mirrors/u-boot
0
0
Fork 0
mirror of https://github.com/u-boot/u-boot.git synced 2024-11-24 12:44:23 +08:00
Code Issues Packages Projects Releases Wiki Activity

serial: Drop the s3c24x0 serial driver

Browse Source 
This is not used by any boards. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: David Müller <d.mueller@elsoft.ch>
Reviewed-by: Jagan Teki <jagan@openedev.com>
This commit is contained in:
Simon Glass 2016-11-23 06:01:32 -07:00 committed by Tom Rini
parent 950c3f700c
commit ebb2c53585
4 changed files with 0 additions and 211 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
doc/driver-model/serial-howto.txt
View File

@ -6,7 +6,6 @@ ones remain:
serial_bfin.c serial_bfin.c
serial_pxa.c serial_pxa.c
serial_s3c24x0.c
The deadline for this work was the end of January 2016. If no one steps The deadline for this work was the end of January 2016. If no one steps
forward to convert these, at some point there may come a patch to remove them! forward to convert these, at some point there may come a patch to remove them!

1
drivers/serial/Makefile
View File

@ -31,7 +31,6 @@ obj-$(CONFIG_MESON_SERIAL) += serial_meson.o
ifdef CONFIG_SPL_BUILD ifdef CONFIG_SPL_BUILD
obj-$(CONFIG_ROCKCHIP_SERIAL) += serial_rockchip.o obj-$(CONFIG_ROCKCHIP_SERIAL) += serial_rockchip.o
endif endif
obj-$(CONFIG_S3C24X0_SERIAL) += serial_s3c24x0.o
obj-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o obj-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o
obj-$(CONFIG_SANDBOX_SERIAL) += sandbox.o obj-$(CONFIG_SANDBOX_SERIAL) += sandbox.o
obj-$(CONFIG_SCIF_CONSOLE) += serial_sh.o obj-$(CONFIG_SCIF_CONSOLE) += serial_sh.o

