diff options
Diffstat (limited to 'target/linux/ifxmips/files/drivers')
| -rw-r--r-- | target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c (renamed from target/linux/ifxmips/files/drivers/char/ifxmips_led.c) | 0 | ||||
| -rw-r--r-- | target/linux/ifxmips/files/drivers/serial/ifxmips_asc.c | 83 | 
2 files changed, 38 insertions, 45 deletions
diff --git a/target/linux/ifxmips/files/drivers/char/ifxmips_led.c b/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c index 090516c5a..090516c5a 100644 --- a/target/linux/ifxmips/files/drivers/char/ifxmips_led.c +++ b/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c diff --git a/target/linux/ifxmips/files/drivers/serial/ifxmips_asc.c b/target/linux/ifxmips/files/drivers/serial/ifxmips_asc.c index 63a4c2af9..17d933c20 100644 --- a/target/linux/ifxmips/files/drivers/serial/ifxmips_asc.c +++ b/target/linux/ifxmips/files/drivers/serial/ifxmips_asc.c @@ -41,7 +41,7 @@  #include <linux/console.h>  #include <linux/sysrq.h>  #include <linux/irq.h> - +#include <linux/platform_device.h>  #include <asm/system.h>  #include <asm/io.h>  #include <asm/uaccess.h> @@ -60,7 +60,6 @@ static void ifxmipsasc_tx_chars(struct uart_port *port);  extern void prom_printf(const char * fmt, ...);  static struct uart_port ifxmipsasc_port[2];  static struct uart_driver ifxmipsasc_reg; -static unsigned int uartclk = 0;  extern unsigned int ifxmips_get_fpi_hz(void);  static void @@ -155,7 +154,6 @@ static void  ifxmipsasc_tx_chars(struct uart_port *port)  {  	struct circ_buf *xmit = &port->info->xmit; -  	if(uart_tx_stopped(port))  	{  		ifxmipsasc_stop_tx(port); @@ -245,10 +243,7 @@ ifxmipsasc_startup(struct uart_port *port)  	unsigned long flags;  	int retval; -	if(uartclk == 0) -		uartclk = ifxmips_get_fpi_hz(); - -	port->uartclk = uartclk; +	port->uartclk = ifxmips_get_fpi_hz();  	ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CLC) & ~IFXMIPS_ASC_CLC_DISS, port->membase + IFXMIPS_ASC_CLC);  	ifxmips_w32(((ifxmips_r32(port->membase + IFXMIPS_ASC_CLC) & ~ASCCLC_RMCMASK)) | (1 << ASCCLC_RMCOFFSET), port->membase + IFXMIPS_ASC_CLC); @@ -260,17 +255,17 @@ ifxmipsasc_startup(struct uart_port *port)  	local_irq_save(flags); -	retval = request_irq(port->irq, ifxmipsasc_rx_int, IRQF_DISABLED, "asc_rx", port); +	retval = request_irq(port->irq, ifxmipsasc_tx_int, IRQF_DISABLED, "asc_tx", port);  	if(retval)  	{ -		printk("failed to request ifxmipsasc_rx_int\n"); +		printk("failed to request ifxmipsasc_tx_int\n");  		return retval;  	} -	retval = request_irq(port->irq + 2, ifxmipsasc_tx_int, IRQF_DISABLED, "asc_tx", port); +	retval = request_irq(port->irq + 2, ifxmipsasc_rx_int, IRQF_DISABLED, "asc_rx", port);  	if(retval)  	{ -		printk("failed to request ifxmipsasc_tx_int\n"); +		printk("failed to request ifxmipsasc_rx_int\n");  		goto err1;  	} @@ -402,7 +397,15 @@ static void ifxmipsasc_set_termios(struct uart_port *port, struct ktermios *new,  static const char*  ifxmipsasc_type(struct uart_port *port)  { -	return port->type == PORT_IFXMIPSASC ? "IFXMIPSASC" : NULL; +	if(port->type == PORT_IFXMIPSASC) +	{ +		if(port->membase == IFXMIPS_ASC_BASE_ADDR) +			return "asc0"; +		else +			return "asc1"; +	} else { +		return NULL; +	}  }  static void @@ -465,54 +468,53 @@ static struct uart_port ifxmipsasc_port[2] =  		membase:		(void *)IFXMIPS_ASC_BASE_ADDR,  		mapbase:		IFXMIPS_ASC_BASE_ADDR,  		iotype:			SERIAL_IO_MEM, -		irq:			IFXMIPSASC_RIR(0), +		irq:			IFXMIPSASC_TIR(0),  		uartclk:		0,  		fifosize:		16,  		type:			PORT_IFXMIPSASC,  		ops:			&ifxmipsasc_pops,  		flags:			ASYNC_BOOT_AUTOCONF, +		line:			0  	