]> Git Repo - J-u-boot.git/blame - drivers/phy/marvell/comphy_a3700.c
phy: marvell: a3700: Don't create functional macro for each register
[J-u-boot.git] / drivers / phy / marvell / comphy_a3700.c
CommitLineData
83d290c5 1// SPDX-License-Identifier: GPL-2.0+
3335786a
SR
2/*
3 * Copyright (C) 2015-2016 Marvell International Ltd.
3335786a
SR
4 */
5
6#include <common.h>
7#include <fdtdec.h>
8#include <asm/io.h>
9#include <asm/arch/cpu.h>
10#include <asm/arch/soc.h>
11
12#include "comphy_a3700.h"
13
14DECLARE_GLOBAL_DATA_PTR;
15
16struct sgmii_phy_init_data_fix {
17 u16 addr;
18 u16 value;
19};
20
21/* Changes to 40M1G25 mode data required for running 40M3G125 init mode */
22static struct sgmii_phy_init_data_fix sgmii_phy_init_fix[] = {
23 {0x005, 0x07CC}, {0x015, 0x0000}, {0x01B, 0x0000}, {0x01D, 0x0000},
24 {0x01E, 0x0000}, {0x01F, 0x0000}, {0x020, 0x0000}, {0x021, 0x0030},
25 {0x026, 0x0888}, {0x04D, 0x0152}, {0x04F, 0xA020}, {0x050, 0x07CC},
26 {0x053, 0xE9CA}, {0x055, 0xBD97}, {0x071, 0x3015}, {0x076, 0x03AA},
27 {0x07C, 0x0FDF}, {0x0C2, 0x3030}, {0x0C3, 0x8000}, {0x0E2, 0x5550},
28 {0x0E3, 0x12A4}, {0x0E4, 0x7D00}, {0x0E6, 0x0C83}, {0x101, 0xFCC0},
29 {0x104, 0x0C10}
30};
31
32/* 40M1G25 mode init data */
33static u16 sgmii_phy_init[512] = {
34 /* 0 1 2 3 4 5 6 7 */
35 /*-----------------------------------------------------------*/
36 /* 8 9 A B C D E F */
37 0x3110, 0xFD83, 0x6430, 0x412F, 0x82C0, 0x06FA, 0x4500, 0x6D26, /* 00 */
38 0xAFC0, 0x8000, 0xC000, 0x0000, 0x2000, 0x49CC, 0x0BC9, 0x2A52, /* 08 */
39 0x0BD2, 0x0CDE, 0x13D2, 0x0CE8, 0x1149, 0x10E0, 0x0000, 0x0000, /* 10 */
40 0x0000, 0x0000, 0x0000, 0x0001, 0x0000, 0x4134, 0x0D2D, 0xFFFF, /* 18 */
41 0xFFE0, 0x4030, 0x1016, 0x0030, 0x0000, 0x0800, 0x0866, 0x0000, /* 20 */
42 0x0000, 0x0000, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, /* 28 */
43 0xFFFF, 0xFFFF, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 30 */
44 0x0000, 0x0000, 0x000F, 0x6A62, 0x1988, 0x3100, 0x3100, 0x3100, /* 38 */
45 0x3100, 0xA708, 0x2430, 0x0830, 0x1030, 0x4610, 0xFF00, 0xFF00, /* 40 */
46 0x0060, 0x1000, 0x0400, 0x0040, 0x00F0, 0x0155, 0x1100, 0xA02A, /* 48 */
47 0x06FA, 0x0080, 0xB008, 0xE3ED, 0x5002, 0xB592, 0x7A80, 0x0001, /* 50 */
48 0x020A, 0x8820, 0x6014, 0x8054, 0xACAA, 0xFC88, 0x2A02, 0x45CF, /* 58 */
49 0x000F, 0x1817, 0x2860, 0x064F, 0x0000, 0x0204, 0x1800, 0x6000, /* 60 */
50 0x810F, 0x4F23, 0x4000, 0x4498, 0x0850, 0x0000, 0x000E, 0x1002, /* 68 */
51 0x9D3A, 0x3009, 0xD066, 0x0491, 0x0001, 0x6AB0, 0x0399, 0x3780, /* 70 */
52 0x0040, 0x5AC0, 0x4A80, 0x0000, 0x01DF, 0x0000, 0x0007, 0x0000, /* 78 */
53 0x2D54, 0x00A1, 0x4000, 0x0100, 0xA20A, 0x0000, 0x0000, 0x0000, /* 80 */
54 0x0000, 0x0000, 0x0000, 0x7400, 0x0E81, 0x1000, 0x1242, 0x0210, /* 88 */
55 0x80DF, 0x0F1F, 0x2F3F, 0x4F5F, 0x6F7F, 0x0F1F, 0x2F3F, 0x4F5F, /* 90 */
56 0x6F7F, 0x4BAD, 0x0000, 0x0000, 0x0800, 0x0000, 0x2400, 0xB651, /* 98 */
57 0xC9E0, 0x4247, 0x0A24, 0x0000, 0xAF19, 0x1004, 0x0000, 0x0000, /* A0 */
58 0x0000, 0x0013, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* A8 */
59 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* B0 */
60 0x0000, 0x0000, 0x0000, 0x0060, 0x0000, 0x0000, 0x0000, 0x0000, /* B8 */
61 0x0000, 0x0000, 0x3010, 0xFA00, 0x0000, 0x0000, 0x0000, 0x0003, /* C0 */
62 0x1618, 0x8200, 0x8000, 0x0400, 0x050F, 0x0000, 0x0000, 0x0000, /* C8 */
63 0x4C93, 0x0000, 0x1000, 0x1120, 0x0010, 0x1242, 0x1242, 0x1E00, /* D0 */
64 0x0000, 0x0000, 0x0000, 0x00F8, 0x0000, 0x0041, 0x0800, 0x0000, /* D8 */
65 0x82A0, 0x572E, 0x2490, 0x14A9, 0x4E00, 0x0000, 0x0803, 0x0541, /* E0 */
66 0x0C15, 0x0000, 0x0000, 0x0400, 0x2626, 0x0000, 0x0000, 0x4200, /* E8 */
67 0x0000, 0xAA55, 0x1020, 0x0000, 0x0000, 0x5010, 0x0000, 0x0000, /* F0 */
68 0x0000, 0x0000, 0x5000, 0x0000, 0x0000, 0x0000, 0x02F2, 0x0000, /* F8 */
69 0x101F, 0xFDC0, 0x4000, 0x8010, 0x0110, 0x0006, 0x0000, 0x0000, /*100 */
70 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*108 */
71 0x04CF, 0x0000, 0x04CF, 0x0000, 0x04CF, 0x0000, 0x04C6, 0x0000, /*110 */
72 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*118 */
