| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <amdblocks/spi.h> |
| #include <console/console.h> |
| #include <device/mmio.h> |
| #include <bootstate.h> |
| #include <cpu/x86/smm.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ops.h> |
| #include <cbmem.h> |
| #include <acpi/acpi_gnvs.h> |
| #include <amdblocks/amd_pci_util.h> |
| #include <amdblocks/agesawrapper.h> |
| #include <amdblocks/aoac.h> |
| #include <amdblocks/reset.h> |
| #include <amdblocks/acpimmio.h> |
| #include <amdblocks/lpc.h> |
| #include <amdblocks/acpi.h> |
| #include <amdblocks/pmlib.h> |
| #include <amdblocks/smbus.h> |
| #include <amdblocks/smi.h> |
| #include <soc/southbridge.h> |
| #include <soc/smi.h> |
| #include <soc/amd_pci_int_defs.h> |
| #include <delay.h> |
| #include <soc/pci_devs.h> |
| #include <agesa_headers.h> |
| #include <soc/acpi.h> |
| #include <soc/aoac_defs.h> |
| #include <soc/lpc.h> |
| #include <soc/nvs.h> |
| #include <types.h> |
| |
| /* |
| * Table of devices that need their AOAC registers enabled and waited |
| * upon (usually about .55 milliseconds). Instead of individual delays |
| * waiting for each device to become available, a single delay will be |
| * executed. |
| */ |
| static const unsigned int aoac_devs[] = { |
| FCH_AOAC_DEV_UART0 + CONFIG_UART_FOR_CONSOLE * 2, |
| FCH_AOAC_DEV_AMBA, |
| FCH_AOAC_DEV_I2C0, |
| FCH_AOAC_DEV_I2C1, |
| FCH_AOAC_DEV_I2C2, |
| FCH_AOAC_DEV_I2C3, |
| }; |
| |
| static int is_sata_config(void) |
| { |
| return !((SataNativeIde == CONFIG_STONEYRIDGE_SATA_MODE) |
| || (SataLegacyIde == CONFIG_STONEYRIDGE_SATA_MODE)); |
| } |
| |
| static inline int sb_sata_enable(void) |
| { |
| /* True if IDE or AHCI. */ |
| return (SataNativeIde == CONFIG_STONEYRIDGE_SATA_MODE) || |
| (SataAhci == CONFIG_STONEYRIDGE_SATA_MODE); |
| } |
| |
| static inline int sb_ide_enable(void) |
| { |
| /* True if IDE or LEGACY IDE. */ |
| return (SataNativeIde == CONFIG_STONEYRIDGE_SATA_MODE) || |
| (SataLegacyIde == CONFIG_STONEYRIDGE_SATA_MODE); |
| } |
| |
| void SetFchResetParams(FCH_RESET_INTERFACE *params) |
| { |
| const struct device *dev = pcidev_path_on_root(SATA_DEVFN); |
| params->Xhci0Enable = CONFIG(STONEYRIDGE_XHCI_ENABLE); |
| if (dev && dev->enabled) { |
| params->SataEnable = sb_sata_enable(); |
| params->IdeEnable = sb_ide_enable(); |
| } else { |
| params->SataEnable = FALSE; |
| params->IdeEnable = FALSE; |
| } |
| } |
| |
| void SetFchEnvParams(FCH_INTERFACE *params) |
| { |
| const struct device *dev = pcidev_path_on_root(SATA_DEVFN); |
| params->AzaliaController = AzEnable; |
| params->SataClass = CONFIG_STONEYRIDGE_SATA_MODE; |
| if (dev && dev->enabled) { |
| params->SataEnable = is_sata_config(); |
| params->IdeEnable = !params->SataEnable; |
| params->SataIdeMode = (CONFIG_STONEYRIDGE_SATA_MODE == |
| SataLegacyIde); |
| } else { |
