]> git.sur5r.net Git - u-boot/commitdiff
arm: mach-omap2: Move omap5/sec-fxns.c into sec-common.c
authorAndrew F. Davis <afd@ti.com>
Mon, 10 Jul 2017 19:45:49 +0000 (14:45 -0500)
committerTom Rini <trini@konsulko.com>
Sun, 23 Jul 2017 02:22:42 +0000 (22:22 -0400)
TEE loading and firewall setup are common to all omap2 devices, move
these function out of omap5 and into mach-omap2. This allows us
to use these functions from other omap class devices.

Signed-off-by: Andrew F. Davis <afd@ti.com>
arch/arm/mach-omap2/Kconfig
arch/arm/mach-omap2/omap5/Kconfig
arch/arm/mach-omap2/omap5/Makefile
arch/arm/mach-omap2/omap5/sec-fxns.c [deleted file]
arch/arm/mach-omap2/sec-common.c

index 683cdb92963dbab52b59ae3ba1620e25df396c27..013586edd97fbf98935f46e4b8bfed07e1c87d6f 100644 (file)
@@ -119,6 +119,32 @@ config TI_SECURE_DEVICE
          authenticated) and the code. See the doc/README.ti-secure
          file for further details.
 
+config TI_SECURE_EMIF_REGION_START
+       hex "Reserved EMIF region start address"
+       depends on TI_SECURE_DEVICE
+       default 0x0
+       help
+         Reserved EMIF region start address. Set to "0" to auto-select
+         to be at the end of the external memory region.
+
+config TI_SECURE_EMIF_TOTAL_REGION_SIZE
+       hex "Reserved EMIF region size"
+       depends on TI_SECURE_DEVICE
+       default 0x0
+       help
+         Total reserved EMIF region size. Default is 0, which means no reserved EMIF
+         region on secure devices.
+
+config TI_SECURE_EMIF_PROTECTED_REGION_SIZE
+       hex "Size of protected region within reserved EMIF region"
+       depends on TI_SECURE_DEVICE
+       default 0x0
+       help
+         This config option is used to specify the size of the portion of the total
+         reserved EMIF region set aside for secure OS needs that will  be protected
+         using hardware memory firewalls. This value must be smaller than the
+         TI_SECURE_EMIF_TOTAL_REGION_SIZE value.
+
 source "arch/arm/mach-omap2/omap3/Kconfig"
 
 source "arch/arm/mach-omap2/omap4/Kconfig"
index 08f45bc8688b430e6cc69520688466d38ed95926..30a9ff9c7b7e0eb966958f516a0beb6673693e9e 100644 (file)
@@ -39,32 +39,6 @@ endchoice
 config SYS_SOC
        default "omap5"
 
-config TI_SECURE_EMIF_REGION_START
-       hex "Reserved EMIF region start address"
-       depends on TI_SECURE_DEVICE
-       default 0x0
-       help
-         Reserved EMIF region start address. Set to "0" to auto-select
-         to be at the end of the external memory region.
-
-config TI_SECURE_EMIF_TOTAL_REGION_SIZE
-       hex "Reserved EMIF region size"
-       depends on TI_SECURE_DEVICE
-       default 0x0
-       help
-         Total reserved EMIF region size. Default is 0, which means no reserved EMIF
-         region on secure devices.
-
-config TI_SECURE_EMIF_PROTECTED_REGION_SIZE
-       hex "Size of protected region within reserved EMIF region"
-       depends on TI_SECURE_DEVICE
-       default 0x0
-       help
-         This config option is used to specify the size of the portion of the total
-         reserved EMIF region set aside for secure OS needs that will  be protected
-         using hardware memory firewalls. This value must be smaller than the
-         TI_SECURE_EMIF_TOTAL_REGION_SIZE value.
