From patchwork Tue Jul 30 07:46:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 13746869 X-Patchwork-Delegate: kuba@kernel.org 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 CD9A7150994; Tue, 30 Jul 2024 07:46:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722325607; cv=none; b=E4shScDBoCac9pd9zISZqrshfgv+8OrUboS22hvU3xKFFZlPRywDLHUP03Ds+ankX0WPu1b6buR8mxVvjwbkXL8KqrmPOCOn53B76+mzLHaU24ejmUOxn1lBOxO+kKfqRLy0qcpV6d/qN9VCCh5uRIqKQXISGYPvPfo43s3OFnU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722325607; c=relaxed/simple; bh=Ge1qXWycU3RZHie50w6y1C7XhkEEn3eUfsxEc5Ssx5g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=L8W0YCkofe1jSHHUhjI6YJg2ffecVJqGnGaKR3UURXkAsJVocIJCAv00ximJpekolk9Jy3LMk7kMQk8vKVP46Y013mdfQBqvJfPfHkWwvqL+oRnLLMR3nOjaepjG4LaY/aEkKn9OzxtNbpogu3/qQow3N3tqFKUYJu0EMaKhb+k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AZWWBLQ/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AZWWBLQ/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06247C32782; Tue, 30 Jul 2024 07:46:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722325607; bh=Ge1qXWycU3RZHie50w6y1C7XhkEEn3eUfsxEc5Ssx5g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AZWWBLQ/6EjW+zX4+ud4xFCOVtkWyHiqhYEy91ZdPCiGvkJ3uibwLBBEUBy7YIyOZ hSSP4PuBCBnIg1UovfS9jzqqaQZoNffT1HyNyeWBU1SxGmoVEbMoRxIaP/+o7M/OLV ZhFxj9PEIIHzWB1WvKhHez7epB5aWCCCquC0IOu+5IrhYV+bkHQuWowaDfKlp3r+7T zbrvZHmsM3bnZe0l/fCdEZ1BusMdJM/DZCRfPd6sK7029GVEmv3ZxyrgF2XaEuDtIX JOrHCecQFrsDD9bsCCvXBc8vMLGRFB5Egeyxk8Yahh4LOfW9ZnBnsUfY3elutPsbsI oi9VI4++jtgjw== From: Lorenzo Bianconi To: netdev@vger.kernel.org Cc: arinc.unal@arinc9.com, daniel@makrotopia.org, dqfext@gmail.com, sean.wang@mediatek.com, andrew@lunn.ch, f.fainelli@gmail.com, olteanv@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, lorenzo.bianconi83@gmail.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, upstream@airoha.com Subject: [PATCH net-next 2/2] net: dsa: mt7530: Add EN7581 support Date: Tue, 30 Jul 2024 09:46:33 +0200 Message-ID: <04a0f38a37e2a38438cdcd8d23ee4d80048e39da.1722325265.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Introduce support for the DSA built-in switch available on the EN7581 development board. EN7581 support is similar to MT7988 one except it requires to set MT7530_FORCE_MODE bit in MT753X_PMCR_P register for on cpu port. Tested-by: Benjamin Larsson Signed-off-by: Lorenzo Bianconi --- drivers/net/dsa/mt7530-mmio.c | 1 + drivers/net/dsa/mt7530.c | 38 +++++++++++++++++++++++++++++++---- drivers/net/dsa/mt7530.h | 16 ++++++++++----- 3 files changed, 46 insertions(+), 9 deletions(-) diff --git a/drivers/net/dsa/mt7530-mmio.c b/drivers/net/dsa/mt7530-mmio.c index b74a230a3f13..10dc49961f15 100644 --- a/drivers/net/dsa/mt7530-mmio.c +++ b/drivers/net/dsa/mt7530-mmio.c @@ -11,6 +11,7 @@ #include "mt7530.h" static const struct of_device_id mt7988_of_match[] = { + { .compatible = "airoha,en7581-switch", .data = &mt753x_table[ID_EN7581], }, { .compatible = "mediatek,mt7988-switch", .data = &mt753x_table[ID_MT7988], }, { /* sentinel */ }, }; diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index ec18e68bf3a8..8adc4561c5b2 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -1152,7 +1152,8 @@ mt753x_cpu_port_enable(struct dsa_switch *ds, int port) * the MT7988 SoC. Trapped frames will be forwarded to the CPU port that * is affine to the inbound user port. */ - if (priv->id == ID_MT7531 || priv->id == ID_MT7988) + if (priv->id == ID_MT7531 || priv->id == ID_MT7988 || + priv->id == ID_EN7581) mt7530_set(priv, MT7531_CFC, MT7531_CPU_PMAP(BIT(port))); /* CPU port gets connected to all user ports of @@ -2207,7 +2208,7 @@ mt7530_setup_irq(struct mt7530_priv *priv) return priv->irq ? : -EINVAL; } - if (priv->id == ID_MT7988) + if (priv->id == ID_MT7988 || priv->id == ID_EN7581) priv->irq_domain = irq_domain_add_linear(np, MT7530_NUM_PHYS, &mt7988_irq_domain_ops, priv); @@ -2766,7 +2767,7 @@ static void mt7988_mac_port_get_caps(struct dsa_switch *ds, int port, { switch (port) { /* Ports which are connected to switch PHYs. There is no MII pinout. */ - case 0 ... 