73 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*120 */
74 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*128 */
75 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*130 */
76 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*138 */
77 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*140 */
78 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*148 */
79 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*150 */
80 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*158 */
81 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*160 */
82 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*168 */
83 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*170 */
84 0x0000, 0x0000, 0x0000, 0x00F0, 0x08A2, 0x3112, 0x0A14, 0x0000, /*178 */
85 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*180 */
86 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*188 */
87 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*190 */
88 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*198 */
89 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*1A0 */
90 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*1A8 */
91 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*1B0 */
92 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*1B8 */
93 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*1C0 */
94 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*1C8 */
95 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*1D0 */
96 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*1D8 */
97 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*1E0 */
98 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*1E8 */
99 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*1F0 */
100 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 /*1F8 */
101};
102
103/*
104 * comphy_poll_reg
105 *
106 * return: 1 on success, 0 on timeout
107 */
108static u32 comphy_poll_reg(void *addr, u32 val, u32 mask, u32 timeout,
109 u8 op_type)
110{
111 u32 rval = 0xDEAD;
112
113 for (; timeout > 0; timeout--) {
114 if (op_type == POLL_16B_REG)
115 rval = readw(addr); /* 16 bit */
116 else
117 rval = readl(addr) ; /* 32 bit */
118
119 if ((rval & mask) == val)
120 return 1;
121
122 udelay(10000);
123 }
124
125 debug("Time out waiting (%p = %#010x)\n", addr, rval);
126 return 0;
127}
128
129/*
130 * comphy_pcie_power_up
131 *
132 * return: 1 if PLL locked (OK), 0 otherwise (FAIL)
133 */
134static int comphy_pcie_power_up(u32 speed, u32 invert)
135{
136 int ret;
137
138 debug_enter();
139
140 /*
141 * 1. Enable max PLL.
142 */
210f4aae 143 reg_set16(phy_addr(PCIE, LANE_CFG1), bf_use_max_pll_rate, 0);
3335786a
SR
144
145 /*
146 * 2. Select 20 bit SERDES interface.
147 */
210f4aae 148 reg_set16(phy_addr(PCIE, GLOB_CLK_SRC_LO), bf_cfg_sel_20b, 0);
3335786a
SR
149
150 /*
151 * 3. Force to use reg setting for PCIe mode
152 */
210f4aae 153 reg_set16(phy_addr(PCIE, MISC_REG1), bf_sel_bits_pcie_force, 0);
3335786a
SR
154
155 /*
156 * 4. Change RX wait
157 */
210f4aae 158 reg_set16(phy_addr(PCIE, PWR_MGM_TIM1), 0x10C, 0xFFFF);
3335786a
SR
159
160 /*
161 * 5. Enable idle sync
162 */
210f4aae 163 reg_set16(phy_addr(PCIE, UNIT_CTRL), 0x60 | rb_idle_sync_en, 0xFFFF);
3335786a
SR
164
165 /*
166 * 6. Enable the output of 100M/125M/500M clock
167 */
210f4aae 168 reg_set16(phy_addr(PCIE, MISC_REG0),
3335786a
SR
169 0xA00D | rb_clk500m_en | rb_clk100m_125m_en, 0xFFFF);
170
171 /*
172 * 7. Enable TX
173 */
210f4aae 174 reg_set(PCIE_REF_CLK_ADDR, 0x1342, 0xFFFFFFFF);
3335786a
SR
175
176 /*
177 * 8. Check crystal jumper setting and program the Power and PLL
178 * Control accordingly
179 */
180 if (get_ref_clk() == 40) {
210f4aae
MB
181 /* 40 MHz */
182 reg_set16(phy_addr(PCIE, PWR_PLL_CTRL), 0xFC63, 0xFFFF);
3335786a 183 } else {
210f4aae
MB
184 /* 25 MHz */
185 reg_set16(phy_addr(PCIE, PWR_PLL_CTRL), 0xFC62, 0xFFFF);
3335786a
SR
186 }
187
188 /*
189 * 9. Override Speed_PLL value and use MAC PLL
190 */
210f4aae 191 reg_set16(phy_addr(PCIE, KVCO_CAL_CTRL), 0x0040 | rb_use_max_pll_rate,
fae82c8f 192 0xFFFF);
