arch/powerpc/cpu/mpc85xx/portals.c

   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 }