diff options
Diffstat (limited to 'arch/arm/mach-uniphier/headsmp.S')
| -rw-r--r-- | arch/arm/mach-uniphier/headsmp.S | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/arm/mach-uniphier/headsmp.S b/arch/arm/mach-uniphier/headsmp.S deleted file mode 100644 index c819dff84546..000000000000 --- a/arch/arm/mach-uniphier/headsmp.S +++ /dev/null @@ -1,43 +0,0 @@ -/* - * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.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. - * - * 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. - */ - -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/cp15.h> - -ENTRY(uniphier_smp_trampoline) -ARM_BE8(setend be) @ ensure we are in BE8 mode - mrc p15, 0, r0, c0, c0, 5 @ MPIDR (Multiprocessor Affinity Reg) - and r2, r0, #0x3 @ CPU ID - ldr r1, uniphier_smp_trampoline_jump - ldr r3, uniphier_smp_trampoline_poll_addr - mrc p15, 0, r0, c1, c0, 0 @ SCTLR (System Control Register) - orr r0, r0, #CR_I @ Enable ICache - bic r0, r0, #(CR_C | CR_M) @ Disable MMU and Dcache - mcr p15, 0, r0, c1, c0, 0 - b 1f @ cache the following 5 instructions -0: wfe -1: ldr r0, [r3] - cmp r0, r2 - bxeq r1 @ branch to secondary_startup - b 0b - .globl uniphier_smp_trampoline_jump -uniphier_smp_trampoline_jump: - .word 0 @ set virt_to_phys(secondary_startup) - .globl uniphier_smp_trampoline_poll_addr -uniphier_smp_trampoline_poll_addr: - .word 0 @ set CPU ID to be kicked to this reg - .globl uniphier_smp_trampoline_end -uniphier_smp_trampoline_end: -ENDPROC(uniphier_smp_trampoline) |