diff options
| author | Grygorii Strashko <grygorii.strashko@ti.com> | 2019-09-19 11:16:37 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-11-03 09:36:06 -0500 |
| commit | 60e81d0d2855690347bc479c9c20b4ad5de0b703 (patch) | |
| tree | b54f9abd560dfe9001406b3ab61e7140ec0af4ca /drivers/net/ti | |
| parent | 3b3e8a37d36e7a413bacf560ed138c6680bcb89b (diff) | |
net: ti: cpsw: enable 10Mbps link speed support in rgmii mode
According to TRMs the 10Mbps link speed is supported in RGMII only when
CPSW2G MAC SL is configured for External Control ("in band") mode
CPSW_SL_MACCTRL.EXT_EN(18) = 1.
Hence update cpsw_slave_update_link() to follow documentation.
[1] https://patchwork.kernel.org/patch/10285239/
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Diffstat (limited to 'drivers/net/ti')
| -rw-r--r-- | drivers/net/ti/cpsw.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ti/cpsw.c b/drivers/net/ti/cpsw.c index 20ddb44dd8..f0d008f0f5 100644 --- a/drivers/net/ti/cpsw.c +++ b/drivers/net/ti/cpsw.c @@ -33,6 +33,7 @@ DECLARE_GLOBAL_DATA_PTR; #define GIGABITEN BIT(7) #define FULLDUPLEXEN BIT(0) #define MIIEN BIT(15) +#define CTL_EXT_EN BIT(18) /* DMA Registers */ #define CPDMA_TXCONTROL 0x004 #define CPDMA_RXCONTROL 0x014 @@ -489,6 +490,8 @@ static int cpsw_slave_update_link(struct cpsw_slave *slave, mac_control |= FULLDUPLEXEN; if (phy->speed == 100) mac_control |= MIIEN; + if (phy->speed == 10 && phy_interface_is_rgmii(phy)) + mac_control |= CTL_EXT_EN; } if (mac_control == slave->mac_control) |