dm: serial: Drop serial_max3100 serial driver

This does not appear to be used, and has not been converted to driver model
by the deadline (doc/driver-model/serial-howto.txt).

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>

2 files changed, 0 insertions, 295 deletions

diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 8448449..27dc4f5 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -24,7 +24,6 @@ obj-$(CONFIG_LPC32XX_HSUART) += lpc32xx_hsuart.o
 obj-$(CONFIG_MCFUART) += mcfuart.o
 obj-$(CONFIG_SYS_NS16550) += ns16550.o
 obj-$(CONFIG_S5P) += serial_s5p.o
-obj-$(CONFIG_MAX3100_SERIAL) += serial_max3100.o
 obj-$(CONFIG_MXC_UART) += serial_mxc.o
 obj-$(CONFIG_PXA_SERIAL) += serial_pxa.o
 obj-$(CONFIG_SA1100_SERIAL) += serial_sa1100.o
diff --git a/drivers/serial/serial_max3100.c b/drivers/serial/serial_max3100.c
deleted file mode 100644
index 027d919..0000000
--- a/drivers/serial/serial_max3100.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- * (C) Copyright 2003
- *
- * Pantelis Antoniou <panto@intracom.gr>
- * Intracom S.A.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <watchdog.h>
-#include <serial.h>
-#include <linux/compiler.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/**************************************************************/
-
-/* convienient macros */
-#define MAX3100_SPI_RXD() (MAX3100_SPI_RXD_PORT & MAX3100_SPI_RXD_BIT)
-
-#define MAX3100_SPI_TXD(x) \
-	do { \
-		if (x) \
-			MAX3100_SPI_TXD_PORT |=  MAX3100_SPI_TXD_BIT; \
-		else \
-			MAX3100_SPI_TXD_PORT &= ~MAX3100_SPI_TXD_BIT; \
-	} while(0)
-
-#define MAX3100_SPI_CLK(x) \
-	do { \
-		if (x) \
-			MAX3100_SPI_CLK_PORT |=  MAX3100_SPI_CLK_BIT; \
-		else \
-			MAX3100_SPI_CLK_PORT &= ~MAX3100_SPI_CLK_BIT; \
-	} while(0)
-
-#define MAX3100_SPI_CLK_TOGGLE() (MAX3100_SPI_CLK_PORT ^= MAX3100_SPI_CLK_BIT)
-
-#define MAX3100_CS(x) \
-	do { \
-		if (x) \
-			MAX3100_CS_PORT |=  MAX3100_CS_BIT; \
-		else \
-			MAX3100_CS_PORT &= ~MAX3100_CS_BIT; \
-	} while(0)
-
-/**************************************************************/
-
-/* MAX3100 definitions */
-
-#define MAX3100_WC	(3 << 14)		/* write configuration */
-#define MAX3100_RC	(1 << 14)		/* read  configuration */
-#define MAX3100_WD	(2 << 14)		/* write data          */
-#define MAX3100_RD	(0 << 14)		/* read  data          */
-
-/* configuration register bits */
-#define MAX3100_FEN	(1 << 13)		/* FIFO enable           */
-#define MAX3100_SHDN    (1 << 12)		/* shutdown bit          */
-#define MAX3100_TM	(1 << 11)		/* T bit irq mask        */
-#define MAX3100_RM	(1 << 10)		/* R bit irq mask        */
-#define MAX3100_PM	(1 <<  9)		/* P bit irq mask        */
-#define MAX3100_RAM	(1 <<  8)		/* mask for RA/FE bit    */
-#define MAX3100_IR	(1 <<  7)		/* IRDA timing mode      */
-#define MAX3100_ST	(1 <<  6)		/* transmit stop bit     */
-#define MAX3100_PE	(1 <<  5)		/* parity enable bit     */
-#define MAX3100_L	(1 <<  4)		/* Length bit            */
-#define MAX3100_B_MASK	(0x000F)		/* baud rate bits mask   */
-#define MAX3100_B(x)	((x) & 0x000F)	/* baud rate select bits */
-
-/* data register bits (write) */
-#define MAX3100_TE	(1 << 10)		/* transmit enable bit (active low)        */
-#define MAX3100_RTS	(1 <<  9)		/* request-to-send bit (inverted ~RTS pin) */
-
-/* data register bits (read) */
-#define MAX3100_RA	(1 << 10)		/* receiver activity when in shutdown mode */
-#define MAX3100_FE	(1 << 10)		/* framing error when in normal mode       */
-#define MAX3100_CTS	(1 <<  9)		/* clear-to-send bit (inverted ~CTS pin)   */
-
-/* data register bits (both directions) */
-#define MAX3100_R	(1 << 15)		/* receive bit    */
-#define MAX3100_T	(1 << 14)		/* transmit bit   */
-#define MAX3100_P	(1 <<  8)		/* parity bit     */
-#define MAX3100_D_MASK	0x00FF                  /* data bits mask */
-#define MAX3100_D(x)	((x) & 0x00FF)		/* data bits      */
-
-/* these definitions are valid only for fOSC = 3.6864MHz */
-#define MAX3100_B_230400        MAX3100_B(0)
-#define MAX3100_B_115200        MAX3100_B(1)
-#define MAX3100_B_57600         MAX3100_B(2)
