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diff --git a/include/asm-arm/plat-s3c/regs-serial.h b/include/asm-arm/plat-s3c/regs-serial.h
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1/* linux/include/asm-arm/arch-s3c2410/regs-serial.h
2 *
3 * From linux/include/asm-arm/hardware/serial_s3c2410.h
4 *
5 * Internal header file for Samsung S3C2410 serial ports (UART0-2)
6 *
7 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
8 *
9 * Additional defines, (c) 2003 Simtec Electronics (linux@simtec.co.uk)
10 *
11 * Adapted from:
12 *
13 * Internal header file for MX1ADS serial ports (UART1 & 2)
14 *
15 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
16 *
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2 of the License, or
20 * (at your option) any later version.
21 *
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
26 *
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30*/
31
32#ifndef __ASM_ARM_REGS_SERIAL_H
33#define __ASM_ARM_REGS_SERIAL_H
34
35#define S3C24XX_VA_UART0 (S3C24XX_VA_UART)
36#define S3C24XX_VA_UART1 (S3C24XX_VA_UART + 0x4000 )
37#define S3C24XX_VA_UART2 (S3C24XX_VA_UART + 0x8000 )
38#define S3C24XX_VA_UART3 (S3C24XX_VA_UART + 0xC000 )
39
40#define S3C2410_PA_UART0 (S3C24XX_PA_UART)
41#define S3C2410_PA_UART1 (S3C24XX_PA_UART + 0x4000 )
42#define S3C2410_PA_UART2 (S3C24XX_PA_UART + 0x8000 )
43#define S3C2443_PA_UART3 (S3C24XX_PA_UART + 0xC000 )
44
45#define S3C2410_URXH (0x24)
46#define S3C2410_UTXH (0x20)
47#define S3C2410_ULCON (0x00)
48#define S3C2410_UCON (0x04)
49#define S3C2410_UFCON (0x08)
50#define S3C2410_UMCON (0x0C)
51#define S3C2410_UBRDIV (0x28)
52#define S3C2410_UTRSTAT (0x10)
53#define S3C2410_UERSTAT (0x14)
54#define S3C2410_UFSTAT (0x18)
55#define S3C2410_UMSTAT (0x1C)
56
57#define S3C2410_LCON_CFGMASK ((0xF<<3)|(0x3))
58
59#define S3C2410_LCON_CS5 (0x0)
60#define S3C2410_LCON_CS6 (0x1)
61#define S3C2410_LCON_CS7 (0x2)
62#define S3C2410_LCON_CS8 (0x3)
63#define S3C2410_LCON_CSMASK (0x3)
64
65#define S3C2410_LCON_PNONE (0x0)
66#define S3C2410_LCON_PEVEN (0x5 << 3)
67#define S3C2410_LCON_PODD (0x4 << 3)
68#define S3C2410_LCON_PMASK (0x7 << 3)
69
70#define S3C2410_LCON_STOPB (1<<2)
71#define S3C2410_LCON_IRM (1<<6)
72
73#define S3C2440_UCON_CLKMASK (3<<10)
74#define S3C2440_UCON_PCLK (0<<10)
75#define S3C2440_UCON_UCLK (1<<10)
76#define S3C2440_UCON_PCLK2 (2<<10)
77#define S3C2440_UCON_FCLK (3<<10)
78#define S3C2443_UCON_EPLL (3<<10)
79
80#define S3C2440_UCON2_FCLK_EN (1<<15)
81#define S3C2440_UCON0_DIVMASK (15 << 12)
82#define S3C2440_UCON1_DIVMASK (15 << 12)
83#define S3C2440_UCON2_DIVMASK (7 << 12)
84#define S3C2440_UCON_DIVSHIFT (12)
85
86#define S3C2412_UCON_CLKMASK (3<<10)
87#define S3C2412_UCON_UCLK (1<<10)
88#define S3C2412_UCON_USYSCLK (3<<10)
89#define S3C2412_UCON_PCLK (0<<10)
90#define S3C2412_UCON_PCLK2 (2<<10)
91
92#define S3C2410_UCON_UCLK (1<<10)
93#define S3C2410_UCON_SBREAK (1<<4)
94
95#define S3C2410_UCON_TXILEVEL (1<<9)
96#define S3C2410_UCON_RXILEVEL (1<<8)
97#define S3C2410_UCON_TXIRQMODE (1<<2)
98#define S3C2410_UCON_RXIRQMODE (1<<0)
99#define S3C2410_UCON_RXFIFO_TOI (1<<7)
100#define S3C2443_UCON_RXERR_IRQEN (1<<6)
101#define S3C2443_UCON_LOOPBACK (1<<5)
102
103#define S3C2410_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
104 S3C2410_UCON_RXILEVEL | \
105 S3C2410_UCON_TXIRQMODE | \
106 S3C2410_UCON_RXIRQMODE | \
107 S3C2410_UCON_RXFIFO_TOI)
108
109#define S3C2410_UFCON_FIFOMODE (1<<0)
110#define S3C2410_UFCON_TXTRIG0 (0<<6)
111#define S3C2410_UFCON_RXTRIG8 (1<<4)
112#define S3C2410_UFCON_RXTRIG12 (2<<4)
113
114/* S3C2440 FIFO trigger levels */
115#define S3C2440_UFCON_RXTRIG1 (0<<4)
