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/processor.h>
28 #include <asm/io.h>
29 
30 #include <asm/fsl_portals.h>
31 #include <asm/fsl_liodn.h>
32 
33 static ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
34 static ccsr_bman_t *bman = (void *)CONFIG_SYS_FSL_BMAN_ADDR;
35 
36 void setup_portals(void)
37 {
38 #ifdef CONFIG_FSL_CORENET
39 	int i;
40 
41 	for (i = 0; i < CONFIG_SYS_QMAN_NUM_PORTALS; i++) {
42 		u8 sdest = qp_info[i].sdest;
43 		u16 fliodn = qp_info[i].fliodn;
44 		u16 dliodn = qp_info[i].dliodn;
45 		u16 liodn_off = qp_info[i].liodn_offset;
46 
47 		out_be32(&qman->qcsp[i].qcsp_lio_cfg, (liodn_off << 16) |
48 					dliodn);
49 		/* set frame liodn */
50 		out_be32(&qman->qcsp[i].qcsp_io_cfg, (sdest << 16) | fliodn);
51 	}
52 #endif
53 
54 	/* Set the Qman initiator BAR to match the LAW (for DQRR stashing) */
55 #ifdef CONFIG_PHYS_64BIT
56 	out_be32(&qman->qcsp_bare, (u32)(CONFIG_SYS_QMAN_MEM_PHYS >> 32));
57 #endif
58 	out_be32(&qman->qcsp_bar, (u32)CONFIG_SYS_QMAN_MEM_PHYS);
59 }
60 
61 /* Update portal containter to match LAW setup of portal in phy map */
62 void fdt_portal(void *blob, const char *compat, const char *container,
63 			u64 addr, u32 size)
64 {
65 	int off;
66 
67 	off = fdt_node_offset_by_compatible(blob, -1, compat);
68 	if (off < 0)
69 		return ;
70 
71 	off = fdt_parent_offset(blob, off);
72 	/* if non-zero assume we have a container */
73 	if (off > 0) {
74 		char buf[60];
75 		const char *p, *name;
76 		u32 *range;
77 		int len;
78 
79 		/* fixup ranges */
80 		range = fdt_getprop_w(blob, off, "ranges", &len);
81 		if (range == NULL) {
82 			printf("ERROR: container for %s has no ranges", compat);
83 			return ;
84 		}
85 
86 		range[0] = 0;
87 		if (len == 16) {
88 			range[1] = addr >> 32;
89 			range[2] = addr & 0xffffffff;
90 			range[3] = size;
91 		} else {
92 			range[1] = addr & 0xffffffff;
93 			range[2] = size;
94 		}
95 		fdt_setprop_inplace(blob, off, "ranges", range, len);
96 
97 		/* fixup the name */
98 		name = fdt_get_name(blob, off, &len);
99 		p = memchr(name, '@', len);
100 
101 		if (p)
102 			len = p - name;
103 
104 		/* if we are given a container name check it
105 		 * against what we found, if it doesnt match exit out */
106 		if (container && (memcmp(container, name, len))) {
107 			printf("WARNING: container names didn't match %s %s\n",
108 				container, name);
109 			return ;
110 		}
111 
112 		memcpy(&buf, name, len);
113 		len += sprintf(&buf[len], "@%llx", addr);
114 		fdt_set_name(blob, off, buf);
115 		return ;
116 	}
117 
118 	printf("ERROR: %s isn't in a container.  Not supported\n", compat);
119 }
120 
121 static int fdt_qportal(void *blob, int off, int id, char *name,
122 		       enum fsl_dpaa_dev dev, int create)
123 {
124 	int childoff, dev_off, ret = 0;
125 	uint32_t dev_handle;
126 #ifdef CONFIG_FSL_CORENET
127 	int num;
128 	u32 liodns[2];
129 #endif
130 
131 	childoff = fdt_subnode_offset(blob, off, name);
132 	if (create) {
133 		if (childoff <= 0)
134 			childoff = fdt_add_subnode(blob, off, name);
135 
136 		if (childoff > 0) {
137 			char handle[64], *p;
138 
139 			strncpy(handle, name, sizeof(handle));
140 			p = strchr(handle, '@');
141 			if (!strncmp(name, "fman", 4)) {
142 				*p = *(p + 1);
143 				p++;
144 			}
145 			*p = '\0';
146 
147 			dev_off = fdt_path_offset(blob, handle);
148 			if (dev_off < 0)
149 				return dev_off;
150 
151 			dev_handle = fdt_get_phandle(blob, dev_off);
152 			if (dev_handle <= 0) {
153 				dev_handle = fdt_alloc_phandle(blob);
154 				ret = fdt_set_phandle(blob, dev_off,
155 							 dev_handle);
156 				if (ret < 0)
157 					return ret;
158 			}
159 
160 			ret = fdt_setprop(blob, childoff, "dev-handle",
161 					  &dev_handle, sizeof(dev_handle));
