diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cpu/intel/model_1067x/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/cpu/intel/model_6fx/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/cpu/intel/smm/gen1/smi.h | 1 | ||||
| -rw-r--r-- | src/cpu/intel/smm/gen1/smmrelocate.c | 2 | ||||
| -rw-r--r-- | src/northbridge/intel/fsp_sandybridge/northbridge.c | 5 | ||||
| -rw-r--r-- | src/northbridge/intel/gm45/Kconfig | 1 | ||||
| -rw-r--r-- | src/northbridge/intel/gm45/gm45.h | 1 | ||||
| -rw-r--r-- | src/northbridge/intel/gm45/northbridge.c | 38 | ||||
| -rw-r--r-- | src/northbridge/intel/gm45/ram_calc.c | 12 | ||||
| -rw-r--r-- | src/northbridge/intel/nehalem/northbridge.c | 5 | ||||
| -rw-r--r-- | src/northbridge/intel/sandybridge/northbridge.c | 5 | ||||
| -rw-r--r-- | src/southbridge/intel/common/smihandler.c | 4 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801ix/Kconfig | 2 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801ix/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801ix/smi.c | 205 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801ix/smihandler.c | 423 |
16 files changed, 81 insertions, 627 deletions
diff --git a/src/cpu/intel/model_1067x/Makefile.inc b/src/cpu/intel/model_1067x/Makefile.inc index 3e6cb2c24b..133c9cff8f 100644 --- a/src/cpu/intel/model_1067x/Makefile.inc +++ b/src/cpu/intel/model_1067x/Makefile.inc @@ -1,5 +1,6 @@ ramstage-y += model_1067x_init.c subdirs-y += ../../x86/name subdirs-y += ../common +subdirs-$(CONFIG_SMM_TSEG) += ../smm/gen1 cpu_microcode_bins += 3rdparty/blobs/cpu/intel/model_1067x/microcode.bin diff --git a/src/cpu/intel/model_6fx/Makefile.inc b/src/cpu/intel/model_6fx/Makefile.inc index de6fd8d93d..a0824fdb18 100644 --- a/src/cpu/intel/model_6fx/Makefile.inc +++ b/src/cpu/intel/model_6fx/Makefile.inc @@ -1,5 +1,6 @@ ramstage-y += model_6fx_init.c subdirs-y += ../../x86/name subdirs-y += ../common +subdirs-$(CONFIG_SMM_TSEG) += ../smm/gen1 cpu_microcode_bins += 3rdparty/blobs/cpu/intel/model_6fx/microcode.bin diff --git a/src/cpu/intel/smm/gen1/smi.h b/src/cpu/intel/smm/gen1/smi.h index c328eae91a..f4cbbc3699 100644 --- a/src/cpu/intel/smm/gen1/smi.h +++ b/src/cpu/intel/smm/gen1/smi.h @@ -16,5 +16,6 @@ void southbridge_smm_init(void); void southbridge_trigger_smi(void); void southbridge_clear_smi_status(void); u32 northbridge_get_tseg_base(void); +u32 northbridge_get_tseg_size(void); int cpu_get_apic_id_map(int *apic_id_map); void northbridge_write_smram(u8 smram); diff --git a/src/cpu/intel/smm/gen1/smmrelocate.c b/src/cpu/intel/smm/gen1/smmrelocate.c index c50d8a4743..b48fe006bc 100644 --- a/src/cpu/intel/smm/gen1/smmrelocate.c +++ b/src/cpu/intel/smm/gen1/smmrelocate.c @@ -147,7 +147,7 @@ static void fill_in_relocation_params(struct smm_relocation_params *params) /* TSEG base is usually aligned down (to 8MiB). So we can't derive the TSEG size from the distance to GTT but use the configuration value instead. */ - const u32 tseg_size = CONFIG_SMM_TSEG_SIZE; + const u32 tseg_size = northbridge_get_tseg_size(); /* The SMRAM available to the handler is 4MiB since the IEDRAM lives at TSEGMB + 4MiB. */ diff --git a/src/northbridge/intel/fsp_sandybridge/northbridge.c b/src/northbridge/intel/fsp_sandybridge/northbridge.c index 24969d4408..b192161666 100644 --- a/src/northbridge/intel/fsp_sandybridge/northbridge.c +++ b/src/northbridge/intel/fsp_sandybridge/northbridge.c @@ -296,6 +296,11 @@ void northbridge_write_smram(u8 smram) pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), SMRAM, smram); } +u32 northbridge_get_tseg_size(void) +{ + return CONFIG_SMM_TSEG_SIZE; +} + static struct pci_operations intel_pci_ops = { .set_subsystem = intel_set_subsystem, }; diff --git a/src/northbridge/intel/gm45/Kconfig