xref: /openbmc/u-boot/arch/powerpc/cpu/mpc85xx/liodn.c (revision ae485b54)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2008-2011 Freescale Semiconductor, Inc.
4  */
5 
6 #include <common.h>
7 #include <linux/libfdt.h>
8 #include <fdt_support.h>
9 
10 #include <asm/immap_85xx.h>
11 #include <asm/io.h>
12 #include <asm/processor.h>
13 #include <asm/fsl_portals.h>
14 #include <asm/fsl_liodn.h>
15 
16 int get_dpaa_liodn(enum fsl_dpaa_dev dpaa_dev, u32 *liodns, int liodn_offset)
17 {
18 	liodns[0] = liodn_bases[dpaa_dev].id[0] + liodn_offset;
19 
20 	if (liodn_bases[dpaa_dev].num_ids == 2)
21 		liodns[1] = liodn_bases[dpaa_dev].id[1] + liodn_offset;
22 
23 	return liodn_bases[dpaa_dev].num_ids;
24 }
25 
26 #ifdef CONFIG_SYS_SRIO
27 static void set_srio_liodn(struct srio_liodn_id_table *tbl, int size)
28 {
29 	int i;
30 
31 	for (i = 0; i < size; i++) {
32 		unsigned long reg_off = tbl[i].reg_offset[0];
33 		out_be32((u32 *)reg_off, tbl[i].id[0]);
34 
35 		if (tbl[i].num_ids == 2) {
36 			reg_off = tbl[i].reg_offset[1];
37 			out_be32((u32 *)reg_off, tbl[i].id[1]);
38 		}
39 	}
40 }
41 #endif
42 
43 static void set_liodn(struct liodn_id_table *tbl, int size)
44 {
45 	int i;
46 
47 	for (i = 0; i < size; i++) {
48 		u32 liodn;
49 		if (tbl[i].num_ids == 2) {
50 			liodn = (tbl[i].id[0] << 16) | tbl[i].id[1];
51 		} else {
52 			liodn = tbl[i].id[0];
53 		}
54 
55 		out_be32((volatile u32 *)(tbl[i].reg_offset), liodn);
56 	}
57 }
58 
59 #ifdef CONFIG_SYS_DPAA_FMAN
60 static void set_fman_liodn(struct fman_liodn_id_table *tbl, int size)
61 {
62 	int i;
63 
64 	for (i = 0; i < size; i++) {
65 		u32 liodn;
66 		if (tbl[i].num_ids == 2)
67 			liodn = (tbl[i].id[0] << 16) | tbl[i].id[1];
68 		else
69 			liodn = tbl[i].id[0];
70 
71 		out_be32((volatile u32 *)(tbl[i].reg_offset), liodn);
72 	}
73 }
74 #endif
75 
76 static void setup_sec_liodn_base(void)
77 {
78 	ccsr_sec_t *sec = (void *)CONFIG_SYS_FSL_SEC_ADDR;
79 	u32 base;
80 
81 	if (!IS_E_PROCESSOR(get_svr()))
82 		return;
83 
84 	/* QILCR[QSLOM] */
85 	sec_out32(&sec->qilcr_ms, 0x3ff<<16);
86 
87 	base = (liodn_bases[FSL_HW_PORTAL_SEC].id[0] << 16) |
88 		liodn_bases[FSL_HW_PORTAL_SEC].id[1];
89 
90 	sec_out32(&sec->qilcr_ls, base);
91 }
92 
93 #ifdef CONFIG_SYS_DPAA_FMAN
94 static void setup_fman_liodn_base(enum fsl_dpaa_dev dev,
95 				  struct fman_liodn_id_table *tbl, int size)
96 {
97 	int i;
98 	ccsr_fman_t *fm;
99 	u32 base;
100 
101 	switch(dev) {
102 	case FSL_HW_PORTAL_FMAN1:
103 		fm = (void *)CONFIG_SYS_FSL_FM1_ADDR;
104 		break;
105 
106 #if (CONFIG_SYS_NUM_FMAN == 2)
107 	case FSL_HW_PORTAL_FMAN2:
108 		fm = (void *)CONFIG_SYS_FSL_FM2_ADDR;
109 		break;
110 #endif
111 	default:
112 		printf("Error: Invalid device type to %s\n", __FUNCTION__);
113 		return ;
114 	}
115 
116 	base = (liodn_bases[dev].id[0] << 16) | liodn_bases[dev].id[0];
117 
118 	/* setup all bases the same */
119 	for (i = 0; i < 32; i++) {
120 		out_be32(&fm->fm_dma.fmdmplr[i], base);
121 	}
122 
123 	/* update tbl to ... */
124 	for (i = 0; i < size; i++)
125 		tbl[i].id[0] += liodn_bases[dev].id[0];
126 }
127 #endif
128 
129 static void setup_pme_liodn_base(void)
130 {
131 #ifdef CONFIG_SYS_DPAA_PME
132 	ccsr_pme_t *pme = (void *)CONFIG_SYS_FSL_CORENET_PME_ADDR;
