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Merge "fix(stm32mp2): correct early/crash console init" into integration

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This commit is contained in:
Manish V Badarkhe 2025-01-28 15:28:25 +01:00 • committed by TrustedFirmware Code Review
commit 64187603b2
1 changed files with 10 additions and 10 deletions
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20
plat/st/stm32mp2/aarch64/stm32mp2_helper.S
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@ -90,19 +90,19 @@ endfunc plat_my_core_pos
func plat_crash_console_init
/* Reset UART peripheral */
mov_imm x1, (RCC_BASE + DEBUG_UART_RST_REG)
ldr x2, =DEBUG_UART_RST_BIT
ldr x0, [x1]
orr x0, x0, x2
str x0, [x1]
ldr w2, =DEBUG_UART_RST_BIT
ldr w0, [x1]
orr w0, w0, w2
str w0, [x1]
1:
ldr x0, [x1]
tst x0, #DEBUG_UART_RST_BIT
ldr w0, [x1]
tst w0, #DEBUG_UART_RST_BIT
beq 1b
bic x0, x0, #DEBUG_UART_RST_BIT
str x0, [x1]
bic w0, w0, #DEBUG_UART_RST_BIT
str w0, [x1]
2:
ldr x0, [x1]
tst x0, #DEBUG_UART_RST_BIT
ldr w0, [x1]
tst w0, #DEBUG_UART_RST_BIT
bne 2b
/* Enable GPIOs for UART TX */
mov_imm x1, (RCC_BASE + DEBUG_UART_TX_GPIO_BANK_CLK_REG)