xref: /openbmc/u-boot/arch/powerpc/cpu/mpc85xx/liodn.c (revision 5187d8dd)
1 /*
2  * Copyright 2008-2011 Freescale Semiconductor, Inc.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 #include <common.h>
24 #include <libfdt.h>
25 #include <fdt_support.h>
26 
27 #include <asm/immap_85xx.h>
28 #include <asm/io.h>
29 #include <asm/processor.h>
30 #include <asm/fsl_portals.h>
31 #include <asm/fsl_liodn.h>
32 
33 int get_dpaa_liodn(enum fsl_dpaa_dev dpaa_dev, u32 *liodns, int liodn_offset)
34 {
35 	liodns[0] = liodn_bases[dpaa_dev].id[0] + liodn_offset;
36 
37 	if (liodn_bases[dpaa_dev].num_ids == 2)
38 		liodns[1] = liodn_bases[dpaa_dev].id[1] + liodn_offset;
39 
40 	return liodn_bases[dpaa_dev].num_ids;
41 }
42 
43 static void set_srio_liodn(struct srio_liodn_id_table *tbl, int size)
44 {
45 	int i;
46 
47 	for (i = 0; i < size; i++) {
48 		unsigned long reg_off = tbl[i].reg_offset[0];
49 		out_be32((u32 *)reg_off, tbl[i].id[0]);
50 
51 		if (tbl[i].num_ids == 2) {
52 			reg_off = tbl[i].reg_offset[1];
53 			out_be32((u32 *)reg_off, tbl[i].id[1]);
54 		}
55 	}
56 }
57 
58 static void set_liodn(struct liodn_id_table *tbl, int size)
59 {
60 	int i;
61 
62 	for (i = 0; i < size; i++) {
63 		u32 liodn;
64 		if (tbl[i].num_ids == 2) {
65 			liodn = (tbl[i].id[0] << 16) | tbl[i].id[1];
66 		} else {
67 			liodn = tbl[i].id[0];
68 		}
69 
70 		out_be32((volatile u32 *)(tbl[i].reg_offset), liodn);
71 	}
72 }
73 
74 static void setup_sec_liodn_base(void)
75 {
76 	ccsr_sec_t *sec = (void *)CONFIG_SYS_FSL_SEC_ADDR;
77 	u32 base;
78 
79 	if (!IS_E_PROCESSOR(get_svr()))
80 		return;
81 
82 	/* QILCR[QSLOM] */
83 	out_be32(&sec->qilcr_ms, 0x3ff<<16);
84 
85 	base = (liodn_bases[FSL_HW_PORTAL_SEC].id[0] << 16) |
86 		liodn_bases[FSL_HW_PORTAL_SEC].id[1];
87 
88 	out_be32(&sec->qilcr_ls, base);
89 }
90 
91 #ifdef CONFIG_SYS_DPAA_FMAN
92 static void setup_fman_liodn_base(enum fsl_dpaa_dev dev,
93 				  struct liodn_id_table *tbl, int size)
94 {
95 	int i;
96 	ccsr_fman_t *fm;
97 	u32 base;
98 
99 	switch(dev) {
100 	case FSL_HW_PORTAL_FMAN1:
101 		fm = (void *)CONFIG_SYS_FSL_FM1_ADDR;
102 		break;
103 
104 #if (CONFIG_SYS_NUM_FMAN == 2)
105 	case FSL_HW_PORTAL_FMAN2:
106 		fm = (void *)CONFIG_SYS_FSL_FM2_ADDR;
107 		break;
108 #endif
109 	default:
110 		printf("Error: Invalid device type to %s\n", __FUNCTION__);
111 		return ;
112 	}
113 
114 	base = (liodn_bases[dev].id[0] << 16) | liodn_bases[dev].id[0];
115 
116 	/* setup all bases the same */
117 	for (i = 0; i < 32; i++) {
118 		out_be32(&fm->fm_dma.fmdmplr[i], base);
119 	}
120 
121 	/* update tbl to ... */
122 	for (i = 0; i < size; i++)
