/* * Copyright 2014 Freescale Semiconductor, Inc. * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #ifdef CONFIG_FSL_ESDHC #include #endif #include "mp.h" #ifdef CONFIG_MP 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); } #endif void ft_cpu_setup(void *blob, bd_t *bd) { #ifdef CONFIG_MP ft_fixup_cpu(blob); #endif #ifdef CONFIG_SYS_NS16550 do_fixup_by_compat_u32(blob, "fsl,ns16550", "clock-frequency", CONFIG_SYS_NS16550_CLK, 1); #endif #if defined(CONFIG_FSL_ESDHC) fdt_fixup_esdhc(blob, bd); #endif }