On Feb 7, 2008 11:27 AM, Marc Jones Marc.Jones@amd.com wrote:
You need good settings for the southbridge in your platform dts. You should be able to copy these from v2.
/* LPC IRQ polarity. Each bit is an IRQ 0-15. */ lpc_serirq_polarity = "0";
/* 0:continuous 1:quiet */ lpc_serirq_mode = "0"; /* GPIO(0-0x20) for INT D:C:B:A, 0xFF=none. See virtual PIC spec. */ enable_gpio_int_route = "0";
Here are the current defaults (recall that the dts can set defaults)
constructor = "cs5536_constructors"; pciid = "PCI_VENDOR_ID_AMD,PCI_DEVICE_ID_AMD_CS5536_ISA";
/* Interrupt enables for LPC bus. Each bit is an IRQ 0-15. */ lpc_serirq_enable = "0";
/* LPC IRQ polarity. Each bit is an IRQ 0-15. */ lpc_serirq_polarity = "0";
/* 0:continuous 1:quiet */ lpc_serirq_mode = "0";
/* GPIO(0-0x20) for INT D:C:B:A, 0xFF=none. See virtual PIC spec. */ enable_gpio_int_route = "0";
/* 0:IDE 1:FLASH, if you are using NAND flash instead of IDE drive. */ enable_ide_nand_flash = "0";
/* IDE: enable CS5536 IDE. There may be a different IDE controller on board */ enable_ide = "0";
/* Enable USB Port 4 (0:host 1:device). */ enable_USBP4_device = "0";
/* 0:off, xxxx:overcurrent setting, e.g. 0x3FEA. * See CS5536 - Data Book (pages 380-381). */ enable_USBP4_overcurrent = "0";
/* COM1 settings */ com1_enable = "0"; com1_address = "0x3f8"; com1_irq = "4";
/* COM2 settings */ com2_enable = "0"; com2_address = "0x2f8"; com2_irq = "3";