From: Marcin Krzeminski <marcin.krzemin...@nokia.com>
Implements FSR register, it is used for busy waits.
Signed-off-by: Marcin Krzeminski <marcin.krzemin...@nokia.com>
---
hw/block/m25p80.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index 4acc79a..bc0dadb 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -222,6 +222,7 @@ typedef enum {
WREN = 0x6,
JEDEC_READ = 0x9f,
BULK_ERASE = 0xc7,
+ READ_FSR = 0x70,
READ = 0x3,
READ4 = 0x13,
@@ -678,6 +679,16 @@ static void decode_new_cmd(Flash *s, uint32_t value)
s->state = STATE_READING_DATA;
break;
+ case READ_FSR:
+ s->data[0] = (1 << 7); /*Indicates flash is ready */
+ if (s->four_bytes_address_mode) {
+ s->data[0] |= 0x1;
+ }
+ s->pos = 0;
+ s->len = 1;
+ s->state = STATE_READING_DATA;
+ break;
+
case JEDEC_READ:
DB_PRINT_L(0, "populated jedec code\n");
s->data[0] = (s->pi->jedec >> 16) & 0xff;
--
2.5.0
