blob: 31baa0bb3700d0c5cd90ab7e8b67df69bc476fa6 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Stefan Roesec0132f62016-08-30 16:48:20 +02002/*
3 * Copyright (C) 2015-2016 Marvell International Ltd.
Stefan Roesec0132f62016-08-30 16:48:20 +02004 */
5
6#include <common.h>
7#include <fdtdec.h>
Simon Glassf7ae49f2020-05-10 11:40:05 -06008#include <log.h>
Stefan Roesec0132f62016-08-30 16:48:20 +02009#include <asm/io.h>
Grzegorz Jaszczykb24bb992020-10-18 17:11:11 +030010#include <asm/ptrace.h>
Stefan Roesec0132f62016-08-30 16:48:20 +020011#include <asm/arch/cpu.h>
12#include <asm/arch/soc.h>
Simon Glassc05ed002020-05-10 11:40:11 -060013#include <linux/delay.h>
Stefan Roesec0132f62016-08-30 16:48:20 +020014
Marek BehĂșn4b8cb842018-08-17 12:58:51 +020015#include "comphy_core.h"
Stefan Roesec0132f62016-08-30 16:48:20 +020016#include "comphy_hpipe.h"
17#include "sata.h"
18#include "utmi_phy.h"
19
20DECLARE_GLOBAL_DATA_PTR;
21
22#define SD_ADDR(base, lane) (base + 0x1000 * lane)
23#define HPIPE_ADDR(base, lane) (SD_ADDR(base, lane) + 0x800)
24#define COMPHY_ADDR(base, lane) (base + 0x28 * lane)
25
Grzegorz Jaszczykb24bb992020-10-18 17:11:11 +030026/* Firmware related definitions used for SMC calls */
27#define MV_SIP_COMPHY_POWER_ON 0x82000001
28#define MV_SIP_COMPHY_POWER_OFF 0x82000002
29#define MV_SIP_COMPHY_PLL_LOCK 0x82000003
30
31#define COMPHY_FW_MODE_FORMAT(mode) ((mode) << 12)
32#define COMPHY_FW_FORMAT(mode, idx, speeds) \
33 (((mode) << 12) | ((idx) << 8) | ((speeds) << 2))
34#define COMPHY_SATA_MODE 0x1
35#define COMPHY_SGMII_MODE 0x2 /* SGMII 1G */
36#define COMPHY_HS_SGMII_MODE 0x3 /* SGMII 2.5G */
37#define COMPHY_USB3H_MODE 0x4
38#define COMPHY_USB3D_MODE 0x5
39#define COMPHY_PCIE_MODE 0x6
40#define COMPHY_RXAUI_MODE 0x7
41#define COMPHY_XFI_MODE 0x8
42#define COMPHY_SFI_MODE 0x9
43#define COMPHY_USB3_MODE 0xa
44#define COMPHY_AP_MODE 0xb
45
46/* Comphy unit index macro */
47#define COMPHY_UNIT_ID0 0
48#define COMPHY_UNIT_ID1 1
49#define COMPHY_UNIT_ID2 2
50#define COMPHY_UNIT_ID3 3
51
Stefan Roesec0132f62016-08-30 16:48:20 +020052struct utmi_phy_data {
53 void __iomem *utmi_base_addr;
54 void __iomem *usb_cfg_addr;
55 void __iomem *utmi_cfg_addr;
56 u32 utmi_phy_port;
57};
58
59/*
60 * For CP-110 we have 2 Selector registers "PHY Selectors",
61 * and "PIPE Selectors".
62 * PIPE selector include USB and PCIe options.
63 * PHY selector include the Ethernet and SATA options, every Ethernet
64 * option has different options, for example: serdes lane2 had option
Stefan Roesee7ed9572017-04-24 18:45:29 +030065 * Eth_port_0 that include (SGMII0, RXAUI0, SFI)
Stefan Roesec0132f62016-08-30 16:48:20 +020066 */
67struct comphy_mux_data cp110_comphy_phy_mux_data[] = {
Stefan Roesefdc9e882017-04-24 18:45:27 +030068 {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII1, 0x1}, /* Lane 0 */
69 {PHY_TYPE_SATA1, 0x4} } },
70 {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 1 */
71 {PHY_TYPE_SATA0, 0x4} } },
Stefan Roesec0132f62016-08-30 16:48:20 +020072 {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x1}, /* Lane 2 */
Stefan Roesefdc9e882017-04-24 18:45:27 +030073 {PHY_TYPE_RXAUI0, 0x1}, {PHY_TYPE_SFI, 0x1},
74 {PHY_TYPE_SATA0, 0x4} } },
75 {8, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_RXAUI1, 0x1}, /* Lane 3 */
76 {PHY_TYPE_SGMII1, 0x2}, {PHY_TYPE_SATA1, 0x4} } },
Stefan Roesee7ed9572017-04-24 18:45:29 +030077 {7, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x2}, /* Lane 4 */
Stefan Roesefdc9e882017-04-24 18:45:27 +030078 {PHY_TYPE_RXAUI0, 0x2}, {PHY_TYPE_SFI, 0x2},
Stefan Roesee7ed9572017-04-24 18:45:29 +030079 {PHY_TYPE_SGMII1, 0x1} } },
Stefan Roesefdc9e882017-04-24 18:45:27 +030080 {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 5 */
81 {PHY_TYPE_RXAUI1, 0x2}, {PHY_TYPE_SATA1, 0x4} } },
Stefan Roesec0132f62016-08-30 16:48:20 +020082};
83
84struct comphy_mux_data cp110_comphy_pipe_mux_data[] = {
85 {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX0, 0x4} } }, /* Lane 0 */
86 {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 1 */
87 {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_USB3_DEVICE, 0x2},
88 {PHY_TYPE_PEX0, 0x4} } },
89 {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 2 */
90 {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
91 {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 3 */
92 {PHY_TYPE_USB3_HOST1, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
93 {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 4 */
94 {PHY_TYPE_USB3_HOST1, 0x1},
95 {PHY_TYPE_USB3_DEVICE, 0x2}, {PHY_TYPE_PEX1, 0x4} } },
96 {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX2, 0x4} } }, /* Lane 5 */
97};
98
99static u32 polling_with_timeout(void __iomem *addr, u32 val,
100 u32 mask, unsigned long usec_timout)
101{
102 u32 data;
103
104 do {
105 udelay(1);
106 data = readl(addr) & mask;
107 } while (data != val && --usec_timout > 0);
108
109 if (usec_timout == 0)
110 return data;
111
112 return 0;
113}
114
Stefan Roese7dda98e2017-04-24 18:45:22 +0300115static int comphy_pcie_power_up(u32 lane, u32 pcie_width, bool clk_src,
116 bool is_end_point, void __iomem *hpipe_base,
Stefan Roesec0132f62016-08-30 16:48:20 +0200117 void __iomem *comphy_base)
118{
119 u32 mask, data, ret = 1;
120 void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
121 void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
122 void __iomem *addr;
123 u32 pcie_clk = 0; /* set input by default */
124
125 debug_enter();
126
127 /*
128 * ToDo:
129 * Add SAR (Sample-At-Reset) configuration for the PCIe clock
130 * direction. SAR code is currently not ported from Marvell
131 * U-Boot to mainline version.
132 *
133 * SerDes Lane 4/5 got the PCIe ref-clock #1,
134 * and SerDes Lane 0 got PCIe ref-clock #0
135 */
136 debug("PCIe clock = %x\n", pcie_clk);
Stefan Roese7dda98e2017-04-24 18:45:22 +0300137 debug("PCIe RC = %d\n", !is_end_point);
Stefan Roesec0132f62016-08-30 16:48:20 +0200138 debug("PCIe width = %d\n", pcie_width);
139
140 /* enable PCIe by4 and by2 */
141 if (lane == 0) {
142 if (pcie_width == 4) {
143 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
144 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET,
145 COMMON_PHY_SD_CTRL1_PCIE_X4_EN_MASK);
146 } else if (pcie_width == 2) {
147 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
148 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET,
149 COMMON_PHY_SD_CTRL1_PCIE_X2_EN_MASK);
150 }
151 }
152
153 /*
154 * If PCIe clock is output and clock source from SerDes lane 5,
155 * we need to configure the clock-source MUX.
