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-rw-r--r--sys/dev/pci/hifn7751.c127
1 files changed, 88 insertions, 39 deletions
diff --git a/sys/dev/pci/hifn7751.c b/sys/dev/pci/hifn7751.c
index cc0cf7bbcde..0812473e13d 100644
--- a/sys/dev/pci/hifn7751.c
+++ b/sys/dev/pci/hifn7751.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: hifn7751.c,v 1.83 2001/07/08 18:05:41 brad Exp $ */
+/* $OpenBSD: hifn7751.c,v 1.84 2001/07/16 05:02:10 jason Exp $ */
/*
* Invertex AEON / Hifn 7751 driver
@@ -79,12 +79,13 @@ struct cfdriver hifn_cd = {
};
void hifn_reset_board __P((struct hifn_softc *));
+void hifn_reset_puc __P((struct hifn_softc *));
int hifn_enable_crypto __P((struct hifn_softc *, pcireg_t));
void hifn_init_dma __P((struct hifn_softc *));
void hifn_init_pci_registers __P((struct hifn_softc *));
int hifn_sramsize __P((struct hifn_softc *));
int hifn_dramsize __P((struct hifn_softc *));
-void hifn_ramtype __P((struct hifn_softc *));
+int hifn_ramtype __P((struct hifn_softc *));
void hifn_sessions __P((struct hifn_softc *));
int hifn_intr __P((void *));
u_int hifn_write_command __P((struct hifn_command *, u_int8_t *));
@@ -219,6 +220,7 @@ hifn_attach(parent, self, aux)
printf("%s: crypto enabling failed\n", sc->sc_dv.dv_xname);
goto fail_mem;
}
+ hifn_reset_puc(sc);
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_HIFN &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_HIFN_7951)
@@ -227,7 +229,8 @@ hifn_attach(parent, self, aux)
hifn_init_dma(sc);
hifn_init_pci_registers(sc);
- hifn_ramtype(sc);
+ if (hifn_ramtype(sc))
+ goto fail_mem;
if (sc->sc_drammodel == 0)
hifn_sramsize(sc);
@@ -317,6 +320,11 @@ fail_mem:
bus_dmamem_free(sc->sc_dmat, sc->sc_dmamap->dm_segs,
sc->sc_dmamap->dm_nsegs);
bus_dmamap_destroy(sc->sc_dmat, sc->sc_dmamap);
+
+ /* Turn off DMA polling */
+ WRITE_REG_1(sc, HIFN_1_DMA_CNFG, HIFN_DMACNFG_MSTRESET |
+ HIFN_DMACNFG_DMARESET | HIFN_DMACNFG_MODE);
+
fail_io1:
bus_space_unmap(sc->sc_st1, sc->sc_sh1, iosize1);
fail_io0:
@@ -384,6 +392,27 @@ hifn_rng(vsc)
}
/*
+ * Reset the processing unit.
+ */
+void
+hifn_reset_puc(sc)
+ struct hifn_softc *sc;
+{
+ int i;
+
+ /* Reset processing unit */
+ WRITE_REG_0(sc, HIFN_0_PUCTRL, HIFN_PUCTRL_DMAENA);
+ for (i = 0; i < 5000; i++) {
+ DELAY(1);
+ if (!(READ_REG_0(sc, HIFN_0_PUCTRL) & HIFN_PUCTRL_RESET))
+ break;
+ }
+ if (i == 5000)
+ printf("\n%s: proc unit did not reset\n",
+ sc->sc_dv.dv_xname);
+}
+
+/*
* Resets the board. Values in the regesters are left as is
* from the reset (i.e. initial values are assigned elsewhere).
*/
@@ -404,20 +433,13 @@ hifn_reset_board(sc)
*/
DELAY(1000);
- /* Reset the board. We do this by writing zeros to the DMA reset
- * field, the BRD reset field, and the manditory 1 at position 2.
- * Every other field is set to zero.
- */
- WRITE_REG_1(sc, HIFN_1_DMA_CNFG, HIFN_DMACNFG_MODE);
-
- /*
- * Wait another millisecond for the board to reset.
- */
- DELAY(1000);
+ /* Reset the DMA unit */
+ WRITE_REG_1(sc, HIFN_1_DMA_CNFG,
+ HIFN_DMACNFG_MODE | HIFN_DMACNFG_MSTRESET);
+ bzero(sc->sc_dma, sizeof(*sc->sc_dma));
+ hifn_reset_puc(sc);
- /*
- * Turn off the reset! (No joke.)
