diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/braswell/chip.c | 81 | ||||
| -rw-r--r-- | src/soc/intel/braswell/include/soc/ramstage.h | 71 |
2 files changed, 152 insertions, 0 deletions
diff --git a/src/soc/intel/braswell/chip.c b/src/soc/intel/braswell/chip.c index 91cb3843bf..e0c1a511d3 100644 --- a/src/soc/intel/braswell/chip.c +++ b/src/soc/intel/braswell/chip.c @@ -169,6 +169,7 @@ void soc_silicon_init_params(SILICON_INIT_UPD *params) params->I2C4Frequency = config->I2C4Frequency; params->I2C5Frequency = config->I2C5Frequency; params->I2C6Frequency = config->I2C6Frequency; + } void soc_display_silicon_init_params(const SILICON_INIT_UPD *old, @@ -363,3 +364,83 @@ static void pci_set_subsystem(device_t dev, unsigned int vendor, struct pci_operations soc_pci_ops = { .set_subsystem = &pci_set_subsystem, }; + +/** + Return SoC stepping type + + @retval SOC_STEPPING SoC stepping type +**/ +int SocStepping(void) +{ + device_t dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC)); + u8 revid = pci_read_config8(dev, 0x8); + + switch (revid & B_PCH_LPC_RID_STEPPING_MASK) { + case V_PCH_LPC_RID_A0: + return SocA0; + case V_PCH_LPC_RID_A1: + return SocA1; + case V_PCH_LPC_RID_A2: + return SocA2; + case V_PCH_LPC_RID_A3: + return SocA3; + case V_PCH_LPC_RID_A4: + return SocA4; + case V_PCH_LPC_RID_A5: + return SocA5; + case V_PCH_LPC_RID_A6: + return SocA6; + case V_PCH_LPC_RID_A7: + return SocA7; + case V_PCH_LPC_RID_B0: + return SocB0; + case V_PCH_LPC_RID_B1: + return SocB1; + case V_PCH_LPC_RID_B2: + return SocB2; + case V_PCH_LPC_RID_B3: + return SocB3; + case V_PCH_LPC_RID_B4: + return SocB4; + case V_PCH_LPC_RID_B5: + return SocB5; + case V_PCH_LPC_RID_B6: + return SocB6; + case V_PCH_LPC_RID_B7: + return SocB7; + case V_PCH_LPC_RID_C0: + return SocC0; + case V_PCH_LPC_RID_C1: + return SocC1; + case V_PCH_LPC_RID_C2: + return SocC2; + case V_PCH_LPC_RID_C3: + return SocC3; + case V_PCH_LPC_RID_C4: + return SocC4; + case V_PCH_LPC_RID_C5: + return SocC5; + case V_PCH_LPC_RID_C6: + return SocC6; + case V_PCH_LPC_RID_C7: + return SocC7; + case V_PCH_LPC_RID_D0: + return SocD0; + case V_PCH_LPC_RID_D1: + return SocD1; + case V_PCH_LPC_RID_D2: + return SocD2; + case V_PCH_LPC_RID_D3: + return SocD3; + case V_PCH_LPC_RID_D4: + return SocD4; + case V_PCH_LPC_RID_D5: + return SocD5; + case V_PCH_LPC_RID_D6: + return SocD6; + case V_PCH_LPC_RID_D7: + return SocD7; + default: + return SocSteppingMax; + } +} diff --git a/src/soc/intel/braswell/include/soc/ramstage.h b/src/soc/intel/braswell/include/soc/ramstage.h index 07b6633b36..e67cc3b2f6 100644 --- a/src/soc/intel/braswell/include/soc/ramstage.h +++ b/src/soc/intel/braswell/include/soc/ramstage.h @@ -21,6 +21,76 @@ #include <device/device.h> #include <fsp/ramstage.h> +#define V_PCH_LPC_RID_A0 0x00 // A0 Stepping +#define V_PCH_LPC_RID_A1 0x04 // A1 Stepping +#define V_PCH_LPC_RID_A2 0x08 // A2 Stepping +#define V_PCH_LPC_RID_A3 0x0C // A3 Stepping +#define V_PCH_LPC_RID_A4 0x80 // A4 Stepping +#define V_PCH_LPC_RID_A5 0x84 // A5 Stepping +#define V_PCH_LPC_RID_A6 0x88 // A6 Stepping +#define V_PCH_LPC_RID_A7 0x8C // A7 Stepping +#define V_PCH_LPC_RID_B0 0x10 // B0 Stepping +#define V_PCH_LPC_RID_B1 0x14 // B1 Stepping +#define V_PCH_LPC_RID_B2 0x18 // B2 Stepping +#define V_PCH_LPC_RID_B3 0x1C // B3 Stepping +#define V_PCH_LPC_RID_B4 0x90 // B4 Stepping +#define V_PCH_LPC_RID_B5 0x94 // B5 Stepping +#define V_PCH_LPC_RID_B6 0x98 // B6 Stepping +#define V_PCH_LPC_RID_B7 0x9C // B7 Stepping +#define V_PCH_LPC_RID_C0 0x20 // C0 Stepping +#define V_PCH_LPC_RID_C1 0x24 // C1 Stepping +#define V_PCH_LPC_RID_C2 0x28 // C2 Stepping +#define V_PCH_LPC_RID_C3 0x2C // C3 Stepping +#define V_PCH_LPC_RID_C4 0xA0 // C4 Stepping +#define V_PCH_LPC_RID_C5 0xA4 // C5 Stepping +#define V_PCH_LPC_RID_C6 0xA8 // C6 Stepping +#define V_PCH_LPC_RID_C7 0xAC // C7 Stepping +#define V_PCH_LPC_RID_D0 0x30 // D0 Stepping +#define V_PCH_LPC_RID_D1 0x34 // D1 Stepping +#define V_PCH_LPC_RID_D2 0x38 // D2 Stepping +#define V_PCH_LPC_RID_D3 0x3C // D3 Stepping +#define V_PCH_LPC_RID_D4 0xB0 // D4 Stepping +#define V_PCH_LPC_RID_D5 0xB4 // D5 Stepping +#define V_PCH_LPC_RID_D6 0xB8 // D6 Stepping +#define V_PCH_LPC_RID_D7 0xBC // D7 Stepping +#define B_PCH_LPC_RID_STEPPING_MASK 0xFC // SoC Stepping Mask (Ignoring Package Type) + +enum { + SocA0 = 0, + SocA1 = 1, + SocA2 = 2, + SocA3 = 3, + SocA4 = 4, + SocA5 = 5, + SocA6 = 6, + SocA7 = 7, + SocB0 = 8, + SocB1 = 9, + SocB2 = 10, + SocB3 = 11, + SocB4 = 12, + SocB5 = 13, + SocB6 = 14, + SocB7 = 15, + SocC0 = 16, + SocC1 = 17, + SocC2 = 18, + SocC3 = 19, + SocC4 = 20, + SocC5 = 21, + SocC6 = 22, + SocC7 = 23, + SocD0 = 24, + SocD1 = 25, + SocD2 = 26, + SocD3 = 27, + SocD4 = 28, + SocD5 = 29, + SocD6 = 30, + SocD7 = 31, + SocSteppingMax +}; + /* * The soc_init_pre_device() function is called prior to device * initialization, but it's after console and cbmem has been reinitialized. @@ -30,6 +100,7 @@ void soc_init_cpus(device_t dev); void set_max_freq(void); void southcluster_enable_dev(device_t dev); void scc_enable_acpi_mode(device_t dev, int iosf_reg, int nvs_index); +int SocStepping(void); extern struct pci_operations soc_pci_ops; |