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authorAndrew Victor <andrew@sanpeople.com>2006-03-24 04:50:17 -0500
committerJeff Garzik <jeff@garzik.org>2006-03-24 12:10:55 -0500
commitd4b7780ea1d2e08410fcc9963a57254147ae577a (patch)
tree3625bc3f6f0220b348793e9dc1e1a131899b49c9 /include
parente93252faca2eb1a14b44369705be7c79eba2f037 (diff)
[PATCH] AT91RM9200 Ethernet driver
This patch adds support for the Ethernet controller integrated in the Atmel AT91RM9200 SoC processor. Changes since the previous submission (01/02/2006) are: - Make use of the clk.h clock infrastructure. - The multicast hash function is not crc32. [Patch by Pedro Perez] Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-arm/arch-at91rm9200/at91rm9200_emac.h138
1 files changed, 138 insertions, 0 deletions
diff --git a/include/asm-arm/arch-at91rm9200/at91rm9200_emac.h b/include/asm-arm/arch-at91rm9200/at91rm9200_emac.h
new file mode 100644
index 000000000000..fbc091e61e2f
--- /dev/null
+++ b/include/asm-arm/arch-at91rm9200/at91rm9200_emac.h
@@ -0,0 +1,138 @@
1/*
2 * include/asm-arm/arch-at91rm9200/at91rm9200_emac.h
3 *
4 * Copyright (C) 2005 Ivan Kokshaysky
5 * Copyright (C) SAN People
6 *
7 * Ethernet MAC registers.
8 * Based on AT91RM9200 datasheet revision E.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 */
15
16#ifndef AT91RM9200_EMAC_H
17#define AT91RM9200_EMAC_H
18
19#define AT91_EMAC_CTL 0x00 /* Control Register */
20#define AT91_EMAC_LB (1 << 0) /* Loopback */
21#define AT91_EMAC_LBL (1 << 1) /* Loopback Local */
22#define AT91_EMAC_RE (1 << 2) /* Receive Enable */
23#define AT91_EMAC_TE (1 << 3) /* Transmit Enable */
24#define AT91_EMAC_MPE (1 << 4) /* Management Port Enable */
25#define AT91_EMAC_CSR (1 << 5) /* Clear Statistics Registers */
26#define AT91_EMAC_INCSTAT (1 << 6) /* Increment Statistics Registers */
27#define AT91_EMAC_WES (1 << 7) /* Write Enable for Statistics Registers */
28#define AT91_EMAC_BP (1 << 8) /* Back Pressure */
29
30#define AT91_EMAC_CFG 0x04 /* Configuration Register */
31#define AT91_EMAC_SPD (1 << 0) /* Speed */
32#define AT91_EMAC_FD (1 << 1) /* Full Duplex */
33#define AT91_EMAC_BR (1 << 2) /* Bit Rate */
34#define AT91_EMAC_CAF (1 << 4) /* Copy All Frames */
35#define AT91_EMAC_NBC (1 << 5) /* No Broadcast */
36#define AT91_EMAC_MTI (1 << 6) /* Multicast Hash Enable */
37#define AT91_EMAC_UNI (1 << 7) /* Unicast Hash Enable */
38#define AT91_EMAC_BIG (1 << 8) /* Receive 1522 Bytes */
39#define AT91_EMAC_EAE (1 << 9) /* External Address Match Enable */
40#define AT91_EMAC_CLK (3 << 10) /* MDC Clock Divisor */
41#define AT91_EMAC_CLK_DIV8 (0 << 10)
42#define AT91_EMAC_CLK_DIV16 (1 << 10)
43#define AT91_EMAC_CLK_DIV32 (2 << 10)
44#define AT91_EMAC_CLK_DIV64 (3 << 10)
45#define AT91_EMAC_RTY (1 << 12) /* Retry Test */
46#define AT91_EMAC_RMII (1 << 13) /* Reduce MII (RMII) */
47
48#define AT91_EMAC_SR 0x08 /* Status Register */
49#define AT91_EMAC_SR_LINK (1 << 0) /* Link */
50#define AT91_EMAC_SR_MDIO (1 << 1) /* MDIO pin */
51#define AT91_EMAC_SR_IDLE (1 << 2) /* PHY idle */
52
53#define AT91_EMAC_TAR 0x0c /* Transmit Address Register */
54
55#define AT91_EMAC_TCR 0x10 /* Transmit Control Register */
56#define AT91_EMAC_LEN (0x7ff << 0) /* Transmit Frame Length */
57#define AT91_EMAC_NCRC (1 << 15) /* No CRC */
58
59#define AT91_EMAC_TSR 0x14 /* Transmit Status Register */
60#define AT91_EMAC_TSR_OVR (1 << 0) /* Transmit Buffer Overrun */
61#define AT91_EMAC_TSR_COL (1 << 1) /* Collision Occurred */
62#define AT91_EMAC_TSR_RLE (1 << 2) /* Retry Limit Exceeded */
63#define AT91_EMAC_TSR_IDLE (1 << 3) /* Transmitter Idle */
