diff options
| -rw-r--r-- | src/soc/intel/tigerlake/acpi.c | 94 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/include/soc/iomap.h | 21 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/include/soc/pci_devs.h | 6 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/include/soc/systemagent.h | 32 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/romstage/fsp_params_tgl.c | 14 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/systemagent.c | 10 |
6 files changed, 174 insertions, 3 deletions
diff --git a/src/soc/intel/tigerlake/acpi.c b/src/soc/intel/tigerlake/acpi.c index b9cae3c23c..af4076cf60 100644 --- a/src/soc/intel/tigerlake/acpi.c +++ b/src/soc/intel/tigerlake/acpi.c @@ -18,6 +18,8 @@ #include <device/mmio.h> #include <arch/smp/mpspec.h> #include <cbmem.h> +#include <console/console.h> +#include <device/pci_ops.h> #include <ec/google/chromeec/ec.h> #include <intelblocks/cpulib.h> #include <intelblocks/pmclib.h> @@ -191,6 +193,98 @@ uint32_t soc_read_sci_irq_select(void) return read32((void *)pmc_bar + IRQ_REG); } +static unsigned long soc_fill_dmar(unsigned long current) +{ + const struct device *const igfx_dev = pcidev_path_on_root(SA_DEVFN_IGD); + uint64_t gfxvtbar = MCHBAR64(GFXVTBAR) & VTBAR_MASK; + bool gfxvten = MCHBAR32(GFXVTBAR) & VTBAR_ENABLED; + + if (igfx_dev && igfx_dev->enabled && gfxvtbar && gfxvten) { + unsigned long tmp = current; + + current += acpi_create_dmar_drhd(current, 0, 0, gfxvtbar); + current += acpi_create_dmar_ds_pci(current, 0, 2, 0); + + acpi_dmar_drhd_fixup(tmp, current); + } + + const struct device *const ipu_dev = pcidev_path_on_root(SA_DEVFN_IPU); + uint64_t ipuvtbar = MCHBAR64(IPUVTBAR) & VTBAR_MASK; + bool ipuvten = MCHBAR32(IPUVTBAR) & VTBAR_ENABLED; + + if (ipu_dev && ipu_dev->enabled && ipuvtbar && ipuvten) { + unsigned long tmp = current; + + current += acpi_create_dmar_drhd(current, 0, 0, ipuvtbar); + current += acpi_create_dmar_ds_pci(current, 0, 5, 0); + + acpi_dmar_drhd_fixup(tmp, current); + } + + uint64_t vtvc0bar = MCHBAR64(VTVC0BAR) & VTBAR_MASK; + bool vtvc0en = MCHBAR32(VTVC0BAR) & VTBAR_ENABLED; + + if (vtvc0bar && vtvc0en) { + const unsigned long tmp = current; + + current += acpi_create_dmar_drhd(current, + DRHD_INCLUDE_PCI_ALL, 0, vtvc0bar); + current += acpi_create_dmar_ds_ioapic(current, + 2, V_P2SB_CFG_IBDF_BUS, V_P2SB_CFG_IBDF_DEV, + V_P2SB_CFG_IBDF_FUNC); + current += acpi_create_dmar_ds_msi_hpet(current, + 0, V_P2SB_CFG_HBDF_BUS, V_P2SB_CFG_HBDF_DEV, + V_P2SB_CFG_HBDF_FUNC); + + acpi_dmar_drhd_fixup(tmp, current); + } + + /* TCSS Thunderbolt root ports */ + for (unsigned int i = 0; i < MAX_TBT_PCIE_PORT; i++) { + uint64_t tbtbar = MCHBAR64(TBT0BAR + i * 8) & VTBAR_MASK; + bool tbten = MCHBAR32(TBT0BAR + i * 8) & VTBAR_ENABLED; + if (tbtbar && tbten) { + unsigned long tmp = current; + + current += acpi_create_dmar_drhd(current, 0, 0, tbtbar); + current += acpi_create_dmar_ds_pci(current, 0, 7, i); + + acpi_dmar_drhd_fixup(tmp, current); + } + } + + /* Add RMRR entry */ + const unsigned long tmp = current; + current += acpi_create_dmar_rmrr(current, 0, + sa_get_gsm_base(), sa_get_tolud_base() - 1); + current += acpi_create_dmar_ds_pci(current, 0, 2, 0); + acpi_dmar_rmrr_fixup(tmp, current); + + return current; +} + +unsigned long sa_write_acpi_tables(struct device *dev, unsigned long current, + struct acpi_rsdp *rsdp) +{ + acpi_dmar_t *const dmar = (acpi_dmar_t *)current; + + /* + * Create DMAR table only if we have VT-d capability and FSP does not override its + * feature. + */ + if ((pci_read_config32(dev, CAPID0_A) & VTD_DISABLE) || + !