blob: 15e80049def6c88074206052e9a79daf6a0111c4 [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Stefan Roese648391c2016-08-30 16:48:20 +02002/*
3 * Copyright (C) 2015-2016 Marvell International Ltd.
Stefan Roese648391c2016-08-30 16:48:20 +02004 */
5
6#include <common.h>
7#include <fdtdec.h>
Simon Glass0f2af882020-05-10 11:40:05 -06008#include <log.h>
Stefan Roese648391c2016-08-30 16:48:20 +02009#include <asm/io.h>
10#include <asm/arch/cpu.h>
11#include <asm/arch/soc.h>
Simon Glassdbd79542020-05-10 11:40:11 -060012#include <linux/delay.h>
Stefan Roese648391c2016-08-30 16:48:20 +020013
Marek BehĂșn19ce44c2018-08-17 12:58:51 +020014#include "comphy_core.h"
Stefan Roese648391c2016-08-30 16:48:20 +020015#include "comphy_hpipe.h"
16#include "sata.h"
17#include "utmi_phy.h"
18
19DECLARE_GLOBAL_DATA_PTR;
20
21#define SD_ADDR(base, lane) (base + 0x1000 * lane)
22#define HPIPE_ADDR(base, lane) (SD_ADDR(base, lane) + 0x800)
23#define COMPHY_ADDR(base, lane) (base + 0x28 * lane)
24
25struct utmi_phy_data {
26 void __iomem *utmi_base_addr;
27 void __iomem *usb_cfg_addr;
28 void __iomem *utmi_cfg_addr;
29 u32 utmi_phy_port;
30};
31
32/*
33 * For CP-110 we have 2 Selector registers "PHY Selectors",
34 * and "PIPE Selectors".
35 * PIPE selector include USB and PCIe options.
36 * PHY selector include the Ethernet and SATA options, every Ethernet
37 * option has different options, for example: serdes lane2 had option
Stefan Roeseb8b7c672017-04-24 18:45:29 +030038 * Eth_port_0 that include (SGMII0, RXAUI0, SFI)
Stefan Roese648391c2016-08-30 16:48:20 +020039 */
40struct comphy_mux_data cp110_comphy_phy_mux_data[] = {
Stefan Roeseb15d61d2017-04-24 18:45:27 +030041 {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII1, 0x1}, /* Lane 0 */
42 {PHY_TYPE_SATA1, 0x4} } },
43 {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 1 */
44 {PHY_TYPE_SATA0, 0x4} } },
Stefan Roese648391c2016-08-30 16:48:20 +020045 {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x1}, /* Lane 2 */
Stefan Roeseb15d61d2017-04-24 18:45:27 +030046 {PHY_TYPE_RXAUI0, 0x1}, {PHY_TYPE_SFI, 0x1},
47 {PHY_TYPE_SATA0, 0x4} } },
48 {8, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_RXAUI1, 0x1}, /* Lane 3 */
49 {PHY_TYPE_SGMII1, 0x2}, {PHY_TYPE_SATA1, 0x4} } },
Stefan Roeseb8b7c672017-04-24 18:45:29 +030050 {7, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x2}, /* Lane 4 */
Stefan Roeseb15d61d2017-04-24 18:45:27 +030051 {PHY_TYPE_RXAUI0, 0x2}, {PHY_TYPE_SFI, 0x2},
Stefan Roeseb8b7c672017-04-24 18:45:29 +030052 {PHY_TYPE_SGMII1, 0x1} } },
Stefan Roeseb15d61d2017-04-24 18:45:27 +030053 {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 5 */
54 {PHY_TYPE_RXAUI1, 0x2}, {PHY_TYPE_SATA1, 0x4} } },
Stefan Roese648391c2016-08-30 16:48:20 +020055};
56
57struct comphy_mux_data cp110_comphy_pipe_mux_data[] = {
58 {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX0, 0x4} } }, /* Lane 0 */
59 {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 1 */
60 {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_USB3_DEVICE, 0x2},
61 {PHY_TYPE_PEX0, 0x4} } },
62 {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 2 */
63 {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
64 {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 3 */
65 {PHY_TYPE_USB3_HOST1, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
66 {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 4 */
67 {PHY_TYPE_USB3_HOST1, 0x1},
68 {PHY_TYPE_USB3_DEVICE, 0x2}, {PHY_TYPE_PEX1, 0x4} } },
69 {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX2, 0x4} } }, /* Lane 5 */
70};
71
72static u32 polling_with_timeout(void __iomem *addr, u32 val,
73 u32 mask, unsigned long usec_timout)
74{
75 u32 data;
76
77 do {
78 udelay(1);
79 data = readl(addr) & mask;
80 } while (data != val && --usec_timout > 0);
81
82 if (usec_timout == 0)
83 return data;
84
85 return 0;
86}
87
Stefan Roese2313efe2017-04-24 18:45:22 +030088static int comphy_pcie_power_up(u32 lane, u32 pcie_width, bool clk_src,
89 bool is_end_point, void __iomem *hpipe_base,
Stefan Roese648391c2016-08-30 16:48:20 +020090 void __iomem *comphy_base)
91{
92 u32 mask, data, ret = 1;
93 void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
94 void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
95 void __iomem *addr;
96 u32 pcie_clk = 0; /* set input by default */
97
98 debug_enter();
99
100 /*
101 * ToDo:
102 * Add SAR (Sample-At-Reset) configuration for the PCIe clock
103 * direction. SAR code is currently not ported from Marvell
104 * U-Boot to mainline version.
105 *
106 * SerDes Lane 4/5 got the PCIe ref-clock #1,
107 * and SerDes Lane 0 got PCIe ref-clock #0
108 */
109 debug("PCIe clock = %x\n", pcie_clk);
Stefan Roese2313efe2017-04-24 18:45:22 +0300110 debug("PCIe RC = %d\n", !is_end_point);
Stefan Roese648391c2016-08-30 16:48:20 +0200111 debug("PCIe width = %d\n", pcie_width);
112
113 /* enable PCIe by4 and by2 */
114 if (lane == 0) {
115 if (pcie_width == 4) {
116 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
117 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET,
118 COMMON_PHY_SD_CTRL1_PCIE_X4_EN_MASK);
119 } else if (pcie_width == 2) {
120 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
121 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET,
122 COMMON_PHY_SD_CTRL1_PCIE_X2_EN_MASK);
123 }
124 }
125
126 /*
127 * If PCIe clock is output and clock source from SerDes lane 5,
128 * we need to configure the clock-source MUX.
129 * By default, the clock source is from lane 4
130 */
131 if (pcie_clk && clk_src && (lane == 5)) {
132 reg_set((void __iomem *)DFX_DEV_GEN_CTRL12,
133 0x3 << DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET,
134 DFX_DEV_GEN_PCIE_CLK_SRC_MASK);
135 }
136
137 debug("stage: RFU configurations - hard reset comphy\n");
138 /* RFU configurations - hard reset comphy */
139 mask = COMMON_PHY_CFG1_PWR_UP_MASK;
140 data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
141 mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
142 data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
143 mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
144 data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
145 mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
146 data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
147 mask |= COMMON_PHY_PHY_MODE_MASK;
148 data |= 0x0 << COMMON_PHY_PHY_MODE_OFFSET;
149 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
150
151 /* release from hard reset */
152 mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
153 data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
154 mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
155 data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
156 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
157
158 /* Wait 1ms - until band gap and ref clock ready */
159 mdelay(1);
160 /* Start comphy Configuration */
161 debug("stage: Comphy configuration\n");
162 /* Set PIPE soft reset */
163 mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
164 data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
165 /* Set PHY datapath width mode for V0 */
166 mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
167 data |= 0x1 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
168 /* Set Data bus width USB mode for V0 */
169 mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
170 data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
171 /* Set CORE_CLK output frequency for 250Mhz */
172 mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
173 data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
174 reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
175 /* Set PLL ready delay for 0x2 */
176 data = 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET;
177 mask = HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK;
178 if (pcie_width != 1) {
179 data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_OFFSET;
180 mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_MASK;
181 data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_OFFSET;
182 mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_MASK;
183 }
184 reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG, data, mask);
185
186 /* Set PIPE mode interface to PCIe3 - 0x1 & set lane order */
187 data = 0x1 << HPIPE_CLK_SRC_HI_MODE_PIPE_OFFSET;
188 mask = HPIPE_CLK_SRC_HI_MODE_PIPE_MASK;
189 if (pcie_width != 1) {
190 mask |= HPIPE_CLK_SRC_HI_LANE_STRT_MASK;
191 mask |= HPIPE_CLK_SRC_HI_LANE_MASTER_MASK;
192 mask |= HPIPE_CLK_SRC_HI_LANE_BREAK_MASK;
193 if (lane == 0) {
194 data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_STRT_OFFSET;
195 data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_MASTER_OFFSET;
196 } else if (lane == (pcie_width - 1)) {
197 data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_BREAK_OFFSET;
198 }
199 }
200 reg_set(hpipe_addr + HPIPE_CLK_SRC_HI_REG, data, mask);
201 /* Config update polarity equalization */
202 reg_set(hpipe_addr + HPIPE_LANE_EQ_CFG1_REG,
203 0x1 << HPIPE_CFG_UPDATE_POLARITY_OFFSET,
204 HPIPE_CFG_UPDATE_POLARITY_MASK);
205 /* Set PIPE version 4 to mode enable */
206 reg_set(hpipe_addr + HPIPE_DFE_CTRL_28_REG,
207 0x1 << HPIPE_DFE_CTRL_28_PIPE4_OFFSET,
208 HPIPE_DFE_CTRL_28_PIPE4_MASK);
209 /* TODO: check if pcie clock is output/input - for bringup use input*/
210 /* Enable PIN clock 100M_125M */
211 mask = 0;
212 data = 0;
213 /* Only if clock is output, configure the clock-source mux */
214 if (pcie_clk) {
215 mask |= HPIPE_MISC_CLK100M_125M_MASK;
216 data |= 0x1 << HPIPE_MISC_CLK100M_125M_OFFSET;
217 }
218 /*
219 * Set PIN_TXDCLK_2X Clock Frequency Selection for outputs 500MHz
220 * clock
221 */
222 mask |= HPIPE_MISC_TXDCLK_2X_MASK;
223 data |= 0x0 << HPIPE_MISC_TXDCLK_2X_OFFSET;
224 /* Enable 500MHz Clock */
225 mask |= HPIPE_MISC_CLK500_EN_MASK;
226 data |= 0x1 << HPIPE_MISC_CLK500_EN_OFFSET;
227 if (pcie_clk) { /* output */
228 /* Set reference clock comes from group 1 */
229 mask |= HPIPE_MISC_REFCLK_SEL_MASK;
230 data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
231 } else {
232 /* Set reference clock comes from group 2 */
233 mask |= HPIPE_MISC_REFCLK_SEL_MASK;
234 data |= 0x1 << HPIPE_MISC_REFCLK_SEL_OFFSET;
235 }
Igal Liberman50dd09e2017-04-24 18:45:33 +0300236 mask |= HPIPE_MISC_ICP_FORCE_MASK;
237 data |= 0x1 << HPIPE_MISC_ICP_FORCE_OFFSET;
Stefan Roese648391c2016-08-30 16:48:20 +0200238 reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
239 if (pcie_clk) { /* output */
240 /* Set reference frequcency select - 0x2 for 25MHz*/
241 mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
242 data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
243 } else {
244 /* Set reference frequcency select - 0x0 for 100MHz*/
245 mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
246 data = 0x0 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
247 }
248 /* Set PHY mode to PCIe */
249 mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
250 data |= 0x3 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
251 reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
252
253 /* ref clock alignment */
254 if (pcie_width != 1) {
255 mask = HPIPE_LANE_ALIGN_OFF_MASK;
256 data = 0x0 << HPIPE_LANE_ALIGN_OFF_OFFSET;
257 reg_set(hpipe_addr + HPIPE_LANE_ALIGN_REG, data, mask);
258 }
259
260 /*
261 * Set the amount of time spent in the LoZ state - set for 0x7 only if
