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stm32mp: stm32prog: correctly handle OTP when SMC is not supported

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As the SMC is only supported in SP-MIN for STM32MP15x, the associated
partition should be absent when the TA NVMEM is not available in OPT-TEE
in STM32MP13x.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
This commit is contained in:
Patrick Delaunay 2022-09-06 18:53:20 +02:00 • committed by Patrice Chotard
parent 3df19b8bec
commit 93b2d4d0bd
2 changed files with 22 additions and 8 deletions
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25
arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c
View file

@ -1342,10 +1342,22 @@ static int dfu_init_entities(struct stm32prog_data *data)
struct stm32prog_part_t *part;
struct dfu_entity *dfu;
int alt_nb;
u32 otp_size = 0;
alt_nb = 1; /* number of virtual = CMD*/
if (IS_ENABLED(CONFIG_CMD_STM32PROG_OTP))
alt_nb++; /* OTP*/
if (IS_ENABLED(CONFIG_CMD_STM32PROG_OTP)) {
/* OTP_SIZE_SMC = 0 if SMC is not supported */
otp_size = OTP_SIZE_SMC;
/* check if PTA BSEC is supported */
ret = optee_ta_open(data);
log_debug("optee_ta_open(PTA_NVMEM) result %d\n", ret);
if (!ret && data->tee)
otp_size = OTP_SIZE_TA;
if (otp_size)
alt_nb++; /* OTP*/
}
if (CONFIG_IS_ENABLED(DM_PMIC))
alt_nb++; /* PMIC NVMEM*/
@ -1363,6 +1375,7 @@ static int dfu_init_entities(struct stm32prog_data *data)
puts("DFU alt info setting: ");
if (data->part_nb) {
alt_id = 0;
ret = 0;
for (phase = 1;
(phase <= PHASE_LAST_USER) &&
(alt_id < alt_nb) && !ret;
@ -1396,12 +1409,8 @@ static int dfu_init_entities(struct stm32prog_data *data)
if (!ret)
ret = stm32prog_alt_add_virt(dfu, "virtual", PHASE_CMD, CMD_SIZE);
if (!ret && IS_ENABLED(CONFIG_CMD_STM32PROG_OTP)) {
ret = optee_ta_open(data);
log_debug("optee_ta result %d\n", ret);
ret = stm32prog_alt_add_virt(dfu, "OTP", PHASE_OTP,
data->tee ? OTP_SIZE_TA : OTP_SIZE_SMC);
}
if (!ret && IS_ENABLED(CONFIG_CMD_STM32PROG_OTP) && otp_size)
ret = stm32prog_alt_add_virt(dfu, "OTP", PHASE_OTP, otp_size);
if (!ret && CONFIG_IS_ENABLED(DM_PMIC))
ret = stm32prog_alt_add_virt(dfu, "PMIC", PHASE_PMIC, PMIC_SIZE);

5
arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h
View file

@ -20,7 +20,12 @@
#define DEFAULT_ADDRESS 0xFFFFFFFF
#define CMD_SIZE 512
/* SMC is only supported in SPMIN for STM32MP15x */
#ifdef CONFIG_STM32MP15x
#define OTP_SIZE_SMC 1024
#else
#define OTP_SIZE_SMC 0
#endif
#define OTP_SIZE_TA 776
#define PMIC_SIZE 8