| params->SataEnable = FALSE; |
| params->IdeEnable = FALSE; |
| params->SataIdeMode = FALSE; |
| } |
| } |
| |
| void SetFchMidParams(FCH_INTERFACE *params) |
| { |
| SetFchEnvParams(params); |
| } |
| |
| /* |
| * Table of APIC register index and associated IRQ name. Using IDX_XXX_NAME |
| * provides a visible association with the index, therefore helping |
| * maintainability of table. If a new index/name is defined in |
| * amd_pci_int_defs.h, just add the pair at the end of this table. |
| * Order is not important. |
| */ |
| static const struct irq_idx_name irq_association[] = { |
| { PIRQ_A, "INTA#" }, |
| { PIRQ_B, "INTB#" }, |
| { PIRQ_C, "INTC#" }, |
| { PIRQ_D, "INTD#" }, |
| { PIRQ_E, "INTE#" }, |
| { PIRQ_F, "INTF#" }, |
| { PIRQ_G, "INTG#" }, |
| { PIRQ_H, "INTH#" }, |
| { PIRQ_MISC, "Misc" }, |
| { PIRQ_MISC0, "Misc0" }, |
| { PIRQ_MISC1, "Misc1" }, |
| { PIRQ_MISC2, "Misc2" }, |
| { PIRQ_SIRQA, "Ser IRQ INTA" }, |
| { PIRQ_SIRQB, "Ser IRQ INTB" }, |
| { PIRQ_SIRQC, "Ser IRQ INTC" }, |
| { PIRQ_SIRQD, "Ser IRQ INTD" }, |
| { PIRQ_SCI, "SCI" }, |
| { PIRQ_SMBUS, "SMBUS" }, |
| { PIRQ_ASF, "ASF" }, |
| { PIRQ_HDA, "HDA" }, |
| { PIRQ_FC, "FC" }, |
| { PIRQ_PMON, "PerMon" }, |
| { PIRQ_SD, "SD" }, |
| { PIRQ_SDIO, "SDIOt" }, |
| { PIRQ_EHCI, "EHCI" }, |
| { PIRQ_XHCI, "XHCI" }, |
| { PIRQ_SATA, "SATA" }, |
| { PIRQ_GPIO, "GPIO" }, |
| { PIRQ_I2C0, "I2C0" }, |
| { PIRQ_I2C1, "I2C1" }, |
| { PIRQ_I2C2, "I2C2" }, |
| { PIRQ_I2C3, "I2C3" }, |
| { PIRQ_UART0, "UART0" }, |
| { PIRQ_UART1, "UART1" }, |
| }; |
| |
| const struct irq_idx_name *sb_get_apic_reg_association(size_t *size) |
| { |
| *size = ARRAY_SIZE(irq_association); |
| return irq_association; |
| } |
| |
| void enable_aoac_devices(void) |
| { |
| bool status; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(aoac_devs); i++) |
| power_on_aoac_device(aoac_devs[i]); |
| |
| /* Wait for AOAC devices to indicate power and clock OK */ |
| do { |
| udelay(100); |
| status = true; |
| for (i = 0; i < ARRAY_SIZE(aoac_devs); i++) |
| status &= is_aoac_device_enabled(aoac_devs[i]); |
| } while (!status); |
| } |
| |
| static void sb_enable_lpc(void) |
| { |
| u8 byte; |
| |
| /* Enable LPC controller */ |
| byte = pm_io_read8(PM_LPC_GATING); |
| byte |= PM_LPC_ENABLE; |
| pm_io_write8(PM_LPC_GATING, byte); |
| } |
| |
| static void sb_lpc_decode(void) |
| { |
| u32 tmp = 0; |
| |
| /* Enable I/O decode to LPC bus */ |
| tmp = DECODE_ENABLE_PARALLEL_PORT0 | DECODE_ENABLE_PARALLEL_PORT2 |
| | DECODE_ENABLE_PARALLEL_PORT4 | DECODE_ENABLE_SERIAL_PORT0 |
| | DECODE_ENABLE_SERIAL_PORT1 | DECODE_ENABLE_SERIAL_PORT2 |
| | DECODE_ENABLE_SERIAL_PORT3 | DECODE_ENABLE_SERIAL_PORT4 |
| | DECODE_ENABLE_SERIAL_PORT5 | DECODE_ENABLE_SERIAL_PORT6 |
| | DECODE_ENABLE_SERIAL_PORT7 | DECODE_ENABLE_AUDIO_PORT0 |
| | DECODE_ENABLE_AUDIO_PORT1 | DECODE_ENABLE_AUDIO_PORT2 |
