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Diffstat (limited to 'hw/xfree86/os-support/bus/zx1PCI.c')
-rw-r--r--hw/xfree86/os-support/bus/zx1PCI.c157
1 files changed, 106 insertions, 51 deletions
diff --git a/hw/xfree86/os-support/bus/zx1PCI.c b/hw/xfree86/os-support/bus/zx1PCI.c
index 16640b95b..ce3260c26 100644
--- a/hw/xfree86/os-support/bus/zx1PCI.c
+++ b/hw/xfree86/os-support/bus/zx1PCI.c
@@ -1,4 +1,4 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bus/zx1PCI.c,v 1.3 2003/07/17 15:08:22 tsi Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bus/zx1PCI.c,v 1.8 2004/01/16 15:39:38 tsi Exp $ */
/*
* Copyright (C) 2002-2003 The XFree86 Project, Inc. All Rights Reserved.
*
@@ -97,9 +97,10 @@
#define LBA_PORT5_CNTRL 0x1228U
#define LBA_PORT6_CNTRL 0x1230U
#define LBA_PORT7_CNTRL 0x1238U
-#define LBA_ROPE_RESET 0x01UL
-#define LBA_CLEAR_ERROR 0x10UL
-#define LBA_HARD_FAIL 0x40UL
+#define LBA_RESET_FUNCTION 0x0000000001UL
+#define LBA_CLEAR_ERROR 0x0000000010UL
+#define LBA_HARD_FAIL 0x0000000040UL
+#define LBA_RESET_COMPLETE 0x0100000000UL
#define ROPE_PAGE_CONTROL 0x1418U
@@ -117,8 +118,11 @@
#define IOA_SUBORDINATE_BUS 0x0059U
#define IOA_CONTROL 0x0108U
-#define IOA_FORWARD_VGA 0x08UL
-#define IOA_HARD_FAIL 0x40UL
+#define IOA_RESET_FUNCTION 0x0000000001UL
+#define IOA_FORWARD_VGA 0x0000000008UL
+#define IOA_CLEAR_ERROR 0x0000000010UL
+#define IOA_HARD_FAIL 0x0000000040UL
+#define IOA_RESET_COMPLETE 0x0100000000UL
#define IOA_LMMIO_BASE 0x0200U
#define IOA_LMMIO_MASK 0x0208U
@@ -134,12 +138,33 @@
#define IOA_ELMMIO_MASK 0x0258U
#define IOA_EIOS_BASE 0x0260U
#define IOA_EIOS_MASK 0x0268U
-
+#define IOA_GLOBAL_MASK 0x0270U
#define IOA_SLAVE_CONTROL 0x0278U
#define IOA_VGA_PEER_ENABLE 0x2000UL
#define IOA_MSI_BASE 0x0280U
#define IOA_MSI_MASK 0x0288U
+#define IOA_DMA_BASE 0x02B0U
+#define IOA_DMA_MASK 0x02B8U
+
+#define IOA_ERROR_CONFIG 0x0680U
+#define IOA_ERROR_PIOWRITE 0x0001UL
+#define IOA_ERROR_PIOREAD 0x0002UL
+#define IOA_ERROR_DMAWRITE 0x0004UL
+#define IOA_ERROR_DMAREAD 0x0008UL
+#define IOA_ERROR_CONFIG_MASTER 0x0010UL
+#define IOA_ERROR_SMART 0x0020UL
+#define IOA_ERROR_FATAL_SERR 0x0040UL
+#define IOA_ERROR_ASSERT_SERR 0x0080UL
+/* ? 0x0100UL */
+#define IOA_ERROR_LOOPBACK 0x0200UL
+#define IOA_ERROR_CONFIG_TARGET 0x0400UL
+#define IOA_ERROR_IO_MASTER 0x0800UL
+#define IOA_ERROR_IO_TARGET 0x1000UL
+#define IOA_ERROR_MEM_MASTER 0x2000UL
+#define IOA_ERROR_MEM_TARGET 0x4000UL
+#define IOA_ERROR_HF_IO_FATAL 0x8000UL
+
#define RANGE_ENABLE 0x01UL /* In various base registers */
#define IO_MASK ((1UL << 16) - 1UL)
@@ -156,10 +181,15 @@
static CARD8 *pZX1mio = NULL,
*pZX1ioa = NULL;
-static INT8 zx1_ropemap[8]; /* One for each (potential) rope */
-static CARD64 zx1_lbacntl[8]; /* " " " " " */
+/* Per-rope data */
+static INT8 zx1_ropemap[8];
+static CARD32 zx1_pciids[8];
+static CARD64 zx1_lbacntl[8];
static int zx1_busno[8], zx1_subno[8];
+/* Array of Booleans for non-empty buses */
+static INT8 zx1_busnmpt[MAX_PCI_BUSES];
+
static pciBusFuncs_t zx1BusFuncs;
static int zx1_fakebus = -1;
static Bool zx1_hasvga = FALSE;
@@ -292,7 +322,8 @@ ControlZX1Bridge(int bus, CARD16 mask, CARD16 value)
* SLAVE_CONTROL register.