262 * the PCIe clock is output
263 */
264 if (pcie_clk) {
265 reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL,
266 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET,
267 HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK);
268 }
269
270 /* Set Maximal PHY Generation Setting(8Gbps) */
271 mask = HPIPE_INTERFACE_GEN_MAX_MASK;
272 data = 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET;
Igal Liberman50dd09e2017-04-24 18:45:33 +0300273 /* Bypass frame detection and sync detection for RX DATA */
274 mask = HPIPE_INTERFACE_DET_BYPASS_MASK;
275 data = 0x1 << HPIPE_INTERFACE_DET_BYPASS_OFFSET;
Stefan Roese648391c2016-08-30 16:48:20 +0200276 /* Set Link Train Mode (Tx training control pins are used) */
277 mask |= HPIPE_INTERFACE_LINK_TRAIN_MASK;
278 data |= 0x1 << HPIPE_INTERFACE_LINK_TRAIN_OFFSET;
279 reg_set(hpipe_addr + HPIPE_INTERFACE_REG, data, mask);
280
281 /* Set Idle_sync enable */
282 mask = HPIPE_PCIE_IDLE_SYNC_MASK;
283 data = 0x1 << HPIPE_PCIE_IDLE_SYNC_OFFSET;
284 /* Select bits for PCIE Gen3(32bit) */
285 mask |= HPIPE_PCIE_SEL_BITS_MASK;
286 data |= 0x2 << HPIPE_PCIE_SEL_BITS_OFFSET;
287 reg_set(hpipe_addr + HPIPE_PCIE_REG0, data, mask);
288
289 /* Enable Tx_adapt_g1 */
290 mask = HPIPE_TX_TRAIN_CTRL_G1_MASK;
291 data = 0x1 << HPIPE_TX_TRAIN_CTRL_G1_OFFSET;
292 /* Enable Tx_adapt_gn1 */
293 mask |= HPIPE_TX_TRAIN_CTRL_GN1_MASK;
294 data |= 0x1 << HPIPE_TX_TRAIN_CTRL_GN1_OFFSET;
295 /* Disable Tx_adapt_g0 */
296 mask |= HPIPE_TX_TRAIN_CTRL_G0_MASK;
297 data |= 0x0 << HPIPE_TX_TRAIN_CTRL_G0_OFFSET;
298 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask);
299
300 /* Set reg_tx_train_chk_init */
301 mask = HPIPE_TX_TRAIN_CHK_INIT_MASK;
302 data = 0x0 << HPIPE_TX_TRAIN_CHK_INIT_OFFSET;
303 /* Enable TX_COE_FM_PIN_PCIE3_EN */
304 mask |= HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_MASK;
305 data |= 0x1 << HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_OFFSET;
306 reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask);
307
308 debug("stage: TRx training parameters\n");
309 /* Set Preset sweep configurations */
310 mask = HPIPE_TX_TX_STATUS_CHECK_MODE_MASK;
311 data = 0x1 << HPIPE_TX_STATUS_CHECK_MODE_OFFSET;
312
313 mask |= HPIPE_TX_NUM_OF_PRESET_MASK;
314 data |= 0x7 << HPIPE_TX_NUM_OF_PRESET_OFFSET;
315
316 mask |= HPIPE_TX_SWEEP_PRESET_EN_MASK;
317 data |= 0x1 << HPIPE_TX_SWEEP_PRESET_EN_OFFSET;
318 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_11_REG, data, mask);
319
320 /* Tx train start configuration */
321 mask = HPIPE_TX_TRAIN_START_SQ_EN_MASK;
322 data = 0x1 << HPIPE_TX_TRAIN_START_SQ_EN_OFFSET;
323
324 mask |= HPIPE_TX_TRAIN_START_FRM_DET_EN_MASK;
325 data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_DET_EN_OFFSET;
326
327 mask |= HPIPE_TX_TRAIN_START_FRM_LOCK_EN_MASK;
328 data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_LOCK_EN_OFFSET;
329
330 mask |= HPIPE_TX_TRAIN_WAIT_TIME_EN_MASK;
331 data |= 0x1 << HPIPE_TX_TRAIN_WAIT_TIME_EN_OFFSET;
332 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask);
333
334 /* Enable Tx train P2P */
335 mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK;
336 data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET;
337 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask);
338
339 /* Configure Tx train timeout */
340 mask = HPIPE_TRX_TRAIN_TIMER_MASK;
341 data = 0x17 << HPIPE_TRX_TRAIN_TIMER_OFFSET;
342 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_4_REG, data, mask);
343
344 /* Disable G0/G1/GN1 adaptation */
345 mask = HPIPE_TX_TRAIN_CTRL_G1_MASK | HPIPE_TX_TRAIN_CTRL_GN1_MASK
346 | HPIPE_TX_TRAIN_CTRL_G0_OFFSET;
347 data = 0;
348 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask);
349
350 /* Disable DTL frequency loop */
351 mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
352 data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
353 reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
354
355 /* Configure G3 DFE */
356 mask = HPIPE_G3_DFE_RES_MASK;
357 data = 0x3 << HPIPE_G3_DFE_RES_OFFSET;
358 reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask);
359
Igal Liberman50dd09e2017-04-24 18:45:33 +0300360 /* Use TX/RX training result for DFE */
Stefan Roese648391c2016-08-30 16:48:20 +0200361 mask = HPIPE_DFE_RES_FORCE_MASK;
Igal Liberman50dd09e2017-04-24 18:45:33 +0300362 data = 0x0 << HPIPE_DFE_RES_FORCE_OFFSET;
Stefan Roese648391c2016-08-30 16:48:20 +0200363 reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
364
365 /* Configure initial and final coefficient value for receiver */
Igal Liberman547a98f2017-04-24 18:45:26 +0300366 mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK;
367 data = 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET;
Stefan Roese648391c2016-08-30 16:48:20 +0200368
Igal Liberman547a98f2017-04-24 18:45:26 +0300369 mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK;
370 data |= 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET;
Stefan Roese648391c2016-08-30 16:48:20 +0200371
Igal Liberman547a98f2017-04-24 18:45:26 +0300372 mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK;
373 data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET;
374 reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask);
Stefan Roese648391c2016-08-30 16:48:20 +0200375
376 /* Trigger sampler enable pulse */
377 mask = HPIPE_SMAPLER_MASK;
378 data = 0x1 << HPIPE_SMAPLER_OFFSET;
379 reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
380 udelay(5);
381 reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, 0, mask);
382
383 /* FFE resistor tuning for different bandwidth */
384 mask = HPIPE_G3_FFE_DEG_RES_LEVEL_MASK;
385 data = 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET;
386
387 mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK;
Igal Liberman50dd09e2017-04-24 18:45:33 +0300388 data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET;
Stefan Roese648391c2016-08-30 16:48:20 +0200389 reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask);
390
Igal Liberman50dd09e2017-04-24 18:45:33 +0300391 /* Pattern lock lost timeout disable */
392 mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK;
393 data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET;
394 reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask);
395
396 /* Configure DFE adaptations */
397 mask = HPIPE_CDR_MAX_DFE_ADAPT_1_MASK;
398 data = 0x1 << HPIPE_CDR_MAX_DFE_ADAPT_1_OFFSET;
399 mask |= HPIPE_CDR_MAX_DFE_ADAPT_0_MASK;
400 data |= 0x0 << HPIPE_CDR_MAX_DFE_ADAPT_0_OFFSET;
401 mask |= HPIPE_CDR_RX_MAX_DFE_ADAPT_1_MASK;
402 data |= 0x0 << HPIPE_CDR_RX_MAX_DFE_ADAPT_1_OFFSET;
403 reg_set(hpipe_addr + HPIPE_CDR_CONTROL_REG, data, mask);
404 mask = HPIPE_DFE_TX_MAX_DFE_ADAPT_MASK;
405 data = 0x0 << HPIPE_DFE_TX_MAX_DFE_ADAPT_OFFSET;
406 reg_set(hpipe_addr + HPIPE_DFE_CONTROL_REG, data, mask);
407
408 /* Genration 2 setting 1*/
409 mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK;
410 data = 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET;
411 mask |= HPIPE_G2_SET_1_G2_RX_SELMUPP_MASK;
412 data |= 0x1 << HPIPE_G2_SET_1_G2_RX_SELMUPP_OFFSET;
413 mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK;
414 data |= 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET;
415 reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask);
416
417 /* DFE enable */
418 mask = HPIPE_G2_DFE_RES_MASK;
419 data = 0x3 << HPIPE_G2_DFE_RES_OFFSET;
420 reg_set(hpipe_addr + HPIPE_G2_SETTINGS_4_REG, data, mask);
421
422 /* Configure DFE Resolution */
423 mask = HPIPE_LANE_CFG4_DFE_EN_SEL_MASK;
424 data = 0x1 << HPIPE_LANE_CFG4_DFE_EN_SEL_OFFSET;
425 reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
426
427 /* VDD calibration control */
428 mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
429 data = 0x16 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
430 reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
431
432 /* Set PLL Charge-pump Current Control */
433 mask = HPIPE_G3_SETTING_5_G3_ICP_MASK;
434 data = 0x4 << HPIPE_G3_SETTING_5_G3_ICP_OFFSET;
435 reg_set(hpipe_addr + HPIPE_G3_SETTING_5_REG, data, mask);
436
437 /* Set lane rqualization remote setting */
438 mask = HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_MASK;
439 data = 0x1 << HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_OFFSET;
440 mask |= HPIPE_LANE_CFG_FOM_ONLY_MODE_MASK;
441 data |= 0x1 << HPIPE_LANE_CFG_FOM_ONLY_MODE_OFFFSET;
442 mask |= HPIPE_LANE_CFG_FOM_PRESET_VECTOR_MASK;
443 data |= 0x2 << HPIPE_LANE_CFG_FOM_PRESET_VECTOR_OFFSET;
444 reg_set(hpipe_addr + HPIPE_LANE_EQ_REMOTE_SETTING_REG, data, mask);
445
Stefan Roese2313efe2017-04-24 18:45:22 +0300446 if (!is_end_point) {
447 /* Set phy in root complex mode */
448 mask = HPIPE_CFG_PHY_RC_EP_MASK;
449 data = 0x1 << HPIPE_CFG_PHY_RC_EP_OFFSET;
450 reg_set(hpipe_addr + HPIPE_LANE_EQU_CONFIG_0_REG, data, mask);
451 }
Stefan Roese648391c2016-08-30 16:48:20 +0200452
453 debug("stage: Comphy power up\n");
454
455 /*
456 * For PCIe by4 or by2 - release from reset only after finish to
457 * configure all lanes
458 */
459 if ((pcie_width == 1) || (lane == (pcie_width - 1))) {
460 u32 i, start_lane, end_lane;
461
462 if (pcie_width != 1) {
463 /* allows writing to all lanes in one write */
464 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
465 0x0 <<
466 COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET,
467 COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK);
468 start_lane = 0;
469 end_lane = pcie_width;
470
471 /*
472 * Release from PIPE soft reset
473 * for PCIe by4 or by2 - release from soft reset
474 * all lanes - can't use read modify write
475 */
476 reg_set(HPIPE_ADDR(hpipe_base, 0) +
477 HPIPE_RST_CLK_CTRL_REG, 0x24, 0xffffffff);
478 } else {
479 start_lane = lane;
480 end_lane = lane + 1;
481
482 /*
483 * Release from PIPE soft reset
484 * for PCIe by4 or by2 - release from soft reset
485 * all lanes
486 */
487 reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
488 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
489 HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
490 }
491
492
493 if (pcie_width != 1) {
494 /* disable writing to all lanes with one write */
495 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
496 0x3210 <<
497 COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET,
498 COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK);
499 }
500
501 debug("stage: Check PLL\n");
502 /* Read lane status */
503 for (i = start_lane; i < end_lane; i++) {
504 addr = HPIPE_ADDR(hpipe_base, i) +
505 HPIPE_LANE_STATUS1_REG;
506 data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
507 mask = data;
508 data = polling_with_timeout(addr, data, mask, 15000);
509 if (data != 0) {
510 debug("Read from reg = %p - value = 0x%x\n",
511 hpipe_addr + HPIPE_LANE_STATUS1_REG,
512 data);
Masahiro Yamada81e10422017-09-16 14:10:41 +0900513 pr_err("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200514 ret = 0;
515 }
516 }
517 }
518
519 debug_exit();
520 return ret;
521}
522
523static int comphy_usb3_power_up(u32 lane, void __iomem *hpipe_base,
524 void __iomem *comphy_base)
525{
526 u32 mask, data, ret = 1;
527 void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
528 void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
529 void __iomem *addr;
530
531 debug_enter();
532 debug("stage: RFU configurations - hard reset comphy\n");
533 /* RFU configurations - hard reset comphy */
