mirror of https://gitee.com/openkylin/qemu.git
117 lines
3.4 KiB
C
117 lines
3.4 KiB
C
/*
|
|
* TI OMAP TEST-Chip-level TAP emulation.
|
|
*
|
|
* Copyright (C) 2007-2008 Nokia Corporation
|
|
* Written by Andrzej Zaborowski <andrew@openedhand.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 or
|
|
* (at your option) any later version of the License.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "hw/hw.h"
|
|
#include "hw/arm/omap.h"
|
|
|
|
/* TEST-Chip-level TAP */
|
|
static uint64_t omap_tap_read(void *opaque, hwaddr addr,
|
|
unsigned size)
|
|
{
|
|
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
|
|
|
|
if (size != 4) {
|
|
return omap_badwidth_read32(opaque, addr);
|
|
}
|
|
|
|
switch (addr) {
|
|
case 0x204: /* IDCODE_reg */
|
|
switch (s->mpu_model) {
|
|
case omap2420:
|
|
case omap2422:
|
|
case omap2423:
|
|
return 0x5b5d902f; /* ES 2.2 */
|
|
case omap2430:
|
|
return 0x5b68a02f; /* ES 2.2 */
|
|
case omap3430:
|
|
return 0x1b7ae02f; /* ES 2 */
|
|
default:
|
|
hw_error("%s: Bad mpu model\n", __FUNCTION__);
|
|
}
|
|
|
|
case 0x208: /* PRODUCTION_ID_reg for OMAP2 */
|
|
case 0x210: /* PRODUCTION_ID_reg for OMAP3 */
|
|
switch (s->mpu_model) {
|
|
case omap2420:
|
|
return 0x000254f0; /* POP ESHS2.1.1 in N91/93/95, ES2 in N800 */
|
|
case omap2422:
|
|
return 0x000400f0;
|
|
case omap2423:
|
|
return 0x000800f0;
|
|
case omap2430:
|
|
return 0x000000f0;
|
|
case omap3430:
|
|
return 0x000000f0;
|
|
default:
|
|
hw_error("%s: Bad mpu model\n", __FUNCTION__);
|
|
}
|
|
|
|
case 0x20c:
|
|
switch (s->mpu_model) {
|
|
case omap2420:
|
|
case omap2422:
|
|
case omap2423:
|
|
return 0xcafeb5d9; /* ES 2.2 */
|
|
case omap2430:
|
|
return 0xcafeb68a; /* ES 2.2 */
|
|
case omap3430:
|
|
return 0xcafeb7ae; /* ES 2 */
|
|
default:
|
|
hw_error("%s: Bad mpu model\n", __FUNCTION__);
|
|
}
|
|
|
|
case 0x218: /* DIE_ID_reg */
|
|
return ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
|
|
case 0x21c: /* DIE_ID_reg */
|
|
return 0x54 << 24;
|
|
case 0x220: /* DIE_ID_reg */
|
|
return ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
|
|
case 0x224: /* DIE_ID_reg */
|
|
return ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
|
|
}
|
|
|
|
OMAP_BAD_REG(addr);
|
|
return 0;
|
|
}
|
|
|
|
static void omap_tap_write(void *opaque, hwaddr addr,
|
|
uint64_t value, unsigned size)
|
|
{
|
|
if (size != 4) {
|
|
return omap_badwidth_write32(opaque, addr, value);
|
|
}
|
|
|
|
OMAP_BAD_REG(addr);
|
|
}
|
|
|
|
static const MemoryRegionOps omap_tap_ops = {
|
|
.read = omap_tap_read,
|
|
.write = omap_tap_write,
|
|
.endianness = DEVICE_NATIVE_ENDIAN,
|
|
};
|
|
|
|
void omap_tap_init(struct omap_target_agent_s *ta,
|
|
struct omap_mpu_state_s *mpu)
|
|
{
|
|
memory_region_init_io(&mpu->tap_iomem, &omap_tap_ops, mpu, "omap.tap",
|
|
omap_l4_region_size(ta, 0));
|
|
omap_l4_attach(ta, 0, &mpu->tap_iomem);
|
|
}
|