(MCHBAR32(VTVC0BAR) & VTBAR_ENABLED)) + return current; + + printk(BIOS_DEBUG, "ACPI: * DMAR\n"); + acpi_create_dmar(dmar, DMAR_INTR_REMAP | DMA_CTRL_PLATFORM_OPT_IN_FLAG, soc_fill_dmar); + current += dmar->header.length; + current = acpi_align_current(current); + acpi_add_table(rsdp, dmar); + + return current; +} + void acpi_create_gnvs(struct global_nvs_t *gnvs) { config_t *config = config_of_soc(); diff --git a/src/soc/intel/tigerlake/include/soc/iomap.h b/src/soc/intel/tigerlake/include/soc/iomap.h index f403873f10..d9fc01eaa8 100644 --- a/src/soc/intel/tigerlake/include/soc/iomap.h +++ b/src/soc/intel/tigerlake/include/soc/iomap.h @@ -51,6 +51,27 @@ #define EDRAM_BASE_ADDRESS 0xfed80000 #define EDRAM_BASE_SIZE 0x4000 +#define TBT0_BASE_ADDRESS 0xfed84000 +#define TBT0_BASE_SIZE 0x1000 + +#define TBT1_BASE_ADDRESS 0xfed85000 +#define TBT1_BASE_SIZE 0x1000 + +#define TBT2_BASE_ADDRESS 0xfed86000 +#define TBT2_BASE_SIZE 0x1000 + +#define TBT3_BASE_ADDRESS 0xfed87000 +#define TBT3_BASE_SIZE 0x1000 + +#define GFXVT_BASE_ADDRESS 0xfed90000 +#define GFXVT_BASE_SIZE 0x1000 + +#define IPUVT_BASE_ADDRESS 0xfed92000 +#define IPUVT_BASE_SIZE 0x1000 + +#define VTVC0_BASE_ADDRESS 0xfed91000 +#define VTVC0_BASE_SIZE 0x1000 + #define REG_BASE_ADDRESS 0xfb000000 #define REG_BASE_SIZE 0x1000 diff --git a/src/soc/intel/tigerlake/include/soc/pci_devs.h b/src/soc/intel/tigerlake/include/soc/pci_devs.h index ef2dfe3ec4..af449ba118 100644 --- a/src/soc/intel/tigerlake/include/soc/pci_devs.h +++ b/src/soc/intel/tigerlake/include/soc/pci_devs.h @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2019 Intel Corporation. + * Copyright (C) 2019-2020 Intel Corporation. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -53,6 +53,10 @@ #define SA_DEV_TBT2 PCI_DEV(0, SA_DEV_SLOT_TBT, 2) #define SA_DEV_TBT3 PCI_DEV(0, SA_DEV_SLOT_TBT, 3) +#define SA_DEV_SLOT_IPU 0x05 +#define SA_DEVFN_IPU PCI_DEVFN(SA_DEV_SLOT_IPU, 0) +#define SA_DEV_IPU PCI_DEV(0, SA_DEV_SLOT_IPU, 0) + /* PCH Devices */ #define PCH_DEV_SLOT_SIO0 0x10 #define PCH_DEVFN_CNVI_BT _PCH_DEVFN(SIO0, 2) diff --git a/src/soc/intel/tigerlake/include/soc/systemagent.h b/src/soc/intel/tigerlake/include/soc/systemagent.h index 56a2bd8887..92d70723df 100644 --- a/src/soc/intel/tigerlake/include/soc/systemagent.h +++ b/src/soc/intel/tigerlake/include/soc/systemagent.h @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2019 Intel Corporation. + * Copyright (C) 2019-2020 Intel Corporation. