diff options
Diffstat (limited to 'src/southbridge/intel/bd82x6x')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/lpc.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c index 611b08f734..d9e72b43ad 100644 --- a/src/southbridge/intel/bd82x6x/lpc.c +++ b/src/southbridge/intel/bd82x6x/lpc.c @@ -19,6 +19,7 @@ #include <device/pci.h> #include <device/pci_ids.h> #include <device/pci_ops.h> +#include <device/pci_def.h> #include <pc80/mc146818rtc.h> #include <pc80/isa-dma.h> #include <pc80/i8259.h> @@ -500,10 +501,80 @@ static void pch_spi_init(const struct device *const dev) RCBA32_OR(0x3800 + 0xc4, 1 << 23); /* lock both UVSCC + LVSCC */ } +static const struct { + u16 dev_id; + const char *dev_name; +} pch_table[] = { + /* 6-series PCI ids from + * Intel® 6 Series Chipset and + * Intel® C200 Series Chipset + * Specification Update - NDA + * October 2013 + * CDI / IBP#: 440377 + */ + {0x1C41, "SFF Sample"}, + {0x1C42, "Desktop Sample"}, + {0x1C43, "Mobile Sample"}, + {0x1C44, "Z68"}, + {0x1C46, "P67"}, + {0x1C47, "UM67"}, + {0x1C49, "HM65"}, + {0x1C4A, "H67"}, + {0x1C4B, "HM67"}, + {0x1C4C, "Q65"}, + {0x1C4D, "QS67"}, + {0x1C4E, "Q67"}, + {0x1C4F, "QM67"}, + {0x1C50, "B65"}, + {0x1C52, "C202"}, + {0x1C54, "C204"}, + {0x1C56, "C206"}, + {0x1C5C, "H61"}, + /* 7-series PCI ids from Intel document 472178 */ + {0x1E41, "Desktop Sample"}, + {0x1E42, "Mobile Sample"}, + {0x1E43, "SFF Sample"}, + {0x1E44, "Z77"}, + {0x1E45, "H71"}, + {0x1E46, "Z75"}, + {0x1E47, "Q77"}, + {0x1E48, "Q75"}, + {0x1E49, "B75"}, + {0x1E4A, "H77"}, + {0x1E53, "C216"}, + {0x1E55, "QM77"}, + {0x1E56, "QS77"}, + {0x1E58, "UM77"}, + {0x1E57, "HM77"}, + {0x1E59, "HM76"}, + {0x1E5D, "HM75"}, + {0x1E5E, "HM70"}, + {0x1E5F, "NM70"}, +}; + +static void report_pch_info(struct device *dev) +{ + const u16 dev_id = pci_read_config16(dev, PCI_DEVICE_ID); + int i; + + const char *pch_type = "Unknown"; + for (i = 0; i < ARRAY_SIZE(pch_table); i++) { + if (pch_table[i].dev_id == dev_id) { + pch_type = pch_table[i].dev_name; + break; + } + } + printk(BIOS_INFO, "PCH: detected %s, device id: 0x%x, rev id 0x%x\n", + pch_type, dev_id, pci_read_config8(dev, PCI_CLASS_REVISION)); +} + static void lpc_init(struct device *dev) { printk(BIOS_DEBUG, "pch: lpc_init\n"); + /* Print detected platform */ + report_pch_info(dev); + /* Set the value for PCI command register. */ pci_write_config16(dev, PCI_COMMAND, 0x000f); |