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Diffstat (limited to 'src/soc/intel/apollolake/acpi.c')
-rw-r--r--src/soc/intel/apollolake/acpi.c232
1 files changed, 60 insertions, 172 deletions
diff --git a/src/soc/intel/apollolake/acpi.c b/src/soc/intel/apollolake/acpi.c
index 1826b48458..e4846e4d05 100644
--- a/src/soc/intel/apollolake/acpi.c
+++ b/src/soc/intel/apollolake/acpi.c
@@ -17,20 +17,20 @@
#include <arch/acpi.h>
#include <arch/acpigen.h>
+#include <arch/io.h>
#include <arch/ioapic.h>
#include <arch/smp/mpspec.h>
#include <cbmem.h>
#include <cpu/x86/smm.h>
#include <cpu/cpu.h>
-#include <soc/acpi.h>
-#include <soc/intel/common/acpi.h>
+#include <gpio.h>
+#include <intelblocks/acpi.h>
+#include <intelblocks/pmclib.h>
#include <soc/iomap.h>
#include <soc/pm.h>
#include <soc/nvs.h>
#include <soc/pci_devs.h>
#include <string.h>
-#include <soc/gpio.h>
-#include <gpio.h>
#include "chip.h"
#define CSTATE_RES(address_space, width, offset, address) \
@@ -41,116 +41,41 @@
.addrl = address, \
}
-unsigned long acpi_fill_mcfg(unsigned long current)
-{
- /* PCI Segment Group 0, Start Bus Number 0, End Bus Number is 255 */
- current += acpi_create_mcfg_mmconfig((void *) current,
- CONFIG_MMCONF_BASE_ADDRESS, 0, 0,
- 255);
- return current;
-}
-
-static int acpi_sci_irq(void)
-{
- int sci_irq = 9;
- return sci_irq;
-}
-
-static unsigned long acpi_madt_irq_overrides(unsigned long current)
-{
- int sci = acpi_sci_irq();
- uint16_t flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW;
-
- /* INT_SRC_OVR */
- current += acpi_create_madt_irqoverride((void *)current, 0, 0, 2, 0);
-
- /* SCI */
- current += acpi_create_madt_irqoverride((void *)current, 0, sci, sci,
- flags);
-
- return current;
-}
-
-unsigned long acpi_fill_madt(unsigned long current)
-{
- /* Local APICs */
- current = acpi_create_madt_lapics(current);
-
- /* IOAPIC */
- current += acpi_create_madt_ioapic((void *) current,
- 2, IO_APIC_ADDR, 0);
-
- return acpi_madt_irq_overrides(current);
-}
+static acpi_cstate_t cstate_map[] = {
+ {
+ /* C1 */
+ .ctype = 1, /* ACPI C1 */
+ .latency = 1,
+ .power = 1000,
+ .resource = CSTATE_RES(ACPI_ADDRESS_SPACE_FIXED, 0, 0, 0),
+ },
+ {
+ .ctype = 2, /* ACPI C2 */
+ .latency = 50,
+ .power = 10,
+ .resource = CSTATE_RES(ACPI_ADDRESS_SPACE_IO, 8, 0, 0x415),
+ },
+ {
+ .ctype = 3, /* ACPI C3 */
+ .latency = 150,
+ .power = 10,
+ .resource = CSTATE_RES(ACPI_ADDRESS_SPACE_IO, 8, 0, 0x419),
+ }
+};
-void acpi_fill_fadt(acpi_fadt_t *fadt)
+uint32_t soc_read_sci_irq_select(void)
{
- const uint16_t pmbase = ACPI_BASE_ADDRESS;
-
- /* Use ACPI 3.0 revision. */
- fadt->header.revision = ACPI_FADT_REV_ACPI_3_0;
-
- fadt->sci_int = acpi_sci_irq();
- fadt->smi_cmd = APM_CNT;
- fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
- fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
-
- fadt->pm1a_evt_blk = pmbase + PM1_STS;
- fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
- fadt->pm_tmr_blk = pmbase + PM1_TMR;
- fadt->gpe0_blk = pmbase + GPE0_STS(0);
-
- fadt->pm1_evt_len = 4;
- fadt->pm1_cnt_len = 2;
- fadt->pm_tmr_len = 4;
- /* There are 4 GPE0 STS/EN pairs each 32 bits wide. */
- fadt->gpe0_blk_len = 2 * GPE0_REG_MAX * sizeof(uint32_t);
- fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED;
- fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