*/
tmp1 = MIO_QUAD(VGA_ROUTE);
- tmp2 = IOA_QUAD(ropenum, IOA_CONTROL);
+ tmp2 = IOA_QUAD(ropenum, IOA_CONTROL) &
+ ~(IOA_RESET_FUNCTION | IOA_CLEAR_ERROR);
if ((tmp1 & VGA_ENABLE) && ((tmp1 & 0x07UL) == ropenum)) {
current |= PCI_PCI_BRIDGE_VGA_EN;
if ((mask & PCI_PCI_BRIDGE_VGA_EN) &&
@@ -315,8 +346,9 @@ ControlZX1Bridge(int bus, CARD16 mask, CARD16 value)
MIO_QUAD(VGA_ROUTE) = 0UL;
tmp3 = IOA_QUAD(tmp1 & 0x07UL, IOA_CONTROL);
if (tmp3 & IOA_FORWARD_VGA)
- IOA_QUAD(tmp1 & 0x07UL, IOA_CONTROL) =
- tmp3 & ~IOA_FORWARD_VGA;
+ IOA_QUAD(tmp1 & 0x07UL, IOA_CONTROL) = tmp3 &
+ ~(IOA_RESET_FUNCTION | IOA_FORWARD_VGA |
+ IOA_CLEAR_ERROR);
}
if (!(tmp2 & IOA_FORWARD_VGA)) {
tmp2 |= IOA_FORWARD_VGA;
@@ -329,7 +361,7 @@ ControlZX1Bridge(int bus, CARD16 mask, CARD16 value)
/* Move on to master abort failure enablement */
tmp1 = MIO_QUAD((ropenum << 3) + LBA_PORT0_CNTRL) &
- ~(LBA_ROPE_RESET | LBA_CLEAR_ERROR);
+ ~(LBA_RESET_FUNCTION | LBA_CLEAR_ERROR);
if ((tmp1 & LBA_HARD_FAIL) || (tmp2 & IOA_HARD_FAIL)) {
current |= PCI_PCI_BRIDGE_MASTER_ABORT_EN;
if ((mask & PCI_PCI_BRIDGE_MASTER_ABORT_EN) &&
@@ -391,14 +423,15 @@ GetZX1BridgeResources(int bus,
static CARD32
zx1FakeReadLong(PCITAG tag, int offset)
{
- FatalError("zx1FakeReadLong(0x%X, 0x%X) called\n", tag, offset);
+ FatalError("zx1FakeReadLong(0x%lX, 0x%X) called\n",
+ (unsigned long)tag, offset);
}
static void
zx1FakeWriteLong(PCITAG tag, int offset, CARD32 val)
{
- FatalError("zx1FakeWriteLong(0x%X, 0x%X, 0x%08X) called\n",
- tag, offset, val);
+ FatalError("zx1FakeWriteLong(0x%lX, 0x%X, 0x%08X) called\n",
+ (unsigned long)tag, offset, val);
}
static void
@@ -432,25 +465,19 @@ static pciBusInfo_t zx1FakeBus = {
NULL, /* bridge -- dynamically set */
};
-/*
- * This checks for, and validates, the presence of the ZX1 chipset, and sets
- * pZX1mio to a non-NULL pointer accordingly. This function is called before
- * the server's PCI bus scan and returns TRUE if the chipset scan is to be
- * stopped, or FALSE if the scan is to move on to the next chipset.
