From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keerthy Date: Wed, 27 Jul 2016 09:07:31 +0530 Subject: [U-Boot] [PATCH 0/2] ARM: Introduce function to switch to hypervisor mode In-Reply-To: <1469590536-11993-1-git-send-email-j-keerthy@ti.com> References: <1469590536-11993-1-git-send-email-j-keerthy@ti.com> Message-ID: <57982C7B.80602@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Wednesday 27 July 2016 09:05 AM, Keerthy wrote: > On SoCs like DRA7, OMAP5 one cannot enable hypervisor mode directly from the > u-boot because the ROM code puts the chip to supervisor mode after it > jumps to boot loader. > > Patch 1: Introduces a weak function which can be overridden specific to > SoCs to switch to hypervisor mode. > > Patch 2: overrides weak function in patch 1 switch cpu to hypervisor > mode using the available ROM code hook early in the boot phase before > the boot loader checks for hypervisor mode on OMAP5 based SoCs. > > Based on top of http://patchwork.dal.design.ti.com/patch/24937/. Please ignore the above link. Based on: http://lists.denx.de/pipermail/u-boot/2016-June/258300.html > > Keerthy (2): > ARM: Introduce function to switch to hypervisor mode > ARM: OMAP5+: Override switch_to_hypervisor function > > arch/arm/cpu/armv7/omap-common/lowlevel_init.S | 21 +++++++++++++++++++++ > arch/arm/cpu/armv7/start.S | 15 +++++++++++++++ > arch/arm/include/asm/system.h | 1 + > 3 files changed, 37 insertions(+) >