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-rw-r--r--drivers/net/stmmac/dwmac_dma.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/net/stmmac/dwmac_dma.h b/drivers/net/stmmac/dwmac_dma.h
new file mode 100644
index 00000000000..da3f5ccf83d
--- /dev/null
+++ b/drivers/net/stmmac/dwmac_dma.h
@@ -0,0 +1,108 @@
1/*******************************************************************************
2 DWMAC DMA Header file.
3
4 Copyright (C) 2007-2009 STMicroelectronics Ltd
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
23*******************************************************************************/
24
25/* DMA CRS Control and Status Register Mapping */
26#define DMA_BUS_MODE 0x00001000 /* Bus Mode */
27#define DMA_XMT_POLL_DEMAND 0x00001004 /* Transmit Poll Demand */
28#define DMA_RCV_POLL_DEMAND 0x00001008 /* Received Poll Demand */
29#define DMA_RCV_BASE_ADDR 0x0000100c /* Receive List Base */
30#define DMA_TX_BASE_ADDR 0x00001010 /* Transmit List Base */
31#define DMA_STATUS 0x00001014 /* Status Register */
32#define DMA_CONTROL 0x00001018 /* Ctrl (Operational Mode) */
33#define DMA_INTR_ENA 0x0000101c /* Interrupt Enable */
34#define DMA_MISSED_FRAME_CTR 0x00001020 /* Missed Frame Counter */
35#define DMA_CUR_TX_BUF_ADDR 0x00001050 /* Current Host Tx Buffer */
36#define DMA_CUR_RX_BUF_ADDR 0x00001054 /* Current Host Rx Buffer */
37
38/* DMA Control register defines */
39#define DMA_CONTROL_ST 0x00002000 /* Start/Stop Transmission */
40#define DMA_CONTROL_SR 0x00000002 /* Start/Stop Receive */
41
42/* DMA Normal interrupt */
43#define DMA_INTR_ENA_NIE 0x00010000 /* Normal Summary */
44#define DMA_INTR_ENA_TIE 0x00000001 /* Transmit Interrupt */
45#define DMA_INTR_ENA_TUE 0x00000004 /* Transmit Buffer Unavailable */
46#define DMA_INTR_ENA_RIE 0x00000040 /* Receive Interrupt */
47#define DMA_INTR_ENA_ERE 0x00004000 /* Early Receive */
48
49#define DMA_INTR_NORMAL (DMA_INTR_ENA_NIE | DMA_INTR_ENA_RIE | \
50 DMA_INTR_ENA_TIE)
51
52/* DMA Abnormal interrupt */
53#define DMA_INTR_ENA_AIE 0x00008000 /* Abnormal Summary */
54#define DMA_INTR_ENA_FBE 0x00002000 /* Fatal Bus Error */
55#define DMA_INTR_ENA_ETE 0x00000400 /* Early Transmit */
56#define DMA_INTR_ENA_RWE 0x00000200 /* Receive Watchdog */
57#define DMA_INTR_ENA_RSE 0x00000100 /* Receive Stopped */
58#define DMA_INTR_ENA_RUE 0x00000080 /* Receive Buffer Unavailable */
59#define DMA_INTR_ENA_UNE 0x00000020 /* Tx Underflow */
60#define DMA_INTR_ENA_OVE 0x00000010 /* Receive Overflow */
61#define DMA_INTR_ENA_TJE 0x00000008 /* Transmit Jabber */
62#define DMA_INTR_ENA_TSE 0x00000002 /* Transmit Stopped */
63
64#define DMA_INTR_ABNORMAL (DMA_INTR_ENA_AIE | DMA_INTR_ENA_FBE | \
65 DMA_INTR_ENA_UNE)
66
67/* DMA default interrupt mask */
68#define DMA_INTR_DEFAULT_MASK (DMA_INTR_NORMAL | DMA_INTR_ABNORMAL)
69
70/* DMA Status register defines */
71#define DMA_STATUS_GPI 0x10000000 /* PMT interrupt */
72#define DMA_STATUS_GMI 0x08000000 /* MMC interrupt */
73#define DMA_STATUS_GLI 0x04000000 /* GMAC Line interface int */
74#define DMA_STATUS_GMI 0x08000000
75#define DMA_STATUS_GLI 0x04000000
76#define DMA_STATUS_EB_MASK 0x00380000 /* Error Bits Mask */
77#define DMA_STATUS_EB_TX_ABORT 0x00080000 /* Error Bits - TX Abort */
78#define DMA_STATUS_EB_RX_ABORT 0x00100000 /* Error Bits - RX Abort */
79#define DMA_STATUS_TS_MASK 0x00700000 /* Transmit Process State */
80#define DMA_STATUS_TS_SHIFT 20
81#define DMA_STATUS_RS_MASK 0x000e0000 /* Receive Process State */
82#define DMA_STATUS_RS_SHIFT 17
83#define DMA_STATUS_NIS 0x00010000 /* Normal Interrupt Summary */
84#define DMA_STATUS_AIS 0x00008000 /* Abnormal Interrupt Summary */
85#define DMA_STATUS_ERI 0x00004000 /* Early Receive Interrupt */
86#define DMA_STATUS_FBI 0x00002000 /* Fatal Bus Error Interrupt */
87#define DMA_STATUS_ETI 0x00000400 /* Early Transmit Interrupt */
88#define DMA_STATUS_RWT 0x00000200 /* Receive Watchdog Timeout */
89#define DMA_STATUS_RPS 0x00000100 /* Receive Process Stopped */
90#define DMA_STATUS_RU 0x00000080 /* Receive Buffer Unavailable */
91#define DMA_STATUS_RI 0x00000040 /* Receive Interrupt */
92#define DMA_STATUS_UNF 0x00000020 /* Transmit Underflow */
93#define DMA_STATUS_OVF 0x00000010 /* Receive Overflow */
94#define DMA_STATUS_TJT 0x00000008 /* Transmit Jabber Timeout */
95#define DMA_STATUS_TU 0x00000004 /* Transmit Buffer Unavailable */
96#define DMA_STATUS_TPS 0x00000002 /* Transmit Process Stopped */
97#define DMA_STATUS_TI 0x00000001 /* Transmit Interrupt */
98#define DMA_CONTROL_FTF 0x00100000 /* Flush transmit FIFO */
99
100extern void dwmac_enable_dma_transmission(void __iomem *ioaddr);
101extern void dwmac_enable_dma_irq(void __iomem *ioaddr);
102extern void dwmac_disable_dma_irq(void __iomem *ioaddr);
103extern void dwmac_dma_start_tx(void __iomem *ioaddr);
104extern void dwmac_dma_stop_tx(void __iomem *ioaddr);
105extern void dwmac_dma_start_rx(void __iomem *ioaddr);
106extern void dwmac_dma_stop_rx(void __iomem *ioaddr);
107extern int dwmac_dma_interrupt(void __iomem *ioaddr,
108 struct stmmac_extra_stats *x);
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-14 22:17:39 -0400