133 	u32 base = (liodn_bases[FSL_HW_PORTAL_PME].id[0] << 16) |
134 			liodn_bases[FSL_HW_PORTAL_PME].id[1];
135 
136 	out_be32(&pme->liodnbr, base);
137 #endif
138 }
139 
140 #ifdef CONFIG_SYS_FSL_RAID_ENGINE
141 static void setup_raide_liodn_base(void)
142 {
143 	struct ccsr_raide *raide = (void *)CONFIG_SYS_FSL_RAID_ENGINE_ADDR;
144 
145 	/* setup raid engine liodn base for data/desc ; both set to 47 */
146 	u32 base = (liodn_bases[FSL_HW_PORTAL_RAID_ENGINE].id[0] << 16) |
147 			liodn_bases[FSL_HW_PORTAL_RAID_ENGINE].id[0];
148 
149 	out_be32(&raide->liodnbr, base);
150 }
151 #endif
152 
153 #ifdef CONFIG_SYS_DPAA_RMAN
154 static void set_rman_liodn(struct liodn_id_table *tbl, int size)
155 {
156 	int i;
157 	struct ccsr_rman *rman = (void *)CONFIG_SYS_FSL_CORENET_RMAN_ADDR;
158 
159 	for (i = 0; i < size; i++) {
160 		/* write the RMan block number */
161 		out_be32(&rman->mmitar, i);
162 		/* write the liodn offset corresponding to the block */
163 		out_be32((u32 *)(tbl[i].reg_offset), tbl[i].id[0]);
164 	}
165 }
166 
167 static void setup_rman_liodn_base(struct liodn_id_table *tbl, int size)
168 {
169 	int i;
170 	struct ccsr_rman *rman = (void *)CONFIG_SYS_FSL_CORENET_RMAN_ADDR;
171 	u32 base = liodn_bases[FSL_HW_PORTAL_RMAN].id[0];
172 
173 	out_be32(&rman->mmliodnbr, base);
174 
175 	/* update liodn offset */
176 	for (i = 0; i < size; i++)
177 		tbl[i].id[0] += base;
178 }
179 #endif
180 
181 void set_liodns(void)
182 {
183 	/* setup general liodn offsets */
184 	set_liodn(liodn_tbl, liodn_tbl_sz);
185 
186 #ifdef CONFIG_SYS_SRIO
187 	/* setup SRIO port liodns */
188 	set_srio_liodn(srio_liodn_tbl, srio_liodn_tbl_sz);
189 #endif
190 
191 	/* setup SEC block liodn bases & offsets if we have one */
192 	if (IS_E_PROCESSOR(get_svr())) {
193 		set_liodn(sec_liodn_tbl, sec_liodn_tbl_sz);
194 		setup_sec_liodn_base();
195 	}
196 
197 	/* setup FMAN block(s) liodn bases & offsets if we have one */
198 #ifdef CONFIG_SYS_DPAA_FMAN
199 	set_fman_liodn(fman1_liodn_tbl, fman1_liodn_tbl_sz);
200 	setup_fman_liodn_base(FSL_HW_PORTAL_FMAN1, fman1_liodn_tbl,
201 				fman1_liodn_tbl_sz);
202 
203 #if (CONFIG_SYS_NUM_FMAN == 2)
204 	set_fman_liodn(fman2_liodn_tbl, fman2_liodn_tbl_sz);
205 	setup_fman_liodn_base(FSL_HW_PORTAL_FMAN2, fman2_liodn_tbl,
206 				fman2_liodn_tbl_sz);
207 #endif
208 #endif
209 	/* setup PME liodn base */
210 	setup_pme_liodn_base();
211 
212 #ifdef CONFIG_SYS_FSL_RAID_ENGINE
213 	/* raid engine ccr addr code for liodn */
214 	set_liodn(raide_liodn_tbl, raide_liodn_tbl_sz);
215 	setup_raide_liodn_base();
216 #endif
217 
218 #ifdef CONFIG_SYS_DPAA_RMAN
219 	/* setup RMan liodn offsets */
220 	set_rman_liodn(rman_liodn_tbl, rman_liodn_tbl_sz);
221 	/* setup RMan liodn base */
222 	setup_rman_liodn_base(rman_liodn_tbl, rman_liodn_tbl_sz);
223 #endif
224 }
225 
226 #ifdef CONFIG_SYS_SRIO
227 static void fdt_fixup_srio_liodn(void *blob, struct srio_liodn_id_table *tbl)
228 {
229 	int i, srio_off;
230 
231 	/* search for srio node, if doesn't exist just return - nothing todo */
232 	srio_off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio");
233 	if (srio_off < 0)
234 		return ;
235 
236 	for (i = 0; i < srio_liodn_tbl_sz; i++) {
237 		int off, portid = tbl[i].portid;