| | DECODE_ENABLE_AUDIO_PORT3 | DECODE_ENABLE_MSS_PORT2 |
| | DECODE_ENABLE_MSS_PORT3 | DECODE_ENABLE_FDC_PORT0 |
| | DECODE_ENABLE_FDC_PORT1 | DECODE_ENABLE_GAME_PORT |
| | DECODE_ENABLE_KBC_PORT | DECODE_ENABLE_ACPIUC_PORT |
| | DECODE_ENABLE_ADLIB_PORT; |
| |
| /* Decode SIOs at 2E/2F and 4E/4F */ |
| if (CONFIG(STONEYRIDGE_LEGACY_FREE)) |
| tmp |= DECODE_ALTERNATE_SIO_ENABLE | DECODE_SIO_ENABLE; |
| |
| lpc_enable_decode(tmp); |
| } |
| |
| void fch_clk_output_48Mhz(u32 osc) |
| { |
| u32 ctrl; |
| |
| /* |
| * Clear the disable for OSCOUT1 (signal typically named XnnM_25M_48M) |
| * or OSCOUT2 (USBCLK/25M_48M_OSC). The frequency defaults to 48MHz. |
| */ |
| ctrl = misc_read32(MISC_CLK_CNTL1); |
| |
| switch (osc) { |
| case 1: |
| ctrl &= ~OSCOUT1_CLK_OUTPUT_ENB; |
| break; |
| case 2: |
| ctrl &= ~OSCOUT2_CLK_OUTPUT_ENB; |
| break; |
| default: |
| return; /* do nothing if invalid */ |
| } |
| misc_write32(MISC_CLK_CNTL1, ctrl); |
| } |
| |
| static void sb_init_spi_base(void) |
| { |
| /* Make sure the base address is predictable */ |
| if (ENV_X86) |
| lpc_set_spibase(SPI_BASE_ADDRESS); |
| lpc_enable_spi_rom(SPI_ROM_ENABLE); |
| } |
| |
| void sb_set_spi100(u16 norm, u16 fast, u16 alt, u16 tpm) |
| { |
| spi_write16(SPI100_SPEED_CONFIG, |
| (norm << SPI_NORM_SPEED_NEW_SH) | |
| (fast << SPI_FAST_SPEED_NEW_SH) | |
| (alt << SPI_ALT_SPEED_NEW_SH) | |
| (tpm << SPI_TPM_SPEED_NEW_SH)); |
| spi_write16(SPI100_ENABLE, SPI_USE_SPI100); |
| } |
| |
| static void sb_disable_4dw_burst(void) |
| { |
| spi_write16(SPI100_HOST_PREF_CONFIG, |
| spi_read16(SPI100_HOST_PREF_CONFIG) & ~SPI_RD4DW_EN_HOST); |
| } |
| |
| void sb_read_mode(u32 mode) |
| { |
| spi_write32(SPI_CNTRL0, |
| (spi_read32(SPI_CNTRL0) & ~SPI_READ_MODE_MASK) | mode); |
| } |
| |
| static void setup_spread_spectrum(int *reboot) |
| { |
| uint16_t rstcfg = pm_read16(PWR_RESET_CFG); |
| |
| rstcfg &= ~TOGGLE_ALL_PWR_GOOD; |
| pm_write16(PWR_RESET_CFG, rstcfg); |
| |
| uint32_t cntl1 = misc_read32(MISC_CLK_CNTL1); |
| |
| if (cntl1 & CG1PLL_FBDIV_TEST) { |
| printk(BIOS_DEBUG, "Spread spectrum is ready\n"); |
| misc_write32(MISC_CGPLL_CONFIG1, |
| misc_read32(MISC_CGPLL_CONFIG1) | |
| CG1PLL_SPREAD_SPECTRUM_ENABLE); |
| |
| return; |
| } |
| |
| printk(BIOS_DEBUG, "Setting up spread spectrum\n"); |
| |
| uint32_t cfg6 = misc_read32(MISC_CGPLL_CONFIG6); |
| cfg6 &= ~CG1PLL_LF_MODE_MASK; |
| cfg6 |= (0x0f8 << CG1PLL_LF_MODE_SHIFT) & CG1PLL_LF_MODE_MASK; |
| misc_write32(MISC_CGPLL_CONFIG6, cfg6); |
| |
| uint32_t cfg3 = misc_read32(MISC_CGPLL_CONFIG3); |
| cfg3 &= ~CG1PLL_REFDIV_MASK; |
| cfg3 |= (0x003 << CG1PLL_REFDIV_SHIFT) & CG1PLL_REFDIV_MASK; |
| cfg3 &= ~CG1PLL_FBDIV_MASK; |
| cfg3 |= (0x04b << CG1PLL_FBDIV_SHIFT) & CG1PLL_FBDIV_MASK; |
| misc_write32(MISC_CGPLL_CONFIG3, cfg3); |
| |
| uint32_t cfg5 = misc_read32(MISC_CGPLL_CONFIG5); |