208
drivers/serial/serial_s3c24x0.c
View File

@ -1,208 +0,0 @@
/*
* (C) Copyright 2002
* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <linux/compiler.h>
#include <asm/arch/s3c24x0_cpu.h>
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_SERIAL1
#define UART_NR S3C24X0_UART0
#elif defined(CONFIG_SERIAL2)
#define UART_NR S3C24X0_UART1
#elif defined(CONFIG_SERIAL3)
#define UART_NR S3C24X0_UART2
#else
#error "Bad: you didn't configure serial ..."
#endif
#include <asm/io.h>
#include <serial.h>
/* Multi serial device functions */
#define DECLARE_S3C_SERIAL_FUNCTIONS(port) \
int s3serial##port##_init(void) \
{ \
return serial_init_dev(port); \
} \
void s3serial##port##_setbrg(void) \
{ \
serial_setbrg_dev(port); \
} \
int s3serial##port##_getc(void) \
{ \
return serial_getc_dev(port); \
} \
int s3serial##port##_tstc(void) \
{ \
return serial_tstc_dev(port); \
} \
void s3serial##port##_putc(const char c) \
{ \
serial_putc_dev(port, c); \
} \
void s3serial##port##_puts(const char *s) \
{ \
serial_puts_dev(port, s); \
}
#define INIT_S3C_SERIAL_STRUCTURE(port, __name) { \
.name = __name, \
.start = s3serial##port##_init, \
.stop = NULL, \
.setbrg = s3serial##port##_setbrg, \
.getc = s3serial##port##_getc, \
.tstc = s3serial##port##_tstc, \
.putc = s3serial##port##_putc, \
.puts = s3serial##port##_puts, \
}
static void _serial_setbrg(const int dev_index)
{
struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
unsigned int reg = 0;
int i;
/* value is calculated so : (int)(PCLK/16./baudrate) -1 */
reg = get_PCLK() / (16 * gd->baudrate) - 1;
writel(reg, &uart->ubrdiv);
for (i = 0; i < 100; i++)
/* Delay */ ;
}
static inline void serial_setbrg_dev(unsigned int dev_index)
{
_serial_setbrg(dev_index);
}
/* Initialise the serial port. The settings are always 8 data bits, no parity,
* 1 stop bit, no start bits.
*/
static int serial_init_dev(const int dev_index)
{
struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
/* FIFO enable, Tx/Rx FIFO clear */
writel(0x07, &uart->ufcon);
writel(0x0, &uart->umcon);
/* Normal,No parity,1 stop,8 bit */
writel(0x3, &uart->ulcon);
/*
* tx=level,rx=edge,disable timeout int.,enable rx error int.,
* normal,interrupt or polling
*/
writel(0x245, &uart->ucon);
_serial_setbrg(dev_index);
return (0);
}
/*
* 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 _serial_getc(const int dev_index)
{
struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
while (!(readl(&uart->utrstat) & 0x1))
/* wait for character to arrive */ ;
return readb(&uart->urxh) & 0xff;
}
static inline int serial_getc_dev(unsigned int dev_index)
{
return _serial_getc(dev_index);
}
/*
* Output a single byte to the serial port.
*/
static void _serial_putc(const char c, const int dev_index)
{
struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
/* If \n, also do \r */
if (c == '\n')
serial_putc('\r');
while (!(readl(&uart->utrstat) & 0x2))
/* wait for room in the tx FIFO */ ;
writeb(c, &uart->utxh);
}
static inline void serial_putc_dev(unsigned int dev_index, const char c)
{
_serial_putc(c, dev_index);
}
/*
* Test whether a character is in the RX buffer
*/
static int _serial_tstc(const int dev_index)
{
struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
return readl(&uart->utrstat) & 0x1;
}
static inline int serial_tstc_dev(unsigned int dev_index)
{
return _serial_tstc(dev_index);
}
static void _serial_puts(const char *s, const int dev_index)
{
while (*s) {
_serial_putc(*s++, dev_index);
}
}
static inline void serial_puts_dev(int dev_index, const char *s)
{
_serial_puts(s, dev_index);
}
DECLARE_S3C_SERIAL_FUNCTIONS(0);
struct serial_device s3c24xx_serial0_device =
INIT_S3C_SERIAL_STRUCTURE(0, "s3ser0");
DECLARE_S3C_SERIAL_FUNCTIONS(1);
struct serial_device s3c24xx_serial1_device =
INIT_S3C_SERIAL_STRUCTURE(1, "s3ser1");
DECLARE_S3C_SERIAL_FUNCTIONS(2);
struct serial_device s3c24xx_serial2_device =
INIT_S3C_SERIAL_STRUCTURE(2, "s3ser2");
__weak struct serial_device *default_serial_console(void)
{
#if defined(CONFIG_SERIAL1)
return &s3c24xx_serial0_device;
#elif defined(CONFIG_SERIAL2)
return &s3c24xx_serial1_device;
#elif defined(CONFIG_SERIAL3)
return &s3c24xx_serial2_device;
#else
#error "CONFIG_SERIAL? missing."
#endif
}
void s3c24xx_serial_initialize(void)
{
serial_register(&s3c24xx_serial0_device);
serial_register(&s3c24xx_serial1_device);
serial_register(&s3c24xx_serial2_device);
}

1
scripts/config_whitelist.txt
View File

@ -3805,7 +3805,6 @@ CONFIG_S3C2410_NAND_BBT
CONFIG_S3C2410_NAND_HWECC CONFIG_S3C2410_NAND_HWECC
CONFIG_S3C2440 CONFIG_S3C2440
CONFIG_S3C24X0 CONFIG_S3C24X0
CONFIG_S3C24X0_SERIAL
CONFIG_S3C24XX_CUSTOM_NAND_TIMING CONFIG_S3C24XX_CUSTOM_NAND_TIMING
CONFIG_S3C24XX_TACLS CONFIG_S3C24XX_TACLS
CONFIG_S3C24XX_TWRPH0 CONFIG_S3C24XX_TWRPH0