1 files changed, 0 insertions, 118 deletions
diff --git a/arch/mips/cpu/xburst/jz_serial.c b/arch/mips/cpu/xburst/jz_serial.c
deleted file mode 100644
index 9184223794..0000000000
--- a/arch/mips/cpu/xburst/jz_serial.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Jz4740 UART support
- * Copyright (c) 2011
- * Qi Hardware, Xiangfu Liu <xiangfu@sharism.cc>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <config.h>
-#include <common.h>
-#include <asm/io.h>
-#include <asm/jz4740.h>
-#include <serial.h>
-#include <linux/compiler.h>
-
-/*
- * serial_init - initialize a channel
- *
- * This routine initializes the number of data bits, parity
- * and set the selected baud rate. Interrupts are disabled.
- * Set the modem control signals if the option is selected.
- *
- * RETURNS: N/A
- */
-struct jz4740_uart *uart = (struct jz4740_uart *)CONFIG_SYS_UART_BASE;
-
-static int jz_serial_init(void)
-{
-	/* Disable port interrupts while changing hardware */
-	writeb(0, &uart->dlhr_ier);
-
-	/* Disable UART unit function */
-	writeb(~UART_FCR_UUE, &uart->iir_fcr);
-
-	/* Set both receiver and transmitter in UART mode (not SIR) */
-	writeb(~(SIRCR_RSIRE | SIRCR_TSIRE), &uart->isr);
-
-	/*
-	 * Set databits, stopbits and parity.
-	 * (8-bit data, 1 stopbit, no parity)
-	 */
-	writeb(UART_LCR_WLEN_8 | UART_LCR_STOP_1, &uart->lcr);
-
-	/* Set baud rate */
-	serial_setbrg();
-
-	/* Enable UART unit, enable and clear FIFO */
-	writeb(UART_FCR_UUE | UART_FCR_FE | UART_FCR_TFLS | UART_FCR_RFLS,
-	       &uart->iir_fcr);
-
-	return 0;
-}
-
-static void jz_serial_setbrg(void)
-{
-	u32 baud_div, tmp;
-
-	baud_div = CONFIG_SYS_EXTAL / 16 / CONFIG_BAUDRATE;
-
-	tmp = readb(&uart->lcr);
-	tmp |= UART_LCR_DLAB;
-	writeb(tmp, &uart->lcr);
-
-	writeb((baud_div >> 8) & 0xff, &uart->dlhr_ier);
-	writeb(baud_div & 0xff, &uart->rbr_thr_dllr);
-
-	tmp &= ~UART_LCR_DLAB;
-	writeb(tmp, &uart->lcr);
-}
-
-static int jz_serial_tstc(void)
-{
-	if (readb(&uart->lsr) & UART_LSR_DR)
-		return 1;
-
-	return 0;
-}
-
-static void jz_serial_putc(const char c)
-{
-	if (c == '\n')
-		serial_putc('\r');
-
-	/* Wait for fifo to shift out some bytes */
-	while (!((readb(&uart->lsr) & (UART_LSR_TDRQ | UART_LSR_TEMT)) == 0x60))
-		;
-
-	writeb((u8)c, &uart->rbr_thr_dllr);
-}
-
-static int jz_serial_getc(void)
-{
-	while (!serial_tstc())
-		;
-
-	return readb(&uart->rbr_thr_dllr);
-}
-
-static struct serial_device jz_serial_drv = {
-	.name	= "jz_serial",
-	.start	= jz_serial_init,
-	.stop	= NULL,
-	.setbrg	= jz_serial_setbrg,
-	.putc	= jz_serial_putc,
-	.puts	= default_serial_puts,
-	.getc	= jz_serial_getc,
-	.tstc	= jz_serial_tstc,
-};
-
-void jz_serial_initialize(void)
-{
-	serial_register(&jz_serial_drv);
-}
-
-__weak struct serial_device *default_serial_console(void)
-{
-	return &jz_serial_drv;
-}