diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/fsp_sandybridge/Kconfig | 2 | ||||
| -rw-r--r-- | src/northbridge/intel/fsp_sandybridge/acpi.c | 142 | ||||
| -rw-r--r-- | src/northbridge/intel/fsp_sandybridge/gma.c | 50 | ||||
| -rw-r--r-- | src/northbridge/intel/fsp_sandybridge/northbridge.h | 5 |
4 files changed, 40 insertions, 159 deletions
diff --git a/src/northbridge/intel/fsp_sandybridge/Kconfig b/src/northbridge/intel/fsp_sandybridge/Kconfig index 89326b4b5c..5446ba389b 100644 --- a/src/northbridge/intel/fsp_sandybridge/Kconfig +++ b/src/northbridge/intel/fsp_sandybridge/Kconfig @@ -18,11 +18,13 @@ config NORTHBRIDGE_INTEL_FSP_SANDYBRIDGE bool select CPU_INTEL_FSP_MODEL_206AX select INTEL_GMA_ACPI + select NORTHBRIDGE_INTEL_COMMON_GMA_OPREGION config NORTHBRIDGE_INTEL_FSP_IVYBRIDGE bool select CPU_INTEL_FSP_MODEL_306AX select INTEL_GMA_ACPI + select NORTHBRIDGE_INTEL_COMMON_GMA_OPREGION if NORTHBRIDGE_INTEL_FSP_IVYBRIDGE || NORTHBRIDGE_INTEL_FSP_SANDYBRIDGE diff --git a/src/northbridge/intel/fsp_sandybridge/acpi.c b/src/northbridge/intel/fsp_sandybridge/acpi.c index a30cb7a576..28df4a5151 100644 --- a/src/northbridge/intel/fsp_sandybridge/acpi.c +++ b/src/northbridge/intel/fsp_sandybridge/acpi.c @@ -16,18 +16,10 @@ */ #include <types.h> -#include <string.h> -#include <console/console.h> -#include <arch/io.h> -#include <arch/acpi.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> -#include <drivers/intel/gma/i915.h> -#include <arch/acpigen.h> #include "northbridge.h" -#include <cbmem.h> -#include <drivers/intel/gma/intel_bios.h> unsigned long acpi_fill_mcfg(unsigned long current) { @@ -73,137 +65,3 @@ unsigned long acpi_fill_mcfg(unsigned long current) return current; } - -static void *get_intel_vbios(void) -{ - /* This should probably be looking at CBFS or we should always - * deploy the VBIOS on Intel systems, even if we don't run it - * in coreboot (e.g. SeaBIOS only scenarios). - */ - u8 *vbios = (u8 *)0xc0000; - - optionrom_header_t *oprom = (optionrom_header_t *)vbios; - optionrom_pcir_t *pcir = (optionrom_pcir_t *)(vbios + - oprom->pcir_offset); - - - printk(BIOS_DEBUG, "GET_VBIOS: %x %x %x %x %x\n", - oprom->signature, pcir->vendor, pcir->classcode[0], - pcir->classcode[1], pcir->classcode[2]); - - - if ((oprom->signature == OPROM_SIGNATURE) && - (pcir->vendor == PCI_VENDOR_ID_INTEL) && - (pcir->classcode[0] == 0x00) && - (pcir->classcode[1] == 0x00) && - (pcir->classcode[2] == 0x03)) - return (void *)vbios; - - return NULL; -} - -static int init_opregion_vbt(igd_opregion_t *opregion) -{ - void *vbios; - vbios = get_intel_vbios(); - if (!vbios) { - printk(BIOS_DEBUG, "VBIOS not found.\n"); - return 1; - } - - printk(BIOS_DEBUG, " ... VBIOS found at %p\n", vbios); - optionrom_header_t *oprom = (optionrom_header_t *)vbios; - optionrom_vbt_t *vbt = (optionrom_vbt_t *)(vbios + - oprom->vbt_offset); - - if (read32(vbt->hdr_signature) != VBT_SIGNATURE) { - printk(BIOS_DEBUG, "VBT not found!\n"); - return 1; - } - - memcpy(opregion->header.vbios_version, vbt->coreblock_biosbuild, 4); - memcpy(opregion->vbt.gvd1, vbt, vbt->hdr_vbt_size < 7168 ? - vbt->hdr_vbt_size : 7168); - - return 0; -} - - -/* Initialize IGD OpRegion, called from ACPI code */ -int init_igd_opregion(igd_opregion_t *opregion) -{ - device_t igd; - u16 reg16; - - memset((void *)opregion, 0, sizeof(igd_opregion_t)); - - // FIXME if IGD is disabled, we should exit here. - - memcpy(&opregion->header.signature, IGD_OPREGION_SIGNATURE, - sizeof(opregion->header.signature)); - - /* 8kb */ - opregion->header.size = sizeof(igd_opregion_t) / 1024; - opregion->header.version = IGD_OPREGION_VERSION; - - // FIXME We just assume we're mobile for now - opregion->header.mailboxes = MAILBOXES_MOBILE; - - // TODO Initialize Mailbox 1 - - // TODO Initialize Mailbox 3 - opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS; - opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH; - opregion->mailbox3.pcft = 0; // should be (IMON << 1) & 0x3e - opregion->mailbox3.cblv = IGD_FIELD_VALID | IGD_INITIAL_BRIGHTNESS; - opregion->mailbox3.bclm[0] = IGD_WORD_FIELD_VALID + 0x0000; - opregion->mailbox3.bclm[1] = IGD_WORD_FIELD_VALID + 0x0a19; - opregion->mailbox3.bclm[2] = IGD_WORD_FIELD_VALID + 0x1433; - opregion->mailbox3.bclm[3] = IGD_WORD_FIELD_VALID + 0x1e4c; - opregion->mailbox3.bclm[4] = IGD_WORD_FIELD_VALID + 0x2866; - opregion->mailbox3.bclm[5] = IGD_WORD_FIELD_VALID + 0x327f; - opregion->mailbox3.bclm[6] = IGD_WORD_FIELD_VALID + 0x3c99; - opregion->mailbox3.bclm[7] = IGD_WORD_FIELD_VALID + 0x46b2; - opregion->mailbox3.bclm[8] = IGD_WORD_FIELD_VALID + 0x50cc; - opregion->mailbox3.bclm[9] = IGD_WORD_FIELD_VALID + 0x5ae5; - opregion->mailbox3.bclm[10] = IGD_WORD_FIELD_VALID + 0x64ff; - - init_opregion_vbt(opregion); - - /* TODO This needs to happen in S3 resume, too. - * Maybe it should move to the finalize handler - */ - igd = dev_find_slot(0, PCI_DEVFN(0x2, 0)); - - pci_write_config32(igd, ASLS, (u32)opregion); - reg16 = pci_read_config16(igd, SWSCI); - reg16 &= ~(1 << 0); - reg16 |= (1 << 15); - pci_write_config16(igd, SWSCI, reg16); - - /* clear dmisci status */ - reg16 = inw(DEFAULT_PMBASE + TCO1_STS); - reg16 |= DMISCI_STS; // reference code does an &= - outw(DEFAULT_PMBASE + TCO1_STS, reg16); - - /* clear acpi tco status */ - outl(DEFAULT_PMBASE + GPE0_STS, TCOSCI_STS); - - /* enable acpi tco scis */ - reg16 = inw(DEFAULT_PMBASE + GPE0_EN); - reg16 |= TCOSCI_EN; - outw(DEFAULT_PMBASE + GPE0_EN, reg16); - - return 0; -} - -void *igd_make_opregion(void) -{ - igd_opregion_t *opregion; - - printk(BIOS_DEBUG, "ACPI: * IGD OpRegion\n"); - opregion = cbmem_add(CBMEM_ID_IGD_OPREGION, sizeof(*opregion)); - if (opregion) - init_igd_opregion(opregion); - return opregion; -} diff --git a/src/northbridge/intel/fsp_sandybridge/gma.c b/src/northbridge/intel/fsp_sandybridge/gma.c index 0034b06a23..8e2d968cb3 100644 --- a/src/northbridge/intel/fsp_sandybridge/gma.c +++ b/src/northbridge/intel/fsp_sandybridge/gma.c @@ -20,6 +20,9 @@ #include <device/pci.h> #include <device/pci_ids.h> #include <southbridge/intel/fsp_bd82x6x/nvs.h> +#include <northbridge/intel/common/gma_opregion.h> +#include <drivers/intel/gma/intel_bios.h> + #include <cbmem.h> #include "chip.h" @@ -82,27 +85,50 @@ static void gma_ssdt(device_t device) drivers_intel_gma_displays_ssdt_generate(gfx); } +/* Enable SCI to ACPI _GPE._L06 */ +static void gma_enable_swsci(void) +{ + u16 reg16; + + /* clear DMISCI status */ + reg16 = inw(DEFAULT_PMBASE + TCO1_STS); + reg16 &= DMISCI_STS; + outw(DEFAULT_PMBASE + TCO1_STS, reg16); + + /* clear acpi tco status */ + outl(DEFAULT_PMBASE + GPE0_STS, TCOSCI_STS); + + /* enable acpi tco scis */ + reg16 = inw(DEFAULT_PMBASE + GPE0_EN); + reg16 |= TCOSCI_EN; + outw(DEFAULT_PMBASE + GPE0_EN, reg16); +} + 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 *opregion = (igd_opregion_t *)current; global_nvs_t *gnvs; - // FIXME: Replace by common VBT implementation writing to current - opregion = igd_make_opregion(); - if (opregion) { - /* GNVS has been already set up */ - gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); - if (gnvs) { - /* IGD OpRegion Base Address */ - gnvs->aslb = (u32)(uintptr_t)opregion; - } else { - printk(BIOS_ERR, "Error: GNVS table not found.\n"); - } + if (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 */ + gnvs->aslb = (u32)(uintptr_t)opregion; + } else { + printk(BIOS_ERR, "Error: GNVS table not found.\n"); } + gma_enable_swsci(); + + current = acpi_align_current(current); return current; } diff --git a/src/northbridge/intel/fsp_sandybridge/northbridge.h b/src/northbridge/intel/fsp_sandybridge/northbridge.h index 0be01ccb62..c0194f20a8 100644 --- a/src/northbridge/intel/fsp_sandybridge/northbridge.h +++ b/src/northbridge/intel/fsp_sandybridge/northbridge.h @@ -215,11 +215,6 @@ void dump_mem(unsigned start, unsigned end); void report_platform_info(void); #endif /* !__SMM__ */ -#if !defined(__PRE_RAM__) -#include <drivers/intel/gma/opregion.h> -int init_igd_opregion(igd_opregion_t *igd_opregion); -#endif - #endif #endif #endif /* __NORTHBRIDGE_INTEL_SANDYBRIDGE_SANDYBRIDGE_H__ */ |