/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Internal header file for Samsung S3C2410 serial ports (UART0-2)
*
* Copyright (C) 2002 Shane Nay (shane@minirl.com)
*
* Additional defines, Copyright 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)
*/
#ifndef __ASM_ARM_REGS_SERIAL_H
#define __ASM_ARM_REGS_SERIAL_H
#define S3C2410_URXH (0 x24)
#define S3C2410_UTXH (0 x20)
#define S3C2410_ULCON (0 x00)
#define S3C2410_UCON (0 x04)
#define S3C2410_UFCON (0 x08)
#define S3C2410_UMCON (0 x0C)
#define S3C2410_UBRDIV (0 x28)
#define S3C2410_UTRSTAT (0 x10)
#define S3C2410_UERSTAT (0 x14)
#define S3C2410_UFSTAT (0 x18)
#define S3C2410_UMSTAT (0 x1C)
#define S3C2410_LCON_CFGMASK ((0 xF<<3 )|(0 x3))
#define S3C2410_LCON_CS5 (0 x0)
#define S3C2410_LCON_CS6 (0 x1)
#define S3C2410_LCON_CS7 (0 x2)
#define S3C2410_LCON_CS8 (0 x3)
#define S3C2410_LCON_CSMASK (0 x3)
#define S3C2410_LCON_PNONE (0 x0)
#define S3C2410_LCON_PEVEN (0 x5 << 3 )
#define S3C2410_LCON_PODD (0 x4 << 3 )
#define S3C2410_LCON_PMASK (0 x7 << 3 )
#define S3C2410_LCON_STOPB (1 <<2 )
#define S3C2410_LCON_IRM (1 <<6 )
#define S3C2440_UCON_CLKMASK (3 <<10 )
#define S3C2440_UCON_CLKSHIFT (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 S3C6400_UCON_CLKMASK (3 <<10 )
#define S3C6400_UCON_CLKSHIFT (10 )
#define S3C6400_UCON_PCLK (0 <<10 )
#define S3C6400_UCON_PCLK2 (2 <<10 )
#define S3C6400_UCON_UCLK0 (1 <<10 )
#define S3C6400_UCON_UCLK1 (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_CLKSHIFT (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_CLKMASK (1 << 10 )
#define S3C2410_UCON_CLKSHIFT (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 S3C2410_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 S3C64XX_UCON_TXBURST_1 (0 <<20 )
#define S3C64XX_UCON_TXBURST_4 (1 <<20 )
#define S3C64XX_UCON_TXBURST_8 (2 <<20 )
#define S3C64XX_UCON_TXBURST_16 (3 <<20 )
#define S3C64XX_UCON_TXBURST_MASK (0 xf<<20 )
#define S3C64XX_UCON_RXBURST_1 (0 <<16 )
#define S3C64XX_UCON_RXBURST_4 (1 <<16 )
#define S3C64XX_UCON_RXBURST_8 (2 <<16 )
#define S3C64XX_UCON_RXBURST_16 (3 <<16 )
#define S3C64XX_UCON_RXBURST_MASK (0 xf<<16 )
#define S3C64XX_UCON_TIMEOUT_SHIFT (12 )
#define S3C64XX_UCON_TIMEOUT_MASK (0 xf<<12 )
#define S3C64XX_UCON_EMPTYINT_EN (1 <<11 )
#define S3C64XX_UCON_DMASUS_EN (1 <<10 )
#define S3C64XX_UCON_TXINT_LEVEL (1 <<9 )
#define S3C64XX_UCON_RXINT_LEVEL (1 <<8 )
#define S3C64XX_UCON_TIMEOUT_EN (1 <<7 )
#define S3C64XX_UCON_ERRINT_EN (1 <<6 )
#define S3C64XX_UCON_TXMODE_DMA (2 <<2 )
#define S3C64XX_UCON_TXMODE_CPU (1 <<2 )
#define S3C64XX_UCON_TXMODE_MASK (3 <<2 )
#define S3C64XX_UCON_RXMODE_DMA (2 <<0 )
#define S3C64XX_UCON_RXMODE_CPU (1 <<0 )
#define S3C64XX_UCON_RXMODE_MASK (3 <<0 )
#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_TIMEOUT (1 <<3 )
#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 (0 x2C)
/* S3C64XX interrupt registers. */
#define S3C64XX_UINTP 0 x30
#define S3C64XX_UINTSP 0 x34
#define S3C64XX_UINTM 0 x38
#define S3C64XX_UINTM_RXD (0 )
#define S3C64XX_UINTM_ERROR (1 )
#define S3C64XX_UINTM_TXD (2 )
#define S3C64XX_UINTM_RXD_MSK (1 << S3C64XX_UINTM_RXD)
#define S3C64XX_UINTM_ERR_MSK (1 << S3C64XX_UINTM_ERROR)
#define S3C64XX_UINTM_TXD_MSK (1 << S3C64XX_UINTM_TXD)
