From: Christian Mauderer <christian.maude...@embedded-brains.de>
---
freebsd/sys/arm/ti/cpsw/if_cpsw.c | 21 +++++++++++++++++++++
libbsd.py | 3 +++
rtemsbsd/include/bsp/nexus-devices.h | 2 ++
rtemsbsd/include/rtems/bsd/local/opt_cpsw.h | 0
4 files changed, 26 insertions(+)
create mode 100644 rtemsbsd/include/rtems/bsd/local/opt_cpsw.h
diff --git a/freebsd/sys/arm/ti/cpsw/if_cpsw.c
b/freebsd/sys/arm/ti/cpsw/if_cpsw.c
index bd996f6d..1fbda688 100644
--- a/freebsd/sys/arm/ti/cpsw/if_cpsw.c
+++ b/freebsd/sys/arm/ti/cpsw/if_cpsw.c
@@ -375,6 +375,11 @@ cpsw_debugf(const char *fmt, ...)
#define cpsw_cpdma_bd_offset(i) (CPSW_CPPI_RAM_OFFSET + ((i)*16))
+#ifdef __rtems__
+/* Missing in the bus.h provided by rtems. */
+#define BUS_SPACE_PHYSADDR(res, offs) \
+ ((u_int)(rman_get_start(res)+(offs)))
+#endif /* __rtems__ */
#define cpsw_cpdma_bd_paddr(sc, slot)
\
BUS_SPACE_PHYSADDR(sc->mem_res, slot->bd_offset)
#define cpsw_cpdma_read_bd(sc, slot, val)
\
@@ -1751,7 +1756,9 @@ cpsw_rx_enqueue(struct cpsw_softc *sc)
break;
}
+#ifndef __rtems__
bus_dmamap_sync(sc->mbuf_dtag, slot->dmamap,
BUS_DMASYNC_PREREAD);
+#endif /* __rtems__ */
/* Create and submit new rx descriptor. */
if ((next = STAILQ_NEXT(slot, next)) != NULL)
@@ -1763,6 +1770,10 @@ cpsw_rx_enqueue(struct cpsw_softc *sc)
bd.buflen = MCLBYTES - 1;
bd.pktlen = bd.buflen;
bd.flags = CPDMA_BD_OWNER;
+#ifdef __rtems__
+ rtems_cache_invalidate_multiple_data_lines(
+ seg->ds_addr, bd.buflen);
+#endif /* __rtems__ */
cpsw_cpdma_write_bd(sc, slot, &bd);
++added;
@@ -1876,8 +1887,10 @@ cpswp_tx_enqueue(struct cpswp_softc *sc)
break;
}
+#ifndef __rtems__
bus_dmamap_sync(sc->swsc->mbuf_dtag, slot->dmamap,
BUS_DMASYNC_PREWRITE);
+#endif /* __rtems__ */
CPSW_DEBUGF(sc->swsc,
("Queueing TX packet: %d segments + %d pad bytes",
@@ -1910,6 +1923,10 @@ cpswp_tx_enqueue(struct cpswp_softc *sc)
bd.flags |= CPDMA_BD_TO_PORT;
bd.flags |= ((sc->unit + 1) & CPDMA_BD_PORT_MASK);
}
+#ifdef __rtems__
+ rtems_cache_flush_multiple_data_lines((void *)segs[0].ds_addr,
+ segs[0].ds_len);
+#endif /* __rtems__ */
for (seg = 1; seg < nsegs; ++seg) {
/* Save the previous buffer (which isn't EOP) */
cpsw_cpdma_write_bd(sc->swsc, slot, &bd);
@@ -1928,6 +1945,10 @@ cpswp_tx_enqueue(struct cpswp_softc *sc)
bd.buflen = segs[seg].ds_len;
bd.pktlen = 0;
bd.flags = CPDMA_BD_OWNER;
+#ifdef __rtems__
+ rtems_cache_flush_multiple_data_lines(
+ (void *)segs[seg].ds_addr, segs[seg].ds_len);
+#endif /* __rtems__ */
}
/* Save the final buffer. */
diff --git a/libbsd.py b/libbsd.py
index ca90f76d..021763cc 100644
--- a/libbsd.py
+++ b/libbsd.py
@@ -1335,6 +1335,8 @@ class dev_net(builder.Module):
mm = self.manager
self.addKernelSpaceHeaderFiles(
[
+ 'sys/arm/ti/cpsw/if_cpswreg.h',
+ 'sys/arm/ti/cpsw/if_cpswvar.h',
'sys/arm/xilinx/zy7_slcr.h',
'sys/dev/cadence/if_cgem_hw.h',
'sys/dev/dwc/if_dwc.h',
@@ -1367,6 +1369,7 @@ class dev_net(builder.Module):
)
self.addKernelSpaceSourceFiles(
[
+ 'sys/arm/ti/cpsw/if_cpsw.c',
'sys/dev/ffec/if_ffec.c',
'sys/dev/mii/mii.c',
'sys/dev/mii/mii_bitbang.c',
diff --git a/rtemsbsd/include/bsp/nexus-devices.h
b/rtemsbsd/include/bsp/nexus-devices.h
index 034e408a..a916c664 100644
--- a/rtemsbsd/include/bsp/nexus-devices.h
+++ b/rtemsbsd/include/bsp/nexus-devices.h
@@ -59,6 +59,8 @@ SYSINIT_DRIVER_REFERENCE(usbss, simplebus);
SYSINIT_DRIVER_REFERENCE(musbotg, usbss);
SYSINIT_DRIVER_REFERENCE(sdhci_ti, simplebus);
SYSINIT_DRIVER_REFERENCE(mmcsd, mmc);
+SYSINIT_DRIVER_REFERENCE(cpsw, cpswss);
+SYSINIT_DRIVER_REFERENCE(ukphy, miibus);
#ifdef RTEMS_BSD_MODULE_NET80211
SYSINIT_DRIVER_REFERENCE(rtwn_usb, uhub);
SYSINIT_MODULE_REFERENCE(wlan_ratectl_none);
diff --git a/rtemsbsd/include/rtems/bsd/local/opt_cpsw.h
b/rtemsbsd/include/rtems/bsd/local/opt_cpsw.h
new file mode 100644
index 00000000..e69de29b
--
2.20.1
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