arch/powerpc/cpu/mpc85xx/portals.c

   1 /*
   2  * Copyright 2008-2011 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <libfdt.h>
   9 #include <fdt_support.h>
  10
  11 #include <asm/processor.h>
  12 #include <asm/io.h>
  13
  14 #include <asm/fsl_portals.h>
  15 #include <asm/fsl_liodn.h>
  16
  17 #define MAX_BPORTALS (CONFIG_SYS_BMAN_CINH_SIZE / CONFIG_SYS_BMAN_SP_CINH_SIZE)
  18 #define MAX_QPORTALS (CONFIG_SYS_QMAN_CINH_SIZE / CONFIG_SYS_QMAN_SP_CINH_SIZE)
  19 static void inhibit_portals(void __iomem *addr, int max_portals,
  20                         int arch_max_portals, int portal_cinh_size)
  21 {
  22         uint32_t val;
  23         int i;
  24
  25         /* arch_max_portals is the maximum based on memory size. This includes
  26          * the reserved memory in the SoC.  max_portals the number of physical
  27          * portals in the SoC */
  28         if (max_portals > arch_max_portals) {
  29                 printf("ERROR: portal config error\n");
  30                 max_portals = arch_max_portals;
  31         }
  32
  33         for (i = 0; i < max_portals; i++) {
  34                 out_be32(addr, -1);
  35                 val = in_be32(addr);
  36                 if (!val) {
  37                         printf("ERROR: Stopped after %d portals\n", i);
  38                         goto done;
  39                 }
  40                 addr += portal_cinh_size;
  41         }
  42 #ifdef DEBUG
  43         printf("Cleared %d portals\n", i);
  44 #endif
  45 done:
  46
  47         return;
  48 }
  49
  50 void setup_portals(void)
  51 {
  52         ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
  53         void __iomem *bpaddr = (void *)CONFIG_SYS_BMAN_CINH_BASE +
  54                                 CONFIG_SYS_BMAN_SWP_ISDR_REG;
  55         void __iomem *qpaddr = (void *)CONFIG_SYS_QMAN_CINH_BASE +
  56                                 CONFIG_SYS_QMAN_SWP_ISDR_REG;
  57 #ifdef CONFIG_FSL_CORENET
  58         int i;
  59
  60         for (i = 0; i < CONFIG_SYS_QMAN_NUM_PORTALS; i++) {
  61                 u8 sdest = qp_info[i].sdest;
  62                 u16 fliodn = qp_info[i].fliodn;
  63                 u16 dliodn = qp_info[i].dliodn;
  64                 u16 liodn_off = qp_info[i].liodn_offset;
  65
  66                 out_be32(&qman->qcsp[i].qcsp_lio_cfg, (liodn_off << 16) |
  67                                         dliodn);
  68                 /* set frame liodn */
  69                 out_be32(&qman->qcsp[i].qcsp_io_cfg, (sdest << 16) | fliodn);
  70         }
  71 #endif
  72
  73         /* Set the Qman initiator BAR to match the LAW (for DQRR stashing) */
  74 #ifdef CONFIG_PHYS_64BIT
  75         out_be32(&qman->qcsp_bare, (u32)(CONFIG_SYS_QMAN_MEM_PHYS >> 32));
  76 #endif
  77         out_be32(&qman->qcsp_bar, (u32)CONFIG_SYS_QMAN_MEM_PHYS);
  78
  79         /* Change default state of BMan ISDR portals to all 1s */
  80         inhibit_portals(bpaddr, CONFIG_SYS_BMAN_NUM_PORTALS, MAX_BPORTALS,
  81                         CONFIG_SYS_BMAN_SP_CINH_SIZE);
  82         inhibit_portals(qpaddr, CONFIG_SYS_QMAN_NUM_PORTALS, MAX_QPORTALS,
  83                         CONFIG_SYS_QMAN_SP_CINH_SIZE);
  84 }
  85
  86 /* Update portal containter to match LAW setup of portal in phy map */
  87 void fdt_portal(void *blob, const char *compat, const char *container,
  88                         u64 addr, u32 size)
  89 {
  90         int off;
  91
  92         off = fdt_node_offset_by_compatible(blob, -1, compat);
  93         if (off < 0)
  94                 return ;
  95
  96         off = fdt_parent_offset(blob, off);
  97         /* if non-zero assume we have a container */
  98         if (off > 0) {
  99                 char buf[60];
 100                 const char *p, *name;
 101                 u32 *range;
 102                 int len;
 103
 104                 /* fixup ranges */
 105                 range = fdt_getprop_w(blob, off, "ranges", &len);
 106                 if (range == NULL) {
 107                         printf("ERROR: container for %s has no ranges", compat);
 108                         return ;
 109                 }
 110
 111                 range[0] = 0;
 112                 if (len == 16) {
 113                         range[1] = addr >> 32;
 114                         range[2] = addr & 0xffffffff;
 115                         range[3] = size;
 116                 } else {
 117                         range[1] = addr & 0xffffffff;
 118                         range[2] = size;
 119                 }
 120                 fdt_setprop_inplace(blob, off, "ranges", range, len);
 121
