drivers/misc/fsl_portals.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright 2008-2011 Freescale Semiconductor, Inc.
   4  * Copyright 2017 NXP
   5  */
   6
   7 #include <config.h>
   8 #include <log.h>
   9 #include <linux/libfdt.h>
  10 #include <fdt_support.h>
  11
  12 #include <asm/processor.h>
  13 #include <asm/io.h>
  14 #ifdef CONFIG_PPC
  15 #include <asm/fsl_portals.h>
  16 #include <asm/fsl_liodn.h>
  17 #else
  18 #include <asm/arch-fsl-layerscape/fsl_portals.h>
  19 #include <asm/arch-fsl-layerscape/fsl_icid.h>
  20 #endif
  21 #include <fsl_qbman.h>
  22
  23 #define MAX_BPORTALS (CFG_SYS_BMAN_CINH_SIZE / CFG_SYS_BMAN_SP_CINH_SIZE)
  24 #define MAX_QPORTALS (CFG_SYS_QMAN_CINH_SIZE / CFG_SYS_QMAN_SP_CINH_SIZE)
  25 void setup_qbman_portals(void)
  26 {
  27         void __iomem *bpaddr = (void *)CFG_SYS_BMAN_CINH_BASE +
  28                                 CFG_SYS_BMAN_SWP_ISDR_REG;
  29         void __iomem *qpaddr = (void *)CFG_SYS_QMAN_CINH_BASE +
  30                                 CFG_SYS_QMAN_SWP_ISDR_REG;
  31         struct ccsr_qman *qman = (void *)CFG_SYS_FSL_QMAN_ADDR;
  32
  33         /* Set the Qman initiator BAR to match the LAW (for DQRR stashing) */
  34 #ifdef CONFIG_PHYS_64BIT
  35         out_be32(&qman->qcsp_bare, (u32)(CFG_SYS_QMAN_MEM_PHYS >> 32));
  36 #endif
  37         out_be32(&qman->qcsp_bar, (u32)CFG_SYS_QMAN_MEM_PHYS);
  38 #ifdef CONFIG_FSL_CORENET
  39         int i;
  40
  41         for (i = 0; i < CFG_SYS_QMAN_NUM_PORTALS; i++) {
  42                 u8 sdest = qp_info[i].sdest;
  43                 u16 fliodn = qp_info[i].fliodn;
  44                 u16 dliodn = qp_info[i].dliodn;
  45                 u16 liodn_off = qp_info[i].liodn_offset;
  46
  47                 out_be32(&qman->qcsp[i].qcsp_lio_cfg, (liodn_off << 16) |
  48                                         dliodn);
  49                 /* set frame liodn */
  50                 out_be32(&qman->qcsp[i].qcsp_io_cfg, (sdest << 16) | fliodn);
  51         }
  52 #else
  53 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
  54         int i;
  55
  56         for (i = 0; i < CFG_SYS_QMAN_NUM_PORTALS; i++) {
  57                 u8 sdest = qp_info[i].sdest;
  58                 u16 ficid = qp_info[i].ficid;
  59                 u16 dicid = qp_info[i].dicid;
  60                 u16 icid = qp_info[i].icid;
  61
  62                 out_be32(&qman->qcsp[i].qcsp_lio_cfg, (icid << 16) |
  63                                         dicid);
  64                 /* set frame icid */
  65                 out_be32(&qman->qcsp[i].qcsp_io_cfg, (sdest << 16) | ficid);
  66         }
  67 #endif
  68 #endif
  69
  70         /* Change default state of BMan ISDR portals to all 1s */
  71         inhibit_portals(bpaddr, CFG_SYS_BMAN_NUM_PORTALS, MAX_BPORTALS,
  72                         CFG_SYS_BMAN_SP_CINH_SIZE);
  73         inhibit_portals(qpaddr, CFG_SYS_QMAN_NUM_PORTALS, MAX_QPORTALS,
  74                         CFG_SYS_QMAN_SP_CINH_SIZE);
  75 }
  76
  77 void inhibit_portals(void __iomem *addr, int max_portals,
  78                      int arch_max_portals, int portal_cinh_size)
  79 {
  80         u32 val;
  81         int i;
  82
  83         /* arch_max_portals is the maximum based on memory size. This includes
  84          * the reserved memory in the SoC.  max_portals the number of physical
  85          * portals in the SoC
  86          */
  87         if (max_portals > arch_max_portals) {
  88                 printf("ERROR: portal config error\n");
  89                 max_portals = arch_max_portals;
  90         }
  91
  92         for (i = 0; i < max_portals; i++) {
  93                 out_be32(addr, -1);
  94                 val = in_be32(addr);
  95                 if (!val) {
  96                         printf("ERROR: Stopped after %d portals\n", i);
  97                         return;
  98                 }
  99                 addr += portal_cinh_size;
 100         }
 101         debug("Cleared %d portals\n", i);
 102 }
 103
 104 #ifdef CONFIG_PPC
 105 static int fdt_qportal(void *blob, int off, int id, char *name,
 106                        enum fsl_dpaa_dev dev, int create)
 107 {
 108         int childoff, dev_off, ret = 0;
 109         unsigned int dev_handle;
 110 #ifdef CONFIG_FSL_CORENET
 111         int num;
 112         u32 liodns[2];
 113 #endif
 114
 115         childoff = fdt_subnode_offset(blob, off, name);
