diff options
Diffstat (limited to 'src/northbridge/amd/agesa/family12/northbridge.c')
-rw-r--r-- | src/northbridge/amd/agesa/family12/northbridge.c | 65 |
1 files changed, 63 insertions, 2 deletions
diff --git a/src/northbridge/amd/agesa/family12/northbridge.c b/src/northbridge/amd/agesa/family12/northbridge.c index 21d8fb4196..f50a643ca2 100644 --- a/src/northbridge/amd/agesa/family12/northbridge.c +++ b/src/northbridge/amd/agesa/family12/northbridge.c @@ -45,6 +45,69 @@ static struct device *__f2_dev[FX_DEVS]; static struct device *__f4_dev[FX_DEVS]; static unsigned fx_devs = 0; +struct dram_base_mask_t { + u32 base; //[47:27] at [28:8] + u32 mask; //[47:27] at [28:8] and enable at bit 0 +}; + +static struct dram_base_mask_t get_dram_base_mask(u32 nodeid) +{ + struct device *dev; + struct dram_base_mask_t d; +#if defined(__PRE_RAM__) + dev = PCI_DEV(0, DEV_CDB, 1); +#else + dev = __f1_dev[0]; +#endif // defined(__PRE_RAM__) + + u32 temp; + temp = pci_read_config32(dev, 0x44); //[39:24] at [31:16] + d.mask = (temp & 0xffff0000); // mask out DramMask [26:24] too + + temp = pci_read_config32(dev, 0x40); //[35:24] at [27:16] + d.mask |= (temp & 1); // read enable bit + + d.base = (temp & 0x0fff0000); // mask out DramBase [26:24) too + + return d; +} + +static u32 get_io_addr_index(u32 nodeid, u32 linkn) +{ + return 0; +} + +static u32 get_mmio_addr_index(u32 nodeid, u32 linkn) +{ + return 0; +} + +static void set_io_addr_reg(struct device *dev, u32 nodeid, u32 linkn, u32 reg, + u32 io_min, u32 io_max) +{ + + u32 tempreg; + /* io range allocation */ + tempreg = (nodeid & 0xf) | ((nodeid & 0x30) << (8 - 4)) | (linkn << 4) | + ((io_max & 0xf0) << (12 - 4)); //limit + pci_write_config32(__f1_dev[0], reg+4, tempreg); + + tempreg = 3 | ((io_min & 0xf0) << (12 - 4)); //base :ISA and VGA ? + pci_write_config32(__f1_dev[0], reg, tempreg); +} + +static void set_mmio_addr_reg(u32 nodeid, u32 linkn, u32 reg, u32 index, + u32 mmio_min, u32 mmio_max, u32 nodes) +{ + + u32 tempreg; + /* io range allocation */ + tempreg = (nodeid & 0xf) | (linkn << 4) | (mmio_max & 0xffffff00); + pci_write_config32(__f1_dev[0], reg+4, tempreg); + tempreg = 3 | (nodeid & 0x30) | (mmio_min&0xffffff00); + pci_write_config32(__f1_dev[0], reg, tempreg); +} + static struct device *get_node_pci(u32 nodeid, u32 fn) { return pcidev_on_root(DEV_CDB + nodeid, fn); @@ -93,8 +156,6 @@ static u32 amdfam12_nodeid(struct device *dev) return (dev->path.pci.devfn >> 3) - DEV_CDB; } -#include "amdfam12_conf.c" - static void northbridge_init(struct device *dev) { printk(BIOS_DEBUG, "Northbridge init\n"); |