cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bdc_dbg.c (3302B)


      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
     13void 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
     34void 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
     63void 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, "%s sr:%p dqp_index:%d\n", __func__,
     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
     85void 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}