From 8b986866b252c272a93f734ab8f1e577c7977677 Mon Sep 17 00:00:00 2001 From: Stefan Chulski Date: Sun, 14 Feb 2021 15:38:34 +0200 Subject: net: mvpp2: simplify PPv2 version ID read PPv2.1 contain 0 in Version ID register, priv->hw_version check can be removed. Signed-off-by: Stefan Chulski Signed-off-by: David S. Miller --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index e88272f8b600..9127dc29d52b 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -7469,10 +7469,8 @@ static int mvpp2_probe(struct platform_device *pdev) priv->port_map |= BIT(i); } - if (priv->hw_version != MVPP21) { - if (mvpp2_read(priv, MVPP2_VER_ID_REG) == MVPP2_VER_PP23) - priv->hw_version = MVPP23; - } + if (mvpp2_read(priv, MVPP2_VER_ID_REG) == MVPP2_VER_PP23) + priv->hw_version = MVPP23; /* Init mss lock */ spin_lock_init(&priv->mss_spinlock); -- cgit v1.2.3 From f704177e4721edd537b98daf597895ee1cbb6080 Mon Sep 17 00:00:00 2001 From: Stefan Chulski Date: Sun, 14 Feb 2021 15:38:35 +0200 Subject: net: mvpp2: improve Packet Processor version check Use >= MVPP22 instead of != MVPP21. Non functional change. Signed-off-by: Stefan Chulski Signed-off-by: David S. Miller --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 36 ++++++++++++------------- 1 file changed, 18 insertions(+), 18 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 9127dc29d52b..4e1a24c0aa3d 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -329,7 +329,7 @@ static int mvpp2_get_nrxqs(struct mvpp2 *priv) { unsigned int nrxqs; - if (priv->hw_version != MVPP21 && queue_mode == MVPP2_QDIST_SINGLE_MODE) + if (priv->hw_version >= MVPP22 && queue_mode == MVPP2_QDIST_SINGLE_MODE) return 1; /* According to the PPv2.2 datasheet and our experiments on @@ -469,7 +469,7 @@ static void mvpp2_bm_bufs_get_addrs(struct device *dev, struct mvpp2 *priv, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id)); *phys_addr = mvpp2_thread_read(priv, thread, MVPP2_BM_VIRT_ALLOC_REG); - if (priv->hw_version != MVPP21) { + if (priv->hw_version >= MVPP22) { u32 val; u32 dma_addr_highbits, phys_addr_highbits; @@ -963,7 +963,7 @@ static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool, if (test_bit(thread, &port->priv->lock_map)) spin_lock_irqsave(&port->bm_lock[thread], flags); - if (port->priv->hw_version != MVPP21) { + if (port->priv->hw_version >= MVPP22) { u32 val = 0; if (sizeof(dma_addr_t) == 8) @@ -1462,7 +1462,7 @@ static bool mvpp2_port_supports_xlg(struct mvpp2_port *port) static bool mvpp2_port_supports_rgmii(struct mvpp2_port *port) { - return !(port->priv->hw_version != MVPP21 && port->gop_id == 0); + return !(port->priv->hw_version >= MVPP22 && port->gop_id == 0); } /* Port configuration routines */ @@ -2125,7 +2125,7 @@ static void mvpp2_mac_reset_assert(struct mvpp2_port *port) MVPP2_GMAC_PORT_RESET_MASK; writel(val, port->base + MVPP2_GMAC_CTRL_2_REG); - if (port->priv->hw_version != MVPP21 && port->gop_id == 0) { + if (port->priv->hw_version >= MVPP22 && port->gop_id == 0) { val = readl(port->base + MVPP22_XLG_CTRL0_REG) & ~MVPP22_XLG_CTRL0_MAC_RESET_DIS; writel(val, port->base + MVPP22_XLG_CTRL0_REG); @@ -4016,7 +4016,7 @@ static void mvpp2_txdesc_clear_ptp(struct