diff options
| -rw-r--r-- | src/soc/intel/baytrail/Kconfig | 2 | ||||
| -rw-r--r-- | src/soc/intel/baytrail/acpi/globalnvs.asl | 42 | ||||
| -rw-r--r-- | src/soc/intel/baytrail/gfx.c | 46 | ||||
| -rw-r--r-- | src/soc/intel/baytrail/include/soc/nvs.h | 37 |
4 files changed, 126 insertions, 1 deletions
diff --git a/src/soc/intel/baytrail/Kconfig b/src/soc/intel/baytrail/Kconfig index 752e10a452..03b949c250 100644 --- a/src/soc/intel/baytrail/Kconfig +++ b/src/soc/intel/baytrail/Kconfig @@ -38,6 +38,8 @@ config CPU_SPECIFIC_OPTIONS select SOC_INTEL_COMMON select HAVE_INTEL_FIRMWARE select HAVE_SPI_CONSOLE_SUPPORT + select INTEL_GMA_ACPI + select INTEL_GMA_SWSMISCI config VBOOT select VBOOT_STARTS_IN_ROMSTAGE diff --git a/src/soc/intel/baytrail/acpi/globalnvs.asl b/src/soc/intel/baytrail/acpi/globalnvs.asl index 7218f67249..f33fcf6ae1 100644 --- a/src/soc/intel/baytrail/acpi/globalnvs.asl +++ b/src/soc/intel/baytrail/acpi/globalnvs.asl @@ -67,6 +67,48 @@ Field (GNVS, ByteAcc, NoLock, Preserve) TOLM, 32, // 0x34 - Top of Low Memory CBMC, 32, // 0x38 - coreboot mem console pointer + /* 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/baytrail/gfx.c b/src/soc/intel/baytrail/gfx.c index 57e13291ae..45bcd7ba7d 100644 --- a/src/soc/intel/baytrail/gfx.c +++ b/src/soc/intel/baytrail/gfx.c @@ -19,13 +19,16 @@ #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> +#include <drivers/intel/gma/opregion.h> #include <reg_script.h> #include <stdlib.h> #include <soc/gfx.h> #include <soc/iosf.h> +#include <soc/nvs.h> #include <soc/pci_devs.h> #include <soc/ramstage.h> +#include <cbmem.h> #include "chip.h" @@ -362,6 +365,19 @@ static void gfx_panel_setup(device_t dev) } } +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; +} + static void gfx_init(device_t dev) { /* Pre VBIOS Init */ @@ -377,6 +393,35 @@ static void gfx_init(device_t dev) /* Post VBIOS Init */ gfx_post_vbios_init(dev); + + /* Restore opregion on S3 resume */ + intel_gma_restore_opregion(); +} + +static unsigned long +gma_write_acpi_tables(struct device *const dev, + unsigned long current, + struct acpi_rsdp *const rsdp) +{ + igd_opregion_t *opregion = (igd_opregion_t *)current; + global_nvs_t *gnvs; + + if (intel_gma_init_igd_opregion(opregion) != CB_SUCCESS) + return current; + + current += sizeof(igd_opregion_t); + + /* GNVS has been already set up */ + gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); + if (gnvs) { + /* IGD OpRegion Base Address */ + gma_set_gnvs_aslb(gnvs, (uintptr_t)opregion); + } else { + printk(BIOS_ERR, "Error: GNVS table not found.\n"); + } + + current = acpi_align_current(current); + return current; } static struct device_operations gfx_device_ops = { @@ -385,6 +430,7 @@ static struct device_operations gfx_device_ops = { .enable_resources = pci_dev_enable_resources, .init = gfx_init, .ops_pci = &soc_pci_ops, + .write_acpi_tables = gma_write_acpi_tables, }; static const struct pci_driver gfx_driver __pci_driver = { diff --git a/src/soc/intel/baytrail/include/soc/nvs.h b/src/soc/intel/baytrail/include/soc/nvs.h index fdc4e10e6c..21cdb142a4 100644 --- a/src/soc/intel/baytrail/include/soc/nvs.h +++ b/src/soc/intel/baytrail/include/soc/nvs.h @@ -59,7 +59,42 @@ typedef struct global_nvs_t { u32 obsolete_cmem; /* 0x30 - CBMEM TOC */ u32 tolm; /* 0x34 - Top of Low Memory */ u32 cbmc; /* 0x38 - coreboot memconsole */ - u8 rsvd3[196]; + u8 rsvd3[120]; /* 0x3c - 0xb3 - unused */ + + /* 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; |