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Thu, 5 Oct 2023 15:34:57 GMT (envelope-from git) Date: Thu, 5 Oct 2023 15:34:57 GMT Message-Id: <202310051534.395FYvt6012150@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Emmanuel Vadot Subject: git: f4bb6ea5212b - main - dwc: Add support for mixed-burst List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: manu X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: f4bb6ea5212b05445e1e7f01d9023714c83344cb Auto-Submitted: auto-generated The branch main has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=f4bb6ea5212b05445e1e7f01d9023714c83344cb commit f4bb6ea5212b05445e1e7f01d9023714c83344cb Author: Emmanuel Vadot AuthorDate: 2023-09-23 16:52:29 +0000 Commit: Emmanuel Vadot CommitDate: 2023-10-05 15:34:38 +0000 dwc: Add support for mixed-burst snps,mixed-burst is used to indicate that the DMA engine should use mixed-burst mode. --- sys/dev/dwc/if_dwc.c | 5 +++++ sys/dev/dwc/if_dwc.h | 1 + 2 files changed, 6 insertions(+) diff --git a/sys/dev/dwc/if_dwc.c b/sys/dev/dwc/if_dwc.c index 6ef9fb8513af..7acb70457a24 100644 --- a/sys/dev/dwc/if_dwc.c +++ b/sys/dev/dwc/if_dwc.c @@ -1609,6 +1609,7 @@ dwc_attach(device_t dev) uint32_t txpbl, rxpbl, pbl; bool nopblx8 = false; bool fixed_burst = false; + bool mixed_burst = false; sc = device_get_softc(dev); sc->dev = dev; @@ -1647,6 +1648,8 @@ dwc_attach(device_t dev) nopblx8 = true; if (OF_hasprop(sc->node, "snps,fixed-burst") == 1) fixed_burst = true; + if (OF_hasprop(sc->node, "snps,mixed-burst") == 1) + mixed_burst = true; if (IF_DWC_INIT(dev) != 0) return (ENXIO); @@ -1692,6 +1695,8 @@ dwc_attach(device_t dev) reg |= (rxpbl << BUS_MODE_RPBL_SHIFT); if (fixed_burst) reg |= BUS_MODE_FIXEDBURST; + if (mixed_burst) + reg |= BUS_MODE_MIXEDBURST; WRITE4(sc, BUS_MODE, reg); diff --git a/sys/dev/dwc/if_dwc.h b/sys/dev/dwc/if_dwc.h index 5397b5801596..113477818e4b 100644 --- a/sys/dev/dwc/if_dwc.h +++ b/sys/dev/dwc/if_dwc.h @@ -219,6 +219,7 @@ /* DMA */ #define BUS_MODE 0x1000 +#define BUS_MODE_MIXEDBURST (1 << 26) #define BUS_MODE_EIGHTXPBL (1 << 24) /* Multiplies PBL by 8 */ #define BUS_MODE_USP (1 << 23) #define BUS_MODE_RPBL_SHIFT 17 /* Single block transfer size */