| cfg5 &= ~SS_AMOUNT_NFRAC_SLIP_MASK; |
| cfg5 |= (0x2 << SS_AMOUNT_NFRAC_SLIP_SHIFT) & SS_AMOUNT_NFRAC_SLIP_MASK; |
| misc_write32(MISC_CGPLL_CONFIG5, cfg5); |
| |
| uint32_t cfg4 = misc_read32(MISC_CGPLL_CONFIG4); |
| cfg4 &= ~SS_AMOUNT_DSFRAC_MASK; |
| cfg4 |= (0xd000 << SS_AMOUNT_DSFRAC_SHIFT) & SS_AMOUNT_DSFRAC_MASK; |
| cfg4 &= ~SS_STEP_SIZE_DSFRAC_MASK; |
| cfg4 |= (0x02d5 << SS_STEP_SIZE_DSFRAC_SHIFT) |
| & SS_STEP_SIZE_DSFRAC_MASK; |
| misc_write32(MISC_CGPLL_CONFIG4, cfg4); |
| |
| rstcfg |= TOGGLE_ALL_PWR_GOOD; |
| pm_write16(PWR_RESET_CFG, rstcfg); |
| |
| cntl1 |= CG1PLL_FBDIV_TEST; |
| misc_write32(MISC_CLK_CNTL1, cntl1); |
| |
| *reboot = 1; |
| } |
| |
| static void setup_misc(int *reboot) |
| { |
| /* Undocumented register */ |
| uint32_t reg = misc_read32(0x50); |
| if (!(reg & BIT(16))) { |
| reg |= BIT(16); |
| |
| misc_write32(0x50, reg); |
| *reboot = 1; |
| } |
| } |
| |
| /* Before console init */ |
| void bootblock_fch_early_init(void) |
| { |
| int reboot = 0; |
| |
| /* Enable_acpimmio_decode_pm04 to enable the ACPIMMIO decode which is needed to access |
| the GPIO registers. */ |
| enable_acpimmio_decode_pm04(); |
| lpc_enable_rom(); |
| sb_enable_lpc(); |
| lpc_enable_port80(); |
| sb_lpc_decode(); |
| lpc_enable_spi_prefetch(); |
| sb_init_spi_base(); |
| sb_disable_4dw_burst(); /* Must be disabled on CZ(ST) */ |
| fch_smbus_init(); |
| fch_enable_cf9_io(); |
| setup_spread_spectrum(&reboot); |
| setup_misc(&reboot); |
| |
| if (reboot) |
| warm_reset(); |
| |
| fch_enable_legacy_io(); |
| enable_aoac_devices(); |
| |
| /* disable the keyboard reset function before mainboard GPIO setup */ |
| if (CONFIG(DISABLE_KEYBOARD_RESET_PIN)) |
| fch_disable_kb_rst(); |
| } |
| |
| /* After console init */ |
| void bootblock_fch_init(void) |
| { |
| pm_set_power_failure_state(); |
| fch_print_pmxc0_status(); |
| show_spi_speeds_and_modes(); |
| } |
| |
| static void fch_init_acpi_ports(void) |
| { |
| u32 reg; |
| |
| /* We use some of these ports in SMM regardless of whether or not |
| * ACPI tables are generated. Enable these ports indiscriminately. |
| */ |
| |
| pm_write16(PM_EVT_BLK, ACPI_PM_EVT_BLK); |
| pm_write16(PM1_CNT_BLK, ACPI_PM1_CNT_BLK); |
| pm_write16(PM_TMR_BLK, ACPI_PM_TMR_BLK); |
| pm_write16(PM_GPE0_BLK, ACPI_GPE0_BLK); |
| /* CpuControl is in \_SB.CP00, 6 bytes */ |
| pm_write16(PM_CPU_CTRL, ACPI_CPU_CONTROL); |
| |
| if (CONFIG(HAVE_SMI_HANDLER)) { |
| /* APMC - SMI Command Port */ |
| pm_write16(PM_ACPI_SMI_CMD, APM_CNT); |
| configure_smi(SMITYPE_SMI_CMD_PORT, SMI_MODE_SMI); |
| |
| /* SMI on SlpTyp requires sending SMI before completion |
| * response of the I/O write. The BKDG also specifies |
| * clearing ForceStpClkRetry for SMI trapping. |
| */ |
| reg = pm_read32(PM_PCI_CTRL); |
| reg |= FORCE_SLPSTATE_RETRY; |