534 mask = COMMON_PHY_CFG1_PWR_UP_MASK;
535 data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
536 mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
537 data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
538 mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
539 data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
540 mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
541 data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
542 mask |= COMMON_PHY_PHY_MODE_MASK;
543 data |= 0x1 << COMMON_PHY_PHY_MODE_OFFSET;
544 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
545
546 /* release from hard reset */
547 mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
548 data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
549 mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
550 data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
551 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
552
553 /* Wait 1ms - until band gap and ref clock ready */
554 mdelay(1);
555
556 /* Start comphy Configuration */
557 debug("stage: Comphy configuration\n");
558 /* Set PIPE soft reset */
559 mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
560 data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
561 /* Set PHY datapath width mode for V0 */
562 mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
563 data |= 0x0 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
564 /* Set Data bus width USB mode for V0 */
565 mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
566 data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
567 /* Set CORE_CLK output frequency for 250Mhz */
568 mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
569 data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
570 reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
571 /* Set PLL ready delay for 0x2 */
572 reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG,
573 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET,
574 HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK);
575 /* Set reference clock to come from group 1 - 25Mhz */
576 reg_set(hpipe_addr + HPIPE_MISC_REG,
577 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
578 HPIPE_MISC_REFCLK_SEL_MASK);
579 /* Set reference frequcency select - 0x2 */
580 mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
581 data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
582 /* Set PHY mode to USB - 0x5 */
583 mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
584 data |= 0x5 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
585 reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
586 /* Set the amount of time spent in the LoZ state - set for 0x7 */
587 reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL,
588 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET,
589 HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK);
590 /* Set max PHY generation setting - 5Gbps */
591 reg_set(hpipe_addr + HPIPE_INTERFACE_REG,
592 0x1 << HPIPE_INTERFACE_GEN_MAX_OFFSET,
593 HPIPE_INTERFACE_GEN_MAX_MASK);
594 /* Set select data width 20Bit (SEL_BITS[2:0]) */
595 reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
596 0x1 << HPIPE_LOOPBACK_SEL_OFFSET,
597 HPIPE_LOOPBACK_SEL_MASK);
598 /* select de-emphasize 3.5db */
599 reg_set(hpipe_addr + HPIPE_LANE_CONFIG0_REG,
600 0x1 << HPIPE_LANE_CONFIG0_TXDEEMPH0_OFFSET,
601 HPIPE_LANE_CONFIG0_TXDEEMPH0_MASK);
602 /* override tx margining from the MAC */
603 reg_set(hpipe_addr + HPIPE_TST_MODE_CTRL_REG,
604 0x1 << HPIPE_TST_MODE_CTRL_MODE_MARGIN_OFFSET,
605 HPIPE_TST_MODE_CTRL_MODE_MARGIN_MASK);
606
607 /* Start analog paramters from ETP(HW) */
608 debug("stage: Analog paramters from ETP(HW)\n");
609 /* Set Pin DFE_PAT_DIS -> Bit[1]: PIN_DFE_PAT_DIS = 0x0 */
610 mask = HPIPE_LANE_CFG4_DFE_CTRL_MASK;
611 data = 0x1 << HPIPE_LANE_CFG4_DFE_CTRL_OFFSET;
612 /* Set Override PHY DFE control pins for 0x1 */
613 mask |= HPIPE_LANE_CFG4_DFE_OVER_MASK;
614 data |= 0x1 << HPIPE_LANE_CFG4_DFE_OVER_OFFSET;
615 /* Set Spread Spectrum Clock Enable fot 0x1 */
616 mask |= HPIPE_LANE_CFG4_SSC_CTRL_MASK;
617 data |= 0x1 << HPIPE_LANE_CFG4_SSC_CTRL_OFFSET;
618 reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
619 /* End of analog parameters */
620
621 debug("stage: Comphy power up\n");
622 /* Release from PIPE soft reset */
623 reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
624 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
625 HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
626
627 /* wait 15ms - for comphy calibration done */
628 debug("stage: Check PLL\n");
629 /* Read lane status */
630 addr = hpipe_addr + HPIPE_LANE_STATUS1_REG;
631 data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
632 mask = data;
633 data = polling_with_timeout(addr, data, mask, 15000);
634 if (data != 0) {
635 debug("Read from reg = %p - value = 0x%x\n",
636 hpipe_addr + HPIPE_LANE_STATUS1_REG, data);
Masahiro Yamada81e10422017-09-16 14:10:41 +0900637 pr_err("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200638 ret = 0;
639 }
640
641 debug_exit();
642 return ret;
643}
644
645static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base,
Rabeeh Khoury320bd152018-09-06 12:37:48 +0300646 void __iomem *comphy_base, int cp_index,
647 u32 invert)
Stefan Roese648391c2016-08-30 16:48:20 +0200648{
649 u32 mask, data, i, ret = 1;
650 void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
651 void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
652 void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
653 void __iomem *addr;
654 void __iomem *sata_base = NULL;
655 int sata_node = -1; /* Set to -1 in order to read the first sata node */
656
657 debug_enter();
658
659 /*
660 * Assumption - each CP has only one SATA controller
661 * Calling fdt_node_offset_by_compatible first time (with sata_node = -1
662 * will return the first node always.
663 * In order to parse each CPs SATA node, fdt_node_offset_by_compatible
664 * must be called again (according to the CP id)
665 */
Igal Libermanc8855ce2017-04-24 18:45:32 +0300666 for (i = 0; i < (cp_index + 1); i++)
Stefan Roese648391c2016-08-30 16:48:20 +0200667 sata_node = fdt_node_offset_by_compatible(
668 gd->fdt_blob, sata_node, "marvell,armada-8k-ahci");
669
670 if (sata_node == 0) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900671 pr_err("SATA node not found in FDT\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200672 return 0;
673 }
674
675 sata_base = (void __iomem *)fdtdec_get_addr_size_auto_noparent(
676 gd->fdt_blob, sata_node, "reg", 0, NULL, true);
677 if (sata_base == NULL) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900678 pr_err("SATA address not found in FDT\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200679 return 0;
680 }
681
682 debug("SATA address found in FDT %p\n", sata_base);
683
684 debug("stage: MAC configuration - power down comphy\n");
685 /*
686 * MAC configuration powe down comphy use indirect address for
687 * vendor spesific SATA control register
688 */
689 reg_set(sata_base + SATA3_VENDOR_ADDRESS,
690 SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
691 SATA3_VENDOR_ADDR_MASK);
692 /* SATA 0 power down */
693 mask = SATA3_CTRL_SATA0_PD_MASK;
694 data = 0x1 << SATA3_CTRL_SATA0_PD_OFFSET;
695 /* SATA 1 power down */
696 mask |= SATA3_CTRL_SATA1_PD_MASK;
697 data |= 0x1 << SATA3_CTRL_SATA1_PD_OFFSET;
698 /* SATA SSU disable */
699 mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
700 data |= 0x0 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
701 /* SATA port 1 disable */
702 mask |= SATA3_CTRL_SATA_SSU_MASK;
703 data |= 0x0 << SATA3_CTRL_SATA_SSU_OFFSET;
704 reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
705
706 debug("stage: RFU configurations - hard reset comphy\n");
707 /* RFU configurations - hard reset comphy */
708 mask = COMMON_PHY_CFG1_PWR_UP_MASK;
709 data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
710 mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
711 data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
712 mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
713 data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
714 mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
715 data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
716 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
717
718 /* Set select data width 40Bit - SATA mode only */
719 reg_set(comphy_addr + COMMON_PHY_CFG6_REG,
720 0x1 << COMMON_PHY_CFG6_IF_40_SEL_OFFSET,
721 COMMON_PHY_CFG6_IF_40_SEL_MASK);
722
723 /* release from hard reset in SD external */
724 mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
725 data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
726 mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
727 data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
728 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
729
730 /* Wait 1ms - until band gap and ref clock ready */
731 mdelay(1);
732
733 debug("stage: Comphy configuration\n");
734 /* Start comphy Configuration */
735 /* Set reference clock to comes from group 1 - choose 25Mhz */
736 reg_set(hpipe_addr + HPIPE_MISC_REG,
737 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
738 HPIPE_MISC_REFCLK_SEL_MASK);
739 /* Reference frequency select set 1 (for SATA = 25Mhz) */
740 mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
741 data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
742 /* PHY mode select (set SATA = 0x0 */
743 mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
744 data |= 0x0 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
745 reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
746 /* Set max PHY generation setting - 6Gbps */
747 reg_set(hpipe_addr + HPIPE_INTERFACE_REG,
748 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET,
749 HPIPE_INTERFACE_GEN_MAX_MASK);
750 /* Set select data width 40Bit (SEL_BITS[2:0]) */
751 reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
752 0x2 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK);
753
754 debug("stage: Analog paramters from ETP(HW)\n");
Igal Liberman547a98f2017-04-24 18:45:26 +0300755 /* Set analog parameters from ETP(HW) */
756 /* G1 settings */
757 mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
758 data = 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
759 mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
760 data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
761 mask |= HPIPE_G1_SET_1_G1_RX_SELMUFI_MASK;
762 data |= 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUFI_OFFSET;
763 mask |= HPIPE_G1_SET_1_G1_RX_SELMUFF_MASK;
764 data |= 0x3 << HPIPE_G1_SET_1_G1_RX_SELMUFF_OFFSET;
765 mask |= HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_MASK;
766 data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_OFFSET;
767 reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
768
769 mask = HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK;
770 data = 0xf << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET;
771 mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK;
772 data |= 0x2 << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET;
773 mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK;
774 data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET;
775 mask |= HPIPE_G1_SETTINGS_3_G1_FFE_DEG_RES_LEVEL_MASK;
