| /* |
| * Broadcom PCI-SPI Host Controller Register Definitions |
| * |
| * Copyright (C) 2020, Broadcom. |
| * |
| * Unless you and Broadcom execute a separate written software license |
| * agreement governing use of this software, this software is licensed to you |
| * under the terms of the GNU General Public License version 2 (the "GPL"), |
| * available at http://www.broadcom.com/licenses/GPLv2.php, with the |
| * following added to such license: |
| * |
| * As a special exception, the copyright holders of this software give you |
| * permission to link this software with independent modules, and to copy and |
| * distribute the resulting executable under terms of your choice, provided that |
| * you also meet, for each linked independent module, the terms and conditions of |
| * the license of that module. An independent module is a module which is not |
| * derived from this software. The special exception does not apply to any |
| * modifications of the software. |
| * |
| * |
| * <<Broadcom-WL-IPTag/Dual:>> |
| */ |
| #ifndef _BCM_PCI_SPI_H |
| #define _BCM_PCI_SPI_H |
| |
| /* cpp contortions to concatenate w/arg prescan */ |
| #ifndef PAD |
| #define _PADLINE(line) pad ## line |
| #define _XSTR(line) _PADLINE(line) |
| #define PAD _XSTR(__LINE__) |
| #endif /* PAD */ |
| |
| /* |
| +---------------------------------------------------------------------------+ |
| | | |
| | 7 6 5 4 3 2 1 0 | |
| | 0x0000 SPI_CTRL SPIE SPE 0 MSTR CPOL CPHA SPR1 SPR0 | |
| | 0x0004 SPI_STAT SPIF WCOL ST1 ST0 WFFUL WFEMP RFFUL RFEMP | |
| | 0x0008 SPI_DATA Bits 31:0, data to send out on MOSI | |
| | 0x000C SPI_EXT ICNT1 ICNT0 BSWAP *HSMODE ESPR1 ESPR0 | |
| | 0x0020 GPIO_OE 0=input, 1=output PWR_OE CS_OE | |
| | 0x0024 GPIO_DATA CARD:1=missing, 0=present CARD PWR_DAT CS_DAT | |
| | 0x0040 INT_EDGE 0=level, 1=edge DEV_E SPI_E | |
| | 0x0044 INT_POL 1=active high, 0=active low DEV_P SPI_P | |
| | 0x0048 INTMASK DEV SPI | |
| | 0x004C INTSTATUS DEV SPI | |
| | 0x0060 HEXDISP Reset value: 0x14e443f5. In hexdisp mode, value | |
| | shows on the Raggedstone1 4-digit 7-segment display. | |
| | 0x0064 CURRENT_MA Low 16 bits indicate card current consumption in mA | |
| | 0x006C DISP_SEL Display mode (0=hexdisp, 1=current) DSP | |
| | 0x00C0 PLL_CTL bit31=ext_clk, remainder unused. | |
| | 0x00C4 PLL_STAT LOCK | |
| | 0x00C8 CLK_FREQ | |
| | 0x00CC CLK_CNT | |
| | | |
| | *Notes: HSMODE is not implemented, never set this bit! | |
| | BSWAP is available in rev >= 8 | |
| | | |
| +---------------------------------------------------------------------------+ |
| */ |
| |
| typedef volatile struct { |
| uint32 spih_ctrl; /* 0x00 SPI Control Register */ |
| uint32 spih_stat; /* 0x04 SPI Status Register */ |
| uint32 spih_data; /* 0x08 SPI Data Register, 32-bits wide */ |
| uint32 spih_ext; /* 0x0C SPI Extension Register */ |
| uint32 PAD[4]; /* 0x10-0x1F PADDING */ |
| |
| uint32 spih_gpio_ctrl; /* 0x20 SPI GPIO Control Register */ |
| uint32 spih_gpio_data; /* 0x24 SPI GPIO Data Register */ |
| uint32 PAD[6]; /* 0x28-0x3F PADDING */ |
| |
| uint32 spih_int_edge; /* 0x40 SPI Interrupt Edge Register (0=Level, 1=Edge) */ |
| uint32 spih_int_pol; /* 0x44 SPI Interrupt Polarity Register (0=Active Low, */ |
| /* 1=Active High) */ |
| uint32 spih_int_mask; /* 0x48 SPI Interrupt Mask */ |
| uint32 spih_int_status; /* 0x4C SPI Interrupt Status */ |
| uint32 PAD[4]; /* 0x50-0x5F PADDING */ |
| |
| uint32 spih_hex_disp; /* 0x60 SPI 4-digit hex display value */ |
| uint32 spih_current_ma; /* 0x64 SPI SD card current consumption in mA */ |