- */
-Bool
+void
xf86PreScanZX1(void)
{
resRange range;
unsigned long mapSize = xf86getpagesize();
unsigned long tmp, base, ioaaddr;
- unsigned long flagsd = 0, based = 0, lastd = 0, maskd = 0, routed = 0;
- unsigned long flags0 = 0, base0 = 0, last0 = 0, mask0 = 0, route0 = 0;
- unsigned long flags1 = 0, base1 = 0, last1 = 0, mask1 = 0, route1 = 0;
- unsigned long flags2 = 0, base2 = 0, last2 = 0, mask2 = 0, route2 = 0;
- unsigned long flags3 = 0, base3 = 0, last3 = 0, mask3 = 0, route3 = 0;
- unsigned long flagsg = 0, baseg = 0, lastg = 0, maskg = 0, routeg = 0;
- unsigned long flagsl = 0, basel = 0, lastl = 0;
+ unsigned long flagsd, based, lastd, maskd, routed;
+ unsigned long flags0, base0, last0, mask0, route0;
+ unsigned long flags1, base1, last1, mask1, route1;
+ unsigned long flags2, base2, last2, mask2, route2;
+ unsigned long flags3, base3, last3, mask3, route3;
+ unsigned long flagsg, baseg, lastg, maskg, routeg;
+ unsigned long flagsl, basel, lastl;
int i, rope;
/* Map mio registers (minimum 8k) */
@@ -458,16 +485,16 @@ xf86PreScanZX1(void)
mapSize = MIO_SIZE;
if (!(pZX1mio = xf86MapVidMem(-1, VIDMEM_MMIO, MIO_BASE, mapSize)))
- return FALSE;
+ return;
- /* Look for ZX1's SBA and IOC */
+ /* Look for ZX1's SBA and IOC */ /* XXX What about Dino? */
if ((MIO_LONG(MIO_FUNCTION0 + PCI_ID_REG) !=
DEVID(VENDOR_HP, CHIP_ZX1_SBA)) ||
(MIO_LONG(MIO_FUNCTION1 + PCI_ID_REG) !=
DEVID(VENDOR_HP, CHIP_ZX1_IOC))) {
xf86UnMapVidMem(-1, pZX1mio, mapSize);
pZX1mio = NULL;
- return FALSE;
+ return;
}
/* Map rope configuration space */
@@ -477,7 +504,7 @@ xf86PreScanZX1(void)
!(pZX1ioa = xf86MapVidMem(-1, VIDMEM_MMIO, ioaaddr, IOA_SIZE))) {
xf86UnMapVidMem(-1, pZX1mio, mapSize);
pZX1mio = NULL;
- return TRUE;
+ return;
}
for (i = 0; i < 8; i++) {
@@ -519,16 +546,17 @@ xf86PreScanZX1(void)
/* Prevent hard-fails */
zx1_lbacntl[i] = MIO_QUAD((i << 3) + LBA_PORT0_CNTRL) &
- ~(LBA_ROPE_RESET | LBA_CLEAR_ERROR);
+ ~(LBA_RESET_FUNCTION | LBA_CLEAR_ERROR);
if (zx1_lbacntl[i] & LBA_HARD_FAIL)
MIO_QUAD((i << 3) + LBA_PORT0_CNTRL) =
zx1_lbacntl[i] & ~LBA_HARD_FAIL;
/* Poke for an ioa */
- tmp = IOA_LONG(i, PCI_ID_REG);
- switch ((CARD32)tmp) {
+ zx1_pciids[i] = IOA_LONG(i, PCI_ID_REG);
+ switch (zx1_pciids[i]) {
case DEVID(VENDOR_HP, CHIP_ELROY):
- case DEVID(VENDOR_HP, CHIP_ZX1_LBA):
+ case DEVID(VENDOR_HP, CHIP_ZX1_LBA): /* Mercury */
