1 files changed, 232 insertions, 0 deletions

diff --git a/arch/arm/plat-s3c/include/plat/regs-serial.h b/arch/arm/plat-s3c/include/plat/regs-serial.h
new file mode 100644
index 000000000000..a0daa647b92c
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/regs-serial.h
@@ -0,0 +1,232 @@
+/* arch/arm/mach-s3c2410/include/mach/regs-serial.h
+ *
+ *  From linux/include/asm-arm/hardware/serial_s3c2410.h
+ *
+ *  Internal header file for Samsung S3C2410 serial ports (UART0-2)
+ *
+ *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
+ *
+ *  Additional defines, (c) 2003 Simtec Electronics (linux@simtec.co.uk)
+ *
+ *  Adapted from:
+ *
+ *  Internal header file for MX1ADS serial ports (UART1 & 2)
+ *
+ *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#ifndef __ASM_ARM_REGS_SERIAL_H
+#define __ASM_ARM_REGS_SERIAL_H
+
+#define S3C24XX_VA_UART0      (S3C_VA_UART)
+#define S3C24XX_VA_UART1      (S3C_VA_UART + 0x4000 )
+#define S3C24XX_VA_UART2      (S3C_VA_UART + 0x8000 )
+#define S3C24XX_VA_UART3      (S3C_VA_UART + 0xC000 )
+
+#define S3C2410_PA_UART0      (S3C24XX_PA_UART)
+#define S3C2410_PA_UART1      (S3C24XX_PA_UART + 0x4000 )
+#define S3C2410_PA_UART2      (S3C24XX_PA_UART + 0x8000 )
+#define S3C2443_PA_UART3      (S3C24XX_PA_UART + 0xC000 )
+
+#define S3C2410_URXH      (0x24)
+#define S3C2410_UTXH      (0x20)
+#define S3C2410_ULCON     (0x00)
+#define S3C2410_UCON      (0x04)
+#define S3C2410_UFCON     (0x08)
+#define S3C2410_UMCON     (0x0C)
+#define S3C2410_UBRDIV    (0x28)
+#define S3C2410_UTRSTAT   (0x10)
+#define S3C2410_UERSTAT   (0x14)
+#define S3C2410_UFSTAT    (0x18)
+#define S3C2410_UMSTAT    (0x1C)
+
+#define S3C2410_LCON_CFGMASK      ((0xF<<3)|(0x3))
+
+#define S3C2410_LCON_CS5          (0x0)
+#define S3C2410_LCON_CS6          (0x1)
+#define S3C2410_LCON_CS7          (0x2)
+#define S3C2410_LCON_CS8          (0x3)
+#define S3C2410_LCON_CSMASK       (0x3)
+
+#define S3C2410_LCON_PNONE        (0x0)
+#define S3C2410_LCON_PEVEN        (0x5 << 3)
+#define S3C2410_LCON_PODD         (0x4 << 3)
+#define S3C2410_LCON_PMASK        (0x7 << 3)
+
+#define S3C2410_LCON_STOPB        (1<<2)
+#define S3C2410_LCON_IRM          (1<<6)
+
+#define S3C2440_UCON_CLKMASK      (3<<10)
+#define S3C2440_UCON_PCLK         (0<<10)
+#define S3C2440_UCON_UCLK         (1<<10)
+#define S3C2440_UCON_PCLK2        (2<<10)
+#define S3C2440_UCON_FCLK         (3<<10)
+#define S3C2443_UCON_EPLL         (3<<10)
+
+#define S3C2440_UCON2_FCLK_EN     (1<<15)
+#define S3C2440_UCON0_DIVMASK     (15 << 12)
+#define S3C2440_UCON1_DIVMASK     (15 << 12)
+#define S3C2440_UCON2_DIVMASK     (7 << 12)
+#define S3C2440_UCON_DIVSHIFT     (12)
+
+#define S3C2412_UCON_CLKMASK    (3<<10)
+#define S3C2412_UCON_UCLK       (1<<10)
+#define S3C2412_UCON_USYSCLK    (3<<10)
+#define S3C2412_UCON_PCLK       (0<<10)
+#define S3C2412_UCON_PCLK2      (2<<10)
+
+#define S3C2410_UCON_UCLK         (1<<10)
+#define S3C2410_UCON_SBREAK       (1<<4)
+
+#define S3C2410_UCON_TXILEVEL     (1<<9)
+#define S3C2410_UCON_RXILEVEL     (1<<8)
+#define S3C2410_UCON_TXIRQMODE    (1<<2)
+#define S3C2410_UCON_RXIRQMODE    (1<<0)
+#define S3C2410_UCON_RXFIFO_TOI   (1<<7)
+#define S3C2443_UCON_RXERR_IRQEN  (1<<6)
+#define S3C2443_UCON_LOOPBACK     (1<<5)
+
+#define S3C2410_UCON_DEFAULT      (S3C2410_UCON_TXILEVEL  | \
+                                   S3C2410_UCON_RXILEVEL  | \
+                                   S3C2410_UCON_TXIRQMODE | \
+                                   S3C2410_UCON_RXIRQMODE | \
+                                   S3C2410_UCON_RXFIFO_TOI)
+
+#define S3C2410_UFCON_FIFOMODE    (1<<0)
+#define S3C2410_UFCON_TXTRIG0     (0<<6)
+#define S3C2410_UFCON_RXTRIG8     (1<<4)
+#define S3C2410_UFCON_RXTRIG12    (2<<4)
+
+/* S3C2440 FIFO trigger levels */
+#define S3C2440_UFCON_RXTRIG1     (0<<4)
+#define S3C2440_UFCON_RXTRIG8     (1<<4)
