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Ultibo API
C/C++ API for Ultibo Core
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Ultibo API
C/C++ API for Ultibo Core
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Go to the source code of this file.
Data Structures | |
| struct | _BCMSDHOST_MAILBOX_TAG_SET_SDHOST_CLOCK |
| struct | _BCMSDHOST_HOST |
Typedefs | |
| typedef struct _BCMSDHOST_MAILBOX_TAG_SET_SDHOST_CLOCK | BCMSDHOST_MAILBOX_TAG_SET_SDHOST_CLOCK |
| typedef struct _BCMSDHOST_HOST | BCMSDHOST_HOST |
Functions | |
| void STDCALL | bcmsdhost_init (void) |
| SDHCI_HOST *STDCALL | bcmsdhost_create (size_t address, char *name, uint32_t irq, uint32_t dreq, uint32_t clockminimum, uint32_t clockmaximum, uint32_t gpiofirst, uint32_t gpiolast, uint32_t gpiofunction, BOOL enablefiq) |
| Create and register a new BCMSDHOST SDHCI device which can be accessed using the SDHCI API. | |
| uint32_t STDCALL | bcmsdhost_destroy (SDHCI_HOST *sdhci) |
| Stop, deregister and destroy a BCMSDHOST SDHCI device created by this driver. | |
| #define BCMSDHOST_DESCRIPTION "Broadcom BCM27XX SDHOST" |
Description of BCMSDHOST device.
BCMSDHOST specific constants
| #define BCMSDHOST_FIFO_READ_THRESHOLD 4 |
| #define BCMSDHOST_FIFO_WRITE_THRESHOLD 4 |
| #define BCMSDHOST_ALLOW_CMD23_READ 1 |
| #define BCMSDHOST_ALLOW_CMD23_WRITE 0 |
| #define BCMSDHOST_SDDATA_FIFO_PIO_BURST 8 |
| #define BCMSDHOST_CMD_DALLY_US 1 |
| #define BCMSDHOST_SDCMD 0x00 |
Command to SD card - 16 R/W.
BCMSDHOST register constants
| #define BCMSDHOST_SDARG 0x04 |
Argument to SD card - 32 R/W.
| #define BCMSDHOST_SDTOUT 0x08 |
Start value for timeout counter - 32 R/W.
| #define BCMSDHOST_SDCDIV 0x0c |
Start value for clock divider - 11 R/W.
| #define BCMSDHOST_SDRSP0 0x10 |
SD card response (31:0) - 32 R.
| #define BCMSDHOST_SDRSP1 0x14 |
SD card response (63:32) - 32 R.
| #define BCMSDHOST_SDRSP2 0x18 |
SD card response (95:64) - 32 R.
| #define BCMSDHOST_SDRSP3 0x1c |
SD card response (127:96) - 32 R.
| #define BCMSDHOST_SDHSTS 0x20 |
SD host status - 11 R.
| #define BCMSDHOST_SDVDD 0x30 |
SD card power control - 1 R/W.
| #define BCMSDHOST_SDEDM 0x34 |
Emergency Debug Mode - 13 R/W.
| #define BCMSDHOST_SDHCFG 0x38 |
Host configuration - 2 R/W.
| #define BCMSDHOST_SDHBCT 0x3c |
Host byte count (debug) - 32 R/W.
| #define BCMSDHOST_SDDATA 0x40 |
Data to/from SD card - 32 R/W.
| #define BCMSDHOST_SDHBLC 0x50 |
Host block count (SDIO/SDHC) - 9 R/W.
| #define BCMSDHOST_SDCMD_NEW_FLAG 0x8000 |
BCMSDHOST command register constants
| #define BCMSDHOST_SDCMD_FAIL_FLAG 0x4000 |
| #define BCMSDHOST_SDCMD_BUSYWAIT 0x800 |
| #define BCMSDHOST_SDCMD_NO_RESPONSE 0x400 |
| #define BCMSDHOST_SDCMD_LONG_RESPONSE 0x200 |
| #define BCMSDHOST_SDCMD_WRITE_CMD 0x80 |
| #define BCMSDHOST_SDCMD_READ_CMD 0x40 |
| #define BCMSDHOST_SDCMD_CMD_MASK 0x3f |
| #define BCMSDHOST_SDCDIV_MAX_CDIV 0x7ff |
BCMSDHOST clock divider register constants
| #define BCMSDHOST_SDHSTS_BUSY_IRPT 0x400 |
BCMSDHOST host status register constants
| #define BCMSDHOST_SDHSTS_BLOCK_IRPT 0x200 |
| #define BCMSDHOST_SDHSTS_SDIO_IRPT 0x100 |
| #define BCMSDHOST_SDHSTS_REW_TIME_OUT 0x80 |
| #define BCMSDHOST_SDHSTS_CMD_TIME_OUT 0x40 |
| #define BCMSDHOST_SDHSTS_CRC16_ERROR 0x20 |
| #define BCMSDHOST_SDHSTS_CRC7_ERROR 0x10 |
| #define BCMSDHOST_SDHSTS_FIFO_ERROR 0x08 |
| #define BCMSDHOST_SDHSTS_DATA_FLAG 0x01 |
04 Reserved 02 Reserved
| #define BCMSDHOST_SDHSTS_TRANSFER_ERROR_MASK BCMSDHOST_SDHSTS_CRC7_ERROR | BCMSDHOST_SDHSTS_CRC16_ERROR | BCMSDHOST_SDHSTS_REW_TIME_OUT | BCMSDHOST_SDHSTS_FIFO_ERROR |