+ case DEVID(VENDOR_HP, CHIP_ZX1_AGP8): /* QuickSilver */
/* Expected vendor/device IDs */
zx1_busno[i] =
(unsigned int)IOA_BYTE(i, IOA_SECONDARY_BUS);
@@ -537,10 +565,10 @@ xf86PreScanZX1(void)
break;
default:
- if ((CARD16)(tmp + 1U) > (CARD16)1U)
+ if ((CARD16)(zx1_pciids[i] + 1U) > (CARD16)1U)
xf86MsgVerb(X_NOTICE, 0,
"HP ZX1: Unexpected vendor/device id 0x%08X"
- " on rope %d\n", (CARD32)tmp, i);
+ " on rope %d\n", zx1_pciids[i], i);
/* Nobody home, or not the "right" kind of rope guest */
/*
@@ -587,6 +615,14 @@ xf86PreScanZX1(void)
* ones.
*/
+ flagsd = 0; based = 0; lastd = 0; maskd = 0; routed = 0;
+ flags0 = 0; base0 = 0; last0 = 0; mask0 = 0; route0 = 0;
+ flags1 = 0; base1 = 0; last1 = 0; mask1 = 0; route1 = 0;
+ flags2 = 0; base2 = 0; last2 = 0; mask2 = 0; route2 = 0;
+ flags3 = 0; base3 = 0; last3 = 0; mask3 = 0; route3 = 0;
+ flagsg = 0; baseg = 0; lastg = 0; maskg = 0; routeg = 0;
+ flagsl = 0; basel = 0; lastl = 0;
+
if ((tmp = MIO_QUAD(IOS_DIST_BASE)) & RANGE_ENABLE) {
flagsd = RANGE_ENABLE;
maskd = MIO_QUAD(IOS_DIST_MASK);
@@ -882,7 +918,7 @@ xf86PreScanZX1(void)
nRange = 0;
- return TRUE;
+ return;
}
/* This is called to finalise the results of a PCI bus scan */
@@ -896,6 +932,9 @@ xf86PostScanZX1(void)
if (!pZX1mio)
return;
+ (void)memset(zx1_busnmpt, FALSE, sizeof(zx1_busnmpt));
+ pBusInfo = pciBusInfo[0];
+
/*
* Certain 2.4 & 2.5 Linux kernels add fake PCI devices. Remove them to
* prevent any possible interference with our PCI validation.
@@ -907,9 +946,11 @@ xf86PostScanZX1(void)
ppPCI = ppPCI2 = xf86scanpci(0); /* Recursion is only apparent */
while ((pPCI = *ppPCI2++)) {
switch (pPCI->pci_device_vendor) {
- case DEVID(VENDOR_HP, CHIP_ZX1_SBA):
- case DEVID(VENDOR_HP, CHIP_ZX1_IOC):
- case DEVID(VENDOR_HP, CHIP_ZX1_LBA):
+ case DEVID(VENDOR_HP, CHIP_ELROY):
+ case DEVID(VENDOR_HP, CHIP_ZX1_SBA): /* Pluto function 0 */
+ case DEVID(VENDOR_HP, CHIP_ZX1_IOC): /* Pluto function 1 */
+ case DEVID(VENDOR_HP, CHIP_ZX1_LBA): /* Mercury */
+ case DEVID(VENDOR_HP, CHIP_ZX1_AGP8): /* QuickSilver */
xfree(pPCI); /* Remove it */
continue;
@@ -917,6 +958,8 @@ xf86PostScanZX1(void)
*ppPCI++ = pPCI;
idx++;
+ zx1_busnmpt[pPCI->busnum] = TRUE;
+
if (zx1_hasvga)
continue;
@@ -941,8 +984,8 @@ xf86PostScanZX1(void)
}
/*
- * Restore hard-fail settings and figure out the actual subordinate bus
- * numbers.
