diff options
Diffstat (limited to 'arch/loongarch/include')
-rw-r--r-- | arch/loongarch/include/asm/acpi.h | 142 | ||||
-rw-r--r-- | arch/loongarch/include/asm/efi.h | 14 | ||||
-rw-r--r-- | arch/loongarch/include/asm/irq.h | 4 | ||||
-rw-r--r-- | arch/loongarch/include/asm/pgalloc.h | 13 | ||||
-rw-r--r-- | arch/loongarch/include/asm/pgtable.h | 34 | ||||
-rw-r--r-- | arch/loongarch/include/asm/smp.h | 38 | ||||
-rw-r--r-- | arch/loongarch/include/asm/sparsemem.h | 8 |
7 files changed, 56 insertions, 197 deletions
diff --git a/arch/loongarch/include/asm/acpi.h b/arch/loongarch/include/asm/acpi.h index 17162f494b9b..825c2519b9d1 100644 --- a/arch/loongarch/include/asm/acpi.h +++ b/arch/loongarch/include/asm/acpi.h @@ -31,148 +31,6 @@ static inline bool acpi_has_cpu_in_madt(void) extern struct list_head acpi_wakeup_device_list; -/* - * Temporary definitions until the core ACPICA code gets updated (see - * 1656837932-18257-1-git-send-email-lvjianmin@loongson.cn and its - * follow-ups for the "rationale"). - * - * Once the "legal reasons" are cleared and that the code is merged, - * this can be dropped entierely. - */ -#if (ACPI_CA_VERSION == 0x20220331 && !defined(LOONGARCH_ACPICA_EXT)) - -#define LOONGARCH_ACPICA_EXT 1 - -#define ACPI_MADT_TYPE_CORE_PIC 17 -#define ACPI_MADT_TYPE_LIO_PIC 18 -#define ACPI_MADT_TYPE_HT_PIC 19 -#define ACPI_MADT_TYPE_EIO_PIC 20 -#define ACPI_MADT_TYPE_MSI_PIC 21 -#define ACPI_MADT_TYPE_BIO_PIC 22 -#define ACPI_MADT_TYPE_LPC_PIC 23 - -/* Values for Version field above */ - -enum acpi_madt_core_pic_version { - ACPI_MADT_CORE_PIC_VERSION_NONE = 0, - ACPI_MADT_CORE_PIC_VERSION_V1 = 1, - ACPI_MADT_CORE_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ -}; - -enum acpi_madt_lio_pic_version { - ACPI_MADT_LIO_PIC_VERSION_NONE = 0, - ACPI_MADT_LIO_PIC_VERSION_V1 = 1, - ACPI_MADT_LIO_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ -}; - -enum acpi_madt_eio_pic_version { - ACPI_MADT_EIO_PIC_VERSION_NONE = 0, - ACPI_MADT_EIO_PIC_VERSION_V1 = 1, - ACPI_MADT_EIO_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ -}; - -enum acpi_madt_ht_pic_version { - ACPI_MADT_HT_PIC_VERSION_NONE = 0, - ACPI_MADT_HT_PIC_VERSION_V1 = 1, - ACPI_MADT_HT_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ -}; - -enum acpi_madt_bio_pic_version { - ACPI_MADT_BIO_PIC_VERSION_NONE = 0, - ACPI_MADT_BIO_PIC_VERSION_V1 = 1, - ACPI_MADT_BIO_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ -}; - -enum acpi_madt_msi_pic_version { - ACPI_MADT_MSI_PIC_VERSION_NONE = 0, - ACPI_MADT_MSI_PIC_VERSION_V1 = 1, - ACPI_MADT_MSI_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ -}; - -enum acpi_madt_lpc_pic_version { - ACPI_MADT_LPC_PIC_VERSION_NONE = 0, - ACPI_MADT_LPC_PIC_VERSION_V1 = 1, - ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ -}; - -#pragma pack(1) - -/* Core Interrupt Controller */ - -struct acpi_madt_core_pic { - struct acpi_subtable_header header; - u8 version; - u32 processor_id; - u32 core_id; - u32 flags; -}; - -/* Legacy I/O Interrupt Controller */ - -struct acpi_madt_lio_pic { - struct acpi_subtable_header header; - u8 version; - u64 address; - u16 size; - u8 cascade[2]; - u32 cascade_map[2]; -}; - -/* Extend I/O Interrupt Controller */ - -struct acpi_madt_eio_pic { - struct acpi_subtable_header header; - u8 version; - u8 cascade; - u8 node; - u64 