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 <net.h>
8 #include <asm/io.h>
9 #include <fdt_support.h>
10 #include <fsl_mdio.h>
11 #ifdef CONFIG_FSL_LAYERSCAPE
12 #include <asm/arch/fsl_serdes.h>
13 #include <linux/libfdt.h>
14 #else
15 #include <asm/fsl_serdes.h>
16 #endif
17
18 #include "fm.h"
19
20 #ifndef CONFIG_DM_ETH
21 struct fm_eth_info fm_info[] = {
22 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 1)
23 FM_DTSEC_INFO_INITIALIZER(1, 1),
24 #endif
25 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 2)
26 FM_DTSEC_INFO_INITIALIZER(1, 2),
27 #endif
28 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 3)
29 FM_DTSEC_INFO_INITIALIZER(1, 3),
30 #endif
31 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 4)
32 FM_DTSEC_INFO_INITIALIZER(1, 4),
33 #endif
34 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 5)
35 FM_DTSEC_INFO_INITIALIZER(1, 5),
36 #endif
37 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 6)
38 FM_DTSEC_INFO_INITIALIZER(1, 6),
39 #endif
40 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 7)
41 FM_DTSEC_INFO_INITIALIZER(1, 9),
42 #endif
43 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 8)
44 FM_DTSEC_INFO_INITIALIZER(1, 10),
45 #endif
46 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 1)
47 FM_DTSEC_INFO_INITIALIZER(2, 1),
48 #endif
49 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 2)
50 FM_DTSEC_INFO_INITIALIZER(2, 2),
51 #endif
52 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 3)
53 FM_DTSEC_INFO_INITIALIZER(2, 3),
54 #endif
55 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 4)
56 FM_DTSEC_INFO_INITIALIZER(2, 4),
57 #endif
58 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 5)
59 FM_DTSEC_INFO_INITIALIZER(2, 5),
60 #endif
61 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 6)
62 FM_DTSEC_INFO_INITIALIZER(2, 6),
63 #endif
64 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 7)
65 FM_DTSEC_INFO_INITIALIZER(2, 9),
66 #endif
67 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 8)
68 FM_DTSEC_INFO_INITIALIZER(2, 10),
69 #endif
70 #if (CONFIG_SYS_NUM_FM1_10GEC >= 1)
71 FM_TGEC_INFO_INITIALIZER(1, 1),
72 #endif
73 #if (CONFIG_SYS_NUM_FM1_10GEC >= 2)
74 FM_TGEC_INFO_INITIALIZER(1, 2),
75 #endif
76 #if (CONFIG_SYS_NUM_FM1_10GEC >= 3)
77 FM_TGEC_INFO_INITIALIZER2(1, 3),
78 #endif
79 #if (CONFIG_SYS_NUM_FM1_10GEC >= 4)
80 FM_TGEC_INFO_INITIALIZER2(1, 4),
81 #endif
82 #if (CONFIG_SYS_NUM_FM2_10GEC >= 1)
83 FM_TGEC_INFO_INITIALIZER(2, 1),
84 #endif
85 #if (CONFIG_SYS_NUM_FM2_10GEC >= 2)
86 FM_TGEC_INFO_INITIALIZER(2, 2),
87 #endif
88 };
89
fm_standard_init(struct bd_info * bis)90 int fm_standard_init(struct bd_info *bis)
91 {
92 int i;
93 struct ccsr_fman *reg;
94
95 reg = (void *)CONFIG_SYS_FSL_FM1_ADDR;
96 if (fm_init_common(0, reg))
97 return 0;
98
99 for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
100 if ((fm_info[i].enabled) && (fm_info[i].index == 1))
101 fm_eth_initialize(reg, &fm_info[i]);
102 }
103
104 #if (CONFIG_SYS_NUM_FMAN == 2)
105 reg = (void *)CONFIG_SYS_FSL_FM2_ADDR;
106 if (fm_init_common(1, reg))
107 return 0;
108
109 for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
110 if ((fm_info[i].enabled) && (fm_info[i].index == 2))
111 fm_eth_initialize(reg, &fm_info[i]);
112 }
113 #endif
114
115 return 1;
116 }
117
118 /* simple linear search to map from port to array index */
fm_port_to_index(enum fm_port port)119 static int fm_port_to_index(enum fm_port port)
120 {
121 int i;
122
123 for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
124 if (fm_info[i].port == port)
125 return i;
126 }
127
128 return -1;
129 }
130
131 /*
132 * Determine if an interface is actually active based on HW config
133 * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if
