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arm: stm32mp: spl: add bsec driver in SPL

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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>
This commit is contained in:
Patrick Delaunay 2020-05-25 12:19:41 +02:00
parent a718a5d0f4
commit 95bd49a5aa
3 changed files with 8 additions and 7 deletions
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2
arch/arm/dts/stm32mp15-u-boot.dtsi
View file

@ -65,7 +65,7 @@
}; };
&bsec { &bsec {
u-boot,dm-pre-proper; u-boot,dm-pre-reloc;
}; };
&clk_csi { &clk_csi {

2
arch/arm/mach-stm32mp/Makefile
View file

@ -6,12 +6,12 @@
obj-y += cpu.o obj-y += cpu.o
obj-y += dram_init.o obj-y += dram_init.o
obj-y += syscon.o obj-y += syscon.o
obj-y += bsec.o
ifdef CONFIG_SPL_BUILD ifdef CONFIG_SPL_BUILD
obj-y += spl.o obj-y += spl.o
else else
obj-$(CONFIG_CMD_STM32PROG) += cmd_stm32prog/ obj-$(CONFIG_CMD_STM32PROG) += cmd_stm32prog/
obj-y += bsec.o
obj-$(CONFIG_CMD_STM32KEY) += cmd_stm32key.o obj-$(CONFIG_CMD_STM32KEY) += cmd_stm32key.o
obj-$(CONFIG_ARMV7_PSCI) += psci.o obj-$(CONFIG_ARMV7_PSCI) += psci.o
obj-$(CONFIG_TFABOOT) += boot_params.o obj-$(CONFIG_TFABOOT) += boot_params.o

11
arch/arm/mach-stm32mp/bsec.c
View file

@ -474,20 +474,23 @@ static int stm32mp_bsec_ofdata_to_platdata(struct udevice *dev)
return 0; return 0;
} }
#ifndef CONFIG_TFABOOT
static int stm32mp_bsec_probe(struct udevice *dev) static int stm32mp_bsec_probe(struct udevice *dev)
{ {
#if !defined(CONFIG_TFABOOT) && !defined(CONFIG_SPL_BUILD)
int otp; int otp;
struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev); 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++) for (otp = 57; otp <= BSEC_OTP_MAX_VALUE; otp++)
if (!bsec_read_SR_lock(plat->base, otp)) if (!bsec_read_SR_lock(plat->base, otp))
bsec_shadow_register(plat->base, otp); bsec_shadow_register(plat->base, otp);
#endif
return 0; return 0;
} }
#endif
static const struct udevice_id stm32mp_bsec_ids[] = { static const struct udevice_id stm32mp_bsec_ids[] = {
{ .compatible = "st,stm32mp15-bsec" }, { .compatible = "st,stm32mp15-bsec" },
@ -501,7 +504,5 @@ U_BOOT_DRIVER(stm32mp_bsec) = {
.ofdata_to_platdata = stm32mp_bsec_ofdata_to_platdata, .ofdata_to_platdata = stm32mp_bsec_ofdata_to_platdata,
.platdata_auto_alloc_size = sizeof(struct stm32mp_bsec_platdata), .platdata_auto_alloc_size = sizeof(struct stm32mp_bsec_platdata),
.ops = &stm32mp_bsec_ops, .ops = &stm32mp_bsec_ops,
#ifndef CONFIG_TFABOOT
.probe = stm32mp_bsec_probe, .probe = stm32mp_bsec_probe,
#endif
}; };