blob: 349109b6dc089c9e5df8ccdab97720279fb4078a [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>
Simon Glass3ba929a2020-10-30 21:38:53 -06009#include <asm/global_data.h>
Stefan Roese648391c2016-08-30 16:48:20 +020010#include <asm/io.h>
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +030011#include <asm/ptrace.h>
Stefan Roese648391c2016-08-30 16:48:20 +020012#include <asm/arch/cpu.h>
13#include <asm/arch/soc.h>
Simon Glassdbd79542020-05-10 11:40:11 -060014#include <linux/delay.h>
Stefan Roese648391c2016-08-30 16:48:20 +020015
Marek BehĂșn19ce44c2018-08-17 12:58:51 +020016#include "comphy_core.h"
Stefan Roese648391c2016-08-30 16:48:20 +020017#include "sata.h"
18#include "utmi_phy.h"
19
20DECLARE_GLOBAL_DATA_PTR;
21
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +030022/* Firmware related definitions used for SMC calls */
23#define MV_SIP_COMPHY_POWER_ON 0x82000001
24#define MV_SIP_COMPHY_POWER_OFF 0x82000002
25#define MV_SIP_COMPHY_PLL_LOCK 0x82000003
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +020026#define MV_SIP_COMPHY_XFI_TRAIN 0x82000004
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +030027
Igal Liberman67d1a3f2020-10-18 17:11:13 +030028/* Used to distinguish between different possible callers (U-boot/Linux) */
29#define COMPHY_CALLER_UBOOT (0x1 << 21)
30
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +030031#define COMPHY_FW_MODE_FORMAT(mode) ((mode) << 12)
32#define COMPHY_FW_FORMAT(mode, idx, speeds) \
33 (((mode) << 12) | ((idx) << 8) | ((speeds) << 2))
Grzegorz Jaszczykc42b5a32020-10-18 17:11:12 +030034
35#define COMPHY_FW_PCIE_FORMAT(pcie_width, clk_src, mode, speeds) \
Igal Liberman67d1a3f2020-10-18 17:11:13 +030036 (COMPHY_CALLER_UBOOT | ((pcie_width) << 18) | \
37 ((clk_src) << 17) | COMPHY_FW_FORMAT(mode, 0, speeds))
Grzegorz Jaszczykc42b5a32020-10-18 17:11:12 +030038
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +030039#define COMPHY_SATA_MODE 0x1
40#define COMPHY_SGMII_MODE 0x2 /* SGMII 1G */
41#define COMPHY_HS_SGMII_MODE 0x3 /* SGMII 2.5G */
42#define COMPHY_USB3H_MODE 0x4
43#define COMPHY_USB3D_MODE 0x5
44#define COMPHY_PCIE_MODE 0x6
45#define COMPHY_RXAUI_MODE 0x7
46#define COMPHY_XFI_MODE 0x8
47#define COMPHY_SFI_MODE 0x9
48#define COMPHY_USB3_MODE 0xa
49#define COMPHY_AP_MODE 0xb
50
51/* Comphy unit index macro */
52#define COMPHY_UNIT_ID0 0
53#define COMPHY_UNIT_ID1 1
54#define COMPHY_UNIT_ID2 2
55#define COMPHY_UNIT_ID3 3
56
Stefan Roese648391c2016-08-30 16:48:20 +020057struct utmi_phy_data {
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +010058 void __iomem *utmi_pll_addr;
Stefan Roese648391c2016-08-30 16:48:20 +020059 void __iomem *utmi_base_addr;
60 void __iomem *usb_cfg_addr;
61 void __iomem *utmi_cfg_addr;
62 u32 utmi_phy_port;
63};
64
Stefan Roese648391c2016-08-30 16:48:20 +020065static u32 polling_with_timeout(void __iomem *addr, u32 val,
66 u32 mask, unsigned long usec_timout)
67{
68 u32 data;
69
70 do {
71 udelay(1);
72 data = readl(addr) & mask;
73 } while (data != val && --usec_timout > 0);
74
75 if (usec_timout == 0)
76 return data;
77
78 return 0;
79}
80
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +020081static int comphy_smc(u32 function_id, void __iomem *comphy_base_addr,
82 u32 lane, u32 mode)
Igal Liberman6795a662021-03-23 11:57:57 +010083{
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +020084 struct pt_regs pregs = {0};
Igal Liberman6795a662021-03-23 11:57:57 +010085
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +020086 pregs.regs[0] = function_id;
87 pregs.regs[1] = (unsigned long)comphy_base_addr;
88 pregs.regs[2] = lane;
89 pregs.regs[3] = mode;
Igal Liberman6795a662021-03-23 11:57:57 +010090
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +020091 smc_call(&pregs);
Igal Liberman6795a662021-03-23 11:57:57 +010092
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +020093 /*
94 * TODO: Firmware return 0 on success, temporary map it to u-boot
95 * convention, but after all comphy will be reworked the convention in
96 * u-boot should be change and this conversion removed
97 */
98 return pregs.regs[0] ? 0 : 1;
Igal Liberman6795a662021-03-23 11:57:57 +010099}
100
101/* This function performs RX training for all FFE possible values.
