2010-05-31 19:54:13 +04:00
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/*
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* TI OMAP processors GPIO emulation.
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*
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* Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org>
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* Copyright (C) 2007-2009 Nokia Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 or
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* (at your option) version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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2013-02-04 18:40:22 +04:00
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#include "hw/hw.h"
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2013-02-05 20:06:20 +04:00
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#include "hw/arm/omap.h"
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2013-02-04 18:40:22 +04:00
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#include "hw/sysbus.h"
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2011-07-29 19:35:17 +04:00
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2010-05-31 19:54:13 +04:00
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struct omap_gpio_s {
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qemu_irq irq;
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qemu_irq handler[16];
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uint16_t inputs;
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uint16_t outputs;
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uint16_t dir;
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uint16_t edge;
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uint16_t mask;
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uint16_t ints;
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uint16_t pins;
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};
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2013-07-26 19:14:40 +04:00
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#define TYPE_OMAP1_GPIO "omap-gpio"
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#define OMAP1_GPIO(obj) \
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OBJECT_CHECK(struct omap_gpif_s, (obj), TYPE_OMAP1_GPIO)
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2011-07-29 19:35:17 +04:00
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struct omap_gpif_s {
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2013-07-26 19:14:40 +04:00
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SysBusDevice parent_obj;
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2011-11-24 16:32:34 +04:00
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MemoryRegion iomem;
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2011-07-29 19:35:17 +04:00
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int mpu_model;
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void *clk;
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struct omap_gpio_s omap1;
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};
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/* General-Purpose I/O of OMAP1 */
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2010-05-31 19:54:13 +04:00
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static void omap_gpio_set(void *opaque, int line, int level)
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{
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2011-07-29 19:35:17 +04:00
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struct omap_gpio_s *s = &((struct omap_gpif_s *) opaque)->omap1;
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2010-05-31 19:54:13 +04:00
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uint16_t prev = s->inputs;
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if (level)
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s->inputs |= 1 << line;
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else
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s->inputs &= ~(1 << line);
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if (((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) &
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(1 << line) & s->dir & ~s->mask) {
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s->ints |= 1 << line;
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qemu_irq_raise(s->irq);
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}
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}
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2012-10-23 14:30:10 +04:00
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static uint64_t omap_gpio_read(void *opaque, hwaddr addr,
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2011-11-24 16:32:34 +04:00
