From: marcin.krzeminski@nokia.com
To: qemu-devel@nongnu.org
Cc: crosthwaitepeter@gmail.com, clg@fr.ibm.com,
pawel.lenkow@itlen.com, marcin.krzeminski@nokia.com
Subject: [Qemu-devel] [PATCH v3 09/11] block: m25p80: Implemented FSR register
Date: Mon, 8 Feb 2016 16:25:09 +0100 [thread overview]
Message-ID: <1454945111-728-10-git-send-email-marcin.krzeminski@nokia.com> (raw)
In-Reply-To: <1454945111-728-1-git-send-email-marcin.krzeminski@nokia.com>
From: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Implements FSR register, it is used for busy waits.
Signed-off-by: Marcin Krzeminski <marcin.krzeminski@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 f49578a..530e3f5 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,
@@ -642,6 +643,16 @@ 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
next prev parent reply other threads:[~2016-02-08 15:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-08 15:25 [Qemu-devel] [PATCH v3 00/11] Support for N25Q256/512 and AT25128/256 marcin.krzeminski
2016-02-08 15:25 ` [Qemu-devel] [PATCH v3 01/11] block: m25p80: Removed unused variable marcin.krzeminski
2016-02-08 15:25 ` [Qemu-devel] [PATCH v3 02/11] block: m25p80: RESET_ENABLE and RESET_MEMORY commnads marcin.krzeminski
2016-02-08 15:25 ` [Qemu-devel] [PATCH v3 03/11] block: m25p80: Widen flags variable marcin.krzeminski
2016-02-08 15:25 ` [Qemu-devel] [PATCH v3 04/11] block: m25p80: Extend address mode marcin.krzeminski
2016-02-08 15:25 ` [Qemu-devel] [PATCH v3 05/11] block: m25p80: 4byte " marcin.krzeminski
2016-02-08 15:25 ` [Qemu-devel] [PATCH v3 06/11] block: m25p80: Add configuration registers marcin.krzeminski
2016-02-08 15:25 ` [Qemu-devel] [PATCH v3 07/11] block: m25p80: Dummy cycles for N25Q256/512 marcin.krzeminski
2016-02-08 15:25 ` [Qemu-devel] [PATCH v3 08/11] block: m25p80: Fast read and 4bytes commands marcin.krzeminski
2016-02-08 15:25 ` marcin.krzeminski [this message]
2016-02-08 15:25 ` [Qemu-devel] [PATCH v3 10/11] block: m25p80: n25q256a/n25q512a models marcin.krzeminski
2016-02-08 15:25 ` [Qemu-devel] [PATCH v3 11/11] block: m25p80: at25128a/at25256a models marcin.krzeminski
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