/* Following are specific to S5PV210 */
#define S5PV210_UCON_CLKMASK (1 <<10 )
#define S5PV210_UCON_CLKSHIFT (10 )
#define S5PV210_UCON_PCLK (0 <<10 )
#define S5PV210_UCON_UCLK (1 <<10 )
#define S5PV210_UFCON_TXTRIG0 (0 <<8 )
#define S5PV210_UFCON_TXTRIG4 (1 <<8 )
#define S5PV210_UFCON_TXTRIG8 (2 <<8 )
#define S5PV210_UFCON_TXTRIG16 (3 <<8 )
#define S5PV210_UFCON_TXTRIG32 (4 <<8 )
#define S5PV210_UFCON_TXTRIG64 (5 <<8 )
#define S5PV210_UFCON_TXTRIG128 (6 <<8 )
#define S5PV210_UFCON_TXTRIG256 (7 <<8 )
#define S5PV210_UFCON_RXTRIG1 (0 <<4 )
#define S5PV210_UFCON_RXTRIG4 (1 <<4 )
#define S5PV210_UFCON_RXTRIG8 (2 <<4 )
#define S5PV210_UFCON_RXTRIG16 (3 <<4 )
#define S5PV210_UFCON_RXTRIG32 (4 <<4 )
#define S5PV210_UFCON_RXTRIG64 (5 <<4 )
#define S5PV210_UFCON_RXTRIG128 (6 <<4 )
#define S5PV210_UFCON_RXTRIG256 (7 <<4 )
#define S5PV210_UFSTAT_TXFULL (1 <<24 )
#define S5PV210_UFSTAT_RXFULL (1 <<8 )
#define S5PV210_UFSTAT_TXMASK (255 <<16 )
#define S5PV210_UFSTAT_TXSHIFT (16 )
#define S5PV210_UFSTAT_RXMASK (255 <<0 )
#define S5PV210_UFSTAT_RXSHIFT (0 )
#define S3C2410_UCON_CLKSEL0 (1 << 0 )
#define S3C2410_UCON_CLKSEL1 (1 << 1 )
#define S3C2410_UCON_CLKSEL2 (1 << 2 )
#define S3C2410_UCON_CLKSEL3 (1 << 3 )
/* Default values for s5pv210 UCON and UFCON uart registers */
#define S5PV210_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
S3C2410_UCON_TXIRQMODE | \
S3C2410_UCON_RXIRQMODE | \
S3C2410_UCON_RXFIFO_TOI | \
S3C2443_UCON_RXERR_IRQEN)
#define S5PV210_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
S5PV210_UFCON_TXTRIG4 | \
S5PV210_UFCON_RXTRIG4)
#define APPLE_S5L_UCON_RXTO_ENA 9
#define APPLE_S5L_UCON_RXTO_LEGACY_ENA 11
#define APPLE_S5L_UCON_RXTHRESH_ENA 12
#define APPLE_S5L_UCON_TXTHRESH_ENA 13
#define APPLE_S5L_UCON_RXTO_ENA_MSK BIT(APPLE_S5L_UCON_RXTO_ENA)
#define APPLE_S5L_UCON_RXTO_LEGACY_ENA_MSK BIT(APPLE_S5L_UCON_RXTO_LEGACY_ENA)
#define APPLE_S5L_UCON_RXTHRESH_ENA_MSK BIT(APPLE_S5L_UCON_RXTHRESH_ENA)
#define APPLE_S5L_UCON_TXTHRESH_ENA_MSK BIT(APPLE_S5L_UCON_TXTHRESH_ENA)
#define APPLE_S5L_UCON_DEFAULT (S3C2410_UCON_TXIRQMODE | \
S3C2410_UCON_RXIRQMODE | \
S3C2410_UCON_RXFIFO_TOI)
#define APPLE_S5L_UCON_MASK (APPLE_S5L_UCON_RXTO_ENA_MSK | \
APPLE_S5L_UCON_RXTO_LEGACY_ENA_MSK | \
APPLE_S5L_UCON_RXTHRESH_ENA_MSK | \
APPLE_S5L_UCON_TXTHRESH_ENA_MSK)
#define APPLE_S5L_UTRSTAT_RXTO_LEGACY BIT(3 )
#define APPLE_S5L_UTRSTAT_RXTHRESH BIT(4 )
#define APPLE_S5L_UTRSTAT_TXTHRESH BIT(5 )
#define APPLE_S5L_UTRSTAT_RXTO BIT(9 )
#define APPLE_S5L_UTRSTAT_ALL_FLAGS GENMASK(9 , 3 )
#ifndef __ASSEMBLY__
#include <linux/serial_core.h>
/* configuration structure for per-machine configurations for the
* serial port
*
* the pointer is setup by the machine specific initialisation from the
* arch/arm/mach-s3c/ directory.
*/
struct s3c2410_uartcfg {
unsigned char hwport; /* hardware port number */
unsigned char unused;
unsigned short flags;
upf_t uart_flags; /* default uart flags */
unsigned int clk_sel;
unsigned int has_fracval;
unsigned long ucon; /* value of ucon for port */
unsigned long ulcon; /* value of ulcon for port */
unsigned long ufcon; /* value of ufcon for port */
};
#endif /* __ASSEMBLY__ */
#endif /* __ASM_ARM_REGS_SERIAL_H */
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