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use common code for early_serial setup

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SVN-Revision: 17467
This commit is contained in:
Gabor Juhos 2009-09-02 12:44:17 +00:00
parent 73b20f8194
commit c4385d3282
4 changed files with 35 additions and 70 deletions
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2
target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h
View file

@ -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 */

25
target/linux/ramips/files/arch/mips/ralink/common/setup.c
View file

@ -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);

39
target/linux/ramips/files/arch/mips/ralink/rt288x/setup.c
View file

@ -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)

39
target/linux/ramips/files/arch/mips/ralink/rt305x/setup.c
View file

@ -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)