serial: Drop the s3c24x0 serial driver

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>

serial: Drop the s3c24x0 serial driver
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>
Simon Glass · Tom Rini
1 parent 950c3f700c
Showing 4 changed files with 0 additions and 211 deletions Side-by-side Diff
doc/driver-model/serial-howto.txt
drivers/serial/Makefile
drivers/serial/serial_s3c24x0.c
scripts/config_whitelist.txt
@@ -6,7 +6,6 @@
  
    serial_bfin.c
    serial_pxa.c
-   serial_s3c24x0.c
  
 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!
@@ -31,7 +31,6 @@
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_ROCKCHIP_SERIAL) += serial_rockchip.o
 endif
-obj-$(CONFIG_S3C24X0_SERIAL) += serial_s3c24x0.o
 obj-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o
 obj-$(CONFIG_SANDBOX_SERIAL) += sandbox.o
 obj-$(CONFIG_SCIF_CONSOLE) += serial_sh.o
-/*
- * (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);
-}
@@ -3805,7 +3805,6 @@
 CONFIG_S3C2410_NAND_HWECC
 CONFIG_S3C2440
 CONFIG_S3C24X0
-CONFIG_S3C24X0_SERIAL
 CONFIG_S3C24XX_CUSTOM_NAND_TIMING
 CONFIG_S3C24XX_TACLS
 CONFIG_S3C24XX_TWRPH0
...	...	@@ -6,7 +6,6 @@
6	6
7	7	serial_bfin.c
8	8	serial_pxa.c
9		- serial_s3c24x0.c
10	9
11	10	The deadline for this work was the end of January 2016. If no one steps
12	11	forward to convert these, at some point there may come a patch to remove them!
...	...	@@ -31,7 +31,6 @@
31	31	ifdef CONFIG_SPL_BUILD
32	32	obj-$(CONFIG_ROCKCHIP_SERIAL) += serial_rockchip.o
33	33	endif
34		-obj-$(CONFIG_S3C24X0_SERIAL) += serial_s3c24x0.o
35	34	obj-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o
36	35	obj-$(CONFIG_SANDBOX_SERIAL) += sandbox.o
37	36	obj-$(CONFIG_SCIF_CONSOLE) += serial_sh.o
1		-/*
2		- * (C) Copyright 2002
3		- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
4		- *
5		- * SPDX-License-Identifier: GPL-2.0+
6		- */
7		-
8		-#include <common.h>
9		-#include <linux/compiler.h>
10		-#include <asm/arch/s3c24x0_cpu.h>
11		-
12		-DECLARE_GLOBAL_DATA_PTR;
13		-
14		-#ifdef CONFIG_SERIAL1
15		-#define UART_NR S3C24X0_UART0
16		-
17		-#elif defined(CONFIG_SERIAL2)
18		-#define UART_NR S3C24X0_UART1
19		-
20		-#elif defined(CONFIG_SERIAL3)
21		-#define UART_NR S3C24X0_UART2
22		-
23		-#else
24		-#error "Bad: you didn't configure serial ..."
25		-#endif
26		-
27		-#include <asm/io.h>
28		-#include <serial.h>
29		-
30		-/* Multi serial device functions */
31		-#define DECLARE_S3C_SERIAL_FUNCTIONS(port) \
32		- int s3serial##port##_init(void) \
33		- { \
34		- return serial_init_dev(port); \
35		- } \
36		- void s3serial##port##_setbrg(void) \
37		- { \
38		- serial_setbrg_dev(port); \
39		- } \
40		- int s3serial##port##_getc(void) \
41		- { \
42		- return serial_getc_dev(port); \
43		- } \
44		- int s3serial##port##_tstc(void) \
45		- { \
46		- return serial_tstc_dev(port); \
47		- } \
48		- void s3serial##port##_putc(const char c) \
49		- { \
50		- serial_putc_dev(port, c); \
51		- } \
52		- void s3serial##port##_puts(const char *s) \
53		- { \
54		- serial_puts_dev(port, s); \
55		- }
56		-
57		-#define INIT_S3C_SERIAL_STRUCTURE(port, __name) { \
58		- .name = __name, \
59		- .start = s3serial##port##_init, \
60		- .stop = NULL, \
61		- .setbrg = s3serial##port##_setbrg, \
62		- .getc = s3serial##port##_getc, \
63		- .tstc = s3serial##port##_tstc, \
64		- .putc = s3serial##port##_putc, \
65		- .puts = s3serial##port##_puts, \
66		-}
67		-
68		-static void _serial_setbrg(const int dev_index)
69		-{
70		- struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
71		- unsigned int reg = 0;
72		- int i;
73		-
74		- /* value is calculated so : (int)(PCLK/16./baudrate) -1 */
75		- reg = get_PCLK() / (16 * gd->baudrate) - 1;
76		-
77		- writel(reg, &uart->ubrdiv);
78		- for (i = 0; i < 100; i++)
79		- /* Delay */ ;
80		-}
81		-
82		-static inline void serial_setbrg_dev(unsigned int dev_index)
