drivers/misc/fsl_portals.c

   1 /*
   2  * Copyright 2008-2011 Freescale Semiconductor, Inc.
   3  * Copyright 2017 NXP
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.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 #endif
  18 #include <fsl_qbman.h>
  19
  20 #define MAX_BPORTALS (CONFIG_SYS_BMAN_CINH_SIZE / CONFIG_SYS_BMAN_SP_CINH_SIZE)
  21 #define MAX_QPORTALS (CONFIG_SYS_QMAN_CINH_SIZE / CONFIG_SYS_QMAN_SP_CINH_SIZE)
  22 void setup_qbman_portals(void)
  23 {
  24         void __iomem *bpaddr = (void *)CONFIG_SYS_BMAN_CINH_BASE +
  25                                 CONFIG_SYS_BMAN_SWP_ISDR_REG;
  26         void __iomem *qpaddr = (void *)CONFIG_SYS_QMAN_CINH_BASE +
  27                                 CONFIG_SYS_QMAN_SWP_ISDR_REG;
  28 #ifdef CONFIG_PPC
  29         struct ccsr_qman *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
  30
  31         /* Set the Qman initiator BAR to match the LAW (for DQRR stashing) */
  32 #ifdef CONFIG_PHYS_64BIT
  33         out_be32(&qman->qcsp_bare, (u32)(CONFIG_SYS_QMAN_MEM_PHYS >> 32));
  34 #endif
  35         out_be32(&qman->qcsp_bar, (u32)CONFIG_SYS_QMAN_MEM_PHYS);
  36 #endif
  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         /* Change default state of BMan ISDR portals to all 1s */
  54         inhibit_portals(bpaddr, CONFIG_SYS_BMAN_NUM_PORTALS, MAX_BPORTALS,
  55                         CONFIG_SYS_BMAN_SP_CINH_SIZE);
  56         inhibit_portals(qpaddr, CONFIG_SYS_QMAN_NUM_PORTALS, MAX_QPORTALS,
  57                         CONFIG_SYS_QMAN_SP_CINH_SIZE);
  58 }
  59
  60 void inhibit_portals(void __iomem *addr, int max_portals,
  61                      int arch_max_portals, int portal_cinh_size)
  62 {
  63         u32 val;
  64         int i;
  65
  66         /* arch_max_portals is the maximum based on memory size. This includes
  67          * the reserved memory in the SoC.  max_portals the number of physical
  68          * portals in the SoC
  69          */
  70         if (max_portals > arch_max_portals) {
  71                 printf("ERROR: portal config error\n");
  72                 max_portals = arch_max_portals;
  73         }
  74
  75         for (i = 0; i < max_portals; i++) {
  76                 out_be32(addr, -1);
  77                 val = in_be32(addr);
  78                 if (!val) {
  79                         printf("ERROR: Stopped after %d portals\n", i);
  80                         return;
  81                 }
  82                 addr += portal_cinh_size;
  83         }
  84         debug("Cleared %d portals\n", i);
  85 }
  86
  87 #ifdef CONFIG_PPC
  88 static int fdt_qportal(void *blob, int off, int id, char *name,
  89                        enum fsl_dpaa_dev dev, int create)
  90 {
  91         int childoff, dev_off, ret = 0;
  92         u32 dev_handle;
  93 #ifdef CONFIG_FSL_CORENET
  94         int num;
  95         u32 liodns[2];
  96 #endif
  97
  98         childoff = fdt_subnode_offset(blob, off, name);
  99         if (create) {
 100                 char handle[64], *p;
 101
 102                 strncpy(handle, name, sizeof(handle));
 103                 p = strchr(handle, '@');
 104                 if (!strncmp(name, "fman", 4)) {
 105                         *p = *(p + 1);
 106                         p++;
 107                 }
 108                 *p = '\0';
 109
 110                 dev_off = fdt_path_offset(blob, handle);
 111                 /* skip this node if alias is not found */
 112                 if (dev_off == -FDT_ERR_BADPATH)
 113                         return 0;
 114                 if (dev_off < 0)
 115                         return dev_off;
 116
 117                 if (childoff <= 0)
 118                         childoff = fdt_add_subnode(blob, off, name);
 119
 120                 /* need to update the dev_off after adding a subnode */
 121                 dev_off = fdt_path_offset(blob, handle);
 122                 if (dev_off < 0)
 123                         return dev_off;
 124
 125                 if (childoff > 0) {
 126                         dev_handle = fdt_get_phandle(blob, dev_off);
 127                         if (dev_handle <= 0) {
 128                                 dev_handle = fdt_alloc_phandle(blob);
 129                                 ret = fdt_set_phandle(blob, dev_off,
 130                                                       dev_handle);
 131                                 if (ret < 0)
 132                                         return ret;
 133                         }
 134
 135                         ret = fdt_setprop(blob, childoff, "dev-handle",
 136                                           &dev_handle, sizeof(dev_handle));
 137                         if (ret < 0)
 138                                 return ret;
 139
 140 #ifdef CONFIG_FSL_CORENET
 141                         num = get_dpaa_liodn(dev, &liodns[0], id);
 142                         ret = fdt_setprop(blob, childoff, "fsl,liodn",
 143                                           &liodns[0], sizeof(u32) * num);
 144                         if (!strncmp(name, "pme", 3)) {
 145                                 u32 pme_rev1, pme_rev2;
 146                                 ccsr_pme_t *pme_regs =
 147                                         (void *)CONFIG_SYS_FSL_CORENET_PME_ADDR;
 148
 149                                 pme_rev1 = in_be32(&pme_regs->pm_ip_rev_1);
 150                                 pme_rev2 = in_be32(&pme_regs->pm_ip_rev_2);
 151                                 ret = fdt_setprop(blob, childoff,
 152                                                   "fsl,pme-rev1", &pme_rev1,
