Contributors: 14
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
John Crispin |
244 |
53.16% |
5 |
22.73% |
Shiji Yang |
161 |
35.08% |
2 |
9.09% |
Chuanhong Guo |
11 |
2.40% |
1 |
4.55% |
Rob Herring |
8 |
1.74% |
3 |
13.64% |
Randy Dunlap |
8 |
1.74% |
1 |
4.55% |
Tobias Wolf |
8 |
1.74% |
1 |
4.55% |
Liang He |
6 |
1.31% |
1 |
4.55% |
Thomas Bogendoerfer |
4 |
0.87% |
2 |
9.09% |
Sergio Paracuellos |
3 |
0.65% |
1 |
4.55% |
Thomas Gleixner |
2 |
0.44% |
1 |
4.55% |
Arnd Bergmann |
1 |
0.22% |
1 |
4.55% |
Kevin Cernekee |
1 |
0.22% |
1 |
4.55% |
Mike Rapoport |
1 |
0.22% |
1 |
4.55% |
Christoph Hellwig |
1 |
0.22% |
1 |
4.55% |
Total |
459 |
|
22 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
*
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
* Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2013 John Crispin <john@phrozen.org>
*/
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/export.h>
#include <linux/init.h>
#include <linux/sizes.h>
#include <linux/of_fdt.h>
#include <linux/kernel.h>
#include <linux/memblock.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <asm/reboot.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
#include <asm/prom.h>
#include <asm/mach-ralink/ralink_regs.h>
#include "common.h"
__iomem void *rt_sysc_membase;
__iomem void *rt_memc_membase;
EXPORT_SYMBOL_GPL(rt_sysc_membase);
static const struct of_device_id mtmips_memc_match[] = {
{ .compatible = "mediatek,mt7621-memc" },
{ .compatible = "ralink,mt7620a-memc" },
{ .compatible = "ralink,rt2880-memc" },
{ .compatible = "ralink,rt3050-memc" },
{ .compatible = "ralink,rt3883-memc" },
{}
};
static const struct of_device_id mtmips_sysc_match[] = {
{ .compatible = "mediatek,mt7621-sysc" },
{ .compatible = "ralink,mt7620-sysc" },
{ .compatible = "ralink,mt7628-sysc" },
{ .compatible = "ralink,mt7688-sysc" },
{ .compatible = "ralink,rt2880-sysc" },
{ .compatible = "ralink,rt3050-sysc" },
{ .compatible = "ralink,rt3052-sysc" },
{ .compatible = "ralink,rt3352-sysc" },
{ .compatible = "ralink,rt3883-sysc" },
{ .compatible = "ralink,rt5350-sysc" },
{}
};
static __iomem void *
mtmips_of_remap_node(const struct of_device_id *match, const char *type)
{
struct resource res;
struct device_node *np;
np = of_find_matching_node(NULL, match);
if (!np)
panic("Failed to find %s controller node", type);
if (of_address_to_resource(np, 0, &res))
panic("Failed to get resource for %s node", np->name);
if (!request_mem_region(res.start,
resource_size(&res),
res.name))
panic("Failed to request resources for %s node", np->name);
of_node_put(np);
return ioremap(res.start, resource_size(&res));
}
void __init ralink_of_remap(void)
{
rt_sysc_membase = mtmips_of_remap_node(mtmips_sysc_match, "system");
rt_memc_membase = mtmips_of_remap_node(mtmips_memc_match, "memory");
if (!rt_sysc_membase || !rt_memc_membase)
panic("Failed to remap core resources");
}
void __init plat_mem_setup(void)
{
void *dtb;
set_io_port_base(KSEG1);
/*
* Load the builtin devicetree. This causes the chosen node to be
* parsed resulting in our memory appearing.
*/
dtb = get_fdt();
__dt_setup_arch(dtb);
if (early_init_dt_scan_memory())
return;
if (soc_info.mem_detect)
soc_info.mem_detect();
else if (soc_info.mem_size)
memblock_add(soc_info.mem_base, soc_info.mem_size * SZ_1M);
else
detect_memory_region(soc_info.mem_base,
soc_info.mem_size_min * SZ_1M,
soc_info.mem_size_max * SZ_1M);
}
static int __init plat_of_setup(void)
{
__dt_register_buses(soc_info.compatible, "palmbus");
return 0;
}
arch_initcall(plat_of_setup);