poplar: Add BL32 (OP-TEE) support
Signed-off-by: Victor Chong <victor.chong@linaro.org>
diff --git a/plat/hisilicon/poplar/aarch64/platform_common.c b/plat/hisilicon/poplar/aarch64/platform_common.c
index a7dac4f..762bd84 100644
--- a/plat/hisilicon/poplar/aarch64/platform_common.c
+++ b/plat/hisilicon/poplar/aarch64/platform_common.c
@@ -25,9 +25,14 @@
DEVICE_SIZE, \
MT_DEVICE | MT_RW | MT_SECURE)
+#define MAP_TSP_MEM MAP_REGION_FLAT(TSP_SEC_MEM_BASE, \
+ TSP_SEC_MEM_SIZE, \
+ MT_MEMORY | MT_RW | MT_SECURE)
+
static const mmap_region_t poplar_mmap[] = {
MAP_DDR,
MAP_DEVICE,
+ MAP_TSP_MEM,
{0}
};
diff --git a/plat/hisilicon/poplar/bl2_plat_setup.c b/plat/hisilicon/poplar/bl2_plat_setup.c
index e534257..db507c3 100644
--- a/plat/hisilicon/poplar/bl2_plat_setup.c
+++ b/plat/hisilicon/poplar/bl2_plat_setup.c
@@ -29,8 +29,10 @@
typedef struct bl2_to_bl31_params_mem {
bl31_params_t bl31_params;
image_info_t bl31_image_info;
+ image_info_t bl32_image_info;
image_info_t bl33_image_info;
entry_point_info_t bl33_ep_info;
+ entry_point_info_t bl32_ep_info;
entry_point_info_t bl31_ep_info;
} bl2_to_bl31_params_mem_t;
@@ -61,6 +63,16 @@
SET_PARAM_HEAD(bl2_to_bl31_params->bl31_image_info,
PARAM_IMAGE_BINARY, VERSION_1, 0);
+ /* Fill BL3-2 related information if it exists */
+#ifdef BL32_BASE
+ bl2_to_bl31_params->bl32_ep_info = &bl31_params_mem.bl32_ep_info;
+ SET_PARAM_HEAD(bl2_to_bl31_params->bl32_ep_info, PARAM_EP,
+ VERSION_1, 0);
+ bl2_to_bl31_params->bl32_image_info = &bl31_params_mem.bl32_image_info;
+ SET_PARAM_HEAD(bl2_to_bl31_params->bl32_image_info, PARAM_IMAGE_BINARY,
+ VERSION_1, 0);
+#endif
+
/* Fill BL3-3 related information */
bl2_to_bl31_params->bl33_ep_info = &bl31_params_mem.bl33_ep_info;
SET_PARAM_HEAD(bl2_to_bl31_params->bl33_ep_info,
@@ -88,6 +100,41 @@
bl31_ep_info->spsr = SPSR_64(MODE_EL3, MODE_SP_ELX,
DISABLE_ALL_EXCEPTIONS);
}
+
+/*******************************************************************************
+ * Before calling this function BL32 is loaded in memory and its entrypoint
+ * is set by load_image. This is a placeholder for the platform to change
+ * the entrypoint of BL32 and set SPSR and security state.
+ * On Poplar we only set the security state of the entrypoint
+ ******************************************************************************/
+#ifdef BL32_BASE
+void bl2_plat_set_bl32_ep_info(image_info_t *bl32_image_info,
+ entry_point_info_t *bl32_ep_info)
+{
+ SET_SECURITY_STATE(bl32_ep_info->h.attr, SECURE);
+ /*
+ * The Secure Payload Dispatcher service is responsible for
+ * setting the SPSR prior to entry into the BL32 image.
+ */
+ bl32_ep_info->spsr = 0;
+}
+
+/*******************************************************************************
+ * Populate the extents of memory available for loading BL32
+ ******************************************************************************/
+void bl2_plat_get_bl32_meminfo(meminfo_t *bl32_meminfo)
+{
+ /*
+ * Populate the extents of memory available for loading BL32.
