diff options
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h index 93a78fd0737b..28fff6cab812 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h @@ -44,6 +44,7 @@ #define GMAC_MDIO_DATA 0x00000204 #define GMAC_GPIO_STATUS 0x0000020C #define GMAC_ARP_ADDR 0x00000210 +#define GMAC_EXT_CFG1 0x00000238 #define GMAC_ADDR_HIGH(reg) (0x300 + reg * 8) #define GMAC_ADDR_LOW(reg) (0x304 + reg * 8) #define GMAC_L3L4_CTRL(reg) (0x900 + (reg) * 0x30) @@ -284,6 +285,10 @@ enum power_event { #define GMAC_HW_FEAT_DVLAN BIT(5) #define GMAC_HW_FEAT_NRVF GENMASK(2, 0) +/* MAC extended config 1 */ +#define GMAC_CONFIG1_SAVE_EN BIT(24) +#define GMAC_CONFIG1_SPLM(v) FIELD_PREP(GENMASK(9, 8), v) + /* GMAC GPIO Status reg */ #define GMAC_GPO0 BIT(16) #define GMAC_GPO1 BIT(17) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c index e0165358c4ac..7c895e0ae71f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c @@ -526,6 +526,11 @@ static void dwmac4_enable_sph(struct stmmac_priv *priv, void __iomem *ioaddr, value |= GMAC_CONFIG_HDSMS_256; /* Segment max 256 bytes */ writel(value, ioaddr + GMAC_EXT_CONFIG); + value = readl(ioaddr + GMAC_EXT_CFG1); + value |= GMAC_CONFIG1_SPLM(1); /* Split mode set to L2OFST */ + value |= GMAC_CONFIG1_SAVE_EN; /* Enable Split AV mode */ + writel(value, ioaddr + GMAC_EXT_CFG1); + value = readl(ioaddr + DMA_CHAN_CONTROL(dwmac4_addrs, chan)); if (en) value |= DMA_CONTROL_SPH; |