Merge branch '2021-02-02-drop-asm_global_data-when-unused'
[platform/kernel/u-boot.git] / drivers / phy / marvell / comphy_cp110.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2015-2016 Marvell International Ltd.
4  */
5
6 #include <common.h>
7 #include <fdtdec.h>
8 #include <log.h>
9 #include <asm/global_data.h>
10 #include <asm/io.h>
11 #include <asm/ptrace.h>
12 #include <asm/arch/cpu.h>
13 #include <asm/arch/soc.h>
14 #include <linux/delay.h>
15
16 #include "comphy_core.h"
17 #include "comphy_hpipe.h"
18 #include "sata.h"
19 #include "utmi_phy.h"
20
21 DECLARE_GLOBAL_DATA_PTR;
22
23 #define SD_ADDR(base, lane)                     (base + 0x1000 * lane)
24 #define HPIPE_ADDR(base, lane)                  (SD_ADDR(base, lane) + 0x800)
25 #define COMPHY_ADDR(base, lane)                 (base + 0x28 * lane)
26
27 /* Firmware related definitions used for SMC calls */
28 #define MV_SIP_COMPHY_POWER_ON  0x82000001
29 #define MV_SIP_COMPHY_POWER_OFF 0x82000002
30 #define MV_SIP_COMPHY_PLL_LOCK  0x82000003
31
32 /* Used to distinguish between different possible callers (U-boot/Linux) */
33 #define COMPHY_CALLER_UBOOT                     (0x1 << 21)
34
35 #define COMPHY_FW_MODE_FORMAT(mode)             ((mode) << 12)
36 #define COMPHY_FW_FORMAT(mode, idx, speeds)     \
37                         (((mode) << 12) | ((idx) << 8) | ((speeds) << 2))
38
39 #define COMPHY_FW_PCIE_FORMAT(pcie_width, clk_src, mode, speeds)        \
40                         (COMPHY_CALLER_UBOOT | ((pcie_width) << 18) |   \
41                         ((clk_src) << 17) | COMPHY_FW_FORMAT(mode, 0, speeds))
42
43 #define COMPHY_SATA_MODE        0x1
44 #define COMPHY_SGMII_MODE       0x2     /* SGMII 1G */
45 #define COMPHY_HS_SGMII_MODE    0x3     /* SGMII 2.5G */
46 #define COMPHY_USB3H_MODE       0x4
47 #define COMPHY_USB3D_MODE       0x5
48 #define COMPHY_PCIE_MODE        0x6
49 #define COMPHY_RXAUI_MODE       0x7
50 #define COMPHY_XFI_MODE         0x8
51 #define COMPHY_SFI_MODE         0x9
52 #define COMPHY_USB3_MODE        0xa
53 #define COMPHY_AP_MODE          0xb
54
55 /* Comphy unit index macro */
56 #define COMPHY_UNIT_ID0         0
57 #define COMPHY_UNIT_ID1         1
58 #define COMPHY_UNIT_ID2         2
59 #define COMPHY_UNIT_ID3         3
60
61 struct utmi_phy_data {
62         void __iomem *utmi_base_addr;
63         void __iomem *usb_cfg_addr;
64         void __iomem *utmi_cfg_addr;
65         u32 utmi_phy_port;
66 };
67
68 /*
69  * For CP-110 we have 2 Selector registers "PHY Selectors",
70  * and "PIPE Selectors".
71  * PIPE selector include USB and PCIe options.
72  * PHY selector include the Ethernet and SATA options, every Ethernet
73  * option has different options, for example: serdes lane2 had option
74  * Eth_port_0 that include (SGMII0, RXAUI0, SFI)
75  */
76 struct comphy_mux_data cp110_comphy_phy_mux_data[] = {
77         {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII1, 0x1}, /* Lane 0 */
78              {PHY_TYPE_SATA1, 0x4} } },
79         {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 1 */
80              {PHY_TYPE_SATA0, 0x4} } },
81         {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x1}, /* Lane 2 */
82              {PHY_TYPE_RXAUI0, 0x1}, {PHY_TYPE_SFI, 0x1},
83              {PHY_TYPE_SATA0, 0x4} } },
84         {8, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_RXAUI1, 0x1}, /* Lane 3 */
85              {PHY_TYPE_SGMII1, 0x2}, {PHY_TYPE_SATA1, 0x4} } },
86         {7, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x2}, /* Lane 4 */
87              {PHY_TYPE_RXAUI0, 0x2}, {PHY_TYPE_SFI, 0x2},
88              {PHY_TYPE_SGMII1, 0x1} } },
89         {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 5 */
90              {PHY_TYPE_RXAUI1, 0x2}, {PHY_TYPE_SATA1, 0x4} } },
91 };
92
93 struct comphy_mux_data cp110_comphy_pipe_mux_data[] = {
94         {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX0, 0x4} } }, /* Lane 0 */
95         {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 1 */
96              {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_USB3_DEVICE, 0x2},
97              {PHY_TYPE_PEX0, 0x4} } },
98         {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 2 */
99              {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
100         {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 3 */
101              {PHY_TYPE_USB3_HOST1, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
102         {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 4 */
103              {PHY_TYPE_USB3_HOST1, 0x1},
104              {PHY_TYPE_USB3_DEVICE, 0x2}, {PHY_TYPE_PEX1, 0x4} } },
105         {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX2, 0x4} } }, /* Lane 5 */
106 };
107
108 static u32 polling_with_timeout(void __iomem *addr, u32 val,
109                                 u32 mask, unsigned long usec_timout)
110 {
111         u32 data;
112
113         do {
114                 udelay(1);
115                 data = readl(addr) & mask;
116         } while (data != val  && --usec_timout > 0);
117
118         if (usec_timout == 0)
119                 return data;
120
121         return 0;
122 }
123
124 static int comphy_usb3_power_up(u32 lane, void __iomem *hpipe_base,
125                                 void __iomem *comphy_base)
126 {
127         u32 mask, data, ret = 1;
128         void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
129         void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
130         void __iomem *addr;
131
132         debug_enter();
133         debug("stage: RFU configurations - hard reset comphy\n");
134         /* RFU configurations - hard reset comphy */
135         mask = COMMON_PHY_CFG1_PWR_UP_MASK;
136         data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
137         mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
138         data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
139         mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
140         data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
141         mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
142         data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
143         mask |= COMMON_PHY_PHY_MODE_MASK;
144         data |= 0x1 << COMMON_PHY_PHY_MODE_OFFSET;
145         reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
146
147         /* release from hard reset */
148         mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
