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[ramips] use common code for early_serial setup

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17467 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2009-09-02 12:44:17 +00:00
parent 926e540be2
commit 07244cdc4f
4 changed files with 35 additions and 70 deletions
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25
target/linux/ramips/files/arch/mips/ralink/common/setup.c
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@@ -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);