+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2013, Google Inc.
*
*
* (C) Copyright 2000-2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <fdt_support.h>
+#include <fdtdec.h>
#include <errno.h>
#include <image.h>
-#include <libfdt.h>
+#include <linux/libfdt.h>
#include <mapmem.h>
#include <asm/io.h>
#define CONFIG_SYS_FDT_PAD 0x3000
#endif
+/* adding a ramdisk needs 0x44 bytes in version 2008.10 */
+#define FDT_RAMDISK_OVERHEAD 0x80
+
DECLARE_GLOBAL_DATA_PTR;
static void fdt_error(const char *msg)
}
#endif
+static void boot_fdt_reserve_region(struct lmb *lmb, uint64_t addr,
+ uint64_t size)
+{
+ int ret;
+
+ ret = lmb_reserve(lmb, addr, size);
+ if (!ret) {
+ debug(" reserving fdt memory region: addr=%llx size=%llx\n",
+ (unsigned long long)addr, (unsigned long long)size);
+ } else {
+ puts("ERROR: reserving fdt memory region failed ");
+ printf("(addr=%llx size=%llx)\n",
+ (unsigned long long)addr, (unsigned long long)size);
+ }
+}
+
/**
- * boot_fdt_add_mem_rsv_regions - Mark the memreserve sections as unusable
+ * boot_fdt_add_mem_rsv_regions - Mark the memreserve and reserved-memory
+ * sections as unusable
* @lmb: pointer to lmb handle, will be used for memory mgmt
* @fdt_blob: pointer to fdt blob base address
*
- * Adds the memreserve regions in the dtb to the lmb block. Adding the
- * memreserve regions prevents u-boot from using them to store the initrd
- * or the fdt blob.
+ * Adds the and reserved-memorymemreserve regions in the dtb to the lmb block.
+ * Adding the memreserve regions prevents u-boot from using them to store the
+ * initrd or the fdt blob.
*/
void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob)
{
uint64_t addr, size;
- int i, total;
+ int i, total, ret;
+ int nodeoffset, subnode;
+ struct fdt_resource res;
if (fdt_check_header(fdt_blob) != 0)
return;
+ /* process memreserve sections */
total = fdt_num_mem_rsv(fdt_blob);
for (i = 0; i < total; i++) {
if (fdt_get_mem_rsv(fdt_blob, i, &addr, &size) != 0)
continue;
- printf(" reserving fdt memory region: addr=%llx size=%llx\n",
- (unsigned long long)addr, (unsigned long long)size);
- lmb_reserve(lmb, addr, size);
+ boot_fdt_reserve_region(lmb, addr, size);
+ }
+
+ /* process reserved-memory */
+ nodeoffset = fdt_subnode_offset(fdt_blob, 0, "reserved-memory");
+ if (nodeoffset >= 0) {
+ subnode = fdt_first_subnode(fdt_blob, nodeoffset);
+ while (subnode >= 0) {
+ /* check if this subnode has a reg property */
+ ret = fdt_get_resource(fdt_blob, subnode, "reg", 0,
+ &res);
+ if (!ret) {
+ addr = res.start;
+ size = res.end - res.start + 1;
+ boot_fdt_reserve_region(lmb, addr, size);
+ }
+
+ subnode = fdt_next_subnode(fdt_blob, subnode);
+ }
}
}
of_len = *of_size + CONFIG_SYS_FDT_PAD;
/* If fdt_high is set use it to select the relocation address */
- fdt_high = getenv("fdt_high");
+ fdt_high = env_get("fdt_high");
if (fdt_high) {
void *desired_addr = (void *)simple_strtoul(fdt_high, NULL, 16);
} else {
of_start =
(void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000,
- getenv_bootm_mapsize()
- + getenv_bootm_low());
+ env_get_bootm_mapsize()
+ + env_get_bootm_low());
}
if (of_start == NULL) {
*of_flat_tree = of_start;
*of_size = of_len;
- set_working_fdt_addr((ulong)*of_flat_tree);
+ if (CONFIG_IS_ENABLED(CMD_FDT))
+ set_working_fdt_addr(map_to_sysmem(*of_flat_tree));
return 0;
error:
fdt_noffset = fit_get_node_from_config(images,
FIT_FDT_PROP,
fdt_addr);
- if (fdt_noffset == -ENOLINK)
+ if (fdt_noffset == -ENOENT)
return 0;
else if (fdt_noffset < 0)
return 1;
debug("## Checking for 'FDT'/'FDT Image' at %08lx\n",
fdt_addr);
- /* copy from dataflash if needed */
- fdt_addr = genimg_get_image(fdt_addr);
-
/*
* Check if there is an FDT image at the
* address provided in the second bootm argument
if (fit_check_format(buf)) {
ulong load, len;
- fdt_noffset = fit_image_load(images,
+ fdt_noffset = boot_get_fdt_fit(images,
fdt_addr, &fit_uname_fdt,
&fit_uname_config,
- arch, IH_TYPE_FLATDT,
- BOOTSTAGE_ID_FIT_FDT_START,
- FIT_LOAD_OPTIONAL, &load, &len);
+ arch, &load, &len);
images->fit_hdr_fdt = map_sysmem(fdt_addr, 0);
images->fit_uname_fdt = fit_uname_fdt;
images->fit_noffset_fdt = fdt_noffset;
fdt_addr = load;
+
break;
} else
#endif
printf("ERROR: arch-specific fdt fixup failed\n");
goto err;
}
+ /* Update ethernet nodes */
+ fdt_fixup_ethernet(blob);
if (IMAGE_OF_BOARD_SETUP) {
fdt_ret = ft_board_setup(blob, gd->bd);
if (fdt_ret) {
goto err;
}
}
- fdt_fixup_ethernet(blob);
/* Delete the old LMB reservation */
- lmb_free(lmb, (phys_addr_t)(u32)(uintptr_t)blob,
- (phys_size_t)fdt_totalsize(blob));
+ if (lmb)
+ lmb_free(lmb, (phys_addr_t)(u32)(uintptr_t)blob,
+ (phys_size_t)fdt_totalsize(blob));
- ret = fdt_shrink_to_minimum(blob);
+ ret = fdt_shrink_to_minimum(blob, 0);
if (ret < 0)
goto err;
of_size = ret;
fdt_set_totalsize(blob, of_size);
}
/* Create a new LMB reservation */
- lmb_reserve(lmb, (ulong)blob, of_size);
+ if (lmb)
+ lmb_reserve(lmb, (ulong)blob, of_size);
fdt_initrd(blob, *initrd_start, *initrd_end);
if (!ft_verify_fdt(blob))