83		-{
84		- _serial_setbrg(dev_index);
85		-}
86		-
87		-/* Initialise the serial port. The settings are always 8 data bits, no parity,
88		- * 1 stop bit, no start bits.
89		- */
90		-static int serial_init_dev(const int dev_index)
91		-{
92		- struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
93		-
94		- /* FIFO enable, Tx/Rx FIFO clear */
95		- writel(0x07, &uart->ufcon);
96		- writel(0x0, &uart->umcon);
97		-
98		- /* Normal,No parity,1 stop,8 bit */
99		- writel(0x3, &uart->ulcon);
100		- /*
101		- * tx=level,rx=edge,disable timeout int.,enable rx error int.,
102		- * normal,interrupt or polling
103		- */
104		- writel(0x245, &uart->ucon);
105		-
106		- _serial_setbrg(dev_index);
107		-
108		- return (0);
109		-}
110		-
111		-/*
112		- * Read a single byte from the serial port. Returns 1 on success, 0
113		- * otherwise. When the function is succesfull, the character read is
114		- * written into its argument c.
115		- */
116		-static int _serial_getc(const int dev_index)
117		-{
118		- struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
119		-
120		- while (!(readl(&uart->utrstat) & 0x1))
121		- /* wait for character to arrive */ ;
122		-
123		- return readb(&uart->urxh) & 0xff;
124		-}
125		-
126		-static inline int serial_getc_dev(unsigned int dev_index)
127		-{
128		- return _serial_getc(dev_index);
129		-}
130		-
131		-/*
132		- * Output a single byte to the serial port.
133		- */
134		-static void _serial_putc(const char c, const int dev_index)
135		-{
136		- struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
137		-
138		- /* If \n, also do \r */
139		- if (c == '\n')
140		- serial_putc('\r');
141		-
142		- while (!(readl(&uart->utrstat) & 0x2))
143		- /* wait for room in the tx FIFO */ ;
144		-
145		- writeb(c, &uart->utxh);
146		-}
147		-
148		-static inline void serial_putc_dev(unsigned int dev_index, const char c)
149		-{
150		- _serial_putc(c, dev_index);
151		-}
152		-
153		-/*
154		- * Test whether a character is in the RX buffer
155		- */
156		-static int _serial_tstc(const int dev_index)
157		-{
158		- struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
159		-
160		- return readl(&uart->utrstat) & 0x1;
161		-}
162		-
163		-static inline int serial_tstc_dev(unsigned int dev_index)
164		-{
165		- return _serial_tstc(dev_index);
166		-}
167		-
168		-static void _serial_puts(const char *s, const int dev_index)
169		-{
170		- while (*s) {
171		- _serial_putc(*s++, dev_index);
172		- }
173		-}
174		-
175		-static inline void serial_puts_dev(int dev_index, const char *s)
176		-{
177		- _serial_puts(s, dev_index);
178		-}
179		-
180		-DECLARE_S3C_SERIAL_FUNCTIONS(0);
181		-struct serial_device s3c24xx_serial0_device =
182		-INIT_S3C_SERIAL_STRUCTURE(0, "s3ser0");
183		-DECLARE_S3C_SERIAL_FUNCTIONS(1);
184		-struct serial_device s3c24xx_serial1_device =
185		-INIT_S3C_SERIAL_STRUCTURE(1, "s3ser1");
186		-DECLARE_S3C_SERIAL_FUNCTIONS(2);
187		-struct serial_device s3c24xx_serial2_device =
188		-INIT_S3C_SERIAL_STRUCTURE(2, "s3ser2");
189		-
190		-__weak struct serial_device *default_serial_console(void)
191		-{
192		-#if defined(CONFIG_SERIAL1)
193		- return &s3c24xx_serial0_device;
194		-#elif defined(CONFIG_SERIAL2)
195		- return &s3c24xx_serial1_device;
196		-#elif defined(CONFIG_SERIAL3)
197		- return &s3c24xx_serial2_device;
198		-#else
199		-#error "CONFIG_SERIAL? missing."
200		-#endif
201		-}
202		-
203		-void s3c24xx_serial_initialize(void)
204		-{
205		- serial_register(&s3c24xx_serial0_device);
206		- serial_register(&s3c24xx_serial1_device);
207		- serial_register(&s3c24xx_serial2_device);
208		-}
...	...	@@ -3805,7 +3805,6 @@
3805	3805	CONFIG_S3C2410_NAND_HWECC
3806	3806	CONFIG_S3C2440
3807	3807	CONFIG_S3C24X0
3808		-CONFIG_S3C24X0_SERIAL
3809	3808	CONFIG_S3C24XX_CUSTOM_NAND_TIMING
3810	3809	CONFIG_S3C24XX_TACLS
3811	3810	CONFIG_S3C24XX_TWRPH0