node_map; -}; - -/* HT Interrupt Controller */ - -struct acpi_madt_ht_pic { - struct acpi_subtable_header header; - u8 version; - u64 address; - u16 size; - u8 cascade[8]; -}; - -/* Bridge I/O Interrupt Controller */ - -struct acpi_madt_bio_pic { - struct acpi_subtable_header header; - u8 version; - u64 address; - u16 size; - u16 id; - u16 gsi_base; -}; - -/* MSI Interrupt Controller */ - -struct acpi_madt_msi_pic { - struct acpi_subtable_header header; - u8 version; - u64 msg_address; - u32 start; - u32 count; -}; - -/* LPC Interrupt Controller */ - -struct acpi_madt_lpc_pic { - struct acpi_subtable_header header; - u8 version; - u64 address; - u16 size; - u8 cascade; -}; - -#pragma pack() - -#endif - #endif /* !CONFIG_ACPI */ #define ACPI_TABLE_UPGRADE_MAX_PHYS ARCH_LOW_ADDRESS_LIMIT diff --git a/arch/loongarch/include/asm/efi.h b/arch/loongarch/include/asm/efi.h index 174567b00ddb..97f16e60c6ff 100644 --- a/arch/loongarch/include/asm/efi.h +++ b/arch/loongarch/include/asm/efi.h @@ -19,18 +19,18 @@ void efifb_setup_from_dmi(struct screen_info *si, const char *opt); #define EFI_ALLOC_ALIGN SZ_64K #define EFI_RT_VIRTUAL_OFFSET CSR_DMW0_BASE -static inline struct screen_info *alloc_screen_info(void) +static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr) { - return &screen_info; + return ULONG_MAX; } -static inline void free_screen_info(struct screen_info *si) +static inline unsigned long efi_get_kimg_min_align(void) { + return SZ_2M; } -static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr) -{ - return ULONG_MAX; -} +#define EFI_KIMG_PREFERRED_ADDRESS PHYSADDR(VMLINUX_LOAD_ADDRESS) + +unsigned long kernel_entry_address(void); #endif /* _ASM_LOONGARCH_EFI_H */ diff --git a/arch/loongarch/include/asm/irq.h b/arch/loongarch/include/asm/irq.h index d06d4542b634..a115e8999c69 100644 --- a/arch/loongarch/include/asm/irq.h +++ b/arch/loongarch/include/asm/irq.h @@ -93,7 +93,7 @@ int liointc_acpi_init(struct irq_domain *parent, int eiointc_acpi_init(struct irq_domain *parent, struct acpi_madt_eio_pic *acpi_eiointc); -struct irq_domain *htvec_acpi_init(struct irq_domain *parent, +int htvec_acpi_init(struct irq_domain *parent, struct acpi_madt_ht_pic *acpi_htvec); int pch_lpc_acpi_init(struct irq_domain *parent, struct acpi_madt_lpc_pic *acpi_pchlpc); @@ -117,7 +117,7 @@ extern struct fwnode_handle *liointc_handle; extern struct fwnode_handle *pch_lpc_handle; extern struct fwnode_handle *pch_pic_handle[MAX_IO_PICS]; -extern irqreturn_t loongson3_ipi_interrupt(int irq, void *dev); +extern irqreturn_t loongson_ipi_interrupt(int irq, void *dev); #include <asm-generic/irq.h> diff --git a/arch/loongarch/include/asm/pgalloc.h b/arch/loongarch/include/asm/pgalloc.h index 4bfeb3c9c9ac..af1d1e4a6965 100644 --- a/arch/loongarch/include/asm/pgalloc.h +++ b/arch/loongarch/include/asm/pgalloc.h @@ -42,15 +42,6 @@ static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4d, pud_t *pud) extern void pagetable_init(void); -/* - * Initialize a new pmd table with invalid pointers. - */ -extern void pmd_init(unsigned long page, unsigned long pagetable); - -/* - * Initialize a new pgd / pmd table with invalid pointers. - */ -extern void pgd_init(unsigned long page); extern pgd_t *pgd_alloc(struct mm_struct *mm); #define __pte_free_tlb(tlb, pte, address) \ @@ -76,7 +67,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) } pmd = (pmd_t *)page_address(pg); - pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table); + pmd_init(pmd); return pmd; } @@ -92,7 +83,7 @@ static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address) pud = (pud_t *) __get_free_page(GFP_KERNEL); if (pud) - pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table); + pud_init(pud); return pud; } diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h index 946704bee599..7a34e900d8c1 100644 --- a/arch/loongarch/include/asm/pgtable.h +++ b/arch/loongarch/include/asm/pgtable.h @@ -11,6 +11,7 @@ #include <linux/compiler.h> #include <asm/addrspace.h> +#include <asm/page.h> #include <asm/pgtable-bits.h> #if CONFIG_PGTABLE_LEVELS == 2 @@ -59,6 +60,7 @@ #include <linux/mm_types.h> #include <linux/mmzone.h> #include <asm/fixmap.h> +#include <asm/sparsemem.h> struct mm_struct; struct vm_area_struct; @@ -86,7 +88,10 @@ extern unsigned long zero_page_mask; #define VMALLOC_START MODULES_END #define VMALLOC_END \ (vm_map_base + \ - min(PTRS_PER_PGD * PTRS_PER_PUD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE, (1UL << cpu_vabits)) - PMD_SIZE) + min(PTRS_PER_PGD * PTRS_PER_PUD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE, (1UL << cpu_vabits)) - PMD_SIZE - VMEMMAP_SIZE) + +#define vmemmap ((struct page *)((VMALLOC_END + PMD_SIZE) & PMD_MASK)) +#define VMEMMAP_END ((unsigned long)vmemmap + VMEMMAP_SIZE - 1) #define pte_ERROR(e) \ pr_err("%s:%d: bad pte %016lx.\n", __FILE__, __LINE__, pte_val(e)) @@ -237,11 +242,11 @@ extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pm #define pfn_pmd(pfn, prot) __pmd(((pfn) << _PFN_SHIFT) | pgprot_val(prot)) /* - * Initialize a new pgd / pmd table with invalid pointers. + * Initialize a new pgd / pud / pmd table with invalid pointers. */ -extern void pgd_init(unsigned long page); -extern void pud_init(unsigned long page, unsigned long pagetable); -extern void pmd_init(unsigned long page, unsigned long pagetable); +extern void pgd_init(void *addr); +extern void pud_init(void *addr); +extern void pmd_init(void *addr); /* * Non-present pages: high 40 bits are offset, next 8 bits type, @@ -349,13 +354,17 @@ static inline pte_t pte_mkclean(pte_t pte) static inline pte_t pte_mkdirty(pte_t pte) { - pte_val(pte) |= (_PAGE_DIRTY | _PAGE_MODIFIED); + pte_val(pte) |= _PAGE_MODIFIED; + if (pte_val(pte) & _PAGE_WRITE) + pte_val(pte) |= _PAGE_DIRTY; return pte; } static inline pte_t pte_mkwrite(pte_t pte) { - pte_val(pte) |= (_PAGE_WRITE | _PAGE_DIRTY); + pte_val(pte) |= _PAGE_WRITE; + if (pte_val(pte) & _PAGE_MODIFIED) + pte_val(pte) |= _PAGE_DIRTY; return pte; } @@ -421,8 +430,6 @@ static inline void update_mmu_cache_pmd(struct vm_area_struct *vma, __update_tlb(vma, address, (pte_t *)pmdp); } -#define kern_addr_valid(addr) (1) - static inline unsigned long pmd_pfn(pmd_t pmd) { return (pmd_val(pmd) & _PFN_MASK) >> _PFN_SHIFT; @@ -455,7 +462,9 @@ static inline int pmd_write(pmd_t pmd) static inline pmd_t pmd_mkwrite(pmd_t pmd) { - pmd_val(pmd) |= (_PAGE_WRITE | _PAGE_DIRTY); + pmd_val(pmd) |= _PAGE_WRITE; + if (pmd_val(pmd) & _PAGE_MODIFIED) + pmd_val(pmd) |= _PAGE_DIRTY; return pmd; } @@ -478,10 +487,13 @@ static inline pmd_t pmd_mkclean(pmd_t pmd) static inline pmd_t pmd_mkdirty(pmd_t pmd) { - pmd_val(pmd) |= (_PAGE_DIRTY | _PAGE_MODIFIED); + pmd_val(pmd) |= _PAGE_MODIFIED; + if (pmd_val(pmd) & _PAGE_WRITE) + pmd_val(pmd) |= _PAGE_DIRTY; return pmd; } +#define pmd_young pmd_young static inline int pmd_young(pmd_t pmd) { return !!