149         data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
150         mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
151         data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
152         reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
153
154         /* Wait 1ms - until band gap and ref clock ready */
155         mdelay(1);
156
157         /* Start comphy Configuration */
158         debug("stage: Comphy configuration\n");
159         /* Set PIPE soft reset */
160         mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
161         data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
162         /* Set PHY datapath width mode for V0 */
163         mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
164         data |= 0x0 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
165         /* Set Data bus width USB mode for V0 */
166         mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
167         data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
168         /* Set CORE_CLK output frequency for 250Mhz */
169         mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
170         data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
171         reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
172         /* Set PLL ready delay for 0x2 */
173         reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG,
174                 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET,
175                 HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK);
176         /* Set reference clock to come from group 1 - 25Mhz */
177         reg_set(hpipe_addr + HPIPE_MISC_REG,
178                 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
179                 HPIPE_MISC_REFCLK_SEL_MASK);
180         /* Set reference frequcency select - 0x2 */
181         mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
182         data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
183         /* Set PHY mode to USB - 0x5 */
184         mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
185         data |= 0x5 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
186         reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
187         /* Set the amount of time spent in the LoZ state - set for 0x7 */
188         reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL,
189                 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET,
190                 HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK);
191         /* Set max PHY generation setting - 5Gbps */
192         reg_set(hpipe_addr + HPIPE_INTERFACE_REG,
193                 0x1 << HPIPE_INTERFACE_GEN_MAX_OFFSET,
194                 HPIPE_INTERFACE_GEN_MAX_MASK);
195         /* Set select data width 20Bit (SEL_BITS[2:0]) */
196         reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
197                 0x1 << HPIPE_LOOPBACK_SEL_OFFSET,
198                 HPIPE_LOOPBACK_SEL_MASK);
199         /* select de-emphasize 3.5db */
200         reg_set(hpipe_addr + HPIPE_LANE_CONFIG0_REG,
201                 0x1 << HPIPE_LANE_CONFIG0_TXDEEMPH0_OFFSET,
202                 HPIPE_LANE_CONFIG0_TXDEEMPH0_MASK);
203         /* override tx margining from the MAC */
204         reg_set(hpipe_addr + HPIPE_TST_MODE_CTRL_REG,
205                 0x1 << HPIPE_TST_MODE_CTRL_MODE_MARGIN_OFFSET,
206                 HPIPE_TST_MODE_CTRL_MODE_MARGIN_MASK);
207
208         /* Start analog paramters from ETP(HW) */
209         debug("stage: Analog paramters from ETP(HW)\n");
210         /* Set Pin DFE_PAT_DIS -> Bit[1]: PIN_DFE_PAT_DIS = 0x0 */
211         mask = HPIPE_LANE_CFG4_DFE_CTRL_MASK;
212         data = 0x1 << HPIPE_LANE_CFG4_DFE_CTRL_OFFSET;
213         /* Set Override PHY DFE control pins for 0x1 */
214         mask |= HPIPE_LANE_CFG4_DFE_OVER_MASK;
215         data |= 0x1 << HPIPE_LANE_CFG4_DFE_OVER_OFFSET;
216         /* Set Spread Spectrum Clock Enable fot 0x1 */
217         mask |= HPIPE_LANE_CFG4_SSC_CTRL_MASK;
218         data |= 0x1 << HPIPE_LANE_CFG4_SSC_CTRL_OFFSET;
219         reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
220         /* End of analog parameters */
221
222         debug("stage: Comphy power up\n");
223         /* Release from PIPE soft reset */
224         reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
225                 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
226                 HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
227
228         /* wait 15ms - for comphy calibration done */
229         debug("stage: Check PLL\n");
230         /* Read lane status */
231         addr = hpipe_addr + HPIPE_LANE_STATUS1_REG;
232         data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
233         mask = data;
234         data = polling_with_timeout(addr, data, mask, 15000);
235         if (data != 0) {
236                 debug("Read from reg = %p - value = 0x%x\n",
237                       hpipe_addr + HPIPE_LANE_STATUS1_REG, data);
238                 pr_err("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
239                 ret = 0;
240         }
241
242         debug_exit();
243         return ret;
244 }
245
246 static int comphy_smc(u32 function_id, void __iomem *comphy_base_addr,
247                       u32 lane, u32 mode)
248 {
249         struct pt_regs pregs = {0};
250
251         pregs.regs[0] = function_id;
252         pregs.regs[1] = (unsigned long)comphy_base_addr;
253         pregs.regs[2] = lane;
254         pregs.regs[3] = mode;
255
256         smc_call(&pregs);
257
258         /*
259          * TODO: Firmware return 0 on success, temporary map it to u-boot
260          * convention, but after all comphy will be reworked the convention in
261          * u-boot should be change and this conversion removed
262          */
263         return pregs.regs[0] ? 0 : 1;
264 }
265
266 static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base,
267                                 void __iomem *comphy_base_addr, int cp_index,
268                                 u32 type)
269 {
270         u32 mask, data, i, ret = 1;
271         void __iomem *sata_base = NULL;
272         int sata_node = -1; /* Set to -1 in order to read the first sata node */
273
274         debug_enter();
275
276         /*
277          * Assumption - each CP has only one SATA controller
278          * Calling fdt_node_offset_by_compatible first time (with sata_node = -1
279          * will return the first node always.
