diff options
Diffstat (limited to 'src/southbridge/nvidia/mcp55/mcp55_sata.c')
-rw-r--r-- | src/southbridge/nvidia/mcp55/mcp55_sata.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/southbridge/nvidia/mcp55/mcp55_sata.c b/src/southbridge/nvidia/mcp55/mcp55_sata.c new file mode 100644 index 0000000000..1281f5939c --- /dev/null +++ b/src/southbridge/nvidia/mcp55/mcp55_sata.c @@ -0,0 +1,101 @@ +/* + * This file is part of the LinuxBIOS project. + * + * Copyright (C) 2004 Tyan Computer + * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer. + * Copyright (C) 2006,2007 AMD + * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD. + * + * 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 <console/console.h> +#include <device/device.h> +#include <delay.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include "mcp55.h" + +static void sata_init(struct device *dev) +{ + uint32_t dword; + + struct southbridge_nvidia_mcp55_config *conf; + conf = dev->chip_info; + + dword = pci_read_config32(dev, 0x50); + /* Ensure prefetch is disabled */ + dword &= ~((1 << 15) | (1 << 13)); + if(conf) { + if (conf->sata1_enable) { + /* Enable secondary SATA interface */ + dword |= (1<<0); + printk_debug("SATA S \t"); + } + if (conf->sata0_enable) { + /* Enable primary SATA interface */ + dword |= (1<<1); + printk_debug("SATA P \n"); + } + } else { + dword |= (1<<1) | (1<<0); + printk_debug("SATA P and S \n"); + } + + +#if 1 + dword &= ~(0x1f<<24); + dword |= (0x15<<24); +#endif + pci_write_config32(dev, 0x50, dword); + + dword = pci_read_config32(dev, 0xf8); + dword |= 2; + pci_write_config32(dev, 0xf8, dword); + + +} + +static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + pci_write_config32(dev, 0x40, + ((device & 0xffff) << 16) | (vendor & 0xffff)); +} +static struct pci_operations lops_pci = { + .set_subsystem = lpci_set_subsystem, +}; + +static struct device_operations sata_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, +// .enable = mcp55_enable, + .init = sata_init, + .scan_bus = 0, + .ops_pci = &lops_pci, +}; + +static struct pci_driver sata0_driver __pci_driver = { + .ops = &sata_ops, + .vendor = PCI_VENDOR_ID_NVIDIA, + .device = PCI_DEVICE_ID_NVIDIA_MCP55_SATA0, +}; + +static struct pci_driver sata1_driver __pci_driver = { + .ops = &sata_ops, + .vendor = PCI_VENDOR_ID_NVIDIA, + .device = PCI_DEVICE_ID_NVIDIA_MCP55_SATA1, +}; |