u-boot/arch/powerpc/cpu/mpc85xx/portals.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2008-2011 Freescale Semiconductor, Inc.
*/
#include <common.h>
#include <linux/libfdt.h>
#include <fdt_support.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/fsl_portals.h>
#include <asm/fsl_liodn.h>
/* Update portal containter to match LAW setup of portal in phy map */
void fdt_portal(void *blob, const char *compat, const char *container,
u64 addr, u32 size)
{
int off;
off = fdt_node_offset_by_compatible(blob, -1, compat);
if (off < 0)
return ;
off = fdt_parent_offset(blob, off);
/* if non-zero assume we have a container */
if (off > 0) {
char buf[60];
const char *p, *name;
u32 *range;
int len;
/* fixup ranges */
range = fdt_getprop_w(blob, off, "ranges", &len);
if (range == NULL) {
printf("ERROR: container for %s has no ranges", compat);
return ;
}
range[0] = 0;
if (len == 16) {
range[1] = addr >> 32;
range[2] = addr & 0xffffffff;
range[3] = size;
} else {
range[1] = addr & 0xffffffff;
range[2] = size;
}
fdt_setprop_inplace(blob, off, "ranges", range, len);
/* fixup the name */
name = fdt_get_name(blob, off, &len);
p = memchr(name, '@', len);
if (p)
len = p - name;
/* if we are given a container name check it
* against what we found, if it doesnt match exit out */
if (container && (memcmp(container, name, len))) {
printf("WARNING: container names didn't match %s %s\n",
container, name);
return ;
}
memcpy(&buf, name, len);
len += sprintf(&buf[len], "@%llx", addr);
fdt_set_name(blob, off, buf);
return ;
}
printf("ERROR: %s isn't in a container. Not supported\n", compat);
}