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-rw-r--r--src/soc/intel/apollolake/Kconfig1
-rw-r--r--src/soc/intel/apollolake/bootblock/bootblock.c3
-rw-r--r--src/soc/intel/apollolake/chip.c5
-rw-r--r--src/soc/intel/apollolake/include/soc/gpe.h1
-rw-r--r--src/soc/intel/apollolake/include/soc/pm.h34
-rw-r--r--src/soc/intel/apollolake/pmc.c7
-rw-r--r--src/soc/intel/apollolake/pmutil.c478
-rw-r--r--src/soc/intel/apollolake/reset.c5
-rw-r--r--src/soc/intel/apollolake/romstage.c3
-rw-r--r--src/soc/intel/apollolake/smi.c17
10 files changed, 82 insertions, 472 deletions
diff --git a/src/soc/intel/apollolake/Kconfig b/src/soc/intel/apollolake/Kconfig
index 2d8838a497..cc516f32ad 100644
--- a/src/soc/intel/apollolake/Kconfig
+++ b/src/soc/intel/apollolake/Kconfig
@@ -72,6 +72,7 @@ config CPU_SPECIFIC_OPTIONS
select SOC_INTEL_COMMON_BLOCK_I2C
select SOC_INTEL_COMMON_BLOCK_LPSS
select SOC_INTEL_COMMON_BLOCK_PCR
+ select SOC_INTEL_COMMON_BLOCK_PMC
select SOC_INTEL_COMMON_BLOCK_RTC
select SOC_INTEL_COMMON_BLOCK_SA
select SOC_INTEL_COMMON_BLOCK_SCS
diff --git a/src/soc/intel/apollolake/bootblock/bootblock.c b/src/soc/intel/apollolake/bootblock/bootblock.c
index dc81161598..f02d8cf01b 100644
--- a/src/soc/intel/apollolake/bootblock/bootblock.c
+++ b/src/soc/intel/apollolake/bootblock/bootblock.c
@@ -22,6 +22,7 @@
#include <intelblocks/pcr.h>
#include <intelblocks/rtc.h>
#include <intelblocks/systemagent.h>
+#include <intelblocks/pmclib.h>
#include <soc/iomap.h>
#include <soc/cpu.h>
#include <soc/gpio.h>
@@ -91,7 +92,7 @@ void bootblock_soc_early_init(void)
enable_pmcbar();
/* Clear global reset promotion bit */
- global_reset_enable(0);
+ pmc_global_reset_enable(0);
/* Prepare UART for serial console. */
if (IS_ENABLED(CONFIG_SOC_UART_DEBUG))
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c
index ec4662c7a8..af625a1d9e 100644
--- a/src/soc/intel/apollolake/chip.c
+++ b/src/soc/intel/apollolake/chip.c
@@ -31,6 +31,7 @@
#include <fsp/util.h>
#include <intelblocks/cpulib.h>
#include <intelblocks/itss.h>
+#include <intelblocks/pmclib.h>
#include <romstage_handoff.h>
#include <soc/iomap.h>
#include <soc/itss.h>
@@ -326,9 +327,9 @@ static void soc_final(void *data)
rdev_munmap(&vbt_rdev, vbt);
/* Disable global reset, just in case */
- global_reset_enable(0);
+ pmc_global_reset_enable(0);
/* Make sure payload/OS can't trigger global reset */
- global_reset_lock();
+ pmc_global_reset_lock();
}
static void disable_dev(struct device *dev, FSP_S_CONFIG *silconfig)
diff --git a/src/soc/intel/apollolake/include/soc/gpe.h b/src/soc/intel/apollolake/include/soc/gpe.h
index 5482ed379f..7dfb6f5bd2 100644
--- a/src/soc/intel/apollolake/include/soc/gpe.h
+++ b/src/soc/intel/apollolake/include/soc/gpe.h
@@ -136,4 +136,5 @@
#define GPE0_DW3_30 126