280          * In order to parse each CPs SATA node, fdt_node_offset_by_compatible
281          * must be called again (according to the CP id)
282          */
283         for (i = 0; i < (cp_index + 1); i++)
284                 sata_node = fdt_node_offset_by_compatible(
285                         gd->fdt_blob, sata_node, "marvell,armada-8k-ahci");
286
287         if (sata_node == 0) {
288                 pr_err("SATA node not found in FDT\n");
289                 return 0;
290         }
291
292         sata_base = (void __iomem *)fdtdec_get_addr_size_auto_noparent(
293                 gd->fdt_blob, sata_node, "reg", 0, NULL, true);
294         if (sata_base == NULL) {
295                 pr_err("SATA address not found in FDT\n");
296                 return 0;
297         }
298
299         debug("SATA address found in FDT %p\n", sata_base);
300
301         debug("stage: MAC configuration - power down comphy\n");
302         /*
303          * MAC configuration powe down comphy use indirect address for
304          * vendor spesific SATA control register
305          */
306         reg_set(sata_base + SATA3_VENDOR_ADDRESS,
307                 SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
308                 SATA3_VENDOR_ADDR_MASK);
309         /* SATA 0 power down */
310         mask = SATA3_CTRL_SATA0_PD_MASK;
311         data = 0x1 << SATA3_CTRL_SATA0_PD_OFFSET;
312         /* SATA 1 power down */
313         mask |= SATA3_CTRL_SATA1_PD_MASK;
314         data |= 0x1 << SATA3_CTRL_SATA1_PD_OFFSET;
315         /* SATA SSU disable */
316         mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
317         data |= 0x0 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
318         /* SATA port 1 disable */
319         mask |= SATA3_CTRL_SATA_SSU_MASK;
320         data |= 0x0 << SATA3_CTRL_SATA_SSU_OFFSET;
321         reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
322
323         ret = comphy_smc(MV_SIP_COMPHY_POWER_ON, comphy_base_addr, lane, type);
324
325         /*
326          * MAC configuration power up comphy - power up PLL/TX/RX
327          * use indirect address for vendor spesific SATA control register
328          */
329         reg_set(sata_base + SATA3_VENDOR_ADDRESS,
330                 SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
331                 SATA3_VENDOR_ADDR_MASK);
332         /* SATA 0 power up */
333         mask = SATA3_CTRL_SATA0_PD_MASK;
334         data = 0x0 << SATA3_CTRL_SATA0_PD_OFFSET;
335         /* SATA 1 power up */
336         mask |= SATA3_CTRL_SATA1_PD_MASK;
337         data |= 0x0 << SATA3_CTRL_SATA1_PD_OFFSET;
338         /* SATA SSU enable */
339         mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
340         data |= 0x1 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
341         /* SATA port 1 enable */
342         mask |= SATA3_CTRL_SATA_SSU_MASK;
343         data |= 0x1 << SATA3_CTRL_SATA_SSU_OFFSET;
344         reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
345
346         /* MBUS request size and interface select register */
347         reg_set(sata_base + SATA3_VENDOR_ADDRESS,
348                 SATA_MBUS_SIZE_SELECT_REG << SATA3_VENDOR_ADDR_OFSSET,
349                 SATA3_VENDOR_ADDR_MASK);
350         /* Mbus regret enable */
351         reg_set(sata_base + SATA3_VENDOR_DATA,
352                 0x1 << SATA_MBUS_REGRET_EN_OFFSET, SATA_MBUS_REGRET_EN_MASK);
353
354         ret = comphy_smc(MV_SIP_COMPHY_PLL_LOCK, comphy_base_addr, lane, type);
355
356         debug_exit();
357         return ret;
358 }
359
360 static int comphy_rxauii_power_up(u32 lane, void __iomem *hpipe_base,
361                                   void __iomem *comphy_base)
362 {
363         u32 mask, data, ret = 1;
364         void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
365         void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
366         void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
367         void __iomem *addr;
368
369         debug_enter();
370         debug("stage: RFU configurations - hard reset comphy\n");
371         /* RFU configurations - hard reset comphy */
372         mask = COMMON_PHY_CFG1_PWR_UP_MASK;
373         data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
374         mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
375         data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
376         reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
377
378         if (lane == 2) {
379                 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
380                         0x1 << COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET,
381                         COMMON_PHY_SD_CTRL1_RXAUI0_MASK);
382         }
383         if (lane == 4) {
384                 reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
385                         0x1 << COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET,
386                         COMMON_PHY_SD_CTRL1_RXAUI1_MASK);
387         }
388
389         /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
390         mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
391         data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
392         mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
393         data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
394         mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
395         data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
396         mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
397         data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
398         mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
399         data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
400         mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
401         data |= 0x0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
