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| author | Mathew McBride <matt@traverse.com.au> | 2018-04-17 09:45:11 +1000 |
|---|---|---|
| committer | John Crispin <john@phrozen.org> | 2018-07-30 10:53:57 +0200 |
| commit | 2203815f05162c357fbf96b3da8098f687a86d04 (patch) | |
| tree | c11db47520c3105d97d9c23af9419161b70ae76d /target/linux/layerscape/patches-4.9/820-rgmii-fixed-link.patch | |
| parent | 40120ca6709c4f47d739688797a39c31859d3a85 (diff) | |
| download | upstream-2203815f05162c357fbf96b3da8098f687a86d04.tar.gz upstream-2203815f05162c357fbf96b3da8098f687a86d04.tar.bz2 upstream-2203815f05162c357fbf96b3da8098f687a86d04.zip | |
layerscape: add support for fixed-link on RGMII interfaces
This is required on the Traverse LS1043 boards to support SFP
and xDSL plug-ins.
This will not be needed on kernel 4.14.
Signed-off-by: Mathew McBride <matt@traverse.com.au>
Diffstat (limited to 'target/linux/layerscape/patches-4.9/820-rgmii-fixed-link.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.9/820-rgmii-fixed-link.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.9/820-rgmii-fixed-link.patch b/target/linux/layerscape/patches-4.9/820-rgmii-fixed-link.patch new file mode 100644 index 0000000000..b867b1805a --- /dev/null +++ b/target/linux/layerscape/patches-4.9/820-rgmii-fixed-link.patch @@ -0,0 +1,62 @@ +From f27ef8941ca29b2d10428754be51e8ee06bb1263 Mon Sep 17 00:00:00 2001 +From: Mathew McBride <matt@traverse.com.au> +Date: Mon, 7 Aug 2017 10:19:48 +1000 +Subject: [PATCH] Recognize when an RGMII Link is set as fixed (in the device + tree) and set up the MAC accordingly + +--- + drivers/net/ethernet/freescale/sdk_dpaa/mac.c | 1 + + .../ethernet/freescale/sdk_fman/Peripherals/FM/MAC/memac.c | 13 +++++++++++++ + 2 files changed, 14 insertions(+) + +--- a/drivers/net/ethernet/freescale/sdk_dpaa/mac.c ++++ b/drivers/net/ethernet/freescale/sdk_dpaa/mac.c +@@ -386,6 +386,7 @@ static int __cold mac_probe(struct platf + mac_dev->fixed_link->duplex = phy->duplex; + mac_dev->fixed_link->pause = phy->pause; + mac_dev->fixed_link->asym_pause = phy->asym_pause; ++ printk(KERN_INFO "Setting up fixed link, speed %d duplex %d\n", mac_dev->fixed_link->speed, mac_dev->fixed_link->duplex); + } + + _errno = mac_dev->init(mac_dev); +--- a/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/MAC/memac.c ++++ b/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/MAC/memac.c +@@ -36,6 +36,8 @@ + + @Description FM mEMAC driver + *//***************************************************************************/ ++#include <../../../../sdk_dpaa/mac.h> ++#include <linux/phy_fixed.h> + + #include "std_ext.h" + #include "string_ext.h" +@@ -48,6 +50,8 @@ + #include "memac.h" + + ++static t_Error MemacAdjustLink(t_Handle h_Memac, e_EnetSpeed speed, bool fullDuplex); ++ + /*****************************************************************************/ + /* Internal routines */ + /*****************************************************************************/ +@@ -276,11 +280,20 @@ static t_Error MemacEnable(t_Handle h_Me + { + t_Memac *p_Memac = (t_Memac *)h_Memac; + ++ struct mac_device *mac_dev = (struct mac_device *)p_Memac->h_App; ++ + SANITY_CHECK_RETURN_ERROR(p_Memac, E_INVALID_HANDLE); + SANITY_CHECK_RETURN_ERROR(!p_Memac->p_MemacDriverParam, E_INVALID_STATE); + + fman_memac_enable(p_Memac->p_MemMap, (mode & e_COMM_MODE_RX), (mode & e_COMM_MODE_TX)); + ++ if (ENET_INTERFACE_FROM_MODE(p_Memac->enetMode) == e_ENET_IF_RGMII) { ++ if (mac_dev->fixed_link) { ++ printk("This is a fixed-link, forcing speed %d duplex %d\n",mac_dev->fixed_link->speed,mac_dev->fixed_link->duplex); ++ MemacAdjustLink(h_Memac,mac_dev->fixed_link->speed,mac_dev->fixed_link->duplex); ++ } ++ } ++ + return E_OK; + } + |