102 * We get the result for each FFE and eventually the best FFE will
103 * be used and set to the HW.
104 *
105 * Return '1' on succsess.
106 * Return '0' on failure.
107 */
108int comphy_cp110_sfi_rx_training(struct chip_serdes_phy_config *ptr_chip_cfg,
109 u32 lane)
110{
Igal Liberman6795a662021-03-23 11:57:57 +0100111 int ret;
112
113 debug_enter();
114
115 if (ptr_chip_cfg->comphy_map_data[lane].type != COMPHY_TYPE_SFI) {
116 pr_err("Comphy %d isn't configured to SFI\n", lane);
117 return 0;
118 }
119
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +0200120 /* Mode is not relevant for xfi training */
121 ret = comphy_smc(MV_SIP_COMPHY_XFI_TRAIN,
122 ptr_chip_cfg->comphy_base_addr, lane, 0);
Igal Liberman6795a662021-03-23 11:57:57 +0100123
124 debug_exit();
125
126 return ret;
127}
128
Stefan Roese648391c2016-08-30 16:48:20 +0200129static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base,
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300130 void __iomem *comphy_base_addr, int cp_index,
131 u32 type)
Stefan Roese648391c2016-08-30 16:48:20 +0200132{
133 u32 mask, data, i, ret = 1;
Stefan Roese648391c2016-08-30 16:48:20 +0200134 void __iomem *sata_base = NULL;
135 int sata_node = -1; /* Set to -1 in order to read the first sata node */
136
137 debug_enter();
138
139 /*
140 * Assumption - each CP has only one SATA controller
141 * Calling fdt_node_offset_by_compatible first time (with sata_node = -1
142 * will return the first node always.
143 * In order to parse each CPs SATA node, fdt_node_offset_by_compatible
144 * must be called again (according to the CP id)
145 */
Igal Libermanc8855ce2017-04-24 18:45:32 +0300146 for (i = 0; i < (cp_index + 1); i++)
Stefan Roese648391c2016-08-30 16:48:20 +0200147 sata_node = fdt_node_offset_by_compatible(
148 gd->fdt_blob, sata_node, "marvell,armada-8k-ahci");
149
150 if (sata_node == 0) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900151 pr_err("SATA node not found in FDT\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200152 return 0;
153 }
154
155 sata_base = (void __iomem *)fdtdec_get_addr_size_auto_noparent(
156 gd->fdt_blob, sata_node, "reg", 0, NULL, true);
157 if (sata_base == NULL) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900158 pr_err("SATA address not found in FDT\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200159 return 0;
160 }
161
162 debug("SATA address found in FDT %p\n", sata_base);
163
164 debug("stage: MAC configuration - power down comphy\n");
165 /*
166 * MAC configuration powe down comphy use indirect address for
167 * vendor spesific SATA control register
168 */
169 reg_set(sata_base + SATA3_VENDOR_ADDRESS,
170 SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
171 SATA3_VENDOR_ADDR_MASK);
172 /* SATA 0 power down */
173 mask = SATA3_CTRL_SATA0_PD_MASK;
174 data = 0x1 << SATA3_CTRL_SATA0_PD_OFFSET;
175 /* SATA 1 power down */
176 mask |= SATA3_CTRL_SATA1_PD_MASK;
177 data |= 0x1 << SATA3_CTRL_SATA1_PD_OFFSET;
178 /* SATA SSU disable */
179 mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
180 data |= 0x0 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
181 /* SATA port 1 disable */
182 mask |= SATA3_CTRL_SATA_SSU_MASK;
183 data |= 0x0 << SATA3_CTRL_SATA_SSU_OFFSET;
184 reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
185
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300186 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON, comphy_base_addr, lane, type);
Stefan Roese648391c2016-08-30 16:48:20 +0200187