776 data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_DEG_RES_LEVEL_OFFSET;
777 mask |= HPIPE_G1_SETTINGS_3_G1_FFE_LOAD_RES_LEVEL_MASK;
778 data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_LOAD_RES_LEVEL_OFFSET;
779 reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask);
780
781 /* G2 settings */
782 mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK;
783 data = 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET;
784 mask |= HPIPE_G2_SET_1_G2_RX_SELMUPP_MASK;
785 data |= 0x1 << HPIPE_G2_SET_1_G2_RX_SELMUPP_OFFSET;
786 mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK;
787 data |= 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET;
788 mask |= HPIPE_G2_SET_1_G2_RX_SELMUFF_MASK;
789 data |= 0x3 << HPIPE_G2_SET_1_G2_RX_SELMUFF_OFFSET;
790 mask |= HPIPE_G2_SET_1_G2_RX_DIGCK_DIV_MASK;
791 data |= 0x1 << HPIPE_G2_SET_1_G2_RX_DIGCK_DIV_OFFSET;
792 reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask);
793
794 /* G3 settings */
795 mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK;
796 data = 0x2 << HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET;
797 mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK;
798 data |= 0x2 << HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET;
799 mask |= HPIPE_G3_SET_1_G3_RX_SELMUFI_MASK;
800 data |= 0x3 << HPIPE_G3_SET_1_G3_RX_SELMUFI_OFFSET;
801 mask |= HPIPE_G3_SET_1_G3_RX_SELMUFF_MASK;
802 data |= 0x3 << HPIPE_G3_SET_1_G3_RX_SELMUFF_OFFSET;
803 mask |= HPIPE_G3_SET_1_G3_RX_DFE_EN_MASK;
804 data |= 0x1 << HPIPE_G3_SET_1_G3_RX_DFE_EN_OFFSET;
805 mask |= HPIPE_G3_SET_1_G3_RX_DIGCK_DIV_MASK;
806 data |= 0x2 << HPIPE_G3_SET_1_G3_RX_DIGCK_DIV_OFFSET;
807 mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK;
808 data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET;
809 reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask);
810
811 /* DTL Control */
812 mask = HPIPE_PWR_CTR_DTL_SQ_DET_EN_MASK;
813 data = 0x1 << HPIPE_PWR_CTR_DTL_SQ_DET_EN_OFFSET;
814 mask |= HPIPE_PWR_CTR_DTL_SQ_PLOOP_EN_MASK;
815 data |= 0x1 << HPIPE_PWR_CTR_DTL_SQ_PLOOP_EN_OFFSET;
816 mask |= HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
817 data |= 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
818 mask |= HPIPE_PWR_CTR_DTL_CLAMPING_SEL_MASK;
819 data |= 0x1 << HPIPE_PWR_CTR_DTL_CLAMPING_SEL_OFFSET;
820 mask |= HPIPE_PWR_CTR_DTL_INTPCLK_DIV_FORCE_MASK;
821 data |= 0x1 << HPIPE_PWR_CTR_DTL_INTPCLK_DIV_FORCE_OFFSET;
822 mask |= HPIPE_PWR_CTR_DTL_CLK_MODE_MASK;
823 data |= 0x1 << HPIPE_PWR_CTR_DTL_CLK_MODE_OFFSET;
824 mask |= HPIPE_PWR_CTR_DTL_CLK_MODE_FORCE_MASK;
825 data |= 0x1 << HPIPE_PWR_CTR_DTL_CLK_MODE_FORCE_OFFSET;
826 reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
827
828 /* Trigger sampler enable pulse (by toggleing the bit) */
829 mask = HPIPE_SMAPLER_MASK;
830 data = 0x1 << HPIPE_SMAPLER_OFFSET;
831 reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
832 mask = HPIPE_SMAPLER_MASK;
833 data = 0x0 << HPIPE_SMAPLER_OFFSET;
834 reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
835
836 /* VDD Calibration Control 3 */
837 mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
838 data = 0x10 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
839 reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
840
841 /* DFE Resolution Control */
842 mask = HPIPE_DFE_RES_FORCE_MASK;
843 data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET;
844 reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
845
846 /* DFE F3-F5 Coefficient Control */
847 mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
848 data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
849 mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
850 data = 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
851 reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
852
853 /* G3 Setting 3 */
854 mask = HPIPE_G3_FFE_CAP_SEL_MASK;
855 data = 0xf << HPIPE_G3_FFE_CAP_SEL_OFFSET;
856 mask |= HPIPE_G3_FFE_RES_SEL_MASK;
857 data |= 0x4 << HPIPE_G3_FFE_RES_SEL_OFFSET;
858 mask |= HPIPE_G3_FFE_SETTING_FORCE_MASK;
859 data |= 0x1 << HPIPE_G3_FFE_SETTING_FORCE_OFFSET;
860 mask |= HPIPE_G3_FFE_DEG_RES_LEVEL_MASK;
861 data |= 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET;
862 mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK;
863 data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET;
864 reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask);
865
866 /* G3 Setting 4 */
867 mask = HPIPE_G3_DFE_RES_MASK;
868 data = 0x2 << HPIPE_G3_DFE_RES_OFFSET;
869 reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask);
870
871 /* Offset Phase Control */
872 mask = HPIPE_OS_PH_OFFSET_MASK;
873 data = 0x5c << HPIPE_OS_PH_OFFSET_OFFSET;
874 mask |= HPIPE_OS_PH_OFFSET_FORCE_MASK;
875 data |= 0x1 << HPIPE_OS_PH_OFFSET_FORCE_OFFSET;
876 reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask);
877 mask = HPIPE_OS_PH_VALID_MASK;
878 data = 0x1 << HPIPE_OS_PH_VALID_OFFSET;
879 reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask);
880 mask = HPIPE_OS_PH_VALID_MASK;
881 data = 0x0 << HPIPE_OS_PH_VALID_OFFSET;
882 reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask);
883
884 /* Set G1 TX amplitude and TX post emphasis value */
885 mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK;
886 data = 0x8 << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET;
887 mask |= HPIPE_G1_SET_0_G1_TX_AMP_ADJ_MASK;
888 data |= 0x1 << HPIPE_G1_SET_0_G1_TX_AMP_ADJ_OFFSET;
889 mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
890 data |= 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
891 mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_EN_MASK;
892 data |= 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_EN_OFFSET;
893 reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask);
894
895 /* Set G2 TX amplitude and TX post emphasis value */
896 mask = HPIPE_G2_SET_0_G2_TX_AMP_MASK;
897 data = 0xa << HPIPE_G2_SET_0_G2_TX_AMP_OFFSET;
898 mask |= HPIPE_G2_SET_0_G2_TX_AMP_ADJ_MASK;
899 data |= 0x1 << HPIPE_G2_SET_0_G2_TX_AMP_ADJ_OFFSET;
900 mask |= HPIPE_G2_SET_0_G2_TX_EMPH1_MASK;
901 data |= 0x2 << HPIPE_G2_SET_0_G2_TX_EMPH1_OFFSET;
902 mask |= HPIPE_G2_SET_0_G2_TX_EMPH1_EN_MASK;
903 data |= 0x1 << HPIPE_G2_SET_0_G2_TX_EMPH1_EN_OFFSET;
904 reg_set(hpipe_addr + HPIPE_G2_SET_0_REG, data, mask);
905
906 /* Set G3 TX amplitude and TX post emphasis value */
907 mask = HPIPE_G3_SET_0_G3_TX_AMP_MASK;
908 data = 0xe << HPIPE_G3_SET_0_G3_TX_AMP_OFFSET;
909 mask |= HPIPE_G3_SET_0_G3_TX_AMP_ADJ_MASK;
910 data |= 0x1 << HPIPE_G3_SET_0_G3_TX_AMP_ADJ_OFFSET;
911 mask |= HPIPE_G3_SET_0_G3_TX_EMPH1_MASK;
912 data |= 0x6 << HPIPE_G3_SET_0_G3_TX_EMPH1_OFFSET;
913 mask |= HPIPE_G3_SET_0_G3_TX_EMPH1_EN_MASK;
914 data |= 0x1 << HPIPE_G3_SET_0_G3_TX_EMPH1_EN_OFFSET;
915 mask |= HPIPE_G3_SET_0_G3_TX_SLEW_RATE_SEL_MASK;
916 data |= 0x4 << HPIPE_G3_SET_0_G3_TX_SLEW_RATE_SEL_OFFSET;
917 mask |= HPIPE_G3_SET_0_G3_TX_SLEW_CTRL_EN_MASK;
918 data |= 0x0 << HPIPE_G3_SET_0_G3_TX_SLEW_CTRL_EN_OFFSET;
919 reg_set(hpipe_addr + HPIPE_G3_SET_0_REG, data, mask);
920
921 /* SERDES External Configuration 2 register */
922 mask = SD_EXTERNAL_CONFIG2_SSC_ENABLE_MASK;
923 data = 0x1 << SD_EXTERNAL_CONFIG2_SSC_ENABLE_OFFSET;
924 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask);
Stefan Roese648391c2016-08-30 16:48:20 +0200925
926 /* DFE reset sequence */
927 reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
928 0x1 << HPIPE_PWR_CTR_RST_DFE_OFFSET,
929 HPIPE_PWR_CTR_RST_DFE_MASK);
930 reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
931 0x0 << HPIPE_PWR_CTR_RST_DFE_OFFSET,
932 HPIPE_PWR_CTR_RST_DFE_MASK);
Rabeeh Khoury320bd152018-09-06 12:37:48 +0300933
934 /* Set RX / TX swaps */
935 data = mask = 0;
936 if (invert & PHY_POLARITY_TXD_INVERT) {
937 data |= (1 << HPIPE_SYNC_PATTERN_TXD_SWAP_OFFSET);
938 mask |= HPIPE_SYNC_PATTERN_TXD_SWAP_MASK;
939 }
940 if (invert & PHY_POLARITY_RXD_INVERT) {
941 data |= (1 << HPIPE_SYNC_PATTERN_RXD_SWAP_OFFSET);
942 mask |= HPIPE_SYNC_PATTERN_RXD_SWAP_MASK;
943 }
944 reg_set(hpipe_addr + HPIPE_SYNC_PATTERN_REG, data, mask);
945
Stefan Roese648391c2016-08-30 16:48:20 +0200946 /* SW reset for interupt logic */
947 reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
948 0x1 << HPIPE_PWR_CTR_SFT_RST_OFFSET,
949 HPIPE_PWR_CTR_SFT_RST_MASK);
950 reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
951 0x0 << HPIPE_PWR_CTR_SFT_RST_OFFSET,
952 HPIPE_PWR_CTR_SFT_RST_MASK);
953
954 debug("stage: Comphy power up\n");
955 /*
956 * MAC configuration power up comphy - power up PLL/TX/RX
957 * use indirect address for vendor spesific SATA control register
958 */
959 reg_set(sata_base + SATA3_VENDOR_ADDRESS,
960 SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
961 SATA3_VENDOR_ADDR_MASK);
962 /* SATA 0 power up */
963 mask = SATA3_CTRL_SATA0_PD_MASK;
964 data = 0x0 << SATA3_CTRL_SATA0_PD_OFFSET;
965 /* SATA 1 power up */
966 mask |= SATA3_CTRL_SATA1_PD_MASK;
967 data |= 0x0 << SATA3_CTRL_SATA1_PD_OFFSET;
968 /* SATA SSU enable */
969 mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
970 data |= 0x1 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
971 /* SATA port 1 enable */
972 mask |= SATA3_CTRL_SATA_SSU_MASK;
973 data |= 0x1 << SATA3_CTRL_SATA_SSU_OFFSET;
974 reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
975
976 /* MBUS request size and interface select register */
977 reg_set(sata_base + SATA3_VENDOR_ADDRESS,
978 SATA_MBUS_SIZE_SELECT_REG << SATA3_VENDOR_ADDR_OFSSET,
979 SATA3_VENDOR_ADDR_MASK);
980 /* Mbus regret enable */
981 reg_set(sata_base + SATA3_VENDOR_DATA,
982 0x1 << SATA_MBUS_REGRET_EN_OFFSET, SATA_MBUS_REGRET_EN_MASK);
983
984 debug("stage: Check PLL\n");
985
986 addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
987 data = SD_EXTERNAL_STATUS0_PLL_TX_MASK &
988 SD_EXTERNAL_STATUS0_PLL_RX_MASK;
989 mask = data;
990 data = polling_with_timeout(addr, data, mask, 15000);
991 if (data != 0) {
992 debug("Read from reg = %p - value = 0x%x\n",
993 hpipe_addr + HPIPE_LANE_STATUS1_REG, data);
Masahiro Yamada81e10422017-09-16 14:10:41 +0900994 pr_err("SD_EXTERNAL_STATUS0_PLL_TX is %d, SD_EXTERNAL_STATUS0_PLL_RX is %d\n",
Stefan Roese648391c2016-08-30 16:48:20 +0200995 (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK),
996 (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK));
997 ret = 0;
998 }
999
1000 debug_exit();
1001 return ret;
1002}
1003
1004static int comphy_sgmii_power_up(u32 lane, u32 sgmii_speed,
1005 void __iomem *hpipe_base,
1006 void __iomem *comphy_base)
1007{
1008 u32 mask, data, ret = 1;
1009 void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
1010 void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
1011 void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
1012 void __iomem *addr;
1013
1014 debug_enter();
1015 debug("stage: RFU configurations - hard reset comphy\n");
1016 /* RFU configurations - hard reset comphy */
1017 mask = COMMON_PHY_CFG1_PWR_UP_MASK;
1018 data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
1019 mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
1020 data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
1021 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
1022
1023 /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
1024 mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
1025 data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
