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Commit 03d5e77b authored by Ben Dooks's avatar Ben Dooks
Browse files

[ARM] S3C: Update number of serial ports 



Update the serial driver to handle the 4 ports of the
S3C2443 and S364XX series.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 56c035c9

drivers/serial/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -455,6 +455,16 @@ config SERIAL_SAMSUNG 
	  provide all of these ports, depending on how the serial port

	  pins are configured.



config SERIAL_SAMSUNG_UARTS

	int

	depends on SERIAL_SAMSUNG

	default 2 if ARCH_S3C2400

	default 4 if ARCH_S3C64XX || CPU_S3C2443

	default 3

	help

	  Select the number of available UART ports for the Samsung S3C

	  serial driver

	

config SERIAL_SAMSUNG_DEBUG

	bool "Samsung SoC serial debug"

	depends on SERIAL_SAMSUNG && DEBUG_LL

drivers/serial/samsung.c

+18 −12
Original line number Diff line number Diff line
@@ -59,14 +59,6 @@ 
#define S3C24XX_SERIAL_MAJOR	204

#define S3C24XX_SERIAL_MINOR	64



/* we can support 3 uarts, but not always use them */



#if defined(CONFIG_CPU_S3C2400) || defined(CONFIG_CPU_S3C24A0)

#define NR_PORTS (2)

#else

#define NR_PORTS (3)

#endif



/* macros to change one thing to another */



#define tx_enabled(port) ((port)->unused[0])
@@ -839,7 +831,7 @@ static struct uart_driver s3c24xx_uart_drv = { 
	.minor		= S3C24XX_SERIAL_MINOR,

};



static struct s3c24xx_uart_port s3c24xx_serial_ports[NR_PORTS] = {

static struct s3c24xx_uart_port s3c24xx_serial_ports[CONFIG_SERIAL_SAMSUNG_UARTS] = {

	[0] = {

		.port = {

			.lock		= __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[0].port.lock),
@@ -864,7 +856,7 @@ static struct s3c24xx_uart_port s3c24xx_serial_ports[NR_PORTS] = { 
			.line		= 1,

		}

	},

#if NR_PORTS > 2

#if CONFIG_SERIAL_SAMSUNG_UARTS > 2



	[2] = {

		.port = {
@@ -877,6 +869,20 @@ static struct s3c24xx_uart_port s3c24xx_serial_ports[NR_PORTS] = { 
			.flags		= UPF_BOOT_AUTOCONF,

			.line		= 2,

		}

	},

#endif

#if CONFIG_SERIAL_SAMSUNG_UARTS > 3

	[3] = {

		.port = {

			.lock		= __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[3].port.lock),

			.iotype		= UPIO_MEM,

			.irq		= IRQ_S3CUART_RX3,

			.uartclk	= 0,

			.fifosize	= 16,

			.ops		= &s3c24xx_serial_ops,

			.flags		= UPF_BOOT_AUTOCONF,

			.line		= 3,

		}

	}

#endif

};
@@ -1324,7 +1330,7 @@ static int s3c24xx_serial_init_ports(struct s3c24xx_uart_info *info) 


	platdev_ptr = s3c24xx_uart_devs;



	for (i = 0; i < NR_PORTS; i++, ptr++, platdev_ptr++) {

	for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++, ptr++, platdev_ptr++) {

		s3c24xx_serial_init_port(ptr, info, *platdev_ptr);

	}
@@ -1345,7 +1351,7 @@ s3c24xx_serial_console_setup(struct console *co, char *options) 


	/* is this a valid port */



	if (co->index == -1 || co->index >= NR_PORTS)

	if (co->index == -1 || co->index >= CONFIG_SERIAL_SAMSUNG_UARTS)

		co->index = 0;



	port = &s3c24xx_serial_ports[co->index].port;