void fdt_fsl_mc_fixup_iommu_map_entry(void *blob)
{
u32 *prop;
u32 iommu_map[4];
int offset;
int lenp;
/* find fsl-mc node */
offset = fdt_path_offset(blob, "/soc/fsl-mc");
if (offset < 0)
offset = fdt_path_offset(blob, "/fsl-mc");
if (offset < 0) {
printf("%s: fsl-mc: ERR: fsl-mc node not found in DT, err %d\n",
__func__, offset);
return;
}
prop = fdt_getprop_w(blob, offset, "iommu-map", &lenp);
if (!prop) {
debug("%s: fsl-mc: ERR: missing iommu-map in fsl-mc bus node\n",
__func__);
return;
}
iommu_map[0] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START);
iommu_map[1] = *++prop;
iommu_map[2] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START);
iommu_map[3] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_END -
FSL_DPAA2_STREAM_ID_START + 1);
fdt_setprop_inplace(blob, offset, "iommu-map",
iommu_map, sizeof(iommu_map));
}
static int ft_hs_fixup_sram(void *fdt, bd_t *bd)
{
const char *path;
int offs;
int ret;
u32 temp[2];
/*
* Update SRAM reservations on secure devices. The OCMC RAM
* is always reserved for secure use from the start of that
* memory region
*/
path = "/ocp/ocmcram@40300000/sram-hs";
offs = fdt_path_offset(fdt, path);
if (offs < 0) {
debug("Node %s not found.\n", path);
return 0;
}
/* relative start offset */
temp[0] = cpu_to_fdt32(0);
/* reservation size */
temp[1] = cpu_to_fdt32(max(CONFIG_SECURE_BOOT_SRAM,
CONFIG_SECURE_RUN_SRAM));
fdt_delprop(fdt, offs, "reg");
ret = fdt_setprop(fdt, offs, "reg", temp, 2 * sizeof(u32));
if (ret < 0) {
printf("Could not add reg property to node %s: %s\n",
path, fdt_strerror(ret));
return ret;
}
return 0;
}
static void generate_irq_prop(void *fdt, u8 irq, enum irq_type irq_type)
{
u32 irq_prop[] = {
cpu_to_fdt32(GIC_FDT_IRQ_TYPE_SPI),
cpu_to_fdt32(irq - GIC_SPI_IRQ_BASE),
cpu_to_fdt32(irq_type)
};
_FDT(fdt_property(fdt, "interrupts", irq_prop, sizeof(irq_prop)));
}
static void generate_irq_prop(void *fdt, u8 irq)
{
u32 irq_prop[] = {
cpu_to_fdt32(GIC_FDT_IRQ_TYPE_SPI),
cpu_to_fdt32(irq - GIC_SPI_IRQ_BASE),
cpu_to_fdt32(GIC_FDT_IRQ_FLAGS_EDGE_LO_HI),
};
_FDT(fdt_property(fdt, "interrupts", irq_prop, sizeof(irq_prop)));
}
/*
* Convert and fold provided ATAGs into the provided FDT.
