diff --git a/src/soc/intel/elkhartlake/bootblock/bootblock.c b/src/soc/intel/elkhartlake/bootblock/bootblock.c new file mode 100644 index 0000000000..96e6268f74 --- /dev/null +++ b/src/soc/intel/elkhartlake/bootblock/bootblock.c @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include +#include + +asmlinkage void bootblock_c_entry(uint64_t base_timestamp) +{ + /* Call lib/bootblock.c main */ + bootblock_main_with_basetime(base_timestamp); +} + +void bootblock_soc_early_init(void) +{ + bootblock_systemagent_early_init(); + bootblock_pch_early_init(); + bootblock_cpu_init(); + pch_early_iorange_init(); + if (CONFIG(INTEL_LPSS_UART_FOR_CONSOLE)) + uart_bootblock_init(); +} + +void bootblock_soc_init(void) +{ + report_platform_info(); + bootblock_pch_init(); + + /* Programming TCO_BASE_ADDRESS and TCO Timer Halt */ + tco_configure(); +} diff --git a/src/soc/intel/elkhartlake/bootblock/cpu.c b/src/soc/intel/elkhartlake/bootblock/cpu.c new file mode 100644 index 0000000000..bbce44cd60 --- /dev/null +++ b/src/soc/intel/elkhartlake/bootblock/cpu.c @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include + +void bootblock_cpu_init(void) +{ + /* + * Elkhartlake platform doesn't support booting from any other media + * (like eMMC on APL/GLK platform) than only booting from SPI device + * and on IA platform SPI is memory mapped hence enabling temporarily + * caching on memory-mapped spi boot media. + */ + fast_spi_cache_bios_region(); +} diff --git a/src/soc/intel/elkhartlake/bootblock/pch.c b/src/soc/intel/elkhartlake/bootblock/pch.c new file mode 100644 index 0000000000..3988cab3e0 --- /dev/null +++ b/src/soc/intel/elkhartlake/bootblock/pch.c @@ -0,0 +1,151 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define PCR_PSF3_TO_SHDW_PMC_REG_BASE 0xA00 + +#define PCR_PSFX_TO_SHDW_BAR0 0 +#define PCR_PSFX_TO_SHDW_BAR1 0x4 +#define PCR_PSFX_TO_SHDW_BAR2 0x8 +#define PCR_PSFX_TO_SHDW_BAR3 0xC +#define PCR_PSFX_TO_SHDW_BAR4 0x10 +#define PCR_PSFX_TO_SHDW_PCIEN_IOEN 0x01 +#define PCR_PSFX_T0_SHDW_PCIEN 0x1C + +#define PCR_DMI_DMICTL 0x2234 +#define PCR_DMI_DMICTL_SRLOCK (1 << 31) + +#define PCR_DMI_ACPIBA 0x27B4 +#define PCR_DMI_ACPIBDID 0x27B8 +#define PCR_DMI_PMBASEA 0x27AC +#define PCR_DMI_PMBASEC 0x27B0 + +#define PCR_DMI_LPCIOD 0x2770 +#define PCR_DMI_LPCIOE 0x2774 + +static void soc_config_pwrmbase(void) +{ + /* + * Assign Resources to PWRMBASE + * Clear BIT 1-2 Command Register + */ + pci_and_config16(PCH_DEV_PMC, PCI_COMMAND, ~(PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER)); + + /* Program PWRM Base */ + pci_write_config32(PCH_DEV_PMC, PWRMBASE, PCH_PWRM_BASE_ADDRESS); + + /* Enable Bus Master and MMIO Space */ + pci_or_config16(PCH_DEV_PMC, PCI_COMMAND, (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER)); + + /* Enable PWRM in PMC */ + setbits32((void *) PCH_PWRM_BASE_ADDRESS + ACTL, PWRM_EN); +} + +void bootblock_pch_early_init(void) +{ + fast_spi_early_init(SPI_BASE_ADDRESS); + gspi_early_bar_init(); + p2sb_enable_bar(); + p2sb_configure_hpet(); + + /* + * Enabling PWRM Base for accessing + * Global Reset Cause Register. + */ + soc_config_pwrmbase(); +} + +static void soc_config_acpibase(void) +{ + uint32_t pmc_reg_value; + const uint32_t pmc_base_reg = PCR_PSF3_TO_SHDW_PMC_REG_BASE; + + pmc_reg_value = pcr_read32(PID_PSF3, pmc_base_reg + PCR_PSFX_TO_SHDW_BAR4); + + if (pmc_reg_value != 0xffffffff) { + /* Disable IO Space before changing the address */ + pcr_rmw32(PID_PSF3, pmc_base_reg + PCR_PSFX_T0_SHDW_PCIEN, + ~PCR_PSFX_TO_SHDW_PCIEN_IOEN, 0); + /* Program ABASE in PSF3 PMC space BAR4*/ + pcr_write32(PID_PSF3, pmc_base_reg + PCR_PSFX_TO_SHDW_BAR4, + ACPI_BASE_ADDRESS); + /* Enable IO Space */ + pcr_rmw32(PID_PSF3, pmc_base_reg + PCR_PSFX_T0_SHDW_PCIEN, + 0xffffffff, PCR_PSFX_TO_SHDW_PCIEN_IOEN); + } +} + +static int pch_check_decode_enable(void) +{ + uint32_t dmi_control; + + /* + * This cycle decoding is only allowed to set when + * DMICTL.SRLOCK is 0. + */ + dmi_control = pcr_read32(PID_DMI, PCR_DMI_DMICTL); + if (dmi_control & PCR_DMI_DMICTL_SRLOCK) + return -1; + return 0; +} + +void pch_early_iorange_init(void) +{ + uint16_t io_enables = LPC_IOE_SUPERIO_2E_2F | LPC_IOE_KBC_60_64 | + LPC_IOE_EC_62_66 | LPC_IOE_LGE_200; + + /* IO Decode Range */ + if (CONFIG(DRIVERS_UART_8250IO)) + lpc_io_setup_comm_a_b(); + + /* IO Decode Enable */ + if (pch_check_decode_enable() == 0) { + io_enables = lpc_enable_fixed_io_ranges(io_enables); + /* + * Set ESPI IO Enables PCR[DMI] + 2774h [15:0] to the same + * value programmed in ESPI PCI offset 82h. + */ + pcr_write16(PID_DMI, PCR_DMI_LPCIOE, io_enables); + /* + * Set LPC IO Decode Ranges PCR[DMI] + 2770h [15:0] to the same + * value programmed in LPC PCI offset 80h. + */ + pcr_write16(PID_DMI, PCR_DMI_LPCIOD, lpc_get_fixed_io_decode()); + } + + /* Program generic IO Decode Range */ + pch_enable_lpc(); +} + +void bootblock_pch_init(void) +{ + /* + * Enabling ABASE for accessing PM1_STS, PM1_EN, PM1_CNT, + * GPE0_STS, GPE0_EN registers. + */ + soc_config_acpibase(); + + /* Set up GPE configuration */ + pmc_gpe_init(); + + enable_rtc_upper_bank(); +} diff --git a/src/soc/intel/elkhartlake/bootblock/report_platform.c b/src/soc/intel/elkhartlake/bootblock/report_platform.c new file mode 100644 index 0000000000..82b2ba1134 --- /dev/null +++ b/src/soc/intel/elkhartlake/bootblock/report_platform.c @@ -0,0 +1,122 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * TODO: Add EHL specific CPU/SA/PCH/IGD IDs here + */ + +static inline uint8_t get_dev_revision(pci_devfn_t dev) +{ + return pci_read_config8(dev, PCI_REVISION_ID); +} + +static inline uint16_t get_dev_id(pci_devfn_t dev) +{ + return pci_read_config16(dev, PCI_DEVICE_ID); +} + +static void report_cpu_info(void) +{ + uint32_t i, cpu_id, cpu_feature_flag; + char cpu_name[49]; + int vt, txt, aes; + static const char *const mode[] = {"NOT ", ""}; + const char *cpu_type = "Unknown"; + + fill_processor_name(cpu_name); + cpu_id = cpu_get_cpuid(); + + /* Look for string to match the name */ + for (i = 0; i < ARRAY_SIZE(cpu_table); i++) { + if (cpu_table[i].cpuid == cpu_id) { + cpu_type = cpu_table[i].name; + break; + } + } + + printk(BIOS_DEBUG, "CPU: %s\n", cpu_name); + printk(BIOS_DEBUG, "CPU: ID %x, %s, ucode: %08x\n", + cpu_id, cpu_type, get_current_microcode_rev()); + + cpu_feature_flag = cpu_get_feature_flags_ecx(); + aes = (cpu_feature_flag & CPUID_AES) ? 1 : 0; + txt = (cpu_feature_flag & CPUID_SMX) ? 1 : 0; + vt = (cpu_feature_flag & CPUID_VMX) ? 