• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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