stm32mp1: save boot information in backup registers
This will be used by BL33 to get boot device and instance.
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Mathieu Belou <mathieu.belou@st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
index 0b46bc5..5ff509c 100644
--- a/plat/st/stm32mp1/stm32mp1_def.h
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -158,6 +158,19 @@
#define STM32MP1_EMMC_HIGH_SPEED_MAX_FREQ 52000000 /*52 MHz*/
/*******************************************************************************
+ * STM32MP1 TAMP
+ ******************************************************************************/
+#define TAMP_BASE U(0x5C00A000)
+#define TAMP_BKP_REGISTER_BASE (TAMP_BASE + U(0x100))
+
+#if !(defined(__LINKER__) || defined(__ASSEMBLY__))
+static inline uint32_t tamp_bkpr(uint32_t idx)
+{
+ return TAMP_BKP_REGISTER_BASE + (idx << 2);
+}
+#endif
+
+/*******************************************************************************
* STM32MP1 DDRCTRL
******************************************************************************/
#define DDRCTRL_BASE U(0x5A003000)