+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2007
* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
*
* Copyright 2010-2011 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
-#include <inttypes.h>
+#include <mapmem.h>
#include <stdio_dev.h>
#include <linux/ctype.h>
#include <linux/types.h>
#include <asm/global_data.h>
-#include <libfdt.h>
+#include <linux/libfdt.h>
#include <fdt_support.h>
#include <exports.h>
#include <fdtdec.h>
return p - (char *)buf;
}
-#ifdef CONFIG_NR_DRAM_BANKS
+#if CONFIG_NR_DRAM_BANKS > 4
#define MEMORY_BANKS_MAX CONFIG_NR_DRAM_BANKS
#else
#define MEMORY_BANKS_MAX 4
int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks)
{
int err, nodeoffset;
- int len;
+ int len, i;
u8 tmp[MEMORY_BANKS_MAX * 16]; /* Up to 64-bit address + 64-bit size */
if (banks > MEMORY_BANKS_MAX) {
return err;
}
+ for (i = 0; i < banks; i++) {
+ if (start[i] == 0 && size[i] == 0)
+ break;
+ }
+
+ banks = i;
+
if (!banks)
return 0;
void fdt_fixup_ethernet(void *fdt)
{
- int i, j, prop;
+ int i = 0, j, prop;
char *tmp, *end;
char mac[16];
const char *path;
unsigned char mac_addr[ARP_HLEN];
int offset;
+#ifdef FDT_SEQ_MACADDR_FROM_ENV
+ int nodeoff;
+ const struct fdt_property *fdt_prop;
+#endif
if (fdt_path_offset(fdt, "/aliases") < 0)
return;
offset = fdt_first_property_offset(fdt,
fdt_path_offset(fdt, "/aliases"));
/* Select property number 'prop' */
- for (i = 0; i < prop; i++)
+ for (j = 0; j < prop; j++)
offset = fdt_next_property_offset(fdt, offset);
if (offset < 0)
path = fdt_getprop_by_offset(fdt, offset, &name, NULL);
if (!strncmp(name, "ethernet", 8)) {
/* Treat plain "ethernet" same as "ethernet0". */
- if (!strcmp(name, "ethernet"))
+ if (!strcmp(name, "ethernet")
+#ifdef FDT_SEQ_MACADDR_FROM_ENV
+ || !strcmp(name, "ethernet0")
+#endif
+ )
i = 0;
+#ifndef FDT_SEQ_MACADDR_FROM_ENV
else
i = trailing_strtol(name);
-
+#endif
if (i != -1) {
if (i == 0)
strcpy(mac, "ethaddr");
} else {
continue;
}
+#ifdef FDT_SEQ_MACADDR_FROM_ENV
+ nodeoff = fdt_path_offset(fdt, path);
+ fdt_prop = fdt_get_property(fdt, nodeoff, "status",
+ NULL);
+ if (fdt_prop && !strcmp(fdt_prop->data, "disabled"))
+ continue;
+ i++;
+#endif
tmp = env_get(mac);
if (!tmp)
continue;
}
}
+int fdt_record_loadable(void *blob, u32 index, const char *name,
+ uintptr_t load_addr, u32 size, uintptr_t entry_point,
+ const char *type, const char *os)
+{
+ int err, node;
+
+ err = fdt_check_header(blob);
+ if (err < 0) {
+ printf("%s: %s\n", __func__, fdt_strerror(err));
+ return err;
+ }
+
+ /* find or create "/fit-images" node */
+ node = fdt_find_or_add_subnode(blob, 0, "fit-images");
+ if (node < 0)
+ return node;
+
+ /* find or create "/fit-images/<name>" node */
+ node = fdt_find_or_add_subnode(blob, node, name);
+ if (node < 0)
+ return node;
+
+ /*
+ * We record these as 32bit entities, possibly truncating addresses.
+ * However, spl_fit.c is not 64bit safe either: i.e. we should not
+ * have an issue here.
+ */
+ fdt_setprop_u32(blob, node, "load-addr", load_addr);
+ if (entry_point != -1)
+ fdt_setprop_u32(blob, node, "entry-point", entry_point);
+ fdt_setprop_u32(blob, node, "size", size);
+ if (type)
+ fdt_setprop_string(blob, node, "type", type);
+ if (os)
+ fdt_setprop_string(blob, node, "os", os);
+
+ return node;
+}
+
/* Resize the fdt to its actual size + a bit of padding */
int fdt_shrink_to_minimum(void *blob, uint extrasize)
{
uint64_t addr, size;
int total, ret;
uint actualsize;
+ int fdt_memrsv = 0;
if (!blob)
return 0;
fdt_get_mem_rsv(blob, i, &addr, &size);
if (addr == (uintptr_t)blob) {
fdt_del_mem_rsv(blob, i);
+ fdt_memrsv = 1;
break;
}
}
/* Change the fdt header to reflect the correct size */
fdt_set_totalsize(blob, actualsize);
- /* Add the new reservation */
- ret = fdt_add_mem_rsv(blob, (uintptr_t)blob, actualsize);
- if (ret < 0)
- return ret;
+ if (fdt_memrsv) {
+ /* Add the new reservation */
+ ret = fdt_add_mem_rsv(blob, map_to_sysmem(blob), actualsize);
+ if (ret < 0)
+ return ret;
+ }
return actualsize;
}
#include <jffs2/load_kernel.h>
#include <mtd_node.h>
-struct reg_cell {
- unsigned int r0;
- unsigned int r1;
-};
-
-int fdt_del_subnodes(const void *blob, int parent_offset)
+static int fdt_del_subnodes(const void *blob, int parent_offset)
{
int off, ndepth;
int ret;
return 0;
}
-int fdt_del_partitions(void *blob, int parent_offset)
+static int fdt_del_partitions(void *blob, int parent_offset)
{
const void *prop;
int ndepth = 0;
{
struct list_head *pentry;
struct part_info *part;
- struct reg_cell cell;
int off, ndepth = 0;
int part_num, ret;
+ int sizecell;
char buf[64];
ret = fdt_del_partitions(blob, parent_offset);
if (ret < 0)
return ret;
+ /*
+ * Check if size/address is 1 or 2 cells.