#define GPE0_DW3_31 127
+#define GPE_MAX GPE0_DW3_31
#endif
diff --git a/src/soc/intel/apollolake/include/soc/pm.h b/src/soc/intel/apollolake/include/soc/pm.h
index 4744b89814..3be39554ed 100644
--- a/src/soc/intel/apollolake/include/soc/pm.h
+++ b/src/soc/intel/apollolake/include/soc/pm.h
@@ -21,6 +21,8 @@
#include <stdint.h>
#include <compiler.h>
#include <arch/acpi.h>
+#include <soc/gpe.h>
+#include <soc/iomap.h>
/* ACPI_BASE_ADDRESS */
@@ -135,6 +137,7 @@
#define GPE0_B 1
#define GPE0_C 2
#define GPE0_D 3
+#define GPE_STD GPE0_A
#define SATA_PME_STS (1 << 17)
#define SMB_WAK_STS (1 << 16)
#define AVS_PME_STS (1 << 14)
@@ -176,9 +179,7 @@
# define CF9_GLB_RST (1 << 20)
#define GPIO_GPE_CFG 0x1050
#define GPE0_DWX_MASK 0xf
-#define GPE0_DW1_SHIFT 4
-#define GPE0_DW2_SHIFT 8
-#define GPE0_DW3_SHIFT 12
+#define GPE0_DW_SHIFT(x) (4 + 4*(x))
#if IS_ENABLED(CONFIG_SOC_INTEL_GLK)
#define PMC_GPE_N_95_64 8
@@ -216,33 +217,6 @@ struct chipset_power_state {
uint32_t prev_sleep_state;
} __packed;
-int fill_power_state(struct chipset_power_state *ps);
-int chipset_prev_sleep_state(struct chipset_power_state *ps);
-/* Rewrite the gpe0 registers in cbmem to proper values as per routing table */
-void fixup_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 clear_gpi_gpe_sts(void);
-uint32_t get_smi_en(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);
-uintptr_t get_pmc_mmio_bar(void);
-void pmc_gpe_init(void);
-
-void global_reset_enable(bool enable);
-void global_reset_lock(void);
-
void pch_log_state(void);
void enable_pm_timer_emulation(void);
diff --git a/src/soc/intel/apollolake/pmc.c b/src/soc/intel/apollolake/pmc.c
index 051943460b..190f5fb15c 100644
--- a/src/soc/intel/apollolake/pmc.c
+++ b/src/soc/intel/apollolake/pmc.c
@@ -20,6 +20,7 @@
#include <device/pci_ids.h>
#include <console/console.h>
#include <cpu/x86/smm.h>
+#include <intelblocks/pmclib.h>
#include <soc/iomap.h>
#include <soc/gpio.h>
#include <soc/pci_devs.h>
@@ -128,7 +129,7 @@ static int choose_slp_s3_assertion_width(int width_usecs)
static void set_slp_s3_assertion_width(int width_usecs)
{
uint32_t reg;
- uintptr_t gen_pmcon3 = get_pmc_mmio_bar() + GEN_PMCON3;
+ uintptr_t gen_pmcon3 = soc_read_pmc_base() + GEN_PMCON3;
int setting = choose_slp_s3_assertion_width(width_usecs);
reg = read32((void *)gen_pmcon3);
@@ -143,7 +144,7 @@ static void pmc_init(struct device *dev)
/* Set up GPE configuration */
pmc_gpe_init();
- fixup_power_state();
+ pmc_fixup_power_state();
pch_set_acpi_mode();
if (cfg != NULL)
@@ -153,7 +154,7 @@ static void pmc_init(struct device *dev)
pch_log_state();
/* Now that things have been logged clear out the PMC state. */
- clear_pmc_status();
+ pmc_clear_status();
}
static const struct device_operations device_ops = {