Stefan Roese648391c2016-08-30 16:48:20 +0200188 /*
189 * MAC configuration power up comphy - power up PLL/TX/RX
190 * use indirect address for vendor spesific SATA control register
191 */
192 reg_set(sata_base + SATA3_VENDOR_ADDRESS,
193 SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
194 SATA3_VENDOR_ADDR_MASK);
195 /* SATA 0 power up */
196 mask = SATA3_CTRL_SATA0_PD_MASK;
197 data = 0x0 << SATA3_CTRL_SATA0_PD_OFFSET;
198 /* SATA 1 power up */
199 mask |= SATA3_CTRL_SATA1_PD_MASK;
200 data |= 0x0 << SATA3_CTRL_SATA1_PD_OFFSET;
201 /* SATA SSU enable */
202 mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
203 data |= 0x1 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
204 /* SATA port 1 enable */
205 mask |= SATA3_CTRL_SATA_SSU_MASK;
206 data |= 0x1 << SATA3_CTRL_SATA_SSU_OFFSET;
207 reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
208
209 /* MBUS request size and interface select register */
210 reg_set(sata_base + SATA3_VENDOR_ADDRESS,
211 SATA_MBUS_SIZE_SELECT_REG << SATA3_VENDOR_ADDR_OFSSET,
212 SATA3_VENDOR_ADDR_MASK);
213 /* Mbus regret enable */
214 reg_set(sata_base + SATA3_VENDOR_DATA,
215 0x1 << SATA_MBUS_REGRET_EN_OFFSET, SATA_MBUS_REGRET_EN_MASK);
216
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300217 ret = comphy_smc(MV_SIP_COMPHY_PLL_LOCK, comphy_base_addr, lane, type);
Stefan Roese648391c2016-08-30 16:48:20 +0200218
219 debug_exit();
220 return ret;
221}
222
Stefan Roese648391c2016-08-30 16:48:20 +0200223static void comphy_utmi_power_down(u32 utmi_index, void __iomem *utmi_base_addr,
224 void __iomem *usb_cfg_addr,
225 void __iomem *utmi_cfg_addr,
226 u32 utmi_phy_port)
227{
228 u32 mask, data;
229
230 debug_enter();
231 debug("stage: UTMI %d - Power down transceiver (power down Phy), Power down PLL, and SuspendDM\n",
232 utmi_index);
233 /* Power down UTMI PHY */
234 reg_set(utmi_cfg_addr, 0x0 << UTMI_PHY_CFG_PU_OFFSET,
235 UTMI_PHY_CFG_PU_MASK);
236
237 /*
238 * If UTMI connected to USB Device, configure mux prior to PHY init
239 * (Device can be connected to UTMI0 or to UTMI1)
240 */
Stefan Roeseb781f572017-04-24 18:45:23 +0300241 if (utmi_phy_port == UTMI_PHY_TO_USB3_DEVICE0) {
Stefan Roese648391c2016-08-30 16:48:20 +0200242 debug("stage: UTMI %d - Enable Device mode and configure UTMI mux\n",
243 utmi_index);
244 /* USB3 Device UTMI enable */
245 mask = UTMI_USB_CFG_DEVICE_EN_MASK;
246 data = 0x1 << UTMI_USB_CFG_DEVICE_EN_OFFSET;
247 /* USB3 Device UTMI MUX */
248 mask |= UTMI_USB_CFG_DEVICE_MUX_MASK;
249 data |= utmi_index << UTMI_USB_CFG_DEVICE_MUX_OFFSET;
250 reg_set(usb_cfg_addr, data, mask);
251 }
252
253 /* Set Test suspendm mode */
254 mask = UTMI_CTRL_STATUS0_SUSPENDM_MASK;
255 data = 0x1 << UTMI_CTRL_STATUS0_SUSPENDM_OFFSET;
256 /* Enable Test UTMI select */
257 mask |= UTMI_CTRL_STATUS0_TEST_SEL_MASK;
258 data |= 0x1 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET;
259 reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, data, mask);
260
261 /* Wait for UTMI power down */
262 mdelay(1);
263
264 debug_exit();
265 return;
266}
267
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100268static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_pll_addr,
269 void __iomem *utmi_base_addr,
Stefan Roese648391c2016-08-30 16:48:20 +0200270 void __iomem *usb_cfg_addr,
271 void __iomem *utmi_cfg_addr,
272 u32 utmi_phy_port)
273{
274 u32 mask, data;
275
276 debug_exit();
277 debug("stage: Configure UTMI PHY %d registers\n", utmi_index);
278 /* Reference Clock Divider Select */