-
 config OMAP_PLATFORM_RESET_TIME_MAX_USEC
        int "Something"
        range 0  31219
index af17a3deab173aab9b67e0a764f53b3b5cba8ea0..a6a5d17ff63d242c63ba1ecfda038a7c068a0629 100644 (file)
@@ -14,5 +14,4 @@ obj-y += hw_data.o
 obj-y  += abb.o
 obj-y  += fdt.o
 obj-$(CONFIG_IODELAY_RECALIBRATION) += dra7xx_iodelay.o
-obj-$(CONFIG_TI_SECURE_DEVICE) += sec-fxns.o
 obj-$(CONFIG_DRA7XX) += sec_entry_cpu1.o
diff --git a/arch/arm/mach-omap2/omap5/sec-fxns.c b/arch/arm/mach-omap2/omap5/sec-fxns.c
deleted file mode 100644 (file)
index 7fab575..0000000
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- *
- * Security related functions for OMAP5 class devices
- *
- * (C) Copyright 2016
- * Texas Instruments, <www.ti.com>
- *
- * Daniel Allred <d-allred@ti.com>
- * Harinarayan Bhatta <harinarayan@ti.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <stdarg.h>
-
-#include <asm/arch/sys_proto.h>
-#include <asm/omap_common.h>
-#include <asm/omap_sec_common.h>
-#include <asm/spl.h>
-#include <spl.h>
-#include <asm/cache.h>
-#include <mapmem.h>
-#include <tee/optee.h>
-
-/* Index for signature PPA-based TI HAL APIs */
-#define PPA_HAL_SERVICES_START_INDEX        (0x200)
-#define PPA_SERV_HAL_TEE_LOAD_MASTER        (PPA_HAL_SERVICES_START_INDEX + 23)
-#define PPA_SERV_HAL_TEE_LOAD_SLAVE         (PPA_HAL_SERVICES_START_INDEX + 24)
-#define PPA_SERV_HAL_SETUP_SEC_RESVD_REGION (PPA_HAL_SERVICES_START_INDEX + 25)
-#define PPA_SERV_HAL_SETUP_EMIF_FW_REGION   (PPA_HAL_SERVICES_START_INDEX + 26)
-#define PPA_SERV_HAL_LOCK_EMIF_FW           (PPA_HAL_SERVICES_START_INDEX + 27)
-
-int tee_loaded = 0;
-
-/* Argument for PPA_SERV_HAL_TEE_LOAD_MASTER */
-struct ppa_tee_load_info {
-       u32 tee_sec_mem_start; /* Physical start address reserved for TEE */
-       u32 tee_sec_mem_size;  /* Size of the memory reserved for TEE */
-       u32 tee_cert_start;    /* Address where signed TEE binary is loaded */
-       u32 tee_cert_size;     /* Size of TEE certificate (signed binary) */
-       u32 tee_jump_addr;     /* Address to jump to start TEE execution */
-       u32 tee_arg0;          /* argument to TEE jump function, in r0 */
-};
-
-static u32 get_sec_mem_start(void)
-{
-       u32 sec_mem_start = CONFIG_TI_SECURE_EMIF_REGION_START;
-       u32 sec_mem_size = CONFIG_TI_SECURE_EMIF_TOTAL_REGION_SIZE;
-       /*
-        * Total reserved region is all contiguous with protected
-        * region coming first, followed by the non-secure region.
-        * If 0x0 start address is given, we simply put the reserved
-        * region at the end of the external DRAM.
-        */
-       if (sec_mem_start == 0)
-               sec_mem_start =
-                       (CONFIG_SYS_SDRAM_BASE +
-                       (omap_sdram_size() - sec_mem_size));
-       return sec_mem_start;
-}
-
-int secure_emif_firewall_setup(uint8_t region_num, uint32_t start_addr,
-                              uint32_t size, uint32_t access_perm,
-                              uint32_t initiator_perm)
-{
-       int result = 1;
-
-       /*
-        * Call PPA HAL API to do any other general firewall
-        * configuration for regions 1-6 of the EMIF firewall.
-        */
-       debug("%s: regionNum = %x, startAddr = %x, size = %x", __func__,
-             region_num, start_addr, size);
-
-       result = secure_rom_call(
-                       PPA_SERV_HAL_SETUP_EMIF_FW_REGION, 0, 0, 4,
-                       (start_addr & 0xFFFFFFF0) | (region_num & 0x0F),
-                       size, access_perm, initiator_perm);
-
-       if (result != 0) {
-               puts("Secure EMIF Firewall Setup failed!\n");
-               debug("Return Value = %x\n", result);
-       }
-
-       return result;
-}
-
-#if    (CONFIG_TI_SECURE_EMIF_TOTAL_REGION_SIZE <  \
-       CONFIG_TI_SECURE_EMIF_PROTECTED_REGION_SIZE)
-#error "TI Secure EMIF: Protected size cannot be larger than total size."
