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Add Winbond W25N01G support

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This commit is contained in:
jflyper 2019-05-13 00:46:20 +09:00
parent a8e9dd94e8
commit ee9022de1e
5 changed files with 825 additions and 7 deletions
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31
src/main/drivers/flash.c
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@ -30,6 +30,7 @@
#include "flash.h"
#include "flash_impl.h"
#include "flash_m25p16.h"
#include "flash_w25n01g.h"
#include "flash_w25m.h"
#include "drivers/bus_spi.h"
#include "drivers/io.h"
@ -86,15 +87,18 @@ bool flashInit(const flashConfig_t *flashConfig)
flashDevice.busdev = busdev;
const uint8_t out[] = { SPIFLASH_INSTRUCTION_RDID, 0, 0, 0 };
#define SPIFLASH_INSTRUCTION_RDID 0x9F
const uint8_t out[] = { SPIFLASH_INSTRUCTION_RDID, 0, 0, 0, 0 };
delay(50); // short delay required after initialisation of SPI device instance.
/* Just in case transfer fails and writes nothing, so we don't try to verify the ID against random garbage
* from the stack:
/*
* Some newer chips require one dummy byte to be read; we can read
* 4 bytes for these chips while retaining backward compatibility.
*/
uint8_t in[4];
in[1] = 0;
uint8_t in[5];
in[1] = in[2] = 0;
// Clearing the CS bit terminates the command early so we don't have to read the chip UID:
#ifdef USE_SPI_TRANSACTION
@ -112,7 +116,22 @@ bool flashInit(const flashConfig_t *flashConfig)
}
#endif
#ifdef USE_FLASH_W25M
#ifdef USE_FLASH_W25M512
if (w25m_detect(&flashDevice, chipID)) {
return true;
}
#endif
// Newer chips
chipID = (in[2] << 16) | (in[3] << 8) | (in[4]);
#ifdef USE_FLASH_W25N01G
if (w25n01g_detect(&flashDevice, chipID)) {
return true;
}
#endif
#ifdef USE_FLASH_W25M02G
if (w25m_detect(&flashDevice, chipID)) {
return true;
}