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unsigned size)
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2010-05-31 19:54:13 +04:00
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{
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struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
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int offset = addr & OMAP_MPUI_REG_MASK;
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2011-11-24 16:32:34 +04:00
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if (size != 2) {
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return omap_badwidth_read16(opaque, addr);
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}
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2010-05-31 19:54:13 +04:00
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switch (offset) {
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case 0x00: /* DATA_INPUT */
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return s->inputs & s->pins;
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case 0x04: /* DATA_OUTPUT */
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return s->outputs;
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case 0x08: /* DIRECTION_CONTROL */
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return s->dir;
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case 0x0c: /* INTERRUPT_CONTROL */
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return s->edge;
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case 0x10: /* INTERRUPT_MASK */
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return s->mask;
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case 0x14: /* INTERRUPT_STATUS */
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return s->ints;
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case 0x18: /* PIN_CONTROL (not in OMAP310) */
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OMAP_BAD_REG(addr);
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return s->pins;
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}
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OMAP_BAD_REG(addr);
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return 0;
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}
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2012-10-23 14:30:10 +04:00
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static void omap_gpio_write(void *opaque, hwaddr addr,
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2011-11-24 16:32:34 +04:00
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uint64_t value, unsigned size)
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2010-05-31 19:54:13 +04:00
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{
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struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
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int offset = addr & OMAP_MPUI_REG_MASK;
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uint16_t diff;
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int ln;
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2011-11-24 16:32:34 +04:00
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if (size != 2) {
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2015-03-08 21:21:13 +03:00
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omap_badwidth_write16(opaque, addr, value);
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return;
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2011-11-24 16:32:34 +04:00
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}
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2010-05-31 19:54:13 +04:00
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switch (offset) {
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case 0x00: /* DATA_INPUT */
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OMAP_RO_REG(addr);
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return;
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case 0x04: /* DATA_OUTPUT */
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diff = (s->outputs ^ value) & ~s->dir;
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s->outputs = value;
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2015-03-23 18:29:27 +03:00
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while ((ln = ctz32(diff)) != 32) {
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2010-05-31 19:54:13 +04:00
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if (s->handler[ln])
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qemu_set_irq(s->handler[ln], (value >> ln) & 1);
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diff &= ~(1 << ln);
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}
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break;
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case 0x08: /* DIRECTION_CONTROL */
