plat/arm/css/sgm/sgm_plat_config.c

   1 /*
   2  * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
   3  *
   4  * SPDX-License-Identifier: BSD-3-Clause
   5  */
   6
   7 #include <assert.h>
   8 #include <debug.h>
   9 #include <plat_arm.h>
  10 #include <platform_def.h>
  11 #include <sgm_plat_config.h>
  12 #include <sgm_variant.h>
  13 #include <string.h>
  14
  15 static css_plat_config_t *css_plat_info;
  16
  17 /* Interconnect */
  18 const css_inteconn_config_t sgm_inteconn = {
  19         .ip_type = ARM_CCI,
  20         .plat_inteconn_desc = NULL
  21 };
  22
  23 /* Special definition for SGM775 */
  24 /* Topology configuration for SGM775 */
  25 const unsigned char sgm775_power_domain_tree_desc[] = {
  26         /* No of root nodes */
  27         ARM_SYSTEM_COUNT,
  28         /* No of children for the root node */
  29         PLAT_ARM_CLUSTER_COUNT,
  30         /* No of children for the first cluster node */
  31         PLAT_ARM_CLUSTER_CORE_COUNT,
  32 };
  33
  34 const css_topology_t sgm775_topology = {
  35         .power_tree = sgm775_power_domain_tree_desc,
  36         .plat_cluster_core_count = PLAT_ARM_CLUSTER_CORE_COUNT
  37 };
  38
  39 /* Configuration structure for SGM775 */
  40 css_plat_config_t sgm775_config = {
  41         .inteconn = &sgm_inteconn,
  42         .topology = &sgm775_topology
  43 };
  44
  45 /*******************************************************************************
  46  * This function initializes the platform structure.
  47  ******************************************************************************/
  48 void plat_config_init(void)
  49 {
  50         /* Get the platform configurations */
  51         switch (GET_PLAT_PART_NUM) {
  52         case SGM775_SSC_VER_PART_NUM:
  53                 css_plat_info = &sgm775_config;
  54
  55                 break;
  56         default:
  57                 ERROR("Not a valid sgm variant!\n");
  58                 panic();
  59         }
  60 }
  61
  62 /*******************************************************************************
  63  * This function returns the platform structure pointer.
  64  ******************************************************************************/
  65 css_plat_config_t *get_plat_config(void)
  66 {
  67         assert(css_plat_info != NULL);
  68         return css_plat_info;
  69 }
  70
  71 #if TRUSTED_BOARD_BOOT
  72 int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size)
  73 {
  74         assert(heap_addr != NULL);
  75         assert(heap_size != NULL);
  76
  77         return arm_get_mbedtls_heap(heap_addr, heap_size);
  78 }
  79 #endif