 153                                                   sizeof(u32));
 154                                 if (ret < 0)
 155                                         return ret;
 156                                 ret = fdt_setprop(blob, childoff,
 157                                                   "fsl,pme-rev2", &pme_rev2,
 158                                                   sizeof(u32));
 159                         }
 160 #endif
 161                 } else {
 162                         return childoff;
 163                 }
 164         } else {
 165                 if (childoff > 0)
 166                         ret = fdt_del_node(blob, childoff);
 167         }
 168
 169         return ret;
 170 }
 171 #endif /* CONFIG_PPC */
 172
 173 void fdt_fixup_qportals(void *blob)
 174 {
 175         int off, err;
 176         unsigned int maj, min;
 177         unsigned int ip_cfg;
 178         struct ccsr_qman *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
 179         u32 rev_1 = in_be32(&qman->ip_rev_1);
 180         u32 rev_2 = in_be32(&qman->ip_rev_2);
 181         char compat[64];
 182         int compat_len;
 183
 184         maj = (rev_1 >> 8) & 0xff;
 185         min = rev_1 & 0xff;
 186         ip_cfg = rev_2 & 0xff;
 187
 188         compat_len = sprintf(compat, "fsl,qman-portal-%u.%u.%u",
 189                              maj, min, ip_cfg) + 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_PPC
 195 #ifdef CONFIG_FSL_CORENET
 196                 u32 liodns[2];
 197 #endif
 198                 const int *ci = fdt_getprop(blob, off, "cell-index", &err);
 199                 int i;
 200
 201                 if (!ci)
 202                         goto err;
 203
 204                 i = *ci;
 205 #ifdef CONFIG_SYS_DPAA_FMAN
 206                 int j;
 207 #endif
 208
 209 #endif /* CONFIG_PPC */
 210                 err = fdt_setprop(blob, off, "compatible", compat, compat_len);
 211                 if (err < 0)
 212                         goto err;
 213 #ifdef CONFIG_PPC
 214 #ifdef CONFIG_FSL_CORENET
 215                 liodns[0] = qp_info[i].dliodn;
 216                 liodns[1] = qp_info[i].fliodn;
 217                 err = fdt_setprop(blob, off, "fsl,liodn",
 218                                   &liodns, sizeof(u32) * 2);
 219                 if (err < 0)
 220                         goto err;
 221 #endif
 222
 223                 i++;
 224
 225                 err = fdt_qportal(blob, off, i, "crypto@0", FSL_HW_PORTAL_SEC,
 226                                   IS_E_PROCESSOR(get_svr()));
 227                 if (err < 0)
 228                         goto err;
 229
 230 #ifdef CONFIG_FSL_CORENET
 231 #ifdef CONFIG_SYS_DPAA_PME
 232                 err = fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 1);
 233                 if (err < 0)
 234                         goto err;
 235 #else
 236                 fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 0);
 237 #endif
 238 #endif
 239
 240 #ifdef CONFIG_SYS_DPAA_FMAN
 241                 for (j = 0; j < CONFIG_SYS_NUM_FMAN; j++) {
 242                         char name[] = "fman@0";
 243
 244                         name[sizeof(name) - 2] = '0' + j;
 245                         err = fdt_qportal(blob, off, i, name,
 246                                           FSL_HW_PORTAL_FMAN1 + j, 1);
 247                         if (err < 0)
 248                                 goto err;
 249                 }
 250 #endif
 251 #ifdef CONFIG_SYS_DPAA_RMAN
 252                 err = fdt_qportal(blob, off, i, "rman@0",
 253                                   FSL_HW_PORTAL_RMAN, 1);
 254                 if (err < 0)
 255                         goto err;
 256 #endif
 257 #endif /* CONFIG_PPC */
 258
 259 err:
 260                 if (err < 0) {
 261                         printf("ERROR: unable to create props for %s: %s\n",
 262                                fdt_get_name(blob, off, NULL),
 263                                fdt_strerror(err));
 264                         return;
 265                 }
 266
 267                 off = fdt_node_offset_by_compatible(blob, off,
 268                                                     "fsl,qman-portal");
 269         }
 270 }
 271
 272 void fdt_fixup_bportals(void *blob)
 273 {
 274         int off, err;
 275         unsigned int maj, min;
 276         unsigned int ip_cfg;
 277         struct ccsr_bman *bman = (void *)CONFIG_SYS_FSL_BMAN_ADDR;
 278         u32 rev_1 = in_be32(&bman->ip_rev_1);
 279         u32 rev_2 = in_be32(&bman->ip_rev_2);
 280         char compat[64];
 281         int compat_len;
 282
 283         maj = (rev_1 >> 8) & 0xff;
 284         min = rev_1 & 0xff;
 285
 286         ip_cfg = rev_2 & 0xff;
 287
 288         compat_len = sprintf(compat, "fsl,bman-portal-%u.%u.%u",
 289                              maj, min, ip_cfg) + 1;
 290         compat_len += sprintf(compat + compat_len, "fsl,bman-portal") + 1;
 291
 292         off = fdt_node_offset_by_compatible(blob, -1, "fsl,bman-portal");
 293         while (off != -FDT_ERR_NOTFOUND) {
 294                 err = fdt_setprop(blob, off, "compatible", compat, compat_len);
 295                 if (err < 0) {
 296                         printf("ERROR: unable to create props for %s: %s\n",
 297                                fdt_get_name(blob, off, NULL),
 298                                fdt_strerror(err));
 299                         return;
 300                 }
 301
 302                 off = fdt_node_offset_by_compatible(blob, off,
 303                                                     "fsl,bman-portal");
 304         }
 305 }