1026 mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
1027 mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
1028 if (sgmii_speed == PHY_SPEED_1_25G) {
1029 data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
1030 data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
1031 } else {
1032 /* 3.125G */
1033 data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
1034 data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
1035 }
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 |= 1 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
1042 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
1043
1044 /* release from hard reset */
1045 mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
1046 data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
1047 mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
1048 data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
1049 mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
1050 data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
1051 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1052
1053 /* release from hard reset */
1054 mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
1055 data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
1056 mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
1057 data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
1058 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1059
1060
1061 /* Wait 1ms - until band gap and ref clock ready */
1062 mdelay(1);
1063
1064 /* Start comphy Configuration */
1065 debug("stage: Comphy configuration\n");
1066 /* set reference clock */
1067 mask = HPIPE_MISC_REFCLK_SEL_MASK;
1068 data = 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
1069 reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
1070 /* Power and PLL Control */
1071 mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
1072 data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
1073 mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
1074 data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
1075 reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
1076 /* Loopback register */
1077 mask = HPIPE_LOOPBACK_SEL_MASK;
1078 data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET;
1079 reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask);
1080 /* rx control 1 */
1081 mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
1082 data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
1083 mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
1084 data |= 0x0 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
1085 reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
1086 /* DTL Control */
1087 mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
1088 data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
1089 reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
1090
1091 /* Set analog paramters from ETP(HW) - for now use the default datas */
1092 debug("stage: Analog paramters from ETP(HW)\n");
1093
1094 reg_set(hpipe_addr + HPIPE_G1_SET_0_REG,
1095 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET,
1096 HPIPE_G1_SET_0_G1_TX_EMPH1_MASK);
1097
1098 debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
1099 /* SERDES External Configuration */
1100 mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
1101 data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
1102 mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
1103 data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
1104 mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
1105 data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
1106 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
1107
1108 /* check PLL rx & tx ready */
1109 addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
1110 data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
1111 SD_EXTERNAL_STATUS0_PLL_TX_MASK;
1112 mask = data;
1113 data = polling_with_timeout(addr, data, mask, 15000);
1114 if (data != 0) {
1115 debug("Read from reg = %p - value = 0x%x\n",
1116 sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
Masahiro Yamada81e10422017-09-16 14:10:41 +09001117 pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
Stefan Roese648391c2016-08-30 16:48:20 +02001118 (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
1119 (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
1120 ret = 0;
1121 }
1122
1123 /* RX init */
1124 mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
1125 data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
1126 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1127
1128 /* check that RX init done */
1129 addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
1130 data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
1131 mask = data;
1132 data = polling_with_timeout(addr, data, mask, 100);
1133 if (data != 0) {
1134 debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
Masahiro Yamada81e10422017-09-16 14:10:41 +09001135 pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
Stefan Roese648391c2016-08-30 16:48:20 +02001136 ret = 0;
1137 }
1138
1139 debug("stage: RF Reset\n");
1140 /* RF Reset */
1141 mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
1142 data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
1143 mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
1144 data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
1145 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1146
1147 debug_exit();
1148 return ret;
1149}
1150
Stefan Roesedb720b72017-04-24 18:45:21 +03001151static int comphy_sfi_power_up(u32 lane, void __iomem *hpipe_base,
Igal Liberman989b96f2017-04-24 18:45:28 +03001152 void __iomem *comphy_base, u32 speed)
Stefan Roese648391c2016-08-30 16:48:20 +02001153{
1154 u32 mask, data, ret = 1;
1155 void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
1156 void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
1157 void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
1158 void __iomem *addr;
1159
1160 debug_enter();
1161 debug("stage: RFU configurations - hard reset comphy\n");
1162 /* RFU configurations - hard reset comphy */
1163 mask = COMMON_PHY_CFG1_PWR_UP_MASK;
1164 data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
1165 mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
1166 data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
1167 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
1168
1169 /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
1170 mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
1171 data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
1172 mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
1173 data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
1174 mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
1175 data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
1176 mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
1177 data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
1178 mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
1179 data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
1180 mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
1181 data |= 0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
1182 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
1183
1184 /* release from hard reset */
1185 mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
1186 data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
1187 mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
1188 data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
1189 mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
1190 data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
1191 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1192
1193 mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
1194 data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
1195 mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
1196 data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
1197 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1198
1199
1200 /* Wait 1ms - until band gap and ref clock ready */
1201 mdelay(1);
1202
1203 /* Start comphy Configuration */
1204 debug("stage: Comphy configuration\n");
1205 /* set reference clock */
1206 mask = HPIPE_MISC_ICP_FORCE_MASK;
Igal Liberman989b96f2017-04-24 18:45:28 +03001207 data = (speed == PHY_SPEED_5_15625G) ?
1208 (0x0 << HPIPE_MISC_ICP_FORCE_OFFSET) :
1209 (0x1 << HPIPE_MISC_ICP_FORCE_OFFSET);
Stefan Roese648391c2016-08-30 16:48:20 +02001210 mask |= HPIPE_MISC_REFCLK_SEL_MASK;
1211 data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
1212 reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
1213 /* Power and PLL Control */
1214 mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
1215 data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
1216 mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
1217 data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
1218 reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
1219 /* Loopback register */
1220 mask = HPIPE_LOOPBACK_SEL_MASK;
1221 data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET;
1222 reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask);
1223 /* rx control 1 */
1224 mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
1225 data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
1226 mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
1227 data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
1228 reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
1229 /* DTL Control */
1230 mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
1231 data = 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
1232 reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
1233
Igal Liberman989b96f2017-04-24 18:45:28 +03001234 /* Transmitter/Receiver Speed Divider Force */
1235 if (speed == PHY_SPEED_5_15625G) {
1236 mask = HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_MASK;
1237 data = 1 << HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_OFFSET;
1238 mask |= HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_FORCE_MASK;
1239 data |= 1 << HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_FORCE_OFFSET;
1240 mask |= HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_MASK;
1241 data |= 1 << HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_OFFSET;
1242 mask |= HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_FORCE_MASK;
1243 data |= 1 << HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_FORCE_OFFSET;
Igal Liberman980d8092017-04-24 18:45:31 +03001244 } else {
1245 mask = HPIPE_TXDIGCK_DIV_FORCE_MASK;
1246 data = 0x1 << HPIPE_TXDIGCK_DIV_FORCE_OFFSET;
Igal Liberman989b96f2017-04-24 18:45:28 +03001247 }
Igal Liberman980d8092017-04-24 18:45:31 +03001248 reg_set(hpipe_addr + HPIPE_SPD_DIV_FORCE_REG, data, mask);
Igal Liberman989b96f2017-04-24 18:45:28 +03001249
Stefan Roese648391c2016-08-30 16:48:20 +02001250 /* Set analog paramters from ETP(HW) */
1251 debug("stage: Analog paramters from ETP(HW)\n");
1252 /* SERDES External Configuration 2 */
1253 mask = SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK;
1254 data = 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET;
1255 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask);
1256 /* 0x7-DFE Resolution control */
1257 mask = HPIPE_DFE_RES_FORCE_MASK;
