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spi: support 32- and 64-kB erase blocks 

Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2019-04-05 15:09:04 +08:00
parent cbf4958236
commit ac349ce1a1
2 changed files with 21 additions and 5 deletions
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3
sw/include/spi.h
View File

@ -70,7 +70,8 @@ void spiWriteSecurity(struct ff_spi *spi, uint8_t sr, uint8_t security[256]);
int spiSetType(struct ff_spi *spi, enum spi_type type);
int spiRead(struct ff_spi *spi, uint32_t addr, uint8_t *data, unsigned int count);
int spiIsBusy(struct ff_spi *spi);
int spiBeginErase(struct ff_spi *spi, uint32_t erase_addr);
int spiBeginErase32(struct ff_spi *spi, uint32_t erase_addr);
int spiBeginErase64(struct ff_spi *spi, uint32_t erase_addr);
int spiBeginWrite(struct ff_spi *spi, uint32_t addr, const void *data, unsigned int count);
struct spi_id spiId(struct ff_spi *spi);

23
sw/src/spi.c
View File

@ -32,7 +32,7 @@ static void gpioWrite(int pin, int val) {
do_mirror |= 1 << pin;
else
do_mirror &= ~(1 << pin);
// bbspi_do_write(do_mirror);
bbspi_do_write(do_mirror);
}
static int gpioRead(int pin) {
@ -40,7 +40,7 @@ static int gpioRead(int pin) {
}
static void gpioSync(void) {
bbspi_do_write(do_mirror);
// bbspi_do_write(do_mirror);
}
#define SPI_ONLY_SINGLE
@ -703,10 +703,10 @@ static int spi_wait_for_not_busy(struct ff_spi *spi) {
}
int spiIsBusy(struct ff_spi *spi) {
return spiReadStatus(spi, 1) & (1 << 0);
return spiReadStatus(spi, 1) & (1 << 0);
}
int spiBeginErase(struct ff_spi *spi, uint32_t erase_addr) {
int spiBeginErase32(struct ff_spi *spi, uint32_t erase_addr) {
// Enable Write-Enable Latch (WEL)
spiBegin(spi);
spiCommand(spi, 0x06);
@ -721,6 +721,21 @@ int spiBeginErase(struct ff_spi *spi, uint32_t erase_addr) {
return 0;
}
int spiBeginErase64(struct ff_spi *spi, uint32_t erase_addr) {
// Enable Write-Enable Latch (WEL)
spiBegin(spi);
spiCommand(spi, 0x06);
spiEnd(spi);
spiBegin(spi);
spiCommand(spi, 0xD8);
spiCommand(spi, erase_addr >> 16);
spiCommand(spi, erase_addr >> 8);
spiCommand(spi, erase_addr >> 0);
spiEnd(spi);
return 0;
}
int spiBeginWrite(struct ff_spi *spi, uint32_t addr, const void *v_data, unsigned int count) {
uint8_t write_cmd = 0x02;
const uint8_t *data = v_data;