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dfu: defer parsing of device string to IO backend

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Devices are not all identified by a single integer. To support
this, defer the parsing of the device string to the IO backed, so that
it can apply the appropriate rules.

SPI devices are specified as controller:chip_select. SPI/SF support will
be added soon.

MMC devices can also be specified as controller[.hwpart][:partition] in
many commands, although we don't support that syntax in DFU.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Stephen Warren
2014-06-11 16:03:33 -06:00
committed by Tom Rini
parent 3ee9593fce
commit dd64827eb6
6 changed files with 38 additions and 32 deletions
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22
include/dfu.h
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@@ -39,6 +39,8 @@ enum dfu_op {
};
struct mmc_internal_data {
int dev_num;
/* RAW programming */
unsigned int lba_start;
unsigned int lba_size;
@@ -87,7 +89,6 @@ struct dfu_entity {
char name[DFU_NAME_SIZE];
int alt;
void *dev_private;
int dev_num;
enum dfu_device_type dev_type;
enum dfu_layout layout;
@@ -125,7 +126,7 @@ struct dfu_entity {
unsigned int inited:1;
};
int dfu_config_entities(char *s, char *interface, int num);
int dfu_config_entities(char *s, char *interface, char *devstr);
void dfu_free_entities(void);
void dfu_show_entities(void);
int dfu_get_alt_number(void);
@@ -136,7 +137,7 @@ char *dfu_extract_token(char** e, int *n);
void dfu_trigger_reset(void);
int dfu_get_alt(char *name);
bool dfu_reset(void);
int dfu_init_env_entities(char *interface, int dev);
int dfu_init_env_entities(char *interface, char *devstr);
unsigned char *dfu_get_buf(void);
unsigned char *dfu_free_buf(void);
unsigned long dfu_get_buf_size(void);
@@ -146,9 +147,10 @@ int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
int dfu_flush(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
/* Device specific */
#ifdef CONFIG_DFU_MMC
extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s);
extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr, char *s);
#else
static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s)
static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr,
char *s)
{
puts("MMC support not available!\n");
return -1;
@@ -156,9 +158,10 @@ static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s)
#endif
#ifdef CONFIG_DFU_NAND
extern int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s);
extern int dfu_fill_entity_nand(struct dfu_entity *dfu, char *devstr, char *s);
#else
static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s)
static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *devstr,
char *s)
{
puts("NAND support not available!\n");
return -1;
@@ -166,9 +169,10 @@ static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s)
#endif
#ifdef CONFIG_DFU_RAM
extern int dfu_fill_entity_ram(struct dfu_entity *dfu, char *s);
extern int dfu_fill_entity_ram(struct dfu_entity *dfu, char *devstr, char *s);
#else
static inline int dfu_fill_entity_ram(struct dfu_entity *dfu, char *s)
static inline int dfu_fill_entity_ram(struct dfu_entity *dfu, char *devstr,
char *s)
{
puts("RAM support not available!\n");
return -1;