block: m25p80: Implemented FSR register
Implements FSR register, it is used for busy waits. Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-id: 1458719789-29868-10-git-send-email-marcin.krzeminski@nokia.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -103,6 +103,10 @@ typedef struct FlashPartInfo {
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#define NVCFG_LOWER_SEGMENT_MASK (1 << 1)
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#define NVCFG_LOWER_SEGMENT_MASK (1 << 1)
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#define CFG_UPPER_128MB_SEG_ENABLED 0x3
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#define CFG_UPPER_128MB_SEG_ENABLED 0x3
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/* Numonyx (Micron) Flag Status Register macros */
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#define FSR_4BYTE_ADDR_MODE_ENABLED 0x1
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#define FSR_FLASH_READY (1 << 7)
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static const FlashPartInfo known_devices[] = {
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static const FlashPartInfo known_devices[] = {
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/* Atmel -- some are (confusingly) marketed as "DataFlash" */
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/* Atmel -- some are (confusingly) marketed as "DataFlash" */
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{ INFO("at25fs010", 0x1f6601, 0, 32 << 10, 4, ER_4K) },
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{ INFO("at25fs010", 0x1f6601, 0, 32 << 10, 4, ER_4K) },
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@ -242,6 +246,7 @@ typedef enum {
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WREN = 0x6,
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WREN = 0x6,
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JEDEC_READ = 0x9f,
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JEDEC_READ = 0x9f,
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BULK_ERASE = 0xc7,
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BULK_ERASE = 0xc7,
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READ_FSR = 0x70,
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READ = 0x03,
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READ = 0x03,
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READ4 = 0x13,
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READ4 = 0x13,
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@ -690,6 +695,16 @@ static void decode_new_cmd(Flash *s, uint32_t value)
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s->state = STATE_READING_DATA;
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s->state = STATE_READING_DATA;
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break;
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break;
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case READ_FSR:
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s->data[0] = FSR_FLASH_READY;
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if (s->four_bytes_address_mode) {
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s->data[0] |= FSR_4BYTE_ADDR_MODE_ENABLED;
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}
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s->pos = 0;
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s->len = 1;
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s->state = STATE_READING_DATA;
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break;
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case JEDEC_READ:
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case JEDEC_READ:
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DB_PRINT_L(0, "populated jedec code\n");
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DB_PRINT_L(0, "populated jedec code\n");
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s->data[0] = (s->pi->jedec >> 16) & 0xff;
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s->data[0] = (s->pi->jedec >> 16) & 0xff;
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