| uint32 PAD[1]; /* 0x68 PADDING */ |
| uint32 spih_disp_sel; /* 0x6c SPI 4-digit hex display mode select (1=current) */ |
| uint32 PAD[4]; /* 0x70-0x7F PADDING */ |
| uint32 PAD[8]; /* 0x80-0x9F PADDING */ |
| uint32 PAD[8]; /* 0xA0-0xBF PADDING */ |
| uint32 spih_pll_ctrl; /* 0xC0 PLL Control Register */ |
| uint32 spih_pll_status; /* 0xC4 PLL Status Register */ |
| uint32 spih_xtal_freq; /* 0xC8 External Clock Frequency in units of 10000Hz */ |
| uint32 spih_clk_count; /* 0xCC External Clock Count Register */ |
| |
| } spih_regs_t; |
| |
| typedef volatile struct { |
| uint32 cfg_space[0x40]; /* 0x000-0x0FF PCI Configuration Space (Read Only) */ |
| uint32 P_IMG_CTRL0; /* 0x100 PCI Image0 Control Register */ |
| |
| uint32 P_BA0; /* 0x104 32 R/W PCI Image0 Base Address register */ |
| uint32 P_AM0; /* 0x108 32 R/W PCI Image0 Address Mask register */ |
| uint32 P_TA0; /* 0x10C 32 R/W PCI Image0 Translation Address register */ |
| uint32 P_IMG_CTRL1; /* 0x110 32 R/W PCI Image1 Control register */ |
| uint32 P_BA1; /* 0x114 32 R/W PCI Image1 Base Address register */ |
| uint32 P_AM1; /* 0x118 32 R/W PCI Image1 Address Mask register */ |
| uint32 P_TA1; /* 0x11C 32 R/W PCI Image1 Translation Address register */ |
| uint32 P_IMG_CTRL2; /* 0x120 32 R/W PCI Image2 Control register */ |
| uint32 P_BA2; /* 0x124 32 R/W PCI Image2 Base Address register */ |
| uint32 P_AM2; /* 0x128 32 R/W PCI Image2 Address Mask register */ |
| uint32 P_TA2; /* 0x12C 32 R/W PCI Image2 Translation Address register */ |
| uint32 P_IMG_CTRL3; /* 0x130 32 R/W PCI Image3 Control register */ |
| uint32 P_BA3; /* 0x134 32 R/W PCI Image3 Base Address register */ |
| uint32 P_AM3; /* 0x138 32 R/W PCI Image3 Address Mask register */ |
| uint32 P_TA3; /* 0x13C 32 R/W PCI Image3 Translation Address register */ |
| uint32 P_IMG_CTRL4; /* 0x140 32 R/W PCI Image4 Control register */ |
| uint32 P_BA4; /* 0x144 32 R/W PCI Image4 Base Address register */ |
| uint32 P_AM4; /* 0x148 32 R/W PCI Image4 Address Mask register */ |
| uint32 P_TA4; /* 0x14C 32 R/W PCI Image4 Translation Address register */ |
| uint32 P_IMG_CTRL5; /* 0x150 32 R/W PCI Image5 Control register */ |
| uint32 P_BA5; /* 0x154 32 R/W PCI Image5 Base Address register */ |
| uint32 P_AM5; /* 0x158 32 R/W PCI Image5 Address Mask register */ |
| uint32 P_TA5; /* 0x15C 32 R/W PCI Image5 Translation Address register */ |
| uint32 P_ERR_CS; /* 0x160 32 R/W PCI Error Control and Status register */ |
| uint32 P_ERR_ADDR; /* 0x164 32 R PCI Erroneous Address register */ |
| uint32 P_ERR_DATA; /* 0x168 32 R PCI Erroneous Data register */ |
| |
| uint32 PAD[5]; /* 0x16C-0x17F PADDING */ |
| |
| uint32 WB_CONF_SPC_BAR; /* 0x180 32 R WISHBONE Configuration Space Base Address */ |
| uint32 W_IMG_CTRL1; /* 0x184 32 R/W WISHBONE Image1 Control register */ |
| uint32 W_BA1; /* 0x188 32 R/W WISHBONE Image1 Base Address register */ |
| uint32 W_AM1; /* 0x18C 32 R/W WISHBONE Image1 Address Mask register */ |
| uint32 W_TA1; /* 0x190 32 R/W WISHBONE Image1 Translation Address reg */ |
| uint32 W_IMG_CTRL2; /* 0x194 32 R/W WISHBONE Image2 Control register */ |
| uint32 W_BA2; /* 0x198 32 R/W WISHBONE Image2 Base Address register */ |
| uint32 W_AM2; /* 0x19C 32 R/W WISHBONE Image2 Address Mask register */ |
| uint32 W_TA2; /* 0x1A0 32 R/W WISHBONE Image2 Translation Address reg */ |
| uint32 W_IMG_CTRL3; /* 0x1A4 32 R/W WISHBONE Image3 Control register */ |
| uint32 W_BA3; /* 0x1A8 32 R/W WISHBONE Image3 Base Address register */ |
| uint32 W_AM3; /* 0x1AC 32 R/W WISHBONE Image3 Address Mask register */ |