*
* REturn values:
* = 0 -> pretend success
* = 1 -> bad ATAG (may retry with another possible ATAG pointer)
* < 0 -> error from libfdt
*/
int atags_to_fdt(void *atag_list, void *fdt, int total_space)
{
struct tag *atag = atag_list;
uint32_t mem_reg_property[16];
int memcount = 0;
int ret;
/* make sure we've got an aligned pointer */
if ((u32)atag_list & 0x3)
return 1;
/* if we get a DTB here we're done already */
if (*(u32 *)atag_list == fdt32_to_cpu(FDT_MAGIC))
return 0;
/* validate the ATAG */
if (atag->hdr.tag != ATAG_CORE ||
(atag->hdr.size != tag_size(tag_core) &&
atag->hdr.size != 2))
return 1;
/* let's give it all the room it could need */
ret = fdt_open_into(fdt, fdt, total_space);
if (ret < 0)
return ret;
for_each_tag(atag, atag_list) {
if (atag->hdr.tag == ATAG_CMDLINE) {
setprop_string(fdt, "/chosen", "bootargs",
atag->u.cmdline.cmdline);
} else if (atag->hdr.tag == ATAG_MEM) {
if (memcount >= sizeof(mem_reg_property)/sizeof(uint32_t))
continue;
mem_reg_property[memcount++] = cpu_to_fdt32(atag->u.mem.start);
mem_reg_property[memcount++] = cpu_to_fdt32(atag->u.mem.size);
} else if (atag->hdr.tag == ATAG_INITRD2) {
uint32_t initrd_start, initrd_size;
initrd_start = atag->u.initrd.start;
initrd_size = atag->u.initrd.size;
setprop_cell(fdt, "/chosen", "linux,initrd-start",
initrd_start);
setprop_cell(fdt, "/chosen", "linux,initrd-end",
initrd_start + initrd_size);
}
}
if (memcount)
setprop(fdt, "/memory", "reg", mem_reg_property, 4*memcount);
return fdt_pack(fdt);
}
static void nop_region(void *start, int len)
{
uint32_t *p;
for (p = start; (void *)p < (start + len); p++)
*p = cpu_to_fdt32(FDT_NOP);
}
struct data data_append_integer(struct data d, uint64_t value, int bits)
{
uint8_t value_8;
uint16_t value_16;
uint32_t value_32;
uint64_t value_64;
switch (bits) {
case 8:
value_8 = value;
return data_append_data(d, &value_8, 1);
case 16:
value_16 = cpu_to_fdt16(value);
return data_append_data(d, &value_16, 2);
case 32:
value_32 = cpu_to_fdt32(value);
return data_append_data(d, &value_32, 4);
case 64:
value_64 = cpu_to_fdt64(value);
return data_append_data(d, &value_64, 8);
default:
die("Invalid literal size (%d)\n", bits);
}
}
static void _fdt_nop_region(void *start, int len)
{
fdt32_t *p;
for (p = start; (char *)p < ((char *)start + len); p++)
*p = cpu_to_fdt32(FDT_NOP);
}
void do_fixup_by_prop_u32(void *fdt,
const char *pname, const void *pval, int plen,
const char *prop, u32 val, int create)
{
val = cpu_to_fdt32(val);
do_fixup_by_prop(fdt, pname, pval, plen, prop, &val, 4, create);
}
static int
nexus_ofw_map_intr(device_t dev, device_t child, phandle_t iparent, int icells,
pcell_t *intr)
{
fdt_pic_decode_t intr_decode;
phandle_t intr_offset;
int i, rv, interrupt, trig, pol;
intr_offset = OF_xref_phandle(iparent);
for (i = 0; i < icells; i++)
intr[i] = cpu_to_fdt32(intr[i]);
for (i = 0; fdt_pic_table[i] != NULL; i++) {
intr_decode = fdt_pic_table[i];
rv = intr_decode(intr_offset, intr, &interrupt, &trig, &pol);
if (rv == 0) {
/* This was recognized as our PIC and decoded. */
interrupt = FDT_MAP_IRQ(intr_parent, interrupt);
return (interrupt);
}
}
/* Not in table, so guess */
interrupt = FDT_MAP_IRQ(intr_parent, fdt32_to_cpu(intr[0]));
return (interrupt);
}
int
