diff options
Diffstat (limited to 'arch/mips/generic/init.c')
| -rw-r--r-- | arch/mips/generic/init.c | 66 |
1 files changed, 25 insertions, 41 deletions
diff --git a/arch/mips/generic/init.c b/arch/mips/generic/init.c index 3f32b376d30e..1d712eac1617 100644 --- a/arch/mips/generic/init.c +++ b/arch/mips/generic/init.c @@ -1,32 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2016 Imagination Technologies - * Author: Paul Burton <paul.burton@imgtec.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. + * Author: Paul Burton <paul.burton@mips.com> */ #include <linux/clk.h> -#include <linux/clk-provider.h> #include <linux/clocksource.h> #include <linux/init.h> #include <linux/irqchip.h> +#include <linux/of_clk.h> #include <linux/of_fdt.h> -#include <linux/of_platform.h> +#include <asm/bootinfo.h> #include <asm/fw/fw.h> #include <asm/irq_cpu.h> #include <asm/machine.h> -#include <asm/mips-cpc.h> +#include <asm/mips-cps.h> #include <asm/prom.h> #include <asm/smp-ops.h> #include <asm/time.h> -static __initdata const void *fdt; -static __initdata const struct mips_machine *mach; -static __initdata const void *mach_match_data; +static __initconst const void *fdt; +static __initconst const struct mips_machine *mach; +static __initconst const void *mach_match_data; void __init prom_init(void) { @@ -43,15 +39,13 @@ void __init *plat_get_fdt(void) /* Already set up */ return (void *)fdt; - if ((fw_arg0 == -2) && !fdt_check_header((void *)fw_arg1)) { + fdt = (void *)get_fdt(); + if (fdt && !fdt_check_header(fdt)) { /* - * We booted using the UHI boot protocol, so we have been - * provided with the appropriate device tree for the board. - * Make use of it & search for any machine struct based upon - * the root compatible string. + * We have been provided with the appropriate device tree for + * the board. Make use of it & search for any machine struct + * based upon the root compatible string. */ - fdt = (void *)fw_arg1; - for_each_mips_machine(check_mach) { match = mips_machine_is_compatible(check_mach, fdt); if (match) { @@ -88,6 +82,8 @@ void __init *plat_get_fdt(void) return (void *)fdt; } +#ifdef CONFIG_RELOCATABLE + void __init plat_fdt_relocated(void *new_location) { /* @@ -101,25 +97,28 @@ void __init plat_fdt_relocated(void *new_location) fw_arg1 = (unsigned long)new_location; } +#endif /* CONFIG_RELOCATABLE */ + void __init plat_mem_setup(void) { if (mach && mach->fixup_fdt) fdt = mach->fixup_fdt(fdt, mach_match_data); - strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE); + fw_init_cmdline(); __dt_setup_arch((void *)fdt); } void __init device_tree_init(void) { - int err; - unflatten_and_copy_device_tree(); mips_cpc_probe(); - err = register_cps_smp_ops(); - if (err) - err = register_up_smp_ops(); + if (!register_cps_smp_ops()) + return; + if (!register_vsmp_smp_ops()) + return; + + register_up_smp_ops(); } int __init apply_mips_fdt_fixups(void *fdt_out, size_t fdt_out_size, @@ -199,22 +198,7 @@ void __init arch_init_irq(void) "mti,cpu-interrupt-controller"); if (!cpu_has_veic && !intc_node) mips_cpu_irq_init(); + of_node_put(intc_node); irqchip_init(); } - -static int __init publish_devices(void) -{ - if (!of_have_populated_dt()) - panic("Device-tree not present"); - - if (of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL)) - panic("Failed to populate DT"); - - return 0; -} -arch_initcall(publish_devices); - -void __init prom_free_prom_memory(void) -{ -} |