156 * By default, the clock source is from lane 4
157 */
158 if (pcie_clk && clk_src && (lane == 5)) {
159 reg_set((void __iomem *)DFX_DEV_GEN_CTRL12,
160 0x3 << DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET,
161 DFX_DEV_GEN_PCIE_CLK_SRC_MASK);
162 }
163
164 debug("stage: RFU configurations - hard reset comphy\n");
165 /* RFU configurations - hard reset comphy */
166 mask = COMMON_PHY_CFG1_PWR_UP_MASK;
167 data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
168 mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
169 data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
170 mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
171 data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
172 mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
173 data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
174 mask |= COMMON_PHY_PHY_MODE_MASK;
175 data |= 0x0 << COMMON_PHY_PHY_MODE_OFFSET;
176 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
177
178 /* release from hard reset */
179 mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
180 data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
181 mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
182 data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
183 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
184
185 /* Wait 1ms - until band gap and ref clock ready */
186 mdelay(1);
187 /* Start comphy Configuration */
188 debug("stage: Comphy configuration\n");
189 /* Set PIPE soft reset */
190 mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
191 data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
192 /* Set PHY datapath width mode for V0 */
193 mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
194 data |= 0x1 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
195 /* Set Data bus width USB mode for V0 */
196 mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
197 data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
198 /* Set CORE_CLK output frequency for 250Mhz */
199 mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
200 data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
201 reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
202 /* Set PLL ready delay for 0x2 */
203 data = 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET;
204 mask = HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK;
205 if (pcie_width != 1) {
206 data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_OFFSET;
207 mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_MASK;
208 data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_OFFSET;
209 mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_MASK;
210 }
211 reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG, data, mask);
212
213 /* Set PIPE mode interface to PCIe3 - 0x1 & set lane order */
214 data = 0x1 << HPIPE_CLK_SRC_HI_MODE_PIPE_OFFSET;
215 mask = HPIPE_CLK_SRC_HI_MODE_PIPE_MASK;
216 if (pcie_width != 1) {
217 mask |= HPIPE_CLK_SRC_HI_LANE_STRT_MASK;
218 mask |= HPIPE_CLK_SRC_HI_LANE_MASTER_MASK;
219 mask |= HPIPE_CLK_SRC_HI_LANE_BREAK_MASK;
220 if (lane == 0) {
221 data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_STRT_OFFSET;
222 data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_MASTER_OFFSET;
223 } else if (lane == (pcie_width - 1)) {
224 data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_BREAK_OFFSET;
225 }
226 }
227 reg_set(hpipe_addr + HPIPE_CLK_SRC_HI_REG, data, mask);
228 /* Config update polarity equalization */
229 reg_set(hpipe_addr + HPIPE_LANE_EQ_CFG1_REG,
230 0x1 << HPIPE_CFG_UPDATE_POLARITY_OFFSET,
231 HPIPE_CFG_UPDATE_POLARITY_MASK);
232 /* Set PIPE version 4 to mode enable */
233 reg_set(hpipe_addr + HPIPE_DFE_CTRL_28_REG,
234 0x1 << HPIPE_DFE_CTRL_28_PIPE4_OFFSET,
235 HPIPE_DFE_CTRL_28_PIPE4_MASK);
236 /* TODO: check if pcie clock is output/input - for bringup use input*/
237 /* Enable PIN clock 100M_125M */
238 mask = 0;
239 data = 0;
240 /* Only if clock is output, configure the clock-source mux */
241 if (pcie_clk) {
242 mask |= HPIPE_MISC_CLK100M_125M_MASK;
243 data |= 0x1 << HPIPE_MISC_CLK100M_125M_OFFSET;
244 }
245 /*
246 * Set PIN_TXDCLK_2X Clock Frequency Selection for outputs 500MHz
247 * clock
248 */
249 mask |= HPIPE_MISC_TXDCLK_2X_MASK;
250 data |= 0x0 << HPIPE_MISC_TXDCLK_2X_OFFSET;
251 /* Enable 500MHz Clock */
252 mask |= HPIPE_MISC_CLK500_EN_MASK;
253 data |= 0x1 << HPIPE_MISC_CLK500_EN_OFFSET;
254 if (pcie_clk) { /* output */
255 /* Set reference clock comes from group 1 */
256 mask |= HPIPE_MISC_REFCLK_SEL_MASK;
257 data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
258 } else {
259 /* Set reference clock comes from group 2 */
260 mask |= HPIPE_MISC_REFCLK_SEL_MASK;
261 data |= 0x1 << HPIPE_MISC_REFCLK_SEL_OFFSET;
262 }
Igal Libermanae07a702017-04-24 18:45:33 +0300263 mask |= HPIPE_MISC_ICP_FORCE_MASK;
264 data |= 0x1 << HPIPE_MISC_ICP_FORCE_OFFSET;
Stefan Roesec0132f62016-08-30 16:48:20 +0200265 reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
266 if (pcie_clk) { /* output */
267 /* Set reference frequcency select - 0x2 for 25MHz*/
268 mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
269 data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
270 } else {
271 /* Set reference frequcency select - 0x0 for 100MHz*/
272 mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
273 data = 0x0 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
274 }
275 /* Set PHY mode to PCIe */
276 mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
277 data |= 0x3 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
278 reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
279
280 /* ref clock alignment */
281 if (pcie_width != 1) {
282 mask = HPIPE_LANE_ALIGN_OFF_MASK;
283 data = 0x0 << HPIPE_LANE_ALIGN_OFF_OFFSET;
284 reg_set(hpipe_addr + HPIPE_LANE_ALIGN_REG, data, mask);
285 }
286
287 /*
288 * Set the amount of time spent in the LoZ state - set for 0x7 only if
289 * the PCIe clock is output
290 */
291 if (pcie_clk) {
292 reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL,
293 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET,
294 HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK);
295 }
296
297 /* Set Maximal PHY Generation Setting(8Gbps) */
298 mask = HPIPE_INTERFACE_GEN_MAX_MASK;
299 data = 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET;
Igal Libermanae07a702017-04-24 18:45:33 +0300300 /* Bypass frame detection and sync detection for RX DATA */
301 mask = HPIPE_INTERFACE_DET_BYPASS_MASK;
302 data = 0x1 << HPIPE_INTERFACE_DET_BYPASS_OFFSET;
Stefan Roesec0132f62016-08-30 16:48:20 +0200303 /* Set Link Train Mode (Tx training control pins are used) */
304 mask |= HPIPE_INTERFACE_LINK_TRAIN_MASK;
305 data |= 0x1 << HPIPE_INTERFACE_LINK_TRAIN_OFFSET;
306 reg_set(hpipe_addr + HPIPE_INTERFACE_REG, data, mask);
307
308 /* Set Idle_sync enable */
309 mask = HPIPE_PCIE_IDLE_SYNC_MASK;
310 data = 0x1 << HPIPE_PCIE_IDLE_SYNC_OFFSET;
311 /* Select bits for PCIE Gen3(32bit) */
312 mask |= HPIPE_PCIE_SEL_BITS_MASK;
313 data |= 0x2 << HPIPE_PCIE_SEL_BITS_OFFSET;
314 reg_set(hpipe_addr + HPIPE_PCIE_REG0, data, mask);
315
316 /* Enable Tx_adapt_g1 */
317 mask = HPIPE_TX_TRAIN_CTRL_G1_MASK;
318 data = 0x1 << HPIPE_TX_TRAIN_CTRL_G1_OFFSET;
319 /* Enable Tx_adapt_gn1 */
320 mask |= HPIPE_TX_TRAIN_CTRL_GN1_MASK;
321 data |= 0x1 << HPIPE_TX_TRAIN_CTRL_GN1_OFFSET;
322 /* Disable Tx_adapt_g0 */
323 mask |= HPIPE_TX_TRAIN_CTRL_G0_MASK;
324 data |= 0x0 << HPIPE_TX_TRAIN_CTRL_G0_OFFSET;
325 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask);
326
327 /* Set reg_tx_train_chk_init */
328 mask = HPIPE_TX_TRAIN_CHK_INIT_MASK;
329 data = 0x0 << HPIPE_TX_TRAIN_CHK_INIT_OFFSET;
330 /* Enable TX_COE_FM_PIN_PCIE3_EN */
331 mask |= HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_MASK;
332 data |= 0x1 << HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_OFFSET;
333 reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask);
