summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/cpu/mpc85xx/p5040_serdes.c
blob: 577b6d9e791e1145bf84c188d887bac684856702 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
/*
 * Copyright 2009-2011 Freescale Semiconductor, Inc.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <asm/fsl_serdes.h>
#include <asm/processor.h>
#include <asm/io.h>
#include "fsl_corenet_serdes.h"

/*
 * Note: For P5040, the fourth SerDes bank (with two lanes) is on SerDes2, but
 * U-Boot only supports one SerDes controller.  Therefore, we ignore bank 4 in
 * this table.  This works because most of the SerDes code is for errata
 * work-arounds, and there are no P5040 errata that effect bank 4.
 */

static u8 serdes_cfg_tbl[][SRDS_MAX_LANES] = {
	[0x00] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2,
		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC1,
		SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4,
		XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2, /* SATA1, SATA2, */ },
	[0x01] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2,
		SGMII_FM1_DTSEC3, SGMII_FM2_DTSEC4, XAUI_FM1, XAUI_FM1,
		XAUI_FM1, XAUI_FM1, XAUI_FM2, XAUI_FM2, XAUI_FM2,
		XAUI_FM2, /* SATA1, SATA2 */ },
	[0x02] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, SGMII_FM1_DTSEC3,
		SGMII_FM1_DTSEC4, SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4,
		XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM2, XAUI_FM2,
		XAUI_FM2, XAUI_FM2, /* SATA1, SATA2 */ },
	[0x03] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, SGMII_FM2_DTSEC1,
		SGMII_FM2_DTSEC2, SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4,
		SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3,
		SGMII_FM1_DTSEC4, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
		/* SATA1, SATA2 */ },
	[0x04] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE3, SGMII_FM2_DTSEC1,
		SGMII_FM2_DTSEC2, SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4,
		SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3,
		SGMII_FM1_DTSEC4, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
		/* SATA1, SATA2 */ },
	[0x05] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE3, SGMII_FM1_DTSEC3,
		SGMII_FM1_DTSEC4, SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4,
		XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM2, XAUI_FM2,
		XAUI_FM2, XAUI_FM2, /* SATA1, SATA2 */ },
	[0x06] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1,
		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC1,
		SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4,
		XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2, /* SATA1, SATA2 */ },
	[0x07] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1,
		SGMII_FM1_DTSEC3, SGMII_FM2_DTSEC4, XAUI_FM1, XAUI_FM1,
		XAUI_FM1, XAUI_FM1, XAUI_FM2, XAUI_FM2, XAUI_FM2,
		XAUI_FM2, /* SATA1, SATA2 */ },
	[0x11] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2,
		AURORA, AURORA, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, SATA1, SATA2,
		/* NONE, NONE */ },
	[0x15] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2,
		AURORA, AURORA, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1,
		NONE, NONE, SATA1, SATA2, /* NONE, NONE */ },
	[0x2a] = {PCIE1, PCIE1, PCIE3, PCIE3, PCIE2, PCIE2, PCIE2, PCIE2,
		AURORA, AURORA, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, XAUI_FM2, XAUI_FM2,
		XAUI_FM2, XAUI_FM2, /* NONE, NONE */ },
	[0x34] = {PCIE1, PCIE1, PCIE1, PCIE1, SGMII_FM1_DTSEC1,
		SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, AURORA,
		AURORA, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1, NONE,
		NONE, SATA1, SATA2, /* NONE, NONE */ },
	[0x35] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2,
		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, AURORA, AURORA, XAUI_FM1,
		XAUI_FM1, XAUI_FM1, XAUI_FM1, NONE, NONE, SATA1, SATA2,
		/* NONE, NONE */ },
	[0x36] = {PCIE1, PCIE1, PCIE3, PCIE3, SGMII_FM1_DTSEC1,
		SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, AURORA,
		AURORA, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1, NONE,
		NONE, SATA1, SATA2, /* NONE, NONE */ },
};

enum srds_prtcl serdes_get_prtcl(int cfg, int lane)
{
	if (!serdes_lane_enabled(lane))
		return NONE;

	return serdes_cfg_tbl[cfg][lane];
}

int is_serdes_prtcl_valid(u32 prtcl)
{
	int i;

	if (prtcl >= ARRAY_SIZE(serdes_cfg_tbl))
		return 0;

	for (i = 0; i < SRDS_MAX_LANES; i++) {
		if (serdes_cfg_tbl[prtcl][i] != NONE)
			return 1;
	}

	return 0;
}