mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-26 22:52:18 +00:00
6717e15447
<common.h> pulls in a lot of bloat. <common.h> is unneeded in most of places. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org>
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
//
|
|
// Copyright (C) 2019 Socionext Inc.
|
|
// Author: Masahiro Yamada <yamada.masahiro@socionext.com>
|
|
|
|
#include <dm/of.h>
|
|
#include <fdt_support.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/io.h>
|
|
#include <linux/libfdt.h>
|
|
#include <linux/sizes.h>
|
|
#include <asm/global_data.h>
|
|
|
|
#include "base-address.h"
|
|
#include "sc64-regs.h"
|
|
#include "sg-regs.h"
|
|
|
|
/*
|
|
* Dummy initializers are needed to allocate these to .data section instead of
|
|
* .bss section. The .bss section is unusable before relocation because the
|
|
* .bss section and DT share the same address. Without the initializers,
|
|
* DT would be broken.
|
|
*/
|
|
void __iomem *sc_base = (void *)0xdeadbeef;
|
|
void __iomem *sg_base = (void *)0xdeadbeef;
|
|
|
|
static u64 uniphier_base_address_get(const char *compat_tail)
|
|
{
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
const void *fdt = gd->fdt_blob;
|
|
int offset, len, i;
|
|
const char *str;
|
|
|
|
for (offset = fdt_next_node(fdt, 0, NULL);
|
|
offset >= 0;
|
|
offset = fdt_next_node(fdt, offset, NULL)) {
|
|
for (i = 0;
|
|
(str = fdt_stringlist_get(fdt, offset, "compatible", i, &len));
|
|
i++) {
|
|
if (!memcmp(compat_tail,
|
|
str + len - strlen(compat_tail),
|
|
strlen(compat_tail)))
|
|
return fdt_get_base_address(fdt, offset);
|
|
}
|
|
}
|
|
|
|
return OF_BAD_ADDR;
|
|
}
|
|
|
|
int uniphier_base_address_init(void)
|
|
{
|
|
u64 base;
|
|
|
|
base = uniphier_base_address_get("-soc-glue");
|
|
if (base == OF_BAD_ADDR)
|
|
return -EINVAL;
|
|
|
|
sg_base = ioremap(base, SZ_8K);
|
|
|
|
base = uniphier_base_address_get("-sysctrl");
|
|
if (base == OF_BAD_ADDR)
|
|
return -EINVAL;
|
|
|
|
sc_base = ioremap(base, SZ_64K);
|
|
|
|
return 0;
|
|
}
|