279 mask = UTMI_PLL_CTRL_REFDIV_MASK;
280 data = 0x5 << UTMI_PLL_CTRL_REFDIV_OFFSET;
281 /* Feedback Clock Divider Select - 90 for 25Mhz*/
282 mask |= UTMI_PLL_CTRL_FBDIV_MASK;
283 data |= 0x60 << UTMI_PLL_CTRL_FBDIV_OFFSET;
284 /* Select LPFR - 0x0 for 25Mhz/5=5Mhz*/
285 mask |= UTMI_PLL_CTRL_SEL_LPFR_MASK;
286 data |= 0x0 << UTMI_PLL_CTRL_SEL_LPFR_OFFSET;
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100287 reg_set(utmi_pll_addr + UTMI_PLL_CTRL_REG, data, mask);
Stefan Roese648391c2016-08-30 16:48:20 +0200288
289 /* Impedance Calibration Threshold Setting */
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100290 reg_set(utmi_pll_addr + UTMI_CALIB_CTRL_REG,
Igal Liberman32af2162017-04-30 20:16:55 +0300291 0x7 << UTMI_CALIB_CTRL_IMPCAL_VTH_OFFSET,
Stefan Roese648391c2016-08-30 16:48:20 +0200292 UTMI_CALIB_CTRL_IMPCAL_VTH_MASK);
293
294 /* Set LS TX driver strength coarse control */
Igal Liberman32af2162017-04-30 20:16:55 +0300295 mask = UTMI_TX_CH_CTRL_AMP_MASK;
296 data = 0x4 << UTMI_TX_CH_CTRL_AMP_OFFSET;
Stefan Roese648391c2016-08-30 16:48:20 +0200297 reg_set(utmi_base_addr + UTMI_TX_CH_CTRL_REG, data, mask);
298
299 /* Enable SQ */
300 mask = UTMI_RX_CH_CTRL0_SQ_DET_MASK;
301 data = 0x0 << UTMI_RX_CH_CTRL0_SQ_DET_OFFSET;
302 /* Enable analog squelch detect */
303 mask |= UTMI_RX_CH_CTRL0_SQ_ANA_DTC_MASK;
304 data |= 0x1 << UTMI_RX_CH_CTRL0_SQ_ANA_DTC_OFFSET;
305 reg_set(utmi_base_addr + UTMI_RX_CH_CTRL0_REG, data, mask);
306
307 /* Set External squelch calibration number */
308 mask = UTMI_RX_CH_CTRL1_SQ_AMP_CAL_MASK;
309 data = 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET;
310 /* Enable the External squelch calibration */
311 mask |= UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_MASK;
312 data |= 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_OFFSET;
313 reg_set(utmi_base_addr + UTMI_RX_CH_CTRL1_REG, data, mask);
314
315 /* Set Control VDAT Reference Voltage - 0.325V */
316 mask = UTMI_CHGDTC_CTRL_VDAT_MASK;
317 data = 0x1 << UTMI_CHGDTC_CTRL_VDAT_OFFSET;
318 /* Set Control VSRC Reference Voltage - 0.6V */
319 mask |= UTMI_CHGDTC_CTRL_VSRC_MASK;
320 data |= 0x1 << UTMI_CHGDTC_CTRL_VSRC_OFFSET;
321 reg_set(utmi_base_addr + UTMI_CHGDTC_CTRL_REG, data, mask);
322
323 debug_exit();
324 return;
325}
326
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100327static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_pll_addr,
328 void __iomem *utmi_base_addr,
Stefan Roese648391c2016-08-30 16:48:20 +0200329 void __iomem *usb_cfg_addr,
330 void __iomem *utmi_cfg_addr, u32 utmi_phy_port)
331{
332 u32 data, mask, ret = 1;
333 void __iomem *addr;
334
335 debug_enter();
336 debug("stage: UTMI %d - Power up transceiver(Power up Phy), and exit SuspendDM\n",
337 utmi_index);
338 /* Power UP UTMI PHY */
339 reg_set(utmi_cfg_addr, 0x1 << UTMI_PHY_CFG_PU_OFFSET,
340 UTMI_PHY_CFG_PU_MASK);
341 /* Disable Test UTMI select */
342 reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG,
343 0x0 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET,
344 UTMI_CTRL_STATUS0_TEST_SEL_MASK);
345
346 debug("stage: Polling for PLL and impedance calibration done, and PLL ready done\n");
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100347 addr = utmi_pll_addr + UTMI_CALIB_CTRL_REG;
Stefan Roese648391c2016-08-30 16:48:20 +0200348 data = UTMI_CALIB_CTRL_IMPCAL_DONE_MASK;
349 mask = data;
350 data = polling_with_timeout(addr, data, mask, 100);
