diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/amd/stoneyridge/Kconfig | 8 | ||||
| -rw-r--r-- | src/soc/amd/stoneyridge/northbridge.c | 64 |
2 files changed, 11 insertions, 61 deletions
diff --git a/src/soc/amd/stoneyridge/Kconfig b/src/soc/amd/stoneyridge/Kconfig index f8768e7ea7..1e13cc0383 100644 --- a/src/soc/amd/stoneyridge/Kconfig +++ b/src/soc/amd/stoneyridge/Kconfig @@ -110,14 +110,6 @@ config BOTTOMIO_POSITION option is useful when PCI peripherals requesting large address ranges are present. -config HW_MEM_HOLE_SIZEK - hex - default 0x200000 - -config HW_MEM_HOLE_SIZE_AUTO_INC - bool - default n - config MMCONF_BASE_ADDRESS hex default 0xF8000000 diff --git a/src/soc/amd/stoneyridge/northbridge.c b/src/soc/amd/stoneyridge/northbridge.c index 79336d820e..922342971c 100644 --- a/src/soc/amd/stoneyridge/northbridge.c +++ b/src/soc/amd/stoneyridge/northbridge.c @@ -412,71 +412,29 @@ void domain_enable_resources(device_t dev) printk(BIOS_DEBUG, " ader - leaving domain_enable_resources.\n"); } -#if CONFIG_HW_MEM_HOLE_SIZEK != 0 -struct hw_mem_hole_info { - unsigned int hole_startk; - int node_id; -}; - -static struct hw_mem_hole_info get_hw_mem_hole_info(void) -{ - struct hw_mem_hole_info mem_hole; - mem_hole.hole_startk = CONFIG_HW_MEM_HOLE_SIZEK; - mem_hole.node_id = -1; - dram_base_mask_t d; - u32 hole; - d = get_dram_base_mask(); - hole = pci_read_config32(dev_find_slot(0, ADDR_DEVFN), 0xf0); - if (hole & 2) { - /* We found the hole */ - mem_hole.hole_startk = (hole & (0xff << 24)) >> 10; - mem_hole.node_id = 0; /* record the node # with hole */ - } - - return mem_hole; -} -#endif - void domain_set_resources(device_t dev) { unsigned long mmio_basek; u32 pci_tolm; + u32 hole; int idx; struct bus *link; -#if CONFIG_HW_MEM_HOLE_SIZEK != 0 - struct hw_mem_hole_info mem_hole; - u32 reset_memhole = 1; -#endif pci_tolm = 0xffffffffUL; for (link = dev->link_list ; link ; link = link->next) pci_tolm = find_pci_tolm(link); - mmio_basek = pci_tolm >> 10; - /* Round mmio_basek to something the processor can support */ - mmio_basek &= ~((1 << 6) - 1); - - /* FIXME improve mtrr.c so we don't use up all of the mtrrs with a 64M - * MMIO hole. If you fix this here, please fix amdk8, too. - */ - /* Round the mmio hole to 64M */ - mmio_basek &= ~((64 * 1024) - 1); - -#if CONFIG_HW_MEM_HOLE_SIZEK != 0 - /* if the hw mem hole is already set in raminit stage, here we will - * compare mmio_basek and hole_basek. if mmio_basek is bigger that - * hole_basek and will use hole_basek as mmio_basek and we don't need - * to reset hole. Otherwise we reset the hole to the mmio_basek - */ - - mem_hole = get_hw_mem_hole_info(); + /* Start with alignment supportable in variable MTRR */ + mmio_basek = ALIGN_DOWN(pci_tolm, 4 * KiB) / KiB; - /* Use hole_basek as mmio_basek, and no need to reset hole anymore */ - if ((mem_hole.node_id != -1) && (mmio_basek > mem_hole.hole_startk)) { - mmio_basek = mem_hole.hole_startk; - reset_memhole = 0; - } -#endif + /* + * AGESA may have programmed the memory hole and rounded down to a + * 128MB boundary. If we find it's valid, adjust mmio_basek downward + * to the hole bottom. D18F1xF0[DramHoleBase] is granular to 16MB. + */ + hole = pci_read_config32(dev_find_slot(0, ADDR_DEVFN), D18F1_DRAM_HOLE); + if (hole & DRAM_HOLE_VALID) + mmio_basek = min(mmio_basek, ALIGN_DOWN(hole, 16 * MiB) / KiB); idx = 0x10; dram_base_mask_t d; |