1/* arch/arm/plat-samsung/include/plat/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, Copyright 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 (S3C_VA_UART) 36#define S3C24XX_VA_UART1 (S3C_VA_UART + 0x4000 ) 37#define S3C24XX_VA_UART2 (S3C_VA_UART + 0x8000 ) 38#define S3C24XX_VA_UART3 (S3C_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 S3C6400_UCON_CLKMASK (3<<10) 81#define S3C6400_UCON_PCLK (0<<10) 82#define S3C6400_UCON_PCLK2 (2<<10) 83#define S3C6400_UCON_UCLK0 (1<<10) 84#define S3C6400_UCON_UCLK1 (3<<10) 85 86#define S3C2440_UCON2_FCLK_EN (1<<15) 87#define S3C2440_UCON0_DIVMASK (15 << 12) 88#define S3C2440_UCON1_DIVMASK (15 << 12) 89#define S3C2440_UCON2_DIVMASK (7 << 12) 90#define S3C2440_UCON_DIVSHIFT (12) 91 92#define S3C2412_UCON_CLKMASK (3<<10) 93#define S3C2412_UCON_UCLK (1<<10) 94#define S3C2412_UCON_USYSCLK (3<<10) 95#define S3C2412_UCON_PCLK (0<<10) 96#define S3C2412_UCON_PCLK2 (2<<10) 97 98#define S3C2410_UCON_UCLK (1<<10) 99#define S3C2410_UCON_SBREAK (1<<4) 100 101#define S3C2410_UCON_TXILEVEL (1<<9) 102#define S3C2410_UCON_RXILEVEL (1<<8) 103#define S3C2410_UCON_TXIRQMODE (1<<2) 104#define S3C2410_UCON_RXIRQMODE (1<<0) 105#define S3C2410_UCON_RXFIFO_TOI (1<<7) 106#define S3C2443_UCON_RXERR_IRQEN (1<<6) 107#define S3C2443_UCON_LOOPBACK (1<<5) 108 109#define S3C2410_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ 110 S3C2410_UCON_RXILEVEL | \ 111 S3C2410_UCON_TXIRQMODE | \ 112 S3C2410_UCON_RXIRQMODE | \ 113 S3C2410_UCON_RXFIFO_TOI) 114 115#define S3C2410_UFCON_FIFOMODE (1<<0) 116#define S3C2410_UFCON_TXTRIG0 (0<<6) 117#define S3C2410_UFCON_RXTRIG8 (1<<4) 118#define S3C2410_UFCON_RXTRIG12 (2<<4) 119 120/* S3C2440 FIFO trigger levels */ 121#define S3C2440_UFCON_RXTRIG1 (0<<4) 122#define S3C2440_UFCON_RXTRIG8 (1<<4) 123#define S3C2440_UFCON_RXTRIG16 (2<<4) 124#define S3C2440_UFCON_RXTRIG32 (3<<4) 125 126#define S3C2440_UFCON_TXTRIG0 (0<<6) 127#define S3C2440_UFCON_TXTRIG16 (1<<6) 128#define S3C2440_UFCON_TXTRIG32 (2<<6) 129#define S3C2440_UFCON_TXTRIG48 (3<<6) 130 131#define S3C2410_UFCON_RESETBOTH (3<<1) 132#define S3C2410_UFCON_RESETTX (1<<2) 133#define S3C2410_UFCON_RESETRX (1<<1) 134 135#define S3C2410_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \ 136 S3C2410_UFCON_TXTRIG0 | \ 137 S3C2410_UFCON_RXTRIG8 ) 138 139#define S3C2410_UMCOM_AFC (1<<4) 140#define S3C2410_UMCOM_RTS_LOW (1<<0) 141 142#define S3C2412_UMCON_AFC_63 (0<<5) /* same as s3c2443 */ 143#define S3C2412_UMCON_AFC_56 (1<<5) 144#define S3C2412_UMCON_AFC_48 (2<<5) 145#define S3C2412_UMCON_AFC_40 (3<<5) 146#define S3C2412_UMCON_AFC_32 (4<<5) 147#define S3C2412_UMCON_AFC_24 (5<<5) 148#define S3C2412_UMCON_AFC_16 (6<<5) 149#define S3C2412_UMCON_AFC_8 (7<<5) 150 151#define S3C2410_UFSTAT_TXFULL (1<<9) 152#define S3C2410_UFSTAT_RXFULL (1<<8) 153#define S3C2410_UFSTAT_TXMASK (15<<4) 154#define S3C2410_UFSTAT_TXSHIFT (4) 155#define S3C2410_UFSTAT_RXMASK (15<<0) 156#define S3C2410_UFSTAT_RXSHIFT (0) 157 158/* UFSTAT S3C24A0 */ 159#define S3C24A0_UFSTAT_TXFULL (1 << 14) 160#define S3C24A0_UFSTAT_RXFULL (1 << 6) 161#define S3C24A0_UFSTAT_TXMASK (63 << 8) 162#define S3C24A0_UFSTAT_TXSHIFT (8) 163#define S3C24A0_UFSTAT_RXMASK (63) 164#define S3C24A0_UFSTAT_RXSHIFT (0) 165 166/* UFSTAT S3C2443 same as S3C2440 */ 167#define S3C2440_UFSTAT_TXFULL (1<<14) 168#define S3C2440_UFSTAT_RXFULL (1<<6) 169#define S3C2440_UFSTAT_TXSHIFT (8) 170#define S3C2440_UFSTAT_RXSHIFT (0) 171#define S3C2440_UFSTAT_TXMASK (63<<8) 172#define S3C2440_UFSTAT_RXMASK (63) 173 174#define S3C2410_UTRSTAT_TXE (1<<2) 175#define S3C2410_UTRSTAT_TXFE (1<<1) 176#define S3C2410_UTRSTAT_RXDR (1<<0) 177 178#define S3C2410_UERSTAT_OVERRUN (1<<0) 179#define S3C2410_UERSTAT_FRAME (1<<2) 180#define S3C2410_UERSTAT_BREAK (1<<3) 181#define S3C2443_UERSTAT_PARITY (1<<1) 182 183#define S3C2410_UERSTAT_ANY (S3C2410_UERSTAT_OVERRUN | \ 184 S3C2410_UERSTAT_FRAME | \ 185 S3C2410_UERSTAT_BREAK) 186 187#define S3C2410_UMSTAT_CTS (1<<0) 188#define S3C2410_UMSTAT_DeltaCTS (1<<2) 189 190#define S3C2443_DIVSLOT (0x2C) 191 192/* S3C64XX interrupt registers. */ 193#define S3C64XX_UINTP 0x30 194#define S3C64XX_UINTSP 0x34 195#define S3C64XX_UINTM 0x38 196 197/* Following are specific to S5PV210 and S5P6442 */ 198#define S5PV210_UCON_CLKMASK (1<<10) 199#define S5PV210_UCON_PCLK (0<<10) 200#define S5PV210_UCON_UCLK (1<<10) 201 202#define S5PV210_UFCON_TXTRIG0 (0<<8) 203#define S5PV210_UFCON_TXTRIG4 (1<<8) 204#define S5PV210_UFCON_TXTRIG8 (2<<8) 205#define S5PV210_UFCON_TXTRIG16 (3<<8) 206#define S5PV210_UFCON_TXTRIG32 (4<<8) 207#define S5PV210_UFCON_TXTRIG64 (5<<8) 208#define S5PV210_UFCON_TXTRIG128 (6<<8) 209#define S5PV210_UFCON_TXTRIG256 (7<<8) 210 211#define S5PV210_UFCON_RXTRIG1 (0<<4) 212#define S5PV210_UFCON_RXTRIG4 (1<<4) 213#define S5PV210_UFCON_RXTRIG8 (2<<4) 214#define S5PV210_UFCON_RXTRIG16 (3<<4) 215#define S5PV210_UFCON_RXTRIG32 (4<<4) 216#define S5PV210_UFCON_RXTRIG64 (5<<4) 217#define S5PV210_UFCON_RXTRIG128 (6<<4) 218#define S5PV210_UFCON_RXTRIG256 (7<<4) 219 220#define S5PV210_UFSTAT_TXFULL (1<<24) 221#define S5PV210_UFSTAT_RXFULL (1<<8) 222#define S5PV210_UFSTAT_TXMASK (255<<16) 223#define S5PV210_UFSTAT_TXSHIFT (16) 224#define S5PV210_UFSTAT_RXMASK (255<<0) 225#define S5PV210_UFSTAT_RXSHIFT (0) 226 227#ifndef __ASSEMBLY__ 228 229/* struct s3c24xx_uart_clksrc 230 * 231 * this structure defines a named clock source that can be used for the 232 * uart, so that the best clock can be selected for the requested baud 233 * rate. 234 * 235 * min_baud and max_baud define the range of baud-rates this clock is 236 * acceptable for, if they are both zero, it is assumed any baud rate that 237 * can be generated from this clock will be used. 238 * 239 * divisor gives the divisor from the clock to the one seen by the uart 240*/ 241 242struct s3c24xx_uart_clksrc { 243 const char *name; 244 unsigned int divisor; 245 unsigned int min_baud; 246 unsigned int max_baud; 247}; 248 249/* configuration structure for per-machine configurations for the 250 * serial port 251 * 252 * the pointer is setup by the machine specific initialisation from the 253 * arch/arm/mach-s3c2410/ directory. 254*/ 255 256struct s3c2410_uartcfg { 257 unsigned char hwport; /* hardware port number */ 258 unsigned char unused; 259 unsigned short flags; 260 upf_t uart_flags; /* default uart flags */ 261 262 unsigned int has_fracval; 263 264 unsigned long ucon; /* value of ucon for port */ 265 unsigned long ulcon; /* value of ulcon for port */ 266 unsigned long ufcon; /* value of ufcon for port */ 267 268 struct s3c24xx_uart_clksrc *clocks; 269 unsigned int clocks_size; 270}; 271 272/* s3c24xx_uart_devs 273 * 274 * this is exported from the core as we cannot use driver_register(), 275 * or platform_add_device() before the console_initcall() 276*/ 277 278extern struct platform_device *s3c24xx_uart_devs[4]; 279 280#endif /* __ASSEMBLY__ */ 281 282#endif /* __ASM_ARM_REGS_SERIAL_H */ 283