mvpp2_port *port, struct mvpp2_tx_desc *desc) { /* We only need to clear the low bits */ - if (port->priv->hw_version != MVPP21) + if (port->priv->hw_version >= MVPP22) desc->pp22.ptp_descriptor &= cpu_to_le32(~MVPP22_PTP_DESC_MASK_LOW); } @@ -4528,7 +4528,7 @@ static void mvpp2_start_dev(struct mvpp2_port *port) /* Enable interrupts on all threads */ mvpp2_interrupts_enable(port); - if (port->priv->hw_version != MVPP21) + if (port->priv->hw_version >= MVPP22) mvpp22_mode_reconfigure(port); if (port->phylink) { @@ -4746,7 +4746,7 @@ static int mvpp2_open(struct net_device *dev) valid = true; } - if (priv->hw_version != MVPP21 && port->port_irq) { + if (priv->hw_version >= MVPP22 && port->port_irq) { err = request_irq(port->port_irq, mvpp2_port_isr, 0, dev->name, port); if (err) { @@ -6399,7 +6399,7 @@ static int mvpp2__mac_prepare(struct phylink_config *config, unsigned int mode, MVPP2_GMAC_PORT_RESET_MASK, MVPP2_GMAC_PORT_RESET_MASK); - if (port->priv->hw_version != MVPP21) { + if (port->priv->hw_version >= MVPP22) { mvpp22_gop_mask_irq(port); phy_power_off(port->comphy); @@ -6453,7 +6453,7 @@ static int mvpp2_mac_finish(struct phylink_config *config, unsigned int mode, { struct mvpp2_port *port = mvpp2_phylink_to_port(config); - if (port->priv->hw_version != MVPP21 && + if (port->priv->hw_version >= MVPP22 && port->phy_interface != interface) { port->phy_interface = interface; @@ -7200,7 +7200,7 @@ static int mvpp2_init(struct platform_device *pdev, struct mvpp2 *priv) if (dram_target_info) mvpp2_conf_mbus_windows(dram_target_info, priv); - if (priv->hw_version != MVPP21) + if (priv->hw_version >= MVPP22) mvpp2_axi_init(priv); /* Disable HW PHY polling */ @@ -7350,7 +7350,7 @@ static int mvpp2_probe(struct platform_device *pdev) priv->global_tx_fc = true; } - if (priv->hw_version != MVPP21 && dev_of_node(&pdev->dev)) { + if (priv->hw_version >= MVPP22 && dev_of_node(&pdev->dev)) { priv->sysctrl_base = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "marvell,system-controller"); @@ -7363,7 +7363,7 @@ static int mvpp2_probe(struct platform_device *pdev) priv->sysctrl_base = NULL; } - if (priv->hw_version != MVPP21 && + if (priv->hw_version >= MVPP22 && mvpp2_get_nrxqs(priv) * 2 <= MVPP2_BM_MAX_POOLS) priv->percpu_pools = 1; @@ -7408,7 +7408,7 @@ static int mvpp2_probe(struct platform_device *pdev) if (err < 0) goto err_pp_clk; - if (priv->hw_version != MVPP21) { + if (priv->hw_version >= MVPP22) { priv->mg_clk = devm_clk_get(&pdev->dev, "mg_clk"); if (IS_ERR(priv->mg_clk)) { err = PTR_ERR(priv->mg_clk); @@ -7449,7 +7449,7 @@ static int mvpp2_probe(struct platform_device *pdev) return -EINVAL; } - if (priv->hw_version != MVPP21) { + if (priv->hw_version >= MVPP22) { err = dma_set_mask(&pdev->dev, MVPP2_DESC_DMA_MASK); if (err) goto err_axi_clk; @@ -7514,7 +7514,7 @@ static int mvpp2_probe(struct platform_device *pdev) goto err_port_probe; } - if (priv->global_tx_fc && priv->hw_version != MVPP21) { + if (priv->global_tx_fc && priv->hw_version >= MVPP22) { err = mvpp2_enable_global_fc(priv); if (err) dev_warn(&pdev->dev, "Minimum of CM3 firmware 18.09 and chip revision B0 required for flow