1 : 0; + printk(BIOS_DEBUG, + "CPU: AES %ssupported, TXT %ssupported, VT %ssupported\n", + mode[aes], mode[txt], mode[vt]); +} + +static void report_mch_info(void) +{ + int i; + pci_devfn_t dev = SA_DEV_ROOT; + uint16_t mchid = get_dev_id(dev); + uint8_t mch_revision = get_dev_revision(dev); + const char *mch_type = "Unknown"; + + for (i = 0; i < ARRAY_SIZE(mch_table); i++) { + if (mch_table[i].mchid == mchid) { + mch_type = mch_table[i].name; + break; + } + } + + printk(BIOS_DEBUG, "MCH: device id %04x (rev %02x) is %s\n", + mchid, mch_revision, mch_type); +} + +static void report_pch_info(void) +{ + int i; + pci_devfn_t dev = PCH_DEV_ESPI; + uint16_t espiid = get_dev_id(dev); + const char *pch_type = "Unknown"; + + for (i = 0; i < ARRAY_SIZE(pch_table); i++) { + if (pch_table[i].espiid == espiid) { + pch_type = pch_table[i].name; + break; + } + } + printk(BIOS_DEBUG, "PCH: device id %04x (rev %02x) is %s\n", + espiid, get_dev_revision(dev), pch_type); +} + +static void report_igd_info(void) +{ + int i; + pci_devfn_t dev = SA_DEV_IGD; + uint16_t igdid = get_dev_id(dev); + const char *igd_type = "Unknown"; + + for (i = 0; i < ARRAY_SIZE(igd_table); i++) { + if (igd_table[i].igdid == igdid) { + igd_type = igd_table[i].name; + break; + } + } + printk(BIOS_DEBUG, "IGD: device id %04x (rev %02x) is %s\n", + igdid, get_dev_revision(dev), igd_type); +} + +void report_platform_info(void) +{ + report_cpu_info(); + report_mch_info(); + report_pch_info(); + report_igd_info(); +} diff --git a/src/soc/intel/elkhartlake/include/soc/bootblock.h b/src/soc/intel/elkhartlake/include/soc/bootblock.h new file mode 100644 index 0000000000..2dc50c1ddc --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/bootblock.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_ELKHARTLAKE_BOOTBLOCK_H_ +#define _SOC_ELKHARTLAKE_BOOTBLOCK_H_ + +/* Bootblock pre console init programming */ +void bootblock_cpu_init(void); +void bootblock_pch_early_init(void); + +/* Bootblock post console init programming */ +void bootblock_pch_init(void); +void pch_early_iorange_init(void); +void report_platform_info(void); + +#endif diff --git a/src/soc/intel/elkhartlake/include/soc/espi.h b/src/soc/intel/elkhartlake/include/soc/espi.h new file mode 100644 index 0000000000..80b5c1e49e --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/espi.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_ELKHARTLAKE_ESPI_H_ +#define _SOC_ELKHARTLAKE_ESPI_H_ + + +/* PCI Configuration Space (D31:F0): ESPI */ +#define SCI_IRQ_SEL (7 << 0) +#define SCIS_IRQ9 0 +#define SCIS_IRQ10 1 +#define SCIS_IRQ11 2 +#define SCIS_IRQ20 4 +#define SCIS_IRQ21 5 +#define SCIS_IRQ22 6 +#define SCIS_IRQ23 7 +#define SERIRQ_CNTL 0x64 +#define ESPI_IO_DEC 0x80 /* IO Decode Ranges Register */ +#define COMA_RANGE 0x0 /* 0x3F8 - 0x3FF COM1*/ +#define COMB_RANGE 0x1 /* 0x2F8 - 0x2FF COM2*/ +#define ESPI_GEN1_DEC 0x84 /* ESPI IF Generic Decode Range 1 */ +#define ESPI_GEN2_DEC 0x88 /* ESPI IF Generic Decode Range 2 */ +#define ESPI_GEN3_DEC 0x8c /* ESPI IF Generic Decode Range 3 */ +#define ESPI_GEN4_DEC 0x90 /* ESPI IF Generic Decode Range 4 */ +#define LGMR 0x98 /* ESPI Generic Memory Range */ +#define PCCTL 0xE0 /* PCI Clock Control */ +#define CLKRUN_EN (1 << 0) + +#endif diff --git a/src/soc/intel/elkhartlake/include/soc/iomap.h b/src/soc/intel/elkhartlake/include/soc/iomap.h new file mode 100644 index 0000000000..5ba40bc5ff --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/iomap.h @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_ELKHARTLAKE_IOMAP_H_ +#define _SOC_ELKHARTLAKE_IOMAP_H_ + +/* + * Memory-mapped I/O registers. + */ +#define MCFG_BASE_ADDRESS CONFIG_MMCONF_BASE_ADDRESS +#define MCFG_BASE_SIZE 0x4000000 + +#define PCH_PRESERVED_BASE_ADDRESS 0xfc800000 +#define PCH_PRESERVED_BASE_SIZE 0x02000000 + +#define PCH_TRACE_HUB_BASE_ADDRESS 0xfc800000 +#define PCH_TRACE_HUB_BASE_SIZE 0x00800000 + +#define DMI_BASE_ADDRESS 0xfeda0000 +#define DMI_BASE_SIZE 0x1000 + +#define EP_BASE_ADDRESS 0xfeda1000 +#define EP_BASE_SIZE 0x1000 + +#define EDRAM_BASE_ADDRESS 0xfed80000 +#define EDRAM_BASE_SIZE 0x4000 + +#define GFXVT_BASE_ADDRESS 0xfed90000 +#define GFXVT_BASE_SIZE 0x1000 + +#define VTVC0_BASE_ADDRESS 0xfed91000 +#define VTVC0_BASE_SIZE 0x1000 + +#define REG_BASE_ADDRESS 0xfb000000 +#define REG_BASE_SIZE 0x1000 + +#define HPET_BASE_ADDRESS 0xfed00000 + +#define PCH_PWRM_BASE_ADDRESS 0xfe000000 +#define PCH_PWRM_BASE_SIZE 0x10000 + +#define SPI_BASE_ADDRESS 0xfe010000 + +#define GPIO_BASE_SIZE 0x10000 + +#define HECI1_BASE_ADDRESS 0xfeda2000 + +#define VTD_BASE_ADDRESS 0xfed90000 +#define VTD_BASE_SIZE 0x00004000 + +#define MCH_BASE_ADDRESS 0xfea80000 +#define MCH_BASE_SIZE 0x8000 + +#define EARLY_GSPI_BASE_ADDRESS 0xfe011000 + +#define EARLY_I2C_BASE_ADDRESS 0xfe040000 +#define EARLY_I2C_BASE(x) (EARLY_I2C_BASE_ADDRESS + (0x1000 * (x))) + +/* + * I/O port address space + */ +#define SMBUS_BASE_ADDRESS 0x0efa0 +#define SMBUS_BASE_SIZE 0x20 + +#define ACPI_BASE_ADDRESS 0x1800 +#define ACPI_BASE_SIZE 0x100 + +#define TCO_BASE_ADDRESS 0x400 +#define TCO_BASE_SIZE 0x20 + +#define P2SB_BAR CONFIG_PCR_BASE_ADDRESS +#define P2SB_SIZE (16 * MiB) + +#endif diff --git a/src/soc/intel/elkhartlake/include/soc/p2sb.h b/src/soc/intel/elkhartlake/include/soc/p2sb.h new file mode 100644 index 0000000000..12ae313e3b --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/p2sb.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_ELKHARTLAKE_P2SB_H_ +#define _SOC_ELKHARTLAKE_P2SB_H_ + +#define HPTC_OFFSET 0x60 +#define HPTC_ADDR_ENABLE_BIT (1 << 7) + +#define PCH_P2SB_EPMASK0 0x220 + +#endif diff --git a/src/soc/intel/elkhartlake/include/soc/pch.h b/src/soc/intel/elkhartlake/include/soc/pch.h new file mode 100644 index 0000000000..7a2d4adead --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/pch.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_ELKHARTLAKE_PCH_H_ +#define _SOC_ELKHARTLAKE_PCH_H_ + + +#define PCIE_CLK_NOTUSED 0xFF +#define PCIE_CLK_LAN 0x70 +#define PCIE_CLK_FREE 0x80 + +#endif diff --git a/src/soc/intel/elkhartlake/include/soc/pci_devs.h b/src/soc/intel/elkhartlake/include/soc/pci_devs.h new file mode 100644 index 0000000000..0ae7db80bf --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/pci_devs.h @@ -0,0 +1,192 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_ELKHARTLAKE_PCI_DEVS_H_ +#define _SOC_ELKHARTLAKE_PCI_DEVS_H_ + +#include + +#define _PCH_DEVFN(slot, func) PCI_DEVFN(PCH_DEV_SLOT_ ## slot, func) + +#if !defined(__SIMPLE_DEVICE__) +#include +#define _PCH_DEV(slot, func) pcidev_path_on_root_debug(_PCH_DEVFN(slot, func), __func__) +#else +#define _PCH_DEV(slot, func) PCI_DEV(0, PCH_DEV_SLOT_ ## slot, func) +#endif + +/* System Agent Devices */ + +#define SA_DEV_SLOT_ROOT 0x00 +#define SA_DEVFN_ROOT PCI_DEVFN(SA_DEV_SLOT_ROOT, 0) +#if defined(__SIMPLE_DEVICE__) +#define SA_DEV_ROOT PCI_DEV(0, SA_DEV_SLOT_ROOT, 0) +#endif + +#define SA_DEV_SLOT_IGD 0x02 +#define SA_DEVFN_IGD PCI_DEVFN(SA_DEV_SLOT_IGD, 0) +#define SA_DEV_IGD PCI_DEV(0, SA_DEV_SLOT_IGD, 0) + +#define SA_DEV_SLOT_DPTF 0x04 +#define SA_DEVFN_DPTF PCI_DEVFN(SA_DEV_SLOT_DPTF, 0) +#define SA_DEV_DPTF PCI_DEV(0, SA_DEV_SLOT_DPTF, 0) + +#define SA_DEV_SLOT_TBT 0x07 +#define SA_DEVFN_TBT0 PCI_DEVFN(SA_DEV_SLOT_TBT, 0) +#define SA_DEVFN_TBT1 PCI_DEVFN(SA_DEV_SLOT_TBT, 1) +#define SA_DEVFN_TBT2 PCI_DEVFN(SA_DEV_SLOT_TBT, 2) +#define SA_DEVFN_TBT3 PCI_DEVFN(SA_DEV_SLOT_TBT, 3) +#define SA_DEV_TBT0 PCI_DEV(0, SA_DEV_SLOT_TBT, 0) +#define SA_DEV_TBT1 PCI_DEV(0, SA_DEV_SLOT_TBT, 1) +#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) +#define PCH_DEVFN_THC0 _PCH_DEVFN(SIO0, 6) +#define PCH_DEVFN_THC1 _PCH_DEVFN(SIO0, 7) +#define PCH_DEV_CNVI_BT _PCH_DEV(SIO0, 2) +#define PCH_DEV_THC0 _PCH_DEV(SIO0, 6) +#define PCH_DEV_THC1 _PCH_DEV(SIO0, 7) + +#define PCH_DEV_SLOT_SIO1 0x11 +#define PCH_DEVFN_UART3 _PCH_DEVFN(SIO1, 0) +#define PCH_DEV_UART3 _PCH_DEV(SIO1, 0) + +#define PCH_DEV_SLOT_ISH 0x12 +#define PCH_DEVFN_ISH _PCH_DEVFN(ISH, 0) +#define PCH_DEVFN_GSPI2 _PCH_DEVFN(ISH, 6) +#define PCH_DEV_ISH _PCH_DEV(ISH, 0) +#define PCH_DEV_GSPI2 _PCH_DEV(ISH, 6) + +#define PCH_DEV_SLOT_SIO2 0x13 +#define PCH_DEVFN_GSPI3 _PCH_DEVFN(SIO2, 0) +#define PCH_DEV_GSPI3 _PCH_DEV(SIO2, 0) + +#define PCH_DEV_SLOT_XHCI 0x14 +#define PCH_DEVFN_XHCI _PCH_DEVFN(XHCI, 0) +#define PCH_DEVFN_USBOTG _PCH_DEVFN(XHCI, 1) +#define PCH_DEVFN_SRAM _PCH_DEVFN(XHCI, 2) +#define PCH_DEVFN_CNVI_WIFI _PCH_DEVFN(XHCI, 3) +#define PCH_DEV_XHCI _PCH_DEV(XHCI, 0) +#define PCH_DEV_USBOTG _PCH_DEV(XHCI, 1) +#define PCH_DEV_SRAM _PCH_DEV(XHCI, 2) +#define PCH_DEV_CNVI_WIFI _PCH_DEV(XHCI, 3) +#define PCH_DEVFN_SDCARD _PCH_DEVFN(XHCI, 5) +#define PCH_DEV_SDCARD _PCH_DEV(XHCI, 5) + +#define PCH_DEV_SLOT_SIO3 0x15 +#define PCH_DEVFN_I2C0 _PCH_DEVFN(SIO3, 0) +#define PCH_DEVFN_I2C1 _PCH_DEVFN(SIO3, 1) +#define PCH_DEVFN_I2C2 _PCH_DEVFN(SIO3, 2) +#define PCH_DEVFN_I2C3 _PCH_DEVFN(SIO3, 3) +#define PCH_DEV_I2C0 _PCH_DEV(SIO3, 0) +#define PCH_DEV_I2C1 _PCH_DEV(SIO3, 1) +#define PCH_DEV_I2C2 _PCH_DEV(SIO3, 2) +#define PCH_DEV_I2C3 _PCH_DEV(SIO3, 3) + +#define PCH_DEV_SLOT_CSE 0x16 +#define PCH_DEVFN_CSE _PCH_DEVFN(CSE, 0) +#define PCH_DEVFN_CSE_2 _PCH_DEVFN(CSE, 1) +#define PCH_DEVFN_CSE_IDER _PCH_DEVFN(CSE, 2) +#define PCH_DEVFN_CSE_KT _PCH_DEVFN(CSE, 3) +#define PCH_DEVFN_CSE_3 _PCH_DEVFN(CSE, 4) +#define PCH_DEVFN_CSE_4 _PCH_DEVFN(CSE, 5) +#define PCH_DEV_CSE _PCH_DEV(CSE, 0) +#define PCH_DEV_CSE_2 _PCH_DEV(CSE, 1) +#define PCH_DEV_CSE_IDER _PCH_DEV(CSE, 2) +#define PCH_DEV_CSE_KT _PCH_DEV(CSE, 3) +#define PCH_DEV_CSE_3 _PCH_DEV(CSE, 4) +#define PCH_DEV_CSE_4 _PCH_DEV(CSE, 5) + +#define PCH_DEV_SLOT_SATA 0x17 +#define PCH_DEVFN_SATA _PCH_DEVFN(SATA, 0) +#define PCH_DEV_SATA _PCH_DEV(SATA, 0) + +#define PCH_DEV_SLOT_SIO4 0x19 +#define PCH_DEVFN_I2C4 _PCH_DEVFN(SIO4, 0) +#define PCH_DEVFN_I2C5 _PCH_DEVFN(SIO4, 1) +#define PCH_DEVFN_UART2 _PCH_DEVFN(SIO4, 2) +#define PCH_DEV_I2C4 _PCH_DEV(SIO4, 0) +#define PCH_DEV_I2C5 _PCH_DEV(SIO4, 1) +#define PCH_DEV_UART2 _PCH_DEV(SIO4, 2) + +#define PCH_DEV_SLOT_STORAGE 0x1a +#define PCH_DEVFN_EMMC _PCH_DEVFN(STORAGE, 0) +#define PCH_DEV_EMMC _PCH_DEV(STORAGE, 0) + +#define PCH_DEV_SLOT_PCIE 0x1c +#define PCH_DEVFN_PCIE1 _PCH_DEVFN(PCIE, 0) +#define PCH_DEVFN_PCIE2 _PCH_DEVFN(PCIE, 1) +#define PCH_DEVFN_PCIE3 _PCH_DEVFN(PCIE, 2) +#define PCH_DEVFN_PCIE4 _PCH_DEVFN(PCIE, 3) +#define PCH_DEVFN_PCIE5 _PCH_DEVFN(PCIE, 4) +#define PCH_DEVFN_PCIE6 _PCH_DEVFN(PCIE, 5) +#define PCH_DEVFN_PCIE7 _PCH_DEVFN(PCIE, 6) +#define PCH_DEVFN_PCIE8 _PCH_DEVFN(PCIE, 7) +#define PCH_DEV_PCIE1 _PCH_DEV(PCIE, 0) +#define PCH_DEV_PCIE2 _PCH_DEV(PCIE, 1) +#define PCH_DEV_PCIE3 _PCH_DEV(PCIE, 2) +#define PCH_DEV_PCIE4 _PCH_DEV(PCIE, 3) +#define PCH_DEV_PCIE5 _PCH_DEV(PCIE, 4) +#define PCH_DEV_PCIE6 _PCH_DEV(PCIE, 5) +#define PCH_DEV_PCIE7 _PCH_DEV(PCIE, 6) +#define PCH_DEV_PCIE8 _PCH_DEV(PCIE, 7) + +#define PCH_DEV_SLOT_PCIE_1 0x1d +#define PCH_DEVFN_PCIE9 _PCH_DEVFN(PCIE_1, 0) +#define PCH_DEVFN_PCIE10 _PCH_DEVFN(PCIE_1, 1) +#define PCH_DEVFN_PCIE11 _PCH_DEVFN(PCIE_1, 2) +#define PCH_DEVFN_PCIE12 _PCH_DEVFN(PCIE_1, 3) +#define PCH_DEV_PCIE9 _PCH_DEV(PCIE_1, 0) +#define PCH_DEV_PCIE10 _PCH_DEV(PCIE_1, 1) +#define PCH_DEV_PCIE11 _PCH_DEV(PCIE_1, 2) +#define PCH_DEV_PCIE12 _PCH_DEV(PCIE_1, 3) + +#define PCH_DEV_SLOT_SIO5 0x1e +#define PCH_DEVFN_UART0 _PCH_DEVFN(SIO5, 0) +#define PCH_DEVFN_UART1 _PCH_DEVFN(SIO5, 1) +#define PCH_DEVFN_GSPI0 _PCH_DEVFN(SIO5, 2) +#define PCH_DEVFN_GSPI1 _PCH_DEVFN(SIO5, 3) +#define PCH_DEV_UART0 _PCH_DEV(SIO5, 0) +#define PCH_DEV_UART1 _PCH_DEV(SIO5, 1) +#define PCH_DEV_GSPI0 _PCH_DEV(SIO5, 2) +#define PCH_DEV_GSPI1 _PCH_DEV(SIO5, 3) + +#define PCH_DEV_SLOT_ESPI 0x1f +#define PCH_DEV_SLOT_LPC PCH_DEV_SLOT_ESPI +#define PCH_DEVFN_ESPI _PCH_DEVFN(ESPI, 0) +#define PCH_DEVFN_P2SB _PCH_DEVFN(ESPI, 1) +#define PCH_DEVFN_PMC _PCH_DEVFN(ESPI, 2) +#define PCH_DEVFN_HDA _PCH_DEVFN(ESPI, 3) +#define PCH_DEVFN_SMBUS _PCH_DEVFN(ESPI, 4) +#define PCH_DEVFN_SPI _PCH_DEVFN(ESPI, 5) +#define PCH_DEVFN_GBE _PCH_DEVFN(ESPI, 6) +#define PCH_DEVFN_TRACEHUB _PCH_DEVFN(ESPI, 7) +#define PCH_DEV_ESPI _PCH_DEV(ESPI, 0) +#define PCH_DEV_LPC PCH_DEV_ESPI +#define PCH_DEV_P2SB _PCH_DEV(ESPI, 1) + +#if !ENV_RAMSTAGE +/* + * PCH_DEV_PMC is intentionally not defined in RAMSTAGE since PMC device gets + * hidden from PCI bus after call to FSP-S. This leads to resource allocator + * dropping it from the root bus as unused device. All references to PCH_DEV_PMC + * would then return NULL and can go unnoticed if not handled properly. Since, + * this device does not have any special chip config associated with it, it is + * okay to not provide the definition for it in ramstage. + */ +#define PCH_DEV_PMC _PCH_DEV(ESPI, 2) +#endif + +#define PCH_DEV_HDA _PCH_DEV(ESPI, 3) +#define PCH_DEV_SMBUS _PCH_DEV(ESPI, 4) +#define PCH_DEV_SPI _PCH_DEV(ESPI, 5) +#define PCH_DEV_GBE _PCH_DEV(ESPI, 6) +#define PCH_DEV_TRACEHUB _PCH_DEV(ESPI, 7) + +#endif diff --git a/src/soc/intel/elkhartlake/include/soc/pcr_ids.h b/src/soc/intel/elkhartlake/include/soc/pcr_ids.h new file mode 100644 index 0000000000..c5c5b31ca2 --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/pcr_ids.