1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2011-2015 Freescale Semiconductor, Inc.
4 */
5 #include <errno.h>
6 #include <common.h>
7 #include <asm/io.h>
8 #include <fdt_support.h>
9 #include <fsl_mdio.h>
10 #ifdef CONFIG_FSL_LAYERSCAPE
11 #include <asm/arch/fsl_serdes.h>
12 #else
13 #include <asm/fsl_serdes.h>
14 #endif
15
16 #include "fm.h"
17
18 struct fm_eth_info fm_info[] = {
19 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 1)
20 FM_DTSEC_INFO_INITIALIZER(1, 1),
21 #endif
22 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 2)
23 FM_DTSEC_INFO_INITIALIZER(1, 2),
24 #endif
25 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 3)
26 FM_DTSEC_INFO_INITIALIZER(1, 3),
27 #endif
28 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 4)
29 FM_DTSEC_INFO_INITIALIZER(1, 4),
30 #endif
31 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 5)
32 FM_DTSEC_INFO_INITIALIZER(1, 5),
33 #endif
34 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 6)
35 FM_DTSEC_INFO_INITIALIZER(1, 6),
36 #endif
37 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 7)
38 FM_DTSEC_INFO_INITIALIZER(1, 9),
39 #endif
40 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 8)
41 FM_DTSEC_INFO_INITIALIZER(1, 10),
42 #endif
43 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 1)
44 FM_DTSEC_INFO_INITIALIZER(2, 1),
45 #endif
46 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 2)
47 FM_DTSEC_INFO_INITIALIZER(2, 2),
48 #endif
49 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 3)
50 FM_DTSEC_INFO_INITIALIZER(2, 3),
51 #endif
52 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 4)
53 FM_DTSEC_INFO_INITIALIZER(2, 4),
54 #endif
55 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 5)
56 FM_DTSEC_INFO_INITIALIZER(2, 5),
57 #endif
58 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 6)
59 FM_DTSEC_INFO_INITIALIZER(2, 6),
60 #endif
61 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 7)
62 FM_DTSEC_INFO_INITIALIZER(2, 9),
63 #endif
64 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 8)
65 FM_DTSEC_INFO_INITIALIZER(2, 10),
66 #endif
67 #if (CONFIG_SYS_NUM_FM1_10GEC >= 1)
68 FM_TGEC_INFO_INITIALIZER(1, 1),
69 #endif
70 #if (CONFIG_SYS_NUM_FM1_10GEC >= 2)
71 FM_TGEC_INFO_INITIALIZER(1, 2),
72 #endif
73 #if (CONFIG_SYS_NUM_FM1_10GEC >= 3)
74 FM_TGEC_INFO_INITIALIZER2(1, 3),
75 #endif
76 #if (CONFIG_SYS_NUM_FM1_10GEC >= 4)
77 FM_TGEC_INFO_INITIALIZER2(1, 4),
78 #endif
79 #if (CONFIG_SYS_NUM_FM2_10GEC >= 1)
80 FM_TGEC_INFO_INITIALIZER(2, 1),
81 #endif
82 #if (CONFIG_SYS_NUM_FM2_10GEC >= 2)
83 FM_TGEC_INFO_INITIALIZER(2, 2),
84 #endif
85 };
86
fm_standard_init(bd_t * bis)87 int fm_standard_init(bd_t *bis)
88 {
89 int i;
90 struct ccsr_fman *reg;
91
92 reg = (void *)CONFIG_SYS_FSL_FM1_ADDR;
93 if (fm_init_common(0, reg))
94 return 0;
95
96 for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
97 if ((fm_info[i].enabled) && (fm_info[i].index == 1))
98 fm_eth_initialize(reg, &fm_info[i]);
99 }
100
101 #if (CONFIG_SYS_NUM_FMAN == 2)
102 reg = (void *)CONFIG_SYS_FSL_FM2_ADDR;
103 if (fm_init_common(1, reg))
104 return 0;
105
106 for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
107 if ((fm_info[i].enabled) && (fm_info[i].index == 2))
108 fm_eth_initialize(reg, &fm_info[i]);
109 }
110 #endif
111
112 return 1;
113 }
114
115 /* simple linear search to map from port to array index */
fm_port_to_index(enum fm_port port)116 static int fm_port_to_index(enum fm_port port)
117 {
118 int i;
119
120 for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
121 if (fm_info[i].port == port)
122 return i;
123 }
124
125 return -1;
126 }
127
128 /*
129 * Determine if an interface is actually active based on HW config
130 * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if
