diff --git a/sys/dev/dwc/if_dwc.c b/sys/dev/dwc/if_dwc.c index 7bbfac512996..ee871c268ea6 100644 --- a/sys/dev/dwc/if_dwc.c +++ b/sys/dev/dwc/if_dwc.c @@ -1496,7 +1496,7 @@ dwc_attach(device_t dev) uint32_t reg; char *phy_mode; phandle_t node; - uint32_t txpbl, rxpbl; + uint32_t txpbl, rxpbl, pbl; bool nopblx8 = false; bool fixed_burst = false; @@ -1516,10 +1516,12 @@ dwc_attach(device_t dev) OF_prop_free(phy_mode); } + if (OF_getencprop(node, "snps,pbl", &pbl, sizeof(uint32_t)) <= 0) + pbl = BUS_MODE_DEFAULT_PBL; if (OF_getencprop(node, "snps,txpbl", &txpbl, sizeof(uint32_t)) <= 0) - txpbl = 8; + txpbl = pbl; if (OF_getencprop(node, "snps,rxpbl", &rxpbl, sizeof(uint32_t)) <= 0) - rxpbl = 8; + rxpbl = pbl; if (OF_hasprop(node, "snps,no-pbl-x8") == 1) nopblx8 = true; if (OF_hasprop(node, "snps,fixed-burst") == 1) @@ -1569,6 +1571,7 @@ dwc_attach(device_t dev) reg |= (rxpbl << BUS_MODE_RPBL_SHIFT); if (fixed_burst) reg |= BUS_MODE_FIXEDBURST; + WRITE4(sc, BUS_MODE, reg); /* diff --git a/sys/dev/dwc/if_dwc.h b/sys/dev/dwc/if_dwc.h index d0ba813af8c0..d475974fcff9 100644 --- a/sys/dev/dwc/if_dwc.h +++ b/sys/dev/dwc/if_dwc.h @@ -229,8 +229,8 @@ #define BUS_MODE_PRIORXTX_21 1 #define BUS_MODE_PRIORXTX_11 0 #define BUS_MODE_PBL_SHIFT 8 /* Single block transfer size */ -#define BUS_MODE_PBL_BEATS_8 8 #define BUS_MODE_SWR (1 << 0) /* Reset */ +#define BUS_MODE_DEFAULT_PBL 8 #define TRANSMIT_POLL_DEMAND 0x1004 #define RECEIVE_POLL_DEMAND 0x1008 #define RX_DESCR_LIST_ADDR 0x100C