123 		tbl[i].id[0] += liodn_bases[dev].id[0];
124 }
125 #endif
126 
127 static void setup_pme_liodn_base(void)
128 {
129 #ifdef CONFIG_SYS_DPAA_PME
130 	ccsr_pme_t *pme = (void *)CONFIG_SYS_FSL_CORENET_PME_ADDR;
131 	u32 base = (liodn_bases[FSL_HW_PORTAL_PME].id[0] << 16) |
132 			liodn_bases[FSL_HW_PORTAL_PME].id[1];
133 
134 	out_be32(&pme->liodnbr, base);
135 #endif
136 }
137 
138 #ifdef CONFIG_SYS_FSL_RAID_ENGINE
139 static void setup_raide_liodn_base(void)
140 {
141 	struct ccsr_raide *raide = (void *)CONFIG_SYS_FSL_RAID_ENGINE_ADDR;
142 
143 	/* setup raid engine liodn base for data/desc ; both set to 47 */
144 	u32 base = (liodn_bases[FSL_HW_PORTAL_RAID_ENGINE].id[0] << 16) |
145 			liodn_bases[FSL_HW_PORTAL_RAID_ENGINE].id[0];
146 
147 	out_be32(&raide->liodnbr, base);
148 }
149 #endif
150 
151 #ifdef CONFIG_SYS_DPAA_RMAN
152 static void set_rman_liodn(struct liodn_id_table *tbl, int size)
153 {
154 	int i;
155 	struct ccsr_rman *rman = (void *)CONFIG_SYS_FSL_CORENET_RMAN_ADDR;
156 
157 	for (i = 0; i < size; i++) {
158 		/* write the RMan block number */
159 		out_be32(&rman->mmitar, i);
160 		/* write the liodn offset corresponding to the block */
161 		out_be32((u32 *)(tbl[i].reg_offset), tbl[i].id[0]);
162 	}
163 }
164 
165 static void setup_rman_liodn_base(struct liodn_id_table *tbl, int size)
166 {
167 	int i;
168 	struct ccsr_rman *rman = (void *)CONFIG_SYS_FSL_CORENET_RMAN_ADDR;
169 	u32 base = liodn_bases[FSL_HW_PORTAL_RMAN].id[0];
170 
171 	out_be32(&rman->mmliodnbr, base);
172 
173 	/* update liodn offset */
174 	for (i = 0; i < size; i++)
175 		tbl[i].id[0] += base;
176 }
177 #endif
178 
179 void set_liodns(void)
180 {
181 	/* setup general liodn offsets */
182 	set_liodn(liodn_tbl, liodn_tbl_sz);
183 
184 	/* setup SRIO port liodns */
185 	set_srio_liodn(srio_liodn_tbl, srio_liodn_tbl_sz);
186 
187 	/* setup SEC block liodn bases & offsets if we have one */
188 	if (IS_E_PROCESSOR(get_svr())) {
189 		set_liodn(sec_liodn_tbl, sec_liodn_tbl_sz);
190 		setup_sec_liodn_base();
191 	}
192 
193 	/* setup FMAN block(s) liodn bases & offsets if we have one */
194 #ifdef CONFIG_SYS_DPAA_FMAN
195 	set_liodn(fman1_liodn_tbl, fman1_liodn_tbl_sz);
196 	setup_fman_liodn_base(FSL_HW_PORTAL_FMAN1, fman1_liodn_tbl,
197 				fman1_liodn_tbl_sz);
198 
199 #if (CONFIG_SYS_NUM_FMAN == 2)
200 	set_liodn(fman2_liodn_tbl, fman2_liodn_tbl_sz);
201 	setup_fman_liodn_base(FSL_HW_PORTAL_FMAN2, fman2_liodn_tbl,
202 				fman2_liodn_tbl_sz);
203 #endif
204 #endif
205 	/* setup PME liodn base */
206 	setup_pme_liodn_base();
207 
208 #ifdef CONFIG_SYS_FSL_RAID_ENGINE
209 	/* raid engine ccr addr code for liodn */
