diff options
Diffstat (limited to 'arch/nios2')
-rw-r--r-- | arch/nios2/Kconfig | 3 | ||||
-rw-r--r-- | arch/nios2/Makefile | 11 | ||||
-rw-r--r-- | arch/nios2/boot/Makefile | 22 | ||||
-rw-r--r-- | arch/nios2/boot/dts/Makefile | 6 | ||||
-rw-r--r-- | arch/nios2/boot/linked_dtb.S | 19 | ||||
-rw-r--r-- | arch/nios2/include/asm/processor.h | 6 | ||||
-rw-r--r-- | arch/nios2/include/uapi/asm/unistd.h | 1 | ||||
-rw-r--r-- | arch/nios2/kernel/cpuinfo.c | 4 | ||||
-rw-r--r-- | arch/nios2/kernel/prom.c | 19 | ||||
-rw-r--r-- | arch/nios2/kernel/setup.c | 40 | ||||
-rw-r--r-- | arch/nios2/kernel/time.c | 4 | ||||
-rw-r--r-- | arch/nios2/mm/init.c | 4 |
12 files changed, 25 insertions, 114 deletions
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig index f4ad1138e6b9..7e95506e957a 100644 --- a/arch/nios2/Kconfig +++ b/arch/nios2/Kconfig @@ -4,7 +4,7 @@ config NIOS2 select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_SYNC_DMA_FOR_DEVICE select ARCH_NO_SWAP - select DMA_NONCOHERENT_OPS + select DMA_DIRECT_OPS select TIMER_OF select GENERIC_ATOMIC64 select GENERIC_CLOCKEVENTS @@ -23,6 +23,7 @@ config NIOS2 select SPARSE_IRQ select USB_ARCH_HAS_HCD if USB_SUPPORT select CPU_NO_EFFICIENT_FFS + select ARCH_DISCARD_MEMBLOCK config GENERIC_CSUM def_bool y diff --git a/arch/nios2/Makefile b/arch/nios2/Makefile index 8673a79dca9c..52c03e60b114 100644 --- a/arch/nios2/Makefile +++ b/arch/nios2/Makefile @@ -49,21 +49,13 @@ BOOT_TARGETS = vmImage zImage PHONY += $(BOOT_TARGETS) install KBUILD_IMAGE := $(nios2-boot)/vmImage -ifneq ($(CONFIG_NIOS2_DTB_SOURCE),"") - core-y += $(nios2-boot)/ -endif +core-y += $(nios2-boot)/dts/ all: vmImage archclean: $(Q)$(MAKE) $(clean)=$(nios2-boot) -%.dtb: | scripts - $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ - -dtbs: - $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ - $(BOOT_TARGETS): vmlinux $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ @@ -76,5 +68,4 @@ define archhelp echo ' (your) ~/bin/$(INSTALLKERNEL) or' echo ' (distribution) /sbin/$(INSTALLKERNEL) or' echo ' install to $$(INSTALL_PATH)' - echo ' dtbs - Build device tree blobs for enabled boards' endef diff --git a/arch/nios2/boot/Makefile b/arch/nios2/boot/Makefile index 2ba23a679732..37dfc7e584bc 100644 --- a/arch/nios2/boot/Makefile +++ b/arch/nios2/boot/Makefile @@ -31,27 +31,5 @@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE $(obj)/compressed/vmlinux: $(obj)/vmlinux.gz FORCE $(Q)$(MAKE) $(build)=$(obj)/compressed $@ -# Rule to build device tree blobs -DTB_SRC := $(patsubst "%",%,$(CONFIG_NIOS2_DTB_SOURCE)) - -# Make sure the generated dtb gets removed during clean -extra-$(CONFIG_NIOS2_DTB_SOURCE_BOOL) += system.dtb - -$(obj)/system.dtb: $(DTB_SRC) FORCE - $(call cmd,dtc) - -# Ensure system.dtb exists -$(obj)/linked_dtb.o: $(obj)/system.dtb - -obj-$(CONFIG_NIOS2_DTB_SOURCE_BOOL) += linked_dtb.o - -targets += $(dtb-y) - -# Rule to build device tree blobs with make command -$(obj)/%.dtb: $(src)/dts/%.dts FORCE - $(call if_changed_dep,dtc) - -$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y)) - install: sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)" diff --git a/arch/nios2/boot/dts/Makefile b/arch/nios2/boot/dts/Makefile new file mode 100644 index 