From patchwork Mon May 4 11:44:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rayagonda Kokatanur X-Patchwork-Id: 244984 List-Id: U-Boot discussion From: rayagonda.kokatanur at broadcom.com (Rayagonda Kokatanur) Date: Mon, 4 May 2020 17:14:23 +0530 Subject: [PATCH v2 07/16] board: ns3: default reset type to L3 In-Reply-To: <20200504114432.10886-1-rayagonda.kokatanur@broadcom.com> References: <20200504114432.10886-1-rayagonda.kokatanur@broadcom.com> Message-ID: <20200504114432.10886-8-rayagonda.kokatanur@broadcom.com> Default "reset" from u-boot to L3 reset. "reset" command with argument will trigger L1 reset. Signed-off-by: Rajesh Ravi Signed-off-by: Bharat Kumar Reddy Gooty Signed-off-by: Rayagonda Kokatanur --- board/broadcom/bcmns3/ns3.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/board/broadcom/bcmns3/ns3.c b/board/broadcom/bcmns3/ns3.c index f28e34ccc3..6687028d19 100644 --- a/board/broadcom/bcmns3/ns3.c +++ b/board/broadcom/bcmns3/ns3.c @@ -69,7 +69,23 @@ int dram_init_banksize(void) return 0; } -void reset_cpu(ulong addr) +void reset_cpu(ulong level) { - psci_system_reset(); +#define L3_RESET 30 + u32 reset_level, strap_val; + + /* Default reset type is L3 reset */ + if (!level) { + /* + * Encoding: u-boot reset command expects decimal argument + * strap val = 1st decimal digit;reset level = 2nd decimal digit + */ + strap_val = L3_RESET % 10; + level = L3_RESET / 10; + reset_level = level % 10; + psci_system_reset2(reset_level, strap_val); + } else { + /* U-boot cmd "reset" with any arg will trigger L1 reset */ + psci_system_reset(); + } }