| reg &= ~FORCE_STPCLK_RETRY; |
| pm_write32(PM_PCI_CTRL, reg); |
| |
| /* Disable SlpTyp feature */ |
| reg = pm_read8(PM_RST_CTRL1); |
| reg &= ~SLPTYPE_CONTROL_EN; |
| pm_write8(PM_RST_CTRL1, reg); |
| |
| configure_smi(SMITYPE_SLP_TYP, SMI_MODE_SMI); |
| } else { |
| pm_write16(PM_ACPI_SMI_CMD, 0); |
| } |
| |
| /* Decode ACPI registers and enable standard features */ |
| pm_write8(PM_ACPI_CONF, PM_ACPI_DECODE_STD | |
| PM_ACPI_GLOBAL_EN | |
| PM_ACPI_RTC_EN_EN | |
| PM_ACPI_TIMER_EN_EN); |
| } |
| |
| void fch_init(void *chip_info) |
| { |
| fch_init_acpi_ports(); |
| } |
| |
| static void set_sb_aoac(struct aoac_devs *aoac) |
| { |
| const struct device *sd, *sata; |
| |
| aoac->ic0e = is_aoac_device_enabled(FCH_AOAC_DEV_I2C0); |
| aoac->ic1e = is_aoac_device_enabled(FCH_AOAC_DEV_I2C1); |
| aoac->ic2e = is_aoac_device_enabled(FCH_AOAC_DEV_I2C2); |
| aoac->ic3e = is_aoac_device_enabled(FCH_AOAC_DEV_I2C3); |
| aoac->ut0e = is_aoac_device_enabled(FCH_AOAC_DEV_UART0); |
| aoac->ut1e = is_aoac_device_enabled(FCH_AOAC_DEV_UART1); |
| aoac->ehce = is_aoac_device_enabled(FCH_AOAC_DEV_USB2); |
| aoac->xhce = is_aoac_device_enabled(FCH_AOAC_DEV_USB3); |
| |
| /* Rely on these being in sync with devicetree */ |
| sd = pcidev_path_on_root(SD_DEVFN); |
| aoac->sd_e = sd && sd->enabled ? 1 : 0; |
| sata = pcidev_path_on_root(SATA_DEVFN); |
| aoac->st_e = sata && sata->enabled ? 1 : 0; |
| aoac->espi = 1; |
| } |
| |
| static void set_sb_gnvs(struct global_nvs *gnvs) |
| { |
| uintptr_t amdfw_rom; |
| uintptr_t xhci_fw; |
| uintptr_t fwaddr; |
| size_t fwsize; |
| |
| amdfw_rom = 0x20000 - (0x80000 << CONFIG_AMD_FWM_POSITION_INDEX); |
| xhci_fw = read32((void *)(amdfw_rom + XHCI_FW_SIG_OFFSET)); |
| |
| fwaddr = 2 + read16((void *)(xhci_fw + XHCI_FW_ADDR_OFFSET |
| + XHCI_FW_BOOTRAM_SIZE)); |
| fwsize = read16((void *)(xhci_fw + XHCI_FW_SIZE_OFFSET |
| + XHCI_FW_BOOTRAM_SIZE)); |
| gnvs->fw00 = 0; |
| gnvs->fw01 = ((32 * KiB) << 16) + 0; |
| gnvs->fw02 = fwaddr + XHCI_FW_BOOTRAM_SIZE; |
| gnvs->fw03 = fwsize << 16; |
| |
| gnvs->eh10 = pci_read_config32(SOC_EHCI1_DEV, PCI_BASE_ADDRESS_0) |
| & ~PCI_BASE_ADDRESS_MEM_ATTR_MASK; |
| } |
| |
| void fch_final(void *chip_info) |
| { |
| struct global_nvs *gnvs = acpi_get_gnvs(); |
| if (gnvs) { |
| set_sb_aoac(&gnvs->aoac); |
| set_sb_gnvs(gnvs); |
| } |
| } |
| |
| /* |
| * Update the PCI devices with a valid IRQ number |
| * that is set in the mainboard PCI_IRQ structures. |
| */ |
| static void set_pci_irqs(void *unused) |
| { |
| /* Write PCI_INTR regs 0xC00/0xC01 */ |
| write_pci_int_table(); |
| |
| /* Write IRQs for all devicetree enabled devices */ |
| write_pci_cfg_irqs(); |
| } |
| |
| /* |
| * Hook this function into the PCI state machine |
| * on entry into BS_DEV_ENABLE. |
| */ |
| BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, set_pci_irqs, NULL); |