402         mask |= SD_EXTERNAL_CONFIG0_MEDIA_MODE_MASK;
403         data |= 0x1 << SD_EXTERNAL_CONFIG0_MEDIA_MODE_OFFSET;
404         reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
405
406         /* release from hard reset */
407         mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
408         data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
409         mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
410         data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
411         mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
412         data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
413         reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
414
415         mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
416         data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
417         mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
418         data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
419         reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
420
421         /* Wait 1ms - until band gap and ref clock ready */
422         mdelay(1);
423
424         /* Start comphy Configuration */
425         debug("stage: Comphy configuration\n");
426         /* set reference clock */
427         reg_set(hpipe_addr + HPIPE_MISC_REG,
428                 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
429                 HPIPE_MISC_REFCLK_SEL_MASK);
430         /* Power and PLL Control */
431         mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
432         data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
433         mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
434         data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
435         reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
436         /* Loopback register */
437         reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
438                 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK);
439         /* rx control 1 */
440         mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
441         data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
442         mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
443         data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
444         reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
445         /* DTL Control */
446         reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG,
447                 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET,
448                 HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK);
449
450         /* Set analog paramters from ETP(HW) */
451         debug("stage: Analog paramters from ETP(HW)\n");
452         /* SERDES External Configuration 2 */
453         reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG,
454                 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET,
455                 SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK);
456         /* 0x7-DFE Resolution control */
457         reg_set(hpipe_addr + HPIPE_DFE_REG0, 0x1 << HPIPE_DFE_RES_FORCE_OFFSET,
458                 HPIPE_DFE_RES_FORCE_MASK);
459         /* 0xd-G1_Setting_0 */
460         reg_set(hpipe_addr + HPIPE_G1_SET_0_REG,
461                 0xd << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET,
462                 HPIPE_G1_SET_0_G1_TX_EMPH1_MASK);
463         /* 0xE-G1_Setting_1 */
464         mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
465         data = 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
466         mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
467         data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
468         mask |= HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK;
469         data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET;
470         reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
471         /* 0xA-DFE_Reg3 */
472         mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
473         data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
474         mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
475         data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
476         reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
477
478         /* 0x111-G1_Setting_4 */
479         mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK;
480         data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
481         reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
482
483         debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
484         /* SERDES External Configuration */
485         mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
486         data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
487         mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
488         data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
489         mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
490         data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
491         reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
492
493
494         /* check PLL rx & tx ready */
495         addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
496         data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
497                 SD_EXTERNAL_STATUS0_PLL_TX_MASK;
498         mask = data;
499         data = polling_with_timeout(addr, data, mask, 15000);
500         if (data != 0) {
501                 debug("Read from reg = %p - value = 0x%x\n",
502                       sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
503                 pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
504                       (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
505                       (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
