Merge with http://www.jdl.com/software/u-boot-86xx.git

1 files changed, 104 insertions, 0 deletions

diff --git a/board/cds/common/via.c b/board/cds/common/via.c
new file mode 100644
index 0000000..e79bd02
--- /dev/null
+++ b/board/cds/common/via.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2006 Freescale Semiconductor.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+#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;
+
+	/* Enable USB and IDE functions */
+	pci_hose_write_config_byte(hose, dev, 0x48, 0x08);
+
+	pciauto_config_device(hose, dev);
+
+	/*
+	 * 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(0,17,0);
+	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);
+}