| #define BCMSDHOST_SDHSTS_ERROR_MASK BCMSDHOST_SDHSTS_CMD_TIME_OUT | BCMSDHOST_SDHSTS_TRANSFER_ERROR_MASK |
| #define BCMSDHOST_SDHCFG_BUSY_IRPT_EN (1 << 10) |
BCMSDHOST host configuration register constants
| #define BCMSDHOST_SDHCFG_BLOCK_IRPT_EN (1 << 8) |
| #define BCMSDHOST_SDHCFG_SDIO_IRPT_EN (1 << 5) |
| #define BCMSDHOST_SDHCFG_DATA_IRPT_EN (1 << 4) |
| #define BCMSDHOST_SDHCFG_SLOW_CARD (1 << 3) |
| #define BCMSDHOST_SDHCFG_WIDE_EXT_BUS (1 << 2) |
| #define BCMSDHOST_SDHCFG_WIDE_INT_BUS (1 << 1) |
| #define BCMSDHOST_SDHCFG_REL_CMD_LINE (1 << 0) |
| #define BCMSDHOST_SDEDM_FORCE_DATA_MODE (1 << 19) |
BCMSDHOST emergency debug mode register constants
| #define BCMSDHOST_SDEDM_CLOCK_PULSE (1 << 20) |
| #define BCMSDHOST_SDEDM_BYPASS (1 << 21) |
| #define BCMSDHOST_SDEDM_WRITE_THRESHOLD_SHIFT 9 |
| #define BCMSDHOST_SDEDM_READ_THRESHOLD_SHIFT 14 |
| #define BCMSDHOST_SDEDM_THRESHOLD_MASK 0x1f |
| #define BCMSDHOST_SDEDM_FSM_MASK 0xf |
| #define BCMSDHOST_SDEDM_FSM_IDENTMODE 0x0 |
| #define BCMSDHOST_SDEDM_FSM_DATAMODE 0x1 |
| #define BCMSDHOST_SDEDM_FSM_READDATA 0x2 |
| #define BCMSDHOST_SDEDM_FSM_WRITEDATA 0x3 |
| #define BCMSDHOST_SDEDM_FSM_READWAIT 0x4 |
| #define BCMSDHOST_SDEDM_FSM_READCRC 0x5 |
| #define BCMSDHOST_SDEDM_FSM_WRITECRC 0x6 |
| #define BCMSDHOST_SDEDM_FSM_WRITEWAIT1 0x7 |
| #define BCMSDHOST_SDEDM_FSM_POWERDOWN 0x8 |
| #define BCMSDHOST_SDEDM_FSM_POWERUP 0x9 |
| #define BCMSDHOST_SDEDM_FSM_WRITESTART1 0xa |
| #define BCMSDHOST_SDEDM_FSM_WRITESTART2 0xb |
| #define BCMSDHOST_SDEDM_FSM_GENPULSES 0xc |
| #define BCMSDHOST_SDEDM_FSM_WRITEWAIT2 0xd |
| #define BCMSDHOST_SDEDM_FSM_STARTPOWDOWN 0xf |
| #define BCMSDHOST_SDDATA_FIFO_WORDS 16 |
| #define BCMSDHOST_USE_CMD23_FLAGS (BCMSDHOST_ALLOW_CMD23_READ * MMC_DATA_READ) | (BCMSDHOST_ALLOW_CMD23_WRITE * MMC_DATA_WRITE) |
| #define BCMSDHOST_MBOX_TAG_SET_SDHOST_CLOCK 0x00038042 |
Tell the firmware the SD Host clock setting so it will be adjusted for changes in core frequency.
Mailbox constants
BCMSDHOST specific types Mailbox tag request for BCMSDHOST_MBOX_TAG_SET_SDHOST_CLOCK
| typedef struct _BCMSDHOST_HOST BCMSDHOST_HOST |
| void STDCALL bcmsdhost_init | ( | void | ) |
Initialization Functions
| SDHCI_HOST *STDCALL bcmsdhost_create | ( | size_t | address, |
| char * | name, | ||
| uint32_t | irq, | ||
| uint32_t | dreq, | ||
| uint32_t | clockminimum, | ||
| uint32_t | clockmaximum, | ||
| uint32_t | gpiofirst, | ||
| uint32_t | gpiolast, | ||
| uint32_t | gpiofunction, | ||
| BOOL | enablefiq ) |
Create and register a new BCMSDHOST SDHCI device which can be accessed using the SDHCI API.
BCMSDHOST Functions
| Address | The address of the BCMSDHOST registers |
| Name | The text description of this device which will show in the device list (Optional) |
| IRQ | The interrupt number for the BCMSDHOST |
| DREQ | The DMA data request ID for the BCMSDHOST |
| ClockMinimum | The minimum frequency for the BCMSDHOST clock |
| ClockMaximum | The maximum frequency for the BCMSDHOST clock |
| GPIOFirst | The starting pin number for GPIO assignments (or GPIO_PIN_UNKNOWN if externally configured) |
| GPIOLast | The ending pin number for GPIO assignments (or GPIO_PIN_UNKNOWN if externally configured) |
| GPIOFunction | The function number for GPIO assignments (or GPIO_FUNCTION_UNKNOWN if externally configured) |
| EnableFIQ | Enable fast interrupt support for the BCMSDHOST |
| uint32_t STDCALL bcmsdhost_destroy | ( | SDHCI_HOST * | sdhci | ) |
Stop, deregister and destroy a BCMSDHOST SDHCI device created by this driver.
| SDHCI | The SDHCI device to destroy |
1.16.1