506                 ret = 0;
507         }
508
509         /* RX init */
510         reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG,
511                 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET,
512                 SD_EXTERNAL_CONFIG1_RX_INIT_MASK);
513
514         /* check that RX init done */
515         addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
516         data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
517         mask = data;
518         data = polling_with_timeout(addr, data, mask, 100);
519         if (data != 0) {
520                 debug("Read from reg = %p - value = 0x%x\n",
521                       sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
522                 pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
523                 ret = 0;
524         }
525
526         debug("stage: RF Reset\n");
527         /* RF Reset */
528         mask =  SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
529         data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
530         mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
531         data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
532         reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
533
534         debug_exit();
535         return ret;
536 }
537
538 static void comphy_utmi_power_down(u32 utmi_index, void __iomem *utmi_base_addr,
539                                    void __iomem *usb_cfg_addr,
540                                    void __iomem *utmi_cfg_addr,
541                                    u32 utmi_phy_port)
542 {
543         u32 mask, data;
544
545         debug_enter();
546         debug("stage:  UTMI %d - Power down transceiver (power down Phy), Power down PLL, and SuspendDM\n",
547               utmi_index);
548         /* Power down UTMI PHY */
549         reg_set(utmi_cfg_addr, 0x0 << UTMI_PHY_CFG_PU_OFFSET,
550                 UTMI_PHY_CFG_PU_MASK);
551
552         /*
553          * If UTMI connected to USB Device, configure mux prior to PHY init
554          * (Device can be connected to UTMI0 or to UTMI1)
555          */
556         if (utmi_phy_port == UTMI_PHY_TO_USB3_DEVICE0) {
557                 debug("stage:  UTMI %d - Enable Device mode and configure UTMI mux\n",
558                       utmi_index);
559                 /* USB3 Device UTMI enable */
560                 mask = UTMI_USB_CFG_DEVICE_EN_MASK;
561                 data = 0x1 << UTMI_USB_CFG_DEVICE_EN_OFFSET;
562                 /* USB3 Device UTMI MUX */
563                 mask |= UTMI_USB_CFG_DEVICE_MUX_MASK;
564                 data |= utmi_index << UTMI_USB_CFG_DEVICE_MUX_OFFSET;
565                 reg_set(usb_cfg_addr,  data, mask);
566         }
567
568         /* Set Test suspendm mode */
569         mask = UTMI_CTRL_STATUS0_SUSPENDM_MASK;
570         data = 0x1 << UTMI_CTRL_STATUS0_SUSPENDM_OFFSET;
571         /* Enable Test UTMI select */
572         mask |= UTMI_CTRL_STATUS0_TEST_SEL_MASK;
573         data |= 0x1 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET;
574         reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, data, mask);
575
576         /* Wait for UTMI power down */
577         mdelay(1);
578
579         debug_exit();
580         return;
581 }
582
583 static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_base_addr,
584                                    void __iomem *usb_cfg_addr,
585                                    void __iomem *utmi_cfg_addr,
586                                    u32 utmi_phy_port)
587 {
588         u32 mask, data;
589
590         debug_exit();
591         debug("stage: Configure UTMI PHY %d registers\n", utmi_index);
592         /* Reference Clock Divider Select */
593         mask = UTMI_PLL_CTRL_REFDIV_MASK;
594         data = 0x5 << UTMI_PLL_CTRL_REFDIV_OFFSET;
595         /* Feedback Clock Divider Select - 90 for 25Mhz*/
596         mask |= UTMI_PLL_CTRL_FBDIV_MASK;
597         data |= 0x60 << UTMI_PLL_CTRL_FBDIV_OFFSET;
598         /* Select LPFR - 0x0 for 25Mhz/5=5Mhz*/
599         mask |= UTMI_PLL_CTRL_SEL_LPFR_MASK;
600         data |= 0x0 << UTMI_PLL_CTRL_SEL_LPFR_OFFSET;
601         reg_set(utmi_base_addr + UTMI_PLL_CTRL_REG, data, mask);
602
603         /* Impedance Calibration Threshold Setting */
604         reg_set(utmi_base_addr + UTMI_CALIB_CTRL_REG,
605                 0x6 << UTMI_CALIB_CTRL_IMPCAL_VTH_OFFSET,
606                 UTMI_CALIB_CTRL_IMPCAL_VTH_MASK);
607
608         /* Set LS TX driver strength coarse control */
609         mask = UTMI_TX_CH_CTRL_DRV_EN_LS_MASK;
610         data = 0x3 << UTMI_TX_CH_CTRL_DRV_EN_LS_OFFSET;
611         /* Set LS TX driver fine adjustment */
612         mask |= UTMI_TX_CH_CTRL_IMP_SEL_LS_MASK;
613         data |= 0x3 << UTMI_TX_CH_CTRL_IMP_SEL_LS_OFFSET;
614         reg_set(utmi_base_addr + UTMI_TX_CH_CTRL_REG, data, mask);
615
616         /* Enable SQ */
617         mask = UTMI_RX_CH_CTRL0_SQ_DET_MASK;
618         data = 0x0 << UTMI_RX_CH_CTRL0_SQ_DET_OFFSET;
619         /* Enable analog squelch detect */
620         mask |= UTMI_RX_CH_CTRL0_SQ_ANA_DTC_MASK;
621         data |= 0x1 << UTMI_RX_CH_CTRL0_SQ_ANA_DTC_OFFSET;
622         reg_set(utmi_base_addr + UTMI_RX_CH_CTRL0_REG, data, mask);
623
624         /* Set External squelch calibration number */
625         mask = UTMI_RX_CH_CTRL1_SQ_AMP_CAL_MASK;
626         data = 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET;
627         /* Enable the External squelch calibration */
628         mask |= UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_MASK;
629         data |= 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_OFFSET;
630         reg_set(utmi_base_addr + UTMI_RX_CH_CTRL1_REG, data, mask);
631
632         /* Set Control VDAT Reference Voltage - 0.325V */
633         mask = UTMI_CHGDTC_CTRL_VDAT_MASK;
634         data = 0x1 << UTMI_CHGDTC_CTRL_VDAT_OFFSET;
