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Diffstat (limited to 'src/arch/arm64/bl31.c')
-rw-r--r--src/arch/arm64/bl31.c89
1 files changed, 62 insertions, 27 deletions
diff --git a/src/arch/arm64/bl31.c b/src/arch/arm64/bl31.c
index fb24dff40e..c94b1d101e 100644
--- a/src/arch/arm64/bl31.c
+++ b/src/arch/arm64/bl31.c
@@ -18,32 +18,75 @@
#include <bl31.h>
#include <bootmem.h>
#include <cbfs.h>
+#include <cbmem.h>
#include <console/console.h>
#include <program_loading.h>
-/*
- * TODO: Many of these structures are currently unused. Better not fill them out
- * to make future changes fail fast, rather than try to come up with content
- * that might turn out to not make sense. Implement later as required.
- *
-static image_info_t bl31_image_info;
-static image_info_t bl32_image_info;
-static image_info_t bl33_image_info;
- */
-static entry_point_info_t bl32_ep_info;
-static entry_point_info_t bl33_ep_info;
-static bl31_params_t bl31_params;
+#include <arm-trusted-firmware/include/export/common/bl_common_exp.h>
+
+static entry_point_info_t bl32_ep_info = {
+ .h = {
+ .type = PARAM_EP,
+ .version = PARAM_VERSION_1,
+ .size = sizeof(bl32_ep_info),
+ .attr = EP_SECURE,
+ },
+};
+static entry_point_info_t bl33_ep_info = {
+ .h = {
+ .type = PARAM_EP,
+ .version = PARAM_VERSION_1,
+ .size = sizeof(bl33_ep_info),
+ .attr = EP_NON_SECURE,
+ },
+};
+
+static bl_params_node_t bl32_params_node = {
+ .image_id = BL32_IMAGE_ID,
+ .ep_info = &bl32_ep_info,
+};
+static bl_params_node_t bl33_params_node = {
+ .image_id = BL33_IMAGE_ID,
+ .ep_info = &bl33_ep_info,
+};
+
+static bl_params_t bl_params = {
+ .h = {
+ .type = PARAM_BL_PARAMS,
+ .version = PARAM_VERSION_2,
+ .size = sizeof(bl_params),
+ .attr = 0,
+ },
+ .head = &bl33_params_node,
+};
+
+static struct bl_aux_param_header *bl_aux_params;
-void __weak *soc_get_bl31_plat_params(bl31_params_t *params)
+/* Only works when using the default soc_get_bl31_plat_params() below. */
+void register_bl31_aux_param(struct bl_aux_param_header *param)
{
- /* Default weak implementation. */
- return NULL;
+ param->next = (uintptr_t)bl_aux_params;
+ bl_aux_params = param;
+}
+
+/* Default implementation. All newly added SoCs should use this if possible! */
+__weak void *soc_get_bl31_plat_params(void)
+{
+ static struct bl_aux_param_uint64 cbtable_param = {
+ .h = { .type = BL_AUX_PARAM_COREBOOT_TABLE, },
+ };
+ if (!cbtable_param.value) {
+ cbtable_param.value = (uint64_t)cbmem_find(CBMEM_ID_CBTABLE);
+ if (cbtable_param.value)
+ register_bl31_aux_param(&cbtable_param.h);
+ }
+ return bl_aux_params;
}
void run_bl31(u64 payload_entry, u64 payload_arg0, u64 payload_spsr)
{
struct prog bl31 = PROG_INIT(PROG_BL31, CONFIG_CBFS_PREFIX"/bl31");
- void (*bl31_entry)(bl31_params_t *params, void *plat_params) = NULL;
+ void (*bl31_entry)(bl_params_t *params, void *plat_params) = NULL;
if (prog_locate(&bl31))
die("BL31 not found");
@@ -52,8 +95,6 @@ void run_bl31(u64 payload_entry, u64 payload_arg0, u64 payload_spsr)
die("BL31 load failed");
bl31_entry = prog_entry(&bl31);
- SET_PARAM_HEAD(&bl31_params, PARAM_BL31, VERSION_1, 0);
-
if (CONFIG(ARM64_USE_SECURE_OS)) {
struct prog bl32 = PROG_INIT(PROG_BL32,
CONFIG_CBFS_PREFIX"/secure_os");
@@ -64,27 +105,21 @@ void run_bl31(u64 payload_entry, u64 payload_arg0, u64 payload_spsr)
if (cbfs_prog_stage_load(&bl32))
die("BL32 load failed");
- SET_PARAM_HEAD(&bl32_ep_info, PARAM_EP, VERSION_1,
- PARAM_EP_SECURE);
bl32_ep_info.pc = (uintptr_t)prog_entry(&bl32);
bl32_ep_info.spsr = SPSR_EXCEPTION_MASK |
get_eret_el(EL1, SPSR_USE_L);
- bl31_params.bl32_ep_info = &bl32_ep_info;
+ bl33_params_node.next_params_info = &bl32_params_node;
}
- bl31_params.bl33_ep_info = &bl33_ep_info;
-
- SET_PARAM_HEAD(&bl33_ep_info, PARAM_EP, VERSION_1, PARAM_EP_NON_SECURE);
bl33_ep_info.pc = payload_entry;
bl33_ep_info.spsr = payload_spsr;
bl33_ep_info.args.arg0 = payload_arg0;
- /* May update bl31_params if necessary. */
- void *bl31_plat_params = soc_get_bl31_plat_params(&bl31_params);
+ void *bl31_plat_params = soc_get_bl31_plat_params();
/* MMU disable will flush cache, so passed params land in memory. */
raw_write_daif(SPSR_EXCEPTION_MASK);
mmu_disable();
- bl31_entry(&bl31_params, bl31_plat_params);
+ bl31_entry(&bl_params, bl31_plat_params);
die("BL31 returned!");
}