116#define S3C2440_UFCON_RXTRIG8 (1<<4)
117#define S3C2440_UFCON_RXTRIG16 (2<<4)
118#define S3C2440_UFCON_RXTRIG32 (3<<4)
119
120#define S3C2440_UFCON_TXTRIG0 (0<<6)
121#define S3C2440_UFCON_TXTRIG16 (1<<6)
122#define S3C2440_UFCON_TXTRIG32 (2<<6)
123#define S3C2440_UFCON_TXTRIG48 (3<<6)
124
125#define S3C2410_UFCON_RESETBOTH (3<<1)
126#define S3C2410_UFCON_RESETTX (1<<2)
127#define S3C2410_UFCON_RESETRX (1<<1)
128
129#define S3C2410_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
130 S3C2410_UFCON_TXTRIG0 | \
131 S3C2410_UFCON_RXTRIG8 )
132
133#define S3C2410_UMCOM_AFC (1<<4)
134#define S3C2410_UMCOM_RTS_LOW (1<<0)
135
136#define S3C2412_UMCON_AFC_63 (0<<5) /* same as s3c2443 */
137#define S3C2412_UMCON_AFC_56 (1<<5)
138#define S3C2412_UMCON_AFC_48 (2<<5)
139#define S3C2412_UMCON_AFC_40 (3<<5)
140#define S3C2412_UMCON_AFC_32 (4<<5)
141#define S3C2412_UMCON_AFC_24 (5<<5)
142#define S3C2412_UMCON_AFC_16 (6<<5)
143#define S3C2412_UMCON_AFC_8 (7<<5)
144
145#define S3C2410_UFSTAT_TXFULL (1<<9)
146#define S3C2410_UFSTAT_RXFULL (1<<8)
147#define S3C2410_UFSTAT_TXMASK (15<<4)
148#define S3C2410_UFSTAT_TXSHIFT (4)
149#define S3C2410_UFSTAT_RXMASK (15<<0)
150#define S3C2410_UFSTAT_RXSHIFT (0)
151
152/* UFSTAT S3C2443 same as S3C2440 */
153#define S3C2440_UFSTAT_TXFULL (1<<14)
154#define S3C2440_UFSTAT_RXFULL (1<<6)
155#define S3C2440_UFSTAT_TXSHIFT (8)
156#define S3C2440_UFSTAT_RXSHIFT (0)
157#define S3C2440_UFSTAT_TXMASK (63<<8)
158#define S3C2440_UFSTAT_RXMASK (63)
159
160#define S3C2410_UTRSTAT_TXE (1<<2)
161#define S3C2410_UTRSTAT_TXFE (1<<1)
162#define S3C2410_UTRSTAT_RXDR (1<<0)
163
164#define S3C2410_UERSTAT_OVERRUN (1<<0)
165#define S3C2410_UERSTAT_FRAME (1<<2)
166#define S3C2410_UERSTAT_BREAK (1<<3)
167#define S3C2443_UERSTAT_PARITY (1<<1)
168
169#define S3C2410_UERSTAT_ANY (S3C2410_UERSTAT_OVERRUN | \
170 S3C2410_UERSTAT_FRAME | \
171 S3C2410_UERSTAT_BREAK)
172
173#define S3C2410_UMSTAT_CTS (1<<0)
174#define S3C2410_UMSTAT_DeltaCTS (1<<2)
175
176#define S3C2443_DIVSLOT (0x2C)
177
178#ifndef __ASSEMBLY__
179
180/* struct s3c24xx_uart_clksrc
181 *
182 * this structure defines a named clock source that can be used for the
183 * uart, so that the best clock can be selected for the requested baud
184 * rate.
185 *
186 * min_baud and max_baud define the range of baud-rates this clock is
187 * acceptable for, if they are both zero, it is assumed any baud rate that
188 * can be generated from this clock will be used.
189 *
190 * divisor gives the divisor from the clock to the one seen by the uart
191*/
192
193struct s3c24xx_uart_clksrc {
194 const char *name;
195 unsigned int divisor;
196 unsigned int min_baud;
197 unsigned int max_baud;
198};
199
200/* configuration structure for per-machine configurations for the
201 * serial port
202 *
203 * the pointer is setup by the machine specific initialisation from the
204 * arch/arm/mach-s3c2410/ directory.
205*/
206
207struct s3c2410_uartcfg {
208 unsigned char hwport; /* hardware port number */
209 unsigned char unused;
210 unsigned short flags;
211 upf_t uart_flags; /* default uart flags */
212
213 unsigned long ucon; /* value of ucon for port */
214 unsigned long ulcon; /* value of ulcon for port */
215 unsigned long ufcon; /* value of ufcon for port */
216
217 struct s3c24xx_uart_clksrc *clocks;
218 unsigned int clocks_size;
219};
220
221/* s3c24xx_uart_devs
222 *
223 * this is exported from the core as we cannot use driver_register(),
224 * or platform_add_device() before the console_initcall()
225*/
226
227extern struct platform_device *s3c24xx_uart_devs[3];
228
229#endif /* __ASSEMBLY__ */
230
231#endif /* __ASM_ARM_REGS_SERIAL_H */
232