diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/generic/files/drivers/net/phy/ar8327.c | 42 | ||||
| -rw-r--r-- | target/linux/generic/files/drivers/net/phy/ar8327.h | 21 |
2 files changed, 62 insertions, 1 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/ar8327.c b/target/linux/generic/files/drivers/net/phy/ar8327.c index 8e67f4b17d..24a13c6418 100644 --- a/target/linux/generic/files/drivers/net/phy/ar8327.c +++ b/target/linux/generic/files/drivers/net/phy/ar8327.c @@ -506,6 +506,14 @@ ar8327_hw_config_pdata(struct ar8xxx_priv *priv, ar8xxx_write(priv, AR8327_REG_PAD0_MODE, t); t = ar8327_get_pad_cfg(pdata->pad5_cfg); + if (chip_is_ar8337(priv)) { + /* + * Workaround: RGMII RX delay setting needs to be + * always specified for AR8337 to avoid port 5 + * RX hang on high traffic / flood conditions + */ + t |= AR8327_PAD_RGMII_RXCLK_DELAY_EN; + } ar8xxx_write(priv, AR8327_REG_PAD5_MODE, t); t = ar8327_get_pad_cfg(pdata->pad6_cfg); ar8xxx_write(priv, AR8327_REG_PAD6_MODE, t); @@ -670,6 +678,39 @@ ar8327_init_globals(struct ar8xxx_priv *priv) /* Disable EEE on all phy's due to stability issues */ for (i = 0; i < AR8XXX_NUM_PHYS; i++) data->eee[i] = false; + + if (chip_is_ar8337(priv)) { + /* Update HOL registers with values suggested by QCA switch team */ + for (i = 0; i < AR8327_NUM_PORTS; i++) { + if (i == AR8216_PORT_CPU || i == 5 || i == 6) { + t = 0x3 << AR8327_PORT_HOL_CTRL0_EG_PRI0_BUF_S; + t |= 0x4 << AR8327_PORT_HOL_CTRL0_EG_PRI1_BUF_S; + t |= 0x4 << AR8327_PORT_HOL_CTRL0_EG_PRI2_BUF_S; + t |= 0x4 << AR8327_PORT_HOL_CTRL0_EG_PRI3_BUF_S; + t |= 0x6 << AR8327_PORT_HOL_CTRL0_EG_PRI4_BUF_S; + t |= 0x8 << AR8327_PORT_HOL_CTRL0_EG_PRI5_BUF_S; + t |= 0x1e << AR8327_PORT_HOL_CTRL0_EG_PORT_BUF_S; + } else { + t = 0x3 << AR8327_PORT_HOL_CTRL0_EG_PRI0_BUF_S; + t |= 0x4 << AR8327_PORT_HOL_CTRL0_EG_PRI1_BUF_S; + t |= 0x6 << AR8327_PORT_HOL_CTRL0_EG_PRI2_BUF_S; + t |= 0x8 << AR8327_PORT_HOL_CTRL0_EG_PRI3_BUF_S; + t |= 0x19 << AR8327_PORT_HOL_CTRL0_EG_PORT_BUF_S; + } + ar8xxx_write(priv, AR8327_REG_PORT_HOL_CTRL0(i), t); + + t = 0x6 << AR8327_PORT_HOL_CTRL1_ING_BUF_S; + t |= AR8327_PORT_HOL_CTRL1_EG_PRI_BUF_EN; + t |= AR8327_PORT_HOL_CTRL1_EG_PORT_BUF_EN; + t |= AR8327_PORT_HOL_CTRL1_WRED_EN; + ar8xxx_rmw(priv, AR8327_REG_PORT_HOL_CTRL1(i), + AR8327_PORT_HOL_CTRL1_ING_BUF | + AR8327_PORT_HOL_CTRL1_EG_PRI_BUF_EN | + AR8327_PORT_HOL_CTRL1_EG_PORT_BUF_EN | + AR8327_PORT_HOL_CTRL1_WRED_EN, + t); + } + } } static void @@ -1397,7 +1438,6 @@ const struct ar8xxx_chip ar8327_chip = { .atu_flush_port = ar8327_atu_flush_port, .vtu_flush = ar8327_vtu_flush, .vtu_load_vlan = ar8327_vtu_load_vlan, - .phy_fixup = ar8327_phy_fixup, .set_mirror_regs = ar8327_set_mirror_regs, .get_arl_entry = ar8327_get_arl_entry, .sw_hw_apply = ar8327_sw_hw_apply, diff --git a/target/linux/generic/files/drivers/net/phy/ar8327.h b/target/linux/generic/files/drivers/net/phy/ar8327.h index 7bce18bfb8..828dd28f38 100644 --- a/target/linux/generic/files/drivers/net/phy/ar8327.h +++ b/target/linux/generic/files/drivers/net/phy/ar8327.h @@ -272,7 +272,28 @@ #define AR8327_REG_PORT_PRIO(_i) (0x664 + (_i) * 0xc) +#define AR8327_REG_PORT_HOL_CTRL0(_i) (0x970 + (_i) * 0x8) +#define AR8327_PORT_HOL_CTRL0_EG_PRI0_BUF BITS(0, 4) +#define AR8327_PORT_HOL_CTRL0_EG_PRI0_BUF_S 0 +#define AR8327_PORT_HOL_CTRL0_EG_PRI1_BUF BITS(4, 4) +#define AR8327_PORT_HOL_CTRL0_EG_PRI1_BUF_S 4 +#define AR8327_PORT_HOL_CTRL0_EG_PRI2_BUF BITS(8, 4) +#define AR8327_PORT_HOL_CTRL0_EG_PRI2_BUF_S 8 +#define AR8327_PORT_HOL_CTRL0_EG_PRI3_BUF BITS(12, 4) +#define AR8327_PORT_HOL_CTRL0_EG_PRI3_BUF_S 12 +#define AR8327_PORT_HOL_CTRL0_EG_PRI4_BUF BITS(16, 4) +#define AR8327_PORT_HOL_CTRL0_EG_PRI4_BUF_S 16 +#define AR8327_PORT_HOL_CTRL0_EG_PRI5_BUF BITS(20, 4) +#define AR8327_PORT_HOL_CTRL0_EG_PRI5_BUF_S 20 +#define AR8327_PORT_HOL_CTRL0_EG_PORT_BUF BITS(24, 6) +#define AR8327_PORT_HOL_CTRL0_EG_PORT_BUF_S 24 + #define AR8327_REG_PORT_HOL_CTRL1(_i) (0x974 + (_i) * 0x8) +#define AR8327_PORT_HOL_CTRL1_ING_BUF BITS(0, 4) +#define AR8327_PORT_HOL_CTRL1_ING_BUF_S 0 +#define AR8327_PORT_HOL_CTRL1_EG_PRI_BUF_EN BIT(6) +#define AR8327_PORT_HOL_CTRL1_EG_PORT_BUF_EN BIT(7) +#define AR8327_PORT_HOL_CTRL1_WRED_EN BIT(8) #define AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN BIT(16) #define AR8337_PAD_MAC06_EXCHANGE_EN BIT(31) |