351 if (data != 0) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900352 pr_err("Impedance calibration is not done\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200353 debug("Read from reg = %p - value = 0x%x\n", addr, data);
354 ret = 0;
355 }
356
357 data = UTMI_CALIB_CTRL_PLLCAL_DONE_MASK;
358 mask = data;
359 data = polling_with_timeout(addr, data, mask, 100);
360 if (data != 0) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900361 pr_err("PLL calibration is not done\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200362 debug("Read from reg = %p - value = 0x%x\n", addr, data);
363 ret = 0;
364 }
365
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100366 addr = utmi_pll_addr + UTMI_PLL_CTRL_REG;
Stefan Roese648391c2016-08-30 16:48:20 +0200367 data = UTMI_PLL_CTRL_PLL_RDY_MASK;
368 mask = data;
369 data = polling_with_timeout(addr, data, mask, 100);
370 if (data != 0) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900371 pr_err("PLL is not ready\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200372 debug("Read from reg = %p - value = 0x%x\n", addr, data);
373 ret = 0;
374 }
375
376 if (ret)
377 debug("Passed\n");
378 else
379 debug("\n");
380
381 debug_exit();
382 return ret;
383}
384
385/*
386 * comphy_utmi_phy_init initialize the UTMI PHY
387 * the init split in 3 parts:
388 * 1. Power down transceiver and PLL
389 * 2. UTMI PHY configure
Omri Itach561930c2017-04-06 12:54:16 +0300390 * 3. Power up transceiver and PLL
Stefan Roese648391c2016-08-30 16:48:20 +0200391 * Note: - Power down/up should be once for both UTMI PHYs
392 * - comphy_dedicated_phys_init call this function if at least there is
393 * one UTMI PHY exists in FDT blob. access to cp110_utmi_data[0] is
394 * legal
395 */
396static void comphy_utmi_phy_init(u32 utmi_phy_count,
397 struct utmi_phy_data *cp110_utmi_data)
398{
399 u32 i;
400
401 debug_enter();
402 /* UTMI Power down */
403 for (i = 0; i < utmi_phy_count; i++) {
404 comphy_utmi_power_down(i, cp110_utmi_data[i].utmi_base_addr,
405 cp110_utmi_data[i].usb_cfg_addr,
406 cp110_utmi_data[i].utmi_cfg_addr,
407 cp110_utmi_data[i].utmi_phy_port);
408 }
409 /* PLL Power down */
410 debug("stage: UTMI PHY power down PLL\n");
411 for (i = 0; i < utmi_phy_count; i++) {
412 reg_set(cp110_utmi_data[i].usb_cfg_addr,
413 0x0 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
414 }
415 /* UTMI configure */
416 for (i = 0; i < utmi_phy_count; i++) {
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100417 comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_pll_addr,
418 cp110_utmi_data[i].utmi_base_addr,
Stefan Roese648391c2016-08-30 16:48:20 +0200419 cp110_utmi_data[i].usb_cfg_addr,
420 cp110_utmi_data[i].utmi_cfg_addr,
421 cp110_utmi_data[i].utmi_phy_port);
422 }
423 /* UTMI Power up */
424 for (i = 0; i < utmi_phy_count; i++) {
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100425 if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_pll_addr,
426 cp110_utmi_data[i].utmi_base_addr,
Stefan Roese648391c2016-08-30 16:48:20 +0200427 cp110_utmi_data[i].usb_cfg_addr,
428 cp110_utmi_data[i].utmi_cfg_addr,
429 cp110_utmi_data[i].utmi_phy_port)) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900430 pr_err("Failed to initialize UTMI PHY %d\n", i);
Stefan Roese648391c2016-08-30 16:48:20 +0200431 continue;
432 }
433 printf("UTMI PHY %d initialized to ", i);
Stefan Roeseb781f572017-04-24 18:45:23 +0300434 if (cp110_utmi_data[i].utmi_phy_port ==
435 UTMI_PHY_TO_USB3_DEVICE0)
Stefan Roese648391c2016-08-30 16:48:20 +0200436 printf("USB Device\n");
437 else
