[PATCH 6/6] mvneta: port marvell's official in-band status enabling procedure
From: Stas Sergeev <hidden>
Date: 2015-03-27 13:40:58
Also in:
lkml
Subsystem:
marvell mvneta ethernet driver, networking drivers, the rest · Maintainers:
Marcin Wojtas, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
This is a back-port of official marvell's patch. It changes nothing visible for me but looks reasonable. Hope people with access to marvell's specs can review and justify this patch better. CC: Thomas Petazzoni <redacted> CC: netdev@vger.kernel.org CC: linux-kernel@vger.kernel.org Signed-off-by: Stas Sergeev <redacted> --- drivers/net/ethernet/marvell/mvneta.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 2d1c689..5dc7416 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c@@ -100,6 +100,8 @@ #define MVNETA_TXQ_CMD 0x2448 #define MVNETA_TXQ_DISABLE_SHIFT 8 #define MVNETA_TXQ_ENABLE_MASK 0x000000ff +#define MVNETA_GMAC_CLOCK_DIVIDER 0x24f4 +#define MVNETA_GMAC_1MS_CLOCK_ENABLE BIT(31) #define MVNETA_ACC_MODE 0x2500 #define MVNETA_CPU_MAP(cpu) (0x2540 + ((cpu) << 2)) #define MVNETA_CPU_RXQ_ACCESS_ALL_MASK 0x000000ff
@@ -166,6 +168,7 @@ #define MVNETA_GMAC_MAX_RX_SIZE_MASK 0x7ffc #define MVNETA_GMAC0_PORT_ENABLE BIT(0) #define MVNETA_GMAC_CTRL_2 0x2c08 +#define MVNETA_GMAC2_INBAND_AN_ENABLE BIT(0) #define MVNETA_GMAC2_PCS_ENABLE BIT(3) #define MVNETA_GMAC2_PORT_RGMII BIT(4) #define MVNETA_GMAC2_PORT_RESET BIT(6)
@@ -185,6 +188,7 @@ #define MVNETA_GMAC_CONFIG_MII_SPEED BIT(5) #define MVNETA_GMAC_CONFIG_GMII_SPEED BIT(6) #define MVNETA_GMAC_AN_SPEED_EN BIT(7) +#define MVNETA_GMAC_AN_FLOW_CTRL_EN BIT(11) #define MVNETA_GMAC_CONFIG_FULL_DUPLEX BIT(12) #define MVNETA_GMAC_AN_DUPLEX_EN BIT(13) #define MVNETA_MIB_COUNTERS_BASE 0x3080
@@ -1000,11 +1004,15 @@ static void mvneta_defaults_set(struct mvneta_port *pp) if (pp->inband_status) { val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG); val &= ~(MVNETA_GMAC_FORCE_LINK_PASS | - MVNETA_GMAC_FORCE_LINK_DOWN); + MVNETA_GMAC_FORCE_LINK_DOWN | + MVNETA_GMAC_AN_FLOW_CTRL_EN); val |= MVNETA_GMAC_INBAND_AN_ENABLE | MVNETA_GMAC_AN_SPEED_EN | MVNETA_GMAC_AN_DUPLEX_EN; mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val); + val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER); + val |= MVNETA_GMAC_1MS_CLOCK_ENABLE; + mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val); } mvneta_set_ucast_table(pp, -1);
@@ -2977,6 +2985,9 @@ static int mvneta_port_power_up(struct mvneta_port *pp, int phy_mode) return -EINVAL; } + if (pp->inband_status) + ctrl |= MVNETA_GMAC2_INBAND_AN_ENABLE; + /* Cancel Port Reset */ ctrl &= ~MVNETA_GMAC2_PORT_RESET; mvreg_write(pp, MVNETA_GMAC_CTRL_2, ctrl);
--
1.7.9.5