summaryrefslogtreecommitdiffstats
path: root/drivers/net/ibm_emac/ibm_emac.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ibm_emac/ibm_emac.h')
-rw-r--r--drivers/net/ibm_emac/ibm_emac.h22
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/net/ibm_emac/ibm_emac.h b/drivers/net/ibm_emac/ibm_emac.h
index 28c476f..644edbf 100644
--- a/drivers/net/ibm_emac/ibm_emac.h
+++ b/drivers/net/ibm_emac/ibm_emac.h
@@ -26,7 +26,8 @@
/* This is a simple check to prevent use of this driver on non-tested SoCs */
#if !defined(CONFIG_405GP) && !defined(CONFIG_405GPR) && !defined(CONFIG_405EP) && \
!defined(CONFIG_440GP) && !defined(CONFIG_440GX) && !defined(CONFIG_440SP) && \
- !defined(CONFIG_440EP) && !defined(CONFIG_NP405H)
+ !defined(CONFIG_440EP) && !defined(CONFIG_NP405H) && !defined(CONFIG_440SPE) && \
+ !defined(CONFIG_440GR)
#error "Unknown SoC. Please, check chip user manual and make sure EMAC defines are OK"
#endif
@@ -246,6 +247,25 @@ struct emac_regs {
#define EMAC_STACR_PCDA_SHIFT 5
#define EMAC_STACR_PRA_MASK 0x1f
+/*
+ * For the 440SPe, AMCC inexplicably changed the polarity of
+ * the "operation complete" bit in the MII control register.
+ */
+#if defined(CONFIG_440SPE)
+static inline int emac_phy_done(u32 stacr)
+{
+ return !(stacr & EMAC_STACR_OC);
+};
+#define EMAC_STACR_START EMAC_STACR_OC
+
+#else /* CONFIG_440SPE */
+static inline int emac_phy_done(u32 stacr)
+{
+ return stacr & EMAC_STACR_OC;
+};
+#define EMAC_STACR_START 0
+#endif /* !CONFIG_440SPE */
+
/* EMACx_TRTR */
#if !defined(CONFIG_IBM_EMAC4)
#define EMAC_TRTR_SHIFT 27
OpenPOWER on IntegriCloud