b/src/northbridge/intel/gm45/Kconfig index a45e84129c..7b4250f0f3 100644 --- a/src/northbridge/intel/gm45/Kconfig +++ b/src/northbridge/intel/gm45/Kconfig @@ -30,6 +30,7 @@ config NORTHBRIDGE_SPECIFIC_OPTIONS # dummy select HAVE_VGA_TEXT_FRAMEBUFFER if MAINBOARD_DO_NATIVE_VGA_INIT select POSTCAR_STAGE select POSTCAR_CONSOLE + select SMM_TSEG config CBFS_SIZE hex diff --git a/src/northbridge/intel/gm45/gm45.h b/src/northbridge/intel/gm45/gm45.h index 5373e5e733..95863d93d2 100644 --- a/src/northbridge/intel/gm45/gm45.h +++ b/src/northbridge/intel/gm45/gm45.h @@ -434,6 +434,7 @@ void gm45_late_init(stepping_t); u32 decode_igd_memory_size(u32 gms); u32 decode_igd_gtt_size(u32 gsm); u32 decode_tseg_size(u8 esmramc); +uintptr_t smm_region_start(void); void init_iommu(void); diff --git a/src/northbridge/intel/gm45/northbridge.c b/src/northbridge/intel/gm45/northbridge.c index 663a9ff579..da37e33145 100644 --- a/src/northbridge/intel/gm45/northbridge.c +++ b/src/northbridge/intel/gm45/northbridge.c @@ -25,6 +25,7 @@ #include <boot/tables.h> #include <arch/acpi.h> #include <cbmem.h> +#include <cpu/intel/smm/gen1/smi.h> #include "chip.h" #include "gm45.h" #include "arch/acpi.h" @@ -207,6 +208,43 @@ static const char *northbridge_acpi_name(const struct device *dev) return NULL; } +u32 northbridge_get_tseg_base(void) +{ + return (u32)smm_region_start(); +} + +u32 northbridge_get_tseg_size(void) +{ + const u8 esmramc = pci_read_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), + D0F0_ESMRAMC); + return decode_tseg_size(esmramc) << 10; +} + +void northbridge_write_smram(u8 smram) +{ + pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), D0F0_SMRAM, smram); +} + +/* + * Really doesn't belong here but will go away with parallel mp init, + * so let it be here for a while... + */ +int cpu_get_apic_id_map(int *apic_id_map) +{ + unsigned int i; + + /* Logical processors (threads) per core */ + const struct cpuid_result cpuid1 = cpuid(1); + /* Read number of cores. */ + const char cores = (cpuid1.ebx >> 16) & 0xf; + + /* TODO in parallel MP cpuid(1).ebx */ + for (i = 0; i < cores; i++) + apic_id_map[i] = i; + + return cores; +} + static struct device_operations pci_domain_ops = { .read_resources = mch_domain_read_resources, .set_resources = mch_domain_set_resources, diff --git a/src/northbridge/intel/gm45/ram_calc.c b/src/northbridge/intel/gm45/ram_calc.c index 011d90347b..0e953419fe 100644 --- a/src/northbridge/intel/gm45/ram_calc.c +++ b/src/northbridge/intel/gm45/ram_calc.c @@ -83,7 +83,7 @@ u32 decode_tseg_size(u8 esmramc) } } -static uintptr_t smm_region_start(void) +uintptr_t smm_region_start(void) { const pci_devfn_t dev = PCI_DEV(0, 0, 0); @@ -135,14 +135,12 @@ void platform_enter_postcar(void) /* Cache RAM as WB from 0 -> CACHE_TMP_RAMTOP. */ postcar_frame_add_mtrr(&pcf, 0, CACHE_TMP_RAMTOP, MTRR_TYPE_WRBACK); - /* Cache two separate 4 MiB regions below the top of ram, this - * satisfies MTRR alignment requirements. If you modify this to - * cover TSEG, make sure UMA region is not set with WRBACK as it - * causes hard-to-recover boot failures. + /* Cache a 8 MiB region below the top of ram and 8 MiB above top of + * ram to cover both cbmem as the TSEG region. */ top_of_ram = (uintptr_t)cbmem_top(); - postcar_frame_add_mtrr(&pcf, top_of_ram - 4*MiB, 4*MiB, MTRR_TYPE_WRBACK); - postcar_frame_add_mtrr(&pcf, top_of_ram - 8*MiB, 4*MiB, MTRR_TYPE_WRBACK); + postcar_frame_add_mtrr(&pcf, top_of_ram - 8*MiB, 16*MiB, + MTRR_TYPE_WRBACK); run_postcar_phase(&pcf); diff --git a/src/northbridge/intel/nehalem/northbridge.c b/src/northbridge/intel/nehalem/northbridge.c index 6fc61c3746..8f55e3c424 100644 --- a/src/northbridge/intel/nehalem/northbridge.c +++ b/src/northbridge/intel/nehalem/northbridge.c @@ -180,6 +180,11 @@ u32 northbridge_get_tseg_base(void) return pci_read_config32(dev, TSEG) & ~1; } +u32 northbridge_get_tseg_size(void) +{ + return CONFIG_SMM_TSEG_SIZE; +} + static void mc_set_resources(struct device *dev) { /* And call the normal set_resources */ diff --git a/src/northbridge/intel/sandybridge/northbridge.c b/src/northbridge/intel/sandybridge/northbridge.c index 8c2aaf34e7..aab3931710 100644 --- a/src/northbridge/intel/sandybridge/northbridge.c +++ b/src/northbridge/intel/sandybridge/northbridge.c @@ -472,6 +472,11 @@ u32 northbridge_get_tseg_base(void) return northbridge_get_base_reg(dev, TSEG); } +u32 northbridge_get_tseg_size(void) +{ + return CONFIG_SMM_TSEG_SIZE; +} + void northbridge_write_smram(u8 smram) { pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), SMRAM, smram); diff --git a/src/southbridge/intel/common/smihandler.c b/src/southbridge/intel/common/smihandler.c index fb2fe59bd1..0fd8ab0506 100644 --- a/src/southbridge/intel/common/smihandler.c +++ b/src/southbridge/intel/common/smihandler.c @@ -484,7 +484,11 @@ static smi_handler_t southbridge_smi[32] = { * @param node * @param state_save */ +#if IS_ENABLED(CONFIG_SMM_TSEG) void southbridge_smi_handler(void) +#else +void cpu_smi_handler(unsigned int node, smm_state_save_area_t *state_save) +#endif { int i, dump = 0; u32 smi_sts; diff --git a/src/southbridge/intel/i82801ix/Kconfig b/src/southbridge/intel/i82801ix/Kconfig index a6debcc378..236b43ace1 100644 --- a/src/southbridge/intel/i82801ix/Kconfig +++ b/src/southbridge/intel/i82801ix/Kconfig @@ -26,7 +26,9 @@ config SOUTHBRIDGE_INTEL_I82801IX select HAVE_SMI_HANDLER select HAVE_USBDEBUG_OPTIONS select SOUTHBRIDGE_INTEL_COMMON_GPIO + select SOUTHBRIDGE_INTEL_COMMON_SMM select HAVE_INTEL_FIRMWARE if !BOARD_EMULATION_QEMU_X86_Q35 + select ACPI_INTEL_HARDWARE_SLEEP_VALUES if SOUTHBRIDGE_INTEL_I82801IX diff --git a/src/southbridge/intel/i82801ix/Makefile.inc b/src/southbridge/intel/i82801ix/Makefile.inc index e563cfcc8b..32d8221213 100644 --- a/src/southbridge/intel/i82801ix/Makefile.inc +++ b/src/southbridge/intel/i82801ix/Makefile.inc @@ -32,8 +32,10 @@ ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/hda_verb.c ramstage-y += ../i82801gx/reset.c ramstage-y += ../i82801gx/watchdog.c +ifneq ($(CONFIG_SMM_TSEG),y) ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi.c ramstage-$(CONFIG_HAVE_SMI_HANDLER) += ../../../cpu/x86/smm/smmrelocate.S +endif smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c romstage-y += early_init.c diff --git a/src/southbridge/intel/i82801ix/smi.c b/src/southbridge/intel/i82801ix/smi.c index bf3aa6b0d5..2fa0c96659 100644 --- a/src/southbridge/intel/i82801ix/smi.c +++ b/src/southbridge/intel/i82801ix/smi.c @@ -25,6 +25,7 @@ #include <cpu/x86/cache.h> #include <cpu/x86/smm.h> #include <string.h> +#include <southbridge/intel/common/pmutil.h> #include "i82801ix.h" /* I945/GM45 */ @@ -40,199 +41,6 @@ */ static u16 pmbase = DEFAULT_PMBASE; -/** - * @brief read and clear PM1_STS - * @return PM1_STS register - */ -static u16 reset_pm1_status(void) -{ - u16 reg16; - - reg16 = inw(pmbase + PM1_STS); - /* set status bits are cleared by writing 1 to them */ - outw(reg16, pmbase + PM1_STS); - - return reg16; -} - -static void dump_pm1_status(u16 pm1_sts) -{ - printk(BIOS_DEBUG, "PM1_STS: "); - if (pm1_sts & (1 << 15)) printk(BIOS_DEBUG, "WAK "); - if (pm1_sts & (1 << 14)) printk(BIOS_DEBUG, "PCIEXPWAK "); - if (pm1_sts & (1 << 11)) printk(BIOS_DEBUG, "PRBTNOR "); - if (pm1_sts & (1 << 10)) printk(BIOS_DEBUG, "RTC "); - if (pm1_sts & (1 << 8)) printk(BIOS_DEBUG, "PWRBTN "); - if (pm1_sts & (1 << 5)) printk(BIOS_DEBUG, "GBL "); - if (pm1_sts & (1 << 4)) printk(BIOS_DEBUG, "BM "); - if (pm1_sts & (1 << 0)) printk(BIOS_DEBUG, "TMROF "); - printk(BIOS_DEBUG, "\n"); -} - -/** - * @brief read and clear SMI_STS - * @return SMI_STS register - */ -static u32 reset_smi_status(void) -{ - u32 reg32; - - reg32 = inl(pmbase + SMI_STS); - /* set status bits are cleared by writing 1 to them */ - outl(reg32, pmbase + SMI_STS); - - return reg32; -} - -static void dump_smi_status(u32 smi_sts) -{ - printk(BIOS_DEBUG, "SMI_STS: "); - if (smi_sts & (1 << 27)) printk(BIOS_DEBUG, "GPIO_UNLOCK "); - if (smi_sts & (1 << 26)) printk(BIOS_DEBUG, "SPI "); - if (smi_sts & (1 << 21)) printk(BIOS_DEBUG, "MONITOR "); - if (smi_sts & (1 << 20)) printk(BIOS_DEBUG, "PCI_EXP_SMI "); - if (smi_sts & (1 << 18)) printk(BIOS_DEBUG, "INTEL_USB2 "); - if (smi_sts & (1 << 17)) printk(BIOS_DEBUG, "LEGACY_USB2 "); - if (smi_sts & (1 << 16)) printk(BIOS_DEBUG, "SMBUS_SMI "); - if (smi_sts & (1 << 15)) printk(BIOS_DEBUG, "SERIRQ_SMI "); - if (smi_sts & (1 << 14)) printk(BIOS_DEBUG, "PERIODIC "); - if (smi_sts & (1 << 13)) printk(BIOS_DEBUG, "TCO "); - if (smi_sts & (1 << 12)) printk(BIOS_DEBUG, "DEVMON "); - if (smi_sts & (1 << 11)) printk(BIOS_DEBUG, "MCSMI "); - if (smi_sts & (1 << 10)) printk(BIOS_DEBUG, "GPI "); - if (smi_sts & (1 << 9)) printk(BIOS_DEBUG, "GPE0 "); - if (smi_sts & (1 << 8)) printk(BIOS_DEBUG, "PM1 "); - if (smi_sts & (1 << 6)) printk(BIOS_DEBUG, "SWSMI_TMR "); - if (smi_sts & (1 << 5)) printk(BIOS_DEBUG, "APM "); - if (smi_sts & (1 << 4)) printk(BIOS_DEBUG, "SLP_SMI "); - if (smi_sts & (1 << 3)) printk(BIOS_DEBUG, "LEGACY_USB "); - if (smi_sts & (1 << 2)) printk(BIOS_DEBUG, "BIOS "); - printk(BIOS_DEBUG, "\n"); -} - - -/** - * @brief read and clear GPE0_STS - * @return GPE0_STS register - */ -static u64 reset_gpe0_status(void) -{ - u32 reg_h, reg_l; - - reg_l = inl(pmbase + GPE0_STS); - reg_h = inl(pmbase + GPE0_STS + 4); - /* set status bits are cleared by writing 1 to them */ - outl(reg_l, pmbase + GPE0_STS); - outl(reg_h, pmbase + GPE0_STS + 4); - - return (((u64)reg_h) << 32) | reg_l; -} - -static void dump_gpe0_status(u64 gpe0_sts) -{ - int i; - printk(BIOS_DEBUG, "GPE0_STS: "); - if (gpe0_sts & (1LL << 32)) printk(BIOS_DEBUG, "USB6 "); - for (i=31; i>= 16; i--) { - if (gpe0_sts & (1 << i)) printk(BIOS_DEBUG, "GPIO%d ", (i-16)); - } - if (gpe0_sts & (1 << 14)) printk(BIOS_DEBUG, "USB4 "); - if (gpe0_sts & (1 << 13)) printk(BIOS_DEBUG, "PME_B0 "); - if (gpe0_sts & (1 << 12)) printk(BIOS_DEBUG, "USB3 "); - if (gpe0_sts & (1 << 11)) printk(BIOS_DEBUG, "PME "); - if (gpe0_sts & (1 << 10)) printk(BIOS_DEBUG, "EL_SCI/BATLOW "); - if (gpe0_sts & (1 << 9)) printk(BIOS_DEBUG, "PCI_EXP "); - if (gpe0_sts & (1 << 8)) printk(BIOS_DEBUG, "RI "); - if (gpe0_sts & (1 << 7)) printk(BIOS_DEBUG, "SMB_WAK "); - if (gpe0_sts & (1 << 6)) printk(BIOS_DEBUG, "TCO_SCI "); - if (gpe0_sts & (1 << 5)) printk(BIOS_DEBUG, "USB5 "); - if (gpe0_sts & (1 << 4)) printk(BIOS_DEBUG, "USB2 "); - if (gpe0_sts & (1 << 3)) printk(BIOS_DEBUG, "USB1 "); - if (gpe0_sts & (1 << 2)) printk(BIOS_DEBUG, "SWGPE "); - if (gpe0_sts & (1 << 1)) printk(BIOS_DEBUG, "HOT_PLUG "); - if (gpe0_sts & (1 << 0)) printk(BIOS_DEBUG, "THRM "); - printk(BIOS_DEBUG, "\n"); -} - - -/** - * @brief read and clear ALT_GP_SMI_STS - * @return ALT_GP_SMI_STS register - */ -static u16 reset_alt_gp_smi_status(void) -{ - u16 reg16; - - reg16 = inl(pmbase + ALT_GP_SMI_STS); - /* set status bits are cleared by writing 1 to them */ - outl(reg16, pmbase + ALT_GP_SMI_STS); - - return reg16; -} - -static void dump_alt_gp_smi_status(u16 alt_gp_smi_sts) -{ - int i; - printk(BIOS_DEBUG, "ALT_GP_SMI_STS: "); - for (i=15; i>= 0; i--) { - if (alt_gp_smi_sts & (1 << i)) printk(BIOS_DEBUG, "GPI%d ", i); - } - printk(BIOS_DEBUG, "\n"); -} - - - -/** - * @brief read and clear TCOx_STS - * @return TCOx_STS registers - */ -static u32 