From 9964674e5016741f453f322e2b0c422c32cb2220 Mon Sep 17 00:00:00 2001 From: Marcin Krzeminski Date: Mon, 27 Jun 2016 15:37:33 +0100 Subject: m25p80: Introduce COLLECTING_VAR_LEN_DATA state. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Some flash allows to stop read at any time. Allow framework to support this. Signed-off-by: Marcin Krzeminski Reviewed-by: Cédric Le Goater Message-id: 1466755631-25201-5-git-send-email-marcin.krzeminski@nokia.com Signed-off-by: Peter Maydell --- hw/block/m25p80.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'hw/block/m25p80.c') diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index 187899c402..0af2ee4dc6 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++; -- cgit v1.2.3