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-rw-r--r--arch/arm/mach-stm32mp/Kconfig14
-rw-r--r--arch/arm/mach-stm32mp/Makefile3
-rw-r--r--arch/arm/mach-stm32mp/bsec.c30
-rw-r--r--arch/arm/mach-stm32mp/include/mach/stm32.h1
4 files changed, 32 insertions, 16 deletions
diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig
index 9dc3c4d1c5..c9bc084194 100644
--- a/arch/arm/mach-stm32mp/Kconfig
+++ b/arch/arm/mach-stm32mp/Kconfig
@@ -16,8 +16,9 @@ config SPL
select SPL_REGMAP
select SPL_DM_RESET
select SPL_SERIAL_SUPPORT
+ select SPL_SPI_LOAD
select SPL_SYSCON
- select SPL_WATCHDOG_SUPPORT
+ select SPL_WATCHDOG_SUPPORT if WATCHDOG
imply BOOTSTAGE_STASH if SPL_BOOTSTAGE
imply SPL_BOOTSTAGE if BOOTSTAGE
imply SPL_DISPLAY_PRINT
@@ -42,11 +43,15 @@ config TARGET_STM32MP1
select PINCTRL_STM32
select STM32_RCC
select STM32_RESET
+ select STM32_SERIAL
select SYS_ARCH_TIMER
imply BOOTCOUNT_LIMIT
imply BOOTSTAGE
imply CMD_BOOTCOUNT
imply CMD_BOOTSTAGE
+ imply DISABLE_CONSOLE
+ imply PRE_CONSOLE_BUFFER
+ imply SILENT_CONSOLE
imply SYSRESET_PSCI if STM32MP1_TRUSTED
imply SYSRESET_SYSCON if !STM32MP1_TRUSTED
help
@@ -109,6 +114,13 @@ config CMD_STM32KEY
fuse public key hash in corresponding fuse used to authenticate
binary.
+
+config PRE_CON_BUF_ADDR
+ default 0xC02FF000
+
+config PRE_CON_BUF_SZ
+ default 4096
+
config BOOTSTAGE_STASH_ADDR
default 0xC3000000
diff --git a/arch/arm/mach-stm32mp/Makefile b/arch/arm/mach-stm32mp/Makefile
index ad5fd46ccd..eee39c27c3 100644
--- a/arch/arm/mach-stm32mp/Makefile
+++ b/arch/arm/mach-stm32mp/Makefile
@@ -12,7 +12,8 @@ obj-y += spl.o
else
obj-y += bsec.o
obj-$(CONFIG_CMD_STM32KEY) += cmd_stm32key.o
-endif
obj-$(CONFIG_ARMV7_PSCI) += psci.o
+endif
+
obj-$(CONFIG_$(SPL_)DM_REGULATOR) += pwr_regulator.o
obj-$(CONFIG_OF_SYSTEM_SETUP) += fdt.o
diff --git a/arch/arm/mach-stm32mp/bsec.c b/arch/arm/mach-stm32mp/bsec.c
index 8018366885..a77c706a1a 100644
--- a/arch/arm/mach-stm32mp/bsec.c
+++ b/arch/arm/mach-stm32mp/bsec.c
@@ -364,15 +364,13 @@ static int stm32mp_bsec_read(struct udevice *dev, int offset,
offs -= STM32_BSEC_OTP_OFFSET;
shadow = false;
}
- otp = offs / sizeof(u32);
- if (otp < 0 || (otp + nb_otp - 1) > BSEC_OTP_MAX_VALUE) {
- dev_err(dev, "wrong value for otp, max value : %i\n",
- BSEC_OTP_MAX_VALUE);
+ if (offs < 0 || (offs % 4) || (size % 4))
return -EINVAL;
- }
- for (i = otp; i < (otp + nb_otp); i++) {
+ otp = offs / sizeof(u32);
+
+ for (i = otp; i < (otp + nb_otp) && i <= BSEC_OTP_MAX_VALUE; i++) {
u32 *addr = &((u32 *)buf)[i - otp];
if (shadow)
@@ -383,7 +381,10 @@ static int stm32mp_bsec_read(struct udevice *dev, int offset,
if (ret)
break;
}
- return ret;
+ if (ret)
+ return ret;
+ else
+ return (i - otp) * 4;
}
static int stm32mp_bsec_write(struct udevice *dev, int offset,
@@ -400,15 +401,13 @@ static int stm32mp_bsec_write(struct udevice *dev, int offset,
offs -= STM32_BSEC_OTP_OFFSET;
shadow = false;
}
- otp = offs / sizeof(u32);
- if (otp < 0 || (otp + nb_otp - 1) > BSEC_OTP_MAX_VALUE) {
- dev_err(dev, "wrong value for otp, max value : %d\n",
- BSEC_OTP_MAX_VALUE);
+ if (offs < 0 || (offs % 4) || (size % 4))
return -EINVAL;
- }
- for (i = otp; i < otp + nb_otp; i++) {
+ otp = offs / sizeof(u32);
+
+ for (i = otp; i < otp + nb_otp && i <= BSEC_OTP_MAX_VALUE; i++) {
u32 *val = &((u32 *)buf)[i - otp];
if (shadow)
@@ -418,7 +417,10 @@ static int stm32mp_bsec_write(struct udevice *dev, int offset,
if (ret)
break;
}
- return ret;
+ if (ret)
+ return ret;
+ else
+ return (i - otp) * 4;
}
static const struct misc_ops stm32mp_bsec_ops = {
diff --git a/arch/arm/mach-stm32mp/include/mach/stm32.h b/arch/arm/mach-stm32mp/include/mach/stm32.h
index 1d4b5482ac..b3e9ccc5d3 100644
--- a/arch/arm/mach-stm32mp/include/mach/stm32.h
+++ b/arch/arm/mach-stm32mp/include/mach/stm32.h
@@ -94,6 +94,7 @@ enum boot_device {
#define TAMP_BOOT_DEVICE_MASK GENMASK(7, 4)
#define TAMP_BOOT_INSTANCE_MASK GENMASK(3, 0)
#define TAMP_BOOT_FORCED_MASK GENMASK(7, 0)
+#define TAMP_BOOT_DEBUG_ON BIT(16)
enum forced_boot_mode {
BOOT_NORMAL = 0x00,