| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2010-2017 Advanced Micro Devices, Inc. |
| * Copyright (C) 2014 Sage Electronic Engineering, LLC |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef __PICASSO_SB_H__ |
| #define __PICASSO_SB_H__ |
| |
| #include <types.h> |
| #include <device/device.h> |
| #include <device/pci_def.h> |
| #include <soc/iomap.h> |
| #include "chip.h" |
| |
| /* |
| * AcpiMmio Region |
| * - fixed addresses offset from 0xfed80000 |
| */ |
| |
| /* SMBus controller registers: 0xfed80000 or D14F0 */ |
| #define SMB_UART_CONFIG 0xfc |
| #define SMB_UART3_1_8M BIT(31) /* defaults are 0 = 48MHz */ |
| #define SMB_UART2_1_8M BIT(30) |
| #define SMB_UART1_1_8M BIT(29) |
| #define SMB_UART0_1_8M BIT(28) |
| #define SMB_UART_1_8M_SHIFT 28 |
| |
| /* Power management registers: 0xfed80300 or index/data at IO 0xcd6/cd7 */ |
| #define PM_DECODE_EN 0x00 |
| #define SMBUS_ASF_IO_EN BIT(4) |
| #define CF9_IO_EN BIT(1) |
| #define LEGACY_IO_EN BIT(0) |
| #define SMB_ASF_IO_BASE 0x01 /* part of PM_DECODE_EN in PPR */ |
| #define PM_ISA_CONTROL 0x04 |
| #define MMIO_EN BIT(1) |
| #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_RTC_SHADOW 0x5b /* state when power resumes */ |
| #define PM_S5_AT_POWER_RECOVERY 0x04 /* S5 */ |
| #define PM_RESTORE_S0_IF_PREV_S0 0x07 /* S0 if previously at S0 */ |
| |
| #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_RST_CTRL1 0xbe |
| #define SLPTYPE_CONTROL_EN BIT(5) |
| #define PM_RST_STATUS 0xc0 |
| #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 PM_USB_ENABLE 0xef |
| #define PM_USB_ALL_CONTROLLERS 0x7f |
| |
| /* SMBUS MMIO offsets 0xfed80a00 */ |
| #define SMBHSTSTAT 0x0 |
| #define SMBHST_STAT_FAILED BIT(4) |
| #define SMBHST_STAT_COLLISION BIT(3) |
| #define SMBHST_STAT_ERROR BIT(2) |
| #define SMBHST_STAT_INTERRUPT BIT(1) |
| #define SMBHST_STAT_BUSY BIT(0) |
| #define SMBHST_STAT_CLEAR 0xff |
| #define SMBHST_STAT_NOERROR BIT(1) |
| #define SMBHST_STAT_VAL_BITS 0x1f |
| #define SMBHST_STAT_ERROR_BITS 0x1c |
| |
| #define SMBSLVSTAT 0x1 |
| #define SMBSLV_STAT_ALERT 0x20 |
| #define SMBSLV_STAT_SHADOW2 0x10 |
| #define SMBSLV_STAT_SHADOW1 0x08 |
| #define SMBSLV_STAT_SLV_STS 0x04 |
| #define SMBSLV_STAT_SLV_INIT 0x02 |
| #define SMBSLV_STAT_SLV_BUSY 0x01 |
| #define SMBSLV_STAT_CLEAR 0x1f |
| |
| #define SMBHSTCTRL 0x2 |
| #define SMBHST_CTRL_RST 0x80 |
| #define SMBHST_CTRL_STRT 0x40 |
| #define SMBHST_CTRL_QCK_RW 0x00 |
| #define SMBHST_CTRL_BTE_RW 0x04 |
| #define SMBHST_CTRL_BDT_RW 0x08 |
| #define SMBHST_CTRL_WDT_RW 0x0c |
| #define SMBHST_CTRL_BLK_RW 0x14 |
| #define SMBHST_CTRL_MODE_BITS 0x1c |
| #define SMBHST_CTRL_KILL 0x02 |
| #define SMBHST_CTRL_IEN 0x01 |
| |
| #define SMBHSTCMD 0x3 |
| #define SMBHSTADDR 0x4 |
| #define SMBHSTDAT0 0x5 |
| #define SMBHSTDAT1 0x6 |
| #define SMBHSTBLKDAT 0x7 |
| #define SMBSLVCTRL 0x8 |
| #define SMBSLVCMD_SHADOW 0x9 |
| #define SMBSLVEVT 0xa |
| #define SMBSLVDAT 0xc |
| #define SMBTIMING 0xe |
| |
| /* FCH MISC Registers 0xfed80e00 */ |
| #define GPP_CLK_CNTRL 0x00 |
| #define GPP_CLK0_REQ_SHL 0 |
| #define GPP_CLK1_REQ_SHL 2 |
| #define GFX_CLK0_REQ_SHL 4 |
| #define GPP_CLK2_REQ_SHL 6 |
