/* SPDX-License-Identifier: GPL-2.0-only */

#ifndef AMD_MENDOCINO_SOUTHBRIDGE_H
#define AMD_MENDOCINO_SOUTHBRIDGE_H

#include <soc/iomap.h>

/* Power management registers:  0xfed80300 or index/data at IO 0xcd6/cd7 */
#define PM_ISACONTROL			0x04
#define   ABCLKGATEEN			BIT(16)
#define PM_PCI_CTRL			0x08
#define   FORCE_SLPSTATE_RETRY		BIT(25)
#define PWR_RESET_CFG			0x10
#define   TOGGLE_ALL_PWR_GOOD		BIT(1)
#define PM_SERIRQ_CONF			0x54
#define   PM_SERIRQ_NUM_BITS_17		0x0000
#define   PM_SERIRQ_NUM_BITS_18		0x0004
#define   PM_SERIRQ_NUM_BITS_19		0x0008
#define   PM_SERIRQ_NUM_BITS_20		0x000c
#define   PM_SERIRQ_NUM_BITS_21		0x0010
#define   PM_SERIRQ_NUM_BITS_22		0x0014
#define   PM_SERIRQ_NUM_BITS_23		0x0018
#define   PM_SERIRQ_NUM_BITS_24		0x001c
#define   PM_SERIRQ_MODE		BIT(6)
#define   PM_SERIRQ_ENABLE		BIT(7)
#define PM_EVT_BLK			0x60
#define   WAK_STS			BIT(15) /*AcpiPmEvtBlkx00 Pm1Status */
#define   PCIEXPWAK_STS			BIT(14)
#define   RTC_STS			BIT(10)
#define   PWRBTN_STS			BIT(8)
#define   GBL_STS			BIT(5)
#define   BM_STS			BIT(4)
#define   TIMER_STS			BIT(0)
#define   PCIEXPWAK_DIS			BIT(14) /*AcpiPmEvtBlkx02 Pm1Enable */
#define   RTC_EN			BIT(10)
#define   PWRBTN_EN			BIT(8)
#define   GBL_EN			BIT(5)
#define   TIMER_STS			BIT(0)
#define PM1_CNT_BLK			0x62
#define PM_TMR_BLK			0x64
#define PM_GPE0_BLK			0x68
#define PM_ACPI_SMI_CMD			0x6a
#define PM_ACPI_CONF			0x74
#define   PM_ACPI_DECODE_STD		BIT(0)
#define   PM_ACPI_GLOBAL_EN		BIT(1)
#define   PM_ACPI_RTC_EN_EN		BIT(2)
#define   PM_ACPI_SLPBTN_EN_EN		BIT(3)
#define   PM_ACPI_TIMER_EN_EN		BIT(4)
#define   PM_ACPI_MASK_ARB_DIS		BIT(6)
#define   PM_ACPI_BIOS_RLS		BIT(7)
#define   PM_ACPI_PWRBTNEN_EN		BIT(8)
#define   PM_ACPI_REDUCED_HW_EN		BIT(9)
#define   PM_ACPI_S5_LPC_PIN_MODE_SEL	BIT(10)
#define   PM_ACPI_S5_LPC_PIN_MODE	BIT(11)
#define   PM_ACPI_LPC_RST_DIS		BIT(12)
#define   PM_ACPI_SEL_PWRGD_PAD		BIT(13)
#define   PM_ACPI_SEL_SMU_THERMTRIP	BIT(14)
#define   PM_ACPI_SW_S5PWRMUX_OVRD_N	BIT(15)
#define   PM_ACPI_SW_S5PWRMUX		BIT(16)
#define   PM_ACPI_EN_SHUTDOWN_MSG	BIT(17)
#define   PM_ACPI_EN_SYNC_FLOOD		BIT(18)
#define   PM_ACPI_FORCE_SPIUSEPIN_0	BIT(19)
#define   PM_ACPI_EN_DF_INTRWAKE	BIT(20)
#define   PM_ACPI_MASK_USB_S5_RST	BIT(21)
#define   PM_ACPI_USE_RSMU_RESET	BIT(22)
#define   PM_ACPI_RST_USB_S5		BIT(23)
#define   PM_ACPI_BLOCK_PCIE_PME	BIT(24)
#define   PM_ACPI_PCIE_WAK_MASK		BIT(25)
#define   PM_ACPI_PCIE_WAK_INTR_DIS	BIT(26)
#define   PM_ACPI_WAKE_AS_GEVENT	BIT(27)
#define   PM_ACPI_NB_PME_GEVENT		BIT(28)
#define   PM_ACPI_RTC_WAKE_EN		BIT(29)
#define   PM_ACPI_USE_GATED_ALINK_CLK	BIT(30)
#define   PM_ACPI_DELAY_GPP_OFF_TIME	BIT(31)
#define PM_SPI_PAD_PU_PD		0x90
#define PM_LPC_GATING			0xec
#define   PM_LPC_AB_NO_BYPASS_EN	BIT(2)
#define   PM_LPC_A20_EN			BIT(1)
#define   PM_LPC_ENABLE			BIT(0)

#define PM1_LIMIT			16
#define GPE0_LIMIT			32
#define TOTAL_BITS(a)			(8 * sizeof(a))

#define FCH_LEGACY_UART_DECODE		(ALINK_AHB_ADDRESS + 0x20) /* 0xfedc0020 */

/* FCH MISC Registers 0xfed80e00 */
#define     GPP_CLK_OUTPUT_AVAILABLE	4

#define MISC_CLKGATEDCNTL		0x2c
#define   ALINKCLK_GATEOFFEN		BIT(16)
#define   BLINKCLK_GATEOFFEN		BIT(17)
#define   XTAL_PAD_S0I3_TURNOFF_EN	BIT(19)
#define   XTAL_PAD_S3_TURNOFF_EN	BIT(20)
#define   XTAL_PAD_S5_TURNOFF_EN	BIT(21)
#define MISC_CGPLL_CONFIGURATION0	0x30
#define   USB_PHY_CMCLK_S3_DIS		BIT(8)
#define   USB_PHY_CMCLK_S0I3_DIS	BIT(9)
#define   USB_PHY_CMCLK_S5_DIS		BIT(10)
#define MISC_CLK_CNTL0			0x40 /* named MISC_CLK_CNTL1 on Picasso */
#define   BP_X48M0_S0I3_DIS		BIT(4)
#define   BP_X48M0_OUTPUT_EN		BIT(2) /* 1=En, unlike Hudson, Kern */

void fch_pre_init(void);
void fch_early_init(void);
void fch_init(void *chip_info);
void fch_final(void *chip_info);

#endif /* AMD_MENDOCINO_SOUTHBRIDGE_H */
