commit 6512c3a62a4a7baaf32597284b242bc7172b7e26
author Yann Gautier <yann.gautier@st.com> Tue Apr 21 15:03:59 2020 +0200
committer Yann Gautier <yann.gautier@st.com> Tue Mar 22 09:09:23 2022 +0100
tree 2c93f815dc5da8a2c692bb5bcdfe97ccdf29b311
parent b7d0058a3a9153a3863cf76a6763ea751b3ab48d

feat(stm32mp1): get CPU info from SYSCFG on STM32MP13

The IDC register from DBGMCU is duplicated in SYSCFG. As SYSCFG is
always accessible, get chip ID and revision ID from there on STM32MP13.

Change-Id: Ib0b6e8f68a2934a45ec0012f69db6c12a60adb17
Signed-off-by: Yann Gautier <yann.gautier@st.com>

plat/st/stm32mp1/stm32mp1_private.c

diff --git a/plat/st/stm32mp1/stm32mp1_private.c b/plat/st/stm32mp1/stm32mp1_private.c
index 917b8db..738cd8c 100644
--- a/plat/st/stm32mp1/stm32mp1_private.c
+++ b/plat/st/stm32mp1/stm32mp1_private.c
@@ -289,6 +289,10 @@
 
 uint32_t stm32mp_get_chip_version(void)
 {
+#if STM32MP13
+	return stm32mp1_syscfg_get_chip_version();
+#endif
+#if STM32MP15
 	uint32_t version = 0U;
 
 	if (stm32mp1_dbgmcu_get_chip_version(&version) < 0) {
@@ -297,10 +301,15 @@
 	}
 
 	return version;
+#endif
 }
 
 uint32_t stm32mp_get_chip_dev_id(void)
 {
+#if STM32MP13
+	return stm32mp1_syscfg_get_chip_dev_id();
+#endif
+#if STM32MP15
 	uint32_t dev_id;
 
 	if (stm32mp1_dbgmcu_get_chip_dev_id(&dev_id) < 0) {
@@ -309,6 +318,7 @@
 	}
 
 	return dev_id;
+#endif
 }
 
 static uint32_t get_part_number(void)