1 /*
2  * Copyright 2008-2010 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_CORENET_QMAN_ADDR;
34 
35 void setup_portals(void)
36 {
37 	int i;
38 
39 	/* Set the Qman initiator BAR to match the LAW (for DQRR stashing) */
40 #ifdef CONFIG_PHYS_64BIT
41 	out_be32(&qman->qcsp_bare, (u32)(CONFIG_SYS_QMAN_MEM_PHYS >> 32));
42 #endif
43 	out_be32(&qman->qcsp_bar, (u32)CONFIG_SYS_QMAN_MEM_PHYS);
44 
45 	for (i = 0; i < CONFIG_SYS_QMAN_NUM_PORTALS; i++) {
46 		u8 sdest = qp_info[i].sdest;
47 		u16 fliodn = qp_info[i].fliodn;
48 		u16 dliodn = qp_info[i].dliodn;
49 		u16 liodn_off = qp_info[i].liodn_offset;
50 
51 		out_be32(&qman->qcsp[i].qcsp_lio_cfg, (liodn_off << 16) |
52 					dliodn);
53 		/* set frame liodn */
54 		out_be32(&qman->qcsp[i].qcsp_io_cfg, (sdest << 16) | fliodn);
55 	}
56 }
57 
58 /* Update portal containter to match LAW setup of portal in phy map */
59 void fdt_portal(void *blob, const char *compat, const char *container,
60 			u64 addr, u32 size)
61 {
62 	int off;
63 
64 	off = fdt_node_offset_by_compatible(blob, -1, compat);
65 	if (off < 0)
66 		return ;
67 
68 	off = fdt_parent_offset(blob, off);
69 	/* if non-zero assume we have a container */
70 	if (off > 0) {
71 		char buf[60];
72 		const char *p, *name;
73 		u32 *range;
74 		int len;
75 
76 		/* fixup ranges */
77 		range = fdt_getprop_w(blob, off, "ranges", &len);
78 		if (range == NULL) {
79 			printf("ERROR: container for %s has no ranges", compat);
80 			return ;
81 		}
82 
83 		range[0] = 0;
84 		if (len == 16) {
85 			range[1] = addr >> 32;
86 			range[2] = addr & 0xffffffff;
87 			range[3] = size;
88 		} else {
89 			range[1] = addr & 0xffffffff;
90 			range[2] = size;
91 		}
92 		fdt_setprop_inplace(blob, off, "ranges", range, len);
93 
94 		/* fixup the name */
95 		name = fdt_get_name(blob, off, &len);
96 		p = memchr(name, '@', len);
97 
98 		if (p)
99 			len = p - name;
100 
101 		/* if we are given a container name check it
102 		 * against what we found, if it doesnt match exit out */
103 		if (container && (memcmp(container, name, len))) {
104 			printf("WARNING: container names didn't match %s %s\n",
105 				container, name);
106 			return ;
107 		}
108 
109 		memcpy(&buf, name, len);
110 		len += sprintf(&buf[len], "@%llx", addr);
111 		fdt_set_name(blob, off, buf);
112 		return ;
113 	}
114 
115 	printf("ERROR: %s isn't in a container.  Not supported\n", compat);
116 }
117 
118 static int fdt_qportal(void *blob, int off, int id, char *name,
119 		       enum fsl_dpaa_dev dev, int create)
120 {
121 	int childoff, dev_off, num, ret = 0;
122 	uint32_t dev_handle;
123 	u32 liodns[2];
124 
125 	childoff = fdt_subnode_offset(blob, off, name);
126 	if (create) {
127 		if (childoff <= 0)
128 			childoff = fdt_add_subnode(blob, off, name);
129 
130 		if (childoff > 0) {
131 			char handle[64], *p;
132 
133 			strncpy(handle, name, sizeof(handle));
134 			p = strchr(handle, '@');
135 			if (!strncmp(name, "fman", 4)) {
136 				*p = *(p + 1);
137 				p++;
138 			}
139 			*p = '\0';
140 
141 			dev_off = fdt_path_offset(blob, handle);
142 			if (dev_off < 0)
143 				return dev_off;
144 
145 			dev_handle = fdt_get_phandle(blob, dev_off);
146 			if (dev_handle <= 0) {
147 				dev_handle = fdt_alloc_phandle(blob);
148 				fdt_setprop_cell(blob, dev_off,
149 					"linux,phandle", dev_handle);
150 			}
151 
152 			ret = fdt_setprop(blob, childoff, "dev-handle",
153 					  &dev_handle, sizeof(dev_handle));
154 			if (ret < 0)
155 				return ret;
156 
157 			num = get_dpaa_liodn(dev, &liodns[0], id);
158 			ret = fdt_setprop(blob, childoff, "fsl,liodn",
159 					  &liodns[0], sizeof(u32) * num);
160 		} else {
161 			return childoff;
162 		}
163 	} else {
164 		if (childoff > 0)
165 			ret = fdt_del_node(blob, childoff);
166 	}
167 
168 	return ret;
169 }
170 
171 void fdt_fixup_qportals(void *blob)
172 {
173 	int off, err;
174 	unsigned int maj, min;
175 	u32 rev_1 = in_be32(&qman->ip_rev_1);
176 	char compat[64];
177 	int compat_len;
178 
179 	maj = (rev_1 >> 8) & 0xff;
180 	min = rev_1 & 0xff;
181 
182 	compat_len = sprintf(compat, "fsl,qman-portal-%u.%u", maj, min) + 1;
183 	compat_len += sprintf(compat + compat_len, "fsl,qman-portal") + 1;
184 
185 	off = fdt_node_offset_by_compatible(blob, -1, "fsl,qman-portal");
186 	while (off != -FDT_ERR_NOTFOUND) {
187 		u32 liodns[2];
188 		const int *ci = fdt_getprop(blob, off, "cell-index", NULL);
189 		int j, i = *ci;
190 
191 		err = fdt_setprop(blob, off, "compatible", compat, compat_len);
192 		if (err < 0)
193 			goto err;
194 
195 		liodns[0] = qp_info[i].dliodn;
196 		liodns[1] = qp_info[i].fliodn;
197 
198 		err = fdt_setprop(blob, off, "fsl,liodn",
199 				  &liodns, sizeof(u32) * 2);
200 		if (err < 0)
201 			goto err;
202 
203 		i++;
204 
205 		err = fdt_qportal(blob, off, i, "crypto@0", FSL_HW_PORTAL_SEC,
206 				  IS_E_PROCESSOR(get_svr()));
207 		if (err < 0)
208 			goto err;
209 
210 #ifdef CONFIG_SYS_DPAA_PME
211 		err = fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 1);
212 		if (err < 0)
213 			goto err;
214 #else
215 		fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 0);
216 #endif
217 #ifdef CONFIG_SYS_DPAA_FMAN
218 		for (j = 0; j < CONFIG_SYS_NUM_FMAN; j++) {
219 			char name[] = "fman@0";
220 
221 			name[sizeof(name) - 2] = '0' + j;
222 			err = fdt_qportal(blob, off, i, name,
223 					  FSL_HW_PORTAL_FMAN1 + j, 1);
224 			if (err < 0)
225 				goto err;
226 		}
227 #endif
228 
229 err:
230 		if (err < 0) {
231 			printf("ERROR: unable to create props for %s: %s\n",
232 				fdt_get_name(blob, off, NULL), fdt_strerror(err));
233 			return;
234 		}
235 
236 		off = fdt_node_offset_by_compatible(blob, off, "fsl,qman-portal");
237 	}
238 }
239