From 7c7311f1a28ec05caf4b6a5df9d817e502e793dd Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Mon, 20 Feb 2017 11:42:51 +0100 Subject: [PATCH] net: mvpp2: handle misc PPv2.1/PPv2.2 differences This commit handles a few miscellaneous differences between PPv2.1 and PPv2.2 in different areas, where code done for PPv2.1 doesn't apply for PPv2.2 or needs to be adjusted (getting the MAC address, disabling PHY polling, etc.). Changed by Stefan for U-Boot: Since mvpp2_port_power_up() has multiple callers in U-Boot, the U-Boot version of this patch does not remove this function but simply adds the check for MVPP21 before the mvpp2_port_fc_adv_enable() call. Signed-off-by: Thomas Petazzoni Signed-off-by: Stefan Roese Acked-by: Joe Hershberger --- drivers/net/mvpp2.c | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) diff --git a/drivers/net/mvpp2.c b/drivers/net/mvpp2.c index 645a818..51922c0 100644 --- a/drivers/net/mvpp2.c +++ b/drivers/net/mvpp2.c @@ -342,6 +342,9 @@ do { \ #define MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v) (((v) << 6) & \ MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK) +#define MVPP22_SMI_MISC_CFG_REG 0x1204 +#define MVPP22_SMI_POLLING_EN BIT(10) + #define MVPP22_PORT_BASE 0x30e00 #define MVPP22_PORT_OFFSET 0x1000 @@ -3639,9 +3642,12 @@ static int mvpp2_open(struct udevice *dev, struct mvpp2_port *port) static void mvpp2_port_power_up(struct mvpp2_port *port) { + struct mvpp2 *priv = port->priv; + mvpp2_port_mii_set(port); mvpp2_port_periodic_xon_disable(port); - mvpp2_port_fc_adv_enable(port); + if (priv->hw_version == MVPP21) + mvpp2_port_fc_adv_enable(port); mvpp2_port_reset(port); } @@ -3892,9 +3898,15 @@ static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv) mvpp2_conf_mbus_windows(dram_target_info, priv); /* Disable HW PHY polling */ - val = readl(priv->lms_base + MVPP2_PHY_AN_CFG0_REG); - val |= MVPP2_PHY_AN_STOP_SMI0_MASK; - writel(val, priv->lms_base + MVPP2_PHY_AN_CFG0_REG); + if (priv->hw_version == MVPP21) { + val = readl(priv->lms_base + MVPP2_PHY_AN_CFG0_REG); + val |= MVPP2_PHY_AN_STOP_SMI0_MASK; + writel(val, priv->lms_base + MVPP2_PHY_AN_CFG0_REG); + } else { + val = readl(priv->iface_base + MVPP22_SMI_MISC_CFG_REG); + val &= ~MVPP22_SMI_POLLING_EN; + writel(val, priv->iface_base + MVPP22_SMI_MISC_CFG_REG); + } /* Allocate and initialize aggregated TXQs */ priv->aggr_txqs = devm_kcalloc(dev, num_present_cpus(), @@ -3920,8 +3932,9 @@ static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv) mvpp2_write(priv, MVPP2_ISR_RXQ_GROUP_REG(i), CONFIG_MV_ETH_RXQ); - writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT, - priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG); + if (priv->hw_version == MVPP21) + writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT, + priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG); /* Allow cache snoop when transmiting packets */ mvpp2_write(priv, MVPP2_TX_SNOOP_REG, 0x1); -- 2.7.4