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| author | Marcin Krzeminski <marcin.krzeminski@nokia.com> | 2016-06-27 15:37:33 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2016-06-27 15:37:33 +0100 |
| commit | 9964674e5016741f453f322e2b0c422c32cb2220 (patch) | |
| tree | d8868f4d0b0e9aaaa4f040af45a1c9d24541c8f9 /hw/block | |
| parent | e02b3bf263f81abb99164230e98043c60333d6e1 (diff) | |
| download | qemu-9964674e5016741f453f322e2b0c422c32cb2220.zip qemu-9964674e5016741f453f322e2b0c422c32cb2220.tar.gz qemu-9964674e5016741f453f322e2b0c422c32cb2220.tar.bz2 | |
m25p80: Introduce COLLECTING_VAR_LEN_DATA state.
Some flash allows to stop read at any time.
Allow framework to support this.
Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1466755631-25201-5-git-send-email-marcin.krzeminski@nokia.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/block')
| -rw-r--r-- | hw/block/m25p80.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index 187899c..0af2ee4 100644 --- a/hw/block/m25p80.c +++ b/hw/block/m25p80.c @@ -330,6 +330,7 @@ typedef enum { STATE_PAGE_PROGRAM, STATE_READ, STATE_COLLECTING_DATA, + STATE_COLLECTING_VAR_LEN_DATA, STATE_READING_DATA, } CMDState; @@ -872,6 +873,9 @@ static int m25p80_cs(SSISlave *ss, bool select) Flash *s = M25P80(ss); if (select) { + if (s->state == STATE_COLLECTING_VAR_LEN_DATA) { + complete_collecting_data(s); + } s->len = 0; s->pos = 0; s->state = STATE_IDLE; @@ -905,6 +909,7 @@ static uint32_t m25p80_transfer8(SSISlave *ss, uint32_t tx) break; case STATE_COLLECTING_DATA: + case STATE_COLLECTING_VAR_LEN_DATA: s->data[s->len] = (uint8_t)tx; s->len++; |