
/*
 * arch/arm/cpu/armv8/gxb/firmware/bl21/serial.h
 *
 * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

#ifndef __SERIAL_H__
#define __SERIAL_H__


//#define P_AO_UART_WFIFO                 (0xc81004c0)
//#define P_AO_RTI_PIN_MUX_REG	        (0xc8100014)
#define UART_WFIFO      (0<<2)
#define UART_RFIFO      (1<<2)
#define UART_CONTROL    (2<<2)
#define UART_STATUS     (3<<2)
#define UART_MISC       (4<<2)
#define UART_PORT_CONS AO_UART_WFIFO
//#define UART_CLK_SRC CLK_CLK81

#define P_UART(uart_base,reg)    	(uart_base+reg)
#define P_UART_WFIFO(uart_base)   	P_UART(uart_base,UART_WFIFO)
#define P_UART_RFIFO(uart_base)   	P_UART(uart_base,UART_RFIFO)

#define P_UART_CONTROL(uart_base)    P_UART(uart_base,UART_CONTROL)
    #define UART_CNTL_MASK_BAUD_RATE                (0xfff)
    #define UART_CNTL_MASK_TX_EN                    (1<<12)
    #define UART_CNTL_MASK_RX_EN                    (1<<13)
    #define UART_CNTL_MASK_2WIRE                    (1<<15)
    #define UART_CNTL_MASK_STP_BITS                 (3<<16)
    #define UART_CNTL_MASK_STP_1BIT                 (0<<16)
    #define UART_CNTL_MASK_STP_2BIT                 (1<<16)
    #define UART_CNTL_MASK_PRTY_EVEN                (0<<18)
    #define UART_CNTL_MASK_PRTY_ODD                 (1<<18)
    #define UART_CNTL_MASK_PRTY_TYPE                (1<<18)
    #define UART_CNTL_MASK_PRTY_EN                  (1<<19)
    #define UART_CNTL_MASK_CHAR_LEN                 (3<<20)
    #define UART_CNTL_MASK_CHAR_8BIT                (0<<20)
    #define UART_CNTL_MASK_CHAR_7BIT                (1<<20)
    #define UART_CNTL_MASK_CHAR_6BIT                (2<<20)
    #define UART_CNTL_MASK_CHAR_5BIT                (3<<20)
    #define UART_CNTL_MASK_RST_TX                   (1<<22)
    #define UART_CNTL_MASK_RST_RX                   (1<<23)
    #define UART_CNTL_MASK_CLR_ERR                  (1<<24)
    #define UART_CNTL_MASK_INV_RX                   (1<<25)
    #define UART_CNTL_MASK_INV_TX                   (1<<26)
    #define UART_CNTL_MASK_RINT_EN                  (1<<27)
    #define UART_CNTL_MASK_TINT_EN                  (1<<28)
    #define UART_CNTL_MASK_INV_CTS                  (1<<29)
    #define UART_CNTL_MASK_MASK_ERR                 (1<<30)
    #define UART_CNTL_MASK_INV_RTS                  (1<<31)
#define P_UART_STATUS(uart_base)  P_UART(uart_base,UART_STATUS )
    #define UART_STAT_MASK_RFIFO_CNT                (0x3f<<0)
    #define UART_STAT_MASK_TFIFO_CNT                (0x3f<<8)
    #define UART_STAT_MASK_PRTY_ERR                 (1<<16)
    #define UART_STAT_MASK_FRAM_ERR                 (1<<17)
    #define UART_STAT_MASK_WFULL_ERR                (1<<18)
    #define UART_STAT_MASK_RFIFO_FULL               (1<<19)
    #define UART_STAT_MASK_RFIFO_EMPTY              (1<<20)
    #define UART_STAT_MASK_TFIFO_FULL               (1<<21)
    #define UART_STAT_MASK_TFIFO_EMPTY              (1<<22)
#define P_UART_MISC(uart_base)    P_UART(uart_base,UART_MISC)

void serial_init(unsigned set);
int serial_putc(int c);
int serial_getc(void);
int serial_puts(const char *s);
void serial_put_hex(unsigned long data,unsigned int bitlen);
void serial_put_dec(unsigned long data);

#endif /* __SERIAL_H__ */