334
335 debug("stage: TRx training parameters\n");
336 /* Set Preset sweep configurations */
337 mask = HPIPE_TX_TX_STATUS_CHECK_MODE_MASK;
338 data = 0x1 << HPIPE_TX_STATUS_CHECK_MODE_OFFSET;
339
340 mask |= HPIPE_TX_NUM_OF_PRESET_MASK;
341 data |= 0x7 << HPIPE_TX_NUM_OF_PRESET_OFFSET;
342
343 mask |= HPIPE_TX_SWEEP_PRESET_EN_MASK;
344 data |= 0x1 << HPIPE_TX_SWEEP_PRESET_EN_OFFSET;
345 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_11_REG, data, mask);
346
347 /* Tx train start configuration */
348 mask = HPIPE_TX_TRAIN_START_SQ_EN_MASK;
349 data = 0x1 << HPIPE_TX_TRAIN_START_SQ_EN_OFFSET;
350
351 mask |= HPIPE_TX_TRAIN_START_FRM_DET_EN_MASK;
352 data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_DET_EN_OFFSET;
353
354 mask |= HPIPE_TX_TRAIN_START_FRM_LOCK_EN_MASK;
355 data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_LOCK_EN_OFFSET;
356
357 mask |= HPIPE_TX_TRAIN_WAIT_TIME_EN_MASK;
358 data |= 0x1 << HPIPE_TX_TRAIN_WAIT_TIME_EN_OFFSET;
359 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask);
360
361 /* Enable Tx train P2P */
362 mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK;
363 data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET;
364 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask);
365
366 /* Configure Tx train timeout */
367 mask = HPIPE_TRX_TRAIN_TIMER_MASK;
368 data = 0x17 << HPIPE_TRX_TRAIN_TIMER_OFFSET;
369 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_4_REG, data, mask);
370
371 /* Disable G0/G1/GN1 adaptation */
372 mask = HPIPE_TX_TRAIN_CTRL_G1_MASK | HPIPE_TX_TRAIN_CTRL_GN1_MASK
373 | HPIPE_TX_TRAIN_CTRL_G0_OFFSET;
374 data = 0;
375 reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask);
376
377 /* Disable DTL frequency loop */
378 mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
379 data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
380 reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
381
382 /* Configure G3 DFE */
383 mask = HPIPE_G3_DFE_RES_MASK;
384 data = 0x3 << HPIPE_G3_DFE_RES_OFFSET;
385 reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask);
386
Igal Libermanae07a702017-04-24 18:45:33 +0300387 /* Use TX/RX training result for DFE */
Stefan Roesec0132f62016-08-30 16:48:20 +0200388 mask = HPIPE_DFE_RES_FORCE_MASK;
Igal Libermanae07a702017-04-24 18:45:33 +0300389 data = 0x0 << HPIPE_DFE_RES_FORCE_OFFSET;
Stefan Roesec0132f62016-08-30 16:48:20 +0200390 reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
391
392 /* Configure initial and final coefficient value for receiver */
Igal Libermanc01f9fe2017-04-24 18:45:26 +0300393 mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK;
394 data = 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET;
Stefan Roesec0132f62016-08-30 16:48:20 +0200395
Igal Libermanc01f9fe2017-04-24 18:45:26 +0300396 mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK;
397 data |= 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET;
Stefan Roesec0132f62016-08-30 16:48:20 +0200398
Igal Libermanc01f9fe2017-04-24 18:45:26 +0300399 mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK;
400 data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET;
401 reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask);
Stefan Roesec0132f62016-08-30 16:48:20 +0200402
403 /* Trigger sampler enable pulse */
404 mask = HPIPE_SMAPLER_MASK;
405 data = 0x1 << HPIPE_SMAPLER_OFFSET;
406 reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
407 udelay(5);
408 reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, 0, mask);
409
410 /* FFE resistor tuning for different bandwidth */
411 mask = HPIPE_G3_FFE_DEG_RES_LEVEL_MASK;
412 data = 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET;
413
414 mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK;
Igal Libermanae07a702017-04-24 18:45:33 +0300415 data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET;
Stefan Roesec0132f62016-08-30 16:48:20 +0200416 reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask);
417
Igal Libermanae07a702017-04-24 18:45:33 +0300418 /* Pattern lock lost timeout disable */
419 mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK;
420 data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET;
421 reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask);
422
423 /* Configure DFE adaptations */
424 mask = HPIPE_CDR_MAX_DFE_ADAPT_1_MASK;
425 data = 0x1 << HPIPE_CDR_MAX_DFE_ADAPT_1_OFFSET;
426 mask |= HPIPE_CDR_MAX_DFE_ADAPT_0_MASK;
427 data |= 0x0 << HPIPE_CDR_MAX_DFE_ADAPT_0_OFFSET;
428 mask |= HPIPE_CDR_RX_MAX_DFE_ADAPT_1_MASK;
429 data |= 0x0 << HPIPE_CDR_RX_MAX_DFE_ADAPT_1_OFFSET;
430 reg_set(hpipe_addr + HPIPE_CDR_CONTROL_REG, data, mask);
431 mask = HPIPE_DFE_TX_MAX_DFE_ADAPT_MASK;
432 data = 0x0 << HPIPE_DFE_TX_MAX_DFE_ADAPT_OFFSET;
433 reg_set(hpipe_addr + HPIPE_DFE_CONTROL_REG, data, mask);
434
435 /* Genration 2 setting 1*/
436 mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK;
437 data = 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET;
438 mask |= HPIPE_G2_SET_1_G2_RX_SELMUPP_MASK;
439 data |= 0x1 << HPIPE_G2_SET_1_G2_RX_SELMUPP_OFFSET;
440 mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK;
441 data |= 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET;
442 reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask);
443
444 /* DFE enable */
445 mask = HPIPE_G2_DFE_RES_MASK;
446 data = 0x3 << HPIPE_G2_DFE_RES_OFFSET;
447 reg_set(hpipe_addr + HPIPE_G2_SETTINGS_4_REG, data, mask);
448
449 /* Configure DFE Resolution */
450 mask = HPIPE_LANE_CFG4_DFE_EN_SEL_MASK;
451 data = 0x1 << HPIPE_LANE_CFG4_DFE_EN_SEL_OFFSET;
452 reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
453
454 /* VDD calibration control */
455 mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
456 data = 0x16 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
457 reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
458
459 /* Set PLL Charge-pump Current Control */
460 mask = HPIPE_G3_SETTING_5_G3_ICP_MASK;
461 data = 0x4 << HPIPE_G3_SETTING_5_G3_ICP_OFFSET;
462 reg_set(hpipe_addr + HPIPE_G3_SETTING_5_REG, data, mask);
463
464 /* Set lane rqualization remote setting */
465 mask = HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_MASK;
466 data = 0x1 << HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_OFFSET;
467 mask |= HPIPE_LANE_CFG_FOM_ONLY_MODE_MASK;
468 data |= 0x1 << HPIPE_LANE_CFG_FOM_ONLY_MODE_OFFFSET;
469 mask |= HPIPE_LANE_CFG_FOM_PRESET_VECTOR_MASK;
470 data |= 0x2 << HPIPE_LANE_CFG_FOM_PRESET_VECTOR_OFFSET;
471 reg_set(hpipe_addr + HPIPE_LANE_EQ_REMOTE_SETTING_REG, data, mask);
472
Stefan Roese7dda98e2017-04-24 18:45:22 +0300473 if (!is_end_point) {
474 /* Set phy in root complex mode */
475 mask = HPIPE_CFG_PHY_RC_EP_MASK;
476 data = 0x1 << HPIPE_CFG_PHY_RC_EP_OFFSET;
477 reg_set(hpipe_addr + HPIPE_LANE_EQU_CONFIG_0_REG, data, mask);
478 }
Stefan Roesec0132f62016-08-30 16:48:20 +0200479
480 debug("stage: Comphy power up\n");
481
482 /*
483 * For PCIe by4 or by2 - release from reset only after finish to
484 * configure all lanes
485 */
486 if ((pcie_width == 1) || (lane == (pcie_width - 1))) {
487 u32 i, start_lane, end_lane;
488
489 if (pcie_width != 1) {
490 /* allows writing to all lanes in one write */
491 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
492 0x0 <<
493 COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET,
494 COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK);
495 start_lane = 0;
496 end_lane = pcie_width;
497
498 /*
499 * Release from PIPE soft reset
500 * for PCIe by4 or by2 - release from soft reset
501 * all lanes - can't use read modify write
502 */
503 reg_set(HPIPE_ADDR(hpipe_base, 0) +
504 HPIPE_RST_CLK_CTRL_REG, 0x24, 0xffffffff);
505 } else {
506 start_lane = lane;
507 end_lane = lane + 1;
508
509 /*
510 * Release from PIPE soft reset
511 * for PCIe by4 or by2 - release from soft reset
512 * all lanes
513 */
514 reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