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diff = s->outputs & (s->dir ^ value);
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s->dir = value;
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value = s->outputs & ~s->dir;
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2015-03-23 18:29:27 +03:00
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while ((ln = ctz32(diff)) != 32) {
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2010-05-31 19:54:13 +04:00
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if (s->handler[ln])
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qemu_set_irq(s->handler[ln], (value >> ln) & 1);
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diff &= ~(1 << ln);
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}
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break;
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case 0x0c: /* INTERRUPT_CONTROL */
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s->edge = value;
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break;
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case 0x10: /* INTERRUPT_MASK */
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s->mask = value;
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break;
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case 0x14: /* INTERRUPT_STATUS */
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s->ints &= ~value;
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if (!s->ints)
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qemu_irq_lower(s->irq);
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break;
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case 0x18: /* PIN_CONTROL (not in OMAP310 TRM) */
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OMAP_BAD_REG(addr);
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s->pins = value;
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break;
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default:
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OMAP_BAD_REG(addr);
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return;
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}
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}
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/* *Some* sources say the memory region is 32-bit. */
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2011-11-24 16:32:34 +04:00
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static const MemoryRegionOps omap_gpio_ops = {
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.read = omap_gpio_read,
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.write = omap_gpio_write,
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.endianness = DEVICE_NATIVE_ENDIAN,
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2010-05-31 19:54:13 +04:00
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};
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2011-07-29 19:35:17 +04:00
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static void omap_gpio_reset(struct omap_gpio_s *s)
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2010-05-31 19:54:13 +04:00
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{
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s->inputs = 0;
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s->outputs = ~0;
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s->dir = ~0;
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s->edge = ~0;
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s->mask = ~0;
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s->ints = 0;
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s->pins = ~0;
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}
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2010-05-31 19:54:14 +04:00
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struct omap2_gpio_s {
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qemu_irq irq[2];
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qemu_irq wkup;
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2011-07-29 19:35:17 +04:00
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qemu_irq *handler;
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2011-11-24 16:32:34 +04:00
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MemoryRegion iomem;
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2010-05-31 19:54:14 +04:00
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2011-07-29 19:35:17 +04:00
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uint8_t revision;
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2010-05-31 19:54:14 +04:00
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uint8_t config[2];
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uint32_t inputs;
