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-rw-r--r--src/mainboard/asus/m2v/mainboard.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/mainboard/asus/m2v/mainboard.c b/src/mainboard/asus/m2v/mainboard.c
index b1ac998ccb..3d2c3cb8e4 100644
--- a/src/mainboard/asus/m2v/mainboard.c
+++ b/src/mainboard/asus/m2v/mainboard.c
@@ -17,9 +17,45 @@
* 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_ids.h>
+#include <console/console.h>
+#include "southbridge/via/vt8237r/vt8237r.h"
#include "chip.h"
+u32 vt8237_ide_80pin_detect(struct device *dev)
+{
+ device_t lpc_dev;
+ u16 acpi_io_base;
+ u32 gpio_in;
+ u32 res;
+
+ lpc_dev = dev_find_device(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_VT8237A_LPC, 0);
+ if (!lpc_dev)
+ return;
+
+ acpi_io_base = pci_read_config16(lpc_dev, 0x88);
+ if (!acpi_io_base || (acpi_io_base & ~1) == 0)
+ return;
+ acpi_io_base &= ~1;
+
+ gpio_in = inl(acpi_io_base + 0x48);
+ /* bit 9 for primary port, clear if unconnected or 80-pin cable */
+ res = gpio_in & (1<<9) ? 0 : VT8237R_IDE0_80PIN_CABLE;
+ /* bit 4 for secondary port, clear if unconnected or 80-pin cable */
+ res |= gpio_in & (1<<4) ? 0 : VT8237R_IDE1_80PIN_CABLE;
+
+ printk(BIOS_INFO, "Cable on %s PATA port: %d pin\n", "primary",
+ gpio_in & (1<<9) ? 40 : 80);
+ printk(BIOS_INFO, "Cable on %s PATA port: %d pin\n", "secondary",
+ gpio_in & (1<<4) ? 40 : 80);
+
+ return res;
+}
+
struct chip_operations mainboard_ops = {
CHIP_NAME("ASUS M2V")
};