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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef AMD_PICASSO_SOUTHBRIDGE_H
#define AMD_PICASSO_SOUTHBRIDGE_H
#include <types.h>
#include <device/device.h>
#include <device/pci_def.h>
#include <soc/iomap.h>
/*
* AcpiMmio Region
* - fixed addresses offset from 0xfed80000
*/
/* Power management registers: 0xfed80300 or index/data at IO 0xcd6/cd7 */
#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_CPU_CTRL 0x66
#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_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_BLOCK_PCIE_PME BIT(24)
#define PM_ACPI_PCIE_WAK_MASK BIT(25)
#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_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))
/* FCH MISC Registers 0xfed80e00 */
#define GPP_CLK_CNTRL 0x00
#define GPP_CLK0_REQ_SHIFT 0
#define GPP_CLK1_REQ_SHIFT 2
#define GPP_CLK4_REQ_SHIFT 4
#define GPP_CLK2_REQ_SHIFT 6
#define GPP_CLK3_REQ_SHIFT 8
#define GPP_CLK5_REQ_SHIFT 10
#define GPP_CLK6_REQ_SHIFT 12
#define GPP_CLK_OUTPUT_COUNT 7
#define GPP_CLK_REQ_MASK(clk_shift) (0x3 << (clk_shift))
#define GPP_CLK_REQ_ON(clk_shift) (0x3 << (clk_shift))
#define GPP_CLK_REQ_EXT(clk_shift) (0x1 << (clk_shift))
#define GPP_CLK_REQ_OFF(clk_shift) (0x0 << (clk_shift))
#define MISC_CGPLL_CONFIG1 0x08
#define CG1PLL_SPREAD_SPECTRUM_ENABLE BIT(0)
#define MISC_CLK_CNTL1 0x40
#define BP_X48M0_OUTPUT_EN BIT(2) /* 1=En, unlike Hudson, Kern */
#define MISC_I2C0_PAD_CTRL 0xd8
#define MISC_I2C1_PAD_CTRL 0xdc
#define MISC_I2C2_PAD_CTRL 0xe0
#define MISC_I2C3_PAD_CTRL 0xe4
#define I2C_PAD_CTRL_NG_MASK (BIT(0) + BIT(1) + BIT(2) + BIT(3))
#define I2C_PAD_CTRL_NG_NORMAL 0xc
#define I2C_PAD_CTRL_RX_SEL_MASK (BIT(4) + BIT(5))
#define I2C_PAD_CTRL_RX_SHIFT 4
#define I2C_PAD_CTRL_RX_SEL_OFF (0 << I2C_PAD_CTRL_RX_SHIFT)
#define I2C_PAD_CTRL_RX_SEL_3_3V (1 << I2C_PAD_CTRL_RX_SHIFT)
#define I2C_PAD_CTRL_RX_SEL_1_8V (3 << I2C_PAD_CTRL_RX_SHIFT)
#define I2C_PAD_CTRL_PULLDOWN_EN BIT(6)
#define I2C_PAD_CTRL_FALLSLEW_MASK (BIT(7) + BIT(8))
#define I2C_PAD_CTRL_FALLSLEW_SHIFT 7
#define I2C_PAD_CTRL_FALLSLEW_STD (0 << I2C_PAD_CTRL_FALLSLEW_SHIFT)
#define I2C_PAD_CTRL_FALLSLEW_LOW (1 << I2C_PAD_CTRL_FALLSLEW_SHIFT)
#define I2C_PAD_CTRL_FALLSLEW_EN BIT(9)
#define I2C_PAD_CTRL_SPIKE_RC_EN BIT(10)
#define I2C_PAD_CTRL_SPIKE_RC_SEL BIT(11) /* 0 = 50ns, 1 = 20ns */
#define I2C_PAD_CTRL_CAP_DOWN BIT(12)
#define I2C_PAD_CTRL_CAP_UP BIT(13)
#define I2C_PAD_CTRL_RES_DOWN BIT(14)
#define I2C_PAD_CTRL_RES_UP BIT(15)
#define I2C_PAD_CTRL_BIOS_CRT_EN BIT(16)
#define I2C_PAD_CTRL_SPARE0 BIT(17)
#define I2C_PAD_CTRL_SPARE1 BIT(18)
#define FCH_LEGACY_UART_DECODE (ALINK_AHB_ADDRESS + 0x20) /* 0xfedc0020 */
/* SATA Controller D11F0 */
#define SATA_MISC_CONTROL_REG 0x40
#define SATA_MISC_SUBCLASS_WREN BIT(0)
/* Register in AHCIBaseAddress (BAR5 at D11F0x24) */
#define SATA_CAPABILITIES_REG 0xfc
#define SATA_CAPABILITY_SPM BIT(12)
void fch_pre_init(void);
void fch_early_init(void);
void fch_init(void *chip_info);
void fch_final(void *chip_info);
void enable_aoac_devices(void);
void wait_for_aoac_enabled(unsigned int dev);
/* Allow the board to change the default I2C pad configuration */
void mainboard_i2c_override(int bus, uint32_t *pad_settings);
#endif /* AMD_PICASSO_SOUTHBRIDGE_H */
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