Message ID | 1456128205-5092-10-git-send-email-marcin.krzeminski@nokia.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Mon, Feb 22, 2016 at 12:03 AM, <marcin.krzeminski@nokia.com> wrote: > From: Marcin Krzeminski <marcin.krzeminski@nokia.com> > > Implements FSR register, it is used for busy waits. > > Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com> > --- > hw/block/m25p80.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c > index 4acc79a..bc0dadb 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, > @@ -678,6 +679,16 @@ 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; > + To be consistent with recommendation on CFG register macros it should be done here too. Otherwise: Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> > case JEDEC_READ: > DB_PRINT_L(0, "populated jedec code\n"); > s->data[0] = (s->pi->jedec >> 16) & 0xff; > -- > 2.5.0 >
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index 4acc79a..bc0dadb 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, @@ -678,6 +679,16 @@ 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;