You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
2.3 KiB
102 lines
2.3 KiB
/* define spi-uart debug constrains */ |
|
/* code for MRST early printk */ |
|
#ifndef _SPI_UART |
|
#define _SPI_UART |
|
|
|
#include "types.h" |
|
|
|
#define MRST_REGBASE_SPI0 0xff128000 |
|
#define MRST_REGBASE_SPI1 0xff128400 |
|
#define MRST_REGBASE_SPI2 0xff128800 |
|
|
|
#define CTP_REGBASE_SPI0 0xff128000 |
|
#define CTP_REGBASE_SPI1 0xff135000 |
|
#define CTP_REGBASE_SPI2 0xff136000 |
|
|
|
/* HW info for MRST CLk Control Unit, one 32b reg */ |
|
#define MRST_SPI_CLK_BASE 100000000 /* 100m */ |
|
#define MRST_CLK_SPI0_REG 0xff11d86c |
|
#define CLK_SPI_BDIV_OFFSET 0 |
|
#define CLK_SPI_BDIV_MASK 0x00000007 |
|
#define CLK_SPI_CDIV_OFFSET 9 |
|
#define CLK_SPI_CDIV_MASK 0x00000e00 |
|
#define CLK_SPI_CDIV_100M 0x0 |
|
#define CLK_SPI_CDIV_50M 0x1 |
|
#define CLK_SPI_CDIV_33M 0x2 |
|
#define CLK_SPI_CDIV_25M 0x3 |
|
#define CLK_SPI_DISABLE_OFFSET 8 |
|
|
|
struct mrst_spi_reg { |
|
vu32 ctrlr0; /* control reg 0 */ |
|
vu32 ctrlr1; /* control reg 1 */ |
|
vu32 ssienr; /* SSI enable reg */ |
|
vu32 mwcr; /* Microwire control reg */ |
|
|
|
vu32 ser; /* slave enable reg */ |
|
vu32 baudr; |
|
vu32 txftlr; |
|
vu32 rxftlr; |
|
|
|
vu32 txflr; |
|
vu32 rxflr; |
|
vu32 sr; |
|
vu32 imr; |
|
|
|
vu32 isr; |
|
vu32 risr; |
|
vu32 txoicr; |
|
vu32 rxoicr; |
|
|
|
vu32 rxuicr; |
|
vu32 msticr; |
|
vu32 icr; |
|
vu32 dmacr; |
|
|
|
vu32 dmatdlr; |
|
vu32 dmardlr; |
|
vu32 idr; |
|
vu32 ssi_comp_version; |
|
|
|
vu32 dr[16]; /* 16 bits access for each 32bit space */ |
|
}; |
|
|
|
/* bit fields in CTRLR0 */ |
|
#define SPI_DFS_OFFSET 0 |
|
#define SPI_FRF_OFFSET 4 |
|
#define FRF_SPI 0x0 |
|
#define FRF_SSP 0x1 |
|
#define FRF_MICROWIRE 0x2 |
|
#define FRF_RESV 0x3 |
|
#define SPI_SCPH_OFFSET 6 |
|
#define SPI_SCOL_OFFSET 7 |
|
#define SPI_TMOD_OFFSET 8 |
|
#define TMOD_TR 0x0 /* xmit & recv */ |
|
#define TMOD_TO 0x1 /* xmit only */ |
|
#define TMOD_RO 0x2 /* recv only */ |
|
#define TMOD_EPROMREAD 0x3 /* eeprom read mode */ |
|
|
|
#define SPI_SLVOE_OFFSET 10 |
|
#define SPI_SRL_OFFSET 11 |
|
#define SPI_CFS_OFFSET 12 |
|
|
|
/* bit fields in SR, 7 bits */ |
|
#define SR_MASK 0x7f /* cover 7 bits */ |
|
#define SR_BUSY (1 << 0) |
|
#define SR_TF_NOT_FULL (1 << 1) |
|
#define SR_TF_EMPT (1 << 2) |
|
#define SR_RF_NOT_EMPT (1 << 3) |
|
#define SR_RF_FULL (1 << 4) |
|
#define SR_TX_ERR (1 << 5) |
|
#define SR_DCOL (1 << 6) |
|
|
|
/* bit fields in ISR, IMR, RISR, 7 bits */ |
|
#define SPI_INT_TXEI (1 << 0) |
|
#define SPI_INT_TXOI (1 << 1) |
|
#define SPI_INT_RXUI (1 << 2) |
|
#define SPI_INT_RXOI (1 << 3) |
|
#define SPI_INT_RXFI (1 << 4) |
|
#define SPI_INT_MSTI (1 << 5) |
|
|
|
extern void bs_spi_printk(const char *str); |
|
|
|
#endif
|
|
|