intr_fdt_map_irq(phandle_t iparent, pcell_t *intr, int icells)
{
fdt_pic_decode_t intr_decode;
phandle_t intr_parent;
int i, rv, interrupt, trig, pol;
intr_parent = OF_node_from_xref(iparent);
for (i = 0; i < icells; i++)
intr[i] = cpu_to_fdt32(intr[i]);
for (i = 0; fdt_pic_table[i] != NULL; i++) {
intr_decode = fdt_pic_table[i];
rv = intr_decode(intr_parent, intr, &interrupt, &trig, &pol);
if (rv == 0) {
/* This was recognized as our PIC and decoded. */
interrupt = FDT_MAP_IRQ(intr_parent, interrupt);
return (interrupt);
}
}
/* Not in table, so guess */
interrupt = FDT_MAP_IRQ(intr_parent, fdt32_to_cpu(intr[0]));
return (interrupt);
}
int fdt_finish(void *fdt)
{
int err = check_header_sw(fdt);
char *p = (char *)fdt;
uint32_t *end;
int oldstroffset, newstroffset;
uint32_t tag;
int offset, nextoffset;
if (err)
return err;
/* Add terminator */
end = grab_space(fdt, sizeof(*end));
if (! end)
return -FDT_ERR_NOSPACE;
*end = cpu_to_fdt32(FDT_END);
/* Relocate the string table */
oldstroffset = fdt_totalsize(fdt) - fdt_size_dt_strings(fdt);
newstroffset = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
memmove(p + newstroffset, p + oldstroffset, fdt_size_dt_strings(fdt));
fdt_set_off_dt_strings(fdt, newstroffset);
/* Walk the structure, correcting string offsets */
offset = 0;
while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {
if (tag == FDT_PROP) {
struct fdt_property *prop =
fdt_offset_ptr_w(fdt, offset, sizeof(*prop));
int nameoff;
if (! prop)
return -FDT_ERR_BADSTRUCTURE;
nameoff = fdt32_to_cpu(prop->nameoff);
nameoff += fdt_size_dt_strings(fdt);
prop->nameoff = cpu_to_fdt32(nameoff);
}
offset = nextoffset;
}
/* Finally, adjust the header */
fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt));
fdt_set_magic(fdt, FDT_MAGIC);
return 0;
}
int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)
{
if ((phandle == 0) || (phandle == -1))
return -FDT_ERR_BADPHANDLE;
phandle = cpu_to_fdt32(phandle);
return fdt_node_offset_by_prop_value(fdt, -1, "linux,phandle",
&phandle, sizeof(phandle));
}
/*
* Increase u32 value at pos by offset
*/
static void
fdt_increase_u32(void *pos, uint32_t offset)
{
uint32_t val;
memcpy(&val, pos, sizeof(val));
val = cpu_to_fdt32(fdt32_to_cpu(val) + offset);
memcpy(pos, &val, sizeof(val));
}
int fdt_finish(void *fdt)
{
char *p = (char *)fdt;
uint32_t *end;
int oldstroffset, newstroffset;
uint32_t tag;
int offset, nextoffset;
FDT_SW_CHECK_HEADER(fdt);
end = _fdt_grab_space(fdt, sizeof(*end));
if (! end)
return -FDT_ERR_NOSPACE;
*end = cpu_to_fdt32(FDT_END);
oldstroffset = fdt_totalsize(fdt) - fdt_size_dt_strings(fdt);
newstroffset = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
memmove(p + newstroffset, p + oldstroffset, fdt_size_dt_strings(fdt));
fdt_set_off_dt_strings(fdt, newstroffset);
offset = 0;
while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {
if (tag == FDT_PROP) {
struct fdt_property *prop =
_fdt_offset_ptr_w(fdt, offset);
int nameoff;
nameoff = fdt32_to_cpu(prop->nameoff);
nameoff += fdt_size_dt_strings(fdt);
prop->nameoff = cpu_to_fdt32(nameoff);
}
offset = nextoffset;
}
if (nextoffset < 0)
return nextoffset;
fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt));
fdt_set_magic(fdt, FDT_MAGIC);
return 0;
}
static int fdt_add_bignum(void *blob, int noffset, const char *prop_name,
