From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Sat, 09 Dec 2023 08:38:01 +0000 Subject: [PATCH] enable docker ppp --- kernel/arch/openrisc/kernel/head.S | 17 +++++++++++------ 1 files changed, 11 insertions(+), 6 deletions(-) diff --git a/kernel/arch/openrisc/kernel/head.S b/kernel/arch/openrisc/kernel/head.S index 31ed257..459b0a1 100644 --- a/kernel/arch/openrisc/kernel/head.S +++ b/kernel/arch/openrisc/kernel/head.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * OpenRISC head.S * @@ -8,11 +9,6 @@ * Modifications for the OpenRISC architecture: * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> - * - * 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. */ #include <linux/linkage.h> @@ -20,10 +16,10 @@ #include <linux/errno.h> #include <linux/init.h> #include <linux/serial_reg.h> +#include <linux/pgtable.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/mmu.h> -#include <asm/pgtable.h> #include <asm/thread_info.h> #include <asm/cache.h> #include <asm/spr_defs.h> @@ -525,6 +521,15 @@ l.ori r3,r0,0x1 l.mtspr r0,r3,SPR_SR + /* + * Start the TTCR as early as possible, so that the RNG can make use of + * measurements of boot time from the earliest opportunity. Especially + * important is that the TTCR does not return zero by the time we reach + * rand_initialize(). + */ + l.movhi r3,hi(SPR_TTMR_CR) + l.mtspr r0,r3,SPR_TTMR + CLEAR_GPR(r1) CLEAR_GPR(r2) CLEAR_GPR(r3) -- Gitblit v1.6.2