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path: root/plat/arm/common/arm_dyn_cfg_helpers.c
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Diffstat (limited to 'plat/arm/common/arm_dyn_cfg_helpers.c')
-rw-r--r--plat/arm/common/arm_dyn_cfg_helpers.c163
1 files changed, 0 insertions, 163 deletions
diff --git a/plat/arm/common/arm_dyn_cfg_helpers.c b/plat/arm/common/arm_dyn_cfg_helpers.c
index daf0f0a638..909c4a671a 100644
--- a/plat/arm/common/arm_dyn_cfg_helpers.c
+++ b/plat/arm/common/arm_dyn_cfg_helpers.c
@@ -15,128 +15,6 @@
#define DTB_PROP_MBEDTLS_HEAP_ADDR "mbedtls_heap_addr"
#define DTB_PROP_MBEDTLS_HEAP_SIZE "mbedtls_heap_size"
-typedef struct config_load_info_prop {
- unsigned int config_id;
- const char *config_addr;
- const char *config_max_size;
-} config_load_info_prop_t;
-
-static const config_load_info_prop_t prop_names[] = {
- {HW_CONFIG_ID, "hw_config_addr", "hw_config_max_size"},
- {SOC_FW_CONFIG_ID, "soc_fw_config_addr", "soc_fw_config_max_size"},
- {TOS_FW_CONFIG_ID, "tos_fw_config_addr", "tos_fw_config_max_size"},
- {NT_FW_CONFIG_ID, "nt_fw_config_addr", "nt_fw_config_max_size"}
-};
-
-/*******************************************************************************
- * Helper to read the load information corresponding to the `config_id` in
- * TB_FW_CONFIG. This function expects the following properties to be defined :
- * <config>_addr size : 2 cells
- * <config>_max_size size : 1 cell
- *
- * Arguments:
- * void *dtb - pointer to the TB_FW_CONFIG in memory
- * int node - The node offset to appropriate node in the
- * DTB.
- * unsigned int config_id - The configuration id
- * uint64_t *config_addr - Returns the `config` load address if read
- * is successful.
- * uint32_t *config_size - Returns the `config` size if read is
- * successful.
- *
- * Returns 0 on success and -1 on error.
- ******************************************************************************/
-int arm_dyn_get_config_load_info(void *dtb, int node, unsigned int config_id,
- uint64_t *config_addr, uint32_t *config_size)
-{
- int err;
- unsigned int i;
-
- assert(dtb != NULL);
- assert(config_addr != NULL);
- assert(config_size != NULL);
-
- for (i = 0; i < ARRAY_SIZE(prop_names); i++) {
- if (prop_names[i].config_id == config_id)
- break;
- }
-
- if (i == ARRAY_SIZE(prop_names)) {
- WARN("Invalid config id %d\n", config_id);
- return -1;
- }
-
- /* Check if the pointer to DT is correct */
- assert(fdt_check_header(dtb) == 0);
-
- /* Assert the node offset point to "arm,tb_fw" compatible property */
- assert(node == fdt_node_offset_by_compatible(dtb, -1, "arm,tb_fw"));
-
- err = fdtw_read_cells(dtb, node, prop_names[i].config_addr, 2,
- (void *) config_addr);
- if (err < 0) {
- WARN("Read cell failed for %s\n", prop_names[i].config_addr);
- return -1;
- }
-
- err = fdtw_read_cells(dtb, node, prop_names[i].config_max_size, 1,
- (void *) config_size);
- if (err < 0) {
- WARN("Read cell failed for %s\n", prop_names[i].config_max_size);
- return -1;
- }
-
- VERBOSE("Dyn cfg: Read config_id %d load info from TB_FW_CONFIG 0x%llx 0x%x\n",
- config_id, (unsigned long long)*config_addr, *config_size);
-
- return 0;
-}
-
-/*******************************************************************************
- * Helper to read the `disable_auth` property in config DTB. This function
- * expects the following properties to be present in the config DTB.
- * name : disable_auth size : 1 cell
- *
- * Arguments:
- * void *dtb - pointer to the TB_FW_CONFIG in memory
- * int node - The node offset to appropriate node in the
- * DTB.
- * uint64_t *disable_auth - The value of `disable_auth` property on
- * successful read. Must be 0 or 1.
- *
- * Returns 0 on success and -1 on error.
- ******************************************************************************/
-int arm_dyn_get_disable_auth(void *dtb, int node, uint32_t *disable_auth)
-{
- int err;
-
- assert(dtb != NULL);
- assert(disable_auth != NULL);
-
- /* Check if the pointer to DT is correct */
- assert(fdt_check_header(dtb) == 0);
-
- /* Assert the node offset point to "arm,tb_fw" compatible property */
- assert(node == fdt_node_offset_by_compatible(dtb, -1, "arm,tb_fw"));
-
- /* Locate the disable_auth cell and read the value */
- err = fdtw_read_cells(dtb, node, "disable_auth", 1, disable_auth);
- if (err < 0) {
- WARN("Read cell failed for `disable_auth`\n");
- return -1;
- }
-
- /* Check if the value is boolean */
- if ((*disable_auth != 0U) && (*disable_auth != 1U)) {
- WARN("Invalid value for `disable_auth` cell %d\n", *disable_auth);
- return -1;
- }
-
- VERBOSE("Dyn cfg: `disable_auth` cell found with value = %d\n",
- *disable_auth);
- return 0;
-}
-
/*******************************************************************************
* Validate the tb_fw_config is a valid DTB file and returns the node offset
* to "arm,tb_fw" property.
@@ -169,47 +47,6 @@ int arm_dyn_tb_fw_cfg_init(void *dtb, int *node)
}
/*
- * Reads and returns the Mbed TLS shared heap information from the DTB.
- * This function is supposed to be called *only* when a DTB is present.
- * This function is supposed to be called only by BL2.
- *
- * Returns:
- * 0 = success
- * -1 = error. In this case the values of heap_addr, heap_size should be
- * considered as garbage by the caller.
- */
-int arm_get_dtb_mbedtls_heap_info(void *dtb, void **heap_addr,
- size_t *heap_size)
-{
- int err, dtb_root;
-
- /* Verify the DTB is valid and get the root node */
- err = arm_dyn_tb_fw_cfg_init(dtb, &dtb_root);
- if (err < 0) {
- ERROR("Invalid TB_FW_CONFIG. Cannot retrieve Mbed TLS heap information from DTB\n");
- return -1;
- }
-
- /* Retrieve the Mbed TLS heap details from the DTB */
- err = fdtw_read_cells(dtb, dtb_root,
- DTB_PROP_MBEDTLS_HEAP_ADDR, 2, heap_addr);
- if (err < 0) {
- ERROR("Error while reading %s from DTB\n",
- DTB_PROP_MBEDTLS_HEAP_ADDR);
- return -1;
- }
- err = fdtw_read_cells(dtb, dtb_root,
- DTB_PROP_MBEDTLS_HEAP_SIZE, 1, heap_size);
- if (err < 0) {
- ERROR("Error while reading %s from DTB\n",
- DTB_PROP_MBEDTLS_HEAP_SIZE);
- return -1;
- }
- return 0;
-}
-
-
-/*
* This function writes the Mbed TLS heap address and size in the DTB. When it
* is called, it is guaranteed that a DTB is available. However it is not
* guaranteed that the shared Mbed TLS heap implementation is used. Thus we