feat(neoverse-rd): enable RESET_TO_BL31 for RD-V3
Update addresses for BL31, BL33 and NT_FW_CONFIG. Also add the PAS
entries to setup GPT tables in BL31.
Signed-off-by: Vivek Gautam <vivek.gautam@arm.com>
Signed-off-by: Rakshit Goyal <rakshit.goyal@arm.com>
Change-Id: I8947660bb96fdf2f178e560b387e4bc93bf68abf
diff --git a/plat/arm/board/neoverse_rd/common/include/nrd3/nrd_plat_arm_def3.h b/plat/arm/board/neoverse_rd/common/include/nrd3/nrd_plat_arm_def3.h
index d69e99f..8d6d1cb 100644
--- a/plat/arm/board/neoverse_rd/common/include/nrd3/nrd_plat_arm_def3.h
+++ b/plat/arm/board/neoverse_rd/common/include/nrd3/nrd_plat_arm_def3.h
@@ -442,7 +442,7 @@
* SRAM layout
******************************************************************************/
-/*
+/* if !RESET_TO_BL31
* Trusted SRAM
* 0x00100000 +--------------+
* | L0 GPT |
@@ -460,6 +460,26 @@
* 0x00019000 +--------------+
* | BL1 (ro) |
* 0x00000000 +--------------+
+ *
+ * else
+ *
+ * Trusted SRAM
+ * 0x00100000 +--------------+
+ * | L0 GPT |
+ * 0x000E0000 +--------------
+ * | | side-loaded +----------------+
+ * | | <<<<<<<<<<<<< | |
+ * | | <<<<<<<<<<<<< | BL31 NOBITS |
+ * | | <<<<<<<<<<<<< | |
+ * | | <<<<<<<<<<<<< |----------------|
+ * | | <<<<<<<<<<<<< | BL31 PROGBITS |
+ * 0x00063000 | | +----------------+
+ * 0x0001A000 +--------------+
+ * | Shared |
+ * 0x00019000 +--------------+
+ * | BL1 (ro) |
+ * 0x00000000 +--------------+
+ * endif
*/
/*******************************************************************************
@@ -531,7 +551,11 @@
* ARM_FW_CONFIG + ARM_BL2_MEM_DESC memory
*/
#define ARM_FW_CONFIGS_SIZE (PAGE_SIZE * 2)
+#if RESET_TO_BL31
+#define ARM_FW_CONFIGS_LIMIT (ARM_BL_RAM_BASE)
+#else
#define ARM_FW_CONFIGS_LIMIT (ARM_BL_RAM_BASE + ARM_FW_CONFIGS_SIZE)
+#endif
/*******************************************************************************
* BL1 RW specifics
@@ -556,9 +580,13 @@
******************************************************************************/
/* Keep BL31 below BL2 in the Trusted SRAM.*/
+#if RESET_TO_BL31
+#define BL31_BASE (0x63000)
+#else
#define BL31_BASE ((ARM_BL_RAM_BASE + \
ARM_BL_RAM_SIZE) - \
PLAT_ARM_MAX_BL31_SIZE)
+#endif
#define BL31_PROGBITS_LIMIT BL2_BASE
#define BL31_LIMIT (ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)
diff --git a/plat/arm/board/neoverse_rd/platform/rdv3/platform.mk b/plat/arm/board/neoverse_rd/platform/rdv3/platform.mk
index 98029bb..f37d903 100644
--- a/plat/arm/board/neoverse_rd/platform/rdv3/platform.mk
+++ b/plat/arm/board/neoverse_rd/platform/rdv3/platform.mk
@@ -24,6 +24,24 @@
# Misc options
override CTX_INCLUDE_AARCH32_REGS := 0
+ifeq (${PLAT_RESET_TO_BL31}, 1)
+# Support for BL31 boot flow
+override RESET_TO_BL31 := 1
+
+# arm_common.mk sets ENABLE_PIE=1, but Makefile blocks PIE for RME
+override ENABLE_PIE := 0
+
+# Non Trusted Firmware parameters
+override ARM_PRELOADED_DTB_BASE := 0xF3000000
+override ARM_LINUX_KERNEL_AS_BL33 := 1
+override PRELOADED_BL33_BASE := 0xE0000000
+
+# These are internal build flags but as of now RESET_TO_BL31 won't work without defining them
+override NEED_BL1 := no
+override NEED_BL2 := no
+override NEED_BL32 := no
+endif
+
# RD-V3 platform uses GIC-700 which is based on GICv4.1
GIC_ENABLE_V4_EXTN := 1
@@ -86,6 +104,10 @@
${RDV3_BASE}/rdv3_bl2_measured_boot.c
endif
+ifeq (${PLAT_RESET_TO_BL31}, 1)
+BL31_SOURCES += ${RDV3_BASE}/rdv3_security.c
+endif
+
BL31_SOURCES += ${NRD_CPU_SOURCES} \
${MBEDTLS_SOURCES} \
${RSE_COMMS_SOURCES} \
diff --git a/plat/arm/board/neoverse_rd/platform/rdv3/rdv3_bl31_setup.c b/plat/arm/board/neoverse_rd/platform/rdv3/rdv3_bl31_setup.c
index 21675f6..a5d687e 100644
--- a/plat/arm/board/neoverse_rd/platform/rdv3/rdv3_bl31_setup.c
+++ b/plat/arm/board/neoverse_rd/platform/rdv3/rdv3_bl31_setup.c
@@ -130,3 +130,92 @@
WARN("Failed initializing AP-RSE comms.\n");
}
}
+
+#if RESET_TO_BL31
+/*
+ * The GPT library might modify the gpt regions structure to optimize
+ * the layout, so the array cannot be constant.
