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Re: [Qemu-devel] [PATCH v2 07/11] block: m25p80: Dummy cycles for N25Q25
From: |
Cédric Le Goater |
Subject: |
Re: [Qemu-devel] [PATCH v2 07/11] block: m25p80: Dummy cycles for N25Q256/512 |
Date: |
Fri, 5 Feb 2016 09:05:59 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.5.0 |
On 02/04/2016 01:23 PM, address@hidden wrote:
> From: Marcin Krzeminski <address@hidden>
>
> This patch handles dummy cycles.
>
> Signed-off-by: Marcin Krzeminski <address@hidden>
> ---
> hw/block/m25p80.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
> index a213587..df1f829 100644
> --- a/hw/block/m25p80.c
> +++ b/hw/block/m25p80.c
> @@ -531,6 +531,10 @@ static void decode_new_cmd(Flash *s, uint32_t value)
> case DOR:
> case QOR:
> s->needed_bytes = get_cmd_length(s);
> + if ( ((s->pi->jedec >> 16) & 0xFF) == JEDEC_NUMONYX ) {
There are a few other areas where we check the manufactory id. May be we
could add :
#define manuf_id(pinfo) ((pinfo)->jedec >> 16) & 0xFF
> + /* Dummy cycles - modeled with bytes writes instead of bits */
> + s->needed_bytes += extract32(s->volatile_cfg,4,4);
white space issues ^
> + }
> s->pos = 0;
> s->len = 0;
> s->state = STATE_COLLECTING_DATA;
> @@ -544,6 +548,7 @@ static void decode_new_cmd(Flash *s, uint32_t value)
> break;
> case JEDEC_NUMONYX:
> s->needed_bytes = get_cmd_length(s);
> + s->needed_bytes += extract32(s->volatile_cfg,4,4);
> break;
> default:
> s->needed_bytes = 5;
> @@ -561,6 +566,7 @@ static void decode_new_cmd(Flash *s, uint32_t value)
> break;
> case JEDEC_NUMONYX:
> s->needed_bytes = get_cmd_length(s);
> + s->needed_bytes += extract32(s->volatile_cfg,4,4);
> break;
> default:
> s->needed_bytes = 8;
>
- [Qemu-devel] [PATCH v2 00/11] Support for N25Q256/512 and AT25128/256, marcin . krzeminski, 2016/02/04
- [Qemu-devel] [PATCH v2 05/11] block: m25p80: 4byte address mode, marcin . krzeminski, 2016/02/04
- [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
- Re: [Qemu-devel] [PATCH v2 07/11] block: m25p80: Dummy cycles for N25Q256/512,
Cédric Le Goater <=
- [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, 2016/02/04
- [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