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authorRalf Baechle <ralf@linux-mips.org>1998-08-25 09:12:35 +0000
committerRalf Baechle <ralf@linux-mips.org>1998-08-25 09:12:35 +0000
commitc7fc24dc4420057f103afe8fc64524ebc25c5d37 (patch)
tree3682407a599b8f9f03fc096298134cafba1c9b2f /drivers/net/hplance.h
parent1d793fade8b063fde3cf275bf1a5c2d381292cd9 (diff)
o Merge with Linux 2.1.116.
o New Newport console code. o New G364 console code.
Diffstat (limited to 'drivers/net/hplance.h')
-rw-r--r--drivers/net/hplance.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/hplance.h b/drivers/net/hplance.h
new file mode 100644
index 000000000..3af4c4d1f
--- /dev/null
+++ b/drivers/net/hplance.h
@@ -0,0 +1,31 @@
+/* Random defines and structures for the HP Lance driver.
+ * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk>
+ * Based on the Sun Lance driver and the NetBSD HP Lance driver
+ */
+
+/* Registers */
+struct hplance_reg
+{
+ u_char pad0;
+ volatile u_char id; /* DIO register: ID byte */
+ u_char pad1;
+ volatile u_char status; /* DIO register: interrupt enable */
+};
+
+/* Control and status bits for the hplance->status register */
+#define LE_IE 0x80 /* interrupt enable */
+#define LE_IR 0x40 /* interrupt requested */
+#define LE_LOCK 0x08 /* lock status register */
+#define LE_ACK 0x04 /* ack of lock */
+#define LE_JAB 0x02 /* loss of tx clock (???) */
+/* We can also extract the IPL from the status register with the standard
+ * DIO_IPL(hplance) macro, or using dio_scodetoipl()
+ */
+
+/* These are the offsets for the DIO regs (hplance_reg), lance_ioreg,
+ * memory and NVRAM:
+ */
+#define HPLANCE_IDOFF 0 /* board baseaddr, struct hplance_reg */
+#define HPLANCE_REGOFF 0x4000 /* struct lance_regs */
+#define HPLANCE_MEMOFF 0x8000 /* struct lance_init_block */
+#define HPLANCE_NVRAMOFF 0xC008 /* etheraddress as one *nibble* per byte */