summaryrefslogtreecommitdiff
path: root/drivers/net/fm/init.c
blob: 35edd7ad94017ff7cb0f69064d76d0e8ca560da7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
/*
 * Copyright 2011 Freescale Semiconductor, Inc.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#include <common.h>
#include <asm/io.h>
#include <asm/fsl_serdes.h>

#include "fm.h"

struct fm_eth_info fm_info[] = {
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 1)
	FM_DTSEC_INFO_INITIALIZER(1, 1),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 2)
	FM_DTSEC_INFO_INITIALIZER(1, 2),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 3)
	FM_DTSEC_INFO_INITIALIZER(1, 3),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 4)
	FM_DTSEC_INFO_INITIALIZER(1, 4),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 5)
	FM_DTSEC_INFO_INITIALIZER(1, 5),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 6)
	FM_DTSEC_INFO_INITIALIZER(1, 6),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 7)
	FM_DTSEC_INFO_INITIALIZER(1, 9),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 8)
	FM_DTSEC_INFO_INITIALIZER(1, 10),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 1)
	FM_DTSEC_INFO_INITIALIZER(2, 1),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 2)
	FM_DTSEC_INFO_INITIALIZER(2, 2),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 3)
	FM_DTSEC_INFO_INITIALIZER(2, 3),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 4)
	FM_DTSEC_INFO_INITIALIZER(2, 4),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 5)
	FM_DTSEC_INFO_INITIALIZER(2, 5),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 6)
	FM_DTSEC_INFO_INITIALIZER(2, 6),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 7)
	FM_DTSEC_INFO_INITIALIZER(2, 9),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 8)
	FM_DTSEC_INFO_INITIALIZER(2, 10),
#endif
#if (CONFIG_SYS_NUM_FM1_10GEC >= 1)
	FM_TGEC_INFO_INITIALIZER(1, 1),
#endif
#if (CONFIG_SYS_NUM_FM1_10GEC >= 2)
	FM_TGEC_INFO_INITIALIZER(1, 2),
#endif
#if (CONFIG_SYS_NUM_FM2_10GEC >= 1)
	FM_TGEC_INFO_INITIALIZER(2, 1),
#endif
#if (CONFIG_SYS_NUM_FM2_10GEC >= 2)
	FM_TGEC_INFO_INITIALIZER(2, 2),
#endif
};

int fm_standard_init(bd_t *bis)
{
	int i;
	struct ccsr_fman *reg;

	reg = (void *)CONFIG_SYS_FSL_FM1_ADDR;
	if (fm_init_common(0, reg))
		return 0;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
		if ((fm_info[i].enabled) && (fm_info[i].index == 1))
			fm_eth_initialize(reg, &fm_info[i]);
	}

#if (CONFIG_SYS_NUM_FMAN == 2)
	reg = (void *)CONFIG_SYS_FSL_FM2_ADDR;
	if (fm_init_common(1, reg))
		return 0;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
		if ((fm_info[i].enabled) && (fm_info[i].index == 2))
			fm_eth_initialize(reg, &fm_info[i]);
	}
#endif

	return 1;
}

/* simple linear search to map from port to array index */
static int fm_port_to_index(enum fm_port port)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
		if (fm_info[i].port == port)
			return i;
	}

	return -1;
}

/*
 * Determine if an interface is actually active based on HW config
 * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if
 * the interface is not active based on HW cfg of the SoC
 */
void fman_enet_init(void)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
		phy_interface_t enet_if;

		enet_if = fman_port_enet_if(fm_info[i].port);
		if (enet_if != PHY_INTERFACE_MODE_NONE) {
			fm_info[i].enabled = 1;
			fm_info[i].enet_if = enet_if;
		} else {
			fm_info[i].enabled = 0;
		}
	}

	return ;
}

void fm_disable_port(enum fm_port port)
{
	int i = fm_port_to_index(port);

	fm_info[i].enabled = 0;
	fman_disable_port(port);
}

void fm_enable_port(enum fm_port port)
{
	int i = fm_port_to_index(port);

	fm_info[i].enabled = 1;
	fman_enable_port(port);
}

void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus)
{
	int i = fm_port_to_index(port);

	if (i == -1)
		return;

	fm_info[i].bus = bus;
}

void fm_info_set_phy_address(enum fm_port port, int address)
{
	int i = fm_port_to_index(port);

	if (i == -1)
		return;

	fm_info[i].phy_addr = address;
}

/*
 * Returns the PHY address for a given Fman port
 *
 * The port must be set via a prior call to fm_info_set_phy_address().
 * A negative error code is returned if the port is invalid.
 */
int fm_info_get_phy_address(enum fm_port port)
{
	int i = fm_port_to_index(port);

