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authorAditya Angadi <aditya.angadi@arm.com>2020-11-19 17:32:41 +0530
committerAditya Angadi <aditya.angadi@arm.com>2020-12-09 10:40:26 +0000
commit6bb9f7a1abae75f120dff90d9e4132a64ba88811 (patch)
treeb7f0e45f3d14d28c63db99200ad42f77beb5e4a6 /plat/arm
parent1b19ad68479a439623b24b3a7e9cab7251d33cd1 (diff)
downloadtrusted-firmware-a-6bb9f7a1abae75f120dff90d9e4132a64ba88811.tar.gz
plat/arm/sgi: adapt to changes in memory map
Upcoming RD platforms will have an updated memory map for the various pheripherals on the system. So, for the newer platforms, handle the memory mapping and other platform specific functionality separately from the existing platforms. Change-Id: Iab1355a4c8ea1f6db4f79fcdd6eed907903b6a18 Signed-off-by: Aditya Angadi <aditya.angadi@arm.com>
Diffstat (limited to 'plat/arm')
-rw-r--r--plat/arm/css/sgi/sgi_plat_v2.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/plat/arm/css/sgi/sgi_plat_v2.c b/plat/arm/css/sgi/sgi_plat_v2.c
new file mode 100644
index 0000000000..a770255fc6
--- /dev/null
+++ b/plat/arm/css/sgi/sgi_plat_v2.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <platform_def.h>
+
+#include <plat/arm/common/plat_arm.h>
+#include <plat/common/platform.h>
+#include <drivers/arm/sbsa.h>
+
+/*
+ * Table of regions for different BL stages to map using the MMU.
+ */
+#if IMAGE_BL1
+const mmap_region_t plat_arm_mmap[] = {
+ ARM_MAP_SHARED_RAM,
+ SGI_MAP_FLASH0_RO,
+ CSS_SGI_MAP_DEVICE,
+ SOC_PLATFORM_PERIPH_MAP_DEVICE,
+ SOC_SYSTEM_PERIPH_MAP_DEVICE,
+ {0}
+};
+#endif
+
+#if IMAGE_BL2
+const mmap_region_t plat_arm_mmap[] = {
+ ARM_MAP_SHARED_RAM,
+ SGI_MAP_FLASH0_RO,
+#ifdef PLAT_ARM_MEM_PROT_ADDR
+ ARM_V2M_MAP_MEM_PROTECT,
+#endif
+ CSS_SGI_MAP_DEVICE,
+ SOC_MEMCNTRL_MAP_DEVICE,
+ SOC_PLATFORM_PERIPH_MAP_DEVICE,
+ SOC_SYSTEM_PERIPH_MAP_DEVICE,
+ ARM_MAP_NS_DRAM1,
+#if ARM_BL31_IN_DRAM
+ ARM_MAP_BL31_SEC_DRAM,
+#endif
+#if TRUSTED_BOARD_BOOT && !BL2_AT_EL3
+ ARM_MAP_BL1_RW,
+#endif
+ {0}
+};
+#endif
+
+#if IMAGE_BL31
+const mmap_region_t plat_arm_mmap[] = {
+ ARM_MAP_SHARED_RAM,
+#ifdef PLAT_ARM_MEM_PROT_ADDR
+ ARM_V2M_MAP_MEM_PROTECT,
+#endif
+ CSS_SGI_MAP_DEVICE,
+ SOC_PLATFORM_PERIPH_MAP_DEVICE,
+ SOC_SYSTEM_PERIPH_MAP_DEVICE,
+ {0}
+};
+
+#endif
+
+ARM_CASSERT_MMAP
+
+#if TRUSTED_BOARD_BOOT
+int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size)
+{
+ assert(heap_addr != NULL);
+ assert(heap_size != NULL);
+
+ return arm_get_mbedtls_heap(heap_addr, heap_size);
+}
+#endif
+
+void plat_arm_secure_wdt_start(void)
+{
+ sbsa_wdog_start(SBSA_SECURE_WDOG_BASE, SBSA_SECURE_WDOG_TIMEOUT);
+}
+
+void plat_arm_secure_wdt_stop(void)
+{
+ sbsa_wdog_stop(SBSA_SECURE_WDOG_BASE);
+}