- fadt->flush_size = 0x400; /* twice of cache size*/
- fadt->flush_stride = 0x10; /* Cache line width */
- fadt->duty_offset = 1;
- fadt->duty_width = 3;
- fadt->day_alrm = 0xd;
- fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
-
- fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
- ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
- ACPI_FADT_RESET_REGISTER | ACPI_FADT_SEALED_CASE |
- ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK;
-
- fadt->reset_reg.space_id = 1;
- fadt->reset_reg.bit_width = 8;
- fadt->reset_reg.addrl = 0xcf9;
- fadt->reset_value = 6;
-
- fadt->x_pm1a_evt_blk.space_id = 1;
- fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
- fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
-
- fadt->x_pm1b_evt_blk.space_id = 1;
-
- fadt->x_pm1a_cnt_blk.space_id = 1;
- fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
- fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
-
- fadt->x_pm1b_cnt_blk.space_id = 1;
-
- fadt->x_pm_tmr_blk.space_id = 1;
- fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
- fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
-
- fadt->x_gpe1_blk.space_id = 1;
+ uintptr_t pmc_bar = soc_read_pmc_base();
+ return read32((void *)pmc_bar + IRQ_REG);
}
-unsigned long southbridge_write_acpi_tables(device_t device,
- unsigned long current,
- struct acpi_rsdp *rsdp)
+acpi_cstate_t *soc_get_cstate_map(size_t *entries)
{
- return acpi_write_hpet(device, current, rsdp);
+ *entries = ARRAY_SIZE(cstate_map);
+ return cstate_map;
}
-static void acpi_create_gnvs(struct global_nvs_t *gnvs)
+void acpi_create_gnvs(struct global_nvs_t *gnvs)
{
struct soc_intel_apollolake_config *cfg;
struct device *dev = SA_DEV_ROOT;
@@ -159,7 +84,7 @@ static void acpi_create_gnvs(struct global_nvs_t *gnvs)
memset(gnvs, 0, sizeof(*gnvs));
if (IS_ENABLED(CONFIG_CONSOLE_CBMEM))
- gnvs->cbmc = (uintptr_t)cbmem_find(CBMEM_ID_CONSOLE);
+ gnvs->cbmc = (uintptr_t) cbmem_find(CBMEM_ID_CONSOLE);
if (IS_ENABLED(CONFIG_CHROMEOS)) {
/* Initialize Verified Boot data */
@@ -184,7 +109,7 @@ static void acpi_create_gnvs(struct global_nvs_t *gnvs)
/* Assign address of PERST_0 if GPIO is defined in devicetree */
if (cfg->prt0_gpio != GPIO_PRT0_UDEF)
- gnvs->prt0 = (uintptr_t)gpio_dwx_address(cfg->prt0_gpio);
+ gnvs->prt0 = (uintptr_t) gpio_dwx_address(cfg->prt0_gpio);
/* Get sdcard cd GPIO portid if GPIO is defined in devicetree.
* Get offset of sdcard cd pin.
@@ -195,87 +120,50 @@ static void acpi_create_gnvs(struct global_nvs_t *gnvs)
}
}
-/* Save wake source information for calculating ACPI _SWS values */
-int soc_fill_acpi_wake(uint32_t *pm1, uint32_t **gpe0)
+uint32_t acpi_fill_soc_wake(uint32_t generic_pm1_en,
+ const struct chipset_power_state *ps)
{
- struct chipset_power_state *ps;
- static uint32_t gpe0_sts[GPE0_REG_MAX];
- uint32_t pm1_en;
- int i;
-
- ps = cbmem_find(CBMEM_ID_POWER_STATE);
- if (ps == NULL)
- return -1;
-
/*
- * PM1_EN to check the basic wake events which can happen through
- * powerbtn or any other wake source like lidopen, key board press etc.
* WAK_STS bit is set when the system is in one of the sleep states
* (via the SLP_EN bit) and an enabled wake event occurs. Upon setting
* this bit, the PMC will transition the system to the ON state and
* can only be set by hardware and can only be cleared by writing a one
* to this bit position.