diff --git a/src/soc/intel/apollolake/pmutil.c b/src/soc/intel/apollolake/pmutil.c
index bf89a09726..e007da9512 100644
--- a/src/soc/intel/apollolake/pmutil.c
+++ b/src/soc/intel/apollolake/pmutil.c
@@ -20,20 +20,18 @@
#include <arch/acpi.h>
#include <arch/io.h>
#include <console/console.h>
-#include <cbmem.h>
#include <cpu/x86/msr.h>
-#include <rules.h>
+#include <device/device.h>
+#include <device/pci.h>
#include <device/pci_def.h>
-#include <halt.h>
#include <intelblocks/msr.h>
+#include <intelblocks/pmclib.h>
+#include <rules.h>
#include <soc/iomap.h>
#include <soc/cpu.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
-#include <device/device.h>
-#include <device/pci.h>
#include <timer.h>
-#include <vboot/vboot_common.h>
#include "chip.h"
static uintptr_t read_pmc_mmio_bar(void)
@@ -41,32 +39,14 @@ static uintptr_t read_pmc_mmio_bar(void)
return PMC_BAR0;
}
-uintptr_t get_pmc_mmio_bar(void)
+uintptr_t soc_read_pmc_base(void)
{
return read_pmc_mmio_bar();
}
-static void print_num_status_bits(int num_bits, uint32_t status,
- const char * const bit_names[])
+const char *const *soc_smi_sts_array(size_t *a)
{
- 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[] = {
+ static const char *const smi_sts_bits[] = {
[BIOS_SMI_STS] = "BIOS",
[LEGACY_USB_SMI_STS] = "LEGACY USB",
[SLP_SMI_STS] = "SLP_SMI",
@@ -90,188 +70,44 @@ static uint32_t print_smi_status(uint32_t smi_sts)
[PMC_OCP_SMI_STS] = "OCP_CSE",
};
- 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)
-{
- uint32_t smi_sts = inl(ACPI_BASE_ADDRESS + SMI_STS);
- outl(smi_sts, ACPI_BASE_ADDRESS + SMI_STS);
- return smi_sts;
+ *a = ARRAY_SIZE(smi_sts_bits);
+ return smi_sts_bits;
}
-uint32_t clear_smi_status(void)
+/*
+ * For APL/GLK this check for power button status if nothing else
+ * is indicating an SMI and SMIs aren't turned into SCIs.
+ * Apparently, there is no PM1 status bit in the SMI status
+ * register. That makes things difficult for
+ * determining if the power button caused an SMI.
+ */
+uint32_t soc_get_smi_status(uint32_t generic_sts)
{
- uint32_t sts = reset_smi_status();
-
- /*
- * Check for power button status if nothing else is indicating an SMI
- * and SMIs aren't turned into SCIs. Apparently, there is no PM1 status
- * bit in the SMI status register. That makes things difficult for
- * determining if the power button caused an SMI.
- */
- if (sts == 0 && !(inl(ACPI_BASE_ADDRESS + PM1_CNT) & SCI_EN)) {
+ if (generic_sts == 0 && !(inl(ACPI_BASE_ADDRESS + PM1_CNT) & SCI_EN)) {
uint16_t pm1_sts = inw(ACPI_BASE_ADDRESS + PM1_STS);
/* Fake PM1 status bit if power button pressed. */
if (pm1_sts & PWRBTN_STS)
- sts |= (1 << FAKE_PM1_SMI_STS);
+ generic_sts |= (1 << FAKE_PM1_SMI_STS);
}
- return print_smi_status(sts);
-}
-
-uint32_t get_smi_en(void)
-{