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uint32_t outputs;
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uint32_t dir;
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uint32_t level[2];
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uint32_t edge[2];
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uint32_t mask[2];
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uint32_t wumask;
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uint32_t ints[2];
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uint32_t debounce;
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uint8_t delay;
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};
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2013-07-26 19:19:36 +04:00
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#define TYPE_OMAP2_GPIO "omap2-gpio"
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#define OMAP2_GPIO(obj) \
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OBJECT_CHECK(struct omap2_gpif_s, (obj), TYPE_OMAP2_GPIO)
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2011-07-29 19:35:17 +04:00
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struct omap2_gpif_s {
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2013-07-26 19:19:36 +04:00
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SysBusDevice parent_obj;
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2011-11-24 16:32:34 +04:00
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MemoryRegion iomem;
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2011-07-29 19:35:17 +04:00
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int mpu_model;
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void *iclk;
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void *fclk[6];
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int modulecount;
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struct omap2_gpio_s *modules;
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qemu_irq *handler;
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int autoidle;
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int gpo;
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};
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/* General-Purpose Interface of OMAP2/3 */
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2010-05-31 19:54:14 +04:00
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static inline void omap2_gpio_module_int_update(struct omap2_gpio_s *s,
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2011-07-29 19:35:17 +04:00
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int line)
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2010-05-31 19:54:14 +04:00
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{
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qemu_set_irq(s->irq[line], s->ints[line] & s->mask[line]);
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}
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static void omap2_gpio_module_wake(struct omap2_gpio_s *s, int line)
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{
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if (!(s->config[0] & (1 << 2))) /* ENAWAKEUP */
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return;
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if (!(s->config[0] & (3 << 3))) /* Force Idle */
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return;
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if (!(s->wumask & (1 << line)))
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return;
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qemu_irq_raise(s->wkup);
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}
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static inline void omap2_gpio_module_out_update(struct omap2_gpio_s *s,
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uint32_t diff)
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{
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int ln;
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s->outputs ^= diff;
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diff &= ~s->dir;
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2015-03-23 18:29:27 +03:00
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while ((ln = ctz32(diff)) != 32) {
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2010-05-31 19:54:14 +04:00
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qemu_set_irq(s->handler[ln], (s->outputs >> ln) & 1);
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diff &= ~(1 << ln);
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}
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}
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static void omap2_gpio_module_level_update(struct omap2_gpio_s *s, int line)
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{
