1 /*
2 * bdc_dbg.c - BRCM BDC USB3.0 device controller debug functions
3 *
4 * Copyright (C) 2014 Broadcom Corporation
5 *
6 * Author: Ashwini Pahuja
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 */
14
15 #include "bdc.h"
16 #include "bdc_dbg.h"
17
bdc_dbg_regs(struct bdc * bdc)18 void bdc_dbg_regs(struct bdc *bdc)
19 {
20 u32 temp;
21
22 dev_vdbg(bdc->dev, "bdc->regs:%p\n", bdc->regs);
23 temp = bdc_readl(bdc->regs, BDC_BDCCFG0);
24 dev_vdbg(bdc->dev, "bdccfg0:0x%08x\n", temp);
25 temp = bdc_readl(bdc->regs, BDC_BDCCFG1);
26 dev_vdbg(bdc->dev, "bdccfg1:0x%08x\n", temp);
27 temp = bdc_readl(bdc->regs, BDC_BDCCAP0);
28 dev_vdbg(bdc->dev, "bdccap0:0x%08x\n", temp);
29 temp = bdc_readl(bdc->regs, BDC_BDCCAP1);
30 dev_vdbg(bdc->dev, "bdccap1:0x%08x\n", temp);
31 temp = bdc_readl(bdc->regs, BDC_USPC);
32 dev_vdbg(bdc->dev, "uspc:0x%08x\n", temp);
33 temp = bdc_readl(bdc->regs, BDC_DVCSA);
34 dev_vdbg(bdc->dev, "dvcsa:0x%08x\n", temp);
35 temp = bdc_readl(bdc->regs, BDC_DVCSB);
36 dev_vdbg(bdc->dev, "dvcsb:0x%x08\n", temp);
37 }
38
bdc_dump_epsts(struct bdc * bdc)39 void bdc_dump_epsts(struct bdc *bdc)
40 {
41 u32 temp;
42
43 temp = bdc_readl(bdc->regs, BDC_EPSTS0);
44 dev_vdbg(bdc->dev, "BDC_EPSTS0:0x%08x\n", temp);
45
46 temp = bdc_readl(bdc->regs, BDC_EPSTS1);
47 dev_vdbg(bdc->dev, "BDC_EPSTS1:0x%x\n", temp);
48
49 temp = bdc_readl(bdc->regs, BDC_EPSTS2);
50 dev_vdbg(bdc->dev, "BDC_EPSTS2:0x%08x\n", temp);
51
52 temp = bdc_readl(bdc->regs, BDC_EPSTS3);
53 dev_vdbg(bdc->dev, "BDC_EPSTS3:0x%08x\n", temp);
54
55 temp = bdc_readl(bdc->regs, BDC_EPSTS4);
56 dev_vdbg(bdc->dev, "BDC_EPSTS4:0x%08x\n", temp);
57
58 temp = bdc_readl(bdc->regs, BDC_EPSTS5);
59 dev_vdbg(bdc->dev, "BDC_EPSTS5:0x%08x\n", temp);
60
61 temp = bdc_readl(bdc->regs, BDC_EPSTS6);
62 dev_vdbg(bdc->dev, "BDC_EPSTS6:0x%08x\n", temp);
63
64 temp = bdc_readl(bdc->regs, BDC_EPSTS7);
65 dev_vdbg(bdc->dev, "BDC_EPSTS7:0x%08x\n", temp);
66 }
67
bdc_dbg_srr(struct bdc * bdc,u32 srr_num)68 void bdc_dbg_srr(struct bdc *bdc, u32 srr_num)
69 {
70 struct bdc_sr *sr;
71 dma_addr_t addr;
72 int i;
73
74 sr = bdc->srr.sr_bds;
75 addr = bdc->srr.dma_addr;
76 dev_vdbg(bdc->dev, "bdc_dbg_srr sr:%p dqp_index:%d\n",
77 sr, bdc->srr.dqp_index);
78 for (i = 0; i < NUM_SR_ENTRIES; i++) {
79 sr = &bdc->srr.sr_bds[i];
80 dev_vdbg(bdc->dev, "%llx %08x %08x %08x %08x\n",
81 (unsigned long long)addr,
82 le32_to_cpu(sr->offset[0]),
83 le32_to_cpu(sr->offset[1]),
84 le32_to_cpu(sr->offset[2]),
85 le32_to_cpu(sr->offset[3]));
86 addr += sizeof(*sr);
87 }
88 }
89
bdc_dbg_bd_list(struct bdc * bdc,struct bdc_ep * ep)90 void bdc_dbg_bd_list(struct bdc *bdc, struct bdc_ep *ep)
91 {
92 struct bd_list *bd_list = &ep->bd_list;
93 struct bd_table *bd_table;
94 struct bdc_bd *bd;
95 int tbi, bdi, gbdi;
96 dma_addr_t dma;
97
98 gbdi = 0;
99 dev_vdbg(bdc->dev,
100 "Dump bd list for %s epnum:%d\n",
101 ep->name, ep->ep_num);
102
103 dev_vdbg(bdc->dev,
104 "tabs:%d max_bdi:%d eqp_bdi:%d hwd_bdi:%d num_bds_table:%d\n",
105 bd_list->num_tabs, bd_list->max_bdi, bd_list->eqp_bdi,
106 bd_list->hwd_bdi, bd_list->num_bds_table);
107
108 for (tbi = 0; tbi < bd_list->num_tabs; tbi++) {
109 bd_table = bd_list->bd_table_array[tbi];
110 for (bdi = 0; bdi < bd_list->num_bds_table; bdi++) {
111 bd = bd_table->start_bd + bdi;
112 dma = bd_table->dma + (sizeof(struct bdc_bd) * bdi);
113 dev_vdbg(bdc->dev,
114 "tbi:%2d bdi:%2d gbdi:%2d virt:%p phys:%llx %08x %08x %08x %08x\n",
115 tbi, bdi, gbdi++, bd, (unsigned long long)dma,
116 le32_to_cpu(bd->offset[0]),
117 le32_to_cpu(bd->offset[1]),
118 le32_to_cpu(bd->offset[2]),
119 le32_to_cpu(bd->offset[3]));
120 }
121 dev_vdbg(bdc->dev, "\n\n");
122 }
123 }
124