- return inl(ACPI_BASE_ADDRESS + SMI_EN);
-}
-
-void enable_smi(uint32_t mask)
-{
- uint32_t smi_en = inl(ACPI_BASE_ADDRESS + SMI_EN);
- smi_en |= mask;
- outl(smi_en, ACPI_BASE_ADDRESS + SMI_EN);
-}
-
-void disable_smi(uint32_t mask)
-{
- uint32_t smi_en = inl(ACPI_BASE_ADDRESS + SMI_EN);
- smi_en &= ~mask;
- outl(smi_en, ACPI_BASE_ADDRESS + SMI_EN);
-}
-
-void enable_pm1_control(uint32_t mask)
-{
- uint32_t pm1_cnt = inl(ACPI_BASE_ADDRESS + PM1_CNT);
- pm1_cnt |= mask;
- outl(pm1_cnt, ACPI_BASE_ADDRESS + PM1_CNT);
-}
-
-void disable_pm1_control(uint32_t mask)
-{
- uint32_t pm1_cnt = inl(ACPI_BASE_ADDRESS + PM1_CNT);
- pm1_cnt &= ~mask;
- outl(pm1_cnt, ACPI_BASE_ADDRESS + PM1_CNT);
-}
-
-static uint16_t reset_pm1_status(void)
-{
- uint16_t pm1_sts = inw(ACPI_BASE_ADDRESS + PM1_STS);
- outw(pm1_sts, ACPI_BASE_ADDRESS + PM1_STS);
- return pm1_sts;
-}
-
-static uint16_t print_pm1_status(uint16_t pm1_sts)
-{
- static const char * const pm1_sts_bits[] = {
- [0] = "TMROF",
- [5] = "GBL",
- [8] = "PWRBTN",
- [10] = "RTC",
- [11] = "PRBTNOR",
- [13] = "USB",
- [14] = "PCIEXPWAK",
- [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;
+ return generic_sts;
}
-uint16_t clear_pm1_status(void)
+const char *const *soc_tco_sts_array(size_t *a)
{
- return print_pm1_status(reset_pm1_status());
-}
-
-void enable_pm1(uint16_t events)
-{
- outw(events, ACPI_BASE_ADDRESS + PM1_EN);
-}
-
-static uint32_t print_tco_status(uint32_t tco_sts)
-{
- static const char * const tco_sts_bits[] = {
+ static const char *const tco_sts_bits[] = {
[3] = "TIMEOUT",
[17] = "SECOND_TO",
};
- 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;
-}
-
-static uint32_t reset_tco_status(void)
-{
- uint32_t tco_sts = inl(ACPI_BASE_ADDRESS + TCO_STS);
- uint32_t tco_en = inl(ACPI_BASE_ADDRESS + TCO1_CNT);
-
- outl(tco_sts, ACPI_BASE_ADDRESS + TCO_STS);
- return tco_sts & tco_en;
-}
-
-uint32_t clear_tco_status(void)
-{
- return print_tco_status(reset_tco_status());
-}
-
-void enable_gpe(uint32_t mask)
-{
- uint32_t gpe0a_en = inl(ACPI_BASE_ADDRESS + GPE0_EN(0));
- gpe0a_en |= mask;
- outl(gpe0a_en, ACPI_BASE_ADDRESS + GPE0_EN(0));
-}
-
-void disable_gpe(uint32_t mask)
-{
- uint32_t gpe0a_en = inl(ACPI_BASE_ADDRESS + GPE0_EN(0));
- gpe0a_en &= ~mask;
- outl(gpe0a_en, ACPI_BASE_ADDRESS + GPE0_EN(0));
-}
-
-void disable_all_gpe(void)
-{
- disable_gpe(~0);
-}
-
-/* Clear the gpio gpe0 status bits in ACPI registers */
-void clear_gpi_gpe_sts(void)
-{
- int i;
-
- for (i = 1; i < GPE0_REG_MAX; i++) {
- uint32_t gpe_sts = inl(ACPI_BASE_ADDRESS + GPE0_STS(i));
- outl(gpe_sts, ACPI_BASE_ADDRESS + GPE0_STS(i));
- }
-}
-
-static uint32_t reset_gpe_status(void)
-{
- uint32_t gpe_sts = inl(ACPI_BASE_ADDRESS + GPE0_STS(0));
- outl(gpe_sts, ACPI_BASE_ADDRESS + GPE0_STS(0));