515 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
516 HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
517 }
518
519
520 if (pcie_width != 1) {
521 /* disable writing to all lanes with one write */
522 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
523 0x3210 <<
524 COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET,
525 COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK);
526 }
527
528 debug("stage: Check PLL\n");
529 /* Read lane status */
530 for (i = start_lane; i < end_lane; i++) {
531 addr = HPIPE_ADDR(hpipe_base, i) +
532 HPIPE_LANE_STATUS1_REG;
533 data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
534 mask = data;
535 data = polling_with_timeout(addr, data, mask, 15000);
536 if (data != 0) {
537 debug("Read from reg = %p - value = 0x%x\n",
538 hpipe_addr + HPIPE_LANE_STATUS1_REG,
539 data);
Masahiro Yamada9b643e32017-09-16 14:10:41 +0900540 pr_err("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
Stefan Roesec0132f62016-08-30 16:48:20 +0200541 ret = 0;
542 }
543 }
544 }
545
546 debug_exit();
547 return ret;
548}
549
550static int comphy_usb3_power_up(u32 lane, void __iomem *hpipe_base,
551 void __iomem *comphy_base)
552{
553 u32 mask, data, ret = 1;
554 void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
555 void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
556 void __iomem *addr;
557
558 debug_enter();
559 debug("stage: RFU configurations - hard reset comphy\n");
560 /* RFU configurations - hard reset comphy */
561 mask = COMMON_PHY_CFG1_PWR_UP_MASK;
562 data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
563 mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
564 data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
565 mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
566 data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
567 mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
568 data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
569 mask |= COMMON_PHY_PHY_MODE_MASK;
570 data |= 0x1 << COMMON_PHY_PHY_MODE_OFFSET;
571 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
572
573 /* release from hard reset */
574 mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
575 data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
576 mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
577 data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
578 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
579
580 /* Wait 1ms - until band gap and ref clock ready */
581 mdelay(1);
582
583 /* Start comphy Configuration */
584 debug("stage: Comphy configuration\n");
585 /* Set PIPE soft reset */
586 mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
587 data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
588 /* Set PHY datapath width mode for V0 */
589 mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
590 data |= 0x0 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
591 /* Set Data bus width USB mode for V0 */
592 mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
593 data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
594 /* Set CORE_CLK output frequency for 250Mhz */
595 mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
596 data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
597 reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
598 /* Set PLL ready delay for 0x2 */
599 reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG,
600 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET,
601 HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK);
602 /* Set reference clock to come from group 1 - 25Mhz */
603 reg_set(hpipe_addr + HPIPE_MISC_REG,
604 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
605 HPIPE_MISC_REFCLK_SEL_MASK);
606 /* Set reference frequcency select - 0x2 */
607 mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
608 data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
609 /* Set PHY mode to USB - 0x5 */
610 mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
611 data |= 0x5 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
612 reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
613 /* Set the amount of time spent in the LoZ state - set for 0x7 */
614 reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL,
615 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET,
616 HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK);
617 /* Set max PHY generation setting - 5Gbps */
618 reg_set(hpipe_addr + HPIPE_INTERFACE_REG,
619 0x1 << HPIPE_INTERFACE_GEN_MAX_OFFSET,
620 HPIPE_INTERFACE_GEN_MAX_MASK);
621 /* Set select data width 20Bit (SEL_BITS[2:0]) */
622 reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
623 0x1 << HPIPE_LOOPBACK_SEL_OFFSET,
624 HPIPE_LOOPBACK_SEL_MASK);
625 /* select de-emphasize 3.5db */
626 reg_set(hpipe_addr + HPIPE_LANE_CONFIG0_REG,
627 0x1 << HPIPE_LANE_CONFIG0_TXDEEMPH0_OFFSET,
628 HPIPE_LANE_CONFIG0_TXDEEMPH0_MASK);
629 /* override tx margining from the MAC */
630 reg_set(hpipe_addr + HPIPE_TST_MODE_CTRL_REG,
631 0x1 << HPIPE_TST_MODE_CTRL_MODE_MARGIN_OFFSET,
632 HPIPE_TST_MODE_CTRL_MODE_MARGIN_MASK);
633
634 /* Start analog paramters from ETP(HW) */
635 debug("stage: Analog paramters from ETP(HW)\n");
636 /* Set Pin DFE_PAT_DIS -> Bit[1]: PIN_DFE_PAT_DIS = 0x0 */
637 mask = HPIPE_LANE_CFG4_DFE_CTRL_MASK;
638 data = 0x1 << HPIPE_LANE_CFG4_DFE_CTRL_OFFSET;
639 /* Set Override PHY DFE control pins for 0x1 */
640 mask |= HPIPE_LANE_CFG4_DFE_OVER_MASK;
641 data |= 0x1 << HPIPE_LANE_CFG4_DFE_OVER_OFFSET;
642 /* Set Spread Spectrum Clock Enable fot 0x1 */
643 mask |= HPIPE_LANE_CFG4_SSC_CTRL_MASK;
644 data |= 0x1 << HPIPE_LANE_CFG4_SSC_CTRL_OFFSET;
645 reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
646 /* End of analog parameters */
647
648 debug("stage: Comphy power up\n");
649 /* Release from PIPE soft reset */
650 reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
651 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
652 HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
653
654 /* wait 15ms - for comphy calibration done */
655 debug("stage: Check PLL\n");
656 /* Read lane status */
657 addr = hpipe_addr + HPIPE_LANE_STATUS1_REG;
658 data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
659 mask = data;
660 data = polling_with_timeout(addr, data, mask, 15000);
661 if (data != 0) {
662 debug("Read from reg = %p - value = 0x%x\n",
663 hpipe_addr + HPIPE_LANE_STATUS1_REG, data);
Masahiro Yamada9b643e32017-09-16 14:10:41 +0900664 pr_err("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
Stefan Roesec0132f62016-08-30 16:48:20 +0200665 ret = 0;
666 }
667
668 debug_exit();
669 return ret;
670}
671
Grzegorz Jaszczykb24bb992020-10-18 17:11:11 +0300672static int comphy_smc(u32 function_id, void __iomem *comphy_base_addr,
673 u32 lane, u32 mode)
674{
675 struct pt_regs pregs = {0};
676
677 pregs.regs[0] = function_id;
678 pregs.regs[1] = (unsigned long)comphy_base_addr;
679 pregs.regs[2] = lane;
680 pregs.regs[3] = mode;
681
682 smc_call(&pregs);
683
684 /*
685 * TODO: Firmware return 0 on success, temporary map it to u-boot
686 * convention, but after all comphy will be reworked the convention in
687 * u-boot should be change and this conversion removed
688 */
689 return pregs.regs[0] ? 0 : 1;
690}
691
Stefan Roesec0132f62016-08-30 16:48:20 +0200692static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base,
Grzegorz Jaszczykb24bb992020-10-18 17:11:11 +0300693 void __iomem *comphy_base_addr, int cp_index,
694 u32 type)
Stefan Roesec0132f62016-08-30 16:48:20 +0200695{
696 u32 mask, data, i, ret = 1;
Stefan Roesec0132f62016-08-30 16:48:20 +0200697 void __iomem *sata_base = NULL;
698 int sata_node = -1; /* Set to -1 in order to read the first sata node */
699
700 debug_enter();
701
702 /*
703 * Assumption - each CP has only one SATA controller
704 * Calling fdt_node_offset_by_compatible first time (with sata_node = -1
705 * will return the first node always.
