diff options
| -rw-r--r-- | common/uart_buffering.c | 7 | ||||
| -rw-r--r-- | include/config.h | 10 |
2 files changed, 17 insertions, 0 deletions
diff --git a/common/uart_buffering.c b/common/uart_buffering.c index 8ff8f1cc12..86a3482951 100644 --- a/common/uart_buffering.c +++ b/common/uart_buffering.c @@ -68,6 +68,12 @@ static int __tx_char(void *context, int c) if (c == '\n' && __tx_char(NULL, '\r')) return 1; +#if defined CONFIG_POLLING_UART + (void) tx_buf_next; + (void) tx_buf_new_tail; + uart_write_char(c); +#else + tx_buf_next = TX_BUF_NEXT(tx_buf_head); if (tx_buf_next == tx_buf_tail) return 1; @@ -89,6 +95,7 @@ static int __tx_char(void *context, int c) tx_buf[tx_buf_head] = c; tx_buf_head = tx_buf_next; +#endif return 0; } diff --git a/include/config.h b/include/config.h index 603062f6da..983184d909 100644 --- a/include/config.h +++ b/include/config.h @@ -1220,6 +1220,16 @@ */ #undef CONFIG_PMU_POWERINFO +/* + * Enable this config to make console UART self sufficient (no other + * initialization required before uart_init(), no interrupts, uart_tx_char() + * does not exit until character finished transmitting). + * + * This is useful during early hardware bringup, each platform needs to + * implement its own code to support this. + */ +#undef CONFIG_POLLING_UART + /*****************************************************************************/ /* |