1258 data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET;
1259 reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
1260 /* 0xd-G1_Setting_0 */
Igal Liberman989b96f2017-04-24 18:45:28 +03001261 if (speed == PHY_SPEED_5_15625G) {
1262 mask = HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
1263 data = 0x6 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
1264 } else {
1265 mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK;
1266 data = 0x1c << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET;
1267 mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
1268 data |= 0xe << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
1269 }
Stefan Roese648391c2016-08-30 16:48:20 +02001270 reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask);
1271 /* Genration 1 setting 2 (G1_Setting_2) */
1272 mask = HPIPE_G1_SET_2_G1_TX_EMPH0_MASK;
1273 data = 0x0 << HPIPE_G1_SET_2_G1_TX_EMPH0_OFFSET;
1274 mask |= HPIPE_G1_SET_2_G1_TX_EMPH0_EN_MASK;
1275 data |= 0x1 << HPIPE_G1_SET_2_G1_TX_EMPH0_EN_OFFSET;
1276 reg_set(hpipe_addr + HPIPE_G1_SET_2_REG, data, mask);
1277 /* Transmitter Slew Rate Control register (tx_reg1) */
1278 mask = HPIPE_TX_REG1_TX_EMPH_RES_MASK;
1279 data = 0x3 << HPIPE_TX_REG1_TX_EMPH_RES_OFFSET;
1280 mask |= HPIPE_TX_REG1_SLC_EN_MASK;
1281 data |= 0x3f << HPIPE_TX_REG1_SLC_EN_OFFSET;
1282 reg_set(hpipe_addr + HPIPE_TX_REG1_REG, data, mask);
1283 /* Impedance Calibration Control register (cal_reg1) */
1284 mask = HPIPE_CAL_REG_1_EXT_TXIMP_MASK;
1285 data = 0xe << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET;
1286 mask |= HPIPE_CAL_REG_1_EXT_TXIMP_EN_MASK;
1287 data |= 0x1 << HPIPE_CAL_REG_1_EXT_TXIMP_EN_OFFSET;
1288 reg_set(hpipe_addr + HPIPE_CAL_REG1_REG, data, mask);
1289 /* Generation 1 Setting 5 (g1_setting_5) */
1290 mask = HPIPE_G1_SETTING_5_G1_ICP_MASK;
1291 data = 0 << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET;
1292 reg_set(hpipe_addr + HPIPE_G1_SETTING_5_REG, data, mask);
1293 /* 0xE-G1_Setting_1 */
Igal Liberman980d8092017-04-24 18:45:31 +03001294 mask = HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK;
1295 data = 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET;
1296 if (speed == PHY_SPEED_5_15625G) {
1297 mask |= HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
1298 data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
1299 mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
1300 data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
1301 } else {
1302 mask |= HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
1303 data |= 0x2 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
1304 mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
1305 data |= 0x2 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
1306 mask |= HPIPE_G1_SET_1_G1_RX_SELMUFI_MASK;
1307 data |= 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUFI_OFFSET;
1308 mask |= HPIPE_G1_SET_1_G1_RX_SELMUFF_MASK;
1309 data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUFF_OFFSET;
1310 mask |= HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_MASK;
1311 data |= 0x3 << HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_OFFSET;
1312 }
Stefan Roese648391c2016-08-30 16:48:20 +02001313 reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
Igal Liberman980d8092017-04-24 18:45:31 +03001314
Stefan Roese648391c2016-08-30 16:48:20 +02001315 /* 0xA-DFE_Reg3 */
1316 mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
1317 data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
1318 mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
1319 data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
1320 reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
1321
1322 /* 0x111-G1_Setting_4 */
1323 mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK;
1324 data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
1325 reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
1326 /* Genration 1 setting 3 (G1_Setting_3) */
1327 mask = HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_MASK;
1328 data = 0x1 << HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_OFFSET;
Igal Liberman989b96f2017-04-24 18:45:28 +03001329 if (speed == PHY_SPEED_5_15625G) {
1330 /* Force FFE (Feed Forward Equalization) to 5G */
1331 mask |= HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK;
1332 data |= 0xf << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET;
1333 mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK;
1334 data |= 0x4 << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET;
1335 mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK;
1336 data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET;
1337 }
Stefan Roese648391c2016-08-30 16:48:20 +02001338 reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask);
1339
Igal Liberman980d8092017-04-24 18:45:31 +03001340 /* Connfigure RX training timer */
1341 mask = HPIPE_RX_TRAIN_TIMER_MASK;
1342 data = 0x13 << HPIPE_RX_TRAIN_TIMER_OFFSET;
1343 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask);
1344
1345 /* Enable TX train peak to peak hold */
1346 mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK;
1347 data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET;
1348 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask);
1349
1350 /* Configure TX preset index */
1351 mask = HPIPE_TX_PRESET_INDEX_MASK;
1352 data = 0x2 << HPIPE_TX_PRESET_INDEX_OFFSET;
1353 reg_set(hpipe_addr + HPIPE_TX_PRESET_INDEX_REG, data, mask);
1354
1355 /* Disable pattern lock lost timeout */
1356 mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK;
1357 data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET;
1358 reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask);
1359
1360 /* Configure TX training pattern and TX training 16bit auto */
1361 mask = HPIPE_TX_TRAIN_16BIT_AUTO_EN_MASK;
1362 data = 0x1 << HPIPE_TX_TRAIN_16BIT_AUTO_EN_OFFSET;
1363 mask |= HPIPE_TX_TRAIN_PAT_SEL_MASK;
1364 data |= 0x1 << HPIPE_TX_TRAIN_PAT_SEL_OFFSET;
1365 reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask);
1366
1367 /* Configure Training patten number */
1368 mask = HPIPE_TRAIN_PAT_NUM_MASK;
1369 data = 0x88 << HPIPE_TRAIN_PAT_NUM_OFFSET;
1370 reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_0_REG, data, mask);
1371
1372 /* Configure differencial manchester encoter to ethernet mode */
1373 mask = HPIPE_DME_ETHERNET_MODE_MASK;
1374 data = 0x1 << HPIPE_DME_ETHERNET_MODE_OFFSET;
1375 reg_set(hpipe_addr + HPIPE_DME_REG, data, mask);
1376
1377 /* Configure VDD Continuous Calibration */
1378 mask = HPIPE_CAL_VDD_CONT_MODE_MASK;
1379 data = 0x1 << HPIPE_CAL_VDD_CONT_MODE_OFFSET;
1380 reg_set(hpipe_addr + HPIPE_VDD_CAL_0_REG, data, mask);
1381
1382 /* Trigger sampler enable pulse (by toggleing the bit) */
1383 mask = HPIPE_RX_SAMPLER_OS_GAIN_MASK;
1384 data = 0x3 << HPIPE_RX_SAMPLER_OS_GAIN_OFFSET;
1385 mask |= HPIPE_SMAPLER_MASK;
1386 data |= 0x1 << HPIPE_SMAPLER_OFFSET;
1387 reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
1388 mask = HPIPE_SMAPLER_MASK;
1389 data = 0x0 << HPIPE_SMAPLER_OFFSET;
1390 reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
1391
1392 /* Set External RX Regulator Control */
1393 mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
1394 data = 0x1A << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
1395 reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
1396
Stefan Roese648391c2016-08-30 16:48:20 +02001397 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
1407
1408 /* check PLL rx & tx ready */
1409 addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
1410 data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
1411 SD_EXTERNAL_STATUS0_PLL_TX_MASK;
1412 mask = data;
1413 data = polling_with_timeout(addr, data, mask, 15000);
1414 if (data != 0) {
1415 debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
Masahiro Yamada81e10422017-09-16 14:10:41 +09001416 pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
Stefan Roese648391c2016-08-30 16:48:20 +02001417 (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
1418 (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
1419 ret = 0;
1420 }
1421
1422 /* RX init */
1423 mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
1424 data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
1425 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1426
1427
1428 /* check that RX init done */
1429 addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
1430 data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
1431 mask = data;
1432 data = polling_with_timeout(addr, data, mask, 100);
1433 if (data != 0) {
1434 debug("Read from reg = %p - value = 0x%x\n",
1435 sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
Masahiro Yamada81e10422017-09-16 14:10:41 +09001436 pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
Stefan Roese648391c2016-08-30 16:48:20 +02001437 ret = 0;
1438 }
1439
1440 debug("stage: RF Reset\n");
1441 /* RF Reset */
1442 mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
1443 data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
1444 mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
1445 data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
1446 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1447
1448 debug_exit();
1449 return ret;
1450}
1451
1452static int comphy_rxauii_power_up(u32 lane, void __iomem *hpipe_base,
1453 void __iomem *comphy_base)
1454{
1455 u32 mask, data, ret = 1;
1456 void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
1457 void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
1458 void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
1459 void __iomem *addr;
1460
1461 debug_enter();
1462 debug("stage: RFU configurations - hard reset comphy\n");
1463 /* RFU configurations - hard reset comphy */
1464 mask = COMMON_PHY_CFG1_PWR_UP_MASK;
1465 data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
1466 mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
1467 data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
1468 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
1469
1470 if (lane == 2) {
1471 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
1472 0x1 << COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET,
1473 COMMON_PHY_SD_CTRL1_RXAUI0_MASK);
1474 }
1475 if (lane == 4) {
1476 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
1477 0x1 << COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET,
1478 COMMON_PHY_SD_CTRL1_RXAUI1_MASK);
1479 }
1480
1481 /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
1482 mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
1483 data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
1484 mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
1485 data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
1486 mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
1487 data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
1488 mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
1489 data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
1490 mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
1491 data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
1492 mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
1493 data |= 0x0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
1494 mask |= SD_EXTERNAL_CONFIG0_MEDIA_MODE_MASK;
