From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rajesh Bhagat Date: Wed, 3 Oct 2018 17:07:20 +0530 Subject: [U-Boot] [PATCH 37/53] armv8: ls1012ardb: Make U-Boot EL2 safe In-Reply-To: <20181003113736.14981-1-rajesh.bhagat@nxp.com> References: <20181003113736.14981-1-rajesh.bhagat@nxp.com> Message-ID: <20181003113736.14981-38-rajesh.bhagat@nxp.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de When U-Boot boots from EL2, skip some lowlevel init code for CCI-400 requiring EL3. These initialization tasks are carried out before U-Boot runs. Signed-off-by: Rajesh Bhagat Signed-off-by: York Sun --- board/freescale/ls1012ardb/ls1012ardb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/board/freescale/ls1012ardb/ls1012ardb.c b/board/freescale/ls1012ardb/ls1012ardb.c index 66554bcf6e..f648a9040b 100644 --- a/board/freescale/ls1012ardb/ls1012ardb.c +++ b/board/freescale/ls1012ardb/ls1012ardb.c @@ -145,7 +145,8 @@ int board_init(void) * Set CCI-400 control override register to enable barrier * transaction */ - out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER); + if (current_el() == 3) + out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER); #ifdef CONFIG_SYS_FSL_ERRATUM_A010315 erratum_a010315(); -- 2.17.1