control\n"); @@ -7536,10 +7536,10 @@ err_axi_clk: clk_disable_unprepare(priv->axi_clk); err_mg_core_clk: - if (priv->hw_version != MVPP21) + if (priv->hw_version >= MVPP22) clk_disable_unprepare(priv->mg_core_clk); err_mg_clk: - if (priv->hw_version != MVPP21) + if (priv->hw_version >= MVPP22) clk_disable_unprepare(priv->mg_clk); err_gop_clk: clk_disable_unprepare(priv->gop_clk); -- cgit v1.2.3 From 9ad78d81cb766c9bd4b6ae39905af11a55800876 Mon Sep 17 00:00:00 2001 From: Stefan Chulski Date: Sun, 14 Feb 2021 15:38:36 +0200 Subject: net: mvpp2: improve mvpp2_get_sram return Use PTR_ERR_OR_ZERO instead of IS_ERR and PTR_ERR. Non functional change. Signed-off-by: Stefan Chulski Signed-off-by: David S. Miller --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 4e1a24c0aa3d..bc98f521108e 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -7277,10 +7277,8 @@ static int mvpp2_get_sram(struct platform_device *pdev, } priv->cm3_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(priv->cm3_base)) - return PTR_ERR(priv->cm3_base); - return 0; + return PTR_ERR_OR_ZERO(priv->cm3_base); } static int mvpp2_probe(struct platform_device *pdev) -- cgit v1.2.3 From 935a11845aefb1df6b745aa133b12c0ffd656b8f Mon Sep 17 00:00:00 2001 From: Stefan Chulski Date: Sun, 14 Feb 2021 15:38:37 +0200 Subject: net: mvpp2: improve Networking Complex Control register naming GENCONF_CTRL0_PORTX naming improved. Non functional change. Signed-off-by: Stefan Chulski Signed-off-by: David S. Miller --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 6 +++--- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 8 ++++---- 2 files changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index da8715297a9a..373ede3a3239 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -673,9 +673,9 @@ #define GENCONF_PORT_CTRL1_EN(p) BIT(p) #define GENCONF_PORT_CTRL1_RESET(p) (BIT(p) << 28) #define GENCONF_CTRL0 0x1120 -#define GENCONF_CTRL0_PORT0_RGMII BIT(0) -#define GENCONF_CTRL0_PORT1_RGMII_MII BIT(1) -#define GENCONF_CTRL0_PORT1_RGMII BIT(2) +#define GENCONF_CTRL0_PORT2_RGMII BIT(0) +#define GENCONF_CTRL0_PORT3_RGMII_MII BIT(1) +#define GENCONF_CTRL0_PORT3_RGMII BIT(2) /* Various constants */ diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index bc98f521108e..d167cfda6e00 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -1494,9 +1494,9 @@ static void mvpp22_gop_init_rgmii(struct mvpp2_port *port) regmap_read(priv->sysctrl_base, GENCONF_CTRL0, &val); if (port->gop_id == 2) - val |= GENCONF_CTRL0_PORT0_RGMII; + val |= GENCONF_CTRL0_PORT2_RGMII; else if (port->gop_id == 3) - val |= GENCONF_CTRL0_PORT1_RGMII_MII; + val |= GENCONF_CTRL0_PORT3_RGMII_MII; regmap_write(priv->sysctrl_base, GENCONF_CTRL0, val); } @@ -1513,9 +1513,9 @@ static void mvpp22_gop_init_sgmii(struct mvpp2_port *port) if (port->gop_id > 1) { regmap_read(priv->sysctrl_base, GENCONF_CTRL0, &val); if (port->gop_id == 2) - val &= ~GENCONF_CTRL0_PORT0_RGMII; + val &= ~GENCONF_CTRL0_PORT2_RGMII; else if (port->gop_id == 3) - val &= ~GENCONF_CTRL0_PORT1_RGMII_MII; + val &= ~GENCONF_CTRL0_PORT3_RGMII_MII; regmap_write(priv->sysctrl_base, GENCONF_CTRL0, val); } } -- cgit v1.2.3