mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-13 02:46:47 +07:00
usb: dwc2: debugfs: add support for complete register dump
Dump all registers to take a complete snapshot of dwc2 state. Code is inspired by dwc3/debugfs.c Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
parent
f91eea447a
commit
563cf017c4
@ -615,6 +615,7 @@ struct dwc2_hsotg {
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enum dwc2_lx_state lx_state;
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struct dentry *debug_root;
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struct debugfs_regset32 *regset;
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/* DWC OTG HW Release versions */
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#define DWC2_CORE_REV_2_71a 0x4f54271a
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@ -391,9 +391,344 @@ static inline void s3c_hsotg_create_debug(struct dwc2_hsotg *hsotg) {}
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/* s3c_hsotg_delete_debug is removed as cleanup in done in dwc2_debugfs_exit */
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#define dump_register(nm) \
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{ \
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.name = #nm, \
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.offset = nm, \
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}
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static const struct debugfs_reg32 dwc2_regs[] = {
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/*
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* Accessing registers like this can trigger mode mismatch interrupt.
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* However, according to dwc2 databook, the register access, in this
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* case, is completed on the processor bus but is ignored by the core
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* and does not affect its operation.
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*/
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dump_register(GOTGCTL),
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dump_register(GOTGINT),
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dump_register(GAHBCFG),
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dump_register(GUSBCFG),
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dump_register(GRSTCTL),
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dump_register(GINTSTS),
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dump_register(GINTMSK),
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dump_register(GRXSTSR),
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dump_register(GRXSTSP),
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dump_register(GRXFSIZ),
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dump_register(GNPTXFSIZ),
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dump_register(GNPTXSTS),
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dump_register(GI2CCTL),
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dump_register(GPVNDCTL),
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dump_register(GGPIO),
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dump_register(GUID),
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dump_register(GSNPSID),
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dump_register(GHWCFG1),
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dump_register(GHWCFG2),
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dump_register(GHWCFG3),
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dump_register(GHWCFG4),
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dump_register(GLPMCFG),
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dump_register(GPWRDN),
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dump_register(GDFIFOCFG),
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dump_register(ADPCTL),
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dump_register(HPTXFSIZ),
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dump_register(DPTXFSIZN(1)),
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dump_register(DPTXFSIZN(2)),
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dump_register(DPTXFSIZN(3)),
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dump_register(DPTXFSIZN(4)),
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dump_register(DPTXFSIZN(5)),
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dump_register(DPTXFSIZN(6)),
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dump_register(DPTXFSIZN(7)),
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dump_register(DPTXFSIZN(8)),
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dump_register(DPTXFSIZN(9)),
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dump_register(DPTXFSIZN(10)),
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dump_register(DPTXFSIZN(11)),
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dump_register(DPTXFSIZN(12)),
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dump_register(DPTXFSIZN(13)),
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dump_register(DPTXFSIZN(14)),
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dump_register(DPTXFSIZN(15)),
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dump_register(DCFG),
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dump_register(DCTL),
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dump_register(DSTS),
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dump_register(DIEPMSK),
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dump_register(DOEPMSK),
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dump_register(DAINT),
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dump_register(DAINTMSK),
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dump_register(DTKNQR1),
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dump_register(DTKNQR2),
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dump_register(DTKNQR3),
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dump_register(DTKNQR4),
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dump_register(DVBUSDIS),
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dump_register(DVBUSPULSE),
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dump_register(DIEPCTL(0)),
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dump_register(DIEPCTL(1)),
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dump_register(DIEPCTL(2)),
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dump_register(DIEPCTL(3)),
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dump_register(DIEPCTL(4)),
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dump_register(DIEPCTL(5)),
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dump_register(DIEPCTL(6)),
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dump_register(DIEPCTL(7)),
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dump_register(DIEPCTL(8)),
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dump_register(DIEPCTL(9)),
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dump_register(DIEPCTL(10)),
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dump_register(DIEPCTL(11)),
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dump_register(DIEPCTL(12)),
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dump_register(DIEPCTL(13)),
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dump_register(DIEPCTL(14)),