| #define GPP_CLK3_REQ_SHL 8 |
| #define GFX_CLK1_REQ_SHL 10 |
| #define GPP_CLK_REQ_MAP_MASK0 (3 << GPP_CLK0_REQ_SHL) |
| #define GPP_CLK_REQ_MAP_CLK0 (1 << GPP_CLK0_REQ_SHL) |
| #define GPP_CLK_REQ_MAP_MASK1 (3 << GPP_CLK1_REQ_SHL) |
| #define GPP_CLK_REQ_MAP_CLK1 (1 << GPP_CLK1_REQ_SHL) |
| #define GFX_CLK_REQ_MAP_MASK0 (3 << GFX_CLK0_REQ_SHL) |
| #define GFX_CLK_REQ_MAP_CLK0 (1 << GFX_CLK0_REQ_SHL) |
| #define GPP_CLK_REQ_MAP_MASK2 (3 << GPP_CLK2_REQ_SHL) |
| #define GPP_CLK_REQ_MAP_CLK2 (1 << GPP_CLK2_REQ_SHL) |
| #define GPP_CLK_REQ_MAP_MASK3 (3 << GPP_CLK3_REQ_SHL) |
| #define GPP_CLK_REQ_MAP_CLK3 (1 << GPP_CLK3_REQ_SHL) |
| #define GFX_CLK_REQ_MAP_MASK1 (3 << GPP_CLK1_REQ_SHL) |
| #define GFX_CLK_REQ_MAP_CLK1 (1 << GPP_CLK1_REQ_SHL) |
| #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 OSCOUT1_CLK_OUTPUT_ENB BIT(2) /* 0 = Enabled, 1 = Disabled */ |
| #define OSCOUT2_CLK_OUTPUT_ENB BIT(7) /* 0 = Enabled, 1 = Disabled */ |
| #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) |
| |
| /* FCH AOAC Registers 0xfed81e00 */ |
| #define AOAC_DEV_D3_CTL(device) (0x40 + device * 2) |
| #define AOAC_DEV_D3_STATE(device) (AOAC_DEV_D3_CTL(device) + 1) |
| |
| #define FCH_AOAC_DEV_CLK_GEN 0 |
| #define FCH_AOAC_DEV_I2C2 7 |
| #define FCH_AOAC_DEV_I2C3 8 |
| #define FCH_AOAC_DEV_I2C4 9 |
| #define FCH_AOAC_DEV_UART0 11 |
| #define FCH_AOAC_DEV_UART1 12 |
| #define FCH_AOAC_DEV_UART2 16 |
| #define FCH_AOAC_DEV_AMBA 17 |
| #define FCH_AOAC_DEV_SD1 25 |
| #define FCH_AOAC_DEV_UART3 26 |
| #define FCH_AOAC_DEV_ESPI 27 |
| |
| /* Bit definitions for Device D3 Control AOACx0000[40...7E] step 2 */ |
| #define FCH_AOAC_TARGET_DEVICE_STATE (BIT(0) + BIT(1)) |
| #define FCH_AOAC_DEVICE_STATE BIT(2) |
| #define FCH_AOAC_PWR_ON_DEV BIT(3) |
| #define FCH_AOAC_SW_PWR_ON_RSTB BIT(4) |
| #define FCH_AOAC_SW_REF_CLK_OK BIT(5) |
| #define FCH_AOAC_SW_RST_B BIT(6) |
| #define FCH_AOAC_IS_SW_CONTROL BIT(7) |
| |
| /* Bit definitions for Device D3 State AOACx0000[41...7f] step 2 */ |
| #define FCH_AOAC_PWR_RST_STATE BIT(0) |
| #define FCH_AOAC_RST_CLK_OK_STATE BIT(1) |
| #define FCH_AOAC_RST_B_STATE BIT(2) |
| #define FCH_AOAC_DEV_OFF_GATING_STATE BIT(3) |
| #define FCH_AOAC_D3COLD BIT(4) |
| #define FCH_AOAC_CLK_OK_STATE BIT(5) |
| #define FCH_AOAC_STAT0 BIT(6) |
| #define FCH_AOAC_STAT1 BIT(7) |
| |
| #define FCH_LEGACY_UART_DECODE 0xfedc0020 |
| #define FCH_LEGACY_UART_WHICH_SHIFT 8 |
| |
| #define PM1_LIMIT 16 |
| #define GPE0_LIMIT 28 |
| #define TOTAL_BITS(a) (8 * sizeof(a)) |
| |
| /* 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) |
| |
| #define SPI_CNTRL0 0x00 |
| #define SPI_BUSY BIT(31) |
| #define SPI_READ_MODE_MASK (BIT(30) | BIT(29) | BIT(18)) |
| /* Nominal is 16.7MHz on older devices, 33MHz on newer */ |
| #define SPI_READ_MODE_NOM 0x00000000 |
| #define SPI_READ_MODE_DUAL112 ( BIT(29) ) |
| #define SPI_READ_MODE_QUAD114 ( BIT(29) | BIT(18)) |
| #define SPI_READ_MODE_DUAL122 (BIT(30) ) |
| #define SPI_READ_MODE_QUAD144 (BIT(30) | BIT(18)) |
| #define SPI_READ_MODE_NORMAL66 (BIT(30) | BIT(29) ) |
| #define SPI_READ_MODE_FAST (BIT(30) | BIT(29) | BIT(18)) |
| #define SPI_FIFO_PTR_CLR BIT(20) |