438 printf("USB Host%d\n",
439 cp110_utmi_data[i].utmi_phy_port);
440 }
441 /* PLL Power up */
442 debug("stage: UTMI PHY power up PLL\n");
443 for (i = 0; i < utmi_phy_count; i++) {
444 reg_set(cp110_utmi_data[i].usb_cfg_addr,
445 0x1 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
446 }
447
448 debug_exit();
449 return;
450}
451
452/*
453 * comphy_dedicated_phys_init initialize the dedicated PHYs
454 * - not muxed SerDes lanes e.g. UTMI PHY
455 */
456void comphy_dedicated_phys_init(void)
457{
458 struct utmi_phy_data cp110_utmi_data[MAX_UTMI_PHY_COUNT];
Omri Itach561930c2017-04-06 12:54:16 +0300459 int node = -1;
460 int node_idx;
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100461 int parent = -1;
Stefan Roese648391c2016-08-30 16:48:20 +0200462
463 debug_enter();
464 debug("Initialize USB UTMI PHYs\n");
465
Omri Itach561930c2017-04-06 12:54:16 +0300466 for (node_idx = 0; node_idx < MAX_UTMI_PHY_COUNT;) {
467 /* Find the UTMI phy node in device tree */
468 node = fdt_node_offset_by_compatible(gd->fdt_blob, node,
469 "marvell,mvebu-utmi-2.6.0");
470 if (node <= 0)
471 break;
Stefan Roese648391c2016-08-30 16:48:20 +0200472
Omri Itach561930c2017-04-06 12:54:16 +0300473 /* check if node is enabled */
474 if (!fdtdec_get_is_enabled(gd->fdt_blob, node))
475 continue;
476
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100477 parent = fdt_parent_offset(gd->fdt_blob, node);
478 if (parent <= 0)
479 break;
480
481 /* get base address of UTMI PLL */
482 cp110_utmi_data[node_idx].utmi_pll_addr =
483 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
484 gd->fdt_blob, parent, "reg", 0, NULL, true);
485 if (!cp110_utmi_data[node_idx].utmi_pll_addr) {
486 pr_err("UTMI PHY PLL address is invalid\n");
487 continue;
488 }
489
Stefan Roese648391c2016-08-30 16:48:20 +0200490 /* get base address of UTMI phy */
Omri Itach561930c2017-04-06 12:54:16 +0300491 cp110_utmi_data[node_idx].utmi_base_addr =
Stefan Roese648391c2016-08-30 16:48:20 +0200492 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
493 gd->fdt_blob, node, "reg", 0, NULL, true);
Omri Itach561930c2017-04-06 12:54:16 +0300494 if (!cp110_utmi_data[node_idx].utmi_base_addr) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900495 pr_err("UTMI PHY base address is invalid\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200496 continue;
497 }
498
499 /* get usb config address */
Omri Itach561930c2017-04-06 12:54:16 +0300500 cp110_utmi_data[node_idx].usb_cfg_addr =
Stefan Roese648391c2016-08-30 16:48:20 +0200501 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
502 gd->fdt_blob, node, "reg", 1, NULL, true);
Omri Itach561930c2017-04-06 12:54:16 +0300503 if (!cp110_utmi_data[node_idx].usb_cfg_addr) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900504 pr_err("UTMI PHY base address is invalid\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200505 continue;
506 }
507
508 /* get UTMI config address */
Omri Itach561930c2017-04-06 12:54:16 +0300509 cp110_utmi_data[node_idx].utmi_cfg_addr =
Stefan Roese648391c2016-08-30 16:48:20 +0200510 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
511 gd->fdt_blob, node, "reg", 2, NULL, true);
Omri Itach561930c2017-04-06 12:54:16 +0300512 if (!cp110_utmi_data[node_idx].utmi_cfg_addr) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900513 pr_err("UTMI PHY base address is invalid\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200514 continue;
515 }
516
517 /*
518 * get the port number (to check if the utmi connected to
519 * host/device)