3335786a
SR
193
194 /*
195 * 10. Check the Polarity invert bit
196 */
210f4aae
MB
197 if (invert & PHY_POLARITY_TXD_INVERT)
198 reg_set16(phy_addr(PCIE, SYNC_PATTERN), phy_txd_inv, 0);
3335786a 199
210f4aae
MB
200 if (invert & PHY_POLARITY_RXD_INVERT)
201 reg_set16(phy_addr(PCIE, SYNC_PATTERN), phy_rxd_inv, 0);
3335786a
SR
202
203 /*
204 * 11. Release SW reset
205 */
210f4aae 206 reg_set16(phy_addr(PCIE, GLOB_PHY_CTRL0),
3335786a
SR
207 rb_mode_core_clk_freq_sel | rb_mode_pipe_width_32,
208 bf_soft_rst | bf_mode_refdiv);
209
210 /* Wait for > 55 us to allow PCLK be enabled */
211 udelay(PLL_SET_DELAY_US);
212
213 /* Assert PCLK enabled */
210f4aae
MB
214 ret = comphy_poll_reg(phy_addr(PCIE, LANE_STAT1), /* address */
215 rb_txdclk_pclk_en, /* value */
216 rb_txdclk_pclk_en, /* mask */
217 PLL_LOCK_TIMEOUT, /* timeout */
218 POLL_16B_REG); /* 16bit */
3335786a
SR
219 if (ret == 0)
220 printf("Failed to lock PCIe PLL\n");
221
222 debug_exit();
223
224 /* Return the status of the PLL */
225 return ret;
226}
227
228/*
229 * comphy_sata_power_up
230 *
231 * return: 1 if PLL locked (OK), 0 otherwise (FAIL)
232 */
233static int comphy_sata_power_up(void)
234{
235 int ret;
236
237 debug_enter();
238
239 /*
240 * 0. Swap SATA TX lines
241 */
fae82c8f
MB
242 reg_set(rh_vsreg_addr, vphy_sync_pattern_reg, 0xFFFFFFFF);
243 reg_set(rh_vsreg_data, bs_txd_inv, bs_txd_inv);
3335786a
SR
244
245 /*
246 * 1. Select 40-bit data width width
247 */
fae82c8f
MB
248 reg_set(rh_vsreg_addr, vphy_loopback_reg0, 0xFFFFFFFF);
249 reg_set(rh_vsreg_data, 0x800, bs_phyintf_40bit);
3335786a
SR
250
251 /*
252 * 2. Select reference clock and PHY mode (SATA)
253 */
fae82c8f 254 reg_set(rh_vsreg_addr, vphy_power_reg0, 0xFFFFFFFF);
3335786a 255 if (get_ref_clk() == 40) {
fae82c8f 256 reg_set(rh_vsreg_data, 0x3, 0x00FF); /* 40 MHz */
3335786a 257 } else {
fae82c8f 258 reg_set(rh_vsreg_data, 0x1, 0x00FF); /* 25 MHz */
3335786a
SR
259 }
260
261 /*
262 * 3. Use maximum PLL rate (no power save)
263 */
fae82c8f
MB
264 reg_set(rh_vsreg_addr, vphy_calctl_reg, 0xFFFFFFFF);
265 reg_set(rh_vsreg_data, bs_max_pll_rate, bs_max_pll_rate);
3335786a
SR
266
267 /*
268 * 4. Reset reserved bit (??)
269 */
fae82c8f
MB
270 reg_set(rh_vsreg_addr, vphy_reserve_reg, 0xFFFFFFFF);
271 reg_set(rh_vsreg_data, 0, bs_phyctrl_frm_pin);
3335786a
SR
272
273 /*
274 * 5. Set vendor-specific configuration (??)
275 */
fae82c8f
MB
276 reg_set(rh_vs0_a, vsata_ctrl_reg, 0xFFFFFFFF);
277 reg_set(rh_vs0_d, bs_phy_pu_pll, bs_phy_pu_pll);
3335786a
SR
278
279 /* Wait for > 55 us to allow PLL be enabled */
280 udelay(PLL_SET_DELAY_US);
281
282 /* Assert SATA PLL enabled */
fae82c8f
MB
283 reg_set(rh_vsreg_addr, vphy_loopback_reg0, 0xFFFFFFFF);
284 ret = comphy_poll_reg(rh_vsreg_data, /* address */
285 bs_pll_ready_tx, /* value */
286 bs_pll_ready_tx, /* mask */
287 PLL_LOCK_TIMEOUT, /* timeout */
288 POLL_32B_REG); /* 32bit */
3335786a
SR
289 if (ret == 0)
290 printf("Failed to lock SATA PLL\n");
291
292 debug_exit();
293
294 return ret;
295}
296
297/*
298 * comphy_usb3_power_up
299 *
300 * return: 1 if PLL locked (OK), 0 otherwise (FAIL)
301 */
302static int comphy_usb3_power_up(u32 type, u32 speed, u32 invert)
303{
304 int ret;
305
306 debug_enter();
307
308 /*
309 * 1. Power up OTG module
310 */
fae82c8f 311 reg_set(USB2_PHY_OTG_CTRL_ADDR, rb_pu_otg, 0);
3335786a
SR
312
313 /*
314 * 2. Set counter for 100us pulse in USB3 Host and Device
315 * restore default burst size limit (Reference Clock 31:24)
316 */
fae82c8f 317 reg_set(USB3_CTRPUL_VAL_REG, 0x8 << 24, rb_usb3_ctr_100ns);
3335786a
SR
318
319
320 /* 0xd005c300 = 0x1001 */
321 /* set PRD_TXDEEMPH (3.5db de-emph) */
210f4aae 322 reg_set16(phy_addr(USB3, LANE_CFG0), 0x1, 0xFF);
3335786a
SR
323
324 /*
325 * unset BIT0: set Tx Electrical Idle Mode: Transmitter is in
326 * low impedance mode during electrical idle
327 */
328 /* unset BIT4: set G2 Tx Datapath with no Delayed Latency */
329 /* unset BIT6: set Tx Detect Rx Mode at LoZ mode */
210f4aae 330 reg_set16(phy_addr(USB3, LANE_CFG1), 0x0, 0xFFFF);
3335786a
SR
331
332