238 
239 		off = fdt_node_offset_by_prop_value(blob, srio_off,
240 			 "cell-index", &portid, 4);
241 		if (off >= 0) {
242 			off = fdt_setprop(blob, off, "fsl,liodn",
243 				&tbl[i].id[0],
244 				sizeof(u32) * tbl[i].num_ids);
245 			if (off > 0)
246 				printf("WARNING unable to set fsl,liodn for "
247 					"fsl,srio port %d: %s\n",
248 					portid, fdt_strerror(off));
249 		} else {
250 			debug("WARNING: couldn't set fsl,liodn for srio: %s.\n",
251 				fdt_strerror(off));
252 		}
253 	}
254 }
255 #endif
256 
257 #define CONFIG_SYS_MAX_PCI_EPS		8
258 
259 static void fdt_fixup_pci_liodn_offsets(void *fdt, const char *compat,
260 					int ep_liodn_start)
261 {
262 	int off, pci_idx = 0, pci_cnt = 0, i, rc;
263 	const uint32_t *base_liodn;
264 	uint32_t liodn_offs[CONFIG_SYS_MAX_PCI_EPS + 1] = { 0 };
265 
266 	/*
267 	 * Count the number of pci nodes.
268 	 * It's needed later when the interleaved liodn offsets are generated.
269 	 */
270 	off = fdt_node_offset_by_compatible(fdt, -1, compat);
271 	while (off != -FDT_ERR_NOTFOUND) {
272 		pci_cnt++;
273 		off = fdt_node_offset_by_compatible(fdt, off, compat);
274 	}
275 
276 	for (off = fdt_node_offset_by_compatible(fdt, -1, compat);
277 	     off != -FDT_ERR_NOTFOUND;
278 	     off = fdt_node_offset_by_compatible(fdt, off, compat)) {
279 		base_liodn = fdt_getprop(fdt, off, "fsl,liodn", &rc);
280 		if (!base_liodn) {
281 			char path[64];
282 
283 			if (fdt_get_path(fdt, off, path, sizeof(path)) < 0)
284 				strcpy(path, "(unknown)");
285 			printf("WARNING Could not get liodn of node %s: %s\n",
286 			       path, fdt_strerror(rc));
287 			continue;
288 		}
289 		for (i = 0; i < CONFIG_SYS_MAX_PCI_EPS; i++)
290 			liodn_offs[i + 1] = ep_liodn_start +
291 					i * pci_cnt + pci_idx - *base_liodn;
292 		rc = fdt_setprop(fdt, off, "fsl,liodn-offset-list",
293 				 liodn_offs, sizeof(liodn_offs));
294 		if (rc) {
295 			char path[64];
296 
297 			if (fdt_get_path(fdt, off, path, sizeof(path)) < 0)
298 				strcpy(path, "(unknown)");
299 			printf("WARNING Unable to set fsl,liodn-offset-list for "
300 			       "node %s: %s\n", path, fdt_strerror(rc));
301 			continue;
302 		}
303 		pci_idx++;
304 	}
305 }
306 
307 static void fdt_fixup_liodn_tbl(void *blob, struct liodn_id_table *tbl, int sz)
308 {
309 	int i;
310 
311 	for (i = 0; i < sz; i++) {
312 		int off;
313 
314 		if (tbl[i].compat == NULL)
315 			continue;
316 
317 		off = fdt_node_offset_by_compat_reg(blob,
318 				tbl[i].compat, tbl[i].compat_offset);
319 		if (off >= 0) {
320 			off = fdt_setprop(blob, off, "fsl,liodn",
321 				&tbl[i].id[0],
322 				sizeof(u32) * tbl[i].num_ids);
323 			if (off > 0)
324 				printf("WARNING unable to set fsl,liodn for "
325 					"%s: %s\n",
326 					tbl[i].compat, fdt_strerror(off));
327 		} else {
328 			debug("WARNING: could not set fsl,liodn for %s: %s.\n",
329 					tbl[i].compat, fdt_strerror(off));
330 		}
331 	}
332 }
333 
334 #ifdef CONFIG_SYS_DPAA_FMAN
335 static void fdt_fixup_liodn_tbl_fman(void *blob,
336 				     struct fman_liodn_id_table *tbl,
337 				     int sz)
338 {
339 	int i;
340 
341 	for (i = 0; i < sz; i++) {
342 		int off;
343 
344 		if (tbl[i].compat == NULL)
345 			continue;
346 
347 		/* Try the new compatible first.