131 * the interface is not active based on HW cfg of the SoC
132 */
fman_enet_init(void)133 void fman_enet_init(void)
134 {
135 int i;
136
137 for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
138 phy_interface_t enet_if;
139
140 enet_if = fman_port_enet_if(fm_info[i].port);
141 if (enet_if != PHY_INTERFACE_MODE_NONE) {
142 fm_info[i].enabled = 1;
143 fm_info[i].enet_if = enet_if;
144 } else {
145 fm_info[i].enabled = 0;
146 }
147 }
148
149 return ;
150 }
151
fm_disable_port(enum fm_port port)152 void fm_disable_port(enum fm_port port)
153 {
154 int i = fm_port_to_index(port);
155
156 if (i == -1)
157 return;
158
159 fm_info[i].enabled = 0;
160 #ifndef CONFIG_SYS_FMAN_V3
161 fman_disable_port(port);
162 #endif
163 }
164
fm_enable_port(enum fm_port port)165 void fm_enable_port(enum fm_port port)
166 {
167 int i = fm_port_to_index(port);
168
169 if (i == -1)
170 return;
171
172 fm_info[i].enabled = 1;
173 fman_enable_port(port);
174 }
175
fm_info_set_mdio(enum fm_port port,struct mii_dev * bus)176 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus)
177 {
178 int i = fm_port_to_index(port);
179
180 if (i == -1)
181 return;
182
183 fm_info[i].bus = bus;
184 }
185
fm_info_set_phy_address(enum fm_port port,int address)186 void fm_info_set_phy_address(enum fm_port port, int address)
187 {
188 int i = fm_port_to_index(port);
189
190 if (i == -1)
191 return;
192
193 fm_info[i].phy_addr = address;
194 }
195
196 /*
197 * Returns the PHY address for a given Fman port
198 *
199 * The port must be set via a prior call to fm_info_set_phy_address().
200 * A negative error code is returned if the port is invalid.
201 */
fm_info_get_phy_address(enum fm_port port)202 int fm_info_get_phy_address(enum fm_port port)
203 {
204 int i = fm_port_to_index(port);
205
206 if (i == -1)
207 return -1;
208
209 return fm_info[i].phy_addr;
210 }
211
212 /*
213 * Returns the type of the data interface between the given MAC and its PHY.
214 * This is typically determined by the RCW.
215 */
fm_info_get_enet_if(enum fm_port port)216 phy_interface_t fm_info_get_enet_if(enum fm_port port)
217 {
218 int i = fm_port_to_index(port);
219
220 if (i == -1)
221 return PHY_INTERFACE_MODE_NONE;
222
223 if (fm_info[i].enabled)
224 return fm_info[i].enet_if;
225
226 return PHY_INTERFACE_MODE_NONE;
227 }
228
229 static void
__def_board_ft_fman_fixup_port(void * blob,char * prop,phys_addr_t pa,enum fm_port port,int offset)230 __def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
231 enum fm_port port, int offset)
232 {
233 return ;
234 }
235
236 void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
237 enum fm_port port, int offset)
238 __attribute__((weak, alias("__def_board_ft_fman_fixup_port")));
239
ft_fixup_port(void * blob,struct fm_eth_info * info,char * prop)240 int ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
241 {
242 int off;
243 uint32_t ph;
244 phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset;
245 #ifndef CONFIG_SYS_FMAN_V3
246 u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS +
247 CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET;
248 #endif
249
250 off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
251 if (off == -FDT_ERR_NOTFOUND)
252 return -EINVAL;
253
254 if (info->enabled) {
255 fdt_fixup_phy_connection(blob, off, info->enet_if);
256 board_ft_fman_fixup_port(blob, prop, paddr, info->port, off);
257 return 0;
258 }
259
260 #ifdef CONFIG_SYS_FMAN_V3
261 #ifndef CONFIG_FSL_FM_10GEC_REGULAR_NOTATION
262 /*
263 * On T2/T4 SoCs, physically FM1_DTSEC9 and FM1_10GEC1 use the same
264 * dual-role MAC, when FM1_10GEC1 is enabled and FM1_DTSEC9
265 * is disabled, ensure that the dual-role MAC is not disabled,
266 * ditto for other dual-role MACs.