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s->ints[line] |= s->dir &
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((s->inputs & s->level[1]) | (~s->inputs & s->level[0]));
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omap2_gpio_module_int_update(s, line);
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}
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static inline void omap2_gpio_module_int(struct omap2_gpio_s *s, int line)
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{
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s->ints[0] |= 1 << line;
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omap2_gpio_module_int_update(s, 0);
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s->ints[1] |= 1 << line;
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omap2_gpio_module_int_update(s, 1);
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omap2_gpio_module_wake(s, line);
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}
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2011-07-29 19:35:17 +04:00
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static void omap2_gpio_set(void *opaque, int line, int level)
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2010-05-31 19:54:14 +04:00
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{
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2011-07-29 19:35:17 +04:00
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struct omap2_gpif_s *p = opaque;
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struct omap2_gpio_s *s = &p->modules[line >> 5];
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2010-05-31 19:54:14 +04:00
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2011-07-29 19:35:17 +04:00
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line &= 31;
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2010-05-31 19:54:14 +04:00
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if (level) {
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if (s->dir & (1 << line) & ((~s->inputs & s->edge[0]) | s->level[1]))
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omap2_gpio_module_int(s, line);
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s->inputs |= 1 << line;
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} else {
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if (s->dir & (1 << line) & ((s->inputs & s->edge[1]) | s->level[0]))
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omap2_gpio_module_int(s, line);
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s->inputs &= ~(1 << line);
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}
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}
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static void omap2_gpio_module_reset(struct omap2_gpio_s *s)
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{
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s->config[0] = 0;
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s->config[1] = 2;
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s->ints[0] = 0;
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s->ints[1] = 0;
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s->mask[0] = 0;
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s->mask[1] = 0;
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s->wumask = 0;
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s->dir = ~0;
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s->level[0] = 0;
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s->level[1] = 0;
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s->edge[0] = 0;
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s->edge[1] = 0;
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s->debounce = 0;
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s->delay = 0;
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}
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2012-10-23 14:30:10 +04:00
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static uint32_t omap2_gpio_module_read(void *opaque, hwaddr addr)
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2010-05-31 19:54:14 +04:00
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{
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struct omap2_gpio_s *s = (struct omap2_gpio_s *) opaque;
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switch (addr) {
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case 0x00: /* GPIO_REVISION */
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2011-07-29 19:35:17 +04:00
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return s->revision;
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2010-05-31 19:54:14 +04:00
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case 0x10: /* GPIO_SYSCONFIG */
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return s->config[0];
