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Merge pull request #2360 from cesanta/h7

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Fix sysinit in H7
This commit is contained in:
Sergio R. Caprile 2023-08-23 14:37:21 -03:00 committed by GitHub
commit 41448278cf
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2 changed files with 12 additions and 12 deletions
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12
examples/stm32/nucleo-h743zi-make-baremetal-builtin/sysinit.c
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@ -28,14 +28,14 @@ void SystemInit(void) { // Called automatically by startup code
SCB->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2)); // Enable FPU
asm("DSB");
asm("ISB");
PWR->CR3 |= BIT(1); // select LDO (reset value)
while ((PWR->CSR1 && BIT(13)) == 0) spin(1); // ACTVOSRDY
PWR->D3CR |= BIT(15) | BIT(14); // Select VOS1
PWR->CR3 |= BIT(1); // select LDO (reset value)
while ((PWR->CSR1 & BIT(13)) == 0) spin(1); // ACTVOSRDY
PWR->D3CR |= BIT(15) | BIT(14); // Select VOS1
uint32_t f = PWR->D3CR; // fake read to wait for bus clocking
while ((PWR->CSR1 && BIT(13)) == 0) spin(1); // ACTVOSRDY
SYSCFG->PWRCR |= BIT(0); // ODEN
while ((PWR->CSR1 & BIT(13)) == 0) spin(1); // ACTVOSRDY
SYSCFG->PWRCR |= BIT(0); // ODEN
f = SYSCFG->PWRCR;
while ((PWR->CSR1 && BIT(13)) == 0) spin(1); // ACTVOSRDY
while ((PWR->CSR1 & BIT(13)) == 0) spin(1); // ACTVOSRDY
(void) f;
SETBITS(
RCC->D1CFGR, (0x0F << 8) | (7 << 4) | (0x0F << 0),

12
examples/stm32/nucleo-h743zi-make-freertos-builtin/sysinit.c
View File

@ -28,14 +28,14 @@ void SystemInit(void) { // Called automatically by startup code
SCB->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2)); // Enable FPU
asm("DSB");
asm("ISB");
PWR->CR3 |= BIT(1); // select LDO (reset value)
while ((PWR->CSR1 && BIT(13)) == 0) spin(1); // ACTVOSRDY
PWR->D3CR |= BIT(15) | BIT(14); // Select VOS1
PWR->CR3 |= BIT(1); // select LDO (reset value)
while ((PWR->CSR1 & BIT(13)) == 0) spin(1); // ACTVOSRDY
PWR->D3CR |= BIT(15) | BIT(14); // Select VOS1
uint32_t f = PWR->D3CR; // fake read to wait for bus clocking
while ((PWR->CSR1 && BIT(13)) == 0) spin(1); // ACTVOSRDY
SYSCFG->PWRCR |= BIT(0); // ODEN
while ((PWR->CSR1 & BIT(13)) == 0) spin(1); // ACTVOSRDY
SYSCFG->PWRCR |= BIT(0); // ODEN
f = SYSCFG->PWRCR;
while ((PWR->CSR1 && BIT(13)) == 0) spin(1); // ACTVOSRDY
while ((PWR->CSR1 & BIT(13)) == 0) spin(1); // ACTVOSRDY
(void) f;
SETBITS(
RCC->D1CFGR, (0x0F << 8) | (7 << 4) | (0x0F << 0),