210 	set_liodn(raide_liodn_tbl, raide_liodn_tbl_sz);
211 	setup_raide_liodn_base();
212 #endif
213 
214 #ifdef CONFIG_SYS_DPAA_RMAN
215 	/* setup RMan liodn offsets */
216 	set_rman_liodn(rman_liodn_tbl, rman_liodn_tbl_sz);
217 	/* setup RMan liodn base */
218 	setup_rman_liodn_base(rman_liodn_tbl, rman_liodn_tbl_sz);
219 #endif
220 }
221 
222 static void fdt_fixup_srio_liodn(void *blob, struct srio_liodn_id_table *tbl)
223 {
224 	int i, srio_off;
225 
226 	/* search for srio node, if doesn't exist just return - nothing todo */
227 	srio_off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio");
228 	if (srio_off < 0)
229 		return ;
230 
231 	for (i = 0; i < srio_liodn_tbl_sz; i++) {
232 		int off, portid = tbl[i].portid;
233 
234 		off = fdt_node_offset_by_prop_value(blob, srio_off,
235 			 "cell-index", &portid, 4);
236 		if (off >= 0) {
237 			off = fdt_setprop(blob, off, "fsl,liodn",
238 				&tbl[i].id[0],
239 				sizeof(u32) * tbl[i].num_ids);
240 			if (off > 0)
241 				printf("WARNING unable to set fsl,liodn for "
242 					"fsl,srio port %d: %s\n",
243 					portid, fdt_strerror(off));
244 		} else {
245 			debug("WARNING: couldn't set fsl,liodn for srio: %s.\n",
246 				fdt_strerror(off));
247 		}
248 	}
249 }
250 
251 static void fdt_fixup_liodn_tbl(void *blob, struct liodn_id_table *tbl, int sz)
252 {
253 	int i;
254 
255 	for (i = 0; i < sz; i++) {
256 		int off;
257 
258 		if (tbl[i].compat == NULL)
259 			continue;
260 
261 		off = fdt_node_offset_by_compat_reg(blob,
262 				tbl[i].compat, tbl[i].compat_offset);
263 		if (off >= 0) {
264 			off = fdt_setprop(blob, off, "fsl,liodn",
265 				&tbl[i].id[0],
266 				sizeof(u32) * tbl[i].num_ids);
267 			if (off > 0)
268 				printf("WARNING unable to set fsl,liodn for "
269 					"%s: %s\n",
270 					tbl[i].compat, fdt_strerror(off));
271 		} else {
272 			debug("WARNING: could not set fsl,liodn for %s: %s.\n",
273 					tbl[i].compat, fdt_strerror(off));
274 		}
275 	}
276 }
277 
278 void fdt_fixup_liodn(void *blob)
279 {
280 	fdt_fixup_srio_liodn(blob, srio_liodn_tbl);
281 
282 	fdt_fixup_liodn_tbl(blob, liodn_tbl, liodn_tbl_sz);
283 #ifdef CONFIG_SYS_DPAA_FMAN
284 	fdt_fixup_liodn_tbl(blob, fman1_liodn_tbl, fman1_liodn_tbl_sz);
285 #if (CONFIG_SYS_NUM_FMAN == 2)
286 	fdt_fixup_liodn_tbl(blob, fman2_liodn_tbl, fman2_liodn_tbl_sz);
287 #endif
288 #endif
289 	fdt_fixup_liodn_tbl(blob, sec_liodn_tbl, sec_liodn_tbl_sz);
290 
291 #ifdef CONFIG_SYS_FSL_RAID_ENGINE
292 	fdt_fixup_liodn_tbl(blob, raide_liodn_tbl, raide_liodn_tbl_sz);
293 #endif
294 
295 #ifdef CONFIG_SYS_DPAA_RMAN
296 	fdt_fixup_liodn_tbl(blob, rman_liodn_tbl, rman_liodn_tbl_sz);
297 #endif
298 }
299