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case 0x14: /* GPIO_SYSSTATUS */
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return 0x01;
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case 0x18: /* GPIO_IRQSTATUS1 */
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return s->ints[0];
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case 0x1c: /* GPIO_IRQENABLE1 */
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case 0x60: /* GPIO_CLEARIRQENABLE1 */
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case 0x64: /* GPIO_SETIRQENABLE1 */
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return s->mask[0];
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case 0x20: /* GPIO_WAKEUPENABLE */
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case 0x80: /* GPIO_CLEARWKUENA */
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case 0x84: /* GPIO_SETWKUENA */
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return s->wumask;
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case 0x28: /* GPIO_IRQSTATUS2 */
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return s->ints[1];
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|
|
|
|
|
|
|
case 0x2c: /* GPIO_IRQENABLE2 */
|
|
|
|
case 0x70: /* GPIO_CLEARIRQENABLE2 */
|
|
|
|
case 0x74: /* GPIO_SETIREQNEABLE2 */
|
|
|
|
return s->mask[1];
|
|
|
|
|
|
|
|
case 0x30: /* GPIO_CTRL */
|
|
|
|
return s->config[1];
|
|
|
|
|
|
|
|
case 0x34: /* GPIO_OE */
|
|
|
|
return s->dir;
|
|
|
|
|
|
|
|
case 0x38: /* GPIO_DATAIN */
|
|
|
|
return s->inputs;
|
|
|
|
|
|
|
|
case 0x3c: /* GPIO_DATAOUT */
|
|
|
|
case 0x90: /* GPIO_CLEARDATAOUT */
|
|
|
|
case 0x94: /* GPIO_SETDATAOUT */
|
|
|
|
return s->outputs;
|
|
|
|
|
|
|
|
case 0x40: /* GPIO_LEVELDETECT0 */
|
|
|
|
return s->level[0];
|
|
|
|
|
|
|
|
case 0x44: /* GPIO_LEVELDETECT1 */
|
|
|
|
return s->level[1];
|
|
|
|
|
|
|
|
case 0x48: /* GPIO_RISINGDETECT */
|
|
|
|
return s->edge[0];
|
|
|
|
|
|
|
|
case 0x4c: /* GPIO_FALLINGDETECT */
|
|
|
|
return s->edge[1];
|
|
|
|
|
|
|
|
case 0x50: /* GPIO_DEBOUNCENABLE */
|
|
|
|
return s->debounce;
|
|
|
|
|
|
|
|
case 0x54: /* GPIO_DEBOUNCINGTIME */
|
|
|
|
return s->delay;
|
|
|
|
}
|
|
|
|
|
|
|
|
OMAP_BAD_REG(addr);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-10-23 14:30:10 +04:00
|
|
|
static void omap2_gpio_module_write(void *opaque, hwaddr addr,
|
2010-05-31 19:54:14 +04:00
|
|
|
uint32_t value)
|
|
|
|
{
|
|
|
|
struct omap2_gpio_s *s = (struct omap2_gpio_s *) opaque;
|
|
|
|
uint32_t diff;
|
|
|
|
int ln;
|
|
|
|
|
|
|
|
switch (addr) {
|
|
|
|
case 0x00: /* GPIO_REVISION */
|
|
|
|
case 0x14: /* GPIO_SYSSTATUS */
|
|
|
|
case 0x38: /* GPIO_DATAIN */
|
|
|
|
OMAP_RO_REG(addr);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x10: /* GPIO_SYSCONFIG */
|
|
|
|
if (((value >> 3) & 3) == 3)
|
|
|
|
fprintf(stderr, "%s: bad IDLEMODE value\n", __FUNCTION__);
|
|
|
|
if (value & 2)
|
|
|
|
omap2_gpio_module_reset(s);
|
|
|
|
s->config[0] = value & 0x1d;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x18: /* GPIO_IRQSTATUS1 */
|
|
|
|
if (s->ints[0] & value) {
|
|
|
|
s->ints[0] &= ~value;
|
|
|
|
omap2_gpio_module_level_update(s, 0);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x1c: /* GPIO_IRQENABLE1 */
|
|
|
|
s->mask[0] = value;
|
|
|
|
omap2_gpio_module_int_update(s, 0);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x20: /* GPIO_WAKEUPENABLE */
|
|
|
|
s->wumask = value;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x28: /* GPIO_IRQSTATUS2 */
|
|
|
|
if (s->ints[1] & value) {
|
|
|
|
s->ints[1] &= ~value;
|
|
|
|
omap2_gpio_module_level_update(s, 1);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x2c: /* GPIO_IRQENABLE2 */
|
|
|
|
s->mask[1] = value;
|
|
|
|
omap2_gpio_module_int_update(s, 1);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x30: /* GPIO_CTRL */
|
|
|
|
s->config[1] = value & 7;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x34: /* GPIO_OE */
|
|
|
|
diff = s->outputs & (s->dir ^ value);
|
|
|
|
s->dir = value;
|
|
|
|
|
|
|
|
value = s->outputs & ~s->dir;
|
2015-03-23 18:29:27 +03:00
|
|
|
while ((ln = ctz32(diff)) != 32) {
|
|
|
|
diff &= ~(1 << ln);
|
2010-05-31 19:54:14 +04:00
|
|
|
qemu_set_irq(s->handler[ln], (value >> ln) & 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
omap2_gpio_module_level_update(s, 0);
|
|
|
|
omap2_gpio_module_level_update(s, 1);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x3c: /* GPIO_DATAOUT */
|
|
|
|
omap2_gpio_module_out_update(s, s->outputs ^ value);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x40: /* GPIO_LEVELDETECT0 */
|
|
|
|
s->level[0] = value;
|
|
|
|
omap2_gpio_module_level_update(s, 0);
|
|
|
|
omap2_gpio_module_level_update(s, 1);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x44: /* GPIO_LEVELDETECT1 */
|
|
|
|
s->level[1] = value;
|
|
|
|
