diff options
Diffstat (limited to 'src/soc/intel/denverton_ns')
| -rw-r--r-- | src/soc/intel/denverton_ns/include/soc/pm.h | 12 | ||||
| -rw-r--r-- | src/soc/intel/denverton_ns/pmutil.c | 163 | ||||
| -rw-r--r-- | src/soc/intel/denverton_ns/smihandler.c | 27 | ||||
| -rw-r--r-- | src/soc/intel/denverton_ns/smm.c | 15 |
4 files changed, 184 insertions, 33 deletions
diff --git a/src/soc/intel/denverton_ns/include/soc/pm.h b/src/soc/intel/denverton_ns/include/soc/pm.h index f6c56cf20b..32d8a76793 100644 --- a/src/soc/intel/denverton_ns/include/soc/pm.h +++ b/src/soc/intel/denverton_ns/include/soc/pm.h @@ -41,6 +41,18 @@ struct chipset_power_state { struct chipset_power_state *fill_power_state(void); /* Power Management Utility Functions. */ +uint32_t clear_smi_status(void); +uint16_t clear_pm1_status(void); +uint32_t clear_tco_status(void); +uint32_t clear_gpe_status(void); void clear_pmc_status(void); +void enable_smi(uint32_t mask); +void disable_smi(uint32_t mask); +void enable_pm1(uint16_t events); +void enable_pm1_control(uint32_t mask); +void disable_pm1_control(uint32_t mask); +void enable_gpe(uint32_t mask); +void disable_gpe(uint32_t mask); +void disable_all_gpe(void); #endif /* _DENVERTON_NS_PM_H_ */ diff --git a/src/soc/intel/denverton_ns/pmutil.c b/src/soc/intel/denverton_ns/pmutil.c index 344f8b9538..ccf0d9586b 100644 --- a/src/soc/intel/denverton_ns/pmutil.c +++ b/src/soc/intel/denverton_ns/pmutil.c @@ -19,12 +19,29 @@ #include <arch/io.h> #include <console/console.h> -#include <intelblocks/pmclib.h> #include <soc/iomap.h> #include <soc/soc_util.h> #include <soc/pm.h> -const char *const *soc_smi_sts_array(size_t *a) +static void print_num_status_bits(int num_bits, uint32_t status, + const char *const bit_names[]) +{ + int i; + + if (!status) + return; + + for (i = num_bits - 1; i >= 0; i--) { + if (status & (1 << i)) { + if (bit_names[i]) + printk(BIOS_DEBUG, "%s ", bit_names[i]); + else + printk(BIOS_DEBUG, "BIT%d ", i); + } + } +} + +static uint32_t print_smi_status(uint32_t smi_sts) { static const char *const smi_sts_bits[] = { [2] = "BIOS", @@ -50,11 +67,93 @@ const char *const *soc_smi_sts_array(size_t *a) [31] = "LEGACY_USB3", }; - *a = ARRAY_SIZE(smi_sts_bits); - return smi_sts_bits; + if (!smi_sts) + return 0; + + printk(BIOS_DEBUG, "SMI_STS: "); + print_num_status_bits(ARRAY_SIZE(smi_sts_bits), smi_sts, smi_sts_bits); + printk(BIOS_DEBUG, "\n"); + + return smi_sts; +} + +static uint32_t reset_smi_status(void) +{ + uint16_t pmbase = get_pmbase(); + uint32_t smi_sts = inl((uint16_t)(pmbase + SMI_STS)); + outl(smi_sts, (uint16_t)(pmbase + SMI_STS)); + return smi_sts; +} + +uint32_t clear_smi_status(void) { return print_smi_status(reset_smi_status()); } + +void enable_smi(uint32_t mask) +{ + uint16_t pmbase = get_pmbase(); + uint32_t smi_en = inl((uint16_t)(pmbase + SMI_EN)); + smi_en |= mask; + outl(smi_en, (uint16_t)(pmbase + SMI_EN)); } -const char *const *soc_tco_sts_array(size_t *a) +void disable_smi(uint32_t mask) +{ + uint16_t pmbase = get_pmbase(); + uint32_t smi_en = inl((uint16_t)(pmbase + SMI_EN)); + smi_en &= ~mask; + outl(smi_en, (uint16_t)(pmbase + SMI_EN)); +} + +void enable_pm1_control(uint32_t mask) +{ + uint16_t pmbase = get_pmbase(); + uint32_t pm1_cnt = inl((uint16_t)(pmbase + PM1_CNT)); + pm1_cnt |= mask; + outl(pm1_cnt, (uint16_t)(pmbase + PM1_CNT)); +} + +void disable_pm1_control(uint32_t mask) +{ + uint16_t pmbase = get_pmbase(); + uint32_t pm1_cnt = inl((uint16_t)(pmbase + PM1_CNT)); + pm1_cnt &= ~mask; + outl(pm1_cnt, (uint16_t)(pmbase + PM1_CNT)); +} + +static uint16_t reset_pm1_status(void) +{ + uint16_t pmbase = get_pmbase(); + uint16_t pm1_sts = inw((uint16_t)(pmbase + PM1_STS)); + outw(pm1_sts, (uint16_t)(pmbase + PM1_STS)); + return pm1_sts; +} + +static uint16_t print_pm1_status(uint16_t pm1_sts) +{ + static const char *const pm1_sts_bits[] = { + [0] = "TMROF", [4] = "BM", [5] = "GBL", + [8] = "PWRBTN", [10] = "RTC", [11] = "PRBTNOR", + [15] = "WAK", + }; + + if (!pm1_sts) + return 0; + + printk(BIOS_SPEW, "PM1_STS: "); + print_num_status_bits(ARRAY_SIZE(pm1_sts_bits), pm1_sts, pm1_sts_bits); + printk(BIOS_SPEW, "\n"); + + return pm1_sts; +} + +uint16_t clear_pm1_status(void) { return print_pm1_status(reset_pm1_status()); } + +void enable_pm1(uint16_t events) +{ + uint16_t pmbase = get_pmbase(); + outw(events, (uint16_t)(pmbase + PM1_EN)); +} + +static uint32_t print_tco_status(uint32_t tco_sts) { static const char *const tco_sts_bits[] = { [0] = "NMI2SMI", [1] = "OS_TCO_SMI", @@ -65,11 +164,17 @@ const char *const *soc_tco_sts_array(size_t *a) [17] = "SECOND_TO", [20] = "SMLINK_SLV_SMI", }; - *a = ARRAY_SIZE(tco_sts_bits); - return tco_sts_bits; + if (!tco_sts) + return 0; + + printk(BIOS_DEBUG, "TCO_STS: "); + print_num_status_bits(ARRAY_SIZE(tco_sts_bits), tco_sts, tco_sts_bits); + printk(BIOS_DEBUG, "\n"); + + return tco_sts; } -uint32_t soc_reset_tco_status(void) +static uint32_t reset_tco_status(void) { uint16_t tcobase = get_tcobase(); uint32_t tco_sts = inl((uint16_t)(tcobase + TCO1_STS)); @@ -79,7 +184,35 @@ uint32_t soc_reset_tco_status(void) return tco_sts & tco_en; } -const char *const *soc_std_gpe_sts_array(size_t *a) +uint32_t clear_tco_status(void) { return print_tco_status(reset_tco_status()); } + +void enable_gpe(uint32_t mask) +{ + uint16_t pmbase = get_pmbase(); + uint32_t gpe0_en = inl((uint16_t)(pmbase + GPE0_EN(GPE_STD))); + gpe0_en |= mask; + outl(gpe0_en, (uint16_t)(pmbase + GPE0_EN(GPE_STD))); +} + +void disable_gpe(uint32_t mask) +{ + uint16_t pmbase = get_pmbase(); + uint32_t gpe0_en = inl((uint16_t)(pmbase + GPE0_EN(GPE_STD))); + gpe0_en &= ~mask; + outl(gpe0_en, (uint16_t)(pmbase + GPE0_EN(GPE_STD))); +} + +void disable_all_gpe(void) { disable_gpe(~0); } + +static uint32_t reset_gpe_status(void) +{ + uint16_t pmbase = get_pmbase(); + uint32_t gpe_sts = inl((uint16_t)(pmbase + GPE0_STS(GPE_STD))); + outl(gpe_sts, (uint16_t)(pmbase + GPE0_STS(GPE_STD))); + return gpe_sts; +} + +static uint32_t print_gpe_sts(uint32_t gpe_sts) { static const char *const gpe_sts_bits[] = { [0] = "GPIO_0", [1] = "GPIO_1", @@ -100,8 +233,16 @@ const char *const *soc_std_gpe_sts_array(size_t *a) [30] = "GPIO_30", [31] = "GPIO_31", }; - *a = ARRAY_SIZE(gpe_sts_bits); - return gpe_sts_bits; + if (!gpe_sts) + return gpe_sts; + + printk(BIOS_DEBUG, "GPE0a_STS: "); + print_num_status_bits(ARRAY_SIZE(gpe_sts_bits), gpe_sts, gpe_sts_bits); + printk(BIOS_DEBUG, "\n"); + + return gpe_sts; } +uint32_t clear_gpe_status(void) { return print_gpe_sts(reset_gpe_status()); } + void clear_pmc_status(void) { /* TODO */ } diff --git a/src/soc/intel/denverton_ns/smihandler.c b/src/soc/intel/denverton_ns/smihandler.c index e1e7bc4718..85f99d7966 100644 --- a/src/soc/intel/denverton_ns/smihandler.c +++ b/src/soc/intel/denverton_ns/smihandler.c @@ -25,7 +25,6 @@ #include <device/pci_def.h> #include <elog.h> #include <intelblocks/fast_spi.h> -#include <intelblocks/pmclib.h> #include <spi-generic.h> #include <soc/iomap.h> #include <soc/soc_util.h> @@ -53,7 +52,7 @@ int southbridge_io_trap_handler(int smif) return 0; } -void southbridge_smi_set_eos(void) { pmc_enable_smi(EOS); } +void southbridge_smi_set_eos(void) { enable_smi(EOS); } global_nvs_t *smm_get_gnvs(void) { return gnvs; } @@ -99,7 +98,7 @@ static void southbridge_smi_sleep(void) uint16_t pmbase = get_pmbase(); /* First, disable further SMIs */ - pmc_disable_smi(SLP_SMI_EN); + disable_smi(SLP_SMI_EN); /* Figure out SLP_TYP */ reg32 = inl((uint16_t)(pmbase + PM1_CNT)); @@ -132,7 +131,7 @@ static void southbridge_smi_sleep(void) printk(BIOS_DEBUG, "SMI#: Entering S5 (Soft Power off)\n"); /* Disable all GPE */ - pmc_disable_all_gpe(); + disable_all_gpe(); /* also iterates over all bridges on bus 0 */ busmaster_disable_on_bus(0); @@ -146,7 +145,7 @@ static void southbridge_smi_sleep(void) * event again. We need to set BIT13 (SLP_EN) though to make the * sleep happen. */ - pmc_enable_pm1_control(SLP_EN); + enable_pm1_control(SLP_EN); /* Make sure to stop executing code here for S3/S4/S5 */ if (slp_typ > 1) @@ -159,7 +158,7 @@ static void southbridge_smi_sleep(void) reg32 = inl((uint16_t)(pmbase + PM1_CNT)); if (reg32 & SCI_EN) { /* The OS is not an ACPI OS, so we set the state to S0 */ - pmc_disable_pm1_control(SLP_EN | SLP_TYP); + disable_pm1_control(SLP_EN | SLP_TYP); } } @@ -238,11 +237,11 @@ static void southbridge_smi_apmc(void) printk(BIOS_DEBUG, "P-state control\n"); break; case APM_CNT_ACPI_DISABLE: - pmc_disable_pm1_control(SCI_EN); + disable_pm1_control(SCI_EN); printk(BIOS_DEBUG, "SMI#: ACPI disabled.