linux/drivers/usb/gadget/udc/bdc/bdc_dbg.c

119 lines
3.2 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* bdc_dbg.c - BRCM BDC USB3.0 device controller debug functions
*
* Copyright (C) 2014 Broadcom Corporation
*
* Author: Ashwini Pahuja
*/
#include "bdc.h"
#include "bdc_dbg.h"
void bdc_dbg_regs(struct bdc *bdc)
{
u32 temp;
dev_vdbg(bdc->dev, "bdc->regs:%p\n", bdc->regs);
temp = bdc_readl(bdc->regs, BDC_BDCCFG0);
dev_vdbg(bdc->dev, "bdccfg0:0x%08x\n", temp);
temp = bdc_readl(bdc->regs, BDC_BDCCFG1);
dev_vdbg(bdc->dev, "bdccfg1:0x%08x\n", temp);
temp = bdc_readl(bdc->regs, BDC_BDCCAP0);
dev_vdbg(bdc->dev, "bdccap0:0x%08x\n", temp);
temp = bdc_readl(bdc->regs, BDC_BDCCAP1);
dev_vdbg(bdc->dev, "bdccap1:0x%08x\n", temp);
temp = bdc_readl(bdc->regs, BDC_USPC);
dev_vdbg(bdc->dev, "uspc:0x%08x\n", temp);
temp = bdc_readl(bdc->regs, BDC_DVCSA);
dev_vdbg(bdc->dev, "dvcsa:0x%08x\n", temp);
temp = bdc_readl(bdc->regs, BDC_DVCSB);
dev_vdbg(bdc->dev, "dvcsb:0x%x08\n", temp);
}
void bdc_dump_epsts(struct bdc *bdc)
{
u32 temp;
temp = bdc_readl(bdc->regs, BDC_EPSTS0);
dev_vdbg(bdc->dev, "BDC_EPSTS0:0x%08x\n", temp);
temp = bdc_readl(bdc->regs, BDC_EPSTS1);
dev_vdbg(bdc->dev, "BDC_EPSTS1:0x%x\n", temp);
temp = bdc_readl(bdc->regs, BDC_EPSTS2);
dev_vdbg(bdc->dev, "BDC_EPSTS2:0x%08x\n", temp);
temp = bdc_readl(bdc->regs, BDC_EPSTS3);
dev_vdbg(bdc->dev, "BDC_EPSTS3:0x%08x\n", temp);
temp = bdc_readl(bdc->regs, BDC_EPSTS4);
dev_vdbg(bdc->dev, "BDC_EPSTS4:0x%08x\n", temp);
temp = bdc_readl(bdc->regs, BDC_EPSTS5);
dev_vdbg(bdc->dev, "BDC_EPSTS5:0x%08x\n", temp);
temp = bdc_readl(bdc->regs, BDC_EPSTS6);
dev_vdbg(bdc->dev, "BDC_EPSTS6:0x%08x\n", temp);
temp = bdc_readl(bdc->regs, BDC_EPSTS7);
dev_vdbg(bdc->dev, "BDC_EPSTS7:0x%08x\n", temp);
}
void bdc_dbg_srr(struct bdc *bdc, u32 srr_num)
{
struct bdc_sr *sr;
dma_addr_t addr;
int i;
sr = bdc->srr.sr_bds;
addr = bdc->srr.dma_addr;
dev_vdbg(bdc->dev, "bdc_dbg_srr sr:%p dqp_index:%d\n",
sr, bdc->srr.dqp_index);
for (i = 0; i < NUM_SR_ENTRIES; i++) {
sr = &bdc->srr.sr_bds[i];
dev_vdbg(bdc->dev, "%llx %08x %08x %08x %08x\n",
(unsigned long long)addr,
le32_to_cpu(sr->offset[0]),
le32_to_cpu(sr->offset[1]),
le32_to_cpu(sr->offset[2]),
le32_to_cpu(sr->offset[3]));
addr += sizeof(*sr);
}
}
void bdc_dbg_bd_list(struct bdc *bdc, struct bdc_ep *ep)
{
struct bd_list *bd_list = &ep->bd_list;
struct bd_table *bd_table;
struct bdc_bd *bd;
int tbi, bdi, gbdi;
dma_addr_t dma;
gbdi = 0;
dev_vdbg(bdc->dev,
"Dump bd list for %s epnum:%d\n",
ep->name, ep->ep_num);
dev_vdbg(bdc->dev,
"tabs:%d max_bdi:%d eqp_bdi:%d hwd_bdi:%d num_bds_table:%d\n",
bd_list->num_tabs, bd_list->max_bdi, bd_list->eqp_bdi,
bd_list->hwd_bdi, bd_list->num_bds_table);
for (tbi = 0; tbi < bd_list->num_tabs; tbi++) {
bd_table = bd_list->bd_table_array[tbi];
for (bdi = 0; bdi < bd_list->num_bds_table; bdi++) {
bd = bd_table->start_bd + bdi;
dma = bd_table->dma + (sizeof(struct bdc_bd) * bdi);
dev_vdbg(bdc->dev,
"tbi:%2d bdi:%2d gbdi:%2d virt:%p phys:%llx %08x %08x %08x %08x\n",
tbi, bdi, gbdi++, bd, (unsigned long long)dma,
le32_to_cpu(bd->offset[0]),
le32_to_cpu(bd->offset[1]),
le32_to_cpu(bd->offset[2]),
le32_to_cpu(bd->offset[3]));
}
dev_vdbg(bdc->dev, "\n\n");
}
}