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54 lines
2.0 KiB
Diff
54 lines
2.0 KiB
Diff
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From 8e6f31baba7e2c13ab7e954fe6179420a7545a8b Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Tue, 31 Jan 2017 19:37:56 +0100
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Subject: [PATCH 3/3] net: bgmac: use PHY subsystem for initializing PHY
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This adds support for using bgmac with PHYs supported by standalone PHY
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drivers. Having any PHY initialization in bgmac is hacky and shouldn't
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be extended but rather removed if anyone has hardware to test it.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c
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+++ b/drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c
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@@ -132,6 +132,10 @@ static void bcma_mdio_phy_init(struct bg
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struct bcma_chipinfo *ci = &bgmac->bcma.core->bus->chipinfo;
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u8 i;
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+ /* For some legacy hardware we do chipset-based PHY initialization here
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+ * without even detecting PHY ID. It's hacky and should be cleaned as
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+ * soon as someone can test it.
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+ */
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if (ci->id == BCMA_CHIP_ID_BCM5356) {
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for (i = 0; i < 5; i++) {
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bcma_mdio_phy_write(bgmac, i, 0x1f, 0x008b);
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@@ -140,6 +144,7 @@ static void bcma_mdio_phy_init(struct bg
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bcma_mdio_phy_write(bgmac, i, 0x12, 0x2aaa);
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bcma_mdio_phy_write(bgmac, i, 0x1f, 0x000b);
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}
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+ return;
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}
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if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg != 10) ||
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(ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg != 10) ||
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@@ -161,7 +166,12 @@ static void bcma_mdio_phy_init(struct bg
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bcma_mdio_phy_write(bgmac, i, 0x17, 0x9273);
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bcma_mdio_phy_write(bgmac, i, 0x1f, 0x000b);
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}
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+ return;
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}
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+
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+ /* For all other hw do initialization using PHY subsystem. */
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+ if (bgmac->net_dev && bgmac->net_dev->phydev)
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+ phy_init_hw(bgmac->net_dev->phydev);
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}
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/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyreset */
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