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spi: support 32- and 64-kB erase blocks

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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
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@@ -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 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 spiRead(struct ff_spi *spi, uint32_t addr, uint8_t *data, unsigned int count);
int spiIsBusy(struct ff_spi *spi); 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); int spiBeginWrite(struct ff_spi *spi, uint32_t addr, const void *data, unsigned int count);
struct spi_id spiId(struct ff_spi *spi); 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; do_mirror |= 1 << pin;
else else
do_mirror &= ~(1 << pin); do_mirror &= ~(1 << pin);
// bbspi_do_write(do_mirror); bbspi_do_write(do_mirror);
} }
static int gpioRead(int pin) { static int gpioRead(int pin) {
@@ -40,7 +40,7 @@ static int gpioRead(int pin) {
} }
static void gpioSync(void) { static void gpioSync(void) {
bbspi_do_write(do_mirror); // bbspi_do_write(do_mirror);
} }
#define SPI_ONLY_SINGLE #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) { 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) // Enable Write-Enable Latch (WEL)
spiBegin(spi); spiBegin(spi);
spiCommand(spi, 0x06); spiCommand(spi, 0x06);
@@ -721,6 +721,21 @@ int spiBeginErase(struct ff_spi *spi, uint32_t erase_addr) {
return 0; 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) { int spiBeginWrite(struct ff_spi *spi, uint32_t addr, const void *v_data, unsigned int count) {
uint8_t write_cmd = 0x02; uint8_t write_cmd = 0x02;
const uint8_t *data = v_data; const uint8_t *data = v_data;