sc64_ll.c File Reference

Low-level functions for SummerCart64. More...

Data Structures
struct	sc64_regs_t
	SummerCart64 Registers Structure. More...
struct	sc64_cmd_t
	SummerCart64 Commands Structure. More...

Macros
#define	SC64_REGS_BASE   (0x1FFF0000UL)
#define	SC64_REGS   ((sc64_regs_t *) SC64_REGS_BASE)
#define	SC64_SR_CMD_ERROR   (1 << 30)
#define	SC64_SR_CPU_BUSY   (1 << 31)
#define	SC64_KEY_LOCK   (0xFFFFFFFFUL)

Enumerations
enum	sc64_cmd_id_t {   CMD_ID_VERSION_GET = 'V' , CMD_ID_CONFIG_GET = 'c' , CMD_ID_CONFIG_SET = 'C' , CMD_ID_DISK_MAPPING_SET = 'D' ,   CMD_ID_WRITEBACK_PENDING = 'w' , CMD_ID_WRITEBACK_SD_INFO = 'W' , CMD_ID_FLASH_WAIT_BUSY = 'p' , CMD_ID_FLASH_ERASE_BLOCK = 'P' }
	SummerCart64 Command IDs.

Functions
void	sc64_ll_lock (void)
	Lock the SummerCart64.
sc64_error_t	sc64_ll_get_version (uint16_t *major, uint16_t *minor, uint32_t *revision)
	Get the firmware version of the SummerCart64.
sc64_error_t	sc64_ll_get_config (sc64_cfg_id_t id, uint32_t *value)
	Get a configuration value from the SummerCart64.
sc64_error_t	sc64_ll_set_config (sc64_cfg_id_t id, uint32_t value)
	Set a configuration value on the SummerCart64.
sc64_error_t	sc64_ll_set_disk_mapping (sc64_disk_mapping_t *disk_mapping)
	Set the disk mapping on the SummerCart64.
sc64_error_t	sc64_ll_writeback_pending (bool *pending)
	Check if there are pending writebacks on the SummerCart64.
sc64_error_t	sc64_ll_writeback_enable (void *address)
	Enable writeback on the SummerCart64.
sc64_error_t	sc64_ll_flash_wait_busy (void)
	Wait for the flash to become idle on the SummerCart64.
sc64_error_t	sc64_ll_flash_get_erase_block_size (size_t *erase_block_size)
	Get the flash erase block size on the SummerCart64.
sc64_error_t	sc64_ll_flash_erase_block (void *address)
	Erase a flash block on the SummerCart64.

Detailed Description

Low-level functions for SummerCart64.

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Data Structure Documentation

sc64_regs_t

struct sc64_regs_t

SummerCart64 Registers Structure.

Data Fields
uint32_t	SR_CMD	Command Status Register.
uint32_t	DATA[2]	Data Registers.
uint32_t	IDENTIFIER	Identifier Register.
uint32_t	KEY	Key Register.

sc64_cmd_t

struct sc64_cmd_t

SummerCart64 Commands Structure.

Data Fields
sc64_cmd_id_t	id	Command ID.
uint32_t	arg[2]	Command arguments.
uint32_t	rsp[2]	Command response.