1495 data |= 0x1 << SD_EXTERNAL_CONFIG0_MEDIA_MODE_OFFSET;
1496 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
1497
1498 /* release from hard reset */
1499 mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
1500 data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
1501 mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
1502 data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
1503 mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
1504 data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
1505 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1506
1507 mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
1508 data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
1509 mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
1510 data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
1511 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1512
1513 /* Wait 1ms - until band gap and ref clock ready */
1514 mdelay(1);
1515
1516 /* Start comphy Configuration */
1517 debug("stage: Comphy configuration\n");
1518 /* set reference clock */
1519 reg_set(hpipe_addr + HPIPE_MISC_REG,
1520 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
1521 HPIPE_MISC_REFCLK_SEL_MASK);
1522 /* Power and PLL Control */
1523 mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
1524 data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
1525 mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
1526 data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
1527 reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
1528 /* Loopback register */
1529 reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
1530 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK);
1531 /* rx control 1 */
1532 mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
1533 data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
1534 mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
1535 data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
1536 reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
1537 /* DTL Control */
1538 reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG,
1539 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET,
1540 HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK);
1541
1542 /* Set analog paramters from ETP(HW) */
1543 debug("stage: Analog paramters from ETP(HW)\n");
1544 /* SERDES External Configuration 2 */
1545 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG,
1546 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET,
1547 SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK);
1548 /* 0x7-DFE Resolution control */
1549 reg_set(hpipe_addr + HPIPE_DFE_REG0, 0x1 << HPIPE_DFE_RES_FORCE_OFFSET,
1550 HPIPE_DFE_RES_FORCE_MASK);
1551 /* 0xd-G1_Setting_0 */
1552 reg_set(hpipe_addr + HPIPE_G1_SET_0_REG,
1553 0xd << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET,
1554 HPIPE_G1_SET_0_G1_TX_EMPH1_MASK);
1555 /* 0xE-G1_Setting_1 */
1556 mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
1557 data = 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
1558 mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
1559 data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
1560 mask |= HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK;
1561 data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET;
1562 reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
1563 /* 0xA-DFE_Reg3 */
1564 mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
1565 data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
1566 mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
1567 data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
1568 reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
1569
1570 /* 0x111-G1_Setting_4 */
1571 mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK;
1572 data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
1573 reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
1574
1575 debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
1576 /* SERDES External Configuration */
1577 mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
1578 data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
1579 mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
1580 data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
1581 mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
1582 data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
1583 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
1584
1585
1586 /* check PLL rx & tx ready */
1587 addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
1588 data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
1589 SD_EXTERNAL_STATUS0_PLL_TX_MASK;
1590 mask = data;
1591 data = polling_with_timeout(addr, data, mask, 15000);
1592 if (data != 0) {
1593 debug("Read from reg = %p - value = 0x%x\n",
1594 sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
Masahiro Yamada81e10422017-09-16 14:10:41 +09001595 pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
Stefan Roese648391c2016-08-30 16:48:20 +02001596 (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
1597 (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
1598 ret = 0;
1599 }
1600
1601 /* RX init */
1602 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG,
1603 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET,
1604 SD_EXTERNAL_CONFIG1_RX_INIT_MASK);
1605
1606 /* check that RX init done */
1607 addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
1608 data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
1609 mask = data;
1610 data = polling_with_timeout(addr, data, mask, 100);
1611 if (data != 0) {
1612 debug("Read from reg = %p - value = 0x%x\n",
1613 sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
Masahiro Yamada81e10422017-09-16 14:10:41 +09001614 pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
Stefan Roese648391c2016-08-30 16:48:20 +02001615 ret = 0;
1616 }
1617
1618 debug("stage: RF Reset\n");
1619 /* RF Reset */
1620 mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
1621 data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
1622 mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
1623 data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
1624 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1625
1626 debug_exit();
1627 return ret;
1628}
1629
1630static void comphy_utmi_power_down(u32 utmi_index, void __iomem *utmi_base_addr,
1631 void __iomem *usb_cfg_addr,
1632 void __iomem *utmi_cfg_addr,
1633 u32 utmi_phy_port)
1634{
1635 u32 mask, data;
1636
1637 debug_enter();
1638 debug("stage: UTMI %d - Power down transceiver (power down Phy), Power down PLL, and SuspendDM\n",
1639 utmi_index);
1640 /* Power down UTMI PHY */
1641 reg_set(utmi_cfg_addr, 0x0 << UTMI_PHY_CFG_PU_OFFSET,
1642 UTMI_PHY_CFG_PU_MASK);
1643
1644 /*
1645 * If UTMI connected to USB Device, configure mux prior to PHY init
1646 * (Device can be connected to UTMI0 or to UTMI1)
1647 */
Stefan Roeseb781f572017-04-24 18:45:23 +03001648 if (utmi_phy_port == UTMI_PHY_TO_USB3_DEVICE0) {
Stefan Roese648391c2016-08-30 16:48:20 +02001649 debug("stage: UTMI %d - Enable Device mode and configure UTMI mux\n",
1650 utmi_index);
1651 /* USB3 Device UTMI enable */
1652 mask = UTMI_USB_CFG_DEVICE_EN_MASK;
1653 data = 0x1 << UTMI_USB_CFG_DEVICE_EN_OFFSET;
1654 /* USB3 Device UTMI MUX */
1655 mask |= UTMI_USB_CFG_DEVICE_MUX_MASK;
1656 data |= utmi_index << UTMI_USB_CFG_DEVICE_MUX_OFFSET;
1657 reg_set(usb_cfg_addr, data, mask);
1658 }
1659
1660 /* Set Test suspendm mode */
1661 mask = UTMI_CTRL_STATUS0_SUSPENDM_MASK;
1662 data = 0x1 << UTMI_CTRL_STATUS0_SUSPENDM_OFFSET;
1663 /* Enable Test UTMI select */
1664 mask |= UTMI_CTRL_STATUS0_TEST_SEL_MASK;
1665 data |= 0x1 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET;
1666 reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, data, mask);
1667
1668 /* Wait for UTMI power down */
1669 mdelay(1);
1670
1671 debug_exit();
1672 return;
1673}
1674
1675static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_base_addr,
1676 void __iomem *usb_cfg_addr,
1677 void __iomem *utmi_cfg_addr,
1678 u32 utmi_phy_port)
1679{
1680 u32 mask, data;
1681
1682 debug_exit();
1683 debug("stage: Configure UTMI PHY %d registers\n", utmi_index);
1684 /* Reference Clock Divider Select */
1685 mask = UTMI_PLL_CTRL_REFDIV_MASK;
1686 data = 0x5 << UTMI_PLL_CTRL_REFDIV_OFFSET;
1687 /* Feedback Clock Divider Select - 90 for 25Mhz*/
1688 mask |= UTMI_PLL_CTRL_FBDIV_MASK;
1689 data |= 0x60 << UTMI_PLL_CTRL_FBDIV_OFFSET;
1690 /* Select LPFR - 0x0 for 25Mhz/5=5Mhz*/
1691 mask |= UTMI_PLL_CTRL_SEL_LPFR_MASK;
1692 data |= 0x0 << UTMI_PLL_CTRL_SEL_LPFR_OFFSET;
1693 reg_set(utmi_base_addr + UTMI_PLL_CTRL_REG, data, mask);
1694
1695 /* Impedance Calibration Threshold Setting */
1696 reg_set(utmi_base_addr + UTMI_CALIB_CTRL_REG,
1697 0x6 << UTMI_CALIB_CTRL_IMPCAL_VTH_OFFSET,
1698 UTMI_CALIB_CTRL_IMPCAL_VTH_MASK);
1699
1700 /* Set LS TX driver strength coarse control */
1701 mask = UTMI_TX_CH_CTRL_DRV_EN_LS_MASK;
1702 data = 0x3 << UTMI_TX_CH_CTRL_DRV_EN_LS_OFFSET;
1703 /* Set LS TX driver fine adjustment */
1704 mask |= UTMI_TX_CH_CTRL_IMP_SEL_LS_MASK;
1705 data |= 0x3 << UTMI_TX_CH_CTRL_IMP_SEL_LS_OFFSET;
1706 reg_set(utmi_base_addr + UTMI_TX_CH_CTRL_REG, data, mask);
1707
1708 /* Enable SQ */
1709 mask = UTMI_RX_CH_CTRL0_SQ_DET_MASK;
1710 data = 0x0 << UTMI_RX_CH_CTRL0_SQ_DET_OFFSET;
1711 /* Enable analog squelch detect */
1712 mask |= UTMI_RX_CH_CTRL0_SQ_ANA_DTC_MASK;
1713 data |= 0x1 << UTMI_RX_CH_CTRL0_SQ_ANA_DTC_OFFSET;
1714 reg_set(utmi_base_addr + UTMI_RX_CH_CTRL0_REG, data, mask);
1715
1716 /* Set External squelch calibration number */
1717 mask = UTMI_RX_CH_CTRL1_SQ_AMP_CAL_MASK;
1718 data = 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET;
1719 /* Enable the External squelch calibration */
1720 mask |= UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_MASK;
1721 data |= 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_OFFSET;
1722 reg_set(utmi_base_addr + UTMI_RX_CH_CTRL1_REG, data, mask);
1723
1724 /* Set Control VDAT Reference Voltage - 0.325V */
1725 mask = UTMI_CHGDTC_CTRL_VDAT_MASK;
1726 data = 0x1 << UTMI_CHGDTC_CTRL_VDAT_OFFSET;
1727 /* Set Control VSRC Reference Voltage - 0.6V */
1728 mask |= UTMI_CHGDTC_CTRL_VSRC_MASK;
1729 data |= 0x1 << UTMI_CHGDTC_CTRL_VSRC_OFFSET;
1730 reg_set(utmi_base_addr + UTMI_CHGDTC_CTRL_REG, data, mask);
1731
1732 debug_exit();
1733 return;
1734}
1735
1736static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_base_addr,
1737 void __iomem *usb_cfg_addr,
1738 void __iomem *utmi_cfg_addr, u32 utmi_phy_port)
1739{
1740 u32 data, mask, ret = 1;
1741 void __iomem *addr;
1742
1743 debug_enter();
1744 debug("stage: UTMI %d - Power up transceiver(Power up Phy), and exit SuspendDM\n",
1745 utmi_index);
1746 /* Power UP UTMI PHY */
1747 reg_set(utmi_cfg_addr, 0x1 << UTMI_PHY_CFG_PU_OFFSET,
1748 UTMI_PHY_CFG_PU_MASK);
1749 /* Disable Test UTMI select */
1750 reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG,
1751 0x0 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET,
1752 UTMI_CTRL_STATUS0_TEST_SEL_MASK);
1753
1754 debug("stage: Polling for PLL and impedance calibration done, and PLL ready done\n");
1755 addr = utmi_base_addr + UTMI_CALIB_CTRL_REG;
1756 data = UTMI_CALIB_CTRL_IMPCAL_DONE_MASK;
1757 mask = data;
1758 data = polling_with_timeout(addr, data, mask, 100);
1759 if (data != 0) {