-#endif
-int secure_emif_reserve(void)
-{
-       int result = 1;
-       u32 sec_mem_start = get_sec_mem_start();
-       u32 sec_prot_size = CONFIG_TI_SECURE_EMIF_PROTECTED_REGION_SIZE;
-
-       /* If there is no protected region, there is no reservation to make */
-       if (sec_prot_size == 0)
-               return 0;
-
-       /*
-        * Call PPA HAL API to reserve a chunk of EMIF SDRAM
-        * for secure world use. This region should be carved out
-        * from use by any public code. EMIF firewall region 7
-        * will be used to protect this block of memory.
-        */
-       result = secure_rom_call(
-                       PPA_SERV_HAL_SETUP_SEC_RESVD_REGION,
-                       0, 0, 2, sec_mem_start, sec_prot_size);
-
-       if (result != 0) {
-               puts("SDRAM Firewall: Secure memory reservation failed!\n");
-               debug("Return Value = %x\n", result);
-       }
-
-       return result;
-}
-
-int secure_emif_firewall_lock(void)
-{
-       int result = 1;
-
-       /*
-        * Call PPA HAL API to lock the EMIF firewall configurations.
-        * After this API is called, none of the PPA HAL APIs for
-        * configuring the EMIF firewalls will be usable again (that
-        * is, calls to those APIs will return failure and have no
-        * effect).
-        */
-
-       result = secure_rom_call(
-                       PPA_SERV_HAL_LOCK_EMIF_FW,
-                       0, 0, 0);
-
-       if (result != 0) {
-               puts("Secure EMIF Firewall Lock failed!\n");
-               debug("Return Value = %x\n", result);
-       }
-
-       return result;
-}
-
-static struct ppa_tee_load_info tee_info __aligned(ARCH_DMA_MINALIGN);
-
-int secure_tee_install(u32 addr)
-{
-       struct optee_header *hdr;
-       void *loadptr;
-       u32 tee_file_size;
-       u32 sec_mem_start = get_sec_mem_start();
-       const u32 size = CONFIG_TI_SECURE_EMIF_PROTECTED_REGION_SIZE;
-       u32 *smc_cpu1_params;
-       u32 ret;
-
-       /* If there is no protected region, there is no place to put the TEE */
-       if (size == 0) {
-               printf("Error loading TEE, no protected memory region available\n");
-               return -ENOBUFS;
-       }
-
-       hdr = (struct optee_header *)map_sysmem(addr, sizeof(struct optee_header));
-       /* 280 bytes = size of signature */
-       tee_file_size = hdr->init_size + hdr->paged_size +
-                       sizeof(struct optee_header) + 280;
-
-       if ((hdr->magic != OPTEE_MAGIC) ||
-           (hdr->version != OPTEE_VERSION) ||
-           (hdr->init_load_addr_hi != 0) ||
-           (hdr->init_load_addr_lo < (sec_mem_start + sizeof(struct optee_header))) ||
-           (tee_file_size > size) ||
-           ((hdr->init_load_addr_lo + tee_file_size - 1) >
-            (sec_mem_start + size - 1))) {
-               printf("Error in TEE header. Check load address and sizes\n");
-               unmap_sysmem(hdr);
-               return CMD_RET_FAILURE;
-       }
-
-       tee_info.tee_sec_mem_start = sec_mem_start;
-       tee_info.tee_sec_mem_size = size;
-       tee_info.tee_jump_addr = hdr->init_load_addr_lo;
-       tee_info.tee_cert_start = addr;
-       tee_info.tee_cert_size = tee_file_size;
-       tee_info.tee_arg0 = hdr->init_size + tee_info.tee_jump_addr;
-       unmap_sysmem(hdr);
-       loadptr = map_sysmem(addr, tee_file_size);
-
-       debug("tee_info.tee_sec_mem_start= %08X\n", tee_info.tee_sec_mem_start);
-       debug("tee_info.tee_sec_mem_size = %08X\n", tee_info.tee_sec_mem_size);
-       debug("tee_info.tee_jump_addr = %08X\n", tee_info.tee_jump_addr);
-       debug("tee_info.tee_cert_start = %08X\n", tee_info.tee_cert_start);