omap2_gpio_module_level_update(s, 0);
|
|
|
|
omap2_gpio_module_level_update(s, 1);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x48: /* GPIO_RISINGDETECT */
|
|
|
|
s->edge[0] = value;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x4c: /* GPIO_FALLINGDETECT */
|
|
|
|
s->edge[1] = value;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x50: /* GPIO_DEBOUNCENABLE */
|
|
|
|
s->debounce = value;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x54: /* GPIO_DEBOUNCINGTIME */
|
|
|
|
s->delay = value;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x60: /* GPIO_CLEARIRQENABLE1 */
|
|
|
|
s->mask[0] &= ~value;
|
|
|
|
omap2_gpio_module_int_update(s, 0);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x64: /* GPIO_SETIRQENABLE1 */
|
|
|
|
s->mask[0] |= value;
|
|
|
|
omap2_gpio_module_int_update(s, 0);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x70: /* GPIO_CLEARIRQENABLE2 */
|
|
|
|
s->mask[1] &= ~value;
|
|
|
|
omap2_gpio_module_int_update(s, 1);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x74: /* GPIO_SETIREQNEABLE2 */
|
|
|
|
s->mask[1] |= value;
|
|
|
|
omap2_gpio_module_int_update(s, 1);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x80: /* GPIO_CLEARWKUENA */
|
|
|
|
s->wumask &= ~value;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x84: /* GPIO_SETWKUENA */
|
|
|
|
s->wumask |= value;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x90: /* GPIO_CLEARDATAOUT */
|
|
|
|
omap2_gpio_module_out_update(s, s->outputs & value);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x94: /* GPIO_SETDATAOUT */
|
|
|
|
omap2_gpio_module_out_update(s, ~s->outputs & value);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
OMAP_BAD_REG(addr);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-10-23 14:30:10 +04:00
|
|
|
static uint32_t omap2_gpio_module_readp(void *opaque, hwaddr addr)
|
2010-05-31 19:54:14 +04:00
|
|
|
{
|
2011-11-07 17:25:45 +04:00
|
|
|
return omap2_gpio_module_read(opaque, addr & ~3) >> ((addr & 3) << 3);
|
2010-05-31 19:54:14 +04:00
|
|
|
}
|
|
|
|
|
2012-10-23 14:30:10 +04:00
|
|
|
static void omap2_gpio_module_writep(void *opaque, hwaddr addr,
|
2010-05-31 19:54:14 +04:00
|
|
|
uint32_t value)
|
|
|
|
{
|
|
|
|
uint32_t cur = 0;
|
|
|
|
uint32_t mask = 0xffff;
|
|
|
|
|
|
|
|
switch (addr & ~3) {
|
|
|
|
case 0x00: /* GPIO_REVISION */
|
|
|
|
case 0x14: /* GPIO_SYSSTATUS */
|
|
|
|
case 0x38: /* GPIO_DATAIN */
|
|
|
|
OMAP_RO_REG(addr);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x10: /* GPIO_SYSCONFIG */
|
|
|
|
case 0x1c: /* GPIO_IRQENABLE1 */
|
|
|
|
case 0x20: /* GPIO_WAKEUPENABLE */
|
|
|
|
case 0x2c: /* GPIO_IRQENABLE2 */
|
|
|
|
case 0x30: /* GPIO_CTRL */
|
|
|
|
case 0x34: /* GPIO_OE */
|
|
|
|
case 0x3c: /* GPIO_DATAOUT */
|
|
|
|
case 0x40: /* GPIO_LEVELDETECT0 */
|
|
|
|
case 0x44: /* GPIO_LEVELDETECT1 */
|
|
|
|
case 0x48: /* GPIO_RISINGDETECT */
|
|
|
|
case 0x4c: /* GPIO_FALLINGDETECT */
|
|
|
|
case 0x50: /* GPIO_DEBOUNCENABLE */
|
|
|
|
case 0x54: /* GPIO_DEBOUNCINGTIME */
|
|
|
|
cur = omap2_gpio_module_read(opaque, addr & ~3) &
|
|
|
|
~(mask << ((addr & 3) << 3));
|
|
|
|
|
|
|
|
/* Fall through. */
|
|
|
|
case 0x18: /* GPIO_IRQSTATUS1 */
|
|
|
|
case 0x28: /* GPIO_IRQSTATUS2 */
|
|
|
|
case 0x60: /* GPIO_CLEARIRQENABLE1 */
|
|
|
|
case 0x64: /* GPIO_SETIRQENABLE1 */
|
|
|
|
case 0x70: /* GPIO_CLEARIRQENABLE2 */
|
|
|
|
case 0x74: /* GPIO_SETIREQNEABLE2 */
|
|
|
|
case 0x80: /* GPIO_CLEARWKUENA */
|
|
|
|
case 0x84: /* GPIO_SETWKUENA */
|
|
|
|
case 0x90: /* GPIO_CLEARDATAOUT */
|
|
|
|
case 0x94: /* GPIO_SETDATAOUT */
|
|
|
|
value <<= (addr & 3) << 3;
|
|
|
|
omap2_gpio_module_write(opaque, addr, cur | value);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
OMAP_BAD_REG(addr);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-11-24 16:32:34 +04:00
|
|
|
static const MemoryRegionOps omap2_gpio_module_ops = {
|
|
|
|
.old_mmio = {
|
|
|
|
.read = {
|
|
|
|
omap2_gpio_module_readp,
|
|
|
|
omap2_gpio_module_readp,
|
|
|
|
omap2_gpio_module_read,
|
|
|
|
},
|
|
|
|
.write = {
|
|
|
|
omap2_gpio_module_writep,
|
|
|
|
omap2_gpio_module_writep,
|
|
|
|
omap2_gpio_module_write,
|
|
|
|
},
|
|
|
|
},
|
|
|
|
.endianness = DEVICE_NATIVE_ENDIAN,
|
2010-05-31 19:54:14 +04:00
|
|
|
};
|
|
|
|
|
2011-07-29 19:35:17 +04:00
|
|
|
static void omap_gpif_reset(DeviceState *dev)
|
2010-05-31 19:54:14 +04:00
|
|
|
{
|
2013-07-26 19:14:40 +04:00
|
|
|
struct omap_gpif_s *s = OMAP1_GPIO(dev);
|
|
|
|
|
2011-07-29 19:35:17 +04:00
|
|
|
omap_gpio_reset(&s->omap1);
|
2010-05-31 19:54:14 +04:00
|
|
|
}
|
|
|
|
|
2011-07-29 19:35:17 +04:00
|
|
|
static void omap2_gpif_reset(DeviceState *dev)
|
2010-05-31 19:54:14 +04:00
|
|
|
{
|
2013-07-26 19:19:36 +04:00
|
|
|
struct omap2_gpif_s *s = OMAP2_GPIO(dev);
|
2010-05-31 19:54:14 +04:00
|
|
|
int i;
|
2013-07-26 19:19:36 +04:00
|
|
|
|
2011-07-29 19:35:17 +04:00
|
|
|