134 * the interface is not active based on HW cfg of the SoC
135 */
fman_enet_init(void)136 void fman_enet_init(void)
137 {
138 int i;
139
140 for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
141 phy_interface_t enet_if;
142
143 enet_if = fman_port_enet_if(fm_info[i].port);
144 if (enet_if != PHY_INTERFACE_MODE_NONE) {
145 fm_info[i].enabled = 1;
146 fm_info[i].enet_if = enet_if;
147 } else {
148 fm_info[i].enabled = 0;
149 }
150 }
151
152 return ;
153 }
154
fm_disable_port(enum fm_port port)155 void fm_disable_port(enum fm_port port)
156 {
157 int i = fm_port_to_index(port);
158
159 if (i == -1)
160 return;
161
162 fm_info[i].enabled = 0;
163 #ifndef CONFIG_SYS_FMAN_V3
164 fman_disable_port(port);
165 #endif
166 }
167
fm_enable_port(enum fm_port port)168 void fm_enable_port(enum fm_port port)
169 {
170 int i = fm_port_to_index(port);
171
172 if (i == -1)
173 return;
174
175 fm_info[i].enabled = 1;
176 fman_enable_port(port);
177 }
178
fm_info_set_mdio(enum fm_port port,struct mii_dev * bus)179 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus)
180 {
181 int i = fm_port_to_index(port);
182
183 if (i == -1)
184 return;
185
186 fm_info[i].bus = bus;
187 }
188
fm_info_set_phy_address(enum fm_port port,int address)189 void fm_info_set_phy_address(enum fm_port port, int address)
190 {
191 int i = fm_port_to_index(port);
192
193 if (i == -1)
194 return;
195
196 fm_info[i].phy_addr = address;
197 }
198
199 /*
200 * Returns the PHY address for a given Fman port
201 *
202 * The port must be set via a prior call to fm_info_set_phy_address().
203 * A negative error code is returned if the port is invalid.
204 */
fm_info_get_phy_address(enum fm_port port)205 int fm_info_get_phy_address(enum fm_port port)
206 {
207 int i = fm_port_to_index(port);
208
209 if (i == -1)
210 return -1;
211
212 return fm_info[i].phy_addr;
213 }
214
215 /*
216 * Returns the type of the data interface between the given MAC and its PHY.
217 * This is typically determined by the RCW.
218 */
fm_info_get_enet_if(enum fm_port port)219 phy_interface_t fm_info_get_enet_if(enum fm_port port)
220 {
221 int i = fm_port_to_index(port);
222
223 if (i == -1)
224 return PHY_INTERFACE_MODE_NONE;
225
226 if (fm_info[i].enabled)
227 return fm_info[i].enet_if;
228
229 return PHY_INTERFACE_MODE_NONE;
230 }
231
232 static void
__def_board_ft_fman_fixup_port(void * blob,char * prop,phys_addr_t pa,enum fm_port port,int offset)233 __def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
234 enum fm_port port, int offset)
235 {
236 return ;
237 }
238
239 void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
240 enum fm_port port, int offset)
241 __attribute__((weak, alias("__def_board_ft_fman_fixup_port")));
242
ft_fixup_port(void * blob,struct fm_eth_info * info,char * prop)243 int ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
244 {
245 int off;
246 uint32_t ph;
247 phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset;
248 #ifndef CONFIG_SYS_FMAN_V3
249 u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS +
250 CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET;
251 #endif
252
253 off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
254 if (off == -FDT_ERR_NOTFOUND)
255 return -EINVAL;
256
257 if (info->enabled) {
258 fdt_fixup_phy_connection(blob, off, info->enet_if);
259 board_ft_fman_fixup_port(blob, prop, paddr, info->port, off);
260 return 0;
261 }
262
263 #ifdef CONFIG_SYS_FMAN_V3
264 #ifndef CONFIG_FSL_FM_10GEC_REGULAR_NOTATION
265 /*
266 * On T2/T4 SoCs, physically FM1_DTSEC9 and FM1_10GEC1 use the same
267 * dual-role MAC, when FM1_10GEC1 is enabled and FM1_DTSEC9
268 * is disabled, ensure that the dual-role MAC is not disabled,
269 * ditto for other dual-role MACs.
