From patchwork Mon Mar 9 09:07:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ang, Chee Hong" X-Patchwork-Id: 243439 List-Id: U-Boot discussion From: chee.hong.ang at intel.com (chee.hong.ang at intel.com) Date: Mon, 9 Mar 2020 02:07:21 -0700 Subject: [PATCH v4 20/21] arm: socfpga: mailbox: Add 'SYSTEM_RESET' PSCI support to mbox_reset_cold() In-Reply-To: <1583744842-24632-1-git-send-email-chee.hong.ang@intel.com> References: <1583744842-24632-1-git-send-email-chee.hong.ang@intel.com> Message-ID: <1583744842-24632-21-git-send-email-chee.hong.ang@intel.com> From: Chee Hong Ang mbox_reset_cold() will invoke ATF's PSCI service when running in non-secure mode (EL2). Signed-off-by: Chee Hong Ang --- arch/arm/mach-socfpga/mailbox_s10.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mach-socfpga/mailbox_s10.c b/arch/arm/mach-socfpga/mailbox_s10.c index f30e7f8..6b39576 100644 --- a/arch/arm/mach-socfpga/mailbox_s10.c +++ b/arch/arm/mach-socfpga/mailbox_s10.c @@ -330,6 +330,9 @@ error: int mbox_reset_cold(void) { +#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_ATF) + psci_system_reset(); +#else int ret; ret = mbox_send_cmd(MBOX_ID_UBOOT, MBOX_REBOOT_HPS, MBOX_CMD_DIRECT, @@ -338,6 +341,7 @@ int mbox_reset_cold(void) /* mailbox sent failure, wait for watchdog to kick in */ hang(); } +#endif return 0; }