pkarashchenko commented on PR #8779:
URL: https://github.com/apache/nuttx/pull/8779#issuecomment-1475891525
Currently the `arm64_lowputc` is implemented as
```
GTEXT(arm64_lowputc)
SECTION_FUNC(text, arm64_lowputc)
ldr x15, =UART0_BASE_ADDRESS
early_uart_ready x15, w2
early_uart_transmit x15, w0
ret
```
but in C code I see
```
#if defined(CONFIG_UART1_SERIAL_CONSOLE)
# define CONSOLE_DEV g_uart1port /* UART1 is console */
# define TTYS0_DEV g_uart1port /* UART1 is ttyS0 */
# define UART1_ASSIGNED 1
#endif
```
So UART0 may be even not a console UART.
And `UART0_BASE_ADDRESS` is
```
/* Allwinner A64 UART0 Base Address */
#define UART0_BASE_ADDRESS 0x1C28000
```
So what if MCU that is running is not `Allwinner A64`?
I agree that things are broken, but just do not want to go into "even more
broken" state
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