diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/amd/model_10xxx/fidvid.c | 99 |
1 files changed, 53 insertions, 46 deletions
diff --git a/src/cpu/amd/model_10xxx/fidvid.c b/src/cpu/amd/model_10xxx/fidvid.c index b8cb4b295d..def07660eb 100644 --- a/src/cpu/amd/model_10xxx/fidvid.c +++ b/src/cpu/amd/model_10xxx/fidvid.c @@ -179,6 +179,58 @@ 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 + */ + /* 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); + } 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 + 3 cores - 133nS -> 100nS - 0011b + 4 cores - 100nS - 0011b + */ + switch (get_core_num_in_bsp(node)) { + case 0: + dword |= PW_STP_UP400 | PW_STP_DN400; + break; + case 1: + case 2: + dword |= PW_STP_UP200 | PW_STP_DN200; + break; + case 3: + dword |= PW_STP_UP100 | PW_STP_DN100; + break; + default: + dword |= PW_STP_UP100 | PW_STP_DN100; + break; + } + dword |= NB_CLKDID_ALL | NB_CLKDID | LNK_PLL_LOCK; + pci_write_config32(dev, 0xd4, dword); + } +} + static void prep_fid_change(void) { u32 dword, dtemp; @@ -199,52 +251,7 @@ static void prep_fid_change(void) /* Figure out the value for VsSlamTime and program it */ recalculateVsSlamTimeSettingOnCorePre(dev); - /* 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 - */ - /* 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); - } 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 - 3 cores - 133nS -> 100nS - 0011b - 4 cores - 100nS - 0011b - */ - switch (get_core_num_in_bsp(i)) { - case 0: - dword |= PW_STP_UP400 | PW_STP_DN400; - break; - case 1: - case 2: - dword |= PW_STP_UP200 | PW_STP_DN200; - break; - case 3: - dword |= PW_STP_UP100 | PW_STP_DN100; - break; - default: - dword |= PW_STP_UP100 | PW_STP_DN100; - break; - } - dword |= NB_CLKDID_ALL | NB_CLKDID | LNK_PLL_LOCK; - pci_write_config32(dev, 0xd4, dword); - } + config_clk_power_ctrl_reg0(i); /* check PVI/SVI */ dword = pci_read_config32(dev, 0xA0); |