BIGNUM *num, int num_bits)
{
int nwords = num_bits / 32;
int size;
uint32_t *buf, *ptr;
BIGNUM *tmp, *big2, *big32, *big2_32;
BN_CTX *ctx;
int ret;
tmp = BN_new();
big2 = BN_new();
big32 = BN_new();
big2_32 = BN_new();
if (!tmp || !big2 || !big32 || !big2_32) {
fprintf(stderr, "Out of memory (bignum)\n");
return -ENOMEM;
}
ctx = BN_CTX_new();
if (!tmp) {
fprintf(stderr, "Out of memory (bignum context)\n");
return -ENOMEM;
}
BN_set_word(big2, 2L);
BN_set_word(big32, 32L);
BN_exp(big2_32, big2, big32, ctx); /* B = 2^32 */
size = nwords * sizeof(uint32_t);
buf = malloc(size);
if (!buf) {
fprintf(stderr, "Out of memory (%d bytes)\n", size);
return -ENOMEM;
}
/* Write out modulus as big endian array of integers */
for (ptr = buf + nwords - 1; ptr >= buf; ptr--) {
BN_mod(tmp, num, big2_32, ctx); /* n = N mod B */
*ptr = cpu_to_fdt32(BN_get_word(tmp));
BN_rshift(num, num, 32); /* N = N/B */
}
/*
* We try signing with successively increasing size values, so this
* might fail several times
*/
ret = fdt_setprop(blob, noffset, prop_name, buf, size);
if (ret)
return -FDT_ERR_NOSPACE;
free(buf);
BN_free(tmp);
BN_free(big2);
BN_free(big32);
BN_free(big2_32);
return ret;
}
static int fdt_add_bignum(void *blob, int noffset, const char *prop_name,
BIGNUM *num, int num_bits)
{
int nwords = num_bits / 32;
int size;
uint32_t *buf, *ptr;
BIGNUM *tmp, *big2, *big32, *big2_32;
BN_CTX *ctx;
int ret;
tmp = BN_new();
big2 = BN_new();
big32 = BN_new();
big2_32 = BN_new();
if (!tmp || !big2 || !big32 || !big2_32) {
fprintf(stderr, "Out of memory (bignum)\n");
return -ENOMEM;
}
ctx = BN_CTX_new();
if (!tmp) {
fprintf(stderr, "Out of memory (bignum context)\n");
return -ENOMEM;
}
BN_set_word(big2, 2L);
BN_set_word(big32, 32L);
BN_exp(big2_32, big2, big32, ctx); /* B = 2^32 */
size = nwords * sizeof(uint32_t);
buf = malloc(size);
if (!buf) {
fprintf(stderr, "Out of memory (%d bytes)\n", size);
return -ENOMEM;
}
/* Write out modulus as big endian array of integers */
for (ptr = buf + nwords - 1; ptr >= buf; ptr--) {
BN_mod(tmp, num, big2_32, ctx); /* n = N mod B */
*ptr = cpu_to_fdt32(BN_get_word(tmp));
BN_rshift(num, num, 32); /* N = N/B */
}
ret = fdt_setprop(blob, noffset, prop_name, buf, size);
if (ret) {
fprintf(stderr, "Failed to write public key to FIT\n");
return -ENOSPC;
}
free(buf);
BN_free(tmp);
BN_free(big2);
BN_free(big32);
BN_free(big2_32);
return ret;
}
static int __init fdt_bus_default_translate(__be32 *addr, u64 offset, int na)
{
u64 a = of_read_number(addr, na);
memset(addr, 0, na * 4);
a += offset;
if (na > 1)
addr[na - 2] = cpu_to_fdt32(a >> 32);
addr[na - 1] = cpu_to_fdt32(a & 0xffffffffu);
return 0;
}
int fdt_property(void *fdt, const char *name, const void *val, int len)
{
struct fdt_property *prop;
int nameoff;
FDT_SW_CHECK_HEADER(fdt);
nameoff = _fdt_find_add_string(fdt, name);
if (nameoff == 0)
return -FDT_ERR_NOSPACE;
prop = _fdt_grab_space(fdt, sizeof(*prop) + FDT_TAGALIGN(len));
if (! prop)
return -FDT_ERR_NOSPACE;
prop->tag = cpu_to_fdt32(FDT_PROP);
prop->nameoff = cpu_to_fdt32(nameoff);
prop->len = cpu_to_fdt32(len);
memcpy(prop->data, val, len);
return 0;
}
static void generate_virtio_mmio_node(void *fdt, struct virtio_mmio *vmmio)
{
char dev_name[DEVICE_NAME_MAX_LEN];