333 /* 0xd005c310 = 0x93: set Spread Spectrum Clock Enabled */
210f4aae 334 reg_set16(phy_addr(USB3, LANE_CFG4), bf_spread_spectrum_clock_en, 0x80);
3335786a
SR
335
336 /*
337 * set Override Margining Controls From the MAC: Use margining signals
338 * from lane configuration
339 */
210f4aae
MB
340 reg_set16(phy_addr(USB3, TEST_MODE_CTRL), rb_mode_margin_override,
341 0xFFFF);
3335786a
SR
342
343 /* set Lane-to-Lane Bundle Clock Sampling Period = per PCLK cycles */
344 /* set Mode Clock Source = PCLK is generated from REFCLK */
210f4aae 345 reg_set16(phy_addr(USB3, GLOB_CLK_SRC_LO), 0x0, 0xFF);
3335786a
SR
346
347 /* set G2 Spread Spectrum Clock Amplitude at 4K */
210f4aae 348 reg_set16(phy_addr(USB3, GEN2_SETTINGS_2), g2_tx_ssc_amp, 0xF000);
3335786a
SR
349
350 /*
351 * unset G3 Spread Spectrum Clock Amplitude & set G3 TX and RX Register
352 * Master Current Select
353 */
210f4aae 354 reg_set16(phy_addr(USB3, GEN2_SETTINGS_3), 0x0, 0xFFFF);
3335786a
SR
355
356 /*
357 * 3. Check crystal jumper setting and program the Power and PLL
358 * Control accordingly
359 */
360 if (get_ref_clk() == 40) {
210f4aae
MB
361 /* 40 MHz */
362 reg_set16(phy_addr(USB3, PWR_PLL_CTRL), 0xFCA3, 0xFFFF);
3335786a 363 } else {
210f4aae
MB
364 /* 25 MHz */
365 reg_set16(phy_addr(USB3, PWR_PLL_CTRL), 0xFCA2, 0xFFFF);
3335786a
SR
366 }
367
368 /*
369 * 4. Change RX wait
370 */
210f4aae 371 reg_set16(phy_addr(USB3, PWR_MGM_TIM1), 0x10C, 0xFFFF);
3335786a
SR
372
373 /*
374 * 5. Enable idle sync
375 */
210f4aae 376 reg_set16(phy_addr(USB3, UNIT_CTRL), 0x60 | rb_idle_sync_en, 0xFFFF);
3335786a
SR
377
378 /*
379 * 6. Enable the output of 500M clock
380 */
210f4aae 381 reg_set16(phy_addr(USB3, MISC_REG0), 0xA00D | rb_clk500m_en, 0xFFFF);
3335786a
SR
382
383 /*
384 * 7. Set 20-bit data width
385 */
210f4aae 386 reg_set16(phy_addr(USB3, DIG_LB_EN), 0x0400, 0xFFFF);
3335786a
SR
387
388 /*
389 * 8. Override Speed_PLL value and use MAC PLL
390 */
210f4aae 391 reg_set16(phy_addr(USB3, KVCO_CAL_CTRL), 0x0040 | rb_use_max_pll_rate,
fae82c8f 392 0xFFFF);
3335786a
SR
393
394 /*
395 * 9. Check the Polarity invert bit
396 */
210f4aae
MB
397 if (invert & PHY_POLARITY_TXD_INVERT)
398 reg_set16(phy_addr(USB3, SYNC_PATTERN), phy_txd_inv, 0);
3335786a 399
210f4aae
MB
400 if (invert & PHY_POLARITY_RXD_INVERT)
401 reg_set16(phy_addr(USB3, SYNC_PATTERN), phy_rxd_inv, 0);
3335786a
SR
402
403 /*
404 * 10. Release SW reset
405 */
210f4aae 406 reg_set16(phy_addr(USB3, GLOB_PHY_CTRL0),
3335786a
SR
407 rb_mode_core_clk_freq_sel | rb_mode_pipe_width_32 | 0x20,
408 0xFFFF);
409
410 /* Wait for > 55 us to allow PCLK be enabled */
411 udelay(PLL_SET_DELAY_US);
412
413 /* Assert PCLK enabled */
210f4aae 414 ret = comphy_poll_reg(phy_addr(USB3, LANE_STAT1), /* address */
fae82c8f
MB
415 rb_txdclk_pclk_en, /* value */
416 rb_txdclk_pclk_en, /* mask */
417 PLL_LOCK_TIMEOUT, /* timeout */
418 POLL_16B_REG); /* 16bit */
3335786a
SR
419 if (ret == 0)
420 printf("Failed to lock USB3 PLL\n");
421
422 /*
423 * Set Soft ID for Host mode (Device mode works with Hard ID
424 * detection)
425 */
426 if (type == PHY_TYPE_USB3_HOST0) {
427 /*
428 * set BIT0: set ID_MODE of Host/Device = "Soft ID" (BIT1)
429 * clear BIT1: set SOFT_ID = Host
430 * set BIT4: set INT_MODE = ID. Interrupt Mode: enable
431 * interrupt by ID instead of using both interrupts
432 * of HOST and Device ORed simultaneously
433 * INT_MODE=ID in order to avoid unexpected
434 * behaviour or both interrupts together
435 */
fae82c8f 436 reg_set(USB32_CTRL_BASE,
3335786a
SR
437 usb32_ctrl_id_mode | usb32_ctrl_int_mode,
438 usb32_ctrl_id_mode | usb32_ctrl_soft_id |
439 usb32_ctrl_int_mode);
440 }
441
442 debug_exit();
443
444 return ret;
445}
446
447/*
448 * comphy_usb2_power_up
449 *
450 * return: 1 if PLL locked (OK), 0 otherwise (FAIL)
451 */
452static int comphy_usb2_power_up(u8 usb32)
453{
454 int ret;
455
456 debug_enter();
457
458 if (usb32 != 0 && usb32 != 1) {
459 printf("invalid usb32 value: (%d), should be either 0 or 1\n",
460 usb32);
461 debug_exit();
462 return 0;
463 }
464
465 /*
466 * 0. Setup PLL. 40MHz clock uses defaults.
