diff options
| -rw-r--r-- | src/soc/intel/skylake/acpi/globalnvs.asl | 42 | ||||
| -rw-r--r-- | src/soc/intel/skylake/graphics.c | 21 | ||||
| -rw-r--r-- | src/soc/intel/skylake/include/soc/nvs.h | 37 |
3 files changed, 98 insertions, 2 deletions
diff --git a/src/soc/intel/skylake/acpi/globalnvs.asl b/src/soc/intel/skylake/acpi/globalnvs.asl index 5564f02df2..c4544e8a6e 100644 --- a/src/soc/intel/skylake/acpi/globalnvs.asl +++ b/src/soc/intel/skylake/acpi/globalnvs.asl @@ -71,6 +71,48 @@ Field (GNVS, ByteAcc, NoLock, Preserve) EMNA, 64, // 0x44 - 0x4B EPC base address ELNG, 64, // 0x4C - 0x53 EPC Length + /* IGD OpRegion */ + Offset (0xb4), + ASLB, 32, // 0xb4 - IGD OpRegion Base Address + IBTT, 8, // 0xb8 - IGD boot panel device + IPAT, 8, // 0xb9 - IGD panel type cmos option + ITVF, 8, // 0xba - IGD TV format cmos option + ITVM, 8, // 0xbb - IGD TV minor format option + IPSC, 8, // 0xbc - IGD panel scaling + IBLC, 8, // 0xbd - IGD BLC config + IBIA, 8, // 0xbe - IGD BIA config + ISSC, 8, // 0xbf - IGD SSC config + I409, 8, // 0xc0 - IGD 0409 modified settings + I509, 8, // 0xc1 - IGD 0509 modified settings + I609, 8, // 0xc2 - IGD 0609 modified settings + I709, 8, // 0xc3 - IGD 0709 modified settings + IDMM, 8, // 0xc4 - IGD Power conservation feature + IDMS, 8, // 0xc5 - IGD DVMT memory size + IF1E, 8, // 0xc6 - IGD function 1 enable + HVCO, 8, // 0xc7 - IGD HPLL VCO + NXD1, 32, // 0xc8 - IGD _DGS next DID1 + NXD2, 32, // 0xcc - IGD _DGS next DID2 + NXD3, 32, // 0xd0 - IGD _DGS next DID3 + NXD4, 32, // 0xd4 - IGD _DGS next DID4 + NXD5, 32, // 0xd8 - IGD _DGS next DID5 + NXD6, 32, // 0xdc - IGD _DGS next DID6 + NXD7, 32, // 0xe0 - IGD _DGS next DID7 + NXD8, 32, // 0xe4 - IGD _DGS next DID8 + + ISCI, 8, // 0xe8 - IGD SMI/SCI mode (0: SCI) + PAVP, 8, // 0xe9 - IGD PAVP data + Offset (0xeb), + OSCC, 8, // 0xeb - PCIe OSC control + NPCE, 8, // 0xec - native pcie support + PLFL, 8, // 0xed - platform flavor + BREV, 8, // 0xee - board revision + DPBM, 8, // 0xef - digital port b mode + DPCM, 8, // 0xf0 - digital port c mode + DPDM, 8, // 0xf1 - digital port d mode + ALFP, 8, // 0xf2 - active lfp + IMON, 8, // 0xf3 - current graphics turbo imon value + MMIO, 8, // 0xf4 - 64bit mmio support + /* ChromeOS specific */ Offset (0x100), #include <vendorcode/google/chromeos/acpi/gnvs.asl> diff --git a/src/soc/intel/skylake/graphics.c b/src/soc/intel/skylake/graphics.c index 95a37d673d..bda08c54c0 100644 --- a/src/soc/intel/skylake/graphics.c +++ b/src/soc/intel/skylake/graphics.c @@ -14,11 +14,13 @@ * GNU General Public License for more details. */ +#include <cbmem.h> #include <console/console.h> #include <device/pci.h> #include <drivers/intel/gma/i915_reg.h> #include <intelblocks/graphics.h> #include <drivers/intel/gma/opregion.h> +#include <soc/nvs.h> #include <soc/ramstage.h> uintptr_t fsp_soc_get_igd_bar(void) @@ -60,6 +62,21 @@ void graphics_soc_init(struct device *dev) /* Initialize PCI device, load/execute