 122                 /* fixup the name */
 123                 name = fdt_get_name(blob, off, &len);
 124                 p = memchr(name, '@', len);
 125
 126                 if (p)
 127                         len = p - name;
 128
 129                 /* if we are given a container name check it
 130                  * against what we found, if it doesnt match exit out */
 131                 if (container && (memcmp(container, name, len))) {
 132                         printf("WARNING: container names didn't match %s %s\n",
 133                                 container, name);
 134                         return ;
 135                 }
 136
 137                 memcpy(&buf, name, len);
 138                 len += sprintf(&buf[len], "@%llx", addr);
 139                 fdt_set_name(blob, off, buf);
 140                 return ;
 141         }
 142
 143         printf("ERROR: %s isn't in a container.  Not supported\n", compat);
 144 }
 145
 146 static int fdt_qportal(void *blob, int off, int id, char *name,
 147                        enum fsl_dpaa_dev dev, int create)
 148 {
 149         int childoff, dev_off, ret = 0;
 150         uint32_t dev_handle;
 151 #ifdef CONFIG_FSL_CORENET
 152         int num;
 153         u32 liodns[2];
 154 #endif
 155
 156         childoff = fdt_subnode_offset(blob, off, name);
 157         if (create) {
 158                 char handle[64], *p;
 159
 160                 strncpy(handle, name, sizeof(handle));
 161                 p = strchr(handle, '@');
 162                 if (!strncmp(name, "fman", 4)) {
 163                         *p = *(p + 1);
 164                         p++;
 165                 }
 166                 *p = '\0';
 167
 168                 dev_off = fdt_path_offset(blob, handle);
 169                 /* skip this node if alias is not found */
 170                 if (dev_off == -FDT_ERR_BADPATH)
 171                         return 0;
 172                 if (dev_off < 0)
 173                         return dev_off;
 174
 175                 if (childoff <= 0)
 176                         childoff = fdt_add_subnode(blob, off, name);
 177
 178                 /* need to update the dev_off after adding a subnode */
 179                 dev_off = fdt_path_offset(blob, handle);
 180                 if (dev_off < 0)
 181                         return dev_off;
 182
 183                 if (childoff > 0) {
 184                         dev_handle = fdt_get_phandle(blob, dev_off);
 185                         if (dev_handle <= 0) {
 186                                 dev_handle = fdt_alloc_phandle(blob);
 187                                 ret = fdt_set_phandle(blob, dev_off,
 188                                                          dev_handle);
 189                                 if (ret < 0)
 190                                         return ret;
 191                         }
 192
 193                         ret = fdt_setprop(blob, childoff, "dev-handle",
 194                                           &dev_handle, sizeof(dev_handle));
 195                         if (ret < 0)
 196                                 return ret;
 197
 198 #ifdef CONFIG_FSL_CORENET
 199                         num = get_dpaa_liodn(dev, &liodns[0], id);
 200                         ret = fdt_setprop(blob, childoff, "fsl,liodn",
 201                                           &liodns[0], sizeof(u32) * num);
 202                         if (!strncmp(name, "pme", 3)) {
 203                                 u32 pme_rev1, pme_rev2;
 204                                 ccsr_pme_t *pme_regs =
 205                                         (void *)CONFIG_SYS_FSL_CORENET_PME_ADDR;
 206
 207                                 pme_rev1 = in_be32(&pme_regs->pm_ip_rev_1);
 208                                 pme_rev2 = in_be32(&pme_regs->pm_ip_rev_2);
 209                                 ret = fdt_setprop(blob, childoff,
 210                                         "fsl,pme-rev1", &pme_rev1, sizeof(u32));
 211                                 if (ret < 0)
 212                                         return ret;
 213                                 ret = fdt_setprop(blob, childoff,
 214                                         "fsl,pme-rev2", &pme_rev2, sizeof(u32));
 215                         }
 216 #endif
 217                 } else {
 218                         return childoff;
 219                 }
 220         } else {
 221                 if (childoff > 0)
 222                         ret = fdt_del_node(blob, childoff);
 223         }
 224
 225         return ret;
 226 }
 227
 228 void fdt_fixup_qportals(void *blob)
 229 {
 230         int off, err;