162 			if (ret < 0)
163 				return ret;
164 
165 #ifdef CONFIG_FSL_CORENET
166 			num = get_dpaa_liodn(dev, &liodns[0], id);
167 			ret = fdt_setprop(blob, childoff, "fsl,liodn",
168 					  &liodns[0], sizeof(u32) * num);
169 #endif
170 		} else {
171 			return childoff;
172 		}
173 	} else {
174 		if (childoff > 0)
175 			ret = fdt_del_node(blob, childoff);
176 	}
177 
178 	return ret;
179 }
180 
181 void fdt_fixup_qportals(void *blob)
182 {
183 	int off, err;
184 	unsigned int maj, min;
185 	unsigned int ip_cfg;
186 	u32 rev_1 = in_be32(&qman->ip_rev_1);
187 	u32 rev_2 = in_be32(&qman->ip_rev_2);
188 	char compat[64];
189 	int compat_len;
190 
191 	maj = (rev_1 >> 8) & 0xff;
192 	min = rev_1 & 0xff;
193 	ip_cfg = rev_2 & 0xff;
194 
195 	compat_len = sprintf(compat, "fsl,qman-portal-%u.%u.%u",
196 					maj, min, ip_cfg) + 1;
197 	compat_len += sprintf(compat + compat_len, "fsl,qman-portal") + 1;
198 
199 	off = fdt_node_offset_by_compatible(blob, -1, "fsl,qman-portal");
200 	while (off != -FDT_ERR_NOTFOUND) {
201 #ifdef CONFIG_FSL_CORENET
202 		u32 liodns[2];
203 #endif
204 		const int *ci = fdt_getprop(blob, off, "cell-index", NULL);
205 		int i = *ci;
206 #ifdef CONFIG_SYS_DPAA_FMAN
207 		int j;
208 #endif
209 
210 		err = fdt_setprop(blob, off, "compatible", compat, compat_len);
211 		if (err < 0)
212 			goto err;
213 
214 #ifdef CONFIG_FSL_CORENET
215 		liodns[0] = qp_info[i].dliodn;
216 		liodns[1] = qp_info[i].fliodn;
217 
218 		err = fdt_setprop(blob, off, "fsl,liodn",
219 				  &liodns, sizeof(u32) * 2);
220 		if (err < 0)
221 			goto err;
222 #endif
223 
224 		i++;
225 
226 		err = fdt_qportal(blob, off, i, "crypto@0", FSL_HW_PORTAL_SEC,
227 				  IS_E_PROCESSOR(get_svr()));
228 		if (err < 0)
229 			goto err;
230 
231 #ifdef CONFIG_FSL_CORENET
232 #ifdef CONFIG_SYS_DPAA_PME
233 		err = fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 1);
234 		if (err < 0)
235 			goto err;
236 #else
237 		fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 0);
238 #endif
239 #endif
240 
241 #ifdef CONFIG_SYS_DPAA_FMAN
242 		for (j = 0; j < CONFIG_SYS_NUM_FMAN; j++) {
243 			char name[] = "fman@0";
244 
245 			name[sizeof(name) - 2] = '0' + j;
246 			err = fdt_qportal(blob, off, i, name,
247 					  FSL_HW_PORTAL_FMAN1 + j, 1);
248 			if (err < 0)
249 				goto err;
250 		}
251 #endif
252 #ifdef CONFIG_SYS_DPAA_RMAN
253 		err = fdt_qportal(blob, off, i, "rman@0",
254 				  FSL_HW_PORTAL_RMAN, 1);
255 		if (err < 0)
256 			goto err;
257 #endif
258 
259 err:
260 		if (err < 0) {
261 			printf("ERROR: unable to create props for %s: %s\n",
262 				fdt_get_name(blob, off, NULL), fdt_strerror(err));
263 			return;
264 		}
265 
266 		off = fdt_node_offset_by_compatible(blob, off, "fsl,qman-portal");
267 	}
268 }
269 
270 void fdt_fixup_bportals(void *blob)
271 {
272 	int off, err;
273 	unsigned int maj, min;
274 	unsigned int ip_cfg;
275 	u32 rev_1 = in_be32(&bman->ip_rev_1);
276 	u32 rev_2 = in_be32(&bman->ip_rev_2);
277 	char compat[64];
278 	int compat_len;
279 
280 	maj = (rev_1 >> 8) & 0xff;
281 	min = rev_1 & 0xff;
282 
283 	ip_cfg = rev_2 & 0xff;
284 
285 	compat_len = sprintf(compat, "fsl,bman-portal-%u.%u.%u",
286 				 maj, min, ip_cfg) + 1;
287 	compat_len += sprintf(compat + compat_len, "fsl,bman-portal") + 1;
288 
289 	off = fdt_node_offset_by_compatible(blob, -1, "fsl,bman-portal");
290 	while (off != -FDT_ERR_NOTFOUND) {
291 		err = fdt_setprop(blob, off, "compatible", compat, compat_len);
292 		if (err < 0) {
293 			printf("ERROR: unable to create props for %s: %s\n",
294 				fdt_get_name(blob, off, NULL),
295 						 fdt_strerror(err));
296 			return;
297 		}
298 
299 		off = fdt_node_offset_by_compatible(blob, off, "fsl,bman-portal");
300 	}
301 
302 }
303