*/
- pm1_en = ps->pm1_en | WAK_STS | RTC_EN | PWRBTN_EN;
- *pm1 = ps->pm1_sts & pm1_en;
- /* Mask off GPE0 status bits that are not enabled */
- *gpe0 = &gpe0_sts[0];
- for (i = 0; i < GPE0_REG_MAX; i++)
- gpe0_sts[i] = ps->gpe0_sts[i] & ps->gpe0_en[i];
+ generic_pm1_en |= WAK_STS | RTC_EN | PWRBTN_EN;
+ return generic_pm1_en;
+}
- return GPE0_REG_MAX;
+int soc_madt_sci_irq_polarity(int sci)
+{
+ return MP_IRQ_POLARITY_LOW;
}
-void southbridge_inject_dsdt(device_t device)
+void soc_fill_fadt(acpi_fadt_t *fadt)
{
- struct global_nvs_t *gnvs;
+ fadt->pm_tmr_blk = ACPI_BASE_ADDRESS + PM1_TMR;
- gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
+ fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED;
+ fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
- if (gnvs) {
- acpi_create_gnvs(gnvs);
- acpi_save_gnvs((uintptr_t)gnvs);
- /* And tell SMI about it */
- smm_setup_structures(gnvs, NULL, NULL);
+ fadt->pm_tmr_len = 4;
+ fadt->duty_width = 3;
- /* Add it to DSDT. */
- acpigen_write_scope("\\");
- acpigen_write_name_dword("NVSA", (uintptr_t)gnvs);
- acpigen_pop_len();
- }
-}
-static acpi_cstate_t cstate_map[] = {
- {
- /* C1 */
- .ctype = 1, /* ACPI C1 */
- .latency = 1,
- .power = 1000,
- .resource = CSTATE_RES(ACPI_ADDRESS_SPACE_FIXED, 0, 0, 0),
- },
- {
- .ctype = 2, /* ACPI C2 */
- .latency = 50,
- .power = 10,
- .resource = CSTATE_RES(ACPI_ADDRESS_SPACE_IO, 8, 0, 0x415),
- },
- {
- .ctype = 3, /* ACPI C3 */
- .latency = 150,
- .power = 10,
- .resource = CSTATE_RES(ACPI_ADDRESS_SPACE_IO, 8, 0, 0x419),
- }
-};
+ fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
-acpi_cstate_t *soc_get_cstate_map(int *entries)
-{
- *entries = ARRAY_SIZE(cstate_map);
- return cstate_map;
+ fadt->x_pm_tmr_blk.space_id = 1;
+ fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
+ fadt->x_pm_tmr_blk.addrl = ACPI_BASE_ADDRESS + PM1_TMR;
}
-uint16_t soc_get_acpi_base_address(void)
+void soc_power_states_generation(int core_id, int cores_per_package)
{
- return ACPI_BASE_ADDRESS;
+ /* Generate P-state tables */
+ generate_p_state_entries(core_id, cores_per_package);
+
+ /* Generate T-state tables */
+ generate_t_state_entries(core_id, cores_per_package);
}
static void acpigen_soc_get_dw0_in_local5(uintptr_t addr)
@@ -294,7 +182,7 @@ static void acpigen_soc_get_dw0_in_local5(uintptr_t addr)
static int acpigen_soc_get_gpio_val(unsigned int gpio_num, uint32_t mask)
{
assert(gpio_num < TOTAL_PADS);
- uintptr_t addr = (uintptr_t)gpio_dwx_address(gpio_num);
+ uintptr_t addr = (uintptr_t) gpio_dwx_address(gpio_num);
acpigen_soc_get_dw0_in_local5(addr);
@@ -320,7 +208,7 @@ static int acpigen_soc_get_gpio_val(unsigned int gpio_num, uint32_t mask)
static int acpigen_soc_set_gpio_val(unsigned int gpio_num, uint32_t val)
{
assert(gpio_num < TOTAL_PADS);
- uintptr_t addr = (uintptr_t)gpio_dwx_address(gpio_num);
+ uintptr_t addr = (uintptr_t) gpio_dwx_address(gpio_num);
acpigen_soc_get_dw0_in_local5(addr);