270 */
271 if (((info->port == FM1_DTSEC9) && (PORT_IS_ENABLED(FM1_10GEC1))) ||
272 ((info->port == FM1_DTSEC10) && (PORT_IS_ENABLED(FM1_10GEC2))) ||
273 ((info->port == FM1_DTSEC1) && (PORT_IS_ENABLED(FM1_10GEC3))) ||
274 ((info->port == FM1_DTSEC2) && (PORT_IS_ENABLED(FM1_10GEC4))) ||
275 ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC9))) ||
276 ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC10))) ||
277 ((info->port == FM1_10GEC3) && (PORT_IS_ENABLED(FM1_DTSEC1))) ||
278 ((info->port == FM1_10GEC4) && (PORT_IS_ENABLED(FM1_DTSEC2)))
279 #if (CONFIG_SYS_NUM_FMAN == 2)
280 ||
281 ((info->port == FM2_DTSEC9) && (PORT_IS_ENABLED(FM2_10GEC1))) ||
282 ((info->port == FM2_DTSEC10) && (PORT_IS_ENABLED(FM2_10GEC2))) ||
283 ((info->port == FM2_10GEC1) && (PORT_IS_ENABLED(FM2_DTSEC9))) ||
284 ((info->port == FM2_10GEC2) && (PORT_IS_ENABLED(FM2_DTSEC10)))
285 #endif
286 #else
287 /* FM1_DTSECx and FM1_10GECx use the same dual-role MAC */
288 if (((info->port == FM1_DTSEC1) && (PORT_IS_ENABLED(FM1_10GEC1))) ||
289 ((info->port == FM1_DTSEC2) && (PORT_IS_ENABLED(FM1_10GEC2))) ||
290 ((info->port == FM1_DTSEC3) && (PORT_IS_ENABLED(FM1_10GEC3))) ||
291 ((info->port == FM1_DTSEC4) && (PORT_IS_ENABLED(FM1_10GEC4))) ||
292 ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC1))) ||
293 ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC2))) ||
294 ((info->port == FM1_10GEC3) && (PORT_IS_ENABLED(FM1_DTSEC3))) ||
295 ((info->port == FM1_10GEC4) && (PORT_IS_ENABLED(FM1_DTSEC4)))
296 #endif
297 )
298 return 0;
299 #endif
300 /* board code might have caused offset to change */
301 off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
302
303 #ifndef CONFIG_SYS_FMAN_V3
304 /* Don't disable FM1-DTSEC1 MAC as its used for MDIO */
305 if (paddr != dtsec1_addr)
306 #endif
307 fdt_status_disabled(blob, off); /* disable the MAC node */
308
309 /* disable the fsl,dpa-ethernet node that points to the MAC */
310 ph = fdt_get_phandle(blob, off);
311 do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph),
312 "status", "disabled", strlen("disabled") + 1, 1);
313
314 return 0;
315 }
316
fdt_fixup_fman_ethernet(void * blob)317 void fdt_fixup_fman_ethernet(void *blob)
318 {
319 int i;
320
321 #ifdef CONFIG_SYS_FMAN_V3
322 for (i = 0; i < ARRAY_SIZE(fm_info); i++)
323 ft_fixup_port(blob, &fm_info[i], "fsl,fman-memac");
324 #else
325 for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
326 /* Try the new compatible first.
327 * If the node is missing, try the old.
328 */
329 if (fm_info[i].type == FM_ETH_1G_E) {
330 if (ft_fixup_port(blob, &fm_info[i], "fsl,fman-dtsec"))
331 ft_fixup_port(blob, &fm_info[i],
332 "fsl,fman-1g-mac");
333 } else {
334 if (ft_fixup_port(blob, &fm_info[i], "fsl,fman-xgec") &&
335 ft_fixup_port(blob, &fm_info[i], "fsl,fman-tgec"))
336 ft_fixup_port(blob, &fm_info[i],
337 "fsl,fman-10g-mac");
338 }
339 }
340 #endif
341 }
342
343 /*QSGMII Riser Card can work in SGMII mode, but the PHY address is different.
344 *This function scans which Riser Card being used(QSGMII or SGMII Riser Card),
345 *then set the correct PHY address
346 */
set_sgmii_phy(struct mii_dev * bus,enum fm_port base_port,unsigned int port_num,int phy_base_addr)347 void set_sgmii_phy(struct mii_dev *bus, enum fm_port base_port,
348 unsigned int port_num, int phy_base_addr)
349 {
350 unsigned int regnum = 0;
351 int qsgmii;
352 int i;
353 int phy_real_addr;
354
355 qsgmii = is_qsgmii_riser_card(bus, phy_base_addr, port_num, regnum);
356
357 if (!qsgmii)
358 return;
359
360 for (i = base_port; i < base_port + port_num; i++) {
361 if (fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_SGMII) {
362 phy_real_addr = phy_base_addr + i - base_port;
363 fm_info_set_phy_address(i, phy_real_addr);
364 }
365 }
366 }
367
368 /*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)369 int is_qsgmii_riser_card(struct mii_dev *bus, int phy_base_addr,
370 unsigned int port_num, unsigned regnum)
371 {
372 int i;
373 int val;
374
375 if (!bus)
376 return 0;
377
378 for (i = phy_base_addr; i < phy_base_addr + port_num; i++) {
379 val = bus->read(bus, i, MDIO_DEVAD_NONE, regnum);
380 if (val != MIIM_TIMEOUT)
381 return 1;
382 }
383
384 return 0;
385 }
386 #endif /* CONFIG_DM_ETH */
387