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[Qemu-devel] [PATCH 8/9] m25p80: Fast read commands family changes.
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From: |
marcin.krzeminski |
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Subject: |
[Qemu-devel] [PATCH 8/9] m25p80: Fast read commands family changes. |
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Date: |
Wed, 15 Jun 2016 15:41:10 +0200 |
From: Marcin Krzeminski <address@hidden>
Add support for Spansion and Macronix flashes.
Additionally Numonyx(Micron) move from default
in fast read commands family.
Signed-off-by: Marcin Krzeminski <address@hidden>
---
hw/block/m25p80.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++-------
1 file changed, 64 insertions(+), 8 deletions(-)
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index 21998db..7bc0e03 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -758,9 +758,23 @@ static void decode_new_cmd(Flash *s, uint32_t value)
case QOR4:
s->needed_bytes = get_addr_length(s);
switch (get_man(s)) {
+ /* Dummy cycles - modeled with bytes writes instead of bits */
case MAN_NUMONYX:
s->needed_bytes += extract32(s->volatile_cfg, 4, 4);
break;
+ case MAN_MACRONIX:
+ if (extract32(s->volatile_cfg, 6, 2) == 1) {
+ s->needed_bytes += 6;
+ } else {
+ s->needed_bytes += 8;
+ }
+ break;
+ case MAN_SPANSION:
+ s->needed_bytes += extract32(s->spansion_cr2v,
+ SPANSION_DUMMY_CLK_POS,
+ SPANSION_DUMMY_CLK_LEN
+ );
+ break;
default:
break;
}
@@ -771,15 +785,36 @@ static void decode_new_cmd(Flash *s, uint32_t value)
case DIOR:
case DIOR4:
+ s->needed_bytes = get_addr_length(s);
+ /* Dummy cycles modeled with bytes writes instead of bits */
switch (get_man(s)) {
case MAN_WINBOND:
+ s->needed_bytes += 4;
+ break;
case MAN_SPANSION:
- s->needed_bytes = 4;
+ s->needed_bytes += extract32(s->spansion_cr2v,
+ SPANSION_DUMMY_CLK_POS,
+ SPANSION_DUMMY_CLK_LEN
+ );
break;
- default:
- s->needed_bytes = get_addr_length(s);
- /* Dummy cycles modeled with bytes writes instead of bits */
+ case MAN_NUMONYX:
s->needed_bytes += extract32(s->volatile_cfg, 4, 4);
+ break;
+ case MAN_MACRONIX:
+ switch (extract32(s->volatile_cfg, 6, 2)) {
+ case 1:
+ s->needed_bytes += 6;
+ break;
+ case 2:
+ s->needed_bytes += 8;
+ break;
+ default:
+ s->needed_bytes += 4;
+ break;
+ }
+ break;
+ default:
+ break;
}
s->pos = 0;
s->len = 0;
@@ -788,15 +823,36 @@ static void decode_new_cmd(Flash *s, uint32_t value)
case QIOR:
case QIOR4:
+ s->needed_bytes = get_addr_length(s);
+ /* Dummy cycles modeled with bytes writes instead of bits */
switch (get_man(s)) {
case MAN_WINBOND:
+ s->needed_bytes += 4;
+ break;
case MAN_SPANSION:
- s->needed_bytes = 6;
+ s->needed_bytes += extract32(s->spansion_cr2v,
+ SPANSION_DUMMY_CLK_POS,
+ SPANSION_DUMMY_CLK_LEN
+ );
break;
- default:
- s->needed_bytes = get_addr_length(s);
- /* Dummy cycles modeled with bytes writes instead of bits */
+ case MAN_NUMONYX:
s->needed_bytes += extract32(s->volatile_cfg, 4, 4);
+ break;
+ case MAN_MACRONIX:
+ switch (extract32(s->volatile_cfg, 6, 2)) {
+ case 1:
+ s->needed_bytes += 4;
+ break;
+ case 2:
+ s->needed_bytes += 8;
+ break;
+ default:
+ s->needed_bytes += 6;
+ break;
+ }
+ break;
+ default:
+ break;
}
s->pos = 0;
s->len = 0;
--
2.7.4