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Diffstat (limited to 'arch/arm/cpu/arm926ejs/aspeed/PCI_SPI.c')
-rw-r--r--arch/arm/cpu/arm926ejs/aspeed/PCI_SPI.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/aspeed/PCI_SPI.c b/arch/arm/cpu/arm926ejs/aspeed/PCI_SPI.c
new file mode 100644
index 0000000..77aac47
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/aspeed/PCI_SPI.c
@@ -0,0 +1,83 @@
+/*
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#define PCI_SPI_C
+static const char ThisFile[] = "PCI_SPI.c";
+
+#include "SWFUNC.H"
+
+#ifdef SLT_UBOOT
+ #include <common.h>
+ #include <command.h>
+#endif
+#ifdef SLT_DOS
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <conio.h>
+ #include <string.h>
+ #include <dos.h>
+#endif
+
+#include "DEF_SPI.H"
+#include "LIB.H"
+#include "TYPEDEF.H"
+
+#ifdef SPI_BUS
+ULONG GetPCIInfo (DEVICE_PCI_INFO *VGAPCIInfo)
+{
+ ULONG ulPCIBaseAddress, MMIOBaseAddress, LinearAddressBase, busnum, data;
+
+ ulPCIBaseAddress = FindPCIDevice (0x1A03, 0x2000, ACTIVE);
+ busnum = 0;
+ while (ulPCIBaseAddress == 0 && busnum < 256) {
+ ulPCIBaseAddress = FindPCIDevice (0x1A03, 0x2000, busnum);
+ if (ulPCIBaseAddress == 0) {
+ ulPCIBaseAddress = FindPCIDevice (0x1688, 0x2000, busnum);
+ }
+ if (ulPCIBaseAddress == 0) {
+ ulPCIBaseAddress = FindPCIDevice (0x1A03, 0x1160, busnum);
+ }
+ if (ulPCIBaseAddress == 0) {
+ ulPCIBaseAddress = FindPCIDevice (0x1A03, 0x1180, busnum);
+ }
+ busnum++;
+ }
+ printf ("ulPCIBaseAddress = %lx\n", ulPCIBaseAddress);
+ if (ulPCIBaseAddress != 0) {
+ VGAPCIInfo->ulPCIConfigurationBaseAddress = ulPCIBaseAddress;
+ VGAPCIInfo->usVendorID = ReadPCIReg(ulPCIBaseAddress, 0, 0xFFFF);
+ VGAPCIInfo->usDeviceID = ReadPCIReg(ulPCIBaseAddress, 0, 0xFFFF0000) >> 16;
+ LinearAddressBase = ReadPCIReg (ulPCIBaseAddress, 0x10, 0xFFFFFFF0);
+ VGAPCIInfo->ulPhysicalBaseAddress = MapPhysicalToLinear (LinearAddressBase, 64 * 1024 * 1024 + 0x200000);
+ MMIOBaseAddress = ReadPCIReg (ulPCIBaseAddress, 0x14, 0xFFFF0000);
+ VGAPCIInfo->ulMMIOBaseAddress = MapPhysicalToLinear (MMIOBaseAddress, 64 * 1024 * 1024);
+ VGAPCIInfo->usRelocateIO = ReadPCIReg (ulPCIBaseAddress, 0x18, 0x0000FF80);
+ OUTDWPORT(0xcf8, ulPCIBaseAddress + 0x4);
+ data = INDWPORT(0xcfc);
+ OUTDWPORT(0xcfc, data | 0x3);
+ return TRUE;
+ }
+ else {
+ return FALSE;
+ }
+} // End ULONG GetPCIInfo (DEVICE_PCI_INFO *VGAPCIInfo)
+
+BOOLEAN GetDevicePCIInfo (VIDEO_ENGINE_INFO *VideoEngineInfo)
+{
+ if (GetPCIInfo (&VideoEngineInfo->VGAPCIInfo) == TRUE) {
+ return TRUE;
+ }
+ else {
+ printf("Can not find PCI device!\n");
+ exit(0);
+ return FALSE;
+ }
+} // End
+#endif // End ifdef SPI_BUS
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