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- Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <[email protected]>
- Subject: [PATCH 4/4] net: dsa: b53: add BCM63268 RGMII configuration
- Date: Mon, 20 Mar 2023 16:50:24 +0100
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- BCM63268 requires special RGMII configuration to work.
- Signed-off-by: Álvaro Fernández Rojas <[email protected]>
- ---
- drivers/net/dsa/b53/b53_common.c | 6 +++++-
- drivers/net/dsa/b53/b53_regs.h | 1 +
- 2 files changed, 6 insertions(+), 1 deletion(-)
- --- a/drivers/net/dsa/b53/b53_common.c
- +++ b/drivers/net/dsa/b53/b53_common.c
- @@ -1240,8 +1240,12 @@ static void b53_adjust_63xx_rgmii(struct
- break;
- }
-
- - if (port != dev->imp_port)
- + if (port != dev->imp_port) {
- + if (is63268(dev))
- + rgmii_ctrl |= RGMII_CTRL_MII_OVERRIDE;
- +
- rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII;
- + }
-
- b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl);
-
- --- a/drivers/net/dsa/b53/b53_regs.h
- +++ b/drivers/net/dsa/b53/b53_regs.h
- @@ -138,6 +138,7 @@
-
- #define B53_RGMII_CTRL_IMP 0x60
- #define RGMII_CTRL_ENABLE_GMII BIT(7)
- +#define RGMII_CTRL_MII_OVERRIDE BIT(6)
- #define RGMII_CTRL_TIMING_SEL BIT(2)
- #define RGMII_CTRL_DLL_RXC BIT(1)
- #define RGMII_CTRL_DLL_TXC BIT(0)
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