void ft_fixup_cpu(void *blob)
{
int off;
__maybe_unused u64 spin_tbl_addr = (u64)get_spin_tbl_addr();
fdt32_t *reg;
int addr_cells;
u64 val, core_id;
size_t *boot_code_size = &(__secondary_boot_code_size);
off = fdt_path_offset(blob, "/cpus");
if (off < 0) {
puts("couldn't find /cpus node\n");
return;
}
of_bus_default_count_cells(blob, off, &addr_cells, NULL);
off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
while (off != -FDT_ERR_NOTFOUND) {
reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
core_id = of_read_number(reg, addr_cells);
if (reg) {
if (core_id == 0 || (is_core_online(core_id))) {
val = spin_tbl_addr;
val += id_to_core(core_id) *
SPIN_TABLE_ELEM_SIZE;
val = cpu_to_fdt64(val);
fdt_setprop_string(blob, off, "enable-method",
"spin-table");
fdt_setprop(blob, off, "cpu-release-addr",
&val, sizeof(val));
} else {
debug("skipping offline core\n");
}
} else {
puts("Warning: found cpu node without reg property\n");
}
off = fdt_node_offset_by_prop_value(blob, off, "device_type",
"cpu", 4);
}
fdt_add_mem_rsv(blob, (uintptr_t)&secondary_boot_code,
*boot_code_size);
}
void ft_fixup_cpu(void *blob)
{
int off;
__maybe_unused u64 spin_tbl_addr = (u64)get_spin_tbl_addr();
fdt32_t *reg;
int addr_cells;
u64 val, core_id;
size_t *boot_code_size = &(__secondary_boot_code_size);
u32 mask = cpu_pos_mask();
int off_prev = -1;
off = fdt_path_offset(blob, "/cpus");
if (off < 0) {
puts("couldn't find /cpus node\n");
return;
}
fdt_support_default_count_cells(blob, off, &addr_cells, NULL);
off = fdt_node_offset_by_prop_value(blob, off_prev, "device_type",
"cpu", 4);
while (off != -FDT_ERR_NOTFOUND) {
reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
if (reg) {
core_id = fdt_read_number(reg, addr_cells);
if (!test_bit(id_to_core(core_id), &mask)) {
fdt_del_node(blob, off);
off = off_prev;
}
}
off_prev = off;
off = fdt_node_offset_by_prop_value(blob, off_prev,
"device_type", "cpu", 4);
}
#if defined(CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT) && \
defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI)
int node;
u32 psci_ver;
/* Check the psci version to determine if the psci is supported */
psci_ver = sec_firmware_support_psci_version();
if (psci_ver == 0xffffffff) {
/* remove psci DT node */
node = fdt_path_offset(blob, "/psci");
if (node >= 0)
goto remove_psci_node;
node = fdt_node_offset_by_compatible(blob, -1, "arm,psci");
if (node >= 0)
goto remove_psci_node;
node = fdt_node_offset_by_compatible(blob, -1, "arm,psci-0.2");
if (node >= 0)
goto remove_psci_node;
node = fdt_node_offset_by_compatible(blob, -1, "arm,psci-1.0");
if (node >= 0)
goto remove_psci_node;
remove_psci_node:
if (node >= 0)
fdt_del_node(blob, node);
} else {
return;
}
#endif
off = fdt_path_offset(blob, "/cpus");
if (off < 0) {
puts("couldn't find /cpus node\n");
return;
}
fdt_support_default_count_cells(blob, off, &addr_cells, NULL);
off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
while (off != -FDT_ERR_NOTFOUND) {
reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
if (reg) {
core_id = fdt_read_number(reg, addr_cells);
if (core_id == 0 || (is_core_online(core_id))) {
val = spin_tbl_addr;
val += id_to_core(core_id) *
SPIN_TABLE_ELEM_SIZE;
val = cpu_to_fdt64(val);
fdt_setprop_string(blob, off, "enable-method",
"spin-table");
fdt_setprop(blob, off, "cpu-release-addr",
&val, sizeof(val));
} else {
debug("skipping offline core\n");
}
} else {
puts("Warning: found cpu node without reg property\n");
}
off = fdt_node_offset_by_prop_value(blob, off, "device_type",
"cpu", 4);
}
fdt_add_mem_rsv(blob, (uintptr_t)&secondary_boot_code,
*boot_code_size);
#if defined(CONFIG_EFI_LOADER) && !defined(CONFIG_SPL_BUILD)
efi_add_memory_map((uintptr_t)&secondary_boot_code,
ALIGN(*boot_code_size, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
EFI_RESERVED_MEMORY_TYPE, false);
#endif
}