	if (i == -1)
		return -1;

	return fm_info[i].phy_addr;
}

/*
 * Returns the type of the data interface between the given MAC and its PHY.
 * This is typically determined by the RCW.
 */
phy_interface_t fm_info_get_enet_if(enum fm_port port)
{
	int i = fm_port_to_index(port);

	if (i == -1)
		return PHY_INTERFACE_MODE_NONE;

	if (fm_info[i].enabled)
		return fm_info[i].enet_if;

	return PHY_INTERFACE_MODE_NONE;
}

static void
__def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
				enum fm_port port, int offset)
{
	return ;
}

void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
				enum fm_port port, int offset)
	 __attribute__((weak, alias("__def_board_ft_fman_fixup_port")));

static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
{
	int off;
	uint32_t ph;
	phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset;
	u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS +
				CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET;

	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);

	if (info->enabled) {
		fdt_fixup_phy_connection(blob, off, info->enet_if);
		board_ft_fman_fixup_port(blob, prop, paddr, info->port, off);
		return ;
	}

#ifdef CONFIG_SYS_FMAN_V3
	/*
	 * Physically FM1_DTSEC9 and FM1_10GEC1 use the same dual-role MAC, when
	 * FM1_10GEC1 is enabled and  FM1_DTSEC9 is disabled, ensure that the
	 * dual-role MAC is not disabled, ditto for other dual-role MACs.
	 */
	if (((info->port == FM1_DTSEC9) && (PORT_IS_ENABLED(FM1_10GEC1)))	||
	    ((info->port == FM1_DTSEC10) && (PORT_IS_ENABLED(FM1_10GEC2)))	||
	    ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC9)))	||
	    ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC10)))
#if (CONFIG_SYS_NUM_FMAN == 2)
										||
	    ((info->port == FM2_DTSEC9) && (PORT_IS_ENABLED(FM2_10GEC1)))	||
	    ((info->port == FM2_DTSEC10) && (PORT_IS_ENABLED(FM2_10GEC2)))	||
	    ((info->port == FM2_10GEC1) && (PORT_IS_ENABLED(FM2_DTSEC9)))	||
	    ((info->port == FM2_10GEC2) && (PORT_IS_ENABLED(FM2_DTSEC10)))
#endif
	)
		return;
#endif
	/* board code might have caused offset to change */
	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);

	/* Don't disable FM1-DTSEC1 MAC as its used for MDIO */
	if (paddr != dtsec1_addr)
		fdt_status_disabled(blob, off); /* disable the MAC node */

	/* disable the fsl,dpa-ethernet node that points to the MAC */
	ph = fdt_get_phandle(blob, off);
	do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph),
		"status", "disabled", strlen("disabled") + 1, 1);
}

void fdt_fixup_fman_ethernet(void *blob)
{
	int i;

#ifdef CONFIG_SYS_FMAN_V3
	for (i = 0; i < ARRAY_SIZE(fm_info); i++)
		ft_fixup_port(blob, &fm_info[i], "fsl,fman-memac");
#else
	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
		if (fm_info[i].type == FM_ETH_1G_E)
			ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac");
		else
			ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac");
	}
#endif
}

/*QSGMII Riser Card can work in SGMII mode, but the PHY address is different.
 *This function scans which Riser Card being used(QSGMII or SGMII Riser Card),
 *then set the correct PHY address
 */
void set_sgmii_phy(struct mii_dev *bus, enum fm_port base_port,
		unsigned int port_num, int phy_base_addr)
{
	unsigned int regnum = 0;
	int qsgmii;
	int i;
	int phy_real_addr;

	qsgmii = is_qsgmii_riser_card(bus, phy_base_addr, port_num, regnum);

	if (!qsgmii)
		return;

	for (i = base_port; i < base_port + port_num; i++) {
		if (fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_SGMII) {
			phy_real_addr = phy_base_addr + i - base_port;
			fm_info_set_phy_address(i, phy_real_addr);
		}
	}
}

/*to check whether qsgmii riser card is used*/
int is_qsgmii_riser_card(struct mii_dev *bus, int phy_base_addr,
		unsigned int port_num, unsigned regnum)
{
	int i;
	int val;

	if (!bus)
		return 0;

	for (i = phy_base_addr; i < phy_base_addr + port_num; i++) {
		val = bus->read(bus, i, MDIO_DEVAD_NONE, regnum);
		if (val != MIIM_TIMEOUT)
			return 1;
	}

	return 0;
}