+ * We assume #address-cells and #size-cells have same value.
+ */
+ sizecell = fdt_getprop_u32_default_node(blob, parent_offset,
+ 0, "#size-cells", 1);
+
/*
* Check if it is nand {}; subnode, adjust
* the offset in this case
goto err_prop;
}
- cell.r0 = cpu_to_fdt32(part->offset);
- cell.r1 = cpu_to_fdt32(part->size);
add_reg:
- ret = fdt_setprop(blob, newoff, "reg", &cell, sizeof(cell));
+ if (sizecell == 2) {
+ ret = fdt_setprop_u64(blob, newoff,
+ "reg", part->offset);
+ if (!ret)
+ ret = fdt_appendprop_u64(blob, newoff,
+ "reg", part->size);
+ } else {
+ ret = fdt_setprop_u32(blob, newoff,
+ "reg", part->offset);
+ if (!ret)
+ ret = fdt_appendprop_u32(blob, newoff,
+ "reg", part->size);
+ }
+
if (ret == -FDT_ERR_NOSPACE) {
ret = fdt_increase_size(blob, 512);
if (!ret)
*
* fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
*/
-void fdt_fixup_mtdparts(void *blob, void *node_info, int node_info_size)
+void fdt_fixup_mtdparts(void *blob, const struct node_info *node_info,
+ int node_info_size)
{
- struct node_info *ni = node_info;
struct mtd_device *dev;
int i, idx;
int noff;
for (i = 0; i < node_info_size; i++) {
idx = 0;
- noff = fdt_node_offset_by_compatible(blob, -1, ni[i].compat);
+ noff = fdt_node_offset_by_compatible(blob, -1,
+ node_info[i].compat);
while (noff != -FDT_ERR_NOTFOUND) {
debug("%s: %s, mtd dev type %d\n",
fdt_get_name(blob, noff, 0),
- ni[i].compat, ni[i].type);
- dev = device_find(ni[i].type, idx++);
+ node_info[i].compat, node_info[i].type);
+ dev = device_find(node_info[i].type, idx++);
if (dev) {
if (fdt_node_set_part_info(blob, noff, dev))
return; /* return on error */
/* Jump to next flash node */
noff = fdt_node_offset_by_compatible(blob, noff,
- ni[i].compat);
+ node_info[i].compat);
}
}
}
s = fdt_read_number(range + na + pna, ns);
da = fdt_read_number(addr, na);
- debug("OF: default map, cp=%" PRIu64 ", s=%" PRIu64
- ", da=%" PRIu64 "\n", cp, s, da);
+ debug("OF: default map, cp=%llx, s=%llx, da=%llx\n", cp, s, da);
if (da < cp || da >= (cp + s))
return OF_BAD_ADDR;
s = fdt_read_number(range + na + pna, ns);
da = fdt_read_number(addr + 1, na - 1);
- debug("OF: ISA map, cp=%" PRIu64 ", s=%" PRIu64
- ", da=%" PRIu64 "\n", cp, s, da);
+ debug("OF: ISA map, cp=%llx, s=%llx, da=%llx\n", cp, s, da);
if (da < cp || da >= (cp + s))
return OF_BAD_ADDR;
finish:
of_dump_addr("OF: parent translation for:", addr, pna);
- debug("OF: with offset: %" PRIu64 "\n", offset);
+ debug("OF: with offset: %llu\n", offset);
/* Translate it into parent bus space */
return pbus->translate(addr, offset, pna);
dt_addr = fdt_translate_address(fdt, node, reg);
if (addr != dt_addr) {
- printf("Warning: U-Boot configured device %s at address %"
- PRIx64 ",\n but the device tree has it address %"
- PRIx64 ".\n", alias, addr, dt_addr);
+ printf("Warning: U-Boot configured device %s at address %llu,\n"
+ "but the device tree has it address %llx.\n",
+ alias, addr, dt_addr);
return 0;
}
if (ret < 0)
return ret;
- snprintf(name, sizeof(name), "framebuffer@%" PRIx64, base_address);
+ snprintf(name, sizeof(name), "framebuffer@%llx", base_address);
ret = fdt_set_name(fdt, node, name);
if (ret < 0)
return ret;
}
return toff;
}
+
+#ifdef CONFIG_OF_LIBFDT_OVERLAY
+/**
+ * fdt_overlay_apply_verbose - Apply an overlay with verbose error reporting
+ *
+ * @fdt: ptr to device tree
+ * @fdto: ptr to device tree overlay
+ *
+ * Convenience function to apply an overlay and display helpful messages
+ * in the case of an error
+ */
+int fdt_overlay_apply_verbose(void *fdt, void *fdto)
+{
+ int err;
+ bool has_symbols;
+
+ err = fdt_path_offset(fdt, "/__symbols__");
+ has_symbols = err >= 0;
+
+ err = fdt_overlay_apply(fdt, fdto);
+ if (err < 0) {
+ printf("failed on fdt_overlay_apply(): %s\n",
+ fdt_strerror(err));
+ if (!has_symbols) {
+ printf("base fdt does did not have a /__symbols__ node\n");
+ printf("make sure you've compiled with -@\n");
+ }
+ }
+ return err;
+}
+#endif