-       debug("tee_info.tee_cert_size = %08X\n", tee_info.tee_cert_size);
-       debug("tee_info.tee_arg0 = %08X\n", tee_info.tee_arg0);
-       debug("tee_file_size = %d\n", tee_file_size);
-
-#if !defined(CONFIG_SYS_DCACHE_OFF)
-       flush_dcache_range(
-               rounddown((u32)loadptr, ARCH_DMA_MINALIGN),
-               roundup((u32)loadptr + tee_file_size, ARCH_DMA_MINALIGN));
-
-       flush_dcache_range((u32)&tee_info, (u32)&tee_info +
-                       roundup(sizeof(tee_info), ARCH_DMA_MINALIGN));
-#endif
-       unmap_sysmem(loadptr);
-
-       ret = secure_rom_call(PPA_SERV_HAL_TEE_LOAD_MASTER, 0, 0, 1, &tee_info);
-       if (ret) {
-               printf("TEE_LOAD_MASTER Failed\n");
-               return ret;
-       }
-       printf("TEE_LOAD_MASTER Done\n");
-
-       if (!is_dra72x()) {
-               /* Reuse the tee_info buffer for SMC params */
-               smc_cpu1_params = (u32 *)&tee_info;
-               smc_cpu1_params[0] = 0;
-#if !defined(CONFIG_SYS_DCACHE_OFF)
-               flush_dcache_range((u32)smc_cpu1_params, (u32)smc_cpu1_params +
-                               roundup(sizeof(u32), ARCH_DMA_MINALIGN));
-#endif
-               ret = omap_smc_sec_cpu1(PPA_SERV_HAL_TEE_LOAD_SLAVE, 0, 0,
-                               smc_cpu1_params);
-               if (ret) {
-                       printf("TEE_LOAD_SLAVE Failed\n");
-                       return ret;
-               }
-               printf("TEE_LOAD_SLAVE Done\n");
-       }
-
-       tee_loaded = 1;
-
-       return 0;
-}
index ec1ffa556ad1c0c3022198104a07c738c8b47884..f230c9ea4e316f10bdd0bcdfc4a484c74ac6e197 100644 (file)
@@ -2,11 +2,13 @@
  *
  * Common security related functions for OMAP devices
  *
- * (C) Copyright 2016
+ * (C) Copyright 2016-2017
  * Texas Instruments, <www.ti.com>
  *
  * Daniel Allred <d-allred@ti.com>
  * Andreas Dannenberg <dannenberg@ti.com>
+ * Harinarayan Bhatta <harinarayan@ti.com>
+ * Andrew F. Davis <afd@ti.com>
  *
  * SPDX-License-Identifier: GPL-2.0+
  */
 #include <stdarg.h>
 
 #include <asm/arch/sys_proto.h>
+#include <asm/cache.h>
 #include <asm/omap_common.h>
 #include <asm/omap_sec_common.h>
 #include <asm/spl.h>
+#include <asm/ti-common/sys_proto.h>
+#include <mapmem.h>
 #include <spl.h>
+#include <tee/optee.h>
 
 /* Index for signature verify ROM API */
 #ifdef CONFIG_AM33XX
 #define API_HAL_KM_VERIFYCERTIFICATESIGNATURE_INDEX    (0x0000000E)
 #endif
 
+/* Index for signature PPA-based TI HAL APIs */
+#define PPA_HAL_SERVICES_START_INDEX        (0x200)
+#define PPA_SERV_HAL_TEE_LOAD_MASTER        (PPA_HAL_SERVICES_START_INDEX + 23)
+#define PPA_SERV_HAL_TEE_LOAD_SLAVE         (PPA_HAL_SERVICES_START_INDEX + 24)
+#define PPA_SERV_HAL_SETUP_SEC_RESVD_REGION (PPA_HAL_SERVICES_START_INDEX + 25)
+#define PPA_SERV_HAL_SETUP_EMIF_FW_REGION   (PPA_HAL_SERVICES_START_INDEX + 26)
+#define PPA_SERV_HAL_LOCK_EMIF_FW           (PPA_HAL_SERVICES_START_INDEX + 27)
+
+int tee_loaded = 0;
+
+/* Argument for PPA_SERV_HAL_TEE_LOAD_MASTER */
+struct ppa_tee_load_info {
+       u32 tee_sec_mem_start; /* Physical start address reserved for TEE */
+       u32 tee_sec_mem_size;  /* Size of the memory reserved for TEE */
+       u32 tee_cert_start;    /* Address where signed TEE binary is loaded */
+       u32 tee_cert_size;     /* Size of TEE certificate (signed binary) */
+       u32 tee_jump_addr;     /* Address to jump to start TEE execution */
+       u32 tee_arg0;          /* argument to TEE jump function, in r0 */
+};
+
 static uint32_t secure_rom_call_args[5] __aligned(ARCH_DMA_MINALIGN);
 
 u32 secure_rom_call(u32 service, u32 proc_id, u32 flag, ...)
