D19077.1793774051.diff
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	Index: sys/dev/uart/uart_dev_pl011.c
	===================================================================
	--- sys/dev/uart/uart_dev_pl011.c
	+++ sys/dev/uart/uart_dev_pl011.c
	@@ -611,3 +611,18 @@
	__uart_setreg(bas, UART_IMSC, psc->imsc);
	uart_unlock(sc->sc_hwmtx);
	}
	+
	+#ifdef EARLY_PRINTF
	+static void
	+uart_pl011_early_putc(int c)
	+{
	+ u_int base = (void )(uintptr_t)SOCDEV_VA;
	+ volatile u_int *tx = base + UART_DR;
	+ volatile u_int *fr = base + UART_FR;
	+
	+ while ((*fr & FR_TXFF) != 0)
	+ ;
	+ *tx = c;
	+}
	+early_putc_t *early_putc = uart_pl011_early_putc;
	+#endif