- return gpe_sts;
+ *a = ARRAY_SIZE(tco_sts_bits);
+ return tco_sts_bits;
}
-static uint32_t print_gpe_sts(uint32_t gpe_sts)
+const char *const *soc_gpe_sts_array(size_t *a)
{
- static const char * const gpe_sts_bits[] = {
+ static const char *const gpe_sts_bits[] = {
[0] = "PCIE_SCI",
[2] = "SWGPE",
[3] = "PCIE_WAKE0",
@@ -290,269 +126,61 @@ static uint32_t print_gpe_sts(uint32_t gpe_sts)
[17] = "SATA_PME",
};
- 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());
+ *a = ARRAY_SIZE(gpe_sts_bits);
+ return gpe_sts_bits;
}
-/* Read and clear GPE status (defined in arch/acpi.h) */
-int acpi_get_gpe(int gpe)
+uint32_t soc_reset_tco_status(void)
{
- int bank;
- uint32_t mask, sts;
- struct stopwatch sw;
- int rc = 0;
-
- if (gpe < 0 || gpe > GPE0_DW3_31)
- return -1;
-
- bank = gpe / 32;
- mask = 1 << (gpe % 32);
-
- /* Wait up to 1ms for GPE status to clear */
- stopwatch_init_msecs_expire(&sw, 1);
- do {
- if (stopwatch_expired(&sw))
- return rc;
-
- sts = inl(ACPI_BASE_ADDRESS + GPE0_STS(bank));
- if (sts & mask) {
- outl(mask, ACPI_BASE_ADDRESS + GPE0_STS(bank));
- rc = 1;
- }
- } while (sts & mask);
+ uint32_t tco_sts = inl(ACPI_BASE_ADDRESS + TCO_STS);
+ uint32_t tco_en = inl(ACPI_BASE_ADDRESS + TCO1_CNT);
- return rc;
+ outl(tco_sts, ACPI_BASE_ADDRESS + TCO_STS);
+ return tco_sts & tco_en;
}
-void clear_pmc_status(void)
+void soc_clear_pm_registers(uintptr_t pmc_bar)
{
- uint32_t prsts;
uint32_t gen_pmcon1;
- uintptr_t pmc_bar0 = read_pmc_mmio_bar();
-
- prsts = read32((void *)(pmc_bar0 + PRSTS));
- gen_pmcon1 = read32((void *)(pmc_bar0 + GEN_PMCON1));
+ gen_pmcon1 = read32((void *)(pmc_bar + GEN_PMCON1));
/* Clear the status bits. The RPS field is cleared on a 0 write. */
- write32((void *)(pmc_bar0 + GEN_PMCON1), gen_pmcon1 & ~RPS);
- write32((void *)(pmc_bar0 + PRSTS), prsts);
-}
-
-
-/* Return 0, 3, or 5 to indicate the previous sleep state. */
-int chipset_prev_sleep_state(struct chipset_power_state *ps)
-{
- /* Default to S0. */
- int prev_sleep_state = ACPI_S0;
-
- if (ps->pm1_sts & WAK_STS) {
- switch (acpi_sleep_from_pm1(ps->pm1_cnt)) {
- case ACPI_S3:
- if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME))
- prev_sleep_state = ACPI_S3;
- break;
- case ACPI_S5:
- prev_sleep_state = ACPI_S5;
- break;
- }
-
- /* Clear SLP_TYP. */
- outl(ps->pm1_cnt & ~(SLP_TYP), ACPI_BASE_ADDRESS + PM1_CNT);
- }
- return prev_sleep_state;
+ write32((void *)(pmc_bar + GEN_PMCON1), gen_pmcon1 & ~RPS);
}
-/*
- * This function re-writes the gpe0 register values in power state
- * cbmem variable. After system wakes from sleep state internal PMC logic
- * writes default values in GPE_CFG register which gives a wrong offset to
- * calculate the wake reason. So we need to set it again to the routing
- * table as per the devicetree.