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dump_register(DIEPCTL(15)),
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dump_register(DOEPCTL(0)),
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dump_register(DOEPCTL(1)),
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dump_register(DOEPCTL(2)),
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dump_register(DOEPCTL(3)),
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dump_register(DOEPCTL(4)),
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dump_register(DOEPCTL(5)),
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dump_register(DOEPCTL(6)),
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dump_register(DOEPCTL(7)),
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dump_register(DOEPCTL(8)),
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dump_register(DOEPCTL(9)),
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dump_register(DOEPCTL(10)),
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dump_register(DOEPCTL(11)),
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dump_register(DOEPCTL(12)),
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dump_register(DOEPCTL(13)),
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dump_register(DOEPCTL(14)),
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dump_register(DOEPCTL(15)),
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dump_register(DIEPINT(0)),
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dump_register(DIEPINT(1)),
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dump_register(DIEPINT(2)),
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dump_register(DIEPINT(3)),
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dump_register(DIEPINT(4)),
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dump_register(DIEPINT(5)),
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dump_register(DIEPINT(6)),
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dump_register(DIEPINT(7)),
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dump_register(DIEPINT(8)),
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dump_register(DIEPINT(9)),
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dump_register(DIEPINT(10)),
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dump_register(DIEPINT(11)),
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dump_register(DIEPINT(12)),
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dump_register(DIEPINT(13)),
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dump_register(DIEPINT(14)),
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dump_register(DIEPINT(15)),
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dump_register(DOEPINT(0)),
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dump_register(DOEPINT(1)),
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dump_register(DOEPINT(2)),
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dump_register(DOEPINT(3)),
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dump_register(DOEPINT(4)),
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dump_register(DOEPINT(5)),
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dump_register(DOEPINT(6)),
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dump_register(DOEPINT(7)),
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dump_register(DOEPINT(8)),
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dump_register(DOEPINT(9)),
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dump_register(DOEPINT(10)),
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dump_register(DOEPINT(11)),
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dump_register(DOEPINT(12)),
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dump_register(DOEPINT(13)),
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dump_register(DOEPINT(14)),
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dump_register(DOEPINT(15)),
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dump_register(DIEPTSIZ(0)),
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dump_register(DIEPTSIZ(1)),
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dump_register(DIEPTSIZ(2)),
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dump_register(DIEPTSIZ(3)),
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dump_register(DIEPTSIZ(4)),
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dump_register(DIEPTSIZ(5)),
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dump_register(DIEPTSIZ(6)),
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dump_register(DIEPTSIZ(7)),
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dump_register(DIEPTSIZ(8)),
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dump_register(DIEPTSIZ(9)),
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dump_register(DIEPTSIZ(10)),
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dump_register(DIEPTSIZ(11)),
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dump_register(DIEPTSIZ(12)),
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dump_register(DIEPTSIZ(13)),
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dump_register(DIEPTSIZ(14)),
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dump_register(DIEPTSIZ(15)),
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dump_register(DOEPTSIZ(0)),
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dump_register(DOEPTSIZ(1)),
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dump_register(DOEPTSIZ(2)),
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dump_register(DOEPTSIZ(3)),
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dump_register(DOEPTSIZ(4)),
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dump_register(DOEPTSIZ(5)),
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dump_register(DOEPTSIZ(6)),
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dump_register(DOEPTSIZ(7)),
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dump_register(DOEPTSIZ(8)),
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dump_register(DOEPTSIZ(9)),
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dump_register(DOEPTSIZ(10)),
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dump_register(DOEPTSIZ(11)),
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dump_register(DOEPTSIZ(12)),
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dump_register(DOEPTSIZ(13)),
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dump_register(DOEPTSIZ(14)),
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dump_register(DOEPTSIZ(15)),
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dump_register(DIEPDMA(0)),
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dump_register(DIEPDMA(1)),
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dump_register(DIEPDMA(2)),
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dump_register(DIEPDMA(3)),
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dump_register(DIEPDMA(4)),
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dump_register(DIEPDMA(5)),
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dump_register(DIEPDMA(6)),
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dump_register(DIEPDMA(7)),
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dump_register(DIEPDMA(8)),
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dump_register(DIEPDMA(9)),
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dump_register(DIEPDMA(10)),