467 * See "PLL Settings for Typical REFCLK" table
468 */
469 if (get_ref_clk() == 25) {
fae82c8f
MB
470 reg_set(USB2_PHY_BASE(usb32), 5 | (96 << 16),
471 0x3F | (0xFF << 16) | (0x3 << 28));
3335786a
SR
472 }
473
474 /*
475 * 1. PHY pull up and disable USB2 suspend
476 */
fae82c8f 477 reg_set(USB2_PHY_CTRL_ADDR(usb32),
3335786a
SR
478 RB_USB2PHY_SUSPM(usb32) | RB_USB2PHY_PU(usb32), 0);
479
480 if (usb32 != 0) {
481 /*
482 * 2. Power up OTG module
483 */
fae82c8f 484 reg_set(USB2_PHY_OTG_CTRL_ADDR, rb_pu_otg, 0);
3335786a
SR
485
486 /*
487 * 3. Configure PHY charger detection
488 */
fae82c8f 489 reg_set(USB2_PHY_CHRGR_DET_ADDR, 0,
3335786a
SR
490 rb_cdp_en | rb_dcp_en | rb_pd_en | rb_cdp_dm_auto |
491 rb_enswitch_dp | rb_enswitch_dm | rb_pu_chrg_dtc);
492 }
493
494 /* Assert PLL calibration done */
fae82c8f 495 ret = comphy_poll_reg(USB2_PHY_CAL_CTRL_ADDR(usb32),
3335786a
SR
496 rb_usb2phy_pllcal_done, /* value */
497 rb_usb2phy_pllcal_done, /* mask */
498 PLL_LOCK_TIMEOUT, /* timeout */
499 POLL_32B_REG); /* 32bit */
500 if (ret == 0)
501 printf("Failed to end USB2 PLL calibration\n");
502
503 /* Assert impedance calibration done */
fae82c8f 504 ret = comphy_poll_reg(USB2_PHY_CAL_CTRL_ADDR(usb32),
3335786a
SR
505 rb_usb2phy_impcal_done, /* value */
506 rb_usb2phy_impcal_done, /* mask */
507 PLL_LOCK_TIMEOUT, /* timeout */
508 POLL_32B_REG); /* 32bit */
509 if (ret == 0)
510 printf("Failed to end USB2 impedance calibration\n");
511
512 /* Assert squetch calibration done */
fae82c8f 513 ret = comphy_poll_reg(USB2_PHY_RX_CHAN_CTRL1_ADDR(usb32),
3335786a
SR
514 rb_usb2phy_sqcal_done, /* value */
515 rb_usb2phy_sqcal_done, /* mask */
516 PLL_LOCK_TIMEOUT, /* timeout */
517 POLL_32B_REG); /* 32bit */
518 if (ret == 0)
519 printf("Failed to end USB2 unknown calibration\n");
520
521 /* Assert PLL is ready */
fae82c8f 522 ret = comphy_poll_reg(USB2_PHY_PLL_CTRL0_ADDR(usb32),
3335786a
SR
523 rb_usb2phy_pll_ready, /* value */
524 rb_usb2phy_pll_ready, /* mask */
525 PLL_LOCK_TIMEOUT, /* timeout */
526 POLL_32B_REG); /* 32bit */
527
528 if (ret == 0)
529 printf("Failed to lock USB2 PLL\n");
530
531 debug_exit();
532
533 return ret;
534}
535
536/*
537 * comphy_emmc_power_up
538 *
539 * return: 1 if PLL locked (OK), 0 otherwise (FAIL)
540 */
541static int comphy_emmc_power_up(void)
542{
543 debug_enter();
544
545 /*
546 * 1. Bus power ON, Bus voltage 1.8V
547 */
fae82c8f 548 reg_set(SDIO_HOST_CTRL1_ADDR, 0xB00, 0xF00);
3335786a
SR
549
550 /*
551 * 2. Set FIFO parameters
552 */
fae82c8f 553 reg_set(SDIO_SDHC_FIFO_ADDR, 0x315, 0xFFFFFFFF);
3335786a
SR
554
555 /*
556 * 3. Set Capabilities 1_2
557 */
fae82c8f 558 reg_set(SDIO_CAP_12_ADDR, 0x25FAC8B2, 0xFFFFFFFF);
3335786a
SR
559
560 /*
561 * 4. Set Endian
562 */
fae82c8f 563 reg_set(SDIO_ENDIAN_ADDR, 0x00c00000, 0);
3335786a
SR
564
565 /*
566 * 4. Init PHY
567 */
fae82c8f
MB
568 reg_set(SDIO_PHY_TIMING_ADDR, 0x80000000, 0x80000000);