 231         unsigned int maj, min;
 232         unsigned int ip_cfg;
 233         ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
 234         u32 rev_1 = in_be32(&qman->ip_rev_1);
 235         u32 rev_2 = in_be32(&qman->ip_rev_2);
 236         char compat[64];
 237         int compat_len;
 238
 239         maj = (rev_1 >> 8) & 0xff;
 240         min = rev_1 & 0xff;
 241         ip_cfg = rev_2 & 0xff;
 242
 243         compat_len = sprintf(compat, "fsl,qman-portal-%u.%u.%u",
 244                                         maj, min, ip_cfg) + 1;
 245         compat_len += sprintf(compat + compat_len, "fsl,qman-portal") + 1;
 246
 247         off = fdt_node_offset_by_compatible(blob, -1, "fsl,qman-portal");
 248         while (off != -FDT_ERR_NOTFOUND) {
 249 #ifdef CONFIG_FSL_CORENET
 250                 u32 liodns[2];
 251 #endif
 252                 const int *ci = fdt_getprop(blob, off, "cell-index", NULL);
 253                 int i = *ci;
 254 #ifdef CONFIG_SYS_DPAA_FMAN
 255                 int j;
 256 #endif
 257
 258                 err = fdt_setprop(blob, off, "compatible", compat, compat_len);
 259                 if (err < 0)
 260                         goto err;
 261
 262 #ifdef CONFIG_FSL_CORENET
 263                 liodns[0] = qp_info[i].dliodn;
 264                 liodns[1] = qp_info[i].fliodn;
 265
 266                 err = fdt_setprop(blob, off, "fsl,liodn",
 267                                   &liodns, sizeof(u32) * 2);
 268                 if (err < 0)
 269                         goto err;
 270 #endif
 271
 272                 i++;
 273
 274                 err = fdt_qportal(blob, off, i, "crypto@0", FSL_HW_PORTAL_SEC,
 275                                   IS_E_PROCESSOR(get_svr()));
 276                 if (err < 0)
 277                         goto err;
 278
 279 #ifdef CONFIG_FSL_CORENET
 280 #ifdef CONFIG_SYS_DPAA_PME
 281                 err = fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 1);
 282                 if (err < 0)
 283                         goto err;
 284 #else
 285                 fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 0);
 286 #endif
 287 #endif
 288
 289 #ifdef CONFIG_SYS_DPAA_FMAN
 290                 for (j = 0; j < CONFIG_SYS_NUM_FMAN; j++) {
 291                         char name[] = "fman@0";
 292
 293                         name[sizeof(name) - 2] = '0' + j;
 294                         err = fdt_qportal(blob, off, i, name,
 295                                           FSL_HW_PORTAL_FMAN1 + j, 1);
 296                         if (err < 0)
 297                                 goto err;
 298                 }
 299 #endif
 300 #ifdef CONFIG_SYS_DPAA_RMAN
 301                 err = fdt_qportal(blob, off, i, "rman@0",
 302                                   FSL_HW_PORTAL_RMAN, 1);
 303                 if (err < 0)
 304                         goto err;
 305 #endif
 306
 307 err:
 308                 if (err < 0) {
 309                         printf("ERROR: unable to create props for %s: %s\n",
 310                                 fdt_get_name(blob, off, NULL), fdt_strerror(err));
 311                         return;
 312                 }
 313
 314                 off = fdt_node_offset_by_compatible(blob, off, "fsl,qman-portal");
 315         }
 316 }
 317
 318 void fdt_fixup_bportals(void *blob)
 319 {
 320         int off, err;
 321         unsigned int maj, min;
 322         unsigned int ip_cfg;
 323         ccsr_bman_t *bman = (void *)CONFIG_SYS_FSL_BMAN_ADDR;
 324         u32 rev_1 = in_be32(&bman->ip_rev_1);
 325         u32 rev_2 = in_be32(&bman->ip_rev_2);
 326         char compat[64];
 327         int compat_len;
 328
 329         maj = (rev_1 >> 8) & 0xff;
 330         min = rev_1 & 0xff;
 331
 332         ip_cfg = rev_2 & 0xff;
 333
 334         compat_len = sprintf(compat, "fsl,bman-portal-%u.%u.%u",
 335                                  maj, min, ip_cfg) + 1;
 336         compat_len += sprintf(compat + compat_len, "fsl,bman-portal") + 1;
 337
 338         off = fdt_node_offset_by_compatible(blob, -1, "fsl,bman-portal");
 339         while (off != -FDT_ERR_NOTFOUND) {
 340                 err = fdt_setprop(blob, off, "compatible", compat, compat_len);
 341                 if (err < 0) {
 342                         printf("ERROR: unable to create props for %s: %s\n",
 343                                 fdt_get_name(blob, off, NULL),
 344                                                  fdt_strerror(err));
 345                         return;
 346                 }
 347
 348                 off = fdt_node_offset_by_compatible(blob, off, "fsl,bman-portal");
 349         }
 350
 351 }