@@ -149,3 +175,201 @@ auth_exit:
 
        return result;
 }
+
+static u32 get_sec_mem_start(void)
+{
+       u32 sec_mem_start = CONFIG_TI_SECURE_EMIF_REGION_START;
+       u32 sec_mem_size = CONFIG_TI_SECURE_EMIF_TOTAL_REGION_SIZE;
+       /*
+        * Total reserved region is all contiguous with protected
+        * region coming first, followed by the non-secure region.
+        * If 0x0 start address is given, we simply put the reserved
+        * region at the end of the external DRAM.
+        */
+       if (sec_mem_start == 0)
+               sec_mem_start =
+                       (CONFIG_SYS_SDRAM_BASE + (
+#if defined(CONFIG_OMAP54XX)
+                       omap_sdram_size()
+#else
+                       get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+                                    CONFIG_MAX_RAM_BANK_SIZE)
+#endif
+                       - sec_mem_size));
+       return sec_mem_start;
+}
+
+int secure_emif_firewall_setup(uint8_t region_num, uint32_t start_addr,
+                              uint32_t size, uint32_t access_perm,
+                              uint32_t initiator_perm)
+{
+       int result = 1;
+
+       /*
+        * Call PPA HAL API to do any other general firewall
+        * configuration for regions 1-6 of the EMIF firewall.
+        */
+       debug("%s: regionNum = %x, startAddr = %x, size = %x", __func__,
+             region_num, start_addr, size);
+
+       result = secure_rom_call(
+                       PPA_SERV_HAL_SETUP_EMIF_FW_REGION, 0, 0, 4,
+                       (start_addr & 0xFFFFFFF0) | (region_num & 0x0F),
+                       size, access_perm, initiator_perm);
+
+       if (result != 0) {
+               puts("Secure EMIF Firewall Setup failed!\n");
+               debug("Return Value = %x\n", result);
+       }
+
+       return result;
+}
+
+#if    (CONFIG_TI_SECURE_EMIF_TOTAL_REGION_SIZE <  \
+       CONFIG_TI_SECURE_EMIF_PROTECTED_REGION_SIZE)
+#error "TI Secure EMIF: Protected size cannot be larger than total size."
+#endif
+int secure_emif_reserve(void)
+{
+       int result = 1;
+       u32 sec_mem_start = get_sec_mem_start();
+       u32 sec_prot_size = CONFIG_TI_SECURE_EMIF_PROTECTED_REGION_SIZE;
+
+       /* If there is no protected region, there is no reservation to make */
+       if (sec_prot_size == 0)
+               return 0;
+
+       /*
+        * Call PPA HAL API to reserve a chunk of EMIF SDRAM
+        * for secure world use. This region should be carved out
+        * from use by any public code. EMIF firewall region 7
+        * will be used to protect this block of memory.
+        */
+       result = secure_rom_call(
+                       PPA_SERV_HAL_SETUP_SEC_RESVD_REGION,
+                       0, 0, 2, sec_mem_start, sec_prot_size);
+
+       if (result != 0) {
+               puts("SDRAM Firewall: Secure memory reservation failed!\n");
+               debug("Return Value = %x\n", result);
+       }
+
+       return result;
+}
+
+int secure_emif_firewall_lock(void)
+{
+       int result = 1;
+
+       /*
+        * Call PPA HAL API to lock the EMIF firewall configurations.
+        * After this API is called, none of the PPA HAL APIs for
+        * configuring the EMIF firewalls will be usable again (that
+        * is, calls to those APIs will return failure and have no
+        * effect).