569 reg_set(SDIO_PHY_PAD_CTRL0_ADDR, 0x50000000, 0xF0000000);
3335786a
SR
570
571 /*
572 * 5. DLL reset
573 */
fae82c8f
MB
574 reg_set(SDIO_DLL_RST_ADDR, 0xFFFEFFFF, 0);
575 reg_set(SDIO_DLL_RST_ADDR, 0x00010000, 0);
3335786a
SR
576
577 debug_exit();
578
579 return 1;
580}
581
582/*
583 * comphy_sgmii_power_up
584 *
585 * return:
586 */
587static void comphy_sgmii_phy_init(u32 lane, u32 speed)
588{
589 const int fix_arr_sz = ARRAY_SIZE(sgmii_phy_init_fix);
590 int addr, fix_idx;
591 u16 val;
592
593 fix_idx = 0;
594 for (addr = 0; addr < 512; addr++) {
595 /*
596 * All PHY register values are defined in full for 3.125Gbps
597 * SERDES speed. The values required for 1.25 Gbps are almost
598 * the same and only few registers should be "fixed" in
599 * comparison to 3.125 Gbps values. These register values are
600 * stored in "sgmii_phy_init_fix" array.
601 */
602 if ((speed != PHY_SPEED_1_25G) &&
603 (sgmii_phy_init_fix[fix_idx].addr == addr)) {
604 /* Use new value */
605 val = sgmii_phy_init_fix[fix_idx].value;
606 if (fix_idx < fix_arr_sz)
607 fix_idx++;
608 } else {
609 val = sgmii_phy_init[addr];
610 }
611
63cfff9f 612 reg_set16(sgmiiphy_addr(lane, addr), val, 0xFFFF);
3335786a
SR
613 }
614}
615
616/*
617 * comphy_sgmii_power_up
618 *
619 * return: 1 if PLL locked (OK), 0 otherwise (FAIL)
620 */
621static int comphy_sgmii_power_up(u32 lane, u32 speed, u32 invert)
622{
623 int ret;
624
625 debug_enter();
626
627 /*
628 * 1. Configure PHY to SATA/SAS mode by setting pin PIN_PIPE_SEL=0
629 */
fae82c8f 630 reg_set(COMPHY_SEL_ADDR, 0, rf_compy_select(lane));
3335786a
SR
631
632 /*
633 * 2. Reset PHY by setting PHY input port PIN_RESET=1.
634 * 3. Set PHY input port PIN_TX_IDLE=1, PIN_PU_IVREF=1 to keep
635 * PHY TXP/TXN output to idle state during PHY initialization
636 * 4. Set PHY input port PIN_PU_PLL=0, PIN_PU_RX=0, PIN_PU_TX=0.
637 */
fae82c8f 638 reg_set(COMPHY_PHY_CFG1_ADDR(lane),
3335786a
SR
639 rb_pin_reset_comphy | rb_pin_tx_idle | rb_pin_pu_iveref,
640 rb_pin_reset_core | rb_pin_pu_pll |
641 rb_pin_pu_rx | rb_pin_pu_tx);
642
643 /*
644 * 5. Release reset to the PHY by setting PIN_RESET=0.
645 */
fae82c8f 646 reg_set(COMPHY_PHY_CFG1_ADDR(lane), 0, rb_pin_reset_comphy);
3335786a
SR
647
648 /*
649 * 7. Set PIN_PHY_GEN_TX[3:0] and PIN_PHY_GEN_RX[3:0] to decide
650 * COMPHY bit rate
651 */
652 if (speed == PHY_SPEED_3_125G) { /* 3.125 GHz */
fae82c8f 653 reg_set(COMPHY_PHY_CFG1_ADDR(lane),
3335786a
SR
654 (0x8 << rf_gen_rx_sel_shift) |
655 (0x8 << rf_gen_tx_sel_shift),
656 rf_gen_rx_select | rf_gen_tx_select);
657
658 } else if (speed == PHY_SPEED_1_25G) { /* 1.25 GHz */
fae82c8f 659 reg_set(COMPHY_PHY_CFG1_ADDR(lane),
3335786a
SR
660 (0x6 << rf_gen_rx_sel_shift) |
661 (0x6 << rf_gen_tx_sel_shift),
662 rf_gen_rx_select | rf_gen_tx_select);
663 } else {
664 printf("Unsupported COMPHY speed!\n");
665 return 0;
666 }
667
668 /*
669 * 8. Wait 1mS for bandgap and reference clocks to stabilize;
670 * then start SW programming.
