arm: stm32mp: spl: add bsec driver in SPL

Add the bsec driver in SPL, as it is needed by SOC part number detection
to found the supported OPP.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

diff --git a/arch/arm/dts/stm32mp15-u-boot.dtsi b/arch/arm/dts/stm32mp15-u-boot.dtsi
index 1279589..a0d971a 100644 (file)
--- a/arch/arm/dts/stm32mp15-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp15-u-boot.dtsi
@@ -65,7 +65,7 @@
 };
 
 &bsec {
-       u-boot,dm-pre-proper;
+       u-boot,dm-pre-reloc;
 };
 
 &clk_csi {

diff --git a/arch/arm/mach-stm32mp/Makefile b/arch/arm/mach-stm32mp/Makefile
index 66bb8cf..c8aa24d 100644 (file)
--- a/arch/arm/mach-stm32mp/Makefile
+++ b/arch/arm/mach-stm32mp/Makefile
@@ -6,12 +6,12 @@
 obj-y += cpu.o
 obj-y += dram_init.o
 obj-y += syscon.o
+obj-y += bsec.o
 
 ifdef CONFIG_SPL_BUILD
 obj-y += spl.o
 else
 obj-$(CONFIG_CMD_STM32PROG) += cmd_stm32prog/
-obj-y += bsec.o
 obj-$(CONFIG_CMD_STM32KEY) += cmd_stm32key.o
 obj-$(CONFIG_ARMV7_PSCI) += psci.o
 obj-$(CONFIG_TFABOOT) += boot_params.o

diff --git a/arch/arm/mach-stm32mp/bsec.c b/arch/arm/mach-stm32mp/bsec.c
index fc39230..059ef0b 100644 (file)
--- a/arch/arm/mach-stm32mp/bsec.c
+++ b/arch/arm/mach-stm32mp/bsec.c
@@ -474,20 +474,23 @@ static int stm32mp_bsec_ofdata_to_platdata(struct udevice *dev)
        return 0;
 }
 
-#ifndef CONFIG_TFABOOT
 static int stm32mp_bsec_probe(struct udevice *dev)
 {
+#if !defined(CONFIG_TFABOOT) && !defined(CONFIG_SPL_BUILD)
        int otp;
        struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev);
 
-       /* update unlocked shadow for OTP cleared by the rom code */
+       /*
+        * update unlocked shadow for OTP cleared by the rom code
+        * only executed in U-Boot proper when TF-A is not used
+        */
        for (otp = 57; otp <= BSEC_OTP_MAX_VALUE; otp++)
                if (!bsec_read_SR_lock(plat->base, otp))
                        bsec_shadow_register(plat->base, otp);
+#endif
 
        return 0;
 }
-#endif
 
 static const struct udevice_id stm32mp_bsec_ids[] = {
        { .compatible = "st,stm32mp15-bsec" },
@@ -501,7 +504,5 @@ U_BOOT_DRIVER(stm32mp_bsec) = {
        .ofdata_to_platdata = stm32mp_bsec_ofdata_to_platdata,
        .platdata_auto_alloc_size = sizeof(struct stm32mp_bsec_platdata),
        .ops = &stm32mp_bsec_ops,
-#ifndef CONFIG_TFABOOT
        .probe = stm32mp_bsec_probe,
-#endif
 };