arch/powerpc/cpu/mpc8xxx/pamu_table.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright 2012-2016 Freescale Semiconductor, Inc.
   4  */
   5
   6 #include <log.h>
   7 #include <asm/fsl_pamu.h>
   8 #include <asm/global_data.h>
   9
  10 DECLARE_GLOBAL_DATA_PTR;
  11
  12 void construct_pamu_addr_table(struct pamu_addr_tbl *tbl, int *num_entries)
  13 {
  14         int i = 0;
  15         int j;
  16
  17         tbl->start_addr[i] =
  18                         (uint64_t)virt_to_phys((void *)CFG_SYS_SDRAM_BASE);
  19         tbl->size[i] = (phys_size_t)(min(gd->ram_size, CFG_MAX_MEM_MAPPED));
  20         tbl->end_addr[i] = tbl->start_addr[i] +  tbl->size[i] - 1;
  21
  22         i++;
  23 #ifdef CFG_SYS_FLASH_BASE_PHYS
  24         tbl->start_addr[i] =
  25                 (uint64_t)virt_to_phys((void *)CFG_SYS_FLASH_BASE_PHYS);
  26         tbl->size[i] = 256 * 1024 * 1024; /* 256MB flash */
  27         tbl->end_addr[i] = tbl->start_addr[i] +  tbl->size[i] - 1;
  28
  29         i++;
  30 #endif
  31 #if (defined(CONFIG_SPL_BUILD) && (CFG_SYS_INIT_L3_VADDR))
  32         tbl->start_addr[i] =
  33                 (uint64_t)virt_to_phys((void *)CFG_SYS_INIT_L3_VADDR);
  34         tbl->size[i] = 256 * 1024; /* 256K CPC flash */
  35         tbl->end_addr[i] = tbl->start_addr[i] +  tbl->size[i] - 1;
  36
  37         i++;
  38 #endif
  39         debug("PAMU address\t\t\tsize\n");
  40         for (j = 0; j < i ; j++)
  41                 debug("%llx \t\t\t%llx\n",  tbl->start_addr[j],  tbl->size[j]);
  42
  43         *num_entries = i;
  44 }
  45
  46 int sec_config_pamu_table(uint32_t liodn_ns, uint32_t liodn_s)
  47 {
  48         struct pamu_addr_tbl tbl;
  49         int num_entries = 0;
  50         int ret = 0;
  51
  52         construct_pamu_addr_table(&tbl, &num_entries);
  53
  54         ret = config_pamu(&tbl, num_entries, liodn_ns);
  55         if (ret)
  56                 return ret;
  57
  58         ret = config_pamu(&tbl, num_entries, liodn_s);
  59         if (ret)
  60                 return ret;
  61
  62         return ret;
  63 }