+#define S3C2440_UFCON_RXTRIG16    (2<<4)
+#define S3C2440_UFCON_RXTRIG32    (3<<4)
+
+#define S3C2440_UFCON_TXTRIG0     (0<<6)
+#define S3C2440_UFCON_TXTRIG16    (1<<6)
+#define S3C2440_UFCON_TXTRIG32    (2<<6)
+#define S3C2440_UFCON_TXTRIG48    (3<<6)
+
+#define S3C2410_UFCON_RESETBOTH   (3<<1)
+#define S3C2410_UFCON_RESETTX     (1<<2)
+#define S3C2410_UFCON_RESETRX     (1<<1)
+
+#define S3C2410_UFCON_DEFAULT     (S3C2410_UFCON_FIFOMODE | \
+                                   S3C2410_UFCON_TXTRIG0  | \
+                                   S3C2410_UFCON_RXTRIG8 )
+
+#define S3C2410_UMCOM_AFC         (1<<4)
+#define S3C2410_UMCOM_RTS_LOW     (1<<0)
+
+#define S3C2412_UMCON_AFC_63    (0<<5)          /* same as s3c2443 */
+#define S3C2412_UMCON_AFC_56    (1<<5)
+#define S3C2412_UMCON_AFC_48    (2<<5)
+#define S3C2412_UMCON_AFC_40    (3<<5)
+#define S3C2412_UMCON_AFC_32    (4<<5)
+#define S3C2412_UMCON_AFC_24    (5<<5)
+#define S3C2412_UMCON_AFC_16    (6<<5)
+#define S3C2412_UMCON_AFC_8     (7<<5)
+
+#define S3C2410_UFSTAT_TXFULL     (1<<9)
+#define S3C2410_UFSTAT_RXFULL     (1<<8)
+#define S3C2410_UFSTAT_TXMASK     (15<<4)
+#define S3C2410_UFSTAT_TXSHIFT    (4)
+#define S3C2410_UFSTAT_RXMASK     (15<<0)
+#define S3C2410_UFSTAT_RXSHIFT    (0)
+
+/* UFSTAT S3C2443 same as S3C2440 */
+#define S3C2440_UFSTAT_TXFULL     (1<<14)
+#define S3C2440_UFSTAT_RXFULL     (1<<6)
+#define S3C2440_UFSTAT_TXSHIFT    (8)
+#define S3C2440_UFSTAT_RXSHIFT    (0)
+#define S3C2440_UFSTAT_TXMASK     (63<<8)
+#define S3C2440_UFSTAT_RXMASK     (63)
+
+#define S3C2410_UTRSTAT_TXE       (1<<2)
+#define S3C2410_UTRSTAT_TXFE      (1<<1)
+#define S3C2410_UTRSTAT_RXDR      (1<<0)
+
+#define S3C2410_UERSTAT_OVERRUN   (1<<0)
+#define S3C2410_UERSTAT_FRAME     (1<<2)
+#define S3C2410_UERSTAT_BREAK     (1<<3)
+#define S3C2443_UERSTAT_PARITY    (1<<1)
+
+#define S3C2410_UERSTAT_ANY       (S3C2410_UERSTAT_OVERRUN | \
+                                   S3C2410_UERSTAT_FRAME | \
+                                   S3C2410_UERSTAT_BREAK)
+
+#define S3C2410_UMSTAT_CTS        (1<<0)
+#define S3C2410_UMSTAT_DeltaCTS   (1<<2)
+
+#define S3C2443_DIVSLOT           (0x2C)
+
+#ifndef __ASSEMBLY__
+
+/* struct s3c24xx_uart_clksrc
+ *
+ * this structure defines a named clock source that can be used for the
+ * uart, so that the best clock can be selected for the requested baud
+ * rate.
+ *
+ * min_baud and max_baud define the range of baud-rates this clock is
+ * acceptable for, if they are both zero, it is assumed any baud rate that
+ * can be generated from this clock will be used.
+ *
+ * divisor gives the divisor from the clock to the one seen by the uart
+*/
+
+struct s3c24xx_uart_clksrc {
+        const char      *name;
+        unsigned int     divisor;
+        unsigned int     min_baud;
+        unsigned int     max_baud;
+};
+
+/* configuration structure for per-machine configurations for the
+ * serial port
+ *
+ * the pointer is setup by the machine specific initialisation from the
+ * arch/arm/mach-s3c2410/ directory.
+*/
+
+struct s3c2410_uartcfg {
+        unsigned char      hwport;       /* hardware port number */
+        unsigned char      unused;
+        unsigned short     flags;
+        upf_t              uart_flags;   /* default uart flags */
+
+        unsigned long      ucon;         /* value of ucon for port */
+        unsigned long      ulcon;        /* value of ulcon for port */
+        unsigned long      ufcon;        /* value of ufcon for port */
+
+        struct s3c24xx_uart_clksrc *clocks;
+        unsigned int                clocks_size;
+};
+
+/* s3c24xx_uart_devs
+ *
+ * this is exported from the core as we cannot use driver_register(),
+ * or platform_add_device() before the console_initcall()
+*/
+
+extern struct platform_device *s3c24xx_uart_devs[3];
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ASM_ARM_REGS_SERIAL_H */
+