267 */
268 if (((info->port == FM1_DTSEC9) && (PORT_IS_ENABLED(FM1_10GEC1))) ||
269 ((info->port == FM1_DTSEC10) && (PORT_IS_ENABLED(FM1_10GEC2))) ||
270 ((info->port == FM1_DTSEC1) && (PORT_IS_ENABLED(FM1_10GEC3))) ||
271 ((info->port == FM1_DTSEC2) && (PORT_IS_ENABLED(FM1_10GEC4))) ||
272 ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC9))) ||
273 ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC10))) ||
274 ((info->port == FM1_10GEC3) && (PORT_IS_ENABLED(FM1_DTSEC1))) ||
275 ((info->port == FM1_10GEC4) && (PORT_IS_ENABLED(FM1_DTSEC2)))
276 #if (CONFIG_SYS_NUM_FMAN == 2)
277 ||
278 ((info->port == FM2_DTSEC9) && (PORT_IS_ENABLED(FM2_10GEC1))) ||
279 ((info->port == FM2_DTSEC10) && (PORT_IS_ENABLED(FM2_10GEC2))) ||
280 ((info->port == FM2_10GEC1) && (PORT_IS_ENABLED(FM2_DTSEC9))) ||
281 ((info->port == FM2_10GEC2) && (PORT_IS_ENABLED(FM2_DTSEC10)))
282 #endif
283 #else
284 /* FM1_DTSECx and FM1_10GECx use the same dual-role MAC */
285 if (((info->port == FM1_DTSEC1) && (PORT_IS_ENABLED(FM1_10GEC1))) ||
286 ((info->port == FM1_DTSEC2) && (PORT_IS_ENABLED(FM1_10GEC2))) ||
287 ((info->port == FM1_DTSEC3) && (PORT_IS_ENABLED(FM1_10GEC3))) ||
288 ((info->port == FM1_DTSEC4) && (PORT_IS_ENABLED(FM1_10GEC4))) ||
289 ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC1))) ||
290 ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC2))) ||
291 ((info->port == FM1_10GEC3) && (PORT_IS_ENABLED(FM1_DTSEC3))) ||
292 ((info->port == FM1_10GEC4) && (PORT_IS_ENABLED(FM1_DTSEC4)))
293 #endif
294 )
295 return 0;
296 #endif
297 /* board code might have caused offset to change */
298 off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
299
300 #ifndef CONFIG_SYS_FMAN_V3
301 /* Don't disable FM1-DTSEC1 MAC as its used for MDIO */
302 if (paddr != dtsec1_addr)
303 #endif
304 fdt_status_disabled(blob, off); /* disable the MAC node */
305
306 /* disable the fsl,dpa-ethernet node that points to the MAC */
307 ph = fdt_get_phandle(blob, off);
308 do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph),
309 "status", "disabled", strlen("disabled") + 1, 1);
310
311 return 0;
312 }
313
fdt_fixup_fman_ethernet(void * blob)314 void fdt_fixup_fman_ethernet(void *blob)
315 {
316 int i;
317
318 #ifdef CONFIG_SYS_FMAN_V3
319 for (i = 0; i < ARRAY_SIZE(fm_info); i++)
320 ft_fixup_port(blob, &fm_info[i], "fsl,fman-memac");
321 #else
322 for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
323 /* Try the new compatible first.
324 * If the node is missing, try the old.
325 */
326 if (fm_info[i].type == FM_ETH_1G_E) {
327 if (ft_fixup_port(blob, &fm_info[i], "fsl,fman-dtsec"))
328 ft_fixup_port(blob, &fm_info[i],
329 "fsl,fman-1g-mac");
330 } else {
331 if (ft_fixup_port(blob, &fm_info[i], "fsl,fman-tgec"))
332 ft_fixup_port(blob, &fm_info[i],
333 "fsl,fman-10g-mac");
334 }
335 }
336 #endif
337 }
338
339 /*QSGMII Riser Card can work in SGMII mode, but the PHY address is different.
340 *This function scans which Riser Card being used(QSGMII or SGMII Riser Card),
341 *then set the correct PHY address
342 */
set_sgmii_phy(struct mii_dev * bus,enum fm_port base_port,unsigned int port_num,int phy_base_addr)343 void set_sgmii_phy(struct mii_dev *bus, enum fm_port base_port,
344 unsigned int port_num, int phy_base_addr)
345 {
346 unsigned int regnum = 0;
347 int qsgmii;
348 int i;
349 int phy_real_addr;
350
351 qsgmii = is_qsgmii_riser_card(bus, phy_base_addr, port_num, regnum);
352
353 if (!qsgmii)
354 return;
355
356 for (i = base_port; i < base_port + port_num; i++) {
357 if (fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_SGMII) {
358 phy_real_addr = phy_base_addr + i - base_port;
359 fm_info_set_phy_address(i, phy_real_addr);
360 }
361 }
362 }
363
364 /*to check whether qsgmii riser card is used*/
is_qsgmii_riser_card(struct mii_dev * bus,int phy_base_addr,unsigned int port_num,unsigned regnum)365 int is_qsgmii_riser_card(struct mii_dev *bus, int phy_base_addr,
366 unsigned int port_num, unsigned regnum)
367 {
368 int i;
369 int val;
370
371 if (!bus)
372 return 0;
373
374 for (i = phy_base_addr; i < phy_base_addr + port_num; i++) {
375 val = bus->read(bus, i, MDIO_DEVAD_NONE, regnum);
376 if (val != MIIM_TIMEOUT)
377 return 1;
378 }
379
380 return 0;
381 }
382