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net: dsa: b53: add BCM63268 RGMII configuration

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BCM63268 requires special RGMII configuration to work.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Álvaro Fernández Rojas 2023-03-21 18:33:59 +01:00 committed by Jakub Kicinski
parent 260887c770
commit 594c6c2e3e
2 changed files with 6 additions and 1 deletions
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6
drivers/net/dsa/b53/b53_common.c
View File

@ -1240,8 +1240,12 @@ static void b53_adjust_63xx_rgmii(struct dsa_switch *ds, int port,
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);

1
drivers/net/dsa/b53/b53_regs.h
View File

@ -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)