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dump_register(DIEPDMA(11)),
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dump_register(DIEPDMA(12)),
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dump_register(DIEPDMA(13)),
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dump_register(DIEPDMA(14)),
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dump_register(DIEPDMA(15)),
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dump_register(DOEPDMA(0)),
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dump_register(DOEPDMA(1)),
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dump_register(DOEPDMA(2)),
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dump_register(DOEPDMA(3)),
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dump_register(DOEPDMA(4)),
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dump_register(DOEPDMA(5)),
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dump_register(DOEPDMA(6)),
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dump_register(DOEPDMA(7)),
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dump_register(DOEPDMA(8)),
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dump_register(DOEPDMA(9)),
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dump_register(DOEPDMA(10)),
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dump_register(DOEPDMA(11)),
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dump_register(DOEPDMA(12)),
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dump_register(DOEPDMA(13)),
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dump_register(DOEPDMA(14)),
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dump_register(DOEPDMA(15)),
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dump_register(DTXFSTS(0)),
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dump_register(DTXFSTS(1)),
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dump_register(DTXFSTS(2)),
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dump_register(DTXFSTS(3)),
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dump_register(DTXFSTS(4)),
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dump_register(DTXFSTS(5)),
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dump_register(DTXFSTS(6)),
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dump_register(DTXFSTS(7)),
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dump_register(DTXFSTS(8)),
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dump_register(DTXFSTS(9)),
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dump_register(DTXFSTS(10)),
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dump_register(DTXFSTS(11)),
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dump_register(DTXFSTS(12)),
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dump_register(DTXFSTS(13)),
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dump_register(DTXFSTS(14)),
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dump_register(DTXFSTS(15)),
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dump_register(PCGCTL),
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dump_register(HCFG),
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dump_register(HFIR),
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dump_register(HFNUM),
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dump_register(HPTXSTS),
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dump_register(HAINT),
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dump_register(HAINTMSK),
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dump_register(HFLBADDR),
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dump_register(HPRT0),
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dump_register(HCCHAR(0)),
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dump_register(HCCHAR(1)),
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dump_register(HCCHAR(2)),
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dump_register(HCCHAR(3)),
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dump_register(HCCHAR(4)),
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dump_register(HCCHAR(5)),
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dump_register(HCCHAR(6)),
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dump_register(HCCHAR(7)),
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dump_register(HCCHAR(8)),
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dump_register(HCCHAR(9)),
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dump_register(HCCHAR(10)),
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dump_register(HCCHAR(11)),
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dump_register(HCCHAR(12)),
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dump_register(HCCHAR(13)),
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dump_register(HCCHAR(14)),
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dump_register(HCCHAR(15)),
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dump_register(HCSPLT(0)),
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dump_register(HCSPLT(1)),
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dump_register(HCSPLT(2)),
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dump_register(HCSPLT(3)),
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dump_register(HCSPLT(4)),
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dump_register(HCSPLT(5)),
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dump_register(HCSPLT(6)),
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dump_register(HCSPLT(7)),
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dump_register(HCSPLT(8)),
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dump_register(HCSPLT(9)),
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dump_register(HCSPLT(10)),
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dump_register(HCSPLT(11)),
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dump_register(HCSPLT(12)),
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dump_register(HCSPLT(13)),
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dump_register(HCSPLT(14)),
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dump_register(HCSPLT(15)),
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dump_register(HCINT(0)),
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dump_register(HCINT(1)),
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dump_register(HCINT(2)),
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dump_register(HCINT(3)),
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dump_register(HCINT(4)),
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dump_register(HCINT(5)),
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dump_register(HCINT(6)),
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dump_register(HCINT(7)),
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dump_register(HCINT(8)),
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dump_register(HCINT(9)),
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dump_register(HCINT(10)),
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dump_register(HCINT(11)),
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dump_register(HCINT(12)),
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dump_register(HCINT(13)),
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dump_register(HCINT(14)),
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dump_register(HCINT(15)),
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dump_register(HCINTMSK(0)),
