diff options
Diffstat (limited to 'src/northbridge/amd/amdk8/reset_test.c')
-rw-r--r-- | src/northbridge/amd/amdk8/reset_test.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/src/northbridge/amd/amdk8/reset_test.c b/src/northbridge/amd/amdk8/reset_test.c deleted file mode 100644 index 214aed448a..0000000000 --- a/src/northbridge/amd/amdk8/reset_test.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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; version 2 of the License. - * - * 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. - */ - -#include <device/pci_ops.h> -#include <stdint.h> -#include <cpu/x86/lapic.h> -#include "amdk8.h" - -static inline int cpu_init_detected(unsigned int nodeid) -{ - u32 htic; - pci_devfn_t dev; - - dev = PCI_DEV(0, 0x18 + nodeid, 0); - htic = pci_io_read_config32(dev, HT_INIT_CONTROL); - - return !!(htic & HTIC_INIT_Detect); -} - -static inline int bios_reset_detected(void) -{ - u32 htic; - htic = pci_io_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL); - - return (htic & HTIC_ColdR_Detect) && !(htic & HTIC_BIOSR_Detect); -} - -static inline int cold_reset_detected(void) -{ - u32 htic; - htic = pci_io_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL); - - return !(htic & HTIC_ColdR_Detect); -} - -void distinguish_cpu_resets(unsigned int nodeid) -{ - u32 htic; - pci_devfn_t device; - device = PCI_DEV(0, 0x18 + nodeid, 0); - htic = pci_io_read_config32(device, HT_INIT_CONTROL); - htic |= HTIC_ColdR_Detect | HTIC_BIOSR_Detect | HTIC_INIT_Detect; - pci_io_write_config32(device, HT_INIT_CONTROL, htic); -} - -void set_bios_reset(void) -{ - u32 htic; - htic = pci_io_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL); - htic &= ~HTIC_BIOSR_Detect; - pci_io_write_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL, htic); -} - -static unsigned int node_link_to_bus(unsigned int node, unsigned int link) -{ - u8 reg; - - for (reg = 0xE0; reg < 0xF0; reg += 0x04) { - u32 config_map; - config_map = pci_io_read_config32(PCI_DEV(0, 0x18, 1), reg); - if ((config_map & 3) != 3) { - continue; - } - if ((((config_map >> 4) & 7) == node) && - (((config_map >> 8) & 3) == link)) - { - return (config_map >> 16) & 0xff; - } - } - return 0; -} - -unsigned int get_sblk(void) -{ - u32 reg; - /* read PCI_DEV(0,0x18,0) 0x64 bit [8:9] to find out SbLink m */ - reg = pci_io_read_config32(PCI_DEV(0, 0x18, 0), 0x64); - return ((reg>>8) & 3); -} - -unsigned int get_sbbusn(unsigned int sblk) -{ - return node_link_to_bus(0, sblk); -} |