1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * bdc_dbg.c - BRCM BDC USB3.0 device controller debug functions 4 * 5 * Copyright (C) 2014 Broadcom Corporation 6 * 7 * Author: Ashwini Pahuja 8 */ 9 10 #include "bdc.h" 11 #include "bdc_dbg.h" 12 13 void bdc_dbg_regs(struct bdc *bdc) 14 { 15 u32 temp; 16 17 dev_vdbg(bdc->dev, "bdc->regs:%p\n", bdc->regs); 18 temp = bdc_readl(bdc->regs, BDC_BDCCFG0); 19 dev_vdbg(bdc->dev, "bdccfg0:0x%08x\n", temp); 20 temp = bdc_readl(bdc->regs, BDC_BDCCFG1); 21 dev_vdbg(bdc->dev, "bdccfg1:0x%08x\n", temp); 22 temp = bdc_readl(bdc->regs, BDC_BDCCAP0); 23 dev_vdbg(bdc->dev, "bdccap0:0x%08x\n", temp); 24 temp = bdc_readl(bdc->regs, BDC_BDCCAP1); 25 dev_vdbg(bdc->dev, "bdccap1:0x%08x\n", temp); 26 temp = bdc_readl(bdc->regs, BDC_USPC); 27 dev_vdbg(bdc->dev, "uspc:0x%08x\n", temp); 28 temp = bdc_readl(bdc->regs, BDC_DVCSA); 29 dev_vdbg(bdc->dev, "dvcsa:0x%08x\n", temp); 30 temp = bdc_readl(bdc->regs, BDC_DVCSB); 31 dev_vdbg(bdc->dev, "dvcsb:0x%x08\n", temp); 32 } 33 34 void bdc_dump_epsts(struct bdc *bdc) 35 { 36 u32 temp; 37 38 temp = bdc_readl(bdc->regs, BDC_EPSTS0); 39 dev_vdbg(bdc->dev, "BDC_EPSTS0:0x%08x\n", temp); 40 41 temp = bdc_readl(bdc->regs, BDC_EPSTS1); 42 dev_vdbg(bdc->dev, "BDC_EPSTS1:0x%x\n", temp); 43 44 temp = bdc_readl(bdc->regs, BDC_EPSTS2); 45 dev_vdbg(bdc->dev, "BDC_EPSTS2:0x%08x\n", temp); 46 47 temp = bdc_readl(bdc->regs, BDC_EPSTS3); 48 dev_vdbg(bdc->dev, "BDC_EPSTS3:0x%08x\n", temp); 49 50 temp = bdc_readl(bdc->regs, BDC_EPSTS4); 51 dev_vdbg(bdc->dev, "BDC_EPSTS4:0x%08x\n", temp); 52 53 temp = bdc_readl(bdc->regs, BDC_EPSTS5); 54 dev_vdbg(bdc->dev, "BDC_EPSTS5:0x%08x\n", temp); 55 56 temp = bdc_readl(bdc->regs, BDC_EPSTS6); 57 dev_vdbg(bdc->dev, "BDC_EPSTS6:0x%08x\n", temp); 58 59 temp = bdc_readl(bdc->regs, BDC_EPSTS7); 60 dev_vdbg(bdc->dev, "BDC_EPSTS7:0x%08x\n", temp); 61 } 62 63 void bdc_dbg_srr(struct bdc *bdc, u32 srr_num) 64 { 65 struct bdc_sr *sr; 66 dma_addr_t addr; 67 int i; 68 69 sr = bdc->srr.sr_bds; 70 addr = bdc->srr.dma_addr; 71 dev_vdbg(bdc->dev, "bdc_dbg_srr sr:%p dqp_index:%d\n", 72 sr, bdc->srr.dqp_index); 73 for (i = 0; i < NUM_SR_ENTRIES; i++) { 74 sr = &bdc->srr.sr_bds[i]; 75 dev_vdbg(bdc->dev, "%llx %08x %08x %08x %08x\n", 76 (unsigned long long)addr, 77 le32_to_cpu(sr->offset[0]), 78 le32_to_cpu(sr->offset[1]), 79 le32_to_cpu(sr->offset[2]), 80 le32_to_cpu(sr->offset[3])); 81 addr += sizeof(*sr); 82 } 83 } 84 85 void bdc_dbg_bd_list(struct bdc *bdc, struct bdc_ep *ep) 86 { 87 struct bd_list *bd_list = &ep->bd_list; 88 struct bd_table *bd_table; 89 struct bdc_bd *bd; 90 int tbi, bdi, gbdi; 91 dma_addr_t dma; 92 93 gbdi = 0; 94 dev_vdbg(bdc->dev, 95 "Dump bd list for %s epnum:%d\n", 96 ep->name, ep->ep_num); 97 98 dev_vdbg(bdc->dev, 99 "tabs:%d max_bdi:%d eqp_bdi:%d hwd_bdi:%d num_bds_table:%d\n", 100 bd_list->num_tabs, bd_list->max_bdi, bd_list->eqp_bdi, 101 bd_list->hwd_bdi, bd_list->num_bds_table); 102 103 for (tbi = 0; tbi < bd_list->num_tabs; tbi++) { 104 bd_table = bd_list->bd_table_array[tbi]; 105 for (bdi = 0; bdi < bd_list->num_bds_table; bdi++) { 106 bd = bd_table->start_bd + bdi; 107 dma = bd_table->dma + (sizeof(struct bdc_bd) * bdi); 108 dev_vdbg(bdc->dev, 109 "tbi:%2d bdi:%2d gbdi:%2d virt:%p phys:%llx %08x %08x %08x %08x\n", 110 tbi, bdi, gbdi++, bd, (unsigned long long)dma, 111 le32_to_cpu(bd->offset[0]), 112 le32_to_cpu(bd->offset[1]), 113 le32_to_cpu(bd->offset[2]), 114 le32_to_cpu(bd->offset[3])); 115 } 116 dev_vdbg(bdc->dev, "\n\n"); 117 } 118 } 119