serial: lpuart: Fix several cosmetic issues

[oweals/u-boot.git] / drivers / serial / serial_pl01x.c

diff --git a/drivers/serial/serial_pl01x.c b/drivers/serial/serial_pl01x.c
index ecf3bc02409e4a741353cd97404f827ea18e7896..552c945264c8d549c6da6fbbb311beb188fcb66c 100644 (file)
--- a/drivers/serial/serial_pl01x.c
+++ b/drivers/serial/serial_pl01x.c
@@ -80,13 +80,6 @@ static int pl01x_generic_serial_init(struct pl01x_regs *regs,
                writel(0, &regs->pl010_cr);
                break;
        case TYPE_PL011:
-#ifdef CONFIG_PL011_SERIAL_FLUSH_ON_INIT
-               /* Empty RX fifo if necessary */
-               if (readl(&regs->pl011_cr) & UART_PL011_CR_UARTEN) {
-                       while (!(readl(&regs->fr) & UART_PL01x_FR_RXFE))
-                               readl(&regs->dr);
-               }
-#endif
                /* disable everything */
                writel(0, &regs->pl011_cr);
                break;
@@ -105,21 +98,6 @@ static int pl011_set_line_control(struct pl01x_regs *regs)
         * control register write
         */
        lcr = UART_PL011_LCRH_WLEN_8 | UART_PL011_LCRH_FEN;
-#ifdef CONFIG_PL011_SERIAL_RLCR
-       {
-               int i;
-
-               /*
-                * Program receive line control register after waiting
-                * 10 bus cycles.  Delay be writing to readonly register
-                * 10 times
-                */
-               for (i = 0; i < 10; i++)
-                       writel(lcr, &regs->fr);
-
-               writel(lcr, &regs->pl011_rlcr);
-       }
-#endif
        writel(lcr, &regs->pl011_lcrh);
        return 0;
 }
@@ -389,3 +367,31 @@ U_BOOT_DRIVER(serial_pl01x) = {
 };
 
 #endif
+
+#if defined(CONFIG_DEBUG_UART_PL010) || defined(CONFIG_DEBUG_UART_PL011)
+
+#include <debug_uart.h>
+
+static void _debug_uart_init(void)
+{
+#ifndef CONFIG_DEBUG_UART_SKIP_INIT
+       struct pl01x_regs *regs = (struct pl01x_regs *)CONFIG_DEBUG_UART_BASE;
+       enum pl01x_type type = CONFIG_IS_ENABLED(DEBUG_UART_PL011) ?
+                               TYPE_PL011 : TYPE_PL010;
+
+       pl01x_generic_serial_init(regs, type);
+       pl01x_generic_setbrg(regs, type,
+                            CONFIG_DEBUG_UART_CLOCK, CONFIG_BAUDRATE);
+#endif
+}
+
+static inline void _debug_uart_putc(int ch)
+{
+       struct pl01x_regs *regs = (struct pl01x_regs *)CONFIG_DEBUG_UART_BASE;
+
+       pl01x_putc(regs, ch);
+}
+
+DEBUG_UART_FUNCS
+
+#endif