| uint32 W_TA3; /* 0x1B0 32 R/W WISHBONE Image3 Translation Address reg */ |
| uint32 W_IMG_CTRL4; /* 0x1B4 32 R/W WISHBONE Image4 Control register */ |
| uint32 W_BA4; /* 0x1B8 32 R/W WISHBONE Image4 Base Address register */ |
| uint32 W_AM4; /* 0x1BC 32 R/W WISHBONE Image4 Address Mask register */ |
| uint32 W_TA4; /* 0x1C0 32 R/W WISHBONE Image4 Translation Address reg */ |
| uint32 W_IMG_CTRL5; /* 0x1C4 32 R/W WISHBONE Image5 Control register */ |
| uint32 W_BA5; /* 0x1C8 32 R/W WISHBONE Image5 Base Address register */ |
| uint32 W_AM5; /* 0x1CC 32 R/W WISHBONE Image5 Address Mask register */ |
| uint32 W_TA5; /* 0x1D0 32 R/W WISHBONE Image5 Translation Address reg */ |
| uint32 W_ERR_CS; /* 0x1D4 32 R/W WISHBONE Error Control and Status reg */ |
| uint32 W_ERR_ADDR; /* 0x1D8 32 R WISHBONE Erroneous Address register */ |
| uint32 W_ERR_DATA; /* 0x1DC 32 R WISHBONE Erroneous Data register */ |
| uint32 CNF_ADDR; /* 0x1E0 32 R/W Configuration Cycle register */ |
| uint32 CNF_DATA; /* 0x1E4 32 R/W Configuration Cycle Generation Data reg */ |
| |
| uint32 INT_ACK; /* 0x1E8 32 R Interrupt Acknowledge register */ |
| uint32 ICR; /* 0x1EC 32 R/W Interrupt Control register */ |
| uint32 ISR; /* 0x1F0 32 R/W Interrupt Status register */ |
| } spih_pciregs_t; |
| |
| /* |
| * PCI Core interrupt enable and status bit definitions. |
| */ |
| |
| /* PCI Core ICR Register bit definitions */ |
| #define PCI_INT_PROP_EN (1 << 0) /* Interrupt Propagation Enable */ |
| #define PCI_WB_ERR_INT_EN (1 << 1) /* Wishbone Error Interrupt Enable */ |
| #define PCI_PCI_ERR_INT_EN (1 << 2) /* PCI Error Interrupt Enable */ |
| #define PCI_PAR_ERR_INT_EN (1 << 3) /* Parity Error Interrupt Enable */ |
| #define PCI_SYS_ERR_INT_EN (1 << 4) /* System Error Interrupt Enable */ |
| #define PCI_SOFTWARE_RESET (1U << 31) /* Software reset of the PCI Core. */ |
| |
| /* PCI Core ISR Register bit definitions */ |
| #define PCI_INT_PROP_ST (1 << 0) /* Interrupt Propagation Status */ |
| #define PCI_WB_ERR_INT_ST (1 << 1) /* Wishbone Error Interrupt Status */ |
| #define PCI_PCI_ERR_INT_ST (1 << 2) /* PCI Error Interrupt Status */ |
| #define PCI_PAR_ERR_INT_ST (1 << 3) /* Parity Error Interrupt Status */ |
| #define PCI_SYS_ERR_INT_ST (1 << 4) /* System Error Interrupt Status */ |
| |
| /* Registers on the Wishbone bus */ |
| #define SPIH_CTLR_INTR (1 << 0) /* SPI Host Controller Core Interrupt */ |
| #define SPIH_DEV_INTR (1 << 1) /* SPI Device Interrupt */ |
| #define SPIH_WFIFO_INTR (1 << 2) /* SPI Tx FIFO Empty Intr (FPGA Rev >= 8) */ |
| |
| /* GPIO Bit definitions */ |
| #define SPIH_CS (1 << 0) /* SPI Chip Select (active low) */ |
| #define SPIH_SLOT_POWER (1 << 1) /* SD Card Slot Power Enable */ |
| #define SPIH_CARD_DETECT (1 << 2) /* SD Card Detect */ |
| |
| /* SPI Status Register Bit definitions */ |
| #define SPIH_STATE_MASK 0x30 /* SPI Transfer State Machine state mask */ |
| #define SPIH_STATE_SHIFT 4 /* SPI Transfer State Machine state shift */ |
| #define SPIH_WFFULL (1 << 3) /* SPI Write FIFO Full */ |
| #define SPIH_WFEMPTY (1 << 2) /* SPI Write FIFO Empty */ |
| #define SPIH_RFFULL (1 << 1) /* SPI Read FIFO Full */ |
| #define SPIH_RFEMPTY (1 << 0) /* SPI Read FIFO Empty */ |
| |
| #define SPIH_EXT_CLK (1U << 31) /* Use External Clock as PLL Clock source. */ |
| |
| #define SPIH_PLL_NO_CLK (1 << 1) /* Set to 1 if the PLL's input clock is lost. */ |
| #define SPIH_PLL_LOCKED (1 << 3) /* Set to 1 when the PLL is locked. */ |
| |
| /* Spin bit loop bound check */ |
| #define SPI_SPIN_BOUND 0xf4240 /* 1 million */ |
| |
| #endif /* _BCM_PCI_SPI_H */ |
