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authorBen Hutchings <bhutchings@solarflare.com>2008-09-01 12:49:20 +0100
committerJeff Garzik <jgarzik@redhat.com>2008-09-24 18:54:35 -0400
commitef08af03ef85373901a2ca0241617e6e7e42685d (patch)
treeeb89fcfb1a05422e091762477bfd737093c7cd25 /drivers/net/sfc/tenxpress.c
parente1074a0d966ac372bb0abd5eee926a0b57316582 (diff)
sfc: Remove workaround for old firmware bug
There was a bug in XAUI synchronisation in early 10Xpress firmware versions. This is fixed in released firmware and we do not need to work around it. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/sfc/tenxpress.c')
-rw-r--r--drivers/net/sfc/tenxpress.c51
1 files changed, 0 insertions, 51 deletions
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 8412dbe1e8f..77e7f3a94b2 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -146,8 +146,6 @@ static int tenxpress_phy_check(struct efx_nic *efx)
return 0;
}
-static void tenxpress_reset_xaui(struct efx_nic *efx);
-
static int tenxpress_init(struct efx_nic *efx)
{
int rc, reg;
@@ -428,54 +426,6 @@ void tenxpress_phy_blink(struct efx_nic *efx, bool blink)
PMA_PMD_LED_OVERR_REG, reg);
}
-static void tenxpress_reset_xaui(struct efx_nic *efx)
-{
- int phy = efx->mii.phy_id;
- int clk_ctrl, test_select, soft_rst2;
-
- /* Real work is done on clock_ctrl other resets are thought to be
- * optional but make the reset more reliable
- */
-
- /* Read */
- clk_ctrl = mdio_clause45_read(efx, phy, MDIO_MMD_PCS,
- PCS_CLOCK_CTRL_REG);
- test_select = mdio_clause45_read(efx, phy, MDIO_MMD_PCS,
- PCS_TEST_SELECT_REG);
- soft_rst2 = mdio_clause45_read(efx, phy, MDIO_MMD_PCS,
- PCS_SOFT_RST2_REG);
-
- /* Put in reset */
- test_select &= ~(1 << CLK312_EN_LBN);
- mdio_clause45_write(efx, phy, MDIO_MMD_PCS,
- PCS_TEST_SELECT_REG, test_select);
-
- soft_rst2 &= ~((1 << XGXS_RST_N_LBN) | (1 << SERDES_RST_N_LBN));
- mdio_clause45_write(efx, phy, MDIO_MMD_PCS,
- PCS_SOFT_RST2_REG, soft_rst2);
-
- clk_ctrl &= ~(1 << PLL312_RST_N_LBN);
- mdio_clause45_write(efx, phy, MDIO_MMD_PCS,
- PCS_CLOCK_CTRL_REG, clk_ctrl);
- udelay(10);
-
- /* Remove reset */
- clk_ctrl |= (1 << PLL312_RST_N_LBN);
- mdio_clause45_write(efx, phy, MDIO_MMD_PCS,
- PCS_CLOCK_CTRL_REG, clk_ctrl);
- udelay(10);
-
- soft_rst2 |= ((1 << XGXS_RST_N_LBN) | (1 << SERDES_RST_N_LBN));
- mdio_clause45_write(efx, phy, MDIO_MMD_PCS,
- PCS_SOFT_RST2_REG, soft_rst2);
- udelay(10);
-
- test_select |= (1 << CLK312_EN_LBN);
- mdio_clause45_write(efx, phy, MDIO_MMD_PCS,
- PCS_TEST_SELECT_REG, test_select);
- udelay(10);
-}
-
static int tenxpress_phy_test(struct efx_nic *efx)
{
/* BIST is automatically run after a special software reset */
@@ -488,7 +438,6 @@ struct efx_phy_operations falcon_tenxpress_phy_ops = {
.check_hw = tenxpress_phy_check_hw,
.fini = tenxpress_phy_fini,
.clear_interrupt = tenxpress_phy_clear_interrupt,
- .reset_xaui = tenxpress_reset_xaui,
.test = tenxpress_phy_test,
.mmds = TENXPRESS_REQUIRED_DEVS,
.loopbacks = TENXPRESS_LOOPBACKS,