\n"); break; case APM_CNT_ACPI_ENABLE: - pmc_enable_pm1_control(SCI_EN); + enable_pm1_control(SCI_EN); printk(BIOS_DEBUG, "SMI#: ACPI enabled.\n"); break; case APM_CNT_FINALIZE: @@ -269,23 +268,23 @@ static void southbridge_smi_apmc(void) static void southbridge_smi_pm1(void) { - uint16_t pm1_sts = pmc_clear_pm1_status(); + uint16_t pm1_sts = clear_pm1_status(); /* While OSPM is not active, poweroff immediately * on a power button event. */ if (pm1_sts & PWRBTN_STS) { // power button pressed - pmc_disable_pm1_control(-1UL); - pmc_enable_pm1_control(SLP_EN | (SLP_TYP_S5 << SLP_TYP_SHIFT)); + disable_pm1_control(-1UL); + enable_pm1_control(SLP_EN | (SLP_TYP_S5 << SLP_TYP_SHIFT)); } } -static void southbridge_smi_gpe0(void) { pmc_clear_all_gpe_status(); } +static void southbridge_smi_gpe0(void) { clear_gpe_status(); } static void southbridge_smi_tco(void) { - uint32_t tco_sts = pmc_clear_tco_status(); + uint32_t tco_sts = clear_tco_status(); /* Any TCO event? */ if (!tco_sts) @@ -355,7 +354,7 @@ void southbridge_smi_handler(void) /* We need to clear the SMI status registers, or we won't see what's * happening in the following calls. */ - smi_sts = pmc_clear_smi_status(); + smi_sts = clear_smi_status(); /* Call SMI sub handler for each of the status bits */ for (i = 0; i < ARRAY_SIZE(southbridge_smi); i++) { diff --git a/src/soc/intel/denverton_ns/smm.c b/src/soc/intel/denverton_ns/smm.c index 65d249911a..9d3fa75a6a 100644 --- a/src/soc/intel/denverton_ns/smm.c +++ b/src/soc/intel/denverton_ns/smm.c @@ -23,7 +23,6 @@ #include <cpu/x86/smm.h> #include <string.h> -#include <intelblocks/pmclib.h> #include <soc/iomap.h> #include <soc/soc_util.h> #include <soc/pm.h> @@ -49,10 +48,10 @@ void southcluster_smm_clear_state(void) } /* Dump and clear status registers */ - pmc_clear_smi_status(); - pmc_clear_pm1_status(); - pmc_clear_tco_status(); - pmc_clear_all_gpe_status(); + clear_smi_status(); + clear_pm1_status(); + clear_tco_status(); + clear_gpe_status(); clear_pmc_status(); } @@ -61,8 +60,8 @@ void southcluster_smm_enable_smi(void) printk(BIOS_DEBUG, "Enabling SMIs.\n"); /* Configure events Disable pcie wake. */ - pmc_enable_pm1(PWRBTN_EN | GBL_EN | PCIEXPWAK_DIS); - pmc_disable_std_gpe(PME_B0_EN); + enable_pm1(PWRBTN_EN | GBL_EN | PCIEXPWAK_DIS); + disable_gpe(PME_B0_EN); /* Enable SMI generation: * - on APMC writes (io 0xb2) @@ -72,7 +71,7 @@ void southcluster_smm_enable_smi(void) * - on TCO events * - on microcontroller writes (io 0x62/0x66) */ - pmc_enable_smi(APMC_EN | SLP_SMI_EN | GBL_SMI_EN | EOS); + enable_smi(APMC_EN | SLP_SMI_EN | GBL_SMI_EN | EOS); } void smm_setup_structures(void *gnvs, void *tcg, void *smi1) |