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/* SPDX-License-Identifier: GPL-2.0-only */
#include <amdblocks/acpimmio.h>
#include <amdblocks/smi.h>
#include <assert.h>
#include <cpu/x86/smm.h>
#include <soc/iomap.h>
#include <soc/smi.h>
#include <soc/southbridge.h>
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);
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. */
reg = pm_read32(PM_PCI_CTRL);
reg |= FORCE_SLPSTATE_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();
}
void fch_final(void *chip_info)
{
}
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