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dump_register(HCINTMSK(1)),
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dump_register(HCINTMSK(2)),
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dump_register(HCINTMSK(3)),
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dump_register(HCINTMSK(4)),
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dump_register(HCINTMSK(5)),
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dump_register(HCINTMSK(6)),
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dump_register(HCINTMSK(7)),
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dump_register(HCINTMSK(8)),
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dump_register(HCINTMSK(9)),
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dump_register(HCINTMSK(10)),
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dump_register(HCINTMSK(11)),
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dump_register(HCINTMSK(12)),
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dump_register(HCINTMSK(13)),
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dump_register(HCINTMSK(14)),
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dump_register(HCINTMSK(15)),
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dump_register(HCTSIZ(0)),
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dump_register(HCTSIZ(1)),
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dump_register(HCTSIZ(2)),
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dump_register(HCTSIZ(3)),
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dump_register(HCTSIZ(4)),
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dump_register(HCTSIZ(5)),
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dump_register(HCTSIZ(6)),
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dump_register(HCTSIZ(7)),
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dump_register(HCTSIZ(8)),
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dump_register(HCTSIZ(9)),
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dump_register(HCTSIZ(10)),
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dump_register(HCTSIZ(11)),
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dump_register(HCTSIZ(12)),
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dump_register(HCTSIZ(13)),
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dump_register(HCTSIZ(14)),
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dump_register(HCTSIZ(15)),
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dump_register(HCDMA(0)),
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dump_register(HCDMA(1)),
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dump_register(HCDMA(2)),
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dump_register(HCDMA(3)),
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dump_register(HCDMA(4)),
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dump_register(HCDMA(5)),
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dump_register(HCDMA(6)),
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dump_register(HCDMA(7)),
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dump_register(HCDMA(8)),
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dump_register(HCDMA(9)),
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dump_register(HCDMA(10)),
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dump_register(HCDMA(11)),
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dump_register(HCDMA(12)),
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dump_register(HCDMA(13)),
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dump_register(HCDMA(14)),
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dump_register(HCDMA(15)),
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dump_register(HCDMAB(0)),
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dump_register(HCDMAB(1)),
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dump_register(HCDMAB(2)),
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dump_register(HCDMAB(3)),
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dump_register(HCDMAB(4)),
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dump_register(HCDMAB(5)),
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dump_register(HCDMAB(6)),
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dump_register(HCDMAB(7)),
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dump_register(HCDMAB(8)),
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dump_register(HCDMAB(9)),
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dump_register(HCDMAB(10)),
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dump_register(HCDMAB(11)),
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dump_register(HCDMAB(12)),
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dump_register(HCDMAB(13)),
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dump_register(HCDMAB(14)),
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dump_register(HCDMAB(15)),
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};
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int dwc2_debugfs_init(struct dwc2_hsotg *hsotg)
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{
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int ret;
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struct dentry *file;
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hsotg->debug_root = debugfs_create_dir(dev_name(hsotg->dev), NULL);
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if (!hsotg->debug_root) {
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@ -403,6 +738,28 @@ int dwc2_debugfs_init(struct dwc2_hsotg *hsotg)
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/* Add gadget debugfs nodes */
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s3c_hsotg_create_debug(hsotg);
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hsotg->regset = devm_kzalloc(hsotg->dev, sizeof(*hsotg->regset),
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GFP_KERNEL);
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if (!hsotg->regset) {
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ret = -ENOMEM;
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goto err1;
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}
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hsotg->regset->regs = dwc2_regs;
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hsotg->regset->nregs = ARRAY_SIZE(dwc2_regs);
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hsotg->regset->base = hsotg->regs;
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file = debugfs_create_regset32("regdump", S_IRUGO, hsotg->debug_root,
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hsotg->regset);
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if (!file) {
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ret = -ENOMEM;
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goto err1;
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}
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return 0;
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err1:
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debugfs_remove_recursive(hsotg->debug_root);
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err0:
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return ret;
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}
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