Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / u-boot / board / freescale / common / cds_via.c
diff --git a/qemu/roms/u-boot/board/freescale/common/cds_via.c b/qemu/roms/u-boot/board/freescale/common/cds_via.c
new file mode 100644 (file)
index 0000000..028b093
--- /dev/null
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2006 Freescale Semiconductor.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <pci.h>
+
+/* Config the VIA chip */
+void mpc85xx_config_via(struct pci_controller *hose,
+                       pci_dev_t dev, struct pci_config_table *tab)
+{
+       pci_dev_t bridge;
+       unsigned int cmdstat;
+
+       /* Enable USB and IDE functions */
+       pci_hose_write_config_byte(hose, dev, 0x48, 0x08);
+
+       pci_hose_read_config_dword(hose, dev, PCI_COMMAND, &cmdstat);
+       cmdstat |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY| PCI_COMMAND_MASTER;
+       pci_hose_write_config_dword(hose, dev, PCI_COMMAND, cmdstat);
+       pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08);
+       pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80);
+
+       /*
+        * Force the backplane P2P bridge to have a window
+        * open from 0x00000000-0x00001fff in PCI I/O space.
+        * This allows legacy I/O (i8259, etc) on the VIA
+        * southbridge to be accessed.
+        */
+       bridge = PCI_BDF(0,BRIDGE_ID,0);
+       pci_hose_write_config_byte(hose, bridge, PCI_IO_BASE, 0);
+       pci_hose_write_config_word(hose, bridge, PCI_IO_BASE_UPPER16, 0);
+       pci_hose_write_config_byte(hose, bridge, PCI_IO_LIMIT, 0x10);
+       pci_hose_write_config_word(hose, bridge, PCI_IO_LIMIT_UPPER16, 0);
+}
+
+/* Function 1, IDE */
+void mpc85xx_config_via_usbide(struct pci_controller *hose,
+                              pci_dev_t dev, struct pci_config_table *tab)
+{
+       pciauto_config_device(hose, dev);
+       /*
+        * Since the P2P window was forced to cover the fixed
+        * legacy I/O addresses, it is necessary to manually
+        * place the base addresses for the IDE and USB functions
+        * within this window.
+        */
+       pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_0, 0x1ff8);
+       pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_1, 0x1ff4);
+       pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_2, 0x1fe8);
+       pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_3, 0x1fe4);
+       pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_4, 0x1fd0);
+}
+
+/* Function 2, USB ports 0-1 */
+void mpc85xx_config_via_usb(struct pci_controller *hose,
+                           pci_dev_t dev, struct pci_config_table *tab)
+{
+       pciauto_config_device(hose, dev);
+
+       pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_4, 0x1fa0);
+}
+
+/* Function 3, USB ports 2-3 */
+void mpc85xx_config_via_usb2(struct pci_controller *hose,
+                            pci_dev_t dev, struct pci_config_table *tab)
+{
+       pciauto_config_device(hose, dev);
+
+       pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_4, 0x1f80);
+}
+
+/* Function 5, Power Management */
+void mpc85xx_config_via_power(struct pci_controller *hose,
+                             pci_dev_t dev, struct pci_config_table *tab)
+{
+       pciauto_config_device(hose, dev);
+
+       pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_0, 0x1e00);
+       pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_1, 0x1dfc);
+       pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_2, 0x1df8);
+}
+
+/* Function 6, AC97 Interface */
+void mpc85xx_config_via_ac97(struct pci_controller *hose,
+                            pci_dev_t dev, struct pci_config_table *tab)
+{
+       pciauto_config_device(hose, dev);
+
+       pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_0, 0x1c00);
+}