+ */
+ bl32_meminfo->total_base = BL32_BASE;
+ bl32_meminfo->free_base = BL32_BASE;
+ bl32_meminfo->total_size =
+ (TSP_SEC_MEM_BASE + TSP_SEC_MEM_SIZE) - BL32_BASE;
+ bl32_meminfo->free_size =
+ (TSP_SEC_MEM_BASE + TSP_SEC_MEM_SIZE) - BL32_BASE;
+}
+#endif /* BL32_BASE */
static uint32_t hisi_get_spsr_for_bl33_entry(void)
{
diff --git a/plat/hisilicon/poplar/bl31_plat_setup.c b/plat/hisilicon/poplar/bl31_plat_setup.c
index 9e970e7..e3a5c50 100644
--- a/plat/hisilicon/poplar/bl31_plat_setup.c
+++ b/plat/hisilicon/poplar/bl31_plat_setup.c
@@ -34,6 +34,7 @@
#define TZPC_SEC_ATTR_CTRL_VALUE (0x9DB98D45)
+static entry_point_info_t bl32_image_ep_info;
static entry_point_info_t bl33_image_ep_info;
static void hisi_tzpc_sec_init(void)
@@ -43,7 +44,19 @@
entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
{
- return &bl33_image_ep_info;
+ entry_point_info_t *next_image_info;
+
+ assert(sec_state_is_valid(type));
+ next_image_info = (type == NON_SECURE)
+ ? &bl33_image_ep_info : &bl32_image_ep_info;
+ /*
+ * None of the images on the ARM development platforms can have 0x0
+ * as the entrypoint
+ */
+ if (next_image_info->pc)
+ return next_image_info;
+ else
+ return NULL;
}
void bl31_early_platform_setup(bl31_params_t *from_bl2,
@@ -54,6 +67,13 @@
/* Init console for crash report */
plat_crash_console_init();
+
+ /*
+ * Copy BL32 (if populated by BL2) and BL33 entry point information.
+ * They are stored in Secure RAM, in BL2's address space.
+ */
+ if (from_bl2->bl32_ep_info)
+ bl32_image_ep_info = *from_bl2->bl32_ep_info;
bl33_image_ep_info = *from_bl2->bl33_ep_info;
}
diff --git a/plat/hisilicon/poplar/include/platform_def.h b/plat/hisilicon/poplar/include/platform_def.h
index 8f29771..3d1ad9b 100644
--- a/plat/hisilicon/poplar/include/platform_def.h
+++ b/plat/hisilicon/poplar/include/platform_def.h
@@ -48,10 +48,54 @@
#define TEE_SEC_MEM_BASE (0x70000000)
#define TEE_SEC_MEM_SIZE (0x10000000)
+/* Memory location options for TSP */
+#define POPLAR_SRAM_ID 0
+#define POPLAR_DRAM_ID 1
+
+/*
+ * DDR for OP-TEE (28MB from 0x02200000 -0x04000000) is divided in several
+ * regions:
+ * - Secure DDR (default is the top 16MB) used by OP-TEE
+ * - Non-secure DDR (4MB) reserved for OP-TEE's future use
+ * - Secure DDR (4MB aligned on 4MB) for OP-TEE's "Secure Data Path" feature
+ * - Non-secure DDR used by OP-TEE (shared memory and padding) (4MB)
+ * - Non-secure DDR (2MB) reserved for OP-TEE's future use
+ */
+#define DDR_SEC_SIZE 0x01000000
+#define DDR_SEC_BASE 0x03000000
+
#define BL_MEM_BASE (BL1_RO_BASE)
#define BL_MEM_LIMIT (BL31_LIMIT)
#define BL_MEM_SIZE (BL_MEM_LIMIT - BL_MEM_BASE)
+/*
+ * BL3-2 specific defines.
+ */
+
+/*
+ * The TSP currently executes from TZC secured area of DRAM.
