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Various VIA fixes.

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This commit is contained in:
OBattler
2021-07-17 06:01:27 +02:00
parent 7047517408
commit 5fc73eee7b
6 changed files with 96 additions and 39 deletions
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14
src/mem/sst_flash.c
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@@ -175,13 +175,14 @@ static uint8_t
sst_read_id(uint32_t addr, void *p)
{
sst_t *dev = (sst_t *) p;
uint8_t ret = 0xff;
if ((addr & 0xffff) == 0)
return SST_ID_MANUFACTURER; /* SST */
ret = SST_ID_MANUFACTURER; /* SST */
else if ((addr & 0xffff) == 1)
return dev->id;
else
return 0xff;
ret = dev->id;
return ret;
}
@@ -237,7 +238,10 @@ sst_write(uint32_t addr, uint8_t val, void *p)
case 2:
case 5:
/* 3rd and 6th Bus Write Cycle */
if ((addr & 0x7fff) == 0x5555)
if ((dev->command_state == 5) && (val == SST_SECTOR_ERASE)) {
/* Sector erase - can be on any address. */
sst_new_command(dev, addr, val);
} else if ((addr & 0x7fff) == 0x5555)
sst_new_command(dev, addr, val);
else
dev->command_state = 0;