feat(stm32mp1): add RNG initialization in BL2 for STM32MP13
Initialize RNG driver at platform level for STM32MP13.
Change-Id: I64832de43e5f6559a12e26680142db54c88f0b9e
Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@foss.st.com>
diff --git a/plat/st/stm32mp1/bl2_plat_setup.c b/plat/st/stm32mp1/bl2_plat_setup.c
index 5015f7d..1fddfcc 100644
--- a/plat/st/stm32mp1/bl2_plat_setup.c
+++ b/plat/st/stm32mp1/bl2_plat_setup.c
@@ -17,6 +17,7 @@
#include <drivers/st/bsec.h>
#include <drivers/st/regulator_fixed.h>
#include <drivers/st/stm32_iwdg.h>
+#include <drivers/st/stm32_rng.h>
#include <drivers/st/stm32_uart.h>
#include <drivers/st/stm32mp1_clk.h>
#include <drivers/st/stm32mp1_pwr.h>
@@ -375,6 +376,12 @@
}
}
+#if STM32MP13
+ if (stm32_rng_init() != 0) {
+ panic();
+ }
+#endif
+
#if STM32MP15
if (stm32mp_is_auth_supported()) {
stm32mp1_auth_ops.check_key =
diff --git a/plat/st/stm32mp1/platform.mk b/plat/st/stm32mp1/platform.mk
index 2409935..7aa5527 100644
--- a/plat/st/stm32mp1/platform.mk
+++ b/plat/st/stm32mp1/platform.mk
@@ -117,8 +117,10 @@
ifeq ($(STM32MP13),1)
STM32_HASH_VER := 4
+STM32_RNG_VER := 4
else # Assuming STM32MP15
STM32_HASH_VER := 2
+STM32_RNG_VER := 2
endif
# Boot devices
@@ -236,6 +238,7 @@
$(sort \
PLAT_PARTITION_MAX_ENTRIES \
STM32_HASH_VER \
+ STM32_RNG_VER \
STM32_TF_A_COPIES \
STM32_TF_VERSION \
STM32MP_UART_BAUDRATE \
@@ -247,6 +250,7 @@
PLAT_PARTITION_MAX_ENTRIES \
PLAT_XLAT_TABLES_DYNAMIC \
STM32_HASH_VER \
+ STM32_RNG_VER \
STM32_TF_A_COPIES \
STM32_TF_VERSION \
STM32MP_CRYPTO_ROM_LIB \
@@ -317,7 +321,8 @@
ifeq ($(STM32MP13),1)
PLAT_BL_COMMON_SOURCES += drivers/st/clk/clk-stm32-core.c \
- drivers/st/clk/clk-stm32mp13.c
+ drivers/st/clk/clk-stm32mp13.c \
+ drivers/st/crypto/stm32_rng.c
else
PLAT_BL_COMMON_SOURCES += drivers/st/clk/stm32mp1_clk.c
endif