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powerpc/85xx: Refactor Qman/Portal support to be shared between SoCs
[u-boot] / arch / powerpc / cpu / mpc85xx / portals.c
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 }