520 */
Omri Itach561930c2017-04-06 12:54:16 +0300521 cp110_utmi_data[node_idx].utmi_phy_port = fdtdec_get_int(
Stefan Roese648391c2016-08-30 16:48:20 +0200522 gd->fdt_blob, node, "utmi-port", UTMI_PHY_INVALID);
Omri Itach561930c2017-04-06 12:54:16 +0300523 if (cp110_utmi_data[node_idx].utmi_phy_port ==
524 UTMI_PHY_INVALID) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900525 pr_err("UTMI PHY port type is invalid\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200526 continue;
527 }
528
Omri Itach561930c2017-04-06 12:54:16 +0300529 /* count valid UTMI unit */
530 node_idx++;
Stefan Roese648391c2016-08-30 16:48:20 +0200531 }
532
Omri Itach561930c2017-04-06 12:54:16 +0300533 if (node_idx > 0)
534 comphy_utmi_phy_init(node_idx, cp110_utmi_data);
Stefan Roese648391c2016-08-30 16:48:20 +0200535
536 debug_exit();
537}
538
Stefan Roese648391c2016-08-30 16:48:20 +0200539int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
540 struct comphy_map *serdes_map)
541{
542 struct comphy_map *ptr_comphy_map;
543 void __iomem *comphy_base_addr, *hpipe_base_addr;
Igal Libermand009fee2018-05-09 18:50:29 +0300544 u32 comphy_max_count, lane, id, ret = 0;
Stefan Roese648391c2016-08-30 16:48:20 +0200545 u32 pcie_width = 0;
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300546 u32 mode;
Stefan Roese648391c2016-08-30 16:48:20 +0200547
548 debug_enter();
549
550 comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
551 comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
552 hpipe_base_addr = ptr_chip_cfg->hpipe3_base_addr;
553
Stefan Roese648391c2016-08-30 16:48:20 +0200554 /* Check if the first 4 lanes configured as By-4 */
555 for (lane = 0, ptr_comphy_map = serdes_map; lane < 4;
556 lane++, ptr_comphy_map++) {
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300557 if (ptr_comphy_map->type != COMPHY_TYPE_PEX0)
Stefan Roese648391c2016-08-30 16:48:20 +0200558 break;
559 pcie_width++;
560 }
561
562 for (lane = 0, ptr_comphy_map = serdes_map; lane < comphy_max_count;
563 lane++, ptr_comphy_map++) {
564 debug("Initialize serdes number %d\n", lane);
565 debug("Serdes type = 0x%x\n", ptr_comphy_map->type);
566 if (lane == 4) {
567 /*
568 * PCIe lanes above the first 4 lanes, can be only
569 * by1
570 */
571 pcie_width = 1;
572 }
573 switch (ptr_comphy_map->type) {
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300574 case COMPHY_TYPE_UNCONNECTED:
Igal Libermand622f8e2018-11-19 09:58:32 +0200575 mode = COMPHY_TYPE_UNCONNECTED | COMPHY_CALLER_UBOOT;
Christine Gharzuzic63fa152018-05-23 12:10:36 +0300576 ret = comphy_smc(MV_SIP_COMPHY_POWER_OFF,
577 ptr_chip_cfg->comphy_base_addr,
Igal Libermand622f8e2018-11-19 09:58:32 +0200578 lane, mode);
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300579 case COMPHY_TYPE_IGNORE:
Stefan Roese648391c2016-08-30 16:48:20 +0200580 continue;
581 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300582 case COMPHY_TYPE_PEX0:
583 case COMPHY_TYPE_PEX1:
584 case COMPHY_TYPE_PEX2:
585 case COMPHY_TYPE_PEX3:
Grzegorz Jaszczykc42b5a32020-10-18 17:11:12 +0300586 mode = COMPHY_FW_PCIE_FORMAT(pcie_width,
587 ptr_comphy_map->clk_src,
588 COMPHY_PCIE_MODE,
589 ptr_comphy_map->speed);
590 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
591 ptr_chip_cfg->comphy_base_addr, lane,
592 mode);
Stefan Roese648391c2016-08-30 16:48:20 +0200593 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300594 case COMPHY_TYPE_SATA0:
595 case COMPHY_TYPE_SATA1:
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300596 mode = COMPHY_FW_MODE_FORMAT(COMPHY_SATA_MODE);