706 * In order to parse each CPs SATA node, fdt_node_offset_by_compatible
707 * must be called again (according to the CP id)
708 */
Igal Liberman528213d2017-04-24 18:45:32 +0300709 for (i = 0; i < (cp_index + 1); i++)
Stefan Roesec0132f62016-08-30 16:48:20 +0200710 sata_node = fdt_node_offset_by_compatible(
711 gd->fdt_blob, sata_node, "marvell,armada-8k-ahci");
712
713 if (sata_node == 0) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +0900714 pr_err("SATA node not found in FDT\n");
Stefan Roesec0132f62016-08-30 16:48:20 +0200715 return 0;
716 }
717
718 sata_base = (void __iomem *)fdtdec_get_addr_size_auto_noparent(
719 gd->fdt_blob, sata_node, "reg", 0, NULL, true);
720 if (sata_base == NULL) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +0900721 pr_err("SATA address not found in FDT\n");
Stefan Roesec0132f62016-08-30 16:48:20 +0200722 return 0;
723 }
724
725 debug("SATA address found in FDT %p\n", sata_base);
726
727 debug("stage: MAC configuration - power down comphy\n");
728 /*
729 * MAC configuration powe down comphy use indirect address for
730 * vendor spesific SATA control register
731 */
732 reg_set(sata_base + SATA3_VENDOR_ADDRESS,
733 SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
734 SATA3_VENDOR_ADDR_MASK);
735 /* SATA 0 power down */
736 mask = SATA3_CTRL_SATA0_PD_MASK;
737 data = 0x1 << SATA3_CTRL_SATA0_PD_OFFSET;
738 /* SATA 1 power down */
739 mask |= SATA3_CTRL_SATA1_PD_MASK;
740 data |= 0x1 << SATA3_CTRL_SATA1_PD_OFFSET;
741 /* SATA SSU disable */
742 mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
743 data |= 0x0 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
744 /* SATA port 1 disable */
745 mask |= SATA3_CTRL_SATA_SSU_MASK;
746 data |= 0x0 << SATA3_CTRL_SATA_SSU_OFFSET;
747 reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
748
Grzegorz Jaszczykb24bb992020-10-18 17:11:11 +0300749 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON, comphy_base_addr, lane, type);
Stefan Roesec0132f62016-08-30 16:48:20 +0200750
Stefan Roesec0132f62016-08-30 16:48:20 +0200751 /*
752 * MAC configuration power up comphy - power up PLL/TX/RX
753 * use indirect address for vendor spesific SATA control register
754 */
755 reg_set(sata_base + SATA3_VENDOR_ADDRESS,
756 SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
757 SATA3_VENDOR_ADDR_MASK);
758 /* SATA 0 power up */
759 mask = SATA3_CTRL_SATA0_PD_MASK;
760 data = 0x0 << SATA3_CTRL_SATA0_PD_OFFSET;
761 /* SATA 1 power up */
762 mask |= SATA3_CTRL_SATA1_PD_MASK;
763 data |= 0x0 << SATA3_CTRL_SATA1_PD_OFFSET;
764 /* SATA SSU enable */
765 mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
766 data |= 0x1 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
767 /* SATA port 1 enable */
768 mask |= SATA3_CTRL_SATA_SSU_MASK;
769 data |= 0x1 << SATA3_CTRL_SATA_SSU_OFFSET;
770 reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
771
772 /* MBUS request size and interface select register */
773 reg_set(sata_base + SATA3_VENDOR_ADDRESS,
774 SATA_MBUS_SIZE_SELECT_REG << SATA3_VENDOR_ADDR_OFSSET,
775 SATA3_VENDOR_ADDR_MASK);
776 /* Mbus regret enable */
777 reg_set(sata_base + SATA3_VENDOR_DATA,
778 0x1 << SATA_MBUS_REGRET_EN_OFFSET, SATA_MBUS_REGRET_EN_MASK);
779
Grzegorz Jaszczykb24bb992020-10-18 17:11:11 +0300780 ret = comphy_smc(MV_SIP_COMPHY_PLL_LOCK, comphy_base_addr, lane, type);
Stefan Roesec0132f62016-08-30 16:48:20 +0200781
782 debug_exit();
783 return ret;
784}
785
786static int comphy_rxauii_power_up(u32 lane, void __iomem *hpipe_base,
787 void __iomem *comphy_base)
788{
789 u32 mask, data, ret = 1;
790 void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
791 void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
792 void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
793 void __iomem *addr;
794
795 debug_enter();
796 debug("stage: RFU configurations - hard reset comphy\n");
797 /* RFU configurations - hard reset comphy */
798 mask = COMMON_PHY_CFG1_PWR_UP_MASK;
799 data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
800 mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
801 data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
802 reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
803
804 if (lane == 2) {
805 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
806 0x1 << COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET,
807 COMMON_PHY_SD_CTRL1_RXAUI0_MASK);
808 }
809 if (lane == 4) {
810 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
811 0x1 << COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET,
812 COMMON_PHY_SD_CTRL1_RXAUI1_MASK);
813 }
814
815 /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
816 mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
817 data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
818 mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
819 data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
820 mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
821 data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
822 mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
823 data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
824 mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
825 data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
826 mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
827 data |= 0x0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
828 mask |= SD_EXTERNAL_CONFIG0_MEDIA_MODE_MASK;
829 data |= 0x1 << SD_EXTERNAL_CONFIG0_MEDIA_MODE_OFFSET;
830 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
831
832 /* release from hard reset */
833 mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
834 data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
835 mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
836 data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
837 mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
838 data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
839 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
840
841 mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
842 data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
843 mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
844 data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
845 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
846
847 /* Wait 1ms - until band gap and ref clock ready */
848 mdelay(1);
849
850 /* Start comphy Configuration */
851 debug("stage: Comphy configuration\n");
852 /* set reference clock */
853 reg_set(hpipe_addr + HPIPE_MISC_REG,
854 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
855 HPIPE_MISC_REFCLK_SEL_MASK);
856 /* Power and PLL Control */
857 mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
858 data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
859 mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
860 data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
861 reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
862 /* Loopback register */
863 reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
864 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK);
865 /* rx control 1 */
866 mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
867 data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
868 mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