3: + case 0 ... 4: __set_bit(PHY_INTERFACE_MODE_INTERNAL, config->supported_interfaces); @@ -2850,6 +2851,23 @@ mt7531_mac_config(struct dsa_switch *ds, int port, unsigned int mode, } } +static void +en7581_mac_config(struct dsa_switch *ds, int port, unsigned int mode, + phy_interface_t interface) +{ + /* BIT(31-27): reserved + * BIT(26): TX_CRC_EN: enable(0)/disable(1) CRC insertion + * BIT(25): RX_CRC_EN: enable(0)/disable(1) CRC insertion + * Since the bits above have a different meaning with respect to the + * one described in mt7530.h, set default values. + */ + mt7530_clear(ds->priv, MT753X_PMCR_P(port), MT7531_FORCE_MODE_MASK); + if (dsa_is_cpu_port(ds, port)) { + /* enable MT7530_FORCE_MODE on cpu port */ + mt7530_set(ds->priv, MT753X_PMCR_P(port), MT7530_FORCE_MODE); + } +} + static struct phylink_pcs * mt753x_phylink_mac_select_pcs(struct phylink_config *config, phy_interface_t interface) @@ -2880,7 +2898,8 @@ mt753x_phylink_mac_config(struct phylink_config *config, unsigned int mode, priv = ds->priv; - if ((port == 5 || port == 6) && priv->info->mac_port_config) + if ((port == 5 || port == 6 || priv->id == ID_EN7581) && + priv->info->mac_port_config) priv->info->mac_port_config(ds, port, mode, state->interface); /* Are we connected to external phy */ @@ -3220,6 +3239,17 @@ const struct mt753x_info mt753x_table[] = { .phy_write_c45 = mt7531_ind_c45_phy_write, .mac_port_get_caps = mt7988_mac_port_get_caps, }, + [ID_EN7581] = { + .id = ID_EN7581, + .pcs_ops = &mt7530_pcs_ops, + .sw_setup = mt7988_setup, + .phy_read_c22 = mt7531_ind_c22_phy_read, + .phy_write_c22 = mt7531_ind_c22_phy_write, + .phy_read_c45 = mt7531_ind_c45_phy_read, + .phy_write_c45 = mt7531_ind_c45_phy_write, + .mac_port_get_caps = mt7988_mac_port_get_caps, + .mac_port_config = en7581_mac_config, + }, }; EXPORT_SYMBOL_GPL(mt753x_table); diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h index 28592123070b..d77b898b7187 100644 --- a/drivers/net/dsa/mt7530.h +++ b/drivers/net/dsa/mt7530.h @@ -19,6 +19,7 @@ enum mt753x_id { ID_MT7621 = 1, ID_MT7531 = 2, ID_MT7988 = 3, + ID_EN7581 = 4, }; #define NUM_TRGMII_CTRL 5 @@ -64,25 +65,30 @@ enum mt753x_id { #define MT7531_CPU_PMAP(x) FIELD_PREP(MT7531_CPU_PMAP_MASK, x) #define MT753X_MIRROR_REG(id) ((id == ID_MT7531 || \ - id == ID_MT7988) ? \ + id == ID_MT7988 || \ + id == ID_EN7581) ? \ MT7531_CFC : MT753X_MFC) #define MT753X_MIRROR_EN(id) ((id == ID_MT7531 || \ - id == ID_MT7988) ? \ + id == ID_MT7988 || \ + id == ID_EN7581) ? \ MT7531_MIRROR_EN : MT7530_MIRROR_EN) #define MT753X_MIRROR_PORT_MASK(id) ((id == ID_MT7531 || \ - id == ID_MT7988) ? \ + id == ID_MT7988 || \ + id == ID_EN7581) ? \ MT7531_MIRROR_PORT_MASK : \ MT7530_MIRROR_PORT_MASK) #define MT753X_MIRROR_PORT_GET(id, val) ((id == ID_MT7531 || \ - id == ID_MT7988) ? \ + id == ID_MT7988 || \ + id == ID_EN7581) ? \ MT7531_MIRROR_PORT_GET(val) : \ MT7530_MIRROR_PORT_GET(val)) #define MT753X_MIRROR_PORT_SET(id, val) ((id == ID_MT7531 || \ - id == ID_MT7988) ? \ + id == ID_MT7988 || \ + id == ID_EN7581) ? \ MT7531_MIRROR_PORT_SET(val) : \ MT7530_MIRROR_PORT_SET(val))