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