64#define AT91_EMAC_TSR_BNQ (1 << 4) /* Transmit Buffer not Queued */
65#define AT91_EMAC_TSR_COMP (1 << 5) /* Transmit Complete */
66#define AT91_EMAC_TSR_UND (1 << 6) /* Transmit Underrun */
67
68#define AT91_EMAC_RBQP 0x18 /* Receive Buffer Queue Pointer */
69
70#define AT91_EMAC_RSR 0x20 /* Receive Status Register */
71#define AT91_EMAC_RSR_BNA (1 << 0) /* Buffer Not Available */
72#define AT91_EMAC_RSR_REC (1 << 1) /* Frame Received */
73#define AT91_EMAC_RSR_OVR (1 << 2) /* RX Overrun */
74
75#define AT91_EMAC_ISR 0x24 /* Interrupt Status Register */
76#define AT91_EMAC_DONE (1 << 0) /* Management Done */
77#define AT91_EMAC_RCOM (1 << 1) /* Receive Complete */
78#define AT91_EMAC_RBNA (1 << 2) /* Receive Buffer Not Available */
79#define AT91_EMAC_TOVR (1 << 3) /* Transmit Buffer Overrun */
80#define AT91_EMAC_TUND (1 << 4) /* Transmit Buffer Underrun */
81#define AT91_EMAC_RTRY (1 << 5) /* Retry Limit */
82#define AT91_EMAC_TBRE (1 << 6) /* Transmit Buffer Register Empty */
83#define AT91_EMAC_TCOM (1 << 7) /* Transmit Complete */
84#define AT91_EMAC_TIDLE (1 << 8) /* Transmit Idle */
85#define AT91_EMAC_LINK (1 << 9) /* Link */
86#define AT91_EMAC_ROVR (1 << 10) /* RX Overrun */
87#define AT91_EMAC_ABT (1 << 11) /* Abort */
88
89#define AT91_EMAC_IER 0x28 /* Interrupt Enable Register */
90#define AT91_EMAC_IDR 0x2c /* Interrupt Disable Register */
91#define AT91_EMAC_IMR 0x30 /* Interrupt Mask Register */
92
93#define AT91_EMAC_MAN 0x34 /* PHY Maintenance Register */
94#define AT91_EMAC_DATA (0xffff << 0) /* MDIO Data */
95#define AT91_EMAC_REGA (0x1f << 18) /* MDIO Register */
96#define AT91_EMAC_PHYA (0x1f << 23) /* MDIO PHY Address */
97#define AT91_EMAC_RW (3 << 28) /* Read/Write operation */
98#define AT91_EMAC_RW_W (1 << 28)
99#define AT91_EMAC_RW_R (2 << 28)
100#define AT91_EMAC_MAN_802_3 0x40020000 /* IEEE 802.3 value */
101
102/*
103 * Statistics Registers.
104 */
105#define AT91_EMAC_FRA 0x40 /* Frames Transmitted OK */
106#define AT91_EMAC_SCOL 0x44 /* Single Collision Frame */
107#define AT91_EMAC_MCOL 0x48 /* Multiple Collision Frame */
108#define AT91_EMAC_OK 0x4c /* Frames Received OK */
109#define AT91_EMAC_SEQE 0x50 /* Frame Check Sequence Error */
110#define AT91_EMAC_ALE 0x54 /* Alignmemt Error */
111#define AT91_EMAC_DTE 0x58 /* Deffered Transmission Frame */
112#define AT91_EMAC_LCOL 0x5c /* Late Collision */
113#define AT91_EMAC_ECOL 0x60 /* Excessive Collision */
114#define AT91_EMAC_TUE 0x64 /* Transmit Underrun Error */
115#define AT91_EMAC_CSE 0x68 /* Carrier Sense Error */
116#define AT91_EMAC_DRFC 0x6c /* Discard RX Frame */
117#define AT91_EMAC_ROV 0x70 /* Receive Overrun */
118#define AT91_EMAC_CDE 0x74 /* Code Error */
119#define AT91_EMAC_ELR 0x78 /* Excessive Length Error */
120#define AT91_EMAC_RJB 0x7c /* Receive Jabber */
121#define AT91_EMAC_USF 0x80 /* Undersize Frame */
122#define AT91_EMAC_SQEE 0x84 /* SQE Test Error */
123
124/*
125 * Address Registers.
126 */
127#define AT91_EMAC_HSL 0x90 /* Hash Address Low [31:0] */
128#define AT91_EMAC_HSH 0x94 /* Hash Address High [63:32] */
129#define AT91_EMAC_SA1L 0x98 /* Specific Address 1 Low, bytes 0-3 */
130#define AT91_EMAC_SA1H 0x9c /* Specific Address 1 High, bytes 4-5 */
131#define AT91_EMAC_SA2L 0xa0 /* Specific Address 2 Low, bytes 0-3 */
132#define AT91_EMAC_SA2H 0xa4 /* Specific Address 2 High, bytes 4-5 */
133#define AT91_EMAC_SA3L 0xa8 /* Specific Address 3 Low, bytes 0-3 */
134#define AT91_EMAC_SA3H 0xac /* Specific Address 3 High, bytes 4-5 */
135#define AT91_EMAC_SA4L 0xb0 /* Specific Address 4 Low, bytes 0-3 */
136#define AT91_EMAC_SA4H 0xb4 /* Specific Address 4 High, bytes 4-5 */
137
138#endif