635         /* Set Control VSRC Reference Voltage - 0.6V */
636         mask |= UTMI_CHGDTC_CTRL_VSRC_MASK;
637         data |= 0x1 << UTMI_CHGDTC_CTRL_VSRC_OFFSET;
638         reg_set(utmi_base_addr + UTMI_CHGDTC_CTRL_REG, data, mask);
639
640         debug_exit();
641         return;
642 }
643
644 static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_base_addr,
645                                 void __iomem *usb_cfg_addr,
646                                 void __iomem *utmi_cfg_addr, u32 utmi_phy_port)
647 {
648         u32 data, mask, ret = 1;
649         void __iomem *addr;
650
651         debug_enter();
652         debug("stage: UTMI %d - Power up transceiver(Power up Phy), and exit SuspendDM\n",
653               utmi_index);
654         /* Power UP UTMI PHY */
655         reg_set(utmi_cfg_addr, 0x1 << UTMI_PHY_CFG_PU_OFFSET,
656                 UTMI_PHY_CFG_PU_MASK);
657         /* Disable Test UTMI select */
658         reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG,
659                 0x0 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET,
660                 UTMI_CTRL_STATUS0_TEST_SEL_MASK);
661
662         debug("stage: Polling for PLL and impedance calibration done, and PLL ready done\n");
663         addr = utmi_base_addr + UTMI_CALIB_CTRL_REG;
664         data = UTMI_CALIB_CTRL_IMPCAL_DONE_MASK;
665         mask = data;
666         data = polling_with_timeout(addr, data, mask, 100);
667         if (data != 0) {
668                 pr_err("Impedance calibration is not done\n");
669                 debug("Read from reg = %p - value = 0x%x\n", addr, data);
670                 ret = 0;
671         }
672
673         data = UTMI_CALIB_CTRL_PLLCAL_DONE_MASK;
674         mask = data;
675         data = polling_with_timeout(addr, data, mask, 100);
676         if (data != 0) {
677                 pr_err("PLL calibration is not done\n");
678                 debug("Read from reg = %p - value = 0x%x\n", addr, data);
679                 ret = 0;
680         }
681
682         addr = utmi_base_addr + UTMI_PLL_CTRL_REG;
683         data = UTMI_PLL_CTRL_PLL_RDY_MASK;
684         mask = data;
685         data = polling_with_timeout(addr, data, mask, 100);
686         if (data != 0) {
687                 pr_err("PLL is not ready\n");
688                 debug("Read from reg = %p - value = 0x%x\n", addr, data);
689                 ret = 0;
690         }
691
692         if (ret)
693                 debug("Passed\n");
694         else
695                 debug("\n");
696
697         debug_exit();
698         return ret;
699 }
700
701 /*
702  * comphy_utmi_phy_init initialize the UTMI PHY
703  * the init split in 3 parts:
704  * 1. Power down transceiver and PLL
705  * 2. UTMI PHY configure
706  * 3. Powe up transceiver and PLL
707  * Note: - Power down/up should be once for both UTMI PHYs
708  *       - comphy_dedicated_phys_init call this function if at least there is
709  *         one UTMI PHY exists in FDT blob. access to cp110_utmi_data[0] is
710  *         legal
711  */
712 static void comphy_utmi_phy_init(u32 utmi_phy_count,
713                                  struct utmi_phy_data *cp110_utmi_data)
714 {
715         u32 i;
716
717         debug_enter();
718         /* UTMI Power down */
719         for (i = 0; i < utmi_phy_count; i++) {
720                 comphy_utmi_power_down(i, cp110_utmi_data[i].utmi_base_addr,
721                                        cp110_utmi_data[i].usb_cfg_addr,
722                                        cp110_utmi_data[i].utmi_cfg_addr,
723                                        cp110_utmi_data[i].utmi_phy_port);
724         }
725         /* PLL Power down */
726         debug("stage: UTMI PHY power down PLL\n");
727         for (i = 0; i < utmi_phy_count; i++) {
728                 reg_set(cp110_utmi_data[i].usb_cfg_addr,
729                         0x0 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
730         }
731         /* UTMI configure */
732         for (i = 0; i < utmi_phy_count; i++) {
733                 comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_base_addr,
734                                        cp110_utmi_data[i].usb_cfg_addr,
735                                        cp110_utmi_data[i].utmi_cfg_addr,
736                                        cp110_utmi_data[i].utmi_phy_port);
737         }
738         /* UTMI Power up */
739         for (i = 0; i < utmi_phy_count; i++) {
740                 if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_base_addr,
741                                           cp110_utmi_data[i].usb_cfg_addr,
742                                           cp110_utmi_data[i].utmi_cfg_addr,
743                                           cp110_utmi_data[i].utmi_phy_port)) {
744                         pr_err("Failed to initialize UTMI PHY %d\n", i);
745                         continue;
746                 }
747                 printf("UTMI PHY %d initialized to ", i);
748                 if (cp110_utmi_data[i].utmi_phy_port ==
749                     UTMI_PHY_TO_USB3_DEVICE0)
750                         printf("USB Device\n");
751                 else
752                         printf("USB Host%d\n",
753                                cp110_utmi_data[i].utmi_phy_port);
754         }
755         /* PLL Power up */
756         debug("stage: UTMI PHY power up PLL\n");
757         for (i = 0; i < utmi_phy_count; i++) {
758                 reg_set(cp110_utmi_data[i].usb_cfg_addr,
759                         0x1 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
760         }
761
762         debug_exit();
763         return;
764 }
765
766 /*
767  * comphy_dedicated_phys_init initialize the dedicated PHYs
768  * - not muxed SerDes lanes e.g. UTMI PHY
769  */
770 void comphy_dedicated_phys_init(void)
771 {
772         struct utmi_phy_data cp110_utmi_data[MAX_UTMI_PHY_COUNT];
773         int node;