BIOS Option ROM */ pci_dev_init(dev); + + intel_gma_restore_opregion(); +} + +uintptr_t gma_get_gnvs_aslb(const void *gnvs) +{ + const global_nvs_t *gnvs_ptr = gnvs; + return (uintptr_t)(gnvs_ptr ? gnvs_ptr->aslb : 0); +} + +void gma_set_gnvs_aslb(void *gnvs, uintptr_t aslb) +{ + global_nvs_t *gnvs_ptr = gnvs; + if (gnvs_ptr) + gnvs_ptr->aslb = aslb; } /* Initialize IGD OpRegion, called from ACPI code */ @@ -72,6 +89,7 @@ uintptr_t graphics_soc_write_acpi_opregion(struct device *device, uintptr_t current, struct acpi_rsdp *rsdp) { igd_opregion_t *opregion; + global_nvs_t *gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); /* If GOP is not used, exit here */ if (!IS_ENABLED(CONFIG_INTEL_GMA_ADD_VBT_DATA_FILE)) @@ -86,7 +104,8 @@ uintptr_t graphics_soc_write_acpi_opregion(struct device *device, if (intel_gma_init_igd_opregion(opregion) != CB_SUCCESS) return current; - + if (gnvs) + gnvs->aslb = (u32)(uintptr_t)opregion; update_igd_opregion(opregion); current += sizeof(igd_opregion_t); current = acpi_align_current(current); diff --git a/src/soc/intel/skylake/include/soc/nvs.h b/src/soc/intel/skylake/include/soc/nvs.h index 8bc4d8dfe4..bd3610e654 100644 --- a/src/soc/intel/skylake/include/soc/nvs.h +++ b/src/soc/intel/skylake/include/soc/nvs.h @@ -62,7 +62,42 @@ typedef struct global_nvs_t { u8 ecps; /* 0x43 - SGX Enabled status */ u64 emna; /* 0x44 - 0x4B EPC base address */ u64 elng; /* 0x4C - 0x53 EPC Length */ - u8 unused[172]; + u8 rsvd[96]; + + /* IGD OpRegion */ + u32 aslb; /* 0xb4 - IGD OpRegion Base Address */ + u8 ibtt; /* 0xb8 - IGD boot type */ + u8 ipat; /* 0xb9 - IGD panel type */ + u8 itvf; /* 0xba - IGD TV format */ + u8 itvm; /* 0xbb - IGD TV minor format */ + u8 ipsc; /* 0xbc - IGD Panel Scaling */ + u8 iblc; /* 0xbd - IGD BLC configuration */ + u8 ibia; /* 0xbe - IGD BIA configuration */ + u8 issc; /* 0xbf - IGD SSC configuration */ + u8 i409; /* 0xc0 - IGD 0409 modified settings */ + u8 i509; /* 0xc1 - IGD 0509 modified settings */ + u8 i609; /* 0xc2 - IGD 0609 modified settings */ + u8 i709; /* 0xc3 - IGD 0709 modified settings */ + u8 idmm; /* 0xc4 - IGD Power Conservation */ + u8 idms; /* 0xc5 - IGD DVMT memory size */ + u8 if1e; /* 0xc6 - IGD Function 1 Enable */ + u8 hvco; /* 0xc7 - IGD HPLL VCO */ + u32 nxd[8]; /* 0xc8 - IGD next state DIDx for _DGS */ + u8 isci; /* 0xe8 - IGD SMI/SCI mode (0: SCI) */ + u8 pavp; /* 0xe9 - IGD PAVP data */ + u8 rsvd12; /* 0xea - rsvd */ + u8 oscc; /* 0xeb - PCIe OSC control */ + u8 npce; /* 0xec - native pcie support */ + u8 plfl; /* 0xed - platform flavor */ + u8 brev; /* 0xee - board revision */ + u8 dpbm; /* 0xef - digital port b mode */ + u8 dpcm; /* 0xf0 - digital port c mode */ + u8 dpdm; /* 0xf1 - digital port c mode */ + u8 alfp; /* 0xf2 - active lfp */ + u8 imon; /* 0xf3 - current graphics turbo imon value */ + u8 mmio; /* 0xf4 - 64bit mmio support */ + + u8 unused[11]; /* ChromeOS specific (0x100 - 0xfff) */ chromeos_acpi_t chromeos; |