Masahiro Yamada81e10422017-09-16 14:10:41 +09001760 pr_err("Impedance calibration is not done\n");
Stefan Roese648391c2016-08-30 16:48:20 +02001761 debug("Read from reg = %p - value = 0x%x\n", addr, data);
1762 ret = 0;
1763 }
1764
1765 data = UTMI_CALIB_CTRL_PLLCAL_DONE_MASK;
1766 mask = data;
1767 data = polling_with_timeout(addr, data, mask, 100);
1768 if (data != 0) {
Masahiro Yamada81e10422017-09-16 14:10:41 +09001769 pr_err("PLL calibration is not done\n");
Stefan Roese648391c2016-08-30 16:48:20 +02001770 debug("Read from reg = %p - value = 0x%x\n", addr, data);
1771 ret = 0;
1772 }
1773
1774 addr = utmi_base_addr + UTMI_PLL_CTRL_REG;
1775 data = UTMI_PLL_CTRL_PLL_RDY_MASK;
1776 mask = data;
1777 data = polling_with_timeout(addr, data, mask, 100);
1778 if (data != 0) {
Masahiro Yamada81e10422017-09-16 14:10:41 +09001779 pr_err("PLL is not ready\n");
Stefan Roese648391c2016-08-30 16:48:20 +02001780 debug("Read from reg = %p - value = 0x%x\n", addr, data);
1781 ret = 0;
1782 }
1783
1784 if (ret)
1785 debug("Passed\n");
1786 else
1787 debug("\n");
1788
1789 debug_exit();
1790 return ret;
1791}
1792
1793/*
1794 * comphy_utmi_phy_init initialize the UTMI PHY
1795 * the init split in 3 parts:
1796 * 1. Power down transceiver and PLL
1797 * 2. UTMI PHY configure
1798 * 3. Powe up transceiver and PLL
1799 * Note: - Power down/up should be once for both UTMI PHYs
1800 * - comphy_dedicated_phys_init call this function if at least there is
1801 * one UTMI PHY exists in FDT blob. access to cp110_utmi_data[0] is
1802 * legal
1803 */
1804static void comphy_utmi_phy_init(u32 utmi_phy_count,
1805 struct utmi_phy_data *cp110_utmi_data)
1806{
1807 u32 i;
1808
1809 debug_enter();
1810 /* UTMI Power down */
1811 for (i = 0; i < utmi_phy_count; i++) {
1812 comphy_utmi_power_down(i, cp110_utmi_data[i].utmi_base_addr,
1813 cp110_utmi_data[i].usb_cfg_addr,
1814 cp110_utmi_data[i].utmi_cfg_addr,
1815 cp110_utmi_data[i].utmi_phy_port);
1816 }
1817 /* PLL Power down */
1818 debug("stage: UTMI PHY power down PLL\n");
1819 for (i = 0; i < utmi_phy_count; i++) {
1820 reg_set(cp110_utmi_data[i].usb_cfg_addr,
1821 0x0 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
1822 }
1823 /* UTMI configure */
1824 for (i = 0; i < utmi_phy_count; i++) {
1825 comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_base_addr,
1826 cp110_utmi_data[i].usb_cfg_addr,
1827 cp110_utmi_data[i].utmi_cfg_addr,
1828 cp110_utmi_data[i].utmi_phy_port);
1829 }
1830 /* UTMI Power up */
1831 for (i = 0; i < utmi_phy_count; i++) {
1832 if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_base_addr,
1833 cp110_utmi_data[i].usb_cfg_addr,
1834 cp110_utmi_data[i].utmi_cfg_addr,
1835 cp110_utmi_data[i].utmi_phy_port)) {
Masahiro Yamada81e10422017-09-16 14:10:41 +09001836 pr_err("Failed to initialize UTMI PHY %d\n", i);
Stefan Roese648391c2016-08-30 16:48:20 +02001837 continue;
1838 }
1839 printf("UTMI PHY %d initialized to ", i);
Stefan Roeseb781f572017-04-24 18:45:23 +03001840 if (cp110_utmi_data[i].utmi_phy_port ==
1841 UTMI_PHY_TO_USB3_DEVICE0)
Stefan Roese648391c2016-08-30 16:48:20 +02001842 printf("USB Device\n");
1843 else
1844 printf("USB Host%d\n",
1845 cp110_utmi_data[i].utmi_phy_port);
1846 }
1847 /* PLL Power up */
1848 debug("stage: UTMI PHY power up PLL\n");
1849 for (i = 0; i < utmi_phy_count; i++) {
1850 reg_set(cp110_utmi_data[i].usb_cfg_addr,
1851 0x1 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
1852 }
1853
1854 debug_exit();
1855 return;
1856}
1857
1858/*
1859 * comphy_dedicated_phys_init initialize the dedicated PHYs
1860 * - not muxed SerDes lanes e.g. UTMI PHY
1861 */
1862void comphy_dedicated_phys_init(void)
1863{
1864 struct utmi_phy_data cp110_utmi_data[MAX_UTMI_PHY_COUNT];
1865 int node;
1866 int i;
1867
1868 debug_enter();
1869 debug("Initialize USB UTMI PHYs\n");
1870
1871 /* Find the UTMI phy node in device tree and go over them */
1872 node = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
1873 "marvell,mvebu-utmi-2.6.0");
1874
1875 i = 0;
1876 while (node > 0) {
1877 /* get base address of UTMI phy */
1878 cp110_utmi_data[i].utmi_base_addr =
1879 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
1880 gd->fdt_blob, node, "reg", 0, NULL, true);
1881 if (cp110_utmi_data[i].utmi_base_addr == NULL) {
Masahiro Yamada81e10422017-09-16 14:10:41 +09001882 pr_err("UTMI PHY base address is invalid\n");
Stefan Roese648391c2016-08-30 16:48:20 +02001883 i++;
1884 continue;
1885 }
1886
1887 /* get usb config address */
1888 cp110_utmi_data[i].usb_cfg_addr =
1889 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
1890 gd->fdt_blob, node, "reg", 1, NULL, true);
1891 if (cp110_utmi_data[i].usb_cfg_addr == NULL) {
Masahiro Yamada81e10422017-09-16 14:10:41 +09001892 pr_err("UTMI PHY base address is invalid\n");
Stefan Roese648391c2016-08-30 16:48:20 +02001893 i++;
1894 continue;
1895 }
1896
1897 /* get UTMI config address */
1898 cp110_utmi_data[i].utmi_cfg_addr =
1899 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
1900 gd->fdt_blob, node, "reg", 2, NULL, true);
1901 if (cp110_utmi_data[i].utmi_cfg_addr == NULL) {
Masahiro Yamada81e10422017-09-16 14:10:41 +09001902 pr_err("UTMI PHY base address is invalid\n");
Stefan Roese648391c2016-08-30 16:48:20 +02001903 i++;
1904 continue;
1905 }
1906
1907 /*
1908 * get the port number (to check if the utmi connected to
1909 * host/device)
1910 */
1911 cp110_utmi_data[i].utmi_phy_port = fdtdec_get_int(
1912 gd->fdt_blob, node, "utmi-port", UTMI_PHY_INVALID);
1913 if (cp110_utmi_data[i].utmi_phy_port == UTMI_PHY_INVALID) {
Masahiro Yamada81e10422017-09-16 14:10:41 +09001914 pr_err("UTMI PHY port type is invalid\n");
Stefan Roese648391c2016-08-30 16:48:20 +02001915 i++;
1916 continue;
1917 }
1918
1919 node = fdt_node_offset_by_compatible(
1920 gd->fdt_blob, node, "marvell,mvebu-utmi-2.6.0");
1921 i++;
1922 }
1923
1924 if (i > 0)
1925 comphy_utmi_phy_init(i, cp110_utmi_data);
1926
1927 debug_exit();
1928}
1929
1930static void comphy_mux_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
1931 struct comphy_map *serdes_map)
1932{
1933 void __iomem *comphy_base_addr;
1934 struct comphy_map comphy_map_pipe_data[MAX_LANE_OPTIONS];
1935 struct comphy_map comphy_map_phy_data[MAX_LANE_OPTIONS];
1936 u32 lane, comphy_max_count;
1937
1938 comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
1939 comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
1940
1941 /*
1942 * Copy the SerDes map configuration for PIPE map and PHY map
1943 * the comphy_mux_init modify the type of the lane if the type
1944 * is not valid because we have 2 selectores run the
1945 * comphy_mux_init twice and after that update the original
1946 * serdes_map
1947 */
1948 for (lane = 0; lane < comphy_max_count; lane++) {
1949 comphy_map_pipe_data[lane].type = serdes_map[lane].type;
1950 comphy_map_pipe_data[lane].speed = serdes_map[lane].speed;
1951 comphy_map_phy_data[lane].type = serdes_map[lane].type;
1952 comphy_map_phy_data[lane].speed = serdes_map[lane].speed;
1953 }
1954 ptr_chip_cfg->mux_data = cp110_comphy_phy_mux_data;
1955 comphy_mux_init(ptr_chip_cfg, comphy_map_phy_data,
1956 comphy_base_addr + COMMON_SELECTOR_PHY_OFFSET);
1957
1958 ptr_chip_cfg->mux_data = cp110_comphy_pipe_mux_data;
1959 comphy_mux_init(ptr_chip_cfg, comphy_map_pipe_data,
1960 comphy_base_addr + COMMON_SELECTOR_PIPE_OFFSET);
1961 /* Fix the type after check the PHY and PIPE configuration */
1962 for (lane = 0; lane < comphy_max_count; lane++) {
1963 if ((comphy_map_pipe_data[lane].type == PHY_TYPE_UNCONNECTED) &&
1964 (comphy_map_phy_data[lane].type == PHY_TYPE_UNCONNECTED))
1965 serdes_map[lane].type = PHY_TYPE_UNCONNECTED;
1966 }
1967}
1968
1969int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
1970 struct comphy_map *serdes_map)
1971{
1972 struct comphy_map *ptr_comphy_map;
1973 void __iomem *comphy_base_addr, *hpipe_base_addr;
1974 u32 comphy_max_count, lane, ret = 0;
1975 u32 pcie_width = 0;
1976
1977 debug_enter();
1978
1979 comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
1980 comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
1981 hpipe_base_addr = ptr_chip_cfg->hpipe3_base_addr;
1982
1983 /* Config Comphy mux configuration */
1984 comphy_mux_cp110_init(ptr_chip_cfg, serdes_map);
1985
1986 /* Check if the first 4 lanes configured as By-4 */
1987 for (lane = 0, ptr_comphy_map = serdes_map; lane < 4;
1988 lane++, ptr_comphy_map++) {
1989 if (ptr_comphy_map->type != PHY_TYPE_PEX0)
1990 break;
1991 pcie_width++;
1992 }
1993
1994 for (lane = 0, ptr_comphy_map = serdes_map; lane < comphy_max_count;
1995 lane++, ptr_comphy_map++) {
1996 debug("Initialize serdes number %d\n", lane);
1997 debug("Serdes type = 0x%x\n", ptr_comphy_map->type);
1998 if (lane == 4) {
1999 /*
2000 * PCIe lanes above the first 4 lanes, can be only
2001 * by1
2002 */
2003 pcie_width = 1;
2004 }
2005 switch (ptr_comphy_map->type) {
2006 case PHY_TYPE_UNCONNECTED:
Stefan Roesef4fed5c2017-04-24 18:45:24 +03002007 case PHY_TYPE_IGNORE:
Stefan Roese648391c2016-08-30 16:48:20 +02002008 continue;
2009 break;
2010 case PHY_TYPE_PEX0:
2011 case PHY_TYPE_PEX1:
2012 case PHY_TYPE_PEX2:
2013 case PHY_TYPE_PEX3:
2014 ret = comphy_pcie_power_up(
2015 lane, pcie_width, ptr_comphy_map->clk_src,
Stefan Roese2313efe2017-04-24 18:45:22 +03002016 serdes_map->end_point,
Stefan Roese648391c2016-08-30 16:48:20 +02002017 hpipe_base_addr, comphy_base_addr);
2018 break;
2019 case PHY_TYPE_SATA0:
2020 case PHY_TYPE_SATA1:
2021 case PHY_TYPE_SATA2:
2022 case PHY_TYPE_SATA3:
2023 ret = comphy_sata_power_up(
2024 lane, hpipe_base_addr, comphy_base_addr,
Rabeeh Khoury320bd152018-09-06 12:37:48 +03002025 ptr_chip_cfg->cp_index,
2026 serdes_map[lane].invert);
Stefan Roese648391c2016-08-30 16:48:20 +02002027 break;
2028 case PHY_TYPE_USB3_HOST0:
2029 case PHY_TYPE_USB3_HOST1:
2030 case PHY_TYPE_USB3_DEVICE:
2031 ret = comphy_usb3_power_up(lane, hpipe_base_addr,
2032 comphy_base_addr);
2033 break;
2034 case PHY_TYPE_SGMII0:
2035 case PHY_TYPE_SGMII1:
2036 case PHY_TYPE_SGMII2:
2037 case PHY_TYPE_SGMII3:
2038 if (ptr_comphy_map->speed == PHY_SPEED_INVALID) {
2039 debug("Warning: SGMII PHY speed in lane %d is invalid, set PHY speed to 1.25G\n",
2040 lane);
2041 ptr_comphy_map->speed = PHY_SPEED_1_25G;
2042 }
2043 ret = comphy_sgmii_power_up(
2044 lane, ptr_comphy_map->speed, hpipe_base_addr,
2045 comphy_base_addr);
2046 break;
Stefan Roesedb720b72017-04-24 18:45:21 +03002047 case PHY_TYPE_SFI:
2048 ret = comphy_sfi_power_up(lane, hpipe_base_addr,
Igal Liberman989b96f2017-04-24 18:45:28 +03002049 comphy_base_addr,
2050 ptr_comphy_map->speed);
Stefan Roese648391c2016-08-30 16:48:20 +02002051 break;
2052 case PHY_TYPE_RXAUI0:
2053 case PHY_TYPE_RXAUI1:
2054 ret = comphy_rxauii_power_up(lane, hpipe_base_addr,
2055 comphy_base_addr);
2056 break;
2057 default:
2058 debug("Unknown SerDes type, skip initialize SerDes %d\n",
2059 lane);
2060 break;
2061 }
2062 if (ret == 0) {
2063 /*
Stefan Roese4fbca012017-04-24 18:45:25 +03002064 * If interface wans't initialized, set the lane to
Stefan Roese648391c2016-08-30 16:48:20 +02002065 * PHY_TYPE_UNCONNECTED state.
2066 */
2067 ptr_comphy_map->type = PHY_TYPE_UNCONNECTED;
Masahiro Yamada81e10422017-09-16 14:10:41 +09002068 pr_err("PLL is not locked - Failed to initialize lane %d\n",
Stefan Roese648391c2016-08-30 16:48:20 +02002069 lane);
2070 }
2071 }
2072
2073 debug_exit();
2074 return 0;
2075}