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[Qemu-devel] [PATCH v2 09/11] block: m25p80: Implemented FSR register
From: |
marcin . krzeminski |
Subject: |
[Qemu-devel] [PATCH v2 09/11] block: m25p80: Implemented FSR register |
Date: |
Thu, 4 Feb 2016 13:23:24 +0100 |
From: Marcin Krzeminski <address@hidden>
Implements FSR register, it is used for busy waits.
Signed-off-by: Marcin Krzeminski <address@hidden>
---
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
- Re: [Qemu-devel] [PATCH v2 05/11] block: m25p80: 4byte address mode, (continued)
- [Qemu-devel] [PATCH v2 03/11] block: m25p80: Widen flags variable, marcin . krzeminski, 2016/02/04
- [Qemu-devel] [PATCH v2 01/11] block: m25p80: Removed unused variable, marcin . krzeminski, 2016/02/04
- [Qemu-devel] [PATCH v2 11/11] block: m25p80: at25128a/at25256a models, marcin . krzeminski, 2016/02/04
- [Qemu-devel] [PATCH v2 06/11] block: m25p80: Add configuration registers, marcin . krzeminski, 2016/02/04
- [Qemu-devel] [PATCH v2 02/11] block: m25p80: RESET_ENABLE and RESET_MEMORY commnads, marcin . krzeminski, 2016/02/04
- [Qemu-devel] [PATCH v2 07/11] block: m25p80: Dummy cycles for N25Q256/512, marcin . krzeminski, 2016/02/04
- [Qemu-devel] [PATCH v2 10/11] block: m25p80: n25q256a/n25q512a models, marcin . krzeminski, 2016/02/04
- [Qemu-devel] [PATCH v2 09/11] block: m25p80: Implemented FSR register,
marcin . krzeminski <=
- [Qemu-devel] [PATCH v2 04/11] block: m25p80: Extend address mode, marcin . krzeminski, 2016/02/04
- [Qemu-devel] [PATCH v2 08/11] block: m25p80: Fast read and 4bytes commands, marcin . krzeminski, 2016/02/04