000000000000..a91a0b09be63 --- /dev/null +++ b/arch/nios2/boot/dts/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 + +obj-y := $(patsubst "%.dts",%.dtb.o,$(CONFIG_NIOS2_DTB_SOURCE)) + +dtstree := $(srctree)/$(src) +dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts)) diff --git a/arch/nios2/boot/linked_dtb.S b/arch/nios2/boot/linked_dtb.S deleted file mode 100644 index 071f922db338..000000000000 --- a/arch/nios2/boot/linked_dtb.S +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Copyright (C) 2011 Thomas Chou <thomas@wytron.com.tw> - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - */ -.section .dtb.init.rodata,"a" -.incbin "arch/nios2/boot/system.dtb" diff --git a/arch/nios2/include/asm/processor.h b/arch/nios2/include/asm/processor.h index 4944e2e1d8b0..94bcb86f679f 100644 --- a/arch/nios2/include/asm/processor.h +++ b/arch/nios2/include/asm/processor.h @@ -38,12 +38,6 @@ #define KUSER_SIZE (PAGE_SIZE) #ifndef __ASSEMBLY__ -/* - * Default implementation of macro that returns current - * instruction pointer ("program counter"). - */ -#define current_text_addr() ({ __label__ _l; _l: &&_l; }) - # define TASK_SIZE 0x7FFF0000UL # define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3)) diff --git a/arch/nios2/include/uapi/asm/unistd.h b/arch/nios2/include/uapi/asm/unistd.h index b6bdae04bc84..d9948d88790b 100644 --- a/arch/nios2/include/uapi/asm/unistd.h +++ b/arch/nios2/include/uapi/asm/unistd.h @@ -19,6 +19,7 @@ #define sys_mmap2 sys_mmap_pgoff #define __ARCH_WANT_RENAMEAT +#define __ARCH_WANT_STAT64 /* Use the standard ABI for syscalls */ #include <asm-generic/unistd.h> diff --git a/arch/nios2/kernel/cpuinfo.c b/arch/nios2/kernel/cpuinfo.c index 93207718bb22..ccc1d2a15a0a 100644 --- a/arch/nios2/kernel/cpuinfo.c +++ b/arch/nios2/kernel/cpuinfo.c @@ -47,7 +47,7 @@ void __init setup_cpuinfo(void) const char *str; int len; - cpu = of_find_node_by_type(NULL, "cpu"); + cpu = of_get_cpu_node(0, NULL); if (!cpu) panic("%s: No CPU found in devicetree!\n", __func__); @@ -120,6 +120,8 @@ void __init setup_cpuinfo(void) cpuinfo.reset_addr = fcpu(cpu, "altr,reset-addr"); cpuinfo.exception_addr = fcpu(cpu, "altr,exception-addr"); cpuinfo.fast_tlb_miss_exc_addr = fcpu(cpu, "altr,fast-tlb-miss-addr"); + + of_node_put(cpu); } #ifdef CONFIG_PROC_FS diff --git a/arch/nios2/kernel/prom.c b/arch/nios2/kernel/prom.c index 8d7446a4b475..232a36b511aa 100644 --- a/arch/nios2/kernel/prom.c +++ b/arch/nios2/kernel/prom.c @@ -25,30 +25,13 @@ #include <linux/init.h> #include <linux/types.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/of.h> #include <linux/of_fdt.h> #include <linux/io.h> #include <asm/sections.h> -void __init early_init_dt_add_memory_arch(u64 base, u64 size) -{ - u64 kernel_start = (u64)virt_to_phys(_text); - - if (!memory_size && - (kernel_start >= base) && (kernel_start < (base + size))) - memory_size = size; - -} - -int __init early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size, - bool nomap) -{ - reserve_bootmem(base, size, BOOTMEM_DEFAULT); - return 0; -} - void __init early_init_devtree(void *params) { __be32 *dtb = (u32 *)__dtb_start; diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c index 926a02b17b31..6bbd4ae2beb0 100644 --- a/arch/nios2/kernel/setup.c +++ b/arch/nios2/kernel/setup.c @@ -16,7 +16,7 @@ #include <linux/sched.h> #include <linux/sched/task.h> #include <linux/console.