| Message ID | 201005010019.22643.michael@walle.cc |
|---|---|
| State | New |
| Headers | show |
Am 01.05.2010 00:19, schrieb Michael Walle: > Add support to read manufacturer and device ID. For everything else (eg. > lock bits) 0 is returned. > Signed-off-by is missing. > --- > hw/pflash_cfi01.c | 20 ++++++++++++++++++++ > 1 files changed, 20 insertions(+), 0 deletions(-) > > diff --git a/hw/pflash_cfi01.c b/hw/pflash_cfi01.c > index dfdced9..2d30968 100644 > --- a/hw/pflash_cfi01.c > +++ b/hw/pflash_cfi01.c > @@ -165,6 +165,22 @@ static uint32_t pflash_read (pflash_t *pfl, > target_phys_addr_t offset, > The patch is damaged here. Use "git send-email" to send your patch. > ret = pfl->status; > DPRINTF("%s: status %x\n", __func__, ret); > break; > + case 0x90: > + switch (boff) { > + case 0: > + ret = pfl->ident[0]<< 8 | pfl->ident[1]; > + DPRINTF("%s: Manufacturer Code %04x\n", __func__, ret); > + break; > + case 1: > + ret = pfl->ident[2]<< 8 | pfl->ident[3]; > + DPRINTF("%s: Device ID Code %04x\n", __func__, ret); > + break; > + default: > + DPRINTF("%s: Read Device Information boff=%x\n", __func__, boff); > + ret = 0; > + break; > + } > + break; > case 0x98: /* Query mode */ > if (boff> pfl->cfi_len) > ret = 0; > @@ -290,6 +306,10 @@ static void pflash_write(pflash_t *pfl, > target_phys_addr_t offset, > The patch is damaged here. > DPRINTF("%s: Read status register\n", __func__); > pfl->cmd = cmd; > return; > + case 0x90: /* Read Device ID */ > + DPRINTF("%s: Read Device information\n", __func__); > + pfl->cmd = cmd; > + return; > case 0x98: /* CFI query */ > DPRINTF("%s: CFI query\n", __func__); > break; > Regards, Stefan
diff --git a/hw/pflash_cfi01.c b/hw/pflash_cfi01.c index dfdced9..2d30968 100644 --- a/hw/pflash_cfi01.c +++ b/hw/pflash_cfi01.c @@ -165,6 +165,22 @@ static uint32_t pflash_read (pflash_t *pfl, target_phys_addr_t offset, ret = pfl->status; DPRINTF("%s: status %x\n", __func__, ret); break; + case 0x90: + switch (boff) { + case 0: + ret = pfl->ident[0] << 8 | pfl->ident[1]; + DPRINTF("%s: Manufacturer Code %04x\n", __func__, ret); + break; + case 1: + ret = pfl->ident[2] << 8 | pfl->ident[3]; + DPRINTF("%s: Device ID Code %04x\n", __func__, ret); + break; + default: + DPRINTF("%s: Read Device Information boff=%x\n", __func__, boff); + ret = 0; + break; + } + break; case 0x98: /* Query mode */ if (boff > pfl->cfi_len)
Add support to read manufacturer and device ID. For everything else (eg. lock bits) 0 is returned. --- hw/pflash_cfi01.c | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-) ret = 0; @@ -290,6 +306,10 @@ static void pflash_write(pflash_t *pfl, target_phys_addr_t offset, DPRINTF("%s: Read status register\n", __func__); pfl->cmd = cmd; return; + case 0x90: /* Read Device ID */ + DPRINTF("%s: Read Device information\n", __func__); + pfl->cmd = cmd; + return; case 0x98: /* CFI query */ DPRINTF("%s: CFI query\n", __func__); break;