+        */
+
+       result = secure_rom_call(
+                       PPA_SERV_HAL_LOCK_EMIF_FW,
+                       0, 0, 0);
+
+       if (result != 0) {
+               puts("Secure EMIF Firewall Lock failed!\n");
+               debug("Return Value = %x\n", result);
+       }
+
+       return result;
+}
+
+static struct ppa_tee_load_info tee_info __aligned(ARCH_DMA_MINALIGN);
+
+int secure_tee_install(u32 addr)
+{
+       struct optee_header *hdr;
+       void *loadptr;
+       u32 tee_file_size;
+       u32 sec_mem_start = get_sec_mem_start();
+       const u32 size = CONFIG_TI_SECURE_EMIF_PROTECTED_REGION_SIZE;
+       u32 ret;
+
+       /* If there is no protected region, there is no place to put the TEE */
+       if (size == 0) {
+               printf("Error loading TEE, no protected memory region available\n");
+               return -ENOBUFS;
+       }
+
+       hdr = (struct optee_header *)map_sysmem(addr, sizeof(struct optee_header));
+       /* 280 bytes = size of signature */
+       tee_file_size = hdr->init_size + hdr->paged_size +
+                       sizeof(struct optee_header) + 280;
+
+       if ((hdr->magic != OPTEE_MAGIC) ||
+           (hdr->version != OPTEE_VERSION) ||
+           (hdr->init_load_addr_hi != 0) ||
+           (hdr->init_load_addr_lo < (sec_mem_start + sizeof(struct optee_header))) ||
+           (tee_file_size > size) ||
+           ((hdr->init_load_addr_lo + tee_file_size - 1) >
+            (sec_mem_start + size - 1))) {
+               printf("Error in TEE header. Check load address and sizes\n");
+               unmap_sysmem(hdr);
+               return CMD_RET_FAILURE;
+       }
+
+       tee_info.tee_sec_mem_start = sec_mem_start;
+       tee_info.tee_sec_mem_size = size;
+       tee_info.tee_jump_addr = hdr->init_load_addr_lo;
+       tee_info.tee_cert_start = addr;
+       tee_info.tee_cert_size = tee_file_size;
+       tee_info.tee_arg0 = hdr->init_size + tee_info.tee_jump_addr;
+       unmap_sysmem(hdr);
+       loadptr = map_sysmem(addr, tee_file_size);
+
+       debug("tee_info.tee_sec_mem_start= %08X\n", tee_info.tee_sec_mem_start);
+       debug("tee_info.tee_sec_mem_size = %08X\n", tee_info.tee_sec_mem_size);
+       debug("tee_info.tee_jump_addr = %08X\n", tee_info.tee_jump_addr);
+       debug("tee_info.tee_cert_start = %08X\n", tee_info.tee_cert_start);
+       debug("tee_info.tee_cert_size = %08X\n", tee_info.tee_cert_size);
+       debug("tee_info.tee_arg0 = %08X\n", tee_info.tee_arg0);
+       debug("tee_file_size = %d\n", tee_file_size);
+
+#if !defined(CONFIG_SYS_DCACHE_OFF)
+       flush_dcache_range(
+               rounddown((u32)loadptr, ARCH_DMA_MINALIGN),
+               roundup((u32)loadptr + tee_file_size, ARCH_DMA_MINALIGN));
+
+       flush_dcache_range((u32)&tee_info, (u32)&tee_info +
+                       roundup(sizeof(tee_info), ARCH_DMA_MINALIGN));
+#endif
+       unmap_sysmem(loadptr);
+
+       ret = secure_rom_call(PPA_SERV_HAL_TEE_LOAD_MASTER, 0, 0, 1, &tee_info);
+       if (ret) {
+               printf("TEE_LOAD_MASTER Failed\n");
+               return ret;
+       }
+       printf("TEE_LOAD_MASTER Done\n");
+
+#if defined(CONFIG_OMAP54XX)
+       if (!is_dra72x()) {
+               u32 *smc_cpu1_params;
+               /* Reuse the tee_info buffer for SMC params */
+               smc_cpu1_params = (u32 *)&tee_info;
+               smc_cpu1_params[0] = 0;
+#if !defined(CONFIG_SYS_DCACHE_OFF)
+               flush_dcache_range((u32)smc_cpu1_params, (u32)smc_cpu1_params +
+                               roundup(sizeof(u32), ARCH_DMA_MINALIGN));
+#endif
+               ret = omap_smc_sec_cpu1(PPA_SERV_HAL_TEE_LOAD_SLAVE, 0, 0,
+                               smc_cpu1_params);
+               if (ret) {
+                       printf("TEE_LOAD_SLAVE Failed\n");
+                       return ret;
+               }
+               printf("TEE_LOAD_SLAVE Done\n");
+       }
+#endif
+
+       tee_loaded = 1;
+
+       return 0;
+}