feat(st): introduce new platform STM32MP2
This new STMicroelectronics SoC is based on a dual Cortex-A35.
For the moment, only BL2 is compiled with the common parts for ST
platforms.
Change-Id: I1bc4e6835dba4230359ea9b26d736791e27258aa
Signed-off-by: Yann Gautier <yann.gautier@st.com>
diff --git a/plat/st/stm32mp2/include/platform_def.h b/plat/st/stm32mp2/include/platform_def.h
new file mode 100644
index 0000000..404c384
--- /dev/null
+++ b/plat/st/stm32mp2/include/platform_def.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2023, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
+
+#include <arch.h>
+#include <lib/utils_def.h>
+#include <plat/common/common_def.h>
+
+#include "../stm32mp2_def.h"
+
+/*******************************************************************************
+ * Generic platform constants
+ ******************************************************************************/
+
+/* Size of cacheable stacks */
+#define PLATFORM_STACK_SIZE 0xC00
+
+#define STM32MP_PRIMARY_CPU U(0x0)
+#define STM32MP_SECONDARY_CPU U(0x1)
+
+#define MAX_IO_DEVICES U(4)
+#define MAX_IO_HANDLES U(4)
+#define MAX_IO_BLOCK_DEVICES U(1)
+#define MAX_IO_MTD_DEVICES U(1)
+
+#define PLATFORM_CLUSTER_COUNT U(1)
+#define PLATFORM_CORE_COUNT U(2)
+#define PLATFORM_MAX_CPUS_PER_CLUSTER U(2)
+
+#define PLAT_MAX_PWR_LVL U(5)
+#define PLAT_MAX_CPU_SUSPEND_PWR_LVL U(5)
+#define PLAT_NUM_PWR_DOMAINS U(7)
+
+/* Local power state for power domains in Run state. */
+#define STM32MP_LOCAL_STATE_RUN U(0)
+/* Local power state for retention. */
+#define STM32MP_LOCAL_STATE_RET U(1)
+#define STM32MP_LOCAL_STATE_LP U(2)
+#define PLAT_MAX_RET_STATE STM32MP_LOCAL_STATE_LP
+/* Local power state for OFF/power-down. */
+#define STM32MP_LOCAL_STATE_OFF U(3)
+#define PLAT_MAX_OFF_STATE STM32MP_LOCAL_STATE_OFF
+
+/* Macros to parse the state information from State-ID (recommended encoding) */
+#define PLAT_LOCAL_PSTATE_WIDTH U(4)
+#define PLAT_LOCAL_PSTATE_MASK GENMASK(PLAT_LOCAL_PSTATE_WIDTH - 1U, 0)
+
+/*******************************************************************************
+ * BL2 specific defines.
+ ******************************************************************************/
+/*
+ * Put BL2 just below BL3-1. BL2_BASE is calculated using the current BL2 debug
+ * size plus a little space for growth.
+ */
+#define BL2_BASE STM32MP_BL2_BASE
+#define BL2_LIMIT (STM32MP_BL2_BASE + \
+ STM32MP_BL2_SIZE)
+
+/*******************************************************************************
+ * BL33 specific defines.
+ ******************************************************************************/
+#define BL33_BASE STM32MP_BL33_BASE
+
+/*******************************************************************************
+ * Platform specific page table and MMU setup constants
+ ******************************************************************************/
+#define PLAT_PHY_ADDR_SPACE_SIZE (ULL(1) << 33)
+#define PLAT_VIRT_ADDR_SPACE_SIZE (ULL(1) << 33)
+
+/*******************************************************************************
+ * Declarations and constants to access the mailboxes safely. Each mailbox is
+ * aligned on the biggest cache line size in the platform. This is known only
+ * to the platform as it might have a combination of integrated and external
+ * caches. Such alignment ensures that two maiboxes do not sit on the same cache
+ * line at any cache level. They could belong to different cpus/clusters &
+ * get written while being protected by different locks causing corruption of
+ * a valid mailbox address.
+ ******************************************************************************/
+#define CACHE_WRITEBACK_SHIFT 6
+#define CACHE_WRITEBACK_GRANULE (U(1) << CACHE_WRITEBACK_SHIFT)
+
+#endif /* PLATFORM_DEF_H */