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -34,10 +34,23 @@ #define D_LCK (1 << 4) #define G_SMRAME (1 << 3) #define C_BASE_SEG ((0 << 2) | (1 << 1) | (0 << 0)) +#define CAPID0_A 0xe4 +#define VTD_DISABLE (1 << 23) #define BIOS_RESET_CPL 0x5da8 +#define GFXVTBAR 0x5400 #define EDRAMBAR 0x5408 +#define VTVC0BAR 0x5410 #define REGBAR 0x5420 +#define IPUVTBAR 0x7880 +#define TBT0BAR 0x7888 +#define TBT1BAR 0x7890 +#define TBT2BAR 0x7898 +#define TBT3BAR 0x78A0 +#define MAX_TBT_PCIE_PORT 4 + +#define VTBAR_ENABLED 0x01 +#define VTBAR_MASK 0x7ffffff000ull #define MCH_PKG_POWER_LIMIT_LO 0x59a0 #define MCH_PKG_POWER_LIMIT_HI 0x59a4 @@ -47,4 +60,21 @@ #define IMRBASE 0x6A40 #define IMRLIMIT 0x6A48 +static const struct sa_mmio_descriptor soc_vtd_resources[] = { + { GFXVTBAR, GFXVT_BASE_ADDRESS, GFXVT_BASE_SIZE, "GFXVTBAR" }, + { IPUVTBAR, IPUVT_BASE_ADDRESS, IPUVT_BASE_SIZE, "IPUVTBAR" }, + { TBT0BAR, TBT0_BASE_ADDRESS, TBT0_BASE_SIZE, "TBT0BAR" }, + { TBT1BAR, TBT1_BASE_ADDRESS, TBT1_BASE_SIZE, "TBT1BAR" }, + { TBT2BAR, TBT2_BASE_ADDRESS, TBT2_BASE_SIZE, "TBT2BAR" }, + { TBT3BAR, TBT3_BASE_ADDRESS, TBT3_BASE_SIZE, "TBT3BAR" }, + { VTVC0BAR, VTVC0_BASE_ADDRESS, VTVC0_BASE_SIZE, "VTVC0BAR" }, +}; + +#define V_P2SB_CFG_IBDF_BUS 0 +#define V_P2SB_CFG_IBDF_DEV 30 +#define V_P2SB_CFG_IBDF_FUNC 7 +#define V_P2SB_CFG_HBDF_BUS 0 +#define V_P2SB_CFG_HBDF_DEV 30 +#define V_P2SB_CFG_HBDF_FUNC 6 + #endif diff --git a/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c b/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c index 4b9b007eb6..072c99ea7e 100644 --- a/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c +++ b/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c @@ -131,6 +131,20 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, m_cfg->PchHdaIDispLinkTmode = config->PchHdaIDispLinkTmode; m_cfg->PchHdaIDispLinkFrequency = config->PchHdaIDispLinkFrequency; m_cfg->PchHdaIDispCodecDisconnect = config->PchHdaIDispCodecDisconnect; + + /* Vt-D config */ + m_cfg->VtdDisable = 0; + m_cfg->VtdIgdEnable = 0x1; + m_cfg->VtdBaseAddress[0] = GFXVT_BASE_ADDRESS; + m_cfg->VtdIpuEnable = 0x1; + m_cfg->VtdBaseAddress[1] = IPUVT_BASE_ADDRESS; + m_cfg->VtdIopEnable = 0x1; + m_cfg->VtdBaseAddress[2] = VTVC0_BASE_ADDRESS; + m_cfg->VtdItbtEnable = 0x1; + m_cfg->VtdBaseAddress[3] = TBT0_BASE_ADDRESS; + m_cfg->VtdBaseAddress[4] = TBT1_BASE_ADDRESS; + m_cfg->VtdBaseAddress[5] = TBT2_BASE_ADDRESS; + m_cfg->VtdBaseAddress[6] = TBT3_BASE_ADDRESS; } void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version) diff --git a/src/soc/intel/tigerlake/systemagent.c b/src/soc/intel/tigerlake/systemagent.c index 9c8f64573d..152f8f90d9 100644 --- a/src/soc/intel/tigerlake/systemagent.c +++ b/src/soc/intel/tigerlake/systemagent.c @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2019 Intel Corp. + * Copyright (C) 2019-2020 Intel Corp. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,6 +21,7 @@ #include <device/device.h> #include <device/pci.h> +#include <device/pci_ops.h> #include <intelblocks/systemagent.h> #include <soc/iomap.h> #include <soc/systemagent.h> @@ -56,6 +57,13 @@ void soc_add_fixed_mmio_resources(struct device *dev, int *index) sa_add_fixed_mmio_resources(dev, index, soc_fixed_resources, ARRAY_SIZE(soc_fixed_resources)); + + /* Add Vt-d resources if VT-d is enabled */ + if ((pci_read_config32(dev, CAPID0_A) & VTD_DISABLE)) + return; + + sa_add_fixed_mmio_resources(dev, index, soc_vtd_resources, + ARRAY_SIZE(soc_vtd_resources)); } /* |