+ * Restore hard-fail settings and figure out the actual secondary and
+ * subordinate bus numbers.
*/
for (i = 0; i < 8; i++) {
if (zx1_ropemap[i] != i)
@@ -956,6 +999,14 @@ xf86PostScanZX1(void)
if (zx1_fakebus <= zx1_subno[i])
zx1_fakebus = zx1_subno[i] + 1;
+
+ while (!zx1_busnmpt[zx1_busno[i]]) {
+ if (zx1_busno[i]) /* Info for bus zero is in static storage */
+ xfree(pciBusInfo[zx1_busno[i]]);
+ pciBusInfo[zx1_busno[i]++] = NULL;
+ if (zx1_busno[i] > zx1_subno[i])
+ break;
+ }
}
if (zx1_fakebus >= pciNumBuses) {
@@ -965,13 +1016,13 @@ xf86PostScanZX1(void)
}
/* Set up our extra bus functions */
- zx1BusFuncs = *(pciBusInfo[0]->funcs);
+ zx1BusFuncs = *(pBusInfo->funcs);
zx1BusFuncs.pciControlBridge = ControlZX1Bridge;
zx1BusFuncs.pciGetBridgeResources = GetZX1BridgeResources;
/* Set up our own fake bus to act as the root segment */
- zx1FakeBus.configMech = pciBusInfo[0]->configMech;
- zx1FakeBus.numDevices = pciBusInfo[0]->numDevices;
+ zx1FakeBus.configMech = pBusInfo->configMech;
+ zx1FakeBus.numDevices = pBusInfo->numDevices;
zx1FakeBus.primary_bus = zx1_fakebus;
pciBusInfo[zx1_fakebus] = &zx1FakeBus;
@@ -1006,7 +1057,8 @@ xf86PostScanZX1(void)
/* Add a fake PCI-to-PCI bridge to represent each active rope */
for (i = 0; i < 8; i++) {
- if ((zx1_ropemap[i] != i) || !(pBusInfo = pciBusInfo[zx1_busno[i]]))
+ if ((zx1_ropemap[i] != i) || (zx1_busno[i] > zx1_subno[i]) ||
+ !(pBusInfo = pciBusInfo[zx1_busno[i]]))
continue;
if (++idx >= MAX_PCI_DEVICES)
@@ -1016,7 +1068,7 @@ xf86PostScanZX1(void)
pPCI->devnum = i | 0x10;
/* pPCI->funcnum = 0; */
pPCI->tag = PCI_MAKE_TAG(zx1_fakebus, pPCI->devnum, 0);
- pPCI->pci_device_vendor = DEVID(VENDOR_HP, CHIP_ZX1_LBA);
+ pPCI->pci_device_vendor = zx1_pciids[i];
pPCI->pci_base_class = PCI_CLASS_BRIDGE;
pPCI->pci_sub_class = PCI_SUBCLASS_BRIDGE_PCI;
pPCI->pci_header_type = 1;
@@ -1032,6 +1084,9 @@ xf86PostScanZX1(void)
/* Plug in chipset routines */
pBusInfo->funcs = &zx1BusFuncs;
+ /* Set bridge control register for scanpci utility */
+ pPCI->pci_bridge_control = ControlZX1Bridge(zx1_busno[i], 0, 0);
+
#ifdef OLD_FORMAT
xf86MsgVerb(X_INFO, 2, "PCI: BusID 0x%.2x,0x%02x,0x%1x "
"ID 0x%04x,0x%04x Rev 0x%02x Class 0x%02x,0x%02x\n",
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 00:57:45 +0000