 116         if (create) {
 117                 char handle[64], *p;
 118
 119                 strncpy(handle, name, sizeof(handle));
 120                 p = strchr(handle, '@');
 121                 if (!strncmp(name, "fman", 4)) {
 122                         *p = *(p + 1);
 123                         p++;
 124                 }
 125                 *p = '\0';
 126
 127                 dev_off = fdt_path_offset(blob, handle);
 128                 /* skip this node if alias is not found */
 129                 if (dev_off == -FDT_ERR_BADPATH)
 130                         return 0;
 131                 if (dev_off < 0)
 132                         return dev_off;
 133
 134                 if (childoff <= 0)
 135                         childoff = fdt_add_subnode(blob, off, name);
 136
 137                 /* need to update the dev_off after adding a subnode */
 138                 dev_off = fdt_path_offset(blob, handle);
 139                 if (dev_off < 0)
 140                         return dev_off;
 141
 142                 if (childoff > 0) {
 143                         dev_handle = fdt_get_phandle(blob, dev_off);
 144                         if (dev_handle <= 0) {
 145                                 dev_handle = fdt_create_phandle(blob, dev_off);
 146                                 if (!dev_handle)
 147                                         return -FDT_ERR_NOPHANDLES;
 148                         }
 149
 150                         ret = fdt_setprop(blob, childoff, "dev-handle",
 151                                           &dev_handle, sizeof(dev_handle));
 152                         if (ret < 0)
 153                                 return ret;
 154
 155 #ifdef CONFIG_FSL_CORENET
 156                         num = get_dpaa_liodn(dev, &liodns[0], id);
 157                         ret = fdt_setprop(blob, childoff, "fsl,liodn",
 158                                           &liodns[0], sizeof(u32) * num);
 159                         if (!strncmp(name, "pme", 3)) {
 160                                 u32 pme_rev1, pme_rev2;
 161                                 ccsr_pme_t *pme_regs =
 162                                         (void *)CFG_SYS_FSL_CORENET_PME_ADDR;
 163
 164                                 pme_rev1 = in_be32(&pme_regs->pm_ip_rev_1);
 165                                 pme_rev2 = in_be32(&pme_regs->pm_ip_rev_2);
 166                                 ret = fdt_setprop(blob, childoff,
 167                                                   "fsl,pme-rev1", &pme_rev1,
 168                                                   sizeof(u32));
 169                                 if (ret < 0)
 170                                         return ret;
 171                                 ret = fdt_setprop(blob, childoff,
 172                                                   "fsl,pme-rev2", &pme_rev2,
 173                                                   sizeof(u32));
 174                         }
 175 #endif
 176                 } else {
 177                         return childoff;
 178                 }
 179         } else {
 180                 if (childoff > 0)
 181                         ret = fdt_del_node(blob, childoff);
 182         }
 183
 184         return ret;
 185 }
 186 #endif /* CONFIG_PPC */
 187
 188 void fdt_fixup_qportals(void *blob)
 189 {
 190         int off, err;
 191         unsigned int maj, min;
 192         unsigned int ip_cfg;
 193         struct ccsr_qman *qman = (void *)CFG_SYS_FSL_QMAN_ADDR;
 194         u32 rev_1 = in_be32(&qman->ip_rev_1);
 195         u32 rev_2 = in_be32(&qman->ip_rev_2);
 196         char compat[64];
 197         int compat_len;
 198
 199 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
 200         int smmu_ph = fdt_get_smmu_phandle(blob);
 201 #endif
 202
 203         maj = (rev_1 >> 8) & 0xff;
 204         min = rev_1 & 0xff;
 205         ip_cfg = rev_2 & 0xff;
 206
 207         compat_len = sprintf(compat, "fsl,qman-portal-%u.%u.%u",
 208                              maj, min, ip_cfg) + 1;
 209         compat_len += sprintf(compat + compat_len, "fsl,qman-portal") + 1;
 210
 211         fdt_for_each_node_by_compatible(off, blob, -1, "fsl,qman-portal") {
 212 #if defined(CONFIG_PPC) || defined(CONFIG_ARCH_LS1043A) || \
 213 defined(CONFIG_ARCH_LS1046A)
 214 #ifdef CONFIG_FSL_CORENET
 215                 u32 liodns[2];
 216 #endif
 217                 const int *ci = fdt_getprop(blob, off, "cell-index", &err);