- */
-void fixup_power_state(void)
+void soc_get_gpe_configs(uint8_t *dw0, uint8_t *dw1, uint8_t *dw2)
{
- int i;
- struct chipset_power_state *ps;
+ DEVTREE_CONST struct soc_intel_apollolake_config *config;
- ps = cbmem_find(CBMEM_ID_POWER_STATE);
- if (ps == NULL)
+ /* Look up the device in devicetree */
+ DEVTREE_CONST struct device *dev = dev_find_slot(0, SA_DEVFN_ROOT);
+ if (!dev || !dev->chip_info) {
+ printk(BIOS_ERR, "BUG! Could not find SOC devicetree config\n");
return;
-
- for (i = 0; i < GPE0_REG_MAX; i++) {
- ps->gpe0_sts[i] = inl(ACPI_BASE_ADDRESS + GPE0_STS(i));
- ps->gpe0_en[i] = inl(ACPI_BASE_ADDRESS + GPE0_EN(i));
- printk(BIOS_DEBUG, "gpe0_sts[%d]: %08x gpe0_en[%d]: %08x\n",
- i, ps->gpe0_sts[i], i, ps->gpe0_en[i]);
}
+ config = dev->chip_info;
+
+ /* Assign to out variable */
+ *dw0 = config->gpe0_dw1;
+ *dw1 = config->gpe0_dw2;
+ *dw2 = config->gpe0_dw3;
}
-/* returns prev_sleep_state */
-int fill_power_state(struct chipset_power_state *ps)
+void soc_fill_power_state(struct chipset_power_state *ps)
{
- int i;
uintptr_t pmc_bar0 = read_pmc_mmio_bar();
- ps->pm1_sts = inw(ACPI_BASE_ADDRESS + PM1_STS);
- ps->pm1_en = inw(ACPI_BASE_ADDRESS + PM1_EN);
- ps->pm1_cnt = inl(ACPI_BASE_ADDRESS + PM1_CNT);
ps->tco_sts = inl(ACPI_BASE_ADDRESS + TCO_STS);
ps->prsts = read32((void *)(pmc_bar0 + PRSTS));
ps->gen_pmcon1 = read32((void *)(pmc_bar0 + GEN_PMCON1));
ps->gen_pmcon2 = read32((void *)(pmc_bar0 + GEN_PMCON2));
ps->gen_pmcon3 = read32((void *)(pmc_bar0 + GEN_PMCON3));
- ps->prev_sleep_state = chipset_prev_sleep_state(ps);
-
- printk(BIOS_DEBUG, "pm1_sts: %04x pm1_en: %04x pm1_cnt: %08x\n",
- ps->pm1_sts, ps->pm1_en, ps->pm1_cnt);
printk(BIOS_DEBUG, "prsts: %08x tco_sts: %08x\n",
- ps->prsts, ps->tco_sts);
+ ps->prsts, ps->tco_sts);
printk(BIOS_DEBUG,
- "gen_pmcon1: %08x gen_pmcon2: %08x gen_pmcon3: %08x\n",
- ps->gen_pmcon1, ps->gen_pmcon2, ps->gen_pmcon3);
- printk(BIOS_DEBUG, "smi_en: %08x smi_sts: %08x\n",
- inl(ACPI_BASE_ADDRESS + SMI_EN), inl(ACPI_BASE_ADDRESS + SMI_STS));
- for (i = 0; i < GPE0_REG_MAX; i++) {
- ps->gpe0_sts[i] = inl(ACPI_BASE_ADDRESS + GPE0_STS(i));
- ps->gpe0_en[i] = inl(ACPI_BASE_ADDRESS + GPE0_EN(i));
- printk(BIOS_DEBUG, "gpe0_sts[%d]: %08x gpe0_en[%d]: %08x\n",
- i, ps->gpe0_sts[i], i, ps->gpe0_en[i]);
- }
- printk(BIOS_DEBUG, "prev_sleep_state %d\n", ps->prev_sleep_state);
- return ps->prev_sleep_state;
-}
-
-int vboot_platform_is_resuming(void)
-{
- if (!(inw(ACPI_BASE_ADDRESS + PM1_STS) & WAK_STS))
- return 0;
-
- return acpi_sleep_from_pm1(inl(ACPI_BASE_ADDRESS + PM1_CNT)) == ACPI_S3;
-}
-
-/*
- * If possible, lock 0xcf9. Once the register is locked, it can't be changed.
- * This lock is reset on cold boot, hard reset, soft reset and Sx.
- */
-void global_reset_lock(void)
-{
- uintptr_t etr = read_pmc_mmio_bar() + ETR;
- uint32_t reg;
-
- reg = read32((void *)etr);
- if (reg & CF9_LOCK)
- return;
- reg |= CF9_LOCK;
- write32((void *)etr, reg);
-}
-
-/*
- * Enable or disable global reset. If global reset is enabled, hard reset and
- * soft reset will trigger global reset, where both host and TXE are reset.
- * This is cleared on cold boot, hard reset, soft reset and Sx.
- */
-void global_reset_enable(bool enable)
-{
- uintptr_t etr = read_pmc_mmio_bar() + ETR;
- uint32_t reg;
-
- reg = read32((void *)etr);
- reg = enable ? reg | CF9_GLB_RST : reg & ~CF9_GLB_RST;
- write32((void *)etr, reg);
-}
-
-/*
- * The PM1 control is set to S5 when vboot requests a reboot because the power
- * state code above may not have collected its data yet. Therefore, set it to
- * S5 when vboot requests a reboot. That's necessary if vboot fails in the
- * resume path and requests a reboot. This prevents a reboot loop where the
- * error is continually hit on the failing vboot resume path.
