1 files changed, 127 insertions, 0 deletions
diff --git a/src/southbridge/ti/pci7420/pci7420_cardbus.c b/src/southbridge/ti/pci7420/pci7420_cardbus.c
new file mode 100644
index 0000000..0e95d08
--- /dev/null
+++ b/src/southbridge/ti/pci7420/pci7420_cardbus.c
@@ -0,0 +1,127 @@
+/*
+ * (C) Copyright 2008-2009 coresystems GmbH
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ops.h>
+#include <device/pci_ids.h>
+#include <console/console.h>
+#include <device/cardbus.h>
+#include "pci7420.h"
+#include "chip.h"
+
+#ifdef ODD_IRQ_FIXUP
+static int cardbus_count = 0;
+#endif
+
+static void pci7420_cardbus_init(device_t dev)
+{
+	u8 reg8;
+	u16 reg16;
+	u32 reg32;
+
+	struct southbridge_ti_pci7420_config *config = dev->chip_info;
+	int smartcard_enabled = 0;
+
+	printk_debug("TI PCI7420/7620 init\n");
+
+	if (!config) {
+		printk_debug("PCI7420: No configuration found.\n");
+	} else {
+		smartcard_enabled = config->smartcard_enabled;
+	}
+
+	reg32 = pci_read_config32(dev, SYSCTL);
+	reg32 |= RIMUX;
+	pci_write_config32(dev, SYSCTL, reg32);
+
+	/* Enable SPKROUT */
+	reg8 = pci_read_config8(dev, CARDCTL);
+	reg8 |= SPKROUTEN;
+	pci_write_config8(dev, CARDCTL, reg8);
+
+	/* Power switch select and FM disable */
+	reg16 = pci_read_config16(dev, GENCTL);
+	reg16 |= P12V_SW_SEL; // 12V capable power switch
+	if (smartcard_enabled == 0)
+		reg16 |= DISABLE_FM;
+	pci_write_config16(dev, GENCTL, reg16);
+
+	/* Multifunction routing status */
+	pci_write_config32(dev, MFUNC, 0x018a1b22);
+
+#ifdef ODD_IRQ_FIXUP
+	/* This is a workaround for buggy kernels. This should
+	 * probably be read from the device tree, but as long
+	 * as only one mainboard is using this bridge it does
+	 * not matter.
+	 *
+	 * Basically what we do here is assign INTA to the first
+	 * cardbus controller, and INTB to the second one. We know
+	 * there are only two of them.
+	 */
+	pci_write_config8(dev, PCI_INTERRUPT_PIN, cardbus_count);
+	cardbus_count++;
+#endif
+}
+
+void pci7420_cardbus_read_resources(device_t dev)
+{
+	cardbus_read_resources(dev);
+}
+
+void pci7420_cardbus_set_resources(device_t dev)
+{
+	printk_debug("%s In set resources \n",dev_path(dev));
+
+	pci_dev_set_resources(dev);
+
+	printk_debug("%s done set resources \n",dev_path(dev));
+}
+
+static struct device_operations ti_pci7420_ops = {
+	.read_resources   = pci7420_cardbus_read_resources,
+	.set_resources    = pci7420_cardbus_set_resources,
+	.enable_resources = cardbus_enable_resources,
+	.init             = pci7420_cardbus_init,
+	.scan_bus         = cardbus_scan_bridge,
+};
+
+static const struct pci_driver ti_pci7420_driver __pci_driver = {
+	.ops    = &ti_pci7420_ops,
+	.vendor = 0x104c,
+	.device = 0xac8e,
+};
+
+static const struct pci_driver ti_pci7620_driver __pci_driver = {
+	.ops    = &ti_pci7420_ops,
+	.vendor = 0x104c,
+	.device = 0xac8d,
+};
+
+static void ti_pci7420_enable_dev(device_t dev)
+{
+	/* Nothing here yet */
+}
+
+struct chip_operations southbridge_ti_pci7420_ops = {
+	CHIP_NAME("Texas Instruments PCI7420/7620 Cardbus Controller")
+	.enable_dev    = ti_pci7420_enable_dev,
+};