upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
128 lines
2.9 KiB
128 lines
2.9 KiB
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2015 Thomas Chou <thomas@wytron.com.tw>
|
|
* Copyright (C) 2009, Wind River Systems Inc
|
|
* Implemented by fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/cache.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static void __flush_dcache(unsigned long start, unsigned long end)
|
|
{
|
|
unsigned long addr;
|
|
|
|
start &= ~(gd->arch.dcache_line_size - 1);
|
|
end += (gd->arch.dcache_line_size - 1);
|
|
end &= ~(gd->arch.dcache_line_size - 1);
|
|
|
|
for (addr = start; addr < end; addr += gd->arch.dcache_line_size) {
|
|
__asm__ __volatile__ (" flushda 0(%0)\n"
|
|
: /* Outputs */
|
|
: /* Inputs */ "r"(addr)
|
|
/* : No clobber */);
|
|
}
|
|
}
|
|
|
|
static void __flush_dcache_all(unsigned long start, unsigned long end)
|
|
{
|
|
unsigned long addr;
|
|
|
|
start &= ~(gd->arch.dcache_line_size - 1);
|
|
end += (gd->arch.dcache_line_size - 1);
|
|
end &= ~(gd->arch.dcache_line_size - 1);
|
|
|
|
if (end > start + gd->arch.dcache_size)
|
|
end = start + gd->arch.dcache_size;
|
|
|
|
for (addr = start; addr < end; addr += gd->arch.dcache_line_size) {
|
|
__asm__ __volatile__ (" flushd 0(%0)\n"
|
|
: /* Outputs */
|
|
: /* Inputs */ "r"(addr)
|
|
/* : No clobber */);
|
|
}
|
|
}
|
|
|
|
static void __invalidate_dcache(unsigned long start, unsigned long end)
|
|
{
|
|
unsigned long addr;
|
|
|
|
start &= ~(gd->arch.dcache_line_size - 1);
|
|
end += (gd->arch.dcache_line_size - 1);
|
|
end &= ~(gd->arch.dcache_line_size - 1);
|
|
|
|
for (addr = start; addr < end; addr += gd->arch.dcache_line_size) {
|
|
__asm__ __volatile__ (" initda 0(%0)\n"
|
|
: /* Outputs */
|
|
: /* Inputs */ "r"(addr)
|
|
/* : No clobber */);
|
|
}
|
|
}
|
|
|
|
static void __flush_icache(unsigned long start, unsigned long end)
|
|
{
|
|
unsigned long addr;
|
|
|
|
start &= ~(gd->arch.icache_line_size - 1);
|
|
end += (gd->arch.icache_line_size - 1);
|
|
end &= ~(gd->arch.icache_line_size - 1);
|
|
|
|
if (end > start + gd->arch.icache_size)
|
|
end = start + gd->arch.icache_size;
|
|
|
|
for (addr = start; addr < end; addr += gd->arch.icache_line_size) {
|
|
__asm__ __volatile__ (" flushi %0\n"
|
|
: /* Outputs */
|
|
: /* Inputs */ "r"(addr)
|
|
/* : No clobber */);
|
|
}
|
|
__asm__ __volatile(" flushp\n");
|
|
}
|
|
|
|
void flush_dcache_all(void)
|
|
{
|
|
__flush_dcache_all(0, gd->arch.dcache_size);
|
|
__flush_icache(0, gd->arch.icache_size);
|
|
}
|
|
|
|
void flush_dcache_range(unsigned long start, unsigned long end)
|
|
{
|
|
if (gd->arch.has_initda)
|
|
__flush_dcache(start, end);
|
|
else
|
|
__flush_dcache_all(start, end);
|
|
}
|
|
|
|
void flush_cache(unsigned long start, unsigned long size)
|
|
{
|
|
if (gd->arch.has_initda)
|
|
__flush_dcache(start, start + size);
|
|
else
|
|
__flush_dcache_all(start, start + size);
|
|
__flush_icache(start, start + size);
|
|
}
|
|
|
|
void invalidate_dcache_range(unsigned long start, unsigned long end)
|
|
{
|
|
if (gd->arch.has_initda)
|
|
__invalidate_dcache(start, end);
|
|
else
|
|
__flush_dcache_all(start, end);
|
|
}
|
|
|
|
int dcache_status(void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
void dcache_enable(void)
|
|
{
|
|
flush_dcache_all();
|
|
}
|
|
|
|
void dcache_disable(void)
|
|
{
|
|
flush_dcache_all();
|
|
}
|
|
|