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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/usb/gadget/udc/bdc/bdc_dbg.c
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/usb/gadget/udc/bdc/bdc_dbg.c')
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_dbg.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc/bdc/bdc_dbg.c b/drivers/usb/gadget/udc/bdc/bdc_dbg.c
new file mode 100644
index 000000000..9c03e1330
--- /dev/null
+++ b/drivers/usb/gadget/udc/bdc/bdc_dbg.c
@@ -0,0 +1,118 @@
+// 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, "%s sr:%p dqp_index:%d\n", __func__,
+ 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");
+ }
+}