diff options
Diffstat (limited to 'src/northbridge/intel/i945/northbridge.c')
| -rw-r--r-- | src/northbridge/intel/i945/northbridge.c | 35 |
1 files changed, 8 insertions, 27 deletions
diff --git a/src/northbridge/intel/i945/northbridge.c b/src/northbridge/intel/i945/northbridge.c index eb8e321f31..b8a225562b 100644 --- a/src/northbridge/intel/i945/northbridge.c +++ b/src/northbridge/intel/i945/northbridge.c @@ -59,8 +59,8 @@ static int get_pcie_bar(u32 *base) static void pci_domain_set_resources(struct device *dev) { - uint32_t pci_tolm; - uint8_t tolud, reg8; + uint32_t pci_tolm, tseg_sizek; + uint8_t tolud; uint16_t reg16; unsigned long long tomk, tomk_stolen; uint64_t uma_memory_base = 0, uma_memory_size = 0; @@ -95,31 +95,12 @@ static void pci_domain_set_resources(struct device *dev) uma_memory_size = uma_size * 1024ULL; } - reg8 = pci_read_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), ESMRAMC); - if (reg8 & 1) { - int tseg_size = 0; - printk(BIOS_DEBUG, "TSEG decoded, subtracting "); - reg8 >>= 1; - reg8 &= 3; - switch (reg8) { - case 0: - tseg_size = 1024; - break; /* TSEG = 1M */ - case 1: - tseg_size = 2048; - break; /* TSEG = 2M */ - case 2: - tseg_size = 8192; - break; /* TSEG = 8M */ - } - - printk(BIOS_DEBUG, "%dM\n", tseg_size >> 10); - tomk_stolen -= tseg_size; - - /* For reserving TSEG memory in the memory map */ - tseg_memory_base = tomk_stolen * 1024ULL; - tseg_memory_size = tseg_size * 1024ULL; - } + tseg_sizek = decode_tseg_size(pci_read_config8(dev_find_slot(0, + PCI_DEVFN(0, 0)), ESMRAMC)) >> 10; + printk(BIOS_DEBUG, "TSEG decoded, subtracting %dM\n", tseg_sizek >> 10); + tomk_stolen -= tseg_sizek; + tseg_memory_base = tomk_stolen * 1024ULL; + tseg_memory_size = tseg_sizek * 1024ULL; /* The following needs to be 2 lines, otherwise the second * number is always 0 |