From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AFBFF6FA7 for ; Sun, 17 Sep 2023 20:20:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 24353C433C8; Sun, 17 Sep 2023 20:20:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694982040; bh=l7uAbJLNv5VMvZpJIxuMKIvRG0NyjozB0cFeYKLFcmw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ja1OMQfNcSrEQu06BDVz4buBw8mwEeentt2xpLRS+uRv6dwuFRvex04odlpszSovc QAirO6pynFdLAX3ekW2lpHupggmLsrpxUVW9d7GKqMKo065uc1BmAGUq7U0wFtGtEV 2GcNpwePZe79w2Y8iU0bgzxcwdVUkw7WhL4x3vKo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Harini Katakam , Michal Simek , Radhey Shyam Pandey , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.1 209/219] net: macb: Enable PTP unicast Date: Sun, 17 Sep 2023 21:15:36 +0200 Message-ID: <20230917191048.488595561@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230917191040.964416434@linuxfoundation.org> References: <20230917191040.964416434@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Harini Katakam [ Upstream commit ee4e92c26c60b7344b7261035683a37da5a6119b ] Enable transmission and reception of PTP unicast packets by updating PTP unicast config bit and setting current HW mac address as allowed address in PTP unicast filter registers. Signed-off-by: Harini Katakam Signed-off-by: Michal Simek Signed-off-by: Radhey Shyam Pandey Signed-off-by: Jakub Kicinski Stable-dep-of: 403f0e771457 ("net: macb: fix sleep inside spinlock") Signed-off-by: Sasha Levin --- drivers/net/ethernet/cadence/macb.h | 4 ++++ drivers/net/ethernet/cadence/macb_main.c | 13 +++++++++++-- 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index 9c410f93a1039..1aa578c1ca4ad 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -95,6 +95,8 @@ #define GEM_SA4B 0x00A0 /* Specific4 Bottom */ #define GEM_SA4T 0x00A4 /* Specific4 Top */ #define GEM_WOL 0x00b8 /* Wake on LAN */ +#define GEM_RXPTPUNI 0x00D4 /* PTP RX Unicast address */ +#define GEM_TXPTPUNI 0x00D8 /* PTP TX Unicast address */ #define GEM_EFTSH 0x00e8 /* PTP Event Frame Transmitted Seconds Register 47:32 */ #define GEM_EFRSH 0x00ec /* PTP Event Frame Received Seconds Register 47:32 */ #define GEM_PEFTSH 0x00f0 /* PTP Peer Event Frame Transmitted Seconds Register 47:32 */ @@ -245,6 +247,8 @@ #define MACB_TZQ_OFFSET 12 /* Transmit zero quantum pause frame */ #define MACB_TZQ_SIZE 1 #define MACB_SRTSM_OFFSET 15 /* Store Receive Timestamp to Memory */ +#define MACB_PTPUNI_OFFSET 20 /* PTP Unicast packet enable */ +#define MACB_PTPUNI_SIZE 1 #define MACB_OSSMODE_OFFSET 24 /* Enable One Step Synchro Mode */ #define MACB_OSSMODE_SIZE 1 #define MACB_MIIONRGMII_OFFSET 28 /* MII Usage on RGMII Interface */ diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 5fb991835078a..9470e895591e5 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -288,6 +288,11 @@ static void macb_set_hwaddr(struct macb *bp) top = cpu_to_le16(*((u16 *)(bp->dev->dev_addr + 4))); macb_or_gem_writel(bp, SA1T, top); + if (gem_has_ptp(bp)) { + gem_writel(bp, RXPTPUNI, bottom); + gem_writel(bp, TXPTPUNI, bottom); + } + /* Clear unused address register sets */ macb_or_gem_writel(bp, SA2B, 0); macb_or_gem_writel(bp, SA2T, 0); @@ -721,8 +726,12 @@ static void macb_mac_link_up(struct phylink_config *config, spin_unlock_irqrestore(&bp->lock, flags); - /* Enable Rx and Tx */ - macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(RE) | MACB_BIT(TE)); + /* Enable Rx and Tx; Enable PTP unicast */ + ctrl = macb_readl(bp, NCR); + if (gem_has_ptp(bp)) + ctrl |= MACB_BIT(PTPUNI); + + macb_writel(bp, NCR, ctrl | MACB_BIT(RE) | MACB_BIT(TE)); netif_tx_wake_all_queues(ndev); } -- 2.40.1