774         int i;
775
776         debug_enter();
777         debug("Initialize USB UTMI PHYs\n");
778
779         /* Find the UTMI phy node in device tree and go over them */
780         node = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
781                                              "marvell,mvebu-utmi-2.6.0");
782
783         i = 0;
784         while (node > 0) {
785                 /* get base address of UTMI phy */
786                 cp110_utmi_data[i].utmi_base_addr =
787                         (void __iomem *)fdtdec_get_addr_size_auto_noparent(
788                                 gd->fdt_blob, node, "reg", 0, NULL, true);
789                 if (cp110_utmi_data[i].utmi_base_addr == NULL) {
790                         pr_err("UTMI PHY base address is invalid\n");
791                         i++;
792                         continue;
793                 }
794
795                 /* get usb config address */
796                 cp110_utmi_data[i].usb_cfg_addr =
797                         (void __iomem *)fdtdec_get_addr_size_auto_noparent(
798                                 gd->fdt_blob, node, "reg", 1, NULL, true);
799                 if (cp110_utmi_data[i].usb_cfg_addr == NULL) {
800                         pr_err("UTMI PHY base address is invalid\n");
801                         i++;
802                         continue;
803                 }
804
805                 /* get UTMI config address */
806                 cp110_utmi_data[i].utmi_cfg_addr =
807                         (void __iomem *)fdtdec_get_addr_size_auto_noparent(
808                                 gd->fdt_blob, node, "reg", 2, NULL, true);
809                 if (cp110_utmi_data[i].utmi_cfg_addr == NULL) {
810                         pr_err("UTMI PHY base address is invalid\n");
811                         i++;
812                         continue;
813                 }
814
815                 /*
816                  * get the port number (to check if the utmi connected to
817                  * host/device)
818                  */
819                 cp110_utmi_data[i].utmi_phy_port = fdtdec_get_int(
820                         gd->fdt_blob, node, "utmi-port", UTMI_PHY_INVALID);
821                 if (cp110_utmi_data[i].utmi_phy_port == UTMI_PHY_INVALID) {
822                         pr_err("UTMI PHY port type is invalid\n");
823                         i++;
824                         continue;
825                 }
826
827                 node = fdt_node_offset_by_compatible(
828                         gd->fdt_blob, node, "marvell,mvebu-utmi-2.6.0");
829                 i++;
830         }
831
832         if (i > 0)
833                 comphy_utmi_phy_init(i, cp110_utmi_data);
834
835         debug_exit();
836 }
837
838 static void comphy_mux_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
839                                   struct comphy_map *serdes_map)
840 {
841         void __iomem *comphy_base_addr;
842         struct comphy_map comphy_map_pipe_data[MAX_LANE_OPTIONS];
843         struct comphy_map comphy_map_phy_data[MAX_LANE_OPTIONS];
844         u32 lane, comphy_max_count;
845
846         comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
847         comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
848
849         /*
850          * Copy the SerDes map configuration for PIPE map and PHY map
851          * the comphy_mux_init modify the type of the lane if the type
852          * is not valid because we have 2 selectores run the
853          * comphy_mux_init twice and after that update the original
854          * serdes_map
855          */
856         for (lane = 0; lane < comphy_max_count; lane++) {
857                 comphy_map_pipe_data[lane].type = serdes_map[lane].type;
858                 comphy_map_pipe_data[lane].speed = serdes_map[lane].speed;
859                 comphy_map_phy_data[lane].type = serdes_map[lane].type;
860                 comphy_map_phy_data[lane].speed = serdes_map[lane].speed;
861         }
862         ptr_chip_cfg->mux_data = cp110_comphy_phy_mux_data;
863         comphy_mux_init(ptr_chip_cfg, comphy_map_phy_data,
864                         comphy_base_addr + COMMON_SELECTOR_PHY_OFFSET);
865
866         ptr_chip_cfg->mux_data = cp110_comphy_pipe_mux_data;
867         comphy_mux_init(ptr_chip_cfg, comphy_map_pipe_data,
868                         comphy_base_addr + COMMON_SELECTOR_PIPE_OFFSET);
869         /* Fix the type after check the PHY and PIPE configuration */
870         for (lane = 0; lane < comphy_max_count; lane++) {
871                 if ((comphy_map_pipe_data[lane].type == PHY_TYPE_UNCONNECTED) &&
872                     (comphy_map_phy_data[lane].type == PHY_TYPE_UNCONNECTED))
873                         serdes_map[lane].type = PHY_TYPE_UNCONNECTED;
874         }
875 }
876
877 int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
878                       struct comphy_map *serdes_map)
879 {
880         struct comphy_map *ptr_comphy_map;
881         void __iomem *comphy_base_addr, *hpipe_base_addr;
882         u32 comphy_max_count, lane, ret = 0;
883         u32 pcie_width = 0;
884         u32 mode;
885
886         debug_enter();
887
888         comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
889         comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
890         hpipe_base_addr = ptr_chip_cfg->hpipe3_base_addr;
891
892         /* Config Comphy mux configuration */
893         comphy_mux_cp110_init(ptr_chip_cfg, serdes_map);
894
895         /* Check if the first 4 lanes configured as By-4 */
896         for (lane = 0, ptr_comphy_map = serdes_map; lane < 4;
897              lane++, ptr_comphy_map++) {
898                 if (ptr_comphy_map->type != PHY_TYPE_PEX0)
899                         break;
900                 pcie_width++;
901         }
902
903         for (lane = 0, ptr_comphy_map = serdes_map; lane < comphy_max_count;