 218                 int i;
 219
 220                 if (!ci)
 221                         goto err;
 222
 223                 i = fdt32_to_cpu(*ci);
 224 #if defined(CONFIG_SYS_DPAA_FMAN) && defined(CONFIG_PPC)
 225                 int j;
 226 #endif
 227
 228 #endif /* CONFIG_PPC || CONFIG_ARCH_LS1043A || CONFIG_ARCH_LS1046A */
 229                 err = fdt_setprop(blob, off, "compatible", compat, compat_len);
 230                 if (err < 0)
 231                         goto err;
 232 #ifdef CONFIG_PPC
 233 #ifdef CONFIG_FSL_CORENET
 234                 liodns[0] = qp_info[i].dliodn;
 235                 liodns[1] = qp_info[i].fliodn;
 236                 err = fdt_setprop(blob, off, "fsl,liodn",
 237                                   &liodns, sizeof(u32) * 2);
 238                 if (err < 0)
 239                         goto err;
 240 #endif
 241
 242                 i++;
 243
 244                 err = fdt_qportal(blob, off, i, "crypto@0", FSL_HW_PORTAL_SEC,
 245                                   IS_E_PROCESSOR(get_svr()));
 246                 if (err < 0)
 247                         goto err;
 248
 249 #ifdef CONFIG_FSL_CORENET
 250 #ifdef CONFIG_SYS_DPAA_PME
 251                 err = fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 1);
 252                 if (err < 0)
 253                         goto err;
 254 #else
 255                 fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 0);
 256 #endif
 257 #endif
 258
 259 #ifdef CONFIG_SYS_DPAA_FMAN
 260                 for (j = 0; j < CFG_SYS_NUM_FMAN; j++) {
 261                         char name[] = "fman@0";
 262
 263                         name[sizeof(name) - 2] = '0' + j;
 264                         err = fdt_qportal(blob, off, i, name,
 265                                           FSL_HW_PORTAL_FMAN1 + j, 1);
 266                         if (err < 0)
 267                                 goto err;
 268                 }
 269 #endif
 270 #ifdef CONFIG_SYS_DPAA_RMAN
 271                 err = fdt_qportal(blob, off, i, "rman@0",
 272                                   FSL_HW_PORTAL_RMAN, 1);
 273                 if (err < 0)
 274                         goto err;
 275 #endif
 276 #else
 277 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
 278                 if (smmu_ph >= 0) {
 279                         u32 icids[3];
 280
 281                         icids[0] = qp_info[i].icid;
 282                         icids[1] = qp_info[i].dicid;
 283                         icids[2] = qp_info[i].ficid;
 284
 285                         fdt_set_iommu_prop(blob, off, smmu_ph, icids, 3);
 286                 }
 287 #endif
 288 #endif /* CONFIG_PPC */
 289
 290 err:
 291                 if (err < 0) {
 292                         printf("ERROR: unable to create props for %s: %s\n",
 293                                fdt_get_name(blob, off, NULL),
 294                                fdt_strerror(err));
 295                         return;
 296                 }
 297         }
 298 }
 299
 300 void fdt_fixup_bportals(void *blob)
 301 {
 302         int off, err;
 303         unsigned int maj, min;
 304         unsigned int ip_cfg;
 305         struct ccsr_bman *bman = (void *)CFG_SYS_FSL_BMAN_ADDR;
 306         u32 rev_1 = in_be32(&bman->ip_rev_1);
 307         u32 rev_2 = in_be32(&bman->ip_rev_2);
 308         char compat[64];
 309         int compat_len;
 310
 311         maj = (rev_1 >> 8) & 0xff;
 312         min = rev_1 & 0xff;
 313
 314         ip_cfg = rev_2 & 0xff;
 315
 316         compat_len = sprintf(compat, "fsl,bman-portal-%u.%u.%u",
 317                              maj, min, ip_cfg) + 1;
 318         compat_len += sprintf(compat + compat_len, "fsl,bman-portal") + 1;
 319
 320         off = fdt_node_offset_by_compatible(blob, -1, "fsl,bman-portal");
 321         while (off != -FDT_ERR_NOTFOUND) {
 322                 err = fdt_setprop(blob, off, "compatible", compat, compat_len);
 323                 if (err < 0) {
 324                         printf("ERROR: unable to create props for %s: %s\n",
 325                                fdt_get_name(blob, off, NULL),
 326                                fdt_strerror(err));
 327                         return;
 328                 }
 329
 330                 off = fdt_node_offset_by_compatible(blob, off,
 331                                                     "fsl,bman-portal");
 332         }
 333 }