u64 addr = vmmio->addr;
u64 reg_prop[] = {
cpu_to_fdt64(addr),
cpu_to_fdt64(VIRTIO_MMIO_IO_SIZE)
};
u32 irq_prop[] = {
cpu_to_fdt32(GIC_FDT_IRQ_TYPE_SPI),
cpu_to_fdt32(vmmio->irq - GIC_SPI_IRQ_BASE),
cpu_to_fdt32(GIC_FDT_IRQ_FLAGS_EDGE_LO_HI),
};
snprintf(dev_name, DEVICE_NAME_MAX_LEN, "virtio@%llx", addr);
_FDT(fdt_begin_node(fdt, dev_name));
_FDT(fdt_property_string(fdt, "compatible", "virtio,mmio"));
_FDT(fdt_property(fdt, "reg", reg_prop, sizeof(reg_prop)));
_FDT(fdt_property(fdt, "interrupts", irq_prop, sizeof(irq_prop)));
_FDT(fdt_end_node(fdt));
}
int fdt_end_node(void *fdt)
{
uint32_t *en;
FDT_SW_CHECK_HEADER(fdt);
en = _fdt_grab_space(fdt, FDT_TAGSIZE);
if (! en)
return -FDT_ERR_NOSPACE;
*en = cpu_to_fdt32(FDT_END_NODE);
return 0;
}
int fdt_property(void *fdt, const char *name, const void *val, int len)
{
struct fdt_property *prop;
int err = check_header_sw(fdt);
int nameoff;
if (err)
return err;
nameoff = find_add_string(fdt, name);
if (nameoff == 0)
return -FDT_ERR_NOSPACE;
prop = grab_space(fdt, sizeof(*prop) + ALIGN(len, FDT_TAGSIZE));
if (! prop)
return -FDT_ERR_NOSPACE;
prop->tag = cpu_to_fdt32(FDT_PROP);
prop->nameoff = cpu_to_fdt32(nameoff);
prop->len = cpu_to_fdt32(len);
memcpy(prop->data, val, len);
return 0;
}
static int mc_fixup_mac_addr(void *blob, int nodeoffset,
const char *propname, struct eth_device *eth_dev,
enum mc_fixup_type type)
{
int err = 0, len = 0, size, i;
unsigned char env_enetaddr[ARP_HLEN];
unsigned int enetaddr_32[ARP_HLEN];
void *val = NULL;
switch (type) {
case MC_FIXUP_DPL:
/* DPL likes its addresses on 32 * ARP_HLEN bits */
for (i = 0; i < ARP_HLEN; i++)
enetaddr_32[i] = cpu_to_fdt32(eth_dev->enetaddr[i]);
val = enetaddr_32;
len = sizeof(enetaddr_32);
break;
case MC_FIXUP_DPC:
val = eth_dev->enetaddr;
len = ARP_HLEN;
break;
}
/* MAC address property present */
if (fdt_get_property(blob, nodeoffset, propname, NULL)) {
/* u-boot MAC addr randomly assigned - leave the present one */
if (!eth_env_get_enetaddr_by_index("eth", eth_dev->index,
env_enetaddr))
return err;
} else {
size = MC_DT_INCREASE_SIZE + strlen(propname) + len;
/* make room for mac address property */
err = fdt_increase_size(blob, size);
if (err) {
printf("fdt_increase_size: err=%s\n",
fdt_strerror(err));
return err;
}
}
err = fdt_setprop(blob, nodeoffset, propname, val, len);
if (err) {
printf("fdt_setprop: err=%s\n", fdt_strerror(err));
return err;
}
return err;
}
int fdt_begin_node(void *fdt, const char *name)
{
struct fdt_node_header *nh;
int namelen = strlen(name) + 1;
FDT_SW_CHECK_HEADER(fdt);
nh = _fdt_grab_space(fdt, sizeof(*nh) + FDT_TAGALIGN(namelen));
if (! nh)
return -FDT_ERR_NOSPACE;
nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
memcpy(nh->name, name, namelen);
return 0;
}
/*
* fdt_pack_reg - pack address and size array into the "reg"-suitable stream
*/
static int fdt_pack_reg(const void *fdt, void *buf, u64 *address, u64 *size,
int n)
{
int i;
int address_cells = fdt_address_cells(fdt, 0);
int size_cells = fdt_size_cells(fdt, 0);
char *p = buf;
for (i = 0; i < n; i++) {
if (address_cells == 2)
*(fdt64_t *)p = cpu_to_fdt64(address[i]);
else
*(fdt32_t *)p = cpu_to_fdt32(address[i]);
p += 4 * address_cells;
if (size_cells == 2)
*(fdt64_t *)p = cpu_to_fdt64(size[i]);
else