597 ret = comphy_sata_power_up(lane, hpipe_base_addr,
598 comphy_base_addr,
599 ptr_chip_cfg->cp_index,
600 mode);
Stefan Roese648391c2016-08-30 16:48:20 +0200601 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300602 case COMPHY_TYPE_USB3_HOST0:
603 case COMPHY_TYPE_USB3_HOST1:
Grzegorz Jaszczyke1659702018-03-29 12:30:20 +0200604 mode = COMPHY_FW_MODE_FORMAT(COMPHY_USB3H_MODE);
605 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
606 ptr_chip_cfg->comphy_base_addr, lane,
607 mode);
608 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300609 case COMPHY_TYPE_USB3_DEVICE:
Grzegorz Jaszczyke1659702018-03-29 12:30:20 +0200610 mode = COMPHY_FW_MODE_FORMAT(COMPHY_USB3D_MODE);
611 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
612 ptr_chip_cfg->comphy_base_addr, lane,
613 mode);
Stefan Roese648391c2016-08-30 16:48:20 +0200614 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300615 case COMPHY_TYPE_SGMII0:
616 case COMPHY_TYPE_SGMII1:
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300617 case COMPHY_TYPE_SGMII2:
Igal Libermand009fee2018-05-09 18:50:29 +0300618 /* Calculate SGMII ID */
619 id = ptr_comphy_map->type - COMPHY_TYPE_SGMII0;
620
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300621 if (ptr_comphy_map->speed == COMPHY_SPEED_INVALID) {
Stefan Roese648391c2016-08-30 16:48:20 +0200622 debug("Warning: SGMII PHY speed in lane %d is invalid, set PHY speed to 1.25G\n",
623 lane);
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300624 ptr_comphy_map->speed = COMPHY_SPEED_1_25G;
Stefan Roese648391c2016-08-30 16:48:20 +0200625 }
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300626
Igal Libermand009fee2018-05-09 18:50:29 +0300627 mode = COMPHY_FW_FORMAT(COMPHY_SGMII_MODE, id,
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300628 ptr_comphy_map->speed);
629 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
630 ptr_chip_cfg->comphy_base_addr, lane,
631 mode);
Stefan Roese648391c2016-08-30 16:48:20 +0200632 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300633 case COMPHY_TYPE_SFI:
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300634 mode = COMPHY_FW_FORMAT(COMPHY_SFI_MODE,
635 COMPHY_UNIT_ID0,
636 ptr_comphy_map->speed);
637 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
638 ptr_chip_cfg->comphy_base_addr, lane,
639 mode);
Stefan Roese648391c2016-08-30 16:48:20 +0200640 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300641 case COMPHY_TYPE_RXAUI0:
642 case COMPHY_TYPE_RXAUI1:
Grzegorz Jaszczykbeb4a912018-03-27 12:52:24 +0200643 mode = COMPHY_FW_MODE_FORMAT(COMPHY_RXAUI_MODE);
644 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
645 ptr_chip_cfg->comphy_base_addr, lane,
646 mode);
Stefan Roese648391c2016-08-30 16:48:20 +0200647 break;
648 default:
649 debug("Unknown SerDes type, skip initialize SerDes %d\n",
650 lane);
651 break;
652 }
653 if (ret == 0) {
654 /*
Stefan Roese4fbca012017-04-24 18:45:25 +0300655 * If interface wans't initialized, set the lane to
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300656 * COMPHY_TYPE_UNCONNECTED state.
Stefan Roese648391c2016-08-30 16:48:20 +0200657 */
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300658 ptr_comphy_map->type = COMPHY_TYPE_UNCONNECTED;
Masahiro Yamada81e10422017-09-16 14:10:41 +0900659 pr_err("PLL is not locked - Failed to initialize lane %d\n",
Stefan Roese648391c2016-08-30 16:48:20 +0200660 lane);
661 }
662 }
663
664 debug_exit();
665 return 0;
666}