mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-24 23:34:59 +02:00
3caf3c48cf
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26327 3c298f89-4303-0410-b956-a3cf2f4a3e73
93 lines
1.9 KiB
C
93 lines
1.9 KiB
C
/*
|
|
* Ralink SoC common setup
|
|
*
|
|
* Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
|
|
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published
|
|
* by the Free Software Foundation.
|
|
*/
|
|
|
|
#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>
|
|
|
|
#include <asm/mach-ralink/common.h>
|
|
#include <asm/mach-ralink/machine.h>
|
|
#include <ralink_soc.h>
|
|
|
|
unsigned char ramips_sys_type[RAMIPS_SYS_TYPE_LEN];
|
|
|
|
const char *get_system_type(void)
|
|
{
|
|
return ramips_sys_type;
|
|
}
|
|
|
|
static void __init detect_mem_size(void)
|
|
{
|
|
unsigned long size;
|
|
|
|
for (size = RALINK_SOC_MEM_SIZE_MIN; size < RALINK_SOC_MEM_SIZE_MAX;
|
|
size <<= 1 ) {
|
|
if (!memcmp(detect_mem_size,
|
|
detect_mem_size + size, 1024))
|
|
break;
|
|
}
|
|
|
|
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 | UPF_FIXED_TYPE;
|
|
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);
|
|
|
|
detect_mem_size();
|
|
ramips_soc_setup();
|
|
}
|
|
|
|
__setup("board=", mips_machtype_setup);
|
|
|
|
static int __init ramips_machine_setup(void)
|
|
{
|
|
mips_machine_setup();
|
|
return 0;
|
|
}
|
|
|
|
arch_initcall(ramips_machine_setup);
|
|
|
|
static void __init ramips_generic_init(void)
|
|
{
|
|
}
|
|
|
|
MIPS_MACHINE(RAMIPS_MACH_GENERIC, "Generic", "Generic Ralink board",
|
|
ramips_generic_init);
|