diff options
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/amd64_edac.c | 55 | ||||
| -rw-r--r-- | drivers/edac/amd64_edac.h | 4 |
2 files changed, 0 insertions, 59 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 98c0150800dc..9efa88a9fdf5 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -1204,31 +1204,6 @@ static int f10_dbam_to_chip_select(struct amd64_pvt *pvt, int cs_mode) return dbam_map[cs_mode]; } -/* Enable extended configuration access via 0xCF8 feature */ -static void amd64_setup(struct amd64_pvt *pvt) -{ - u32 reg; - - amd64_read_pci_cfg(pvt->F3, F10_NB_CFG_HIGH, ®); - - pvt->flags.cf8_extcfg = !!(reg & F10_NB_CFG_LOW_ENABLE_EXT_CFG); - reg |= F10_NB_CFG_LOW_ENABLE_EXT_CFG; - pci_write_config_dword(pvt->F3, F10_NB_CFG_HIGH, reg); -} - -/* Restore the extended configuration access via 0xCF8 feature */ -static void amd64_teardown(struct amd64_pvt *pvt) -{ - u32 reg; - - amd64_read_pci_cfg(pvt->F3, F10_NB_CFG_HIGH, ®); - - reg &= ~F10_NB_CFG_LOW_ENABLE_EXT_CFG; - if (pvt->flags.cf8_extcfg) - reg |= F10_NB_CFG_LOW_ENABLE_EXT_CFG; - pci_write_config_dword(pvt->F3, F10_NB_CFG_HIGH, reg); -} - static u64 f10_get_error_address(struct mem_ctl_info *mci, struct err_regs *info) { @@ -1251,8 +1226,6 @@ static void f10_read_dram_base_limit(struct amd64_pvt *pvt, int dram) /* read the 'raw' DRAM BASE Address register */ amd64_read_pci_cfg(pvt->F1, low_offset, &low_base); - - /* Read from the ECS data register */ amd64_read_pci_cfg(pvt->F1, high_offset, &high_base); /* Extract parts into separate data entries */ @@ -1271,8 +1244,6 @@ static void f10_read_dram_base_limit(struct amd64_pvt *pvt, int dram) /* read the 'raw' LIMIT registers */ amd64_read_pci_cfg(pvt->F1, low_offset, &low_limit); - - /* Read from the ECS data register for the HIGH portion */ amd64_read_pci_cfg(pvt->F1, high_offset, &high_limit); pvt->dram_DstNode[dram] = (low_limit & 0x7); @@ -2560,18 +2531,6 @@ static struct amd64_family_type *amd64_per_family_init(struct amd64_pvt *pvt) return fam_type; } -/* - * Init stuff for this DRAM Controller device. - * - * Due to a hardware feature on Fam10h CPUs, the Enable Extended Configuration - * Space feature MUST be enabled on ALL Processors prior to actually reading - * from the ECS registers. Since the loading of the module can occur on any - * 'core', and cores don't 'see' all the other processors ECS data when the - * others are NOT enabled. Our solution is to first enable ECS access in this - * routine on all processors, gather some data in a amd64_pvt structure and - * later come back in a finish-setup function to perform that final - * initialization. See also amd64_init_2nd_stage() for that. - */ static int amd64_probe_one_instance(struct pci_dev *F2) { struct amd64_pvt *pvt = NULL; @@ -2603,14 +2562,6 @@ static int amd64_probe_one_instance(struct pci_dev *F2) goto err_put; /* - * Key operation here: setup of HW prior to performing ops on it. Some - * setup is required to access ECS data. After this is performed, the - * 'teardown' function must be called upon error and normal exit paths. - */ - if (boot_cpu_data.x86 >= 0x10) - amd64_setup(pvt); - - /* * Save the pointer to the private data for use in 2nd initialization * stage */ @@ -2690,9 +2641,6 @@ err_exit: amd64_restore_ecc_error_reporting(pvt); - if (boot_cpu_data.x86 > 0xf) - amd64_teardown(pvt); - amd64_free_mc_sibling_devices(pvt); kfree(pvts[pvt->mc_node_id]); @@ -2734,9 +2682,6 @@ static void __devexit amd64_remove_one_instance(struct pci_dev *pdev) amd64_restore_ecc_error_reporting(pvt); - if (boot_cpu_data.x86 > 0xf) - amd64_teardown(pvt); - amd64_free_mc_sibling_devices(pvt); /* unregister from EDAC MCE */ diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h index 5538cc19cf4a..4bc6f183d97c 100644 --- a/drivers/edac/amd64_edac.h +++ b/drivers/edac/amd64_edac.h @@ -335,9 +335,6 @@ #define K8_SCRCTRL 0x58 #define F10_NB_CFG_LOW 0x88 -#define F10_NB_CFG_LOW_ENABLE_EXT_CFG BIT(14) - -#define F10_NB_CFG_HIGH 0x8C #define F10_ONLINE_SPARE 0xB0 #define F10_ONLINE_SPARE_SWAPDONE0(x) ((x) & BIT(1)) @@ -476,7 +473,6 @@ struct amd64_pvt { /* misc settings */ struct flags { - unsigned long cf8_extcfg:1; unsigned long nb_mce_enable:1; unsigned long nb_ecc_prev:1; } flags; |