diff options
Diffstat (limited to 'arch/arm/include/asm/system.h')
| -rw-r--r-- | arch/arm/include/asm/system.h | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index b8c1b4ea74..37c1bfd726 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -207,7 +207,7 @@ int __asm_invalidate_l3_icache(void); void __asm_switch_ttbr(u64 new_ttbr); /* - * Switch from EL3 to EL2 for ARMv8 + * armv8_switch_to_el2() - switch from EL3 to EL2 for ARMv8 * * @args: For loading 64-bit OS, fdt address. * For loading 32-bit OS, zero. @@ -222,7 +222,7 @@ void __asm_switch_ttbr(u64 new_ttbr); void __noreturn armv8_switch_to_el2(u64 args, u64 mach_nr, u64 fdt_addr, u64 arg4, u64 entry_point, u64 es_flag); /* - * Switch from EL2 to EL1 for ARMv8 + * armv8_switch_to_el1() - switch from EL2 to EL1 for ARMv8 * * @args: For loading 64-bit OS, fdt address. * For loading 32-bit OS, zero. @@ -248,11 +248,12 @@ void flush_l3_cache(void); void mmu_change_region_attr(phys_addr_t start, size_t size, u64 attrs); /* - *Issue a secure monitor call in accordance with ARM "SMC Calling convention", + * smc_call() - issue a secure monitor call + * + * Issue a secure monitor call in accordance with ARM "SMC Calling convention", * DEN0028A * * @args: input and output arguments - * */ void smc_call(struct pt_regs *args); @@ -521,10 +522,12 @@ enum { #endif /** + * mmu_page_table_flush() - register an update to page tables + * * Register an update to the page tables, and flush the TLB * - * \param start start address of update in page table - * \param stop stop address of update in page table + * @start: start address of update in page table + * @stop: stop address of update in page table */ void mmu_page_table_flush(unsigned long start, unsigned long stop); @@ -585,11 +588,26 @@ s32 psci_features(u32 function_id, u32 psci_fid); void save_boot_params_ret(void); /** + * mmu_set_region_dcache_behaviour_phys() - set virt/phys mapping + * + * Change the virt/phys mapping and cache settings for a region. + * + * @virt: virtual start address of memory region to change + * @phys: physical address for the memory region to set + * @size: size of memory region to change + * @option: dcache option to select + */ +void mmu_set_region_dcache_behaviour_phys(phys_addr_t virt, phys_addr_t phys, + size_t size, enum dcache_option option); + +/** + * mmu_set_region_dcache_behaviour() - set cache settings + * * Change the cache settings for a region. * - * \param start start address of memory region to change - * \param size size of memory region to change - * \param option dcache option to select + * @start: start address of memory region to change + * @size: size of memory region to change + * @option: dcache option to select */ void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size, enum dcache_option option); |