| #define SPI_ARB_ENABLE BIT(19) |
| #define EXEC_OPCODE BIT(16) |
| #define SPI_CNTRL1 0x0c |
| #define SPI_CMD_CODE 0x45 |
| #define SPI_CMD_TRIGGER 0x47 |
| #define SPI_CMD_TRIGGER_EXECUTE BIT(7) |
| #define SPI_TX_BYTE_COUNT 0x48 |
| #define SPI_RX_BYTE_COUNT 0x4b |
| #define SPI_STATUS 0x4c |
| #define SPI_DONE_BYTE_COUNT_SHIFT 0 |
| #define SPI_DONE_BYTE_COUNT_MASK 0xff |
| #define SPI_FIFO_WR_PTR_SHIFT 8 |
| #define SPI_FIFO_WR_PTR_MASK 0x7f |
| #define SPI_FIFO_RD_PTR_SHIFT 16 |
| #define SPI_FIFO_RD_PTR_MASK 0x7f |
| #define SPI_FIFO 0x80 |
| #define SPI_FIFO_DEPTH (0xc7 - SPI_FIFO) |
| |
| #define SPI100_ENABLE 0x20 |
| #define SPI_USE_SPI100 BIT(0) |
| |
| /* Use SPI_SPEED_16M-SPI_SPEED_66M below for the southbridge */ |
| #define SPI100_SPEED_CONFIG 0x22 |
| #define SPI_SPEED_66M (0x0) |
| #define SPI_SPEED_33M ( BIT(0)) |
| #define SPI_SPEED_22M ( BIT(1) ) |
| #define SPI_SPEED_16M ( BIT(1) | BIT(0)) |
| #define SPI_SPEED_100M (BIT(2) ) |
| #define SPI_SPEED_800K (BIT(2) | BIT(0)) |
| #define SPI_NORM_SPEED_NEW_SH 12 |
| #define SPI_FAST_SPEED_NEW_SH 8 |
| #define SPI_ALT_SPEED_NEW_SH 4 |
| #define SPI_TPM_SPEED_NEW_SH 0 |
| |
| #define SPI100_HOST_PREF_CONFIG 0x2c |
| #define SPI_RD4DW_EN_HOST BIT(15) |
| |
| /* IO 0xcf9 - Reset control port*/ |
| #define FULL_RST BIT(3) |
| #define RST_CMD BIT(2) |
| #define SYS_RST BIT(1) |
| |
| /* IO 0xf0 NCP Error */ |
| #define NCP_WARM_BOOT BIT(7) /* Write-once */ |
| |
| /* ACP registers */ |
| #define ACP_I2S_PIN_CONFIG 0x1400 |
| #define ACP_I2S_WAKE_EN 0x1414 |
| #define ACP_PME_EN 0x1418 |
| |
| typedef struct aoac_devs { |
| unsigned int :7; |
| unsigned int ic2e:1; /* 7: I2C2 */ |
| unsigned int ic3e:1; /* 8: I2C3 */ |
| unsigned int ic4e:1; /* 9: I2C4 */ |
| unsigned int :1; |
| unsigned int ut0e:1; /* 11: UART0 */ |
| unsigned int ut1e:1; /* 12: UART1 */ |
| unsigned int :3; |
| unsigned int ut2e:1; /* 16: UART2 */ |
| unsigned int :9; |
| unsigned int ut3e:1; /* 26: UART3 */ |
| unsigned int espi:1; /* 27: ESPI */ |
| unsigned int :4; |
| } __packed aoac_devs_t; |
| |
| struct soc_power_reg { |
| uint16_t pm1_sts; |
| uint16_t pm1_en; |
| uint32_t gpe0_sts; |
| uint32_t gpe0_en; |
| uint16_t wake_from; |
| }; |
| |
| void enable_aoac_devices(void); |
| void sb_clk_output_48Mhz(void); |
| void sb_disable_4dw_burst(void); |
| void sb_enable(struct device *dev); |
| void southbridge_final(void *chip_info); |
| void southbridge_init(void *chip_info); |
| void sb_read_mode(u32 mode); |
| void sb_set_spi100(u16 norm, u16 fast, u16 alt, u16 tpm); |
| void fch_pre_init(void); |
| void fch_early_init(void); |
| void set_uart_config(int idx); |
| void set_uart_legacy_config(int uart_idx, int range_idx); |
| const struct soc_amd_picasso_config *get_soc_config(void); |
| |
| /* Initialize all the i2c buses that are marked with early init. */ |
| void i2c_soc_early_init(void); |
| |
| /* Initialize all the i2c buses that are not marked with early init. */ |
| void i2c_soc_init(void); |
| |
| /* Allow the board to change the default I2C pad configuration */ |
| void mainboard_i2c_override(int bus, uint32_t *pad_settings); |
| |
| #endif /* __PICASSO_SB_H__ */ |