+ */
+static pas_region_t pas_regions[] = {
+ NRD_PAS_SHARED_SRAM,
+ NRD_PAS_SYSTEM_NCI,
+ NRD_PAS_DEBUG_NIC,
+ NRD_PAS_NS_UART,
+ NRD_PAS_REALM_UART,
+ NRD_PAS_AP_NS_WDOG,
+ NRD_PAS_AP_ROOT_WDOG,
+ NRD_PAS_AP_SECURE_WDOG,
+ NRD_PAS_SECURE_SRAM_ERB_AP,
+ NRD_PAS_NS_SRAM_ERB_AP,
+ NRD_PAS_ROOT_SRAM_ERB_AP,
+ NRD_PAS_REALM_SRAM_ERB_AP,
+ NRD_PAS_SECURE_SRAM_ERB_SCP,
+ NRD_PAS_NS_SRAM_ERB_SCP,
+ NRD_PAS_ROOT_SRAM_ERB_SCP,
+ NRD_PAS_REALM_SRAM_ERB_SCP,
+ NRD_PAS_SECURE_SRAM_ERB_MCP,
+ NRD_PAS_NS_SRAM_ERB_MCP,
+ NRD_PAS_ROOT_SRAM_ERB_MCP,
+ NRD_PAS_REALM_SRAM_ERB_MCP,
+ NRD_PAS_SECURE_SRAM_ERB_RSE,
+ NRD_PAS_NS_SRAM_ERB_RSE,
+ NRD_PAS_ROOT_SRAM_ERB_RSE,
+ NRD_PAS_REALM_SRAM_ERB_RSE,
+ NRD_PAS_RSE_SECURE_SRAM_ERB_RSM,
+ NRD_PAS_RSE_NS_SRAM_ERB_RSM,
+ NRD_PAS_SCP_SECURE_SRAM_ERB_RSM,
+ NRD_PAS_SCP_NS_SRAM_ERB_RSM,
+ NRD_PAS_MCP_SECURE_SRAM_ERB_RSM,
+ NRD_PAS_MCP_NS_SRAM_ERB_RSM,
+ NRD_PAS_AP_SCP_ROOT_MHU,
+ NRD_PAS_AP_MCP_NS_MHU,
+ NRD_PAS_AP_MCP_SECURE_MHU,
+ NRD_PAS_AP_MCP_ROOT_MHU,
+ NRD_PAS_AP_RSE_NS_MHU,
+ NRD_PAS_AP_RSE_SECURE_MHU,
+ NRD_PAS_AP_RSE_ROOT_MHU,
+ NRD_PAS_AP_RSE_REALM_MHU,
+ NRD_PAS_SCP_MCP_RSE_CROSS_CHIP_MHU,
+ NRD_PAS_SYNCNT_MSTUPDTVAL_ADDR,
+ NRD_PAS_STM_SYSTEM_ITS,
+ NRD_PAS_SCP_MCP_RSE_SHARED_SRAM,
+ NRD_PAS_GIC,
+ NRD_PAS_NS_DRAM,
+ NRD_PAS_RMM,
+ NRD_PAS_L1GPT,
+ NRD_PAS_CMN,
+ NRD_PAS_LCP_PERIPHERAL,
+ NRD_PAS_DDR_IO,
+ NRD_PAS_SMMU_NCI_IO,
+ NRD_PAS_DRAM2_CHIP0,
+#if NRD_CHIP_COUNT > 1
+ NRD_PAS_DRAM1_CHIP1,
+ NRD_PAS_DRAM2_CHIP1,
+#endif
+#if NRD_CHIP_COUNT > 2
+ NRD_PAS_DRAM1_CHIP2,
+ NRD_PAS_DRAM2_CHIP2,
+#endif
+#if NRD_CHIP_COUNT > 3
+ NRD_PAS_DRAM1_CHIP3,
+ NRD_PAS_DRAM2_CHIP3
+#endif
+};
+
+static const arm_gpt_info_t arm_gpt_info = {
+ .pas_region_base = pas_regions,
+ .pas_region_count = (unsigned int)ARRAY_SIZE(pas_regions),
+ .l0_base = (uintptr_t)ARM_L0_GPT_BASE,
+ .l1_base = (uintptr_t)ARM_L1_GPT_BASE,
+ .l0_size = (size_t)ARM_L0_GPT_SIZE,
+ .l1_size = (size_t)ARM_L1_GPT_SIZE,
+ .pps = GPCCR_PPS_256TB,
+ .pgs = GPCCR_PGS_4K
+};
+
+const arm_gpt_info_t *plat_arm_get_gpt_info(void)
+{
+ return &arm_gpt_info;
+}
+
+#endif /* RESET_TO_BL31 */