drivers: serial_s3c44b0: delete an unused driver

Since commit 5dc5f36 removed B2 board support,
there are no boards enabling serial_s3c44b0.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Andrea Scian <andrea.scian@dave-tech.it>

diff --git a/doc/driver-model/UDM-serial.txt b/doc/driver-model/UDM-serial.txt
index 1011c32d18b914b66778a463c362eb04e737e102..54f853e0e402ae603de69b33d6b51acb0c813463 100644 (file)
--- a/doc/driver-model/UDM-serial.txt
+++ b/doc/driver-model/UDM-serial.txt
@@ -148,32 +148,28 @@ III) Analysis of in-tree drivers
   --------------------
   This driver, being quite ad-hoc might need some work to bring back to shape.
 
-  22) serial_s3c44b0.c
-  --------------------
-  No support for CONFIG_SERIAL_MULTI. Simple conversion possible.
-
-  23) serial_s5p.c
+  22) serial_s5p.c
   ----------------
   No support for CONFIG_SERIAL_MULTI. Simple conversion possible.
 
-  24) serial_sa1100.c
+  23) serial_sa1100.c
   -------------------
   No support for CONFIG_SERIAL_MULTI. Simple conversion possible.
 
-  25) serial_sh.c
+  24) serial_sh.c
   ---------------
   No support for CONFIG_SERIAL_MULTI. Simple conversion possible.
 
-  26) serial_xuartlite.c
+  25) serial_xuartlite.c
   ----------------------
   No support for CONFIG_SERIAL_MULTI. Simple conversion possible.
 
-  27) usbtty.c
+  26) usbtty.c
   ------------
   This driver seems very complicated and entangled with USB framework. The
   conversion might be complicated here.
 
-  28) arch/powerpc/cpu/mpc512x/serial.c
+  27) arch/powerpc/cpu/mpc512x/serial.c
   -------------------------------------
   This driver supports CONFIG_SERIAL_MULTI. This driver will need to be moved to
   proper place.

diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 4c45bfa363f14af03384102d3a5b373e146dbe44..e1fd7a5dc8e09bbb6f701466acfb1f8e332de769 100644 (file)
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -31,7 +31,6 @@ COBJS-$(CONFIG_PL011_SERIAL) += serial_pl01x.o
 COBJS-$(CONFIG_PXA_SERIAL) += serial_pxa.o
 COBJS-$(CONFIG_SA1100_SERIAL) += serial_sa1100.o
 COBJS-$(CONFIG_S3C24X0_SERIAL) += serial_s3c24x0.o
-COBJS-$(CONFIG_S3C44B0_SERIAL) += serial_s3c44b0.o
 COBJS-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o
 COBJS-$(CONFIG_SANDBOX_SERIAL) += sandbox.o
 COBJS-$(CONFIG_SCIF_CONSOLE) += serial_sh.o

diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c
index 35dc61e020c04b5e0efc37df211e28fff8f2a67d..df2b84aaafd69e36908f561d6273280c41727d9f 100644 (file)
--- a/drivers/serial/serial.c
+++ b/drivers/serial/serial.c
@@ -156,7 +156,6 @@ serial_initfunc(lh7a40x_serial_initialize);
 serial_initfunc(max3100_serial_initialize);
 serial_initfunc(mxc_serial_initialize);
 serial_initfunc(pl01x_serial_initialize);
-serial_initfunc(s3c44b0_serial_initialize);
 serial_initfunc(sa1100_serial_initialize);
 serial_initfunc(sh_serial_initialize);
 serial_initfunc(arm_dcc_initialize);
@@ -250,7 +249,6 @@ void serial_initialize(void)
        max3100_serial_initialize();
        mxc_serial_initialize();
        pl01x_serial_initialize();
-       s3c44b0_serial_initialize();
        sa1100_serial_initialize();
        sh_serial_initialize();
        arm_dcc_initialize();