reset_tco_status(void) -{ - u32 tcobase = pmbase + 0x60; - u32 reg32; - - reg32 = inl(tcobase + 0x04); - /* set status bits are cleared by writing 1 to them */ - outl(reg32 & ~(1<<18), tcobase + 0x04); // Don't clear BOOT_STS before SECOND_TO_STS - if (reg32 & (1 << 18)) - outl(reg32 & (1<<18), tcobase + 0x04); // clear BOOT_STS - - return reg32; -} - - -static void dump_tco_status(u32 tco_sts) -{ - printk(BIOS_DEBUG, "TCO_STS: "); - if (tco_sts & (1 << 20)) printk(BIOS_DEBUG, "SMLINK_SLV "); - if (tco_sts & (1 << 18)) printk(BIOS_DEBUG, "BOOT "); - if (tco_sts & (1 << 17)) printk(BIOS_DEBUG, "SECOND_TO "); - if (tco_sts & (1 << 16)) printk(BIOS_DEBUG, "INTRD_DET "); - if (tco_sts & (1 << 12)) printk(BIOS_DEBUG, "DMISERR "); - if (tco_sts & (1 << 10)) printk(BIOS_DEBUG, "DMISMI "); - if (tco_sts & (1 << 9)) printk(BIOS_DEBUG, "DMISCI "); - if (tco_sts & (1 << 8)) printk(BIOS_DEBUG, "BIOSWR "); - if (tco_sts & (1 << 7)) printk(BIOS_DEBUG, "NEWCENTURY "); - if (tco_sts & (1 << 3)) printk(BIOS_DEBUG, "TIMEOUT "); - if (tco_sts & (1 << 2)) printk(BIOS_DEBUG, "TCO_INT "); - if (tco_sts & (1 << 1)) printk(BIOS_DEBUG, "SW_TCO "); - if (tco_sts & (1 << 0)) printk(BIOS_DEBUG, "NMI2SMI "); - printk(BIOS_DEBUG, "\n"); -} - - -/** - * @brief Set the EOS bit - */ -static void smi_set_eos(void) -{ - u8 reg8; - - reg8 = inb(pmbase + SMI_EN); - reg8 |= EOS; - outb(reg8, pmbase + SMI_EN); -} - extern uint8_t smm_relocation_start, smm_relocation_end; static void *default_smm_area = NULL; @@ -372,14 +180,3 @@ void smm_lock(void) pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), SMRAM, D_LCK | G_SMRAME | C_BASE_SEG); } - -void smm_setup_structures(void *gnvs, void *tcg, void *smi1) -{ - /* The GDT or coreboot table is going to live here. But a long time - * after we relocated the GNVS, so this is not troublesome. - */ - *(u32 *)0x500 = (u32)gnvs; - *(u32 *)0x504 = (u32)tcg; - *(u32 *)0x508 = (u32)smi1; - outb(APM_CNT_GNVS_UPDATE, 0xb2); -} diff --git a/src/southbridge/intel/i82801ix/smihandler.c b/src/southbridge/intel/i82801ix/smihandler.c index 7ad00ed5ba..e60fa9b788 100644 --- a/src/southbridge/intel/i82801ix/smihandler.c +++ b/src/southbridge/intel/i82801ix/smihandler.c @@ -22,16 +22,11 @@ #include <cpu/x86/smm.h> #include <device/pci_def.h> #include <pc80/mc146818rtc.h> +#include <southbridge/intel/common/pmutil.h> #include "i82801ix.h" #include "nvs.h" -/* While we read PMBASE dynamically in case it changed, let's - * initialize it with a sane value - */ -u16 pmbase = DEFAULT_PMBASE; -u8 smm_initialized = 0; - /* GNVS needs to be updated by an 0xEA PM Trap (B2) after it has been located * by coreboot. */ @@ -39,160 +34,6 @@ global_nvs_t *gnvs = (global_nvs_t *)0x0; void *tcg = (void *)0x0; void *smi1 = (void *)0x0; -/** - * @brief read and clear PM1_STS - * @return PM1_STS register - */ -static u16 reset_pm1_status(void) -{ - u16 reg16; - - reg16 = inw(pmbase + PM1_STS); - /* set status bits are cleared by writing 1 to them */ - outw(reg16, pmbase + PM1_STS); - - return reg16; -} - -static void dump_pm1_status(u16 pm1_sts) -{ - printk(BIOS_DEBUG, "PM1_STS: "); - if (pm1_sts & (1 << 15)) printk(BIOS_DEBUG, "WAK "); - if (pm1_sts & (1 << 14)) printk(BIOS_DEBUG, "PCIEXPWAK "); - if (pm1_sts & (1 << 11)) printk(BIOS_DEBUG, "PRBTNOR "); - if (pm1_sts & (1 << 10)) printk(BIOS_DEBUG, "RTC "); - if (pm1_sts & (1 << 8)) printk(BIOS_DEBUG, "PWRBTN "); - if (pm1_sts & (1 << 5)) printk(BIOS_DEBUG, "GBL "); - if (pm1_sts & (1 << 4)) printk(BIOS_DEBUG, "BM "); - if (pm1_sts & (1 << 0)) printk(BIOS_DEBUG, "TMROF "); - printk(BIOS_DEBUG, "\n"); -} - -/** - * @brief read and clear SMI_STS - * @return SMI_STS register - */ -static u32 reset_smi_status(void) -{ - u32 reg32; - - reg32 = inl(pmbase + SMI_STS); - /* set