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