(pmd_val(pmd) & _PAGE_ACCESSED); diff --git a/arch/loongarch/include/asm/smp.h b/arch/loongarch/include/asm/smp.h index 71189b28bfb2..d82687390b4a 100644 --- a/arch/loongarch/include/asm/smp.h +++ b/arch/loongarch/include/asm/smp.h @@ -19,21 +19,21 @@ extern cpumask_t cpu_sibling_map[]; extern cpumask_t cpu_core_map[]; extern cpumask_t cpu_foreign_map[]; -void loongson3_smp_setup(void); -void loongson3_prepare_cpus(unsigned int max_cpus); -void loongson3_boot_secondary(int cpu, struct task_struct *idle); -void loongson3_init_secondary(void); -void loongson3_smp_finish(void); -void loongson3_send_ipi_single(int cpu, unsigned int action); -void loongson3_send_ipi_mask(const struct cpumask *mask, unsigned int action); +void loongson_smp_setup(void); +void loongson_prepare_cpus(unsigned int max_cpus); +void loongson_boot_secondary(int cpu, struct task_struct *idle); +void loongson_init_secondary(void); +void loongson_smp_finish(void); +void loongson_send_ipi_single(int cpu, unsigned int action); +void loongson_send_ipi_mask(const struct cpumask *mask, unsigned int action); #ifdef CONFIG_HOTPLUG_CPU -int loongson3_cpu_disable(void); -void loongson3_cpu_die(unsigned int cpu); +int loongson_cpu_disable(void); +void loongson_cpu_die(unsigned int cpu); #endif static inline void plat_smp_setup(void) { - loongson3_smp_setup(); + loongson_smp_setup(); } static inline int raw_smp_processor_id(void) @@ -78,35 +78,25 @@ extern void calculate_cpu_foreign_map(void); */ extern void show_ipi_list(struct seq_file *p, int prec); -/* - * This function sends a 'reschedule' IPI to another CPU. - * it goes straight through and wastes no time serializing - * anything. Worst case is that we lose a reschedule ... - */ -static inline void smp_send_reschedule(int cpu) -{ - loongson3_send_ipi_single(cpu, SMP_RESCHEDULE); -} - static inline void arch_send_call_function_single_ipi(int cpu) { - loongson3_send_ipi_single(cpu, SMP_CALL_FUNCTION); + loongson_send_ipi_single(cpu, SMP_CALL_FUNCTION); } static inline void arch_send_call_function_ipi_mask(const struct cpumask *mask) { - loongson3_send_ipi_mask(mask, SMP_CALL_FUNCTION); + loongson_send_ipi_mask(mask, SMP_CALL_FUNCTION); } #ifdef CONFIG_HOTPLUG_CPU static inline int __cpu_disable(void) { - return loongson3_cpu_disable(); + return loongson_cpu_disable(); } static inline void __cpu_die(unsigned int cpu) { - loongson3_cpu_die(cpu); + loongson_cpu_die(cpu); } extern void play_dead(void); diff --git a/arch/loongarch/include/asm/sparsemem.h b/arch/loongarch/include/asm/sparsemem.h index 3d18cdf1b069..8d4af6aff8a8 100644 --- a/arch/loongarch/include/asm/sparsemem.h +++ b/arch/loongarch/include/asm/sparsemem.h @@ -11,8 +11,16 @@ #define SECTION_SIZE_BITS 29 /* 2^29 = Largest Huge Page Size */ #define MAX_PHYSMEM_BITS 48 +#ifdef CONFIG_SPARSEMEM_VMEMMAP +#define VMEMMAP_SIZE (sizeof(struct page) * (1UL << (cpu_pabits + 1 - PAGE_SHIFT))) +#endif + #endif /* CONFIG_SPARSEMEM */ +#ifndef VMEMMAP_SIZE +#define VMEMMAP_SIZE 0 /* 1, For FLATMEM; 2, For SPARSEMEM without VMEMMAP. */ +#endif + #ifdef CONFIG_MEMORY_HOTPLUG int memory_add_physaddr_to_nid(u64 addr); #define memory_add_physaddr_to_nid memory_add_physaddr_to_nid |