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authorMatt Carlson <mcarlson@broadcom.com>2007-11-13 00:18:04 -0500
committerDavid S. Miller <davem@davemloft.net>2007-11-13 00:18:04 -0500
commitaa6c91fe5913faa2cd2a62de993a3130799412b1 (patch)
treee3b320593d68b4542beedf496b365378519fb2d2 /drivers/net/tg3.h
parent5f60891b80f1a0f0a0015b084f4838ae8b9637c7 (diff)
[TG3]: Prescaler fix
Internal hardware timers become inaccurate after link events. Clock frequency switches performed by the CPMU fail to adjust timer prescalers. The fix is to detect core clock frequency changes during link events and adjust the timer prescalers accordingly. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tg3.h')
-rw-r--r--drivers/net/tg3.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 5b799ff2c4d6..d325ab59b391 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -874,7 +874,14 @@
874#define TG3_CPMU_HST_ACC 0x0000361c 874#define TG3_CPMU_HST_ACC 0x0000361c
875#define CPMU_HST_ACC_MACCLK_MASK 0x001f0000 875#define CPMU_HST_ACC_MACCLK_MASK 0x001f0000
876#define CPMU_HST_ACC_MACCLK_6_25 0x00130000 876#define CPMU_HST_ACC_MACCLK_6_25 0x00130000
877/* 0x3620 --> 0x365c unused */ 877/* 0x3620 --> 0x3630 unused */
878
879#define TG3_CPMU_CLCK_STAT 0x00003630
880#define CPMU_CLCK_STAT_MAC_CLCK_MASK 0x001f0000
881#define CPMU_CLCK_STAT_MAC_CLCK_62_5 0x00000000
882#define CPMU_CLCK_STAT_MAC_CLCK_12_5 0x00110000
883#define CPMU_CLCK_STAT_MAC_CLCK_6_25 0x00130000
884/* 0x3634 --> 0x365c unused */
878 885
879#define TG3_CPMU_MUTEX_REQ 0x0000365c 886#define TG3_CPMU_MUTEX_REQ 0x0000365c
880#define CPMU_MUTEX_REQ_DRIVER 0x00001000 887#define CPMU_MUTEX_REQ_DRIVER 0x00001000