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 <common.h>
   7 #include <asm/fsl_pamu.h>
   8
   9 DECLARE_GLOBAL_DATA_PTR;
  10
  11 void construct_pamu_addr_table(struct pamu_addr_tbl *tbl, int *num_entries)
  12 {
  13         int i = 0;
  14         int j;
  15
  16         tbl->start_addr[i] =
  17                         (uint64_t)virt_to_phys((void *)CONFIG_SYS_SDRAM_BASE);
  18         tbl->size[i] = (phys_size_t)(min(gd->ram_size, CONFIG_MAX_MEM_MAPPED));
  19         tbl->end_addr[i] = tbl->start_addr[i] +  tbl->size[i] - 1;
  20
  21         i++;
  22 #ifdef CONFIG_SYS_FLASH_BASE_PHYS
  23         tbl->start_addr[i] =
  24                 (uint64_t)virt_to_phys((void *)CONFIG_SYS_FLASH_BASE_PHYS);
  25         tbl->size[i] = 256 * 1024 * 1024; /* 256MB flash */
  26         tbl->end_addr[i] = tbl->start_addr[i] +  tbl->size[i] - 1;
  27
  28         i++;
  29 #endif
  30 #if (defined(CONFIG_SPL_BUILD) && (CONFIG_SYS_INIT_L3_VADDR))
  31         tbl->start_addr[i] =
  32                 (uint64_t)virt_to_phys((void *)CONFIG_SYS_INIT_L3_VADDR);
  33         tbl->size[i] = 256 * 1024; /* 256K CPC flash */
  34         tbl->end_addr[i] = tbl->start_addr[i] +  tbl->size[i] - 1;
  35
  36         i++;
  37 #endif
  38         debug("PAMU address\t\t\tsize\n");
  39         for (j = 0; j < i ; j++)
  40                 debug("%llx \t\t\t%llx\n",  tbl->start_addr[j],  tbl->size[j]);
  41
  42         *num_entries = i;
  43 }
  44
  45 int sec_config_pamu_table(uint32_t liodn_ns, uint32_t liodn_s)
  46 {
  47         struct pamu_addr_tbl tbl;
  48         int num_entries = 0;
  49         int ret = 0;
  50
  51         construct_pamu_addr_table(&tbl, &num_entries);
  52
  53         ret = config_pamu(&tbl, num_entries, liodn_ns);
  54         if (ret)
  55                 return ret;
  56
  57         ret = config_pamu(&tbl, num_entries, liodn_s);
  58         if (ret)
  59                 return ret;
  60
  61         return ret;
  62 }