From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58494) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aRIws-00060Z-2U for qemu-devel@nongnu.org; Thu, 04 Feb 2016 07:23:47 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aRIwp-0008OW-CG for qemu-devel@nongnu.org; Thu, 04 Feb 2016 07:23:45 -0500 Received: from demumfd001.nsn-inter.net ([93.183.12.32]:59361) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aRIwp-0008NT-2h for qemu-devel@nongnu.org; Thu, 04 Feb 2016 07:23:43 -0500 From: marcin.krzeminski@nokia.com Date: Thu, 4 Feb 2016 13:23:24 +0100 Message-Id: <1454588606-14094-10-git-send-email-marcin.krzeminski@nokia.com> In-Reply-To: <1454588606-14094-1-git-send-email-marcin.krzeminski@nokia.com> References: <1454588606-14094-1-git-send-email-marcin.krzeminski@nokia.com> Subject: [Qemu-devel] [PATCH v2 09/11] block: m25p80: Implemented FSR register List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: crosthwaitepeter@gmail.com, clg@fr.ibm.com, pawel.lenkow@itlen.com, marcin.krzeminski@nokia.com From: Marcin Krzeminski Implements FSR register, it is used for busy waits. Signed-off-by: Marcin Krzeminski --- hw/block/m25p80.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index faf1212..116e098 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, @@ -640,6 +641,16 @@ 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