diff options
Diffstat (limited to 'arch/unicore32/mm/proc-ucv2.S')
| -rw-r--r-- | arch/unicore32/mm/proc-ucv2.S | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/arch/unicore32/mm/proc-ucv2.S b/arch/unicore32/mm/proc-ucv2.S deleted file mode 100644 index 18f8c4fb21a0..000000000000 --- a/arch/unicore32/mm/proc-ucv2.S +++ /dev/null @@ -1,131 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * linux/arch/unicore32/mm/proc-ucv2.S - * - * Code specific to PKUnity SoC and UniCore ISA - * - * Copyright (C) 2001-2010 GUAN Xue-tao - */ -#include <linux/init.h> -#include <linux/linkage.h> -#include <linux/pgtable.h> -#include <asm/assembler.h> -#include <asm/hwcap.h> -#include <asm/pgtable-hwdef.h> - -#include "proc-macros.S" - -ENTRY(cpu_proc_fin) - stm.w (lr), [sp-] - mov ip, #PSR_R_BIT | PSR_I_BIT | PRIV_MODE - mov.a asr, ip - b.l __cpuc_flush_kern_all - ldm.w (pc), [sp]+ - -/* - * cpu_reset(loc) - * - * Perform a soft reset of the system. Put the CPU into the - * same state as it would be if it had been reset, and branch - * to what would be the reset vector. - * - * - loc - location to jump to for soft reset - */ - .align 5 -ENTRY(cpu_reset) - mov ip, #0 - movc p0.c5, ip, #28 @ Cache invalidate all - nop8 - - movc p0.c6, ip, #6 @ TLB invalidate all - nop8 - - movc ip, p0.c1, #0 @ ctrl register - or ip, ip, #0x2000 @ vector base address - andn ip, ip, #0x000f @ ............idam - movc p0.c1, ip, #0 @ disable caches and mmu - nop - mov pc, r0 @ jump to loc - nop8 - -/* - * cpu_do_idle() - * - * Idle the processor (eg, wait for interrupt). - * - * IRQs are already disabled. - */ -ENTRY(cpu_do_idle) - mov r0, #0 @ PCI address - .rept 8 - ldw r1, [r0] - .endr - mov pc, lr - -ENTRY(cpu_dcache_clean_area) -#ifndef CONFIG_CPU_DCACHE_LINE_DISABLE - csub.a r1, #MAX_AREA_SIZE - bsg 101f - mov r9, #PAGE_SZ - sub r9, r9, #1 @ PAGE_MASK -1: va2pa r0, r10, r11, r12, r13 @ r10 is PA - b 3f -2: cand.a r0, r9 - beq 1b -3: movc p0.c5, r10, #11 @ clean D entry - nop8 - add r0, r0, #CACHE_LINESIZE - add r10, r10, #CACHE_LINESIZE - sub.a r1, r1, #CACHE_LINESIZE - bua 2b - mov pc, lr -#endif -101: mov ip, #0 - movc p0.c5, ip, #10 @ Dcache clean all - nop8 - - mov pc, lr - -/* - * cpu_do_switch_mm(pgd_phys) - * - * Set the translation table base pointer to be pgd_phys - * - * - pgd_phys - physical address of new pgd - * - * It is assumed that: - * - we are not using split page tables - */ - .align 5 -ENTRY(cpu_do_switch_mm) - movc p0.c2, r0, #0 @ update page table ptr - nop8 - - movc p0.c6, ip, #6 @ TLB invalidate all - nop8 - - mov pc, lr - -/* - * cpu_set_pte(ptep, pte) - * - * Set a level 2 translation table entry. - * - * - ptep - pointer to level 2 translation table entry - * - pte - PTE value to store - */ - .align 5 -ENTRY(cpu_set_pte) - stw r1, [r0] -#ifndef CONFIG_CPU_DCACHE_LINE_DISABLE - sub r2, r0, #PAGE_OFFSET - movc p0.c5, r2, #11 @ Dcache clean line - nop8 -#else - mov ip, #0 - movc p0.c5, ip, #10 @ Dcache clean all - nop8 - @dcacheline_flush r0, r2, ip -#endif - mov pc, lr - |