- */
+ /* Bring dma unit out of reset */
WRITE_REG_1(sc, HIFN_1_DMA_CNFG, HIFN_DMACNFG_MSTRESET |
HIFN_DMACNFG_DMARESET | HIFN_DMACNFG_MODE);
@@ -661,7 +683,7 @@ hifn_sessions(sc)
sc->sc_maxses = 2048;
}
-void
+int
hifn_ramtype(sc)
struct hifn_softc *sc;
{
@@ -674,27 +696,27 @@ hifn_ramtype(sc)
for (i = 0; i < sizeof(data); i++)
data[i] = dataexpect[i] = 0x55;
- if (hifn_writeramaddr(sc, 0, data, 0) < 0)
- return;
- if (hifn_readramaddr(sc, 0, data, 1) < 0)
- return;
+ if (hifn_writeramaddr(sc, 0, data, 0))
+ return (-1);
+ if (hifn_readramaddr(sc, 0, data, 1))
+ return (-1);
if (bcmp(data, dataexpect, sizeof(data)) != 0) {
sc->sc_drammodel = 1;
- return;
+ return (0);
}
- hifn_reset_board(sc);
- hifn_init_dma(sc);
- hifn_init_pci_registers(sc);
-
for (i = 0; i < sizeof(data); i++)
data[i] = dataexpect[i] = 0xaa;
- if (hifn_writeramaddr(sc, 0, data, 0) < 0)
- return;
- if (hifn_readramaddr(sc, 0, data, 1) < 0)
- return;
- if (bcmp(data, dataexpect, sizeof(data)) != 0)
+ if (hifn_writeramaddr(sc, 0, data, 2))
+ return (-1);
+ if (hifn_readramaddr(sc, 0, data, 3))
+ return (-1);
+ if (bcmp(data, dataexpect, sizeof(data)) != 0) {
sc->sc_drammodel = 1;
+ return (0);
+ }
+
+ return (0);
}
/*
@@ -785,6 +807,7 @@ hifn_writeramaddr(sc, addr, data, slot)
wc.total_dest_count = addr & 0x3fff;;
/* build write command */
+ bzero(dma->command_bufs[slot], HIFN_MAX_COMMAND);
*(hifn_base_command_t *)dma->command_bufs[slot] = wc;
bcopy(data, &dma->test_src, sizeof(dma->test_src));
@@ -795,13 +818,28 @@ hifn_writeramaddr(sc, addr, data, slot)
dma->cmdr[slot].l = 16 | masks;
dma->srcr[slot].l = 8 | masks;
- dma->dstr[slot].l = 8 | masks;
- dma->resr[slot].l = HIFN_MAX_RESULT | masks;
+ dma->dstr[slot].l = 4 | masks;
+ dma->resr[slot].l = 4 | masks;
+
+ bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap,
+ BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
DELAY(3000); /* let write command execute */
+
+ bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap,
+ BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
+
+ if (dma->cmdr[slot].l & HIFN_D_VALID)
+ printf("cmd[%d] valid still set.\n", slot);
+ if (dma->srcr[slot].l & HIFN_D_VALID)
+ printf("source[%d] valid still set.\n", slot);
+ if (dma->dstr[slot].l & HIFN_D_VALID)
+ printf("dest[%d] valid still set.\n", slot);
+
if (dma->resr[slot].l & HIFN_D_VALID) {
- printf("%s: SRAM/DRAM detection error -- "
- "result[%d] valid still set\n", sc->sc_dv.dv_xname, slot);
+ printf("\n%s: writeramaddr error -- "
+ "result[%d](addr %d) valid still set\n",
+ sc->sc_dv.dv_xname, slot, addr);
return (-1);
}
return (0);
@@ -822,21 +860,32 @@ hifn_readramaddr(sc, addr, data, slot)
rc.total_source_count = addr & 0x3fff;
rc.total_dest_count = 8;
+ bzero(dma->command_bufs[slot], HIFN_MAX_COMMAND);
*(hifn_base_command_t *)dma->command_bufs[slot] = rc;
dma->srcr[slot].p = sc->sc_dmamap->dm_segs[0].ds_addr +
offsetof(struct hifn_dma, test_src);
+ dma->test_src = 0;
dma->dstr[slot].p = sc->sc_dmamap->dm_segs[0].ds_addr +
offsetof(struct hifn_dma, test_dst);
- dma->cmdr[slot].l = 16 | masks;
+ dma->test_dst = 0;
+ dma->cmdr[slot].l = 8 | masks;
dma->srcr[slot].l = 8 | masks;
dma->dstr[slot].l = 8 | masks;
dma->resr[slot].l = HIFN_MAX_RESULT | masks;
- DELAY(1000); /* let read command execute */
+ bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap,
+ BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
+
+ DELAY(3000); /* let read command execute */
+
+ bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap,
+ BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
+
if (dma->resr[slot].l & HIFN_D_VALID) {
- printf("%s: SRAM/DRAM detection error -- "
- "result[%d] valid still set\n", sc->sc_dv.dv_xname, slot);
+ printf("\n%s: readramaddr error -- "
+ "result[%d](addr %d) valid still set\n",
+ sc->sc_dv.dv_xname, slot, addr);
return (-1);
}
bcopy(&dma->test_dst, data, sizeof(dma->test_dst));