }
  1544. }
  1545. debug_exit();
  1546. return 0;
  1547. }