*(fdt32_t *)p = cpu_to_fdt32(size[i]);
p += 4 * size_cells;
}
return p - (char *)buf;
}
int fdt_end_node(void *fdt)
{
uint32_t *en;
int err = check_header_sw(fdt);
if (err)
return err;
en = grab_space(fdt, FDT_TAGSIZE);
if (! en)
return -FDT_ERR_NOSPACE;
*en = cpu_to_fdt32(FDT_END_NODE);
return 0;
}
int fdt_begin_node(void *fdt, const char *name)
{
struct fdt_node_header *nh;
int err = check_header_sw(fdt);
int namelen = strlen(name) + 1;
if (err)
return err;
nh = grab_space(fdt, sizeof(*nh) + ALIGN(namelen, FDT_TAGSIZE));
if (! nh)
return -FDT_ERR_NOSPACE;
nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
memcpy(nh->name, name, namelen);
return 0;
}
static void __ft_tsec_fixup(void *blob, bd_t *bd, const char *alias,
int phy_addr)
{
const char *phy_type = "sgmii";
const u32 *ph;
int off;
int err;
off = fdt_path_offset(blob, alias);
if (off < 0) {
printf("WARNING: could not find %s alias: %s.\n", alias,
fdt_strerror(off));
return;
}
err = fdt_setprop(blob, off, "phy-connection-type", phy_type,
strlen(phy_type) + 1);
if (err) {
printf("WARNING: could not set phy-connection-type for %s: "
"%s.\n", alias, fdt_strerror(err));
return;
}
ph = (u32 *)fdt_getprop(blob, off, "phy-handle", 0);
if (!ph) {
printf("WARNING: could not get phy-handle for %s.\n",
alias);
return;
}
off = fdt_node_offset_by_phandle(blob, *ph);
if (off < 0) {
printf("WARNING: could not get phy node for %s: %s\n", alias,
fdt_strerror(off));
return;
}
phy_addr = cpu_to_fdt32(phy_addr);
err = fdt_setprop(blob, off, "reg", &phy_addr, sizeof(phy_addr));
if (err < 0) {
printf("WARNING: could not set phy node's reg for %s: "
"%s.\n", alias, fdt_strerror(err));
return;
}
}
/* Get the value of a property of a package. */
static ssize_t
ofw_fdt_getprop(ofw_t ofw, phandle_t package, const char *propname, void *buf,
size_t buflen)
{
const void *prop;
const char *name;
int len, offset;
uint32_t cpuid;
offset = fdt_phandle_offset(package);
if (offset < 0)
return (-1);
prop = fdt_getprop(fdtp, offset, propname, &len);
if (prop == NULL && strcmp(propname, "name") == 0) {
/* Emulate the 'name' property */
name = fdt_get_name(fdtp, offset, &len);
strncpy(buf, name, buflen);
if (len + 1 > buflen)
len = buflen;
return (len + 1);
}
if (prop == NULL && offset == fdt_path_offset(fdtp, "/chosen")) {
if (strcmp(propname, "fdtbootcpu") == 0) {
cpuid = cpu_to_fdt32(fdt_boot_cpuid_phys(fdtp));
len = sizeof(cpuid);
prop = &cpuid;
}
if (strcmp(propname, "fdtmemreserv") == 0) {
prop = (char *)fdtp + fdt_off_mem_rsvmap(fdtp);
len = sizeof(uint64_t)*2*fdt_num_mem_rsv(fdtp);
}
}
if (prop == NULL)
return (-1);
if (len > buflen)
len = buflen;
bcopy(prop, buf, len);
return (len);
}
/*
* Process one entry in __fixups__ { } node
* @fixups is property value, array of NUL-terminated strings
* with fixup locations
* @fixups_len length of the fixups array in bytes
* @phandle is value for these locations
*/
static int
fdt_do_one_fixup(void *fdtp, const char *fixups, int fixups_len, int phandle)
{
void *fixup_pos;
uint32_t val;
val = cpu_to_fdt32(phandle);
while (fixups_len > 0) {
fixup_pos = fdt_get_fixup_location(fdtp, fixups);
if (fixup_pos != NULL)
memcpy(fixup_pos, &val, sizeof(val));
fixups_len -= strlen(fixups) + 1;
fixups += strlen(fixups) + 1;
}
return (0);
}