904              lane++, ptr_comphy_map++) {
905                 debug("Initialize serdes number %d\n", lane);
906                 debug("Serdes type = 0x%x\n", ptr_comphy_map->type);
907                 if (lane == 4) {
908                         /*
909                          * PCIe lanes above the first 4 lanes, can be only
910                          * by1
911                          */
912                         pcie_width = 1;
913                 }
914                 switch (ptr_comphy_map->type) {
915                 case PHY_TYPE_UNCONNECTED:
916                 case PHY_TYPE_IGNORE:
917                         continue;
918                         break;
919                 case PHY_TYPE_PEX0:
920                 case PHY_TYPE_PEX1:
921                 case PHY_TYPE_PEX2:
922                 case PHY_TYPE_PEX3:
923                         mode = COMPHY_FW_PCIE_FORMAT(pcie_width,
924                                                      ptr_comphy_map->clk_src,
925                                                      COMPHY_PCIE_MODE,
926                                                      ptr_comphy_map->speed);
927                         ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
928                                          ptr_chip_cfg->comphy_base_addr, lane,
929                                          mode);
930                         break;
931                 case PHY_TYPE_SATA0:
932                 case PHY_TYPE_SATA1:
933                 case PHY_TYPE_SATA2:
934                 case PHY_TYPE_SATA3:
935                         mode =  COMPHY_FW_MODE_FORMAT(COMPHY_SATA_MODE);
936                         ret = comphy_sata_power_up(lane, hpipe_base_addr,
937                                                    comphy_base_addr,
938                                                    ptr_chip_cfg->cp_index,
939                                                    mode);
940                         break;
941                 case PHY_TYPE_USB3_HOST0:
942                 case PHY_TYPE_USB3_HOST1:
943                 case PHY_TYPE_USB3_DEVICE:
944                         ret = comphy_usb3_power_up(lane, hpipe_base_addr,
945                                                    comphy_base_addr);
946                         break;
947                 case PHY_TYPE_SGMII0:
948                 case PHY_TYPE_SGMII1:
949                         if (ptr_comphy_map->speed == PHY_SPEED_INVALID) {
950                                 debug("Warning: ");
951                                 debug("SGMII PHY speed in lane %d is invalid,",
952                                       lane);
953                                 debug(" set PHY speed to 1.25G\n");
954                                 ptr_comphy_map->speed = PHY_SPEED_1_25G;
955                         }
956
957                         /*
958                          * UINIT_ID not relevant for SGMII0 and SGMII1 - will be
959                          * ignored by firmware
960                          */
961                         mode = COMPHY_FW_FORMAT(COMPHY_SGMII_MODE,
962                                                 COMPHY_UNIT_ID0,
963                                                 ptr_comphy_map->speed);
964                         ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
965                                          ptr_chip_cfg->comphy_base_addr, lane,
966                                          mode);
967                         break;
968                 case PHY_TYPE_SGMII2:
969                 case PHY_TYPE_SGMII3:
970                         if (ptr_comphy_map->speed == PHY_SPEED_INVALID) {
971                                 debug("Warning: SGMII PHY speed in lane %d is invalid, set PHY speed to 1.25G\n",
972                                       lane);
973                                 ptr_comphy_map->speed = PHY_SPEED_1_25G;
974                         }
975
976                         mode = COMPHY_FW_FORMAT(COMPHY_SGMII_MODE,
977                                                 COMPHY_UNIT_ID2,
978                                                 ptr_comphy_map->speed);
979                         ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
980                                          ptr_chip_cfg->comphy_base_addr, lane,
981                                          mode);
982                         break;
983                 case PHY_TYPE_SFI:
984                         mode = COMPHY_FW_FORMAT(COMPHY_SFI_MODE,
985                                                 COMPHY_UNIT_ID0,
986                                                 ptr_comphy_map->speed);
987                         ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
988                                          ptr_chip_cfg->comphy_base_addr, lane,
989                                          mode);
990                         break;
991                 case PHY_TYPE_RXAUI0:
992                 case PHY_TYPE_RXAUI1:
993                         ret = comphy_rxauii_power_up(lane, hpipe_base_addr,
994                                                      comphy_base_addr);
995                         break;
996                 default:
997                         debug("Unknown SerDes type, skip initialize SerDes %d\n",
998                               lane);
999                         break;
1000                 }
1001                 if (ret == 0) {
1002                         /*
1003                          * If interface wans't initialized, set the lane to
1004                          * PHY_TYPE_UNCONNECTED state.
1005                          */
1006                         ptr_comphy_map->type = PHY_TYPE_UNCONNECTED;
1007                         pr_err("PLL is not locked - Failed to initialize lane %d\n",
1008                               lane);
1009                 }
1010         }
1011
1012         debug_exit();
1013         return 0;
1014 }