}, {  		membase:		(void *)(IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_BASE_DIFF),  		mapbase:		IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_BASE_DIFF,  		iotype:			SERIAL_IO_MEM, -		irq:			IFXMIPSASC_RIR(1), +		irq:			IFXMIPSASC_TIR(1),  		uartclk:		0,  		fifosize:		16,  		type:			PORT_IFXMIPSASC,  		ops:			&ifxmipsasc_pops,  		flags:			ASYNC_BOOT_AUTOCONF, +		line:			1  	}  };  static void  ifxmipsasc_console_write(struct console *co, const char *s, u_int count)  { +	int port = co->index;  	int i, fifocnt;  	unsigned long flags; -  	local_irq_save(flags);  	for(i = 0; i < count; i++)  	{ -		/* wait until the FIFO is not full */ -		do -		{ -			fifocnt = (ifxmips_r32((u32*)(IFXMIPS_ASC_BASE_ADDR + (co->index * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_FSTAT)) & ASCFSTAT_TXFFLMASK) +		do { +			fifocnt = (ifxmips_r32((u32*)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_FSTAT)) & ASCFSTAT_TXFFLMASK)  			                >> ASCFSTAT_TXFFLOFF; -		}while(fifocnt == IFXMIPSASC_TXFIFO_FULL); +		} while(fifocnt == IFXMIPSASC_TXFIFO_FULL);  		if(s[i] == '\0')  			break;  		if(s[i] == '\n')  		{ -			ifxmips_w32('\r', (u32*)(IFXMIPS_ASC_BASE_ADDR + (co->index * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_TBUF)); -			do -			{ -				fifocnt = (ifxmips_r32((u32*)(IFXMIPS_ASC_BASE_ADDR + (co->index * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_FSTAT)) & ASCFSTAT_TXFFLMASK) +			ifxmips_w32('\r', (u32*)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_TBUF)); +			do { +				fifocnt = (ifxmips_r32((u32*)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_FSTAT)) & ASCFSTAT_TXFFLMASK)  					>> ASCFSTAT_TXFFLOFF;  			} while(fifocnt == IFXMIPSASC_TXFIFO_FULL);  		} -		ifxmips_w32(s[i], (u32*)(IFXMIPS_ASC_BASE_ADDR + (co->index * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_TBUF)); +		ifxmips_w32(s[i], (u32*)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_TBUF));  	}  	local_irq_restore(flags); @@ -521,23 +523,16 @@ ifxmipsasc_console_write(struct console *co, const char *s, u_int count)  static int __init  ifxmipsasc_console_setup(struct console *co, char *options)  { -	struct uart_port *port; +	int port = co->index;  	int baud = 115200;  	int bits = 8;  	int parity = 'n';  	int flow = 'n'; - -	if(uartclk == 0) -		uartclk = ifxmips_get_fpi_hz(); -	co->index = 0; -	port = &ifxmipsasc_port[co->index]; -	ifxmipsasc_port[co->index].uartclk = uartclk; -	ifxmipsasc_port[co->index].type = PORT_IFXMIPSASC; - +	ifxmipsasc_port[port].uartclk = ifxmips_get_fpi_hz(); +	ifxmipsasc_port[port].type = PORT_IFXMIPSASC;  	if(options)  		uart_parse_options(options, &baud, &parity, &bits, &flow); - -	return uart_set_options(port, co, baud, parity, bits, flow); +	return uart_set_options(&ifxmipsasc_port[port], co, baud, parity, bits, flow);  }  static struct console ifxmipsasc_console[2] = @@ -578,22 +573,20 @@ static struct uart_driver ifxmipsasc_reg =  	.major =			TTY_MAJOR,  	.minor =			64,  	.nr =				2, -	.cons =				ifxmipsasc_console, +	.cons =				&ifxmipsasc_console[1],  }; -static int __init +int __init  ifxmipsasc_init(void)  { -	unsigned char res; - +	int ret;  	uart_register_driver(&ifxmipsasc_reg); -	res = uart_add_one_port(&ifxmipsasc_reg, &ifxmipsasc_port[0]); -	res = uart_add_one_port(&ifxmipsasc_reg, &ifxmipsasc_port[1]); - -	return res; +	ret = uart_add_one_port(&ifxmipsasc_reg, &ifxmipsasc_port[0]); +	ret = uart_add_one_port(&ifxmipsasc_reg, &ifxmipsasc_port[1]); +	return 0;  } -static void __exit +void __exit  ifxmipsasc_exit(void)  {  	uart_unregister_driver(&ifxmipsasc_reg);  | 
