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Lennert Buytenhek19cfd5c2008-05-10 23:25:46 +02001#ifndef __ARCH_ORION5X_MPP_H
2#define __ARCH_ORION5X_MPP_H
3
4enum orion5x_mpp_type {
5 /*
6 * This MPP is unused.
7 */
8 MPP_UNUSED,
9
10 /*
11 * This MPP pin is used as a generic GPIO pin. Valid for
12 * MPPs 0-15 and device bus data pins 16-31. On 5182, also
13 * valid for MPPs 16-19.
14 */
15 MPP_GPIO,
16
17 /*
18 * This MPP is used as PCIe_RST_OUTn pin. Valid for
19 * MPP 0 only.
20 */
21 MPP_PCIE_RST_OUTn,
22
23 /*
24 * This MPP is used as PCI arbiter pin (REQn/GNTn).
25 * Valid for MPPs 0-7 only.
26 */
27 MPP_PCI_ARB,
28
29 /*
30 * This MPP is used as PCI_PMEn pin. Valid for MPP 2 only.
31 */
32 MPP_PCI_PMEn,
33
34 /*
35 * This MPP is used as GigE half-duplex (COL, CRS) or GMII
36 * (RXERR, CRS, TXERR, TXD[7:4], RXD[7:4]) pin. Valid for
37 * MPPs 8-19 only.
38 */
39 MPP_GIGE,
40
41 /*
42 * This MPP is used as NAND REn/WEn pin. Valid for MPPs
43 * 4-7 and 12-17 only, and only on the 5181l/5182/5281.
44 */
45 MPP_NAND,
46
47 /*
48 * This MPP is used as a PCI clock output pin. Valid for
49 * MPPs 6-7 only, and only on the 5181l.
50 */
51 MPP_PCI_CLK,
52
53 /*
54 * This MPP is used as a SATA presence/activity LED.
55 * Valid for MPPs 4-7 and 12-15 only, and only on the 5182.
56 */
57 MPP_SATA_LED,
58
59 /*
60 * This MPP is used as UART1 RXD/TXD/CTSn/RTSn pin.
61 * Valid for MPPs 16-19 only.
62 */
63 MPP_UART,
64};
65
66struct orion5x_mpp_mode {
67 int mpp;
68 enum orion5x_mpp_type type;
69};
70
71void orion5x_mpp_conf(struct orion5x_mpp_mode *mode);
72
73
74#endif