- */
-void vboot_platform_prepare_reboot(void)
-{
- const uint16_t port = ACPI_BASE_ADDRESS + PM1_CNT;
- outl((inl(port) & ~(SLP_TYP)) | (SLP_TYP_S5 << SLP_TYP_SHIFT), port);
-}
-
-void poweroff(void)
-{
- enable_pm1_control(SLP_EN | (SLP_TYP_S5 << SLP_TYP_SHIFT));
-
- /*
- * Setting SLP_TYP_S5 in PM1 triggers SLP_SMI, which is handled by SMM
- * to transition to S5 state. If halt is called in SMM, then it prevents
- * the SMI handler from being triggered and system never enters S5.
- */
- if (!ENV_SMM)
- halt();
-}
-
-void pmc_gpe_init(void)
-{
- uint32_t gpio_cfg = 0;
- uint32_t gpio_cfg_reg;
- uint8_t dw1, dw2, dw3;
- DEVTREE_CONST struct soc_intel_apollolake_config *config;
-
- /* Look up the device in devicetree */
- DEVTREE_CONST struct device *dev = dev_find_slot(0, SA_DEVFN_ROOT);
- if (!dev || !dev->chip_info) {
- printk(BIOS_ERR, "BUG! Could not find SOC devicetree config\n");
- return;
- }
- config = dev->chip_info;
-
- uintptr_t pmc_bar = get_pmc_mmio_bar();
-
- const uint32_t gpio_cfg_mask =
- (GPE0_DWX_MASK << GPE0_DW1_SHIFT) |
- (GPE0_DWX_MASK << GPE0_DW2_SHIFT) |
- (GPE0_DWX_MASK << GPE0_DW3_SHIFT);
-
- /* Assign to local variable */
- dw1 = config->gpe0_dw1;
- dw2 = config->gpe0_dw2;
- dw3 = config->gpe0_dw3;
-
- /* Making sure that bad values don't bleed into the other fields */
- dw1 &= GPE0_DWX_MASK;
- dw2 &= GPE0_DWX_MASK;
- dw3 &= GPE0_DWX_MASK;
-
- /* Route the GPIOs to the GPE0 block. Determine that all values
- * are different, and if they aren't use the reset values.
- * DW0 is reserved/unused */
- if (dw1 == dw2 || dw2 == dw3) {
- printk(BIOS_INFO, "PMC: Using default GPE route.\n");
- gpio_cfg = read32((void *)pmc_bar + GPIO_GPE_CFG);
-
- dw1 = (gpio_cfg >> GPE0_DW1_SHIFT) & GPE0_DWX_MASK;
- dw2 = (gpio_cfg >> GPE0_DW2_SHIFT) & GPE0_DWX_MASK;
- dw3 = (gpio_cfg >> GPE0_DW3_SHIFT) & GPE0_DWX_MASK;
- } else {
- gpio_cfg |= (uint32_t)dw1 << GPE0_DW1_SHIFT;
- gpio_cfg |= (uint32_t)dw2 << GPE0_DW2_SHIFT;
- gpio_cfg |= (uint32_t)dw3 << GPE0_DW3_SHIFT;
- }
-
- gpio_cfg_reg = read32((void *)pmc_bar + GPIO_GPE_CFG) & ~gpio_cfg_mask;
- gpio_cfg_reg |= gpio_cfg & gpio_cfg_mask;
-
- write32((void *)pmc_bar + GPIO_GPE_CFG, gpio_cfg_reg);
-
- /* Set the routes in the GPIO communities as well. */
- gpio_route_gpe(dw1, dw2, dw3);
+ "gen_pmcon1: %08x gen_pmcon2: %08x gen_pmcon3: %08x\n",
+ ps->gen_pmcon1, ps->gen_pmcon2, ps->gen_pmcon3);
}
void enable_pm_timer_emulation(void)
@@ -566,7 +194,7 @@ void enable_pm_timer_emulation(void)
* frequency is used.
