Merge pull request #1246 from sandrine-bailleux-arm/topics/sb/fix-cnp-doc
Fix documentation for CnP bit
diff --git a/docs/plat/hikey.rst b/docs/plat/hikey.rst
index 1c48104..99259f3 100644
--- a/docs/plat/hikey.rst
+++ b/docs/plat/hikey.rst
@@ -65,7 +65,7 @@
BUILDFLAGS=-DSERIAL_BASE=0xF8015000
- If your hikey hardware is built by LeMarker, nothing to do.
+ If your hikey hardware is built by LeMaker, nothing to do.
- Build it as debug mode. Create your own build script file or you could refer to **build\_uefi.sh** in l-loader git repository.
diff --git a/plat/hisilicon/hikey/hikey_bl2_setup.c b/plat/hisilicon/hikey/hikey_bl2_setup.c
index 86c205d..3f5e486 100644
--- a/plat/hisilicon/hikey/hikey_bl2_setup.c
+++ b/plat/hisilicon/hikey/hikey_bl2_setup.c
@@ -489,4 +489,5 @@
void bl2_platform_setup(void)
{
+ hikey_security_setup();
}
diff --git a/plat/hisilicon/hikey/hikey_private.h b/plat/hisilicon/hikey/hikey_private.h
index a7709b2..da98734 100644
--- a/plat/hisilicon/hikey/hikey_private.h
+++ b/plat/hisilicon/hikey/hikey_private.h
@@ -44,6 +44,7 @@
int hikey_flash(const char *arg);
int hikey_oem(const char *arg);
int hikey_reboot(const char *arg);
+void hikey_security_setup(void);
const char *hikey_init_serialno(void);
int hikey_read_serialno(struct random_serial_num *serialno);
diff --git a/plat/hisilicon/hikey/hikey_security.c b/plat/hisilicon/hikey/hikey_security.c
new file mode 100644
index 0000000..863ad2b
--- /dev/null
+++ b/plat/hisilicon/hikey/hikey_security.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <debug.h>
+#include <platform_def.h>
+#include <stdint.h>
+#include <strings.h>
+#include <utils_def.h>
+#include "hikey_private.h"
+
+#define PORTNUM_MAX 5
+
+#define MDDRC_SECURITY_BASE 0xF7121000
+
+struct int_en_reg {
+ unsigned in_en:1;
+ unsigned reserved:31;
+};
+
+struct rgn_map_reg {
+ unsigned rgn_base_addr:24;
+ unsigned rgn_size:6;
+ unsigned reserved:1;
+ unsigned rgn_en:1;
+};
+
+struct rgn_attr_reg {
+ unsigned sp:4;
+ unsigned security_inv:1;
+ unsigned reserved_0:3;
+ unsigned mid_en:1;
+ unsigned mid_inv:1;
+ unsigned reserved_1:6;
+ unsigned rgn_en:1;
+ unsigned subrgn_disable:16;
+};
+
+static volatile struct int_en_reg *get_int_en_reg(uint32_t base)
+{
+ uint64_t addr = base + 0x20;
+ return (struct int_en_reg *)addr;
+}
+
+static volatile struct rgn_map_reg *get_rgn_map_reg(uint32_t base, int region, int port)
+{
+ uint64_t addr = base + 0x100 + 0x10 * region + 0x400 * (uint64_t)port;
+ return (struct rgn_map_reg *)addr;
+}
+
+static volatile struct rgn_attr_reg *get_rgn_attr_reg(uint32_t base, int region,
+ int port)
+{
+ uint64_t addr = base + 0x104 + 0x10 * region + 0x400 * (uint64_t)port;
+ return (struct rgn_attr_reg *)addr;
+}
+
+/*
+ * Configure secure memory region
+ * region_size must be a power of 2 and at least 64KB
+ * region_base must be region_size aligned
+ */
+static void sec_protect(uint32_t region_base, uint32_t region_size,
+ int region)
+{
+ volatile struct int_en_reg *int_en;
+ volatile struct rgn_map_reg *rgn_map;
+ volatile struct rgn_attr_reg *rgn_attr;
+ uint32_t i = 0;
+
+ /* ensure secure region number is between 1-15 */
+ assert(region > 0 && region < 16);
+ /* ensure secure region size is a power of 2 >= 64KB */
+ assert(IS_POWER_OF_TWO(region_size) && region_size >= 0x10000);
+ /* ensure secure region address is aligned to region size */
+ assert(!(region_base & (region_size - 1)));
+
+ INFO("BL2: TrustZone: protecting %u bytes of memory at 0x%x\n", region_size,
+ region_base);
+
+ int_en = get_int_en_reg(MDDRC_SECURITY_BASE);
+ int_en->in_en = 0x1;
+
+ for (i = 0; i < PORTNUM_MAX; i++) {
+ rgn_map = get_rgn_map_reg(MDDRC_SECURITY_BASE, region, i);
+ rgn_attr = get_rgn_attr_reg(MDDRC_SECURITY_BASE, region, i);
+ rgn_map->rgn_base_addr = region_base >> 16;
+ rgn_attr->subrgn_disable = 0x0;
+ rgn_attr->sp = (i == 3) ? 0xC : 0x0;
+ rgn_map->rgn_size = __builtin_ffs(region_size) - 2;
+ rgn_map->rgn_en = 0x1;
+ }
+}
+
+/*******************************************************************************
+ * Initialize the secure environment.
+ ******************************************************************************/
+void hikey_security_setup(void)
+{
+ sec_protect(DDR_SEC_BASE, DDR_SEC_SIZE, 1);
+ sec_protect(DDR_SDP_BASE, DDR_SDP_SIZE, 2);
+}
diff --git a/plat/hisilicon/hikey/platform.mk b/plat/hisilicon/hikey/platform.mk
index 524fa6a..c8a2992 100644
--- a/plat/hisilicon/hikey/platform.mk
+++ b/plat/hisilicon/hikey/platform.mk
@@ -78,6 +78,7 @@
drivers/synopsys/emmc/dw_mmc.c \
plat/hisilicon/hikey/aarch64/hikey_helpers.S \
plat/hisilicon/hikey/hikey_bl2_setup.c \
+ plat/hisilicon/hikey/hikey_security.c \
plat/hisilicon/hikey/hikey_ddr.c \
plat/hisilicon/hikey/hikey_io_storage.c \
plat/hisilicon/hikey/hisi_dvfs.c \