-#define MAX3100_B_38400         MAX3100_B(9)
-#define MAX3100_B_19200         MAX3100_B(10)
-#define MAX3100_B_9600          MAX3100_B(11)
-#define MAX3100_B_4800          MAX3100_B(12)
-#define MAX3100_B_2400          MAX3100_B(13)
-#define MAX3100_B_1200          MAX3100_B(14)
-#define MAX3100_B_600           MAX3100_B(15)
-
-/**************************************************************/
-
-static inline unsigned int max3100_transfer(unsigned int val)
-{
-	unsigned int rx;
-	int b;
-
-	MAX3100_SPI_CLK(0);
-	MAX3100_CS(0);
-
-	rx = 0; b = 16;
-	while (--b >= 0) {
-		MAX3100_SPI_TXD(val & 0x8000);
-		val <<= 1;
-		MAX3100_SPI_CLK_TOGGLE();
-		udelay(1);
-		rx <<= 1;
-		if (MAX3100_SPI_RXD())
-			rx |= 1;
-		MAX3100_SPI_CLK_TOGGLE();
-		udelay(1);
-	}
-
-	MAX3100_SPI_CLK(1);
-	MAX3100_CS(1);
-
-	return rx;
-}
-
-/**************************************************************/
-
-/* must be power of 2 */
-#define RXFIFO_SZ	16
-
-static int rxfifo_cnt;
-static int rxfifo_in;
-static int rxfifo_out;
-static unsigned char rxfifo_buf[16];
-
-static void max3100_serial_putc_raw(int c)
-{
-	unsigned int rx;
-
-	while (((rx = max3100_transfer(MAX3100_RC)) & MAX3100_T) == 0)
-		WATCHDOG_RESET();
-
-	rx = max3100_transfer(MAX3100_WD | (c & 0xff));
-	if ((rx & MAX3100_RD) != 0 && rxfifo_cnt < RXFIFO_SZ) {
-		rxfifo_cnt++;
-		rxfifo_buf[rxfifo_in++] = rx & 0xff;
-		rxfifo_in &= RXFIFO_SZ - 1;
-	}
-}
-
-static int max3100_serial_getc(void)
-{
-	int c;
-	unsigned int rx;
-
-	while (rxfifo_cnt == 0) {
-		rx = max3100_transfer(MAX3100_RD);
-		if ((rx & MAX3100_R) != 0) {
-			do {
-				rxfifo_cnt++;
-				rxfifo_buf[rxfifo_in++] = rx & 0xff;
-				rxfifo_in &= RXFIFO_SZ - 1;
-
-				if (rxfifo_cnt >= RXFIFO_SZ)
-					break;
-			} while (((rx = max3100_transfer(MAX3100_RD)) & MAX3100_R) != 0);
-		}
-		WATCHDOG_RESET();
-	}
-
-	rxfifo_cnt--;
-	c = rxfifo_buf[rxfifo_out++];
-	rxfifo_out &= RXFIFO_SZ - 1;
-	return c;
-}
-
-static int max3100_serial_tstc(void)
-{
-	unsigned int rx;
-
-	if (rxfifo_cnt > 0)
-		return 1;
-
-	rx = max3100_transfer(MAX3100_RD);
-	if ((rx & MAX3100_R) == 0)
-		return 0;
-
-	do {
-		rxfifo_cnt++;
-		rxfifo_buf[rxfifo_in++] = rx & 0xff;
-		rxfifo_in &= RXFIFO_SZ - 1;
-
-		if (rxfifo_cnt >= RXFIFO_SZ)
-			break;
-	} while (((rx = max3100_transfer(MAX3100_RD)) & MAX3100_R) != 0);
-
-	return 1;
-}
-
-static int max3100_serial_init(void)
-{
-	unsigned int wconf, rconf;
-	int i;
-
-	wconf = 0;
-
-	/* Set baud rate */
-	switch (gd->baudrate) {
-		case 1200:
-			wconf = MAX3100_B_1200;
-			break;
-		case 2400:
-			wconf = MAX3100_B_2400;
-			break;
-		case 4800:
-			wconf = MAX3100_B_4800;
-			break;
-		case 9600:
-			wconf = MAX3100_B_9600;
-			break;
-		case 19200:
-			wconf = MAX3100_B_19200;
-			break;
-		case 38400:
-			wconf = MAX3100_B_38400;
-			break;
-		case 57600:
-			wconf = MAX3100_B_57600;
-			break;
-		default:
-		case 115200:
-			wconf = MAX3100_B_115200;
-			break;
-		case 230400:
-			wconf = MAX3100_B_230400;
-			break;
-	}
-
-	/* try for 10ms, with a 100us gap */
-	for (i = 0; i < 10000; i += 100) {
-
-		max3100_transfer(MAX3100_WC | wconf);
-		rconf = max3100_transfer(MAX3100_RC) & 0x3fff;
-
-		if (rconf == wconf)
-			break;
-		udelay(100);
-	}
-
-	rxfifo_in = rxfifo_out = rxfifo_cnt = 0;
-
-	return (0);
-}
-
-static void max3100_serial_putc(const char c)
-{
-	if (c == '\n')
-		max3100_serial_putc_raw('\r');
-
-	max3100_serial_putc_raw(c);
-}
-
-static void max3100_serial_puts(const char *s)
-{
-	while (*s)
-		max3100_serial_putc_raw(*s++);
-}
-
-static void max3100_serial_setbrg(void)
-{
-}
-
-static struct serial_device max3100_serial_drv = {
-	.name	= "max3100_serial",
-	.start	= max3100_serial_init,
-	.stop	= NULL,
-	.setbrg	= max3100_serial_setbrg,
-	.putc	= max3100_serial_putc,
-	.puts	= max3100_serial_puts,
-	.getc	= max3100_serial_getc,
-	.tstc	= max3100_serial_tstc,
-};
-
-void max3100_serial_initialize(void)
-{
-	serial_register(&max3100_serial_drv);
-}
-
-__weak struct serial_device *default_serial_console(void)
-{
-	return &max3100_serial_drv;
-}