Commit bb85fbb6 authored by Matt Carlson's avatar Matt Carlson Committed by David S. Miller

tg3: Tune 5785 clock switching

This patch tunes the timeouts the CPMU uses to decide when to switch
from the clocks output by the PHY to internal clock sources.
Signed-off-by: default avatarMatt Carlson <mcarlson@broadcom.com>
Reviewed-by: default avatarMichael Chan <mchan@broadcom.com>
Reviewed-by: default avatarBenjamin Li <benli@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5e7ccf20
......@@ -917,7 +917,9 @@ static void tg3_mdio_config_5785(struct tg3 *tp)
tw32(MAC_PHYCFG2, val);
val = tr32(MAC_PHYCFG1);
val &= ~MAC_PHYCFG1_RGMII_INT;
val &= ~(MAC_PHYCFG1_RGMII_INT |
MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK);
val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT;
tw32(MAC_PHYCFG1, val);
return;
......@@ -933,15 +935,18 @@ static void tg3_mdio_config_5785(struct tg3 *tp)
tw32(MAC_PHYCFG2, val);
val = tr32(MAC_PHYCFG1) & ~(MAC_PHYCFG1_RGMII_EXT_RX_DEC |
MAC_PHYCFG1_RGMII_SND_STAT_EN);
if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE) {
val = tr32(MAC_PHYCFG1);
val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK |
MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN);
if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)) {
if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
}
tw32(MAC_PHYCFG1, val | MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV);
val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT |
MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV;
tw32(MAC_PHYCFG1, val);
val = tr32(MAC_EXT_RGMII_MODE);
val &= ~(MAC_RGMII_MODE_RX_INT_B |
......
......@@ -524,6 +524,10 @@
/* 0x598 --> 0x5a0 unused */
#define MAC_PHYCFG1 0x000005a0
#define MAC_PHYCFG1_RGMII_INT 0x00000001
#define MAC_PHYCFG1_RXCLK_TO_MASK 0x00001ff0
#define MAC_PHYCFG1_RXCLK_TIMEOUT 0x00001000
#define MAC_PHYCFG1_TXCLK_TO_MASK 0x01ff0000
#define MAC_PHYCFG1_TXCLK_TIMEOUT 0x01000000
#define MAC_PHYCFG1_RGMII_EXT_RX_DEC 0x02000000
#define MAC_PHYCFG1_RGMII_SND_STAT_EN 0x04000000
#define MAC_PHYCFG1_TXC_DRV 0x20000000
......
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