671 */
672 mdelay(10);
673
674 /* 9. Program COMPHY register PHY_MODE */
210f4aae 675 reg_set16(sgmiiphy_addr(lane, PWR_PLL_CTRL),
63cfff9f 676 PHY_MODE_SGMII << rf_phy_mode_shift, rf_phy_mode_mask);
3335786a
SR
677
678 /*
679 * 10. Set COMPHY register REFCLK_SEL to select the correct REFCLK
680 * source
681 */
210f4aae 682 reg_set16(sgmiiphy_addr(lane, MISC_REG0), 0, rb_ref_clk_sel);
3335786a
SR
683
684 /*
685 * 11. Set correct reference clock frequency in COMPHY register
686 * REF_FREF_SEL.
687 */
688 if (get_ref_clk() == 40) {
210f4aae 689 reg_set16(sgmiiphy_addr(lane, PWR_PLL_CTRL),
63cfff9f 690 0x4 << rf_ref_freq_sel_shift, rf_ref_freq_sel_mask);
3335786a
SR
691 } else {
692 /* 25MHz */
210f4aae 693 reg_set16(sgmiiphy_addr(lane, PWR_PLL_CTRL),
63cfff9f 694 0x1 << rf_ref_freq_sel_shift, rf_ref_freq_sel_mask);
3335786a
SR
695 }
696
697 /* 12. Program COMPHY register PHY_GEN_MAX[1:0] */
698 /*
699 * This step is mentioned in the flow received from verification team.
700 * However the PHY_GEN_MAX value is only meaningful for other
701 * interfaces (not SGMII). For instance, it selects SATA speed
702 * 1.5/3/6 Gbps or PCIe speed 2.5/5 Gbps
703 */
704
705 /*
706 * 13. Program COMPHY register SEL_BITS to set correct parallel data
707 * bus width
708 */
709 /* 10bit */
210f4aae 710 reg_set16(sgmiiphy_addr(lane, DIG_LB_EN), 0, rf_data_width_mask);
3335786a
SR
711
712 /*
713 * 14. As long as DFE function needs to be enabled in any mode,
714 * COMPHY register DFE_UPDATE_EN[5:0] shall be programmed to 0x3F
715 * for real chip during COMPHY power on.
716 */
717 /*
718 * The step 14 exists (and empty) in the original initialization flow
719 * obtained from the verification team. According to the functional
720 * specification DFE_UPDATE_EN already has the default value 0x3F
721 */
722
723 /*
724 * 15. Program COMPHY GEN registers.
725 * These registers should be programmed based on the lab testing
726 * result to achieve optimal performance. Please contact the CEA
727 * group to get the related GEN table during real chip bring-up.
728 * We only requred to run though the entire registers programming
729 * flow defined by "comphy_sgmii_phy_init" when the REF clock is
730 * 40 MHz. For REF clock 25 MHz the default values stored in PHY
731 * registers are OK.
732 */
733 debug("Running C-DPI phy init %s mode\n",
734 speed == PHY_SPEED_3_125G ? "2G5" : "1G");
735 if (get_ref_clk() == 40)
736 comphy_sgmii_phy_init(lane, speed);
737
738 /*
739 * 16. [Simulation Only] should not be used for real chip.
740 * By pass power up calibration by programming EXT_FORCE_CAL_DONE
741 * (R02h[9]) to 1 to shorten COMPHY simulation time.
742 */
743 /*
744 * 17. [Simulation Only: should not be used for real chip]
745 * Program COMPHY register FAST_DFE_TIMER_EN=1 to shorten RX
746 * training simulation time.
747 */
748
749 /*
750 * 18. Check the PHY Polarity invert bit
751 */
752 if (invert & PHY_POLARITY_TXD_INVERT)
210f4aae 753 reg_set16(sgmiiphy_addr(lane, SYNC_PATTERN), phy_txd_inv, 0);
3335786a
SR
754
755 if (invert & PHY_POLARITY_RXD_INVERT)
210f4aae 756 reg_set16(sgmiiphy_addr(lane, SYNC_PATTERN), phy_rxd_inv, 0);
3335786a
SR
757
758 /*
759 * 19. Set PHY input ports PIN_PU_PLL, PIN_PU_TX and PIN_PU_RX to 1
760 * to start PHY power up sequence. All the PHY register
761 * programming should be done before PIN_PU_PLL=1. There should be
762 * no register programming for normal PHY operation from this point.
763 */
fae82c8f 764 reg_set(COMPHY_PHY_CFG1_ADDR(lane),
3335786a
SR
765 rb_pin_pu_pll | rb_pin_pu_rx | rb_pin_pu_tx,
766 rb_pin_pu_pll | rb_pin_pu_rx | rb_pin_pu_tx);
767
768 /*
769 * 20. Wait for PHY power up sequence to finish by checking output ports
770 * PIN_PLL_READY_TX=1 and PIN_PLL_READY_RX=1.
771 */
fae82c8f 772 ret = comphy_poll_reg(COMPHY_PHY_STAT1_ADDR(lane), /* address */
3335786a
SR
773 rb_pll_ready_tx | rb_pll_ready_rx, /* value */
774 rb_pll_ready_tx | rb_pll_ready_rx, /* mask */
775 PLL_LOCK_TIMEOUT, /* timeout */
776 POLL_32B_REG); /* 32bit */
777 if (ret == 0)
778 printf("Failed to lock PLL for SGMII PHY %d\n", lane);
779
780 /*
781 * 21. Set COMPHY input port PIN_TX_IDLE=0
782 */
fae82c8f 783 reg_set(COMPHY_PHY_CFG1_ADDR(lane), 0x0, rb_pin_tx_idle);
3335786a
SR
784
785 /*
786 * 22. After valid data appear on PIN_RXDATA bus, set PIN_RX_INIT=1.
