use common code for early_serial setup

SVN-Revision: 17467

target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h

@@ -17,5 +17,7 @@ void __init ramips_intc_irq_init(unsigned intc_base, unsigned irq,
 u32 ramips_intc_get_status(void);
 
 void __init ramips_soc_setup(void);
+void __init ramips_early_serial_setup(int line, unsigned base, unsigned freq,
+				      unsigned irq);
 
 #endif /* __ASM_MACH_RALINK_COMMON_H */

target/linux/ramips/files/arch/mips/ralink/common/setup.c

@@ -12,6 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/serial_8250.h>
 
 #include <asm/bootinfo.h>
 #include <asm/addrspace.h>
@@ -43,6 +44,30 @@ static void __init detect_mem_size(void)
 	add_memory_region(RALINK_SOC_SDRAM_BASE, size, BOOT_MEM_RAM);
 }
 
+void __init ramips_early_serial_setup(int line, unsigned base, unsigned freq,
+				      unsigned irq)
+{
+	struct uart_port p;
+	int err;
+
+	memset(&p, 0, sizeof(p));
+	p.flags		= UPF_SKIP_TEST;
+	p.iotype	= UPIO_AU;
+	p.uartclk	= freq;
+	p.regshift	= 2;
+	p.type		= PORT_16550A;
+
+	p.mapbase	= base;
+	p.membase	= ioremap_nocache(p.mapbase, PAGE_SIZE);
+	p.line		= line;
+	p.irq		= irq;
+
+	err = early_serial_setup(&p);
+	if (err)
+		printk(KERN_ERR "early serial%d registration failed %d\n",
+		       line, err);
+}
+
 void __init plat_mem_setup(void)
 {
 	set_io_port_base(KSEG1);

target/linux/ramips/files/arch/mips/ralink/rt288x/setup.c

@@ -14,7 +14,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
-#include <linux/serial_8250.h>
 
 #include <asm/mips_machine.h>
 #include <asm/reboot.h>
@@ -38,39 +37,6 @@ static void rt288x_halt(void)
 		cpu_wait();
 }
 
-static void __init rt288x_early_serial_setup(void)
-{
-	struct uart_port p;
-	int err;
-
-	memset(&p, 0, sizeof(p));
-	p.flags		= UPF_SKIP_TEST;
-	p.iotype	= UPIO_AU;
-	p.uartclk	= rt288x_sys_freq;
-	p.regshift	= 2;
-	p.type		= PORT_16550A;
-
-	p.mapbase	= RT2880_UART0_BASE;
-	p.membase	= ioremap_nocache(p.mapbase, RT2880_UART0_SIZE);
-	p.line		= 0;
-	p.irq		= RT2880_INTC_IRQ_UART0;
-
-	err = early_serial_setup(&p);
-	if (err)
-		printk(KERN_ERR "RT288x: early UART0 registration failed %d\n",
-			err);
-
-	p.mapbase	= RT2880_UART1_BASE;
-	p.membase	= ioremap_nocache(p.mapbase, RT2880_UART1_SIZE);
-	p.line		= 1;
-	p.irq		= RT2880_INTC_IRQ_UART1;
-
-	err = early_serial_setup(&p);
-	if (err)
-		printk(KERN_ERR "RT288x: early UART1 registration failed %d\n",
-			err);
-}
-
 unsigned int __cpuinit get_c0_compare_irq(void)
 {
 	return CP0_LEGACY_COMPARE_IRQ;
@@ -92,7 +58,10 @@ void __init ramips_soc_setup(void)
 	_machine_halt = rt288x_halt;
 	pm_power_off = rt288x_halt;
 
-	rt288x_early_serial_setup();
+	ramips_early_serial_setup(0, RT2880_UART0_BASE, rt288x_sys_freq,
+				  RT2880_INTC_IRQ_UART0);
+	ramips_early_serial_setup(1, RT2880_UART1_BASE, rt288x_sys_freq,
+				  RT2880_INTC_IRQ_UART1);
 }
 
 void __init plat_time_init(void)

target/linux/ramips/files/arch/mips/ralink/rt305x/setup.c

@@ -13,7 +13,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
-#include <linux/serial_8250.h>
 
 #include <asm/mips_machine.h>
 #include <asm/reboot.h>
@@ -38,39 +37,6 @@ static void rt305x_halt(void)
 			cpu_wait();
 }
 
-static void __init rt305x_early_serial_setup(void)
-{
-	struct uart_port p;
-	int err;
-
-	memset(&p, 0, sizeof(p));
-	p.flags		= UPF_SKIP_TEST;
-	p.iotype	= UPIO_AU;
-	p.uartclk	= rt305x_sys_freq;
-	p.regshift	= 2;
-	p.type		= PORT_16550A;
-
-	p.mapbase	= RT305X_UART0_BASE;
-	p.membase	= ioremap_nocache(p.mapbase, RT305X_UART0_SIZE);
-	p.line		= 0;
-	p.irq		= RT305X_INTC_IRQ_UART0;
-
-	err = early_serial_setup(&p);
-	if (err)
-		printk(KERN_ERR "RT305x: early UART0 registration failed %d\n",
-			err);
-
-	p.mapbase	= RT305X_UART1_BASE;
-	p.membase	= ioremap_nocache(p.mapbase, RT305X_UART1_SIZE);
-	p.line		= 1;
-	p.irq		= RT305X_INTC_IRQ_UART1;
-
-	err = early_serial_setup(&p);
-	if (err)
-		printk(KERN_ERR "RT305x: early UART1 registration failed %d\n",
-			err);
-}
-
 unsigned int __cpuinit get_c0_compare_irq(void)
 {
 	return CP0_LEGACY_COMPARE_IRQ;
@@ -92,7 +58,10 @@ void __init ramips_soc_setup(void)
 	_machine_halt = rt305x_halt;
 	pm_power_off = rt305x_halt;
 
-	rt305x_early_serial_setup();
+	ramips_early_serial_setup(0, RT305X_UART0_BASE, rt305x_sys_freq,
+				  RT305X_INTC_IRQ_UART0);
+	ramips_early_serial_setup(1, RT305X_UART1_BASE, rt305x_sys_freq,
+				  RT305X_INTC_IRQ_UART1);
 }
 
 void __init plat_time_init(void)