status bits are cleared by writing 1 to them */ - outl(reg32, pmbase + SMI_STS); - - return reg32; -} - -static void dump_smi_status(u32 smi_sts) -{ - printk(BIOS_DEBUG, "SMI_STS: "); - if (smi_sts & (1 << 27)) printk(BIOS_DEBUG, "GPIO_UNLOCK "); - if (smi_sts & (1 << 26)) printk(BIOS_DEBUG, "SPI "); - if (smi_sts & (1 << 21)) printk(BIOS_DEBUG, "MONITOR "); - if (smi_sts & (1 << 20)) printk(BIOS_DEBUG, "PCI_EXP_SMI "); - if (smi_sts & (1 << 18)) printk(BIOS_DEBUG, "INTEL_USB2 "); - if (smi_sts & (1 << 17)) printk(BIOS_DEBUG, "LEGACY_USB2 "); - if (smi_sts & (1 << 16)) printk(BIOS_DEBUG, "SMBUS_SMI "); - if (smi_sts & (1 << 15)) printk(BIOS_DEBUG, "SERIRQ_SMI "); - if (smi_sts & (1 << 14)) printk(BIOS_DEBUG, "PERIODIC "); - if (smi_sts & (1 << 13)) printk(BIOS_DEBUG, "TCO "); - if (smi_sts & (1 << 12)) printk(BIOS_DEBUG, "DEVMON "); - if (smi_sts & (1 << 11)) printk(BIOS_DEBUG, "MCSMI "); - if (smi_sts & (1 << 10)) printk(BIOS_DEBUG, "GPI "); - if (smi_sts & (1 << 9)) printk(BIOS_DEBUG, "GPE0 "); - if (smi_sts & (1 << 8)) printk(BIOS_DEBUG, "PM1 "); - if (smi_sts & (1 << 6)) printk(BIOS_DEBUG, "SWSMI_TMR "); - if (smi_sts & (1 << 5)) printk(BIOS_DEBUG, "APM "); - if (smi_sts & (1 << 4)) printk(BIOS_DEBUG, "SLP_SMI "); - if (smi_sts & (1 << 3)) printk(BIOS_DEBUG, "LEGACY_USB "); - if (smi_sts & (1 << 2)) printk(BIOS_DEBUG, "BIOS "); - printk(BIOS_DEBUG, "\n"); -} - - -/** - * @brief read and clear GPE0_STS - * @return GPE0_STS register - */ -static u64 reset_gpe0_status(void) -{ - u32 reg_h, reg_l; - - reg_l = inl(pmbase + GPE0_STS); - reg_h = inl(pmbase + GPE0_STS + 4); - /* set status bits are cleared by writing 1 to them */ - outl(reg_l, pmbase + GPE0_STS); - outl(reg_h, pmbase + GPE0_STS + 4); - - return (((u64)reg_h) << 32) | reg_l; -} - -static void dump_gpe0_status(u64 gpe0_sts) -{ - int i; - printk(BIOS_DEBUG, "GPE0_STS: "); - if (gpe0_sts & (1LL << 32)) printk(BIOS_DEBUG, "USB6 "); - for (i=31; i>= 16; i--) { - if (gpe0_sts & (1 << i)) printk(BIOS_DEBUG, "GPIO%d ", (i-16)); - } - if (gpe0_sts & (1 << 14)) printk(BIOS_DEBUG, "USB4 "); - if (gpe0_sts & (1 << 13)) printk(BIOS_DEBUG, "PME_B0 "); - if (gpe0_sts & (1 << 12)) printk(BIOS_DEBUG, "USB3 "); - if (gpe0_sts & (1 << 11)) printk(BIOS_DEBUG, "PME "); - if (gpe0_sts & (1 << 10)) printk(BIOS_DEBUG, "EL_SCI/BATLOW "); - if (gpe0_sts & (1 << 9)) printk(BIOS_DEBUG, "PCI_EXP "); - if (gpe0_sts & (1 << 8)) printk(BIOS_DEBUG, "RI "); - if (gpe0_sts & (1 << 7)) printk(BIOS_DEBUG, "SMB_WAK "); - if (gpe0_sts & (1 << 6)) printk(BIOS_DEBUG, "TCO_SCI "); - if (gpe0_sts & (1 << 5)) printk(BIOS_DEBUG, "USB5 "); - if (gpe0_sts & (1 << 4)) printk(BIOS_DEBUG, "USB2 "); - if (gpe0_sts & (1 << 3)) printk(BIOS_DEBUG, "USB1 "); - if (gpe0_sts & (1 << 2)) printk(BIOS_DEBUG, "SWGPE "); - if (gpe0_sts & (1 << 1)) printk(BIOS_DEBUG, "HOT_PLUG "); - if (gpe0_sts & (1 << 0)) printk(BIOS_DEBUG, "THRM "); - printk(BIOS_DEBUG, "\n"); -} - - - -/** - * @brief read and clear TCOx_STS - * @return TCOx_STS registers - */ -static u32 reset_tco_status(void) -{ - u32 tcobase = pmbase + 0x60; - u32 reg32; - - reg32 = inl(tcobase + 0x04); - /* set status bits are cleared by writing 1 to them */ - outl(reg32 & ~(1<<18), tcobase + 0x04); // Don't clear BOOT_STS before SECOND_TO_STS - if (reg32 & (1 << 18)) - outl(reg32 & (1<<18), tcobase + 0x04); // clear BOOT_STS - - return reg32; -} - - -static void dump_tco_status(u32 tco_sts) -{ - printk(BIOS_DEBUG, "TCO_STS: "); - if (tco_sts & (1 << 20)) printk(BIOS_DEBUG, "SMLINK_SLV "); - if (tco_sts & (1 << 18)) printk(BIOS_DEBUG, "BOOT "); - if (tco_sts & (1 << 17)) printk(BIOS_DEBUG, "SECOND_TO "); - if (tco_sts & (1 << 16)) printk(BIOS_DEBUG, "INTRD_DET "); - if (tco_sts & (1 << 12)) printk(BIOS_DEBUG, "DMISERR "); - if (tco_sts & (1 << 10)) printk(BIOS_DEBUG, "DMISMI "); - if (tco_sts & (1 << 9)) printk(BIOS_DEBUG, "DMISCI "); - if (tco_sts & (1 << 8)) printk(BIOS_DEBUG, "BIOSWR "); - if (tco_sts & (1 << 7)) printk(BIOS_DEBUG, "NEWCENTURY "); - if (tco_sts & (1 << 3)) printk(BIOS_DEBUG, "TIMEOUT "); - if (tco_sts & (1 << 2)) printk(BIOS_DEBUG, "TCO_INT "); - if (tco_sts & (1 << 1)) printk(BIOS_DEBUG, "SW_TCO "); - if (tco_sts & (1 << 0)) printk(BIOS_DEBUG, "NMI2SMI "); - printk(BIOS_DEBUG, "\n"); -} - int southbridge_io_trap_handler(int smif) { switch (smif) { @@ -210,165 +51,15 @@ int southbridge_io_trap_handler(int smif) return 0; } -/** - * @brief Set the EOS bit - */ -void southbridge_smi_set_eos(void) +void southbridge_update_gnvs(u8 apm_cnt, int *smm_done) { - u8 reg8; - - reg8 = inb(pmbase + SMI_EN); - reg8 |= EOS; - outb(reg8, pmbase + SMI_EN); + gnvs = *(global_nvs_t **)0x500; + tcg = *(void **)0x504; + smi1 = *(void **)0x508; + *smm_done = 1; } -static void southbridge_smi_apmc(unsigned int node, smm_state_save_area_t *state_save) -{ - u32 pmctrl; - u8 reg8; - - /* Emulate B2 register as the FADT / Linux expects it */ - - reg8 = inb(APM_CNT); - if (mainboard_smi_apmc(reg8)) - return; - - switch (reg8) { - case APM_CNT_CST_CONTROL: - /* Calling this function seems to cause - * some kind of race condition in Linux - * and causes a kernel oops - */ - printk(BIOS_DEBUG, "C-state control\n"); - break; - case APM_CNT_PST_CONTROL: - /* Calling this function seems to cause - * some kind of race condition in Linux - * and causes a kernel oops - */ - printk(BIOS_DEBUG, "P-state control\n"); - break; - case APM_CNT_ACPI_DISABLE: - pmctrl = inl(pmbase + PM1_CNT); - pmctrl &= ~SCI_EN; - outl(pmctrl, pmbase + PM1_CNT); - printk(BIOS_DEBUG, "SMI#: ACPI disabled.\n"); - break; - case APM_CNT_ACPI_ENABLE: - pmctrl = inl(pmbase + PM1_CNT); - pmctrl |= SCI_EN; - outl(pmctrl, pmbase + PM1_CNT); - printk(BIOS_DEBUG, "SMI#: ACPI enabled.\n"); - break; - case APM_CNT_GNVS_UPDATE: - if (smm_initialized) { - printk(BIOS_DEBUG, "SMI#: SMM structures already initialized!\n"); - return; - } - gnvs = *(global_nvs_t **)0x500; - tcg = *(void **)0x504; - smi1 = *(void **)0x508; - smm_initialized = 1; - printk(BIOS_DEBUG, "SMI#: Setting up structures to %p, %p, %p\n", gnvs, tcg, smi1); - break; - default: - printk(BIOS_DEBUG, "SMI#: Unknown function APM_CNT=%02x\n", reg8); - } -} - -static void southbridge_smi_pm1(unsigned int node, smm_state_save_area_t *state_save) -{ - u16 pm1_sts; - volatile u8 cmos_status; - - pm1_sts = reset_pm1_status(); - dump_pm1_status(pm1_sts); - - /* While OSPM is not active, poweroff immediately - * on a power button event. - */ - if (pm1_sts & PWRBTN_STS) { - // power button pressed - u32 reg32; - reg32 = (7 << 10) | (1 << 13); - outl(reg32, pmbase + PM1_CNT); - } - - if (pm1_sts & RTC_STS) { - /* read RTC status register to disable the interrupt */ - cmos_status = cmos_read(RTC_REG_C); - printk(BIOS_DEBUG, "RTC IRQ status: %02X\n", cmos_status); - } -} - -static void southbridge_smi_gpe0(unsigned int node, smm_state_save_area_t *state_save) -{ - u32 gpe0_sts; - - gpe0_sts = reset_gpe0_status(); - dump_gpe0_status(gpe0_sts); -} - -static void southbridge_smi_gpi(unsigned int node, smm_state_save_area_t *state_save) -{ - u16 reg16; - reg16 = inw(pmbase + ALT_GP_SMI_STS); - outl(reg16, pmbase + ALT_GP_SMI_STS); - - reg16 &= inw(pmbase + ALT_GP_SMI_EN); - - mainboard_smi_gpi(reg16); - - if (reg16) - printk(BIOS_DEBUG, "GPI (mask %04x)\n",reg16); -} - - -static void southbridge_smi_tco(unsigned int node, smm_state_save_area_t *state_save) -{ - u32 tco_sts; - - tco_sts = reset_tco_status(); - - /* Any TCO event? */ - if (!tco_sts) - return; - - if (tco_sts & (1 << 8)) { // BIOSWR - u8 bios_cntl; - - bios_cntl = pci_read_config16(PCI_DEV(0, 0x1f, 0), 0xdc); - - if (bios_cntl & 1) { - /* BWE is RW, so the SMI was caused by a - * write to BWE, not by a write to the BIOS - */ - - /* This is the place where we notice someone - * is trying to tinker with the BIOS. We are - * trying to be nice and just ignore it. A more - * resolute answer would be to power down the - * box. - */ - printk(BIOS_DEBUG, "Switching back to RO\n"); - pci_write_config32(PCI_DEV(0, 0x1f, 0), 0xdc, (bios_cntl & ~1)); - } /* No else for now? */ - } else if (tco_sts & (1 << 3)) { /* TIMEOUT */ - /* Handle TCO timeout */ - printk(BIOS_DEBUG, "TCO Timeout.\n"); - } else { - dump_tco_status(tco_sts); - } -} - -#if DEBUG_PERIODIC_SMIS -static void southbridge_smi_periodic(unsigned int node, smm_state_save_area_t *state_save) -{ - printk(BIOS_DEBUG, "Periodic SMI.\n"); -} -#endif - -static void southbridge_smi_monitor(unsigned int node, smm_state_save_area_t *state_save) +void southbridge_smi_monitor(void) { #define IOTRAP(x) (trap_sts & (1 << x)) u32 trap_sts, trap_cycle; @@ -422,104 +113,6 @@ static void southbridge_smi_monitor(unsigned int node, smm_state_save_area_t *st #undef IOTRAP } -typedef void (*smi_handler_t)(unsigned int node, - smm_state_save_area_t *state_save); - -smi_handler_t southbridge_smi[32] = { - NULL, // [0] reserved - NULL, // [1] reserved - NULL, // [2] BIOS_STS - NULL, // [3] LEGACY_USB_STS - NULL, // [4] SLP_SMI_STS - southbridge_smi_apmc, // [5] APM_STS - NULL, // [6] SWSMI_TMR_STS - NULL, // [7] reserved - southbridge_smi_pm1, // [8] PM1_STS - southbridge_smi_gpe0, // [9] GPE0_STS - southbridge_smi_gpi, // [10] GPI_STS - NULL, // [11] MCSMI_STS - NULL, // [12] DEVMON_STS - southbridge_smi_tco, // [13] TCO_STS -#if DEBUG_PERIODIC_SMIS - southbridge_smi_periodic, // [14] PERIODIC_STS -#else - NULL, // [14] PERIODIC_STS -#endif - NULL, // [15] SERIRQ_SMI_STS - NULL, // [16] SMBUS_SMI_STS - NULL, // [17] LEGACY_USB2_STS - NULL, // [18] INTEL_USB2_STS - NULL, // [19] reserved - NULL, // [20] PCI_EXP_SMI_STS - southbridge_smi_monitor, // [21] MONITOR_STS - NULL, // [22] reserved - NULL, // [23] reserved - NULL, // [24] reserved - NULL, // [25] reserved - NULL, // [26] SPI_STS - NULL, // [27] reserved - NULL, // [28] reserved - NULL, // [29] reserved - NULL, // [30] reserved - NULL // [31] reserved -}; - -static u32 southbrigde_smi_mask_events(u32 smi_sts) +void southbridge_finalize_all(void) { - /* Clear all disabled bits in SMI_EN but the reserved ones. */ - smi_sts &= inl(pmbase + SMI_EN) | 0xf7f99700; - - /* Check if SCI is enabled. */ - if (inl(pmbase + PM1_CNT) & SCI_EN) - /* Clear PM1, GPE. */ - smi_sts &= ~((1 << 8) | (1 << 9)); - - /* Check if SPI generates SMI. */ - if (!(RCBA16(0x3806) & (1 << 15)) && - !(RCBA16(0x3891) & (1 << 15))) - /* Clear SPI. */ - smi_sts &= ~(1 << 26); - - return smi_sts; -} - -/** - * @brief Interrupt handler for SMI# - * - * @param node - * @param *state_save - */ -void southbridge_smi_handler(unsigned int node, smm_state_save_area_t *state_save) -{ - int i, dump = 0; - u32 smi_sts; - - /* Update global variable pmbase */ - pmbase = pci_read_config16(PCI_DEV(0, 0x1f, 0), D31F0_PMBASE) & 0xfffc; - - /* We need to clear the SMI status registers, or we won't see what's - * happening in the following calls. - */ - smi_sts = reset_smi_status(); - - /* Filter all non-enabled SMI events */ - smi_sts = southbrigde_smi_mask_events(smi_sts); - - /* Call SMI sub handler for each of the status bits */ - for (i = 0; i < 31; i++) { - if (smi_sts & (1 << i)) { - if (southbridge_smi[i]) - southbridge_smi[i](node, state_save); - else { - printk(BIOS_DEBUG, "SMI_STS[%d] occurred, but no " - "handler available.\n", i); - dump = 1; - } - } - } - - if (dump) { - dump_smi_status(smi_sts); - } - } |