787 * to start RX initialization. PIN_RX_INIT_DONE will be cleared to
788 * 0 by the PHY. After RX initialization is done, PIN_RX_INIT_DONE
789 * will be set to 1 by COMPHY. Set PIN_RX_INIT=0 after
790 * PIN_RX_INIT_DONE= 1.
791 * Please refer to RX initialization part for details.
792 */
fae82c8f 793 reg_set(COMPHY_PHY_CFG1_ADDR(lane), rb_phy_rx_init, 0x0);
3335786a 794
fae82c8f 795 ret = comphy_poll_reg(COMPHY_PHY_STAT1_ADDR(lane), /* address */
3335786a
SR
796 rb_rx_init_done, /* value */
797 rb_rx_init_done, /* mask */
798 PLL_LOCK_TIMEOUT, /* timeout */
799 POLL_32B_REG); /* 32bit */
800 if (ret == 0)
801 printf("Failed to init RX of SGMII PHY %d\n", lane);
802
803 debug_exit();
804
805 return ret;
806}
807
808void comphy_dedicated_phys_init(void)
809{
810 int node, usb32, ret = 1;
811 const void *blob = gd->fdt_blob;
812
813 debug_enter();
814
815 for (usb32 = 0; usb32 <= 1; usb32++) {
816 /*
817 * There are 2 UTMI PHYs in this SOC.
818 * One is independendent and one is paired with USB3 port (OTG)
819 */
820 if (usb32 == 0) {
821 node = fdt_node_offset_by_compatible(
822 blob, -1, "marvell,armada-3700-ehci");
823 } else {
824 node = fdt_node_offset_by_compatible(
825 blob, -1, "marvell,armada3700-xhci");
826 }
827
828 if (node > 0) {
829 if (fdtdec_get_is_enabled(blob, node)) {
830 ret = comphy_usb2_power_up(usb32);
831 if (ret == 0)
832 printf("Failed to initialize UTMI PHY\n");
833 else
834 debug("UTMI PHY init succeed\n");
835 } else {
836 debug("USB%d node is disabled\n",
837 usb32 == 0 ? 2 : 3);
838 }
839 } else {
840 debug("No USB%d node in DT\n", usb32 == 0 ? 2 : 3);
841 }
842 }
843
844 node = fdt_node_offset_by_compatible(blob, -1,
845 "marvell,armada-3700-ahci");
846 if (node > 0) {
847 if (fdtdec_get_is_enabled(blob, node)) {
848 ret = comphy_sata_power_up();
849 if (ret == 0)
850 printf("Failed to initialize SATA PHY\n");
851 else
852 debug("SATA PHY init succeed\n");
853 } else {
854 debug("SATA node is disabled\n");
855 }
856 } else {
857 debug("No SATA node in DT\n");
858 }
859
860 node = fdt_node_offset_by_compatible(blob, -1,
14319908 861 "marvell,armada-8k-sdhci");
3335786a 862 if (node <= 0) {
14319908
SR
863 node = fdt_node_offset_by_compatible(
864 blob, -1, "marvell,armada-3700-sdhci");
3335786a
SR
865 }
866
867 if (node > 0) {
868 if (fdtdec_get_is_enabled(blob, node)) {
869 ret = comphy_emmc_power_up();
870 if (ret == 0)
871 printf("Failed to initialize SDIO/eMMC PHY\n");
872 else
873 debug("SDIO/eMMC PHY init succeed\n");
874 } else {
875 debug("SDIO/eMMC node is disabled\n");
876 }
877 } else {
878 debug("No SDIO/eMMC node in DT\n");
879 }
880
881 debug_exit();
882}
883
884int comphy_a3700_init(struct chip_serdes_phy_config *chip_cfg,
885 struct comphy_map *serdes_map)
886{
887 struct comphy_map *comphy_map;
888 u32 comphy_max_count = chip_cfg->comphy_lanes_count;
889 u32 lane, ret = 0;
890
891 debug_enter();
892
893 for (lane = 0, comphy_map = serdes_map; lane < comphy_max_count;
894 lane++, comphy_map++) {
895 debug("Initialize serdes number %d\n", lane);
896 debug("Serdes type = 0x%x invert=%d\n",
897 comphy_map->type, comphy_map->invert);
898
899 switch (comphy_map->type) {
900 case PHY_TYPE_UNCONNECTED:
901 continue;
902 break;
903
904 case PHY_TYPE_PEX0:
905 ret = comphy_pcie_power_up(comphy_map->speed,
906 comphy_map->invert);
907 break;
908
909 case PHY_TYPE_USB3_HOST0:
910 case PHY_TYPE_USB3_DEVICE:
911 ret = comphy_usb3_power_up(comphy_map->type,
912 comphy_map->speed,
913 comphy_map->invert);
914 break;
915
916 case PHY_TYPE_SGMII0:
917 case PHY_TYPE_SGMII1:
918 ret = comphy_sgmii_power_up(lane, comphy_map->speed,
919 comphy_map->invert);
920 break;
921
922 default:
923 debug("Unknown SerDes type, skip initialize SerDes %d\n",
924 lane);
925 ret = 1;
926 break;
927 }
928 if (ret == 0)
929 printf("PLL is not locked - Failed to initialize lane %d\n",
930 lane);
931 }
932
933 debug_exit();
934 return ret;
935}
This page took 0.292784 seconds and 4 git commands to generate.