/* Blackfin One-Time Programmable Memory (OTP) model
- Copyright (C) 2010-2011 Free Software Foundation, Inc.
+ Copyright (C) 2010-2015 Free Software Foundation, Inc.
Contributed by Analog Devices, Inc.
This file is part of simulators.
bu32 *value32p;
void *valuep;
+ /* Invalid access mode is higher priority than missing register. */
+ if (!dv_bfin_mmr_require_16_32 (me, addr, nr_bytes, true))
+ return 0;
+
if (nr_bytes == 4)
value = dv_load_4 (source);
else
{
int page;
- dv_bfin_mmr_require_16 (me, addr, nr_bytes, true);
+ if (!dv_bfin_mmr_require_16 (me, addr, nr_bytes, true))
+ return 0;
/* XXX: Seems like these bits aren't writable. */
*value16p = value & 0x39FF;
break;
}
case mmr_offset(ben):
- dv_bfin_mmr_require_16 (me, addr, nr_bytes, true);
+ if (!dv_bfin_mmr_require_16 (me, addr, nr_bytes, true))
+ return 0;
/* XXX: All bits seem to be writable. */
*value16p = value;
break;
case mmr_offset(status):
- dv_bfin_mmr_require_16 (me, addr, nr_bytes, true);
+ if (!dv_bfin_mmr_require_16 (me, addr, nr_bytes, true))
+ return 0;
/* XXX: All bits seem to be W1C. */
dv_w1c_2 (value16p, value, -1);
break;
case mmr_offset(data1):
case mmr_offset(data2):
case mmr_offset(data3):
- dv_bfin_mmr_require_32 (me, addr, nr_bytes, true);
+ if (!dv_bfin_mmr_require_32 (me, addr, nr_bytes, true))
+ return 0;
*value32p = value;
break;
default:
dv_bfin_mmr_invalid (me, addr, nr_bytes, true);
- break;
+ return 0;
}
return nr_bytes;
bu32 *value32p;
void *valuep;
+ /* Invalid access mode is higher priority than missing register. */
+ if (!dv_bfin_mmr_require_16_32 (me, addr, nr_bytes, false))
+ return 0;
+
mmr_off = addr - otp->base;
valuep = (void *)((unsigned long)otp + mmr_base() + mmr_off);
value16p = valuep;
case mmr_offset(control):
case mmr_offset(ben):
case mmr_offset(status):
- dv_bfin_mmr_require_16 (me, addr, nr_bytes, false);
+ if (!dv_bfin_mmr_require_16 (me, addr, nr_bytes, false))
+ return 0;
dv_store_2 (dest, *value16p);
break;
case mmr_offset(timing):
case mmr_offset(data1):
case mmr_offset(data2):
case mmr_offset(data3):
- dv_bfin_mmr_require_32 (me, addr, nr_bytes, false);
+ if (!dv_bfin_mmr_require_32 (me, addr, nr_bytes, false))
+ return 0;
dv_store_4 (dest, *value32p);
break;
default:
dv_bfin_mmr_invalid (me, addr, nr_bytes, false);
- break;
+ return 0;
}
return nr_bytes;
otp->base = attach_address;
}
+static const struct hw_port_descriptor bfin_otp_ports[] =
+{
+ { "stat", 0, 0, output_port, },
+ { NULL, 0, 0, 0, },
+};
+
static void
bfin_otp_finish (struct hw *me)
{
set_hw_data (me, otp);
set_hw_io_read_buffer (me, bfin_otp_io_read_buffer);
set_hw_io_write_buffer (me, bfin_otp_io_write_buffer);
+ set_hw_ports (me, bfin_otp_ports);
attach_bfin_otp_regs (me, otp);