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/initrd.h> #include <linux/of_fdt.h> #include <linux/screen_info.h> @@ -143,10 +143,12 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6, void __init setup_arch(char **cmdline_p) { - int bootmap_size; + int dram_start; console_verbose(); + dram_start = memblock_start_of_DRAM(); + memory_size = memblock_phys_mem_size(); memory_start = PAGE_ALIGN((unsigned long)__pa(_end)); memory_end = (unsigned long) CONFIG_NIOS2_MEM_BASE + memory_size; @@ -163,39 +165,11 @@ void __init setup_arch(char **cmdline_p) max_low_pfn = PFN_DOWN(memory_end); max_mapnr = max_low_pfn; - /* - * give all the memory to the bootmap allocator, tell it to put the - * boot mem_map at the start of memory - */ - pr_debug("init_bootmem_node(?,%#lx, %#x, %#lx)\n", - min_low_pfn, PFN_DOWN(PHYS_OFFSET), max_low_pfn); - bootmap_size = init_bootmem_node(NODE_DATA(0), - min_low_pfn, PFN_DOWN(PHYS_OFFSET), - max_low_pfn); - - /* - * free the usable memory, we have to make sure we do not free - * the bootmem bitmap so we then reserve it after freeing it :-) - */ - pr_debug("free_bootmem(%#lx, %#lx)\n", - memory_start, memory_end - memory_start); - free_bootmem(memory_start, memory_end - memory_start); - - /* - * Reserve the bootmem bitmap itself as well. We do this in two - * steps (first step was init_bootmem()) because this catches - * the (very unlikely) case of us accidentally initializing the - * bootmem allocator with an invalid RAM area. - * - * Arguments are start, size - */ - pr_debug("reserve_bootmem(%#lx, %#x)\n", memory_start, bootmap_size); - reserve_bootmem(memory_start, bootmap_size, BOOTMEM_DEFAULT); - + memblock_reserve(dram_start, memory_start - dram_start); #ifdef CONFIG_BLK_DEV_INITRD if (initrd_start) { - reserve_bootmem(virt_to_phys((void *)initrd_start), - initrd_end - initrd_start, BOOTMEM_DEFAULT); + memblock_reserve(virt_to_phys((void *)initrd_start), + initrd_end - initrd_start); } #endif /* CONFIG_BLK_DEV_INITRD */ diff --git a/arch/nios2/kernel/time.c b/arch/nios2/kernel/time.c index ab88b6dd4679..54467d0085a1 100644 --- a/arch/nios2/kernel/time.c +++ b/arch/nios2/kernel/time.c @@ -214,12 +214,12 @@ static int __init nios2_timer_get_base_and_freq(struct device_node *np, { *base = of_iomap(np, 0); if (!*base) { - pr_crit("Unable to map reg for %s\n", np->name); + pr_crit("Unable to map reg for %pOFn\n", np); return -ENXIO; } if (of_property_read_u32(np, "clock-frequency", freq)) { - pr_crit("Unable to get %s clock frequency\n", np->name); + pr_crit("Unable to get %pOFn clock frequency\n", np); return -EINVAL; } diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c index c92fe4234009..16cea5776b87 100644 --- a/arch/nios2/mm/init.c +++ b/arch/nios2/mm/init.c @@ -23,7 +23,7 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/pagemap.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/slab.h> #include <linux/binfmts.h> @@ -73,7 +73,7 @@ void __init mem_init(void) high_memory = __va(end_mem); /* this will put all memory onto the freelists */ - free_all_bootmem(); + memblock_free_all(); mem_init_print_info(NULL); } |