+ */
+#define BL32_DRAM_BASE 0x03000000
+#define BL32_DRAM_LIMIT 0x04000000
+
+#if (POPLAR_TSP_RAM_LOCATION_ID == POPLAR_DRAM_ID)
+#define TSP_SEC_MEM_BASE BL32_DRAM_BASE
+#define TSP_SEC_MEM_SIZE (BL32_DRAM_LIMIT - BL32_DRAM_BASE)
+#define BL32_BASE BL32_DRAM_BASE
+#define BL32_LIMIT BL32_DRAM_LIMIT
+#elif (POPLAR_TSP_RAM_LOCATION_ID == POPLAR_SRAM_ID)
+#error "SRAM storage of TSP payload is currently unsupported"
+#else
+#error "Currently unsupported POPLAR_TSP_LOCATION_ID value"
+#endif
+
+/* BL32 is mandatory in AArch32 */
+#ifndef AARCH32
+#ifdef SPD_none
+#undef BL32_BASE
+#endif /* SPD_none */
+#endif
+
#define PLAT_POPLAR_NS_IMAGE_OFFSET 0x37000000
/* Page table and MMU setup constants */
diff --git a/plat/hisilicon/poplar/include/poplar_layout.h b/plat/hisilicon/poplar/include/poplar_layout.h
index 268c3a1..e0b5618 100644
--- a/plat/hisilicon/poplar/include/poplar_layout.h
+++ b/plat/hisilicon/poplar/include/poplar_layout.h
@@ -74,9 +74,9 @@
* "OFFSET" is an offset to the start of a region relative to the
* base of the "l-loader" TEXT section (also a multiple of page size).
*/
-#define LLOADER_TEXT_BASE 0x00001000 /* page aligned */
+#define LLOADER_TEXT_BASE 0x02001000 /* page aligned */
#define BL1_OFFSET 0x0000D000 /* page multiple */
-#define FIP_BASE 0x00040000
+#define FIP_BASE 0x02040000
#define BL1_RO_SIZE 0x00008000 /* page multiple */
#define BL1_RW_SIZE 0x00008000 /* page multiple */
diff --git a/plat/hisilicon/poplar/plat_storage.c b/plat/hisilicon/poplar/plat_storage.c
index 623a61b..ab94cba 100644
--- a/plat/hisilicon/poplar/plat_storage.c
+++ b/plat/hisilicon/poplar/plat_storage.c
@@ -43,6 +43,10 @@
.uuid = UUID_EL3_RUNTIME_FIRMWARE_BL31,
};
+static const io_uuid_spec_t bl32_uuid_spec = {
+ .uuid = UUID_SECURE_PAYLOAD_BL32,
+};
+
static const io_uuid_spec_t bl33_uuid_spec = {
.uuid = UUID_NON_TRUSTED_FIRMWARE_BL33,
};
@@ -69,6 +73,11 @@
(uintptr_t)&bl31_uuid_spec,
open_fip
},
+ [BL32_IMAGE_ID] = {
+ &fip_dev_handle,
+ (uintptr_t)&bl32_uuid_spec,
+ open_fip
+ },
[BL33_IMAGE_ID] = {
&fip_dev_handle,
(uintptr_t)&bl33_uuid_spec,
diff --git a/plat/hisilicon/poplar/platform.mk b/plat/hisilicon/poplar/platform.mk
index 28e0d1f..818e311 100644
--- a/plat/hisilicon/poplar/platform.mk
+++ b/plat/hisilicon/poplar/platform.mk
@@ -4,6 +4,17 @@
# SPDX-License-Identifier: BSD-3-Clause
#
+# On Poplar, the TSP can execute from TZC secure area in DRAM.
+POPLAR_TSP_RAM_LOCATION := dram
+ifeq (${POPLAR_TSP_RAM_LOCATION}, dram)
+ POPLAR_TSP_RAM_LOCATION_ID = POPLAR_DRAM_ID
+else ifeq (${HIKEY960_TSP_RAM_LOCATION}, sram)
+ POPLAR_TSP_RAM_LOCATION_ID := POPLAR_SRAM_ID
+else
+ $(error "Currently unsupported POPLAR_TSP_RAM_LOCATION value")
+endif
+$(eval $(call add_define,POPLAR_TSP_RAM_LOCATION_ID))
+
NEED_BL33 := yes
COLD_BOOT_SINGLE_CPU := 1