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/*
* Copyright 2006, Realtek Semiconductor Corp.
*
* arch/rlx/rlxocp/serial.c
* RLXOCP serial port initialization
*
* Tony Wu (tonywu@realtek.com.tw)
* Nov. 07, 2006
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
#include <linux/string.h>
#include <asm/serial.h>
#include "bspchip.h"
void __init bsp_serial_init(void)
{
struct uart_port s;
/* clear memory */
memset(&s, 0, sizeof(s));
/*
* UART0
*/
s.line = 0;
s.type = PORT_16550A;
s.irq = BSP_UART0_IRQ;
s.iotype = UPIO_MEM;
s.regshift = 2;
#if 1
s.uartclk = BSP_SYS_CLK_RATE;
s.fifosize = 16;
//s.flags = UPF_SKIP_TEST | UPF_LOW_LATENCY;
s.flags = UPF_SKIP_TEST;
s.mapbase = BSP_UART0_MAP_BASE;
//s.membase = ioremap_nocache(s.mapbase, BSP_UART0_MAPSIZE);
s.membase = ioremap_nocache(s.mapbase, 0x20);
#else
s.uartclk = BSP_SYS_CLK_RATE - BSP_BAUDRATE * 24; //???
s.fifosize = 1; //???
s.flags = UPF_SKIP_TEST | UPF_LOW_LATENCY | UPF_SPD_CUST;
s.membase = (unsigned char *)BSP_UART0_BASE;
s.custom_divisor = BSP_SYS_CLK_RATE / (BSP_BAUDRATE * 16) - 1;
#endif
if (early_serial_setup(&s) != 0) {
panic("RTL8196C: bsp_serial_init failed!");
}
}
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