+// 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 <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 err;
}
- serial = getenv("serial#");
+ serial = env_get("serial#");
if (serial) {
err = fdt_setprop(fdt, 0, "serial-number", serial,
strlen(serial) + 1);
if (nodeoffset < 0)
return nodeoffset;
- str = getenv("bootargs");
+ str = env_get("bootargs");
if (str) {
err = fdt_setprop(fdt, nodeoffset, "bootargs", str,
strlen(str) + 1);
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;
+ for (i = 0; i < banks; i++)
+ if (start[i] == 0 && size[i] == 0)
+ break;
+
+ banks = i;
+
len = fdt_pack_reg(blob, tmp, start, size, banks);
err = fdt_setprop(blob, nodeoffset, "reg", tmp, len);
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;
}
- tmp = getenv(mac);
+#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)
{
}
#endif
-#ifdef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
-/*
- * Provide a weak default function to return the flash bank size.
- * There might be multiple non-identical flash chips connected to one
- * chip-select, so we need to pass an index as well.
- */
-u32 __flash_get_bank_size(int cs, int idx)
-{
- extern flash_info_t flash_info[];
-
- /*
- * As default, a simple 1:1 mapping is provided. Boards with
- * a different mapping need to supply a board specific mapping
- * routine.
- */
- return flash_info[cs].size;
-}
-u32 flash_get_bank_size(int cs, int idx)
- __attribute__((weak, alias("__flash_get_bank_size")));
-
-/*
- * This function can be used to update the size in the "reg" property
- * of all NOR FLASH device nodes. This is necessary for boards with
- * non-fixed NOR FLASH sizes.
- */
-int fdt_fixup_nor_flash_size(void *blob)
-{
- char compat[][16] = { "cfi-flash", "jedec-flash" };
- int off;
- int len;
- struct fdt_property *prop;
- u32 *reg, *reg2;
- int i;
-
- for (i = 0; i < 2; i++) {
- off = fdt_node_offset_by_compatible(blob, -1, compat[i]);
- while (off != -FDT_ERR_NOTFOUND) {
- int idx;
-
- /*
- * Found one compatible node, so fixup the size
- * int its reg properties
- */
- prop = fdt_get_property_w(blob, off, "reg", &len);
- if (prop) {
- int tuple_size = 3 * sizeof(reg);
-
- /*
- * There might be multiple reg-tuples,
- * so loop through them all
- */
- reg = reg2 = (u32 *)&prop->data[0];
- for (idx = 0; idx < (len / tuple_size); idx++) {
- /*
- * Update size in reg property
- */
- reg[2] = flash_get_bank_size(reg[0],
- idx);
-
- /*
- * Point to next reg tuple
- */
- reg += 3;
- }
-
- fdt_setprop(blob, off, "reg", reg2, len);
- }
-
- /* Move to next compatible node */
- off = fdt_node_offset_by_compatible(blob, off,
- compat[i]);
- }
- }
-
- return 0;
-}
-#endif
-
int fdt_increase_size(void *fdt, int add_len)
{
int newlen;
u64 fdt_get_base_address(const void *fdt, int node)
{
int size;
- u32 naddr;
const fdt32_t *prop;
- naddr = fdt_address_cells(fdt, node);
+ prop = fdt_getprop(fdt, node, "reg", &size);
- prop = fdt_getprop(fdt, node, "ranges", &size);
-
- return prop ? fdt_translate_address(fdt, node, prop + naddr) : 0;
+ return prop ? fdt_translate_address(fdt, node, prop) : 0;
}
/*
}
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
projects / u-boot / blobdiff