diff --git a/drivers/serial/serial_s3c44b0.c b/drivers/serial/serial_s3c44b0.c
deleted file mode 100644 (file)
index 2a07498..0000000
--- a/drivers/serial/serial_s3c44b0.c
+++ /dev/null
@@ -1,216 +0,0 @@
-pyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * ght 2002-2004
- * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
- *
- * SPDX-License-Identifier:    GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/hardware.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/* flush serial input queue. returns 0 on success or negative error
- * number otherwise
- */
-static int serial_flush_input(void)
-{
-       volatile u32 tmp;
-
-       /* keep on reading as long as the receiver is not empty */
-       while(UTRSTAT0&0x01) {
-               tmp = REGB(URXH0);
-       }
-
-       return 0;
-}
-
-
-/* flush output queue. returns 0 on success or negative error number
- * otherwise
- */
-static int serial_flush_output(void)
-{
-       /* wait until the transmitter is no longer busy */
-       while(!(UTRSTAT0 & 0x02)) {
-       }
-
-       return 0;
-}
-
-
-static void s3c44b0_serial_setbrg(void)
-{
-       u32 divisor = 0;
-
-       /* get correct divisor */
-       switch(gd->baudrate) {
-
-       case 1200:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
-               divisor = 3124;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
-               divisor = 3905;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif
-               break;
-
-       case 9600:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
-               divisor = 390;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
-               divisor = 487;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif
-               break;
-
-       case 19200:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
-               divisor = 194;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
-               divisor = 243;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif
-               break;
-
-       case 38400:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
-               divisor = 97;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
-               divisor = 121;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif /* break; */
-
-       case 57600:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
-               divisor = 64;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
-               divisor = 80;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif /* break; */
-
-       case 115200:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
-               divisor = 32;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
-               divisor = 40;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif /* break; */
-       }
-
-       serial_flush_output();
-       serial_flush_input();
-       UFCON0 = 0x0;
-       ULCON0 = 0x03;
-       UCON0 = 0x05;
-       UBRDIV0 = divisor;
-
-       UFCON1 = 0x0;
-       ULCON1 = 0x03;
-       UCON1 = 0x05;
-       UBRDIV1 = divisor;
-
-       for(divisor=0; divisor<100; divisor++) {
-               /* NOP */
-       }
-}
-
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- *
- */
-static int s3c44b0_serial_init(void)
-{
-       serial_setbrg ();
-
-       return (0);
-}
-
-
-/*
- * Output a single byte to the serial port.
- */
-static void s3c44b0_serial_putc(const char c)
-{
-       /* wait for room in the transmit FIFO */
-       while(!(UTRSTAT0 & 0x02));
-
-       UTXH0 = (unsigned char)c;
-
-       /*
-               to be polite with serial console add a line feed
-               to the carriage return character
-       */
-       if (c=='\n')
-               serial_putc('\r');
-}
-
-/*
- * Read a single byte from the serial port. Returns 1 on success, 0
- * otherwise. When the function is succesfull, the character read is
- * written into its argument c.
- */
-static int s3c44b0_serial_tstc(void)
-{
-       return (UTRSTAT0 & 0x01);
-}
-
-/*
- * Read a single byte from the serial port. Returns 1 on success, 0
- * otherwise. When the function is succesfull, the character read is
- * written into its argument c.
- */
-static int s3c44b0_serial_getc(void)
-{
-       int rv;
-
-       for(;;) {
-               rv = s3c44b0_serial_tstc();
-
-               if(rv > 0)
-                       return URXH0;
-       }
-}
-
-static struct serial_device s3c44b0_serial_drv = {
-       .name   = "s3c44b0_serial",
-       .start  = s3c44b0_serial_init,
-       .stop   = NULL,
-       .setbrg = s3c44b0_serial_setbrg,
-       .putc   = s3c44b0_serial_putc,
-       .puts   = default_serial_puts,
-       .getc   = s3c44b0_serial_getc,
-       .tstc   = s3c44b0_serial_tstc,
-};
-
-void s3c44b0_serial_initialize(void)
-{
-       serial_register(&s3c44b0_serial_drv);
-}
-
-__weak struct serial_device *default_serial_console(void)
-{
-       return &s3c44b0_serial_drv;
-}