qemu-e2k/hw/misc/omap_tap.c

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/*
* 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) {
omap: Fix warnings from Sparse Sparse report: arm/omap1.c:1015:9: warning: returning void-valued expression arm/omap1.c:1084:9: warning: returning void-valued expression arm/omap1.c:1178:9: warning: returning void-valued expression arm/omap1.c:1287:9: warning: returning void-valued expression arm/omap1.c:1382:9: warning: returning void-valued expression arm/omap1.c:1650:9: warning: returning void-valued expression arm/omap1.c:1778:9: warning: returning void-valued expression arm/omap1.c:1985:9: warning: returning void-valued expression arm/omap1.c:210:9: warning: returning void-valued expression arm/omap1.c:2213:9: warning: returning void-valued expression arm/omap1.c:2352:9: warning: returning void-valued expression arm/omap1.c:2447:9: warning: returning void-valued expression arm/omap1.c:2640:9: warning: returning void-valued expression arm/omap1.c:317:9: warning: returning void-valued expression arm/omap1.c:3413:13: warning: returning void-valued expression arm/omap1.c:3414:13: warning: returning void-valued expression arm/omap1.c:3415:14: warning: returning void-valued expression arm/omap1.c:3589:9: warning: returning void-valued expression arm/omap1.c:443:9: warning: returning void-valued expression arm/omap1.c:588:9: warning: returning void-valued expression arm/omap1.c:860:9: warning: returning void-valued expression arm/omap2.c:1362:9: warning: returning void-valued expression arm/omap2.c:450:9: warning: returning void-valued expression arm/omap2.c:695:9: warning: returning void-valued expression arm/omap2.c:760:9: warning: returning void-valued expression hw/char/omap_uart.c:115:9: warning: returning void-valued expression hw/display/omap_dss.c:1019:9: warning: returning void-valued expression hw/display/omap_dss.c:215:9: warning: returning void-valued expression hw/display/omap_dss.c:380:9: warning: returning void-valued expression hw/display/omap_dss.c:739:9: warning: returning void-valued expression hw/display/omap_dss.c:931:9: warning: returning void-valued expression hw/dma/omap_dma.c:139:5: warning: returning void-valued expression hw/dma/omap_dma.c:1505:9: warning: returning void-valued expression hw/dma/omap_dma.c:1860:9: warning: returning void-valued expression hw/gpio/omap_gpio.c:116:9: warning: returning void-valued expression hw/misc/omap_gpmc.c:627:9: warning: returning void-valued expression hw/misc/omap_l4.c:85:9: warning: returning void-valued expression hw/misc/omap_sdrc.c:95:9: warning: returning void-valued expression hw/misc/omap_tap.c:98:9: warning: returning void-valued expression hw/sd/omap_mmc.c:409:9: warning: returning void-valued expression hw/ssi/omap_spi.c:229:9: warning: returning void-valued expression hw/timer/omap_gptimer.c:447:9: warning: returning void-valued expression Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-08 19:21:13 +01:00
omap_badwidth_write32(opaque, addr, value);
return;
}
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, NULL, &omap_tap_ops, mpu, "omap.tap",
omap_l4_region_size(ta, 0));
omap_l4_attach(ta, 0, &mpu->tap_iomem);
}