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef SOC_ELKHARTLAKE_PCR_H +#define SOC_ELKHARTLAKE_PCR_H +/* + * Port IDs + */ +#define PID_EMMC 0x51 +#define PID_SDX 0x53 + +#define PID_GPIOCOM0 0x6e +#define PID_GPIOCOM1 0x6d +#define PID_GPIOCOM2 0x6c +#define PID_GPIOCOM4 0x6a +#define PID_GPIOCOM5 0x69 + +#define PID_DMI 0x88 +#define PID_PSTH 0x89 +#define PID_CSME0 0x90 +#define PID_ISCLK 0xad +#define PID_PSF1 0xba +#define PID_PSF2 0xbb +#define PID_PSF3 0xbc +#define PID_PSF4 0xbd +#define PID_SCS 0xc0 +#define PID_RTC 0xc3 +#define PID_ITSS 0xc4 +#define PID_ESPI 0xc7 +#define PID_SERIALIO 0xcb + +#endif diff --git a/src/soc/intel/elkhartlake/include/soc/pm.h b/src/soc/intel/elkhartlake/include/soc/pm.h new file mode 100644 index 0000000000..11d6663b74 --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/pm.h @@ -0,0 +1,164 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_PM_H_ +#define _SOC_PM_H_ + +#define PM1_STS 0x00 +#define WAK_STS (1 << 15) +#define PCIEXPWAK_STS (1 << 14) +#define PRBTNOR_STS (1 << 11) +#define RTC_STS (1 << 10) +#define PWRBTN_STS (1 << 8) +#define GBL_STS (1 << 5) +#define BM_STS (1 << 4) +#define TMROF_STS (1 << 0) +#define PM1_EN 0x02 +#define PCIEXPWAK_DIS (1 << 14) +#define RTC_EN (1 << 10) +#define PWRBTN_EN (1 << 8) +#define GBL_EN (1 << 5) +#define TMROF_EN (1 << 0) +#define PM1_CNT 0x04 +#define GBL_RLS (1 << 2) +#define BM_RLD (1 << 1) +#define SCI_EN (1 << 0) +#define PM1_TMR 0x08 +#define SMI_EN 0x30 +#define XHCI_SMI_EN (1 << 31) +#define ME_SMI_EN (1 << 30) +#define ESPI_SMI_EN (1 << 28) +#define GPIO_UNLOCK_SMI_EN (1 << 27) +#define INTEL_USB2_EN (1 << 18) +#define LEGACY_USB2_EN (1 << 17) +#define PERIODIC_EN (1 << 14) +#define TCO_SMI_EN (1 << 13) +#define MCSMI_EN (1 << 11) +#define BIOS_RLS (1 << 7) +#define SWSMI_TMR_EN (1 << 6) +#define APMC_EN (1 << 5) +#define SLP_SMI_EN (1 << 4) +#define LEGACY_USB_EN (1 << 3) +#define BIOS_EN (1 << 2) +#define EOS (1 << 1) +#define GBL_SMI_EN (1 << 0) +#define SMI_STS 0x34 +#define SMI_STS_BITS 32 +#define XHCI_SMI_STS_BIT 31 +#define ME_SMI_STS_BIT 30 +#define ESPI_SMI_STS_BIT 28 +#define GPIO_UNLOCK_SMI_STS_BIT 27 +#define SPI_SMI_STS_BIT 26 +#define SCC_SMI_STS_BIT 25 +#define MONITOR_STS_BIT 21 +#define PCI_EXP_SMI_STS_BIT 20 +#define SMBUS_SMI_STS_BIT 16 +#define SERIRQ_SMI_STS_BIT 15 +#define PERIODIC_STS_BIT 14 +#define TCO_STS_BIT 13 +#define DEVMON_STS_BIT 12 +#define MCSMI_STS_BIT 11 +#define GPIO_STS_BIT 10 +#define GPE0_STS_BIT 9 +#define PM1_STS_BIT 8 +#define SWSMI_TMR_STS_BIT 6 +#define APM_STS_BIT 5 +#define SMI_ON_SLP_EN_STS_BIT 4 +#define LEGACY_USB_STS_BIT 3 +#define BIOS_STS_BIT 2 +#define GPE_CNTL 0x42 +#define SWGPE_CTRL (1 << 1) +#define DEVACT_STS 0x44 +#define PM2_CNT 0x50 + +#define GPE0_REG_MAX 4 +#define GPE0_REG_SIZE 32 +#define GPE0_STS(x) (0x60 + ((x) * 4)) +#define GPE_31_0 0 /* 0x60/0x70 = GPE[31:0] */ +#define GPE_63_32 1 /* 0x64/0x74 = GPE[63:32] */ +#define GPE_95_64 2 /* 