869 data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
870 reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
871 /* DTL Control */
872 reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG,
873 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET,
874 HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK);
875
876 /* Set analog paramters from ETP(HW) */
877 debug("stage: Analog paramters from ETP(HW)\n");
878 /* SERDES External Configuration 2 */
879 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG,
880 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET,
881 SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK);
882 /* 0x7-DFE Resolution control */
883 reg_set(hpipe_addr + HPIPE_DFE_REG0, 0x1 << HPIPE_DFE_RES_FORCE_OFFSET,
884 HPIPE_DFE_RES_FORCE_MASK);
885 /* 0xd-G1_Setting_0 */
886 reg_set(hpipe_addr + HPIPE_G1_SET_0_REG,
887 0xd << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET,
888 HPIPE_G1_SET_0_G1_TX_EMPH1_MASK);
889 /* 0xE-G1_Setting_1 */
890 mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
891 data = 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
892 mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
893 data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
894 mask |= HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK;
895 data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET;
896 reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
897 /* 0xA-DFE_Reg3 */
898 mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
899 data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
900 mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
901 data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
902 reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
903
904 /* 0x111-G1_Setting_4 */
905 mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK;
906 data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
907 reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
908
909 debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
910 /* SERDES External Configuration */
911 mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
912 data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
913 mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
914 data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
915 mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
916 data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
917 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
918
919
920 /* check PLL rx & tx ready */
921 addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
922 data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
923 SD_EXTERNAL_STATUS0_PLL_TX_MASK;
924 mask = data;
925 data = polling_with_timeout(addr, data, mask, 15000);
926 if (data != 0) {
927 debug("Read from reg = %p - value = 0x%x\n",
928 sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
Masahiro Yamada9b643e32017-09-16 14:10:41 +0900929 pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
Stefan Roesec0132f62016-08-30 16:48:20 +0200930 (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
931 (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
932 ret = 0;
933 }
934
935 /* RX init */
936 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG,
937 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET,
938 SD_EXTERNAL_CONFIG1_RX_INIT_MASK);
939
940 /* check that RX init done */
941 addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
942 data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
943 mask = data;
944 data = polling_with_timeout(addr, data, mask, 100);
945 if (data != 0) {
946 debug("Read from reg = %p - value = 0x%x\n",
947 sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
Masahiro Yamada9b643e32017-09-16 14:10:41 +0900948 pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
Stefan Roesec0132f62016-08-30 16:48:20 +0200949 ret = 0;
950 }
951
952 debug("stage: RF Reset\n");
953 /* RF Reset */
954 mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
955 data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
956 mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
957 data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
958 reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
959
960 debug_exit();
961 return ret;
962}
963
964static void comphy_utmi_power_down(u32 utmi_index, void __iomem *utmi_base_addr,
965 void __iomem *usb_cfg_addr,
966 void __iomem *utmi_cfg_addr,
967 u32 utmi_phy_port)
968{
969 u32 mask, data;
970
971 debug_enter();
972 debug("stage: UTMI %d - Power down transceiver (power down Phy), Power down PLL, and SuspendDM\n",
973 utmi_index);
974 /* Power down UTMI PHY */
975 reg_set(utmi_cfg_addr, 0x0 << UTMI_PHY_CFG_PU_OFFSET,
976 UTMI_PHY_CFG_PU_MASK);
977
978 /*
979 * If UTMI connected to USB Device, configure mux prior to PHY init
980 * (Device can be connected to UTMI0 or to UTMI1)
981 */
Stefan Roesee89acc42017-04-24 18:45:23 +0300982 if (utmi_phy_port == UTMI_PHY_TO_USB3_DEVICE0) {
Stefan Roesec0132f62016-08-30 16:48:20 +0200983 debug("stage: UTMI %d - Enable Device mode and configure UTMI mux\n",
984 utmi_index);
985 /* USB3 Device UTMI enable */
986 mask = UTMI_USB_CFG_DEVICE_EN_MASK;
987 data = 0x1 << UTMI_USB_CFG_DEVICE_EN_OFFSET;
988 /* USB3 Device UTMI MUX */
989 mask |= UTMI_USB_CFG_DEVICE_MUX_MASK;
990 data |= utmi_index << UTMI_USB_CFG_DEVICE_MUX_OFFSET;
991 reg_set(usb_cfg_addr, data, mask);
992 }
993
994 /* Set Test suspendm mode */
995 mask = UTMI_CTRL_STATUS0_SUSPENDM_MASK;
996 data = 0x1 << UTMI_CTRL_STATUS0_SUSPENDM_OFFSET;
997 /* Enable Test UTMI select */
998 mask |= UTMI_CTRL_STATUS0_TEST_SEL_MASK;
999 data |= 0x1 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET;
1000 reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, data, mask);
1001
1002 /* Wait for UTMI power down */
1003 mdelay(1);
1004
1005 debug_exit();
1006 return;
1007}
1008
1009static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_base_addr,
1010 void __iomem *usb_cfg_addr,
1011 void __iomem *utmi_cfg_addr,
1012 u32 utmi_phy_port)
1013{
1014 u32 mask, data;
1015
1016 debug_exit();
1017 debug("stage: Configure UTMI PHY %d registers\n", utmi_index);
1018 /* Reference Clock Divider Select */
1019 mask = UTMI_PLL_CTRL_REFDIV_MASK;
1020 data = 0x5 << UTMI_PLL_CTRL_REFDIV_OFFSET;
1021 /* Feedback Clock Divider Select - 90 for 25Mhz*/
1022 mask |= UTMI_PLL_CTRL_FBDIV_MASK;
1023 data |= 0x60 << UTMI_PLL_CTRL_FBDIV_OFFSET;
1024 /* Select LPFR - 0x0 for 25Mhz/5=5Mhz*/
1025 mask |= UTMI_PLL_CTRL_SEL_LPFR_MASK;
1026 data |= 0x0 << UTMI_PLL_CTRL_SEL_LPFR_OFFSET;
1027 reg_set(utmi_base_addr + UTMI_PLL_CTRL_REG, data, mask);
1028
1029 /* Impedance Calibration Threshold Setting */
1030 reg_set(utmi_base_addr + UTMI_CALIB_CTRL_REG,
1031 0x6 << UTMI_CALIB_CTRL_IMPCAL_VTH_OFFSET,
1032 UTMI_CALIB_CTRL_IMPCAL_VTH_MASK);
1033
1034 /* Set LS TX driver strength coarse control */
1035 mask = UTMI_TX_CH_CTRL_DRV_EN_LS_MASK;
1036 data = 0x3 << UTMI_TX_CH_CTRL_DRV_EN_LS_OFFSET;
1037 /* Set LS TX driver fine adjustment */
1038 mask |= UTMI_TX_CH_CTRL_IMP_SEL_LS_MASK;
1039 data |= 0x3 << UTMI_TX_CH_CTRL_IMP_SEL_LS_OFFSET;
1040 reg_set(utmi_base_addr + UTMI_TX_CH_CTRL_REG, data, mask);
1041
1042 /* Enable SQ */
1043 mask = UTMI_RX_CH_CTRL0_SQ_DET_MASK;
