diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/amd/model_10xxx/fidvid.c | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/src/cpu/amd/model_10xxx/fidvid.c b/src/cpu/amd/model_10xxx/fidvid.c index 7ce2aea193..2d704011b0 100644 --- a/src/cpu/amd/model_10xxx/fidvid.c +++ b/src/cpu/amd/model_10xxx/fidvid.c @@ -179,32 +179,16 @@ static void recalculateVsSlamTimeSettingOnCorePre(device_t dev) pci_write_config32(dev, 0xd8, dtemp); } -static void config_clk_power_ctrl_reg0(int node) { - u32 dword; - device_t dev = NODE_PCI(node, 3); - /* Program fields in Clock Power/Control register0 (F3xD4) */ - - /* set F3xD4 Clock Power/Timing Control 0 Register - * NbClkDidApplyAll=1b - * NbClkDid=100b - * PowerStepUp= "platform dependent" - * PowerStepDown= "platform dependent" - * LinkPllLink=01b - * ClkRampHystSel=HW default - */ +static u32 power_up_down(int node) { + u32 dword=0; /* check platform type */ if (!(get_platform_type() & AMD_PTYPE_SVR)) { /* For non-server platform * PowerStepUp=01000b - 50nS * PowerStepDown=01000b - 50ns */ - dword = pci_read_config32(dev, 0xd4); - dword &= CPTC0_MASK; - dword |= NB_CLKDID_ALL | NB_CLKDID | PW_STP_UP50 | PW_STP_DN50 | LNK_PLL_LOCK; /* per BKDG */ - pci_write_config32(dev, 0xd4, dword); + dword |= PW_STP_UP50 | PW_STP_DN50 ; } else { - dword = pci_read_config32(dev, 0xd4); - dword &= CPTC0_MASK; /* get number of cores for PowerStepUp & PowerStepDown in server 1 core - 400nS - 0000b 2 cores - 200nS - 0010b @@ -226,9 +210,31 @@ static void config_clk_power_ctrl_reg0(int node) { dword |= PW_STP_UP100 | PW_STP_DN100; break; } - dword |= NB_CLKDID_ALL | NB_CLKDID | LNK_PLL_LOCK; - pci_write_config32(dev, 0xd4, dword); } + return dword; +} + +static void config_clk_power_ctrl_reg0(int node) { + device_t dev = NODE_PCI(node, 3); + + + /* Program fields in Clock Power/Control register0 (F3xD4) */ + + /* set F3xD4 Clock Power/Timing Control 0 Register + * NbClkDidApplyAll=1b + * NbClkDid=100b + * PowerStepUp= "platform dependent" + * PowerStepDown= "platform dependent" + * LinkPllLink=01b + * ClkRampHystSel=HW default + */ + u32 dword= pci_read_config32(dev, 0xd4); + dword &= CPTC0_MASK; + dword |= NB_CLKDID_ALL | NB_CLKDID | LNK_PLL_LOCK; /* per BKDG */ + dword |= power_up_down(node); + + pci_write_config32(dev, 0xd4, dword); + } static void config_power_ctrl_misc_reg(device_t dev) { |