348 		 * If the node is missing, try the old.
349 		 */
350 		off = fdt_node_offset_by_compat_reg(blob,
351 				tbl[i].compat[0], tbl[i].compat_offset);
352 		if (off < 0)
353 			off = fdt_node_offset_by_compat_reg(blob,
354 					tbl[i].compat[1], tbl[i].compat_offset);
355 
356 		if (off >= 0) {
357 			off = fdt_setprop(blob, off, "fsl,liodn",
358 				&tbl[i].id[0],
359 				sizeof(u32) * tbl[i].num_ids);
360 			if (off > 0)
361 				printf("WARNING unable to set fsl,liodn for FMan Port: %s\n",
362 				       fdt_strerror(off));
363 		} else {
364 			debug("WARNING: could not set fsl,liodn for FMan Portport: %s.\n",
365 			      fdt_strerror(off));
366 		}
367 	}
368 }
369 #endif
370 
371 void fdt_fixup_liodn(void *blob)
372 {
373 #ifdef CONFIG_SYS_SRIO
374 	fdt_fixup_srio_liodn(blob, srio_liodn_tbl);
375 #endif
376 
377 	fdt_fixup_liodn_tbl(blob, liodn_tbl, liodn_tbl_sz);
378 #ifdef CONFIG_SYS_DPAA_FMAN
379 	fdt_fixup_liodn_tbl_fman(blob, fman1_liodn_tbl, fman1_liodn_tbl_sz);
380 #if (CONFIG_SYS_NUM_FMAN == 2)
381 	fdt_fixup_liodn_tbl_fman(blob, fman2_liodn_tbl, fman2_liodn_tbl_sz);
382 #endif
383 #endif
384 	fdt_fixup_liodn_tbl(blob, sec_liodn_tbl, sec_liodn_tbl_sz);
385 
386 #ifdef CONFIG_SYS_FSL_RAID_ENGINE
387 	fdt_fixup_liodn_tbl(blob, raide_liodn_tbl, raide_liodn_tbl_sz);
388 #endif
389 
390 #ifdef CONFIG_SYS_DPAA_RMAN
391 	fdt_fixup_liodn_tbl(blob, rman_liodn_tbl, rman_liodn_tbl_sz);
392 #endif
393 
394 	ccsr_pcix_t *pcix = (ccsr_pcix_t *)CONFIG_SYS_PCIE1_ADDR;
395 	int pci_ver = pcix->ipver1 & 0xffff, liodn_base = 0;
396 
397 	if (pci_ver >= 0x0204) {
398 		if (pci_ver >= 0x0300)
399 			liodn_base = 1024;
400 		else
401 			liodn_base = 256;
402 	}
403 
404 	if (liodn_base) {
405 		char compat[32];
406 
407 		sprintf(compat, "fsl,qoriq-pcie-v%d.%d",
408 			(pci_ver & 0xff00) >> 8, pci_ver & 0xff);
409 		fdt_fixup_pci_liodn_offsets(blob, compat, liodn_base);
410 		fdt_fixup_pci_liodn_offsets(blob, "fsl,qoriq-pcie", liodn_base);
411 	}
412 }
413