1044 data = 0x0 << UTMI_RX_CH_CTRL0_SQ_DET_OFFSET;
1045 /* Enable analog squelch detect */
1046 mask |= UTMI_RX_CH_CTRL0_SQ_ANA_DTC_MASK;
1047 data |= 0x1 << UTMI_RX_CH_CTRL0_SQ_ANA_DTC_OFFSET;
1048 reg_set(utmi_base_addr + UTMI_RX_CH_CTRL0_REG, data, mask);
1049
1050 /* Set External squelch calibration number */
1051 mask = UTMI_RX_CH_CTRL1_SQ_AMP_CAL_MASK;
1052 data = 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET;
1053 /* Enable the External squelch calibration */
1054 mask |= UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_MASK;
1055 data |= 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_OFFSET;
1056 reg_set(utmi_base_addr + UTMI_RX_CH_CTRL1_REG, data, mask);
1057
1058 /* Set Control VDAT Reference Voltage - 0.325V */
1059 mask = UTMI_CHGDTC_CTRL_VDAT_MASK;
1060 data = 0x1 << UTMI_CHGDTC_CTRL_VDAT_OFFSET;
1061 /* Set Control VSRC Reference Voltage - 0.6V */
1062 mask |= UTMI_CHGDTC_CTRL_VSRC_MASK;
1063 data |= 0x1 << UTMI_CHGDTC_CTRL_VSRC_OFFSET;
1064 reg_set(utmi_base_addr + UTMI_CHGDTC_CTRL_REG, data, mask);
1065
1066 debug_exit();
1067 return;
1068}
1069
1070static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_base_addr,
1071 void __iomem *usb_cfg_addr,
1072 void __iomem *utmi_cfg_addr, u32 utmi_phy_port)
1073{
1074 u32 data, mask, ret = 1;
1075 void __iomem *addr;
1076
1077 debug_enter();
1078 debug("stage: UTMI %d - Power up transceiver(Power up Phy), and exit SuspendDM\n",
1079 utmi_index);
1080 /* Power UP UTMI PHY */
1081 reg_set(utmi_cfg_addr, 0x1 << UTMI_PHY_CFG_PU_OFFSET,
1082 UTMI_PHY_CFG_PU_MASK);
1083 /* Disable Test UTMI select */
1084 reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG,
1085 0x0 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET,
1086 UTMI_CTRL_STATUS0_TEST_SEL_MASK);
1087
1088 debug("stage: Polling for PLL and impedance calibration done, and PLL ready done\n");
1089 addr = utmi_base_addr + UTMI_CALIB_CTRL_REG;
1090 data = UTMI_CALIB_CTRL_IMPCAL_DONE_MASK;
1091 mask = data;
1092 data = polling_with_timeout(addr, data, mask, 100);
1093 if (data != 0) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +09001094 pr_err("Impedance calibration is not done\n");
Stefan Roesec0132f62016-08-30 16:48:20 +02001095 debug("Read from reg = %p - value = 0x%x\n", addr, data);
1096 ret = 0;
1097 }
1098
1099 data = UTMI_CALIB_CTRL_PLLCAL_DONE_MASK;
1100 mask = data;
1101 data = polling_with_timeout(addr, data, mask, 100);
1102 if (data != 0) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +09001103 pr_err("PLL calibration is not done\n");
Stefan Roesec0132f62016-08-30 16:48:20 +02001104 debug("Read from reg = %p - value = 0x%x\n", addr, data);
1105 ret = 0;
1106 }
1107
1108 addr = utmi_base_addr + UTMI_PLL_CTRL_REG;
1109 data = UTMI_PLL_CTRL_PLL_RDY_MASK;
1110 mask = data;
1111 data = polling_with_timeout(addr, data, mask, 100);
1112 if (data != 0) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +09001113 pr_err("PLL is not ready\n");
Stefan Roesec0132f62016-08-30 16:48:20 +02001114 debug("Read from reg = %p - value = 0x%x\n", addr, data);
1115 ret = 0;
1116 }
1117
1118 if (ret)
1119 debug("Passed\n");
1120 else
1121 debug("\n");
1122
1123 debug_exit();
1124 return ret;
1125}
1126
1127/*
1128 * comphy_utmi_phy_init initialize the UTMI PHY
1129 * the init split in 3 parts:
1130 * 1. Power down transceiver and PLL
1131 * 2. UTMI PHY configure
1132 * 3. Powe up transceiver and PLL
1133 * Note: - Power down/up should be once for both UTMI PHYs
1134 * - comphy_dedicated_phys_init call this function if at least there is
1135 * one UTMI PHY exists in FDT blob. access to cp110_utmi_data[0] is
1136 * legal
1137 */
1138static void comphy_utmi_phy_init(u32 utmi_phy_count,
1139 struct utmi_phy_data *cp110_utmi_data)
1140{
1141 u32 i;
1142
1143 debug_enter();
1144 /* UTMI Power down */
1145 for (i = 0; i < utmi_phy_count; i++) {
1146 comphy_utmi_power_down(i, cp110_utmi_data[i].utmi_base_addr,
1147 cp110_utmi_data[i].usb_cfg_addr,
1148 cp110_utmi_data[i].utmi_cfg_addr,
1149 cp110_utmi_data[i].utmi_phy_port);
1150 }
1151 /* PLL Power down */
1152 debug("stage: UTMI PHY power down PLL\n");
1153 for (i = 0; i < utmi_phy_count; i++) {
1154 reg_set(cp110_utmi_data[i].usb_cfg_addr,
1155 0x0 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
1156 }
1157 /* UTMI configure */
1158 for (i = 0; i < utmi_phy_count; i++) {
1159 comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_base_addr,
1160 cp110_utmi_data[i].usb_cfg_addr,
1161 cp110_utmi_data[i].utmi_cfg_addr,
1162 cp110_utmi_data[i].utmi_phy_port);
1163 }
1164 /* UTMI Power up */
1165 for (i = 0; i < utmi_phy_count; i++) {
1166 if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_base_addr,
1167 cp110_utmi_data[i].usb_cfg_addr,
1168 cp110_utmi_data[i].utmi_cfg_addr,
1169 cp110_utmi_data[i].utmi_phy_port)) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +09001170 pr_err("Failed to initialize UTMI PHY %d\n", i);
Stefan Roesec0132f62016-08-30 16:48:20 +02001171 continue;
1172 }
1173 printf("UTMI PHY %d initialized to ", i);
Stefan Roesee89acc42017-04-24 18:45:23 +03001174 if (cp110_utmi_data[i].utmi_phy_port ==
1175 UTMI_PHY_TO_USB3_DEVICE0)
Stefan Roesec0132f62016-08-30 16:48:20 +02001176 printf("USB Device\n");
1177 else
1178 printf("USB Host%d\n",
1179 cp110_utmi_data[i].utmi_phy_port);
1180 }
1181 /* PLL Power up */
1182 debug("stage: UTMI PHY power up PLL\n");
1183 for (i = 0; i < utmi_phy_count; i++) {
1184 reg_set(cp110_utmi_data[i].usb_cfg_addr,
1185 0x1 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
1186 }
1187
1188 debug_exit();
1189 return;
1190}
1191
1192/*
1193 * comphy_dedicated_phys_init initialize the dedicated PHYs
1194 * - not muxed SerDes lanes e.g. UTMI PHY
1195 */
1196void comphy_dedicated_phys_init(void)
1197{
1198 struct utmi_phy_data cp110_utmi_data[MAX_UTMI_PHY_COUNT];
1199 int node;
1200 int i;
1201
1202 debug_enter();
1203 debug("Initialize USB UTMI PHYs\n");
1204
1205 /* Find the UTMI phy node in device tree and go over them */
1206 node = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
1207 "marvell,mvebu-utmi-2.6.0");
1208
1209 i = 0;
1210 while (node > 0) {
1211 /* get base address of UTMI phy */
1212 cp110_utmi_data[i].utmi_base_addr =
1213 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
1214 gd->fdt_blob, node, "reg", 0, NULL, true);
1215 if (cp110_utmi_data[i].utmi_base_addr == NULL) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +09001216 pr_err("UTMI PHY base address is invalid\n");
Stefan Roesec0132f62016-08-30 16:48:20 +02001217 i++;
1218 continue;
1219 }
1220
1221 /* get usb config address */
1222 cp110_utmi_data[i].usb_cfg_addr =
1223 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
1224 gd->fdt_blob, node, "reg", 1, NULL, true);
1225 if (cp110_utmi_data[i].usb_cfg_addr == NULL) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +09001226 pr_err("UTMI PHY base address is invalid\n");
Stefan Roesec0132f62016-08-30 16:48:20 +02001227 i++;
1228 continue;
1229 }
1230
1231 /* get UTMI config address */
1232 cp110_utmi_data[i].utmi_cfg_addr =
1233 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
1234 gd->fdt_blob, node, "reg", 2, NULL, true);
1235 if (cp110_utmi_data[i].utmi_cfg_addr == NULL) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +09001236 pr_err("UTMI PHY base address is invalid\n");