*/
msr.hi = (3579545ULL << 32) / CTC_FREQ;
- /* Set PM1 timer IO port and enable*/
+ /* Set PM1 timer IO port and enable */
msr.lo = EMULATE_PM_TMR_EN | (ACPI_BASE_ADDRESS + R_ACPI_PM1_TMR);
wrmsr(MSR_EMULATE_PM_TMR, msr);
}
diff --git a/src/soc/intel/apollolake/reset.c b/src/soc/intel/apollolake/reset.c
index 15e78fe203..6ea7a5998e 100644
--- a/src/soc/intel/apollolake/reset.c
+++ b/src/soc/intel/apollolake/reset.c
@@ -16,6 +16,7 @@
#include <console/console.h>
#include <delay.h>
#include <fsp/util.h>
+#include <intelblocks/pmclib.h>
#include <reset.h>
#include <soc/heci.h>
#include <soc/pm.h>
@@ -25,8 +26,8 @@
void do_global_reset(void)
{
- global_reset_enable(1);
- do_hard_reset();
+ pmc_global_reset_enable(1);
+ hard_reset();
}
void soc_reset_prepare(enum reset_type reset_type)
diff --git a/src/soc/intel/apollolake/romstage.c b/src/soc/intel/apollolake/romstage.c
index 9dad15fc3a..59278a6942 100644
--- a/src/soc/intel/apollolake/romstage.c
+++ b/src/soc/intel/apollolake/romstage.c
@@ -33,6 +33,7 @@
#include <fsp/util.h>
#include <intelblocks/cpulib.h>
#include <intelblocks/systemagent.h>
+#include <intelblocks/pmclib.h>
#include <reset.h>
#include <soc/cpu.h>
#include <soc/intel/common/mrc_cache.h>
@@ -231,7 +232,7 @@ asmlinkage void car_stage_entry(void)
console_init();
- s3wake = fill_power_state(ps) == ACPI_S3;
+ s3wake = pmc_fill_power_state(ps) == ACPI_S3;
fsp_memory_init(s3wake);
if (punit_init())
diff --git a/src/soc/intel/apollolake/smi.c b/src/soc/intel/apollolake/smi.c
index cf1b386109..f506aef63d 100644
--- a/src/soc/intel/apollolake/smi.c
+++ b/src/soc/intel/apollolake/smi.c
@@ -22,6 +22,7 @@
#include <cpu/cpu.h>
#include <cpu/x86/cache.h>
#include <cpu/x86/smm.h>
+#include <intelblocks/pmclib.h>
#include <string.h>
#include <soc/pm.h>
#include <soc/smm.h>
@@ -30,7 +31,7 @@ void southbridge_smm_clear_state(void)
{
printk(BIOS_DEBUG, "Initializing Southbridge SMI...");
- if (get_smi_en() & APMC_EN) {
+ if (pmc_get_smi_en() & APMC_EN) {
printk(BIOS_INFO, "SMI# handler already enabled?\n");
return;
}
@@ -38,21 +39,21 @@ void southbridge_smm_clear_state(void)
printk(BIOS_DEBUG, "Done\n");
/* Dump and clear status registers */
- clear_smi_status();
- clear_pm1_status();
- clear_tco_status();
- clear_gpe_status();
+ pmc_clear_smi_status();
+ pmc_clear_pm1_status();
+ pmc_clear_tco_status();
+ pmc_clear_gpe_status();
}
void southbridge_smm_enable_smi(void)
{
printk(BIOS_DEBUG, "Enabling SMIs.\n");
/* Configure events */
- enable_pm1(PWRBTN_EN | GBL_EN);
- disable_gpe(PME_B0_EN);
+ pmc_enable_pm1(PWRBTN_EN | GBL_EN);
+ pmc_disable_gpe(PME_B0_EN);
/* Enable SMI generation */
- enable_smi(APMC_EN | SLP_SMI_EN | GBL_SMI_EN | EOS | GPIO_EN);
+ pmc_enable_smi(APMC_EN | SLP_SMI_EN | GBL_SMI_EN | EOS | GPIO_EN);
}
void smm_setup_structures(void *gnvs, void *tcg, void *smi1)