0x68/0x78 = GPE[95:64] */ +#define GPE_STD 3 /* 0x6c/0x7c = Standard GPE */ +#define GPE_STS_RSVD GPE_STD +#define WADT_STS (1 << 18) +#define GPIO_T2_STS (1 << 15) +#define ESPI_STS (1 << 14) +#define PME_B0_STS (1 << 13) +#define ME_SCI_STS (1 << 12) +#define PME_STS (1 << 11) +#define BATLOW_STS (1 << 10) +#define PCI_EXP_STS (1 << 9) +#define SMB_WAK_STS (1 << 7) +#define TCOSCI_STS (1 << 6) +#define SWGPE_STS (1 << 2) +#define HOT_PLUG_STS (1 << 1) +#define GPE0_EN(x) (0x70 + ((x) * 4)) +#define WADT_EN (1 << 18) +#define GPIO_T2_EN (1 << 15) +#define ESPI_EN (1 << 14) +#define PME_B0_EN_BIT 13 +#define PME_B0_EN (1 << PME_B0_EN_BIT) +#define ME_SCI_EN (1 << 12) +#define PME_EN (1 << 11) +#define BATLOW_EN (1 << 10) +#define PCI_EXP_EN (1 << 9) +#define TCOSCI_EN (1 << 6) +#define SWGPE_EN (1 << 2) +#define HOT_PLUG_EN (1 << 1) + +#define EN_BLOCK 3 + +/* + * Enable SMI generation: + * - on APMC writes (io 0xb2) + * - on writes to SLP_EN (sleep states) + * - on writes to GBL_RLS (bios commands) + * - on eSPI events (does nothing on LPC systems) + * No SMIs: + * - on TCO events, unless enabled in common code + * - on microcontroller writes (io 0x62/0x66) + */ +#define ENABLE_SMI_PARAMS \ + (APMC_EN | SLP_SMI_EN | GBL_SMI_EN | ESPI_SMI_EN | EOS) + +#define PSS_RATIO_STEP 2 +#define PSS_MAX_ENTRIES 8 +#define PSS_LATENCY_TRANSITION 10 +#define PSS_LATENCY_BUSMASTER 10 + +#if !defined(__ACPI__) + +#include +#include +#include +#include +#include + +struct chipset_power_state { + uint16_t pm1_sts; + uint16_t pm1_en; + uint32_t pm1_cnt; + uint16_t tco1_sts; + uint16_t tco2_sts; + uint32_t gpe0_sts[4]; + uint32_t gpe0_en[4]; + uint32_t gen_pmcon_a; + uint32_t gen_pmcon_b; + uint32_t gblrst_cause[2]; + uint32_t prev_sleep_state; +} __packed; + +/* Get base address PMC memory mapped registers. */ +uint8_t *pmc_mmio_regs(void); + +/* Get base address of TCO I/O registers. */ +uint16_t smbus_tco_regs(void); + +/* Set the DISB after DRAM init */ +void pmc_set_disb(void); + +/* Clear PMCON status bits */ +void pmc_clear_pmcon_sts(void); + +/* STM Support */ +uint16_t get_pmbase(void); +#endif /* !defined(__ACPI__) */ +#endif diff --git a/src/soc/intel/elkhartlake/include/soc/smbus.h b/src/soc/intel/elkhartlake/include/soc/smbus.h new file mode 100644 index 0000000000..0ea469c8c9 --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/smbus.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_ELKHARTLAKE_SMBUS_H_ +#define _SOC_ELKHARTLAKE_SMBUS_H_ + +/* IO and MMIO registers under primary BAR */ + +/* TCO registers and fields live behind TCOBASE I/O bar in SMBus device. */ +#define TCO1_STS 0x04 +#define TCO_TIMEOUT (1 << 3) +#define TCO2_STS 0x06 +#define TCO_STS_SECOND_TO (1 << 1) +#define TCO_INTRD_DET (1 << 0) +#define TCO1_CNT 0x08 +#define TCO_LOCK (1 << 12) +#define TCO_TMR_HLT (1 << 11) +#define TCO2_CNT 0x0A +#define TCO_INTRD_SEL_MASK (3 << 1) +#define TCO_INTRD_SEL_SMI (1 << 2) +#define TCO_INTRD_SEL_INT (1 << 1) + +/* + * Default slave address value for PCH. This value is set to match default + * value set by hardware. It is useful since PCH is able to respond even + * before CPU is up. This is reset by RSMRST# but not by PLTRST#. + */ +#define SMBUS_SLAVE_ADDR 0x44 + +#endif