Stefan Roesec0132f62016-08-30 16:48:20 +02001237 i++;
1238 continue;
1239 }
1240
1241 /*
1242 * get the port number (to check if the utmi connected to
1243 * host/device)
1244 */
1245 cp110_utmi_data[i].utmi_phy_port = fdtdec_get_int(
1246 gd->fdt_blob, node, "utmi-port", UTMI_PHY_INVALID);
1247 if (cp110_utmi_data[i].utmi_phy_port == UTMI_PHY_INVALID) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +09001248 pr_err("UTMI PHY port type is invalid\n");
Stefan Roesec0132f62016-08-30 16:48:20 +02001249 i++;
1250 continue;
1251 }
1252
1253 node = fdt_node_offset_by_compatible(
1254 gd->fdt_blob, node, "marvell,mvebu-utmi-2.6.0");
1255 i++;
1256 }
1257
1258 if (i > 0)
1259 comphy_utmi_phy_init(i, cp110_utmi_data);
1260
1261 debug_exit();
1262}
1263
1264static void comphy_mux_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
1265 struct comphy_map *serdes_map)
1266{
1267 void __iomem *comphy_base_addr;
1268 struct comphy_map comphy_map_pipe_data[MAX_LANE_OPTIONS];
1269 struct comphy_map comphy_map_phy_data[MAX_LANE_OPTIONS];
1270 u32 lane, comphy_max_count;
1271
1272 comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
1273 comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
1274
1275 /*
1276 * Copy the SerDes map configuration for PIPE map and PHY map
1277 * the comphy_mux_init modify the type of the lane if the type
1278 * is not valid because we have 2 selectores run the
1279 * comphy_mux_init twice and after that update the original
1280 * serdes_map
1281 */
1282 for (lane = 0; lane < comphy_max_count; lane++) {
1283 comphy_map_pipe_data[lane].type = serdes_map[lane].type;
1284 comphy_map_pipe_data[lane].speed = serdes_map[lane].speed;
1285 comphy_map_phy_data[lane].type = serdes_map[lane].type;
1286 comphy_map_phy_data[lane].speed = serdes_map[lane].speed;
1287 }
1288 ptr_chip_cfg->mux_data = cp110_comphy_phy_mux_data;
1289 comphy_mux_init(ptr_chip_cfg, comphy_map_phy_data,
1290 comphy_base_addr + COMMON_SELECTOR_PHY_OFFSET);
1291
1292 ptr_chip_cfg->mux_data = cp110_comphy_pipe_mux_data;
1293 comphy_mux_init(ptr_chip_cfg, comphy_map_pipe_data,
1294 comphy_base_addr + COMMON_SELECTOR_PIPE_OFFSET);
1295 /* Fix the type after check the PHY and PIPE configuration */
1296 for (lane = 0; lane < comphy_max_count; lane++) {
1297 if ((comphy_map_pipe_data[lane].type == PHY_TYPE_UNCONNECTED) &&
1298 (comphy_map_phy_data[lane].type == PHY_TYPE_UNCONNECTED))
1299 serdes_map[lane].type = PHY_TYPE_UNCONNECTED;
1300 }
1301}
1302
1303int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
1304 struct comphy_map *serdes_map)
1305{
1306 struct comphy_map *ptr_comphy_map;
1307 void __iomem *comphy_base_addr, *hpipe_base_addr;
1308 u32 comphy_max_count, lane, ret = 0;
1309 u32 pcie_width = 0;
Grzegorz Jaszczykb24bb992020-10-18 17:11:11 +03001310 u32 mode;
Stefan Roesec0132f62016-08-30 16:48:20 +02001311
1312 debug_enter();
1313
1314 comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
1315 comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
1316 hpipe_base_addr = ptr_chip_cfg->hpipe3_base_addr;
1317
1318 /* Config Comphy mux configuration */
1319 comphy_mux_cp110_init(ptr_chip_cfg, serdes_map);
1320
1321 /* Check if the first 4 lanes configured as By-4 */
1322 for (lane = 0, ptr_comphy_map = serdes_map; lane < 4;
1323 lane++, ptr_comphy_map++) {
1324 if (ptr_comphy_map->type != PHY_TYPE_PEX0)
1325 break;
1326 pcie_width++;
1327 }
1328
1329 for (lane = 0, ptr_comphy_map = serdes_map; lane < comphy_max_count;
1330 lane++, ptr_comphy_map++) {
1331 debug("Initialize serdes number %d\n", lane);
1332 debug("Serdes type = 0x%x\n", ptr_comphy_map->type);
1333 if (lane == 4) {
1334 /*
1335 * PCIe lanes above the first 4 lanes, can be only
1336 * by1
1337 */
1338 pcie_width = 1;
1339 }
1340 switch (ptr_comphy_map->type) {
1341 case PHY_TYPE_UNCONNECTED:
Stefan Roese6ecc0b12017-04-24 18:45:24 +03001342 case PHY_TYPE_IGNORE:
Stefan Roesec0132f62016-08-30 16:48:20 +02001343 continue;
1344 break;
1345 case PHY_TYPE_PEX0:
1346 case PHY_TYPE_PEX1:
1347 case PHY_TYPE_PEX2:
1348 case PHY_TYPE_PEX3:
1349 ret = comphy_pcie_power_up(
1350 lane, pcie_width, ptr_comphy_map->clk_src,
Stefan Roese7dda98e2017-04-24 18:45:22 +03001351 serdes_map->end_point,
Stefan Roesec0132f62016-08-30 16:48:20 +02001352 hpipe_base_addr, comphy_base_addr);
1353 break;
1354 case PHY_TYPE_SATA0:
1355 case PHY_TYPE_SATA1:
1356 case PHY_TYPE_SATA2:
1357 case PHY_TYPE_SATA3:
Grzegorz Jaszczykb24bb992020-10-18 17:11:11 +03001358 mode = COMPHY_FW_MODE_FORMAT(COMPHY_SATA_MODE);
1359 ret = comphy_sata_power_up(lane, hpipe_base_addr,
1360 comphy_base_addr,
1361 ptr_chip_cfg->cp_index,
1362 mode);
Stefan Roesec0132f62016-08-30 16:48:20 +02001363 break;
1364 case PHY_TYPE_USB3_HOST0:
1365 case PHY_TYPE_USB3_HOST1:
1366 case PHY_TYPE_USB3_DEVICE:
1367 ret = comphy_usb3_power_up(lane, hpipe_base_addr,
1368 comphy_base_addr);
1369 break;
1370 case PHY_TYPE_SGMII0:
1371 case PHY_TYPE_SGMII1:
Grzegorz Jaszczykb24bb992020-10-18 17:11:11 +03001372 if (ptr_comphy_map->speed == PHY_SPEED_INVALID) {
1373 debug("Warning: ");
1374 debug("SGMII PHY speed in lane %d is invalid,",
1375 lane);
1376 debug(" set PHY speed to 1.25G\n");
1377 ptr_comphy_map->speed = PHY_SPEED_1_25G;
1378 }
1379
1380 /*
1381 * UINIT_ID not relevant for SGMII0 and SGMII1 - will be
1382 * ignored by firmware
1383 */
1384 mode = COMPHY_FW_FORMAT(COMPHY_SGMII_MODE,
1385 COMPHY_UNIT_ID0,
1386 ptr_comphy_map->speed);
1387 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
1388 ptr_chip_cfg->comphy_base_addr, lane,
1389 mode);
1390 break;
Stefan Roesec0132f62016-08-30 16:48:20 +02001391 case PHY_TYPE_SGMII2:
1392 case PHY_TYPE_SGMII3:
1393 if (ptr_comphy_map->speed == PHY_SPEED_INVALID) {
1394 debug("Warning: SGMII PHY speed in lane %d is invalid, set PHY speed to 1.25G\n",
1395 lane);
1396 ptr_comphy_map->speed = PHY_SPEED_1_25G;
1397 }
Grzegorz Jaszczykb24bb992020-10-18 17:11:11 +03001398
1399 mode = COMPHY_FW_FORMAT(COMPHY_SGMII_MODE,
1400 COMPHY_UNIT_ID2,
1401 ptr_comphy_map->speed);
1402 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
1403 ptr_chip_cfg->comphy_base_addr, lane,
1404 mode);
Stefan Roesec0132f62016-08-30 16:48:20 +02001405 break;
Stefan Roesecb686452017-04-24 18:45:21 +03001406 case PHY_TYPE_SFI:
Grzegorz Jaszczykb24bb992020-10-18 17:11:11 +03001407 mode = COMPHY_FW_FORMAT(COMPHY_SFI_MODE,
1408 COMPHY_UNIT_ID0,
1409 ptr_comphy_map->speed);
1410 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
1411 ptr_chip_cfg->comphy_base_addr, lane,
1412 mode);
Stefan Roesec0132f62016-08-30 16:48:20 +02001413 break;
1414 case PHY_TYPE_RXAUI0:
1415 case PHY_TYPE_RXAUI1:
1416 ret = comphy_rxauii_power_up(lane, hpipe_base_addr,
1417 comphy_base_addr);
1418 break;
1419 default:
1420 debug("Unknown SerDes type, skip initialize SerDes %d\n",
1421 lane);
1422 break;
1423 }
1424 if (ret == 0) {
1425 /*
Stefan Roesed37f0202017-04-24 18:45:25 +03001426 * If interface wans't initialized, set the lane to
Stefan Roesec0132f62016-08-30 16:48:20 +02001427 * PHY_TYPE_UNCONNECTED state.
1428 */
1429 ptr_comphy_map->type = PHY_TYPE_UNCONNECTED;
Masahiro Yamada9b643e32017-09-16 14:10:41 +09001430 pr_err("PLL is not locked - Failed to initialize lane %d\n",
Stefan Roesec0132f62016-08-30 16:48:20 +02001431 lane);
1432 }
1433 }
1434
1435 debug_exit();
1436 return 0;
1437}