for (i = 0; i < s->modulecount; i++) {
|
|
|
|
omap2_gpio_module_reset(&s->modules[i]);
|
|
|
|
}
|
2010-05-31 19:54:14 +04:00
|
|
|
s->autoidle = 0;
|
|
|
|
s->gpo = 0;
|
|
|
|
}
|
|
|
|
|
2012-10-23 14:30:10 +04:00
|
|
|
static uint64_t omap2_gpif_top_read(void *opaque, hwaddr addr,
|
2011-11-24 16:32:34 +04:00
|
|
|
unsigned size)
|
2010-05-31 19:54:14 +04:00
|
|
|
{
|
2011-07-29 19:35:17 +04:00
|
|
|
struct omap2_gpif_s *s = (struct omap2_gpif_s *) opaque;
|
2010-05-31 19:54:14 +04:00
|
|
|
|
|
|
|
switch (addr) {
|
|
|
|
case 0x00: /* IPGENERICOCPSPL_REVISION */
|
|
|
|
return 0x18;
|
|
|
|
|
|
|
|
case 0x10: /* IPGENERICOCPSPL_SYSCONFIG */
|
|
|
|
return s->autoidle;
|
|
|
|
|
|
|
|
case 0x14: /* IPGENERICOCPSPL_SYSSTATUS */
|
|
|
|
return 0x01;
|
|
|
|
|
|
|
|
case 0x18: /* IPGENERICOCPSPL_IRQSTATUS */
|
|
|
|
return 0x00;
|
|
|
|
|
|
|
|
case 0x40: /* IPGENERICOCPSPL_GPO */
|
|
|
|
return s->gpo;
|
|
|
|
|
|
|
|
case 0x50: /* IPGENERICOCPSPL_GPI */
|
|
|
|
return 0x00;
|
|
|
|
}
|
|
|
|
|
|
|
|
OMAP_BAD_REG(addr);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-10-23 14:30:10 +04:00
|
|
|
static void omap2_gpif_top_write(void *opaque, hwaddr addr,
|
2011-11-24 16:32:34 +04:00
|
|
|
uint64_t value, unsigned size)
|
2010-05-31 19:54:14 +04:00
|
|
|
{
|
2011-07-29 19:35:17 +04:00
|
|
|
struct omap2_gpif_s *s = (struct omap2_gpif_s *) opaque;
|
2010-05-31 19:54:14 +04:00
|
|
|
|
|
|
|
switch (addr) {
|
|
|
|
case 0x00: /* IPGENERICOCPSPL_REVISION */
|
|
|
|
case 0x14: /* IPGENERICOCPSPL_SYSSTATUS */
|
|
|
|
case 0x18: /* IPGENERICOCPSPL_IRQSTATUS */
|
|
|
|
case 0x50: /* IPGENERICOCPSPL_GPI */
|
|
|
|
OMAP_RO_REG(addr);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x10: /* IPGENERICOCPSPL_SYSCONFIG */
|
|
|
|
if (value & (1 << 1)) /* SOFTRESET */
|
2013-07-26 19:19:36 +04:00
|
|
|
omap2_gpif_reset(DEVICE(s));
|
2010-05-31 19:54:14 +04:00
|
|
|
s->autoidle = value & 1;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x40: /* IPGENERICOCPSPL_GPO */
|
|
|
|
s->gpo = value & 1;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
OMAP_BAD_REG(addr);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-11-24 16:32:34 +04:00
|
|
|
static const MemoryRegionOps omap2_gpif_top_ops = {
|
|
|
|
.read = omap2_gpif_top_read,
|
|
|
|
.write = omap2_gpif_top_write,
|
|
|
|
.endianness = DEVICE_NATIVE_ENDIAN,
|
2010-05-31 19:54:14 +04:00
|
|
|
};
|
|
|
|
|
2013-07-26 19:14:40 +04:00
|
|
|
static int omap_gpio_init(SysBusDevice *sbd)
|
2010-05-31 19:54:14 +04:00
|
|
|
{
|
2013-07-26 19:14:40 +04:00
|
|
|
DeviceState *dev = DEVICE(sbd);
|
|
|
|
struct omap_gpif_s *s = OMAP1_GPIO(dev);
|
|
|
|
|
2011-07-29 19:35:17 +04:00
|
|
|
if (!s->clk) {
|
|
|
|
hw_error("omap-gpio: clk not connected\n");
|
|
|
|
}
|
2013-07-26 19:14:40 +04:00
|
|
|
qdev_init_gpio_in(dev, omap_gpio_set, 16);
|
|
|
|
qdev_init_gpio_out(dev, s->omap1.handler, 16);
|
|
|
|
sysbus_init_irq(sbd, &s->omap1.irq);
|
2013-06-07 05:25:08 +04:00
|
|
|
memory_region_init_io(&s->iomem, OBJECT(s), &omap_gpio_ops, &s->omap1,
|
2011-11-24 16:32:34 +04:00
|
|
|
"omap.gpio", 0x1000);
|
2013-07-26 19:14:40 +04:00
|
|
|
sysbus_init_mmio(sbd, &s->iomem);
|
2011-07-29 19:35:17 +04:00
|
|
|
return 0;
|
|
|
|
}
|
2010-05-31 19:54:14 +04:00
|
|
|
|
2013-07-26 19:19:36 +04:00
|
|
|
static int omap2_gpio_init(SysBusDevice *sbd)
|
2011-07-29 19:35:17 +04:00
|
|
|
{
|
2013-07-26 19:19:36 +04:00
|
|
|
DeviceState *dev = DEVICE(sbd);
|
|
|
|
struct omap2_gpif_s *s = OMAP2_GPIO(dev);
|
2011-07-29 19:35:17 +04:00
|
|
|
int i;
|
2013-07-26 19:19:36 +04:00
|
|
|
|
2011-07-29 19:35:17 +04:00
|
|
|
if (!s->iclk) {
|
|
|
|
hw_error("omap2-gpio: iclk not connected\n");
|
|
|
|
}
|
|
|
|
if (s->mpu_model < omap3430) {
|
|
|
|
s->modulecount = (s->mpu_model < omap2430) ? 4 : 5;
|
2013-06-07 05:25:08 +04:00
|
|
|
memory_region_init_io(&s->iomem, OBJECT(s), &omap2_gpif_top_ops, s,
|
2011-11-24 16:32:34 +04:00
|
|
|
"omap2.gpio", 0x1000);
|
2013-07-26 19:19:36 +04:00
|
|
|
sysbus_init_mmio(sbd, &s->iomem);
|
2011-07-29 19:35:17 +04:00
|
|
|
} else {
|
|
|
|
s->modulecount = 6;
|
|
|
|
}
|
arm: Use g_new() & friends where that makes obvious sense
g_new(T, n) is neater than g_malloc(sizeof(T) * n). It's also safer,
for two reasons. One, it catches multiplication overflowing size_t.
Two, it returns T * rather than void *, which lets the compiler catch
more type errors.
This commit only touches allocations with size arguments of the form
sizeof(T).
Coccinelle semantic patch:
@@
type T;
@@
-g_malloc(sizeof(T))
+g_new(T, 1)
@@
type T;
@@
-g_try_malloc(sizeof(T))
+g_try_new(T, 1)
@@
type T;
@@
-g_malloc0(sizeof(T))
+g_new0(T, 1)
@@
type T;
@@
-g_try_malloc0(sizeof(T))
+g_try_new0(T, 1)
@@
type T;
expression n;
@@
-g_malloc(sizeof(T) * (n))
+g_new(T, n)
@@
type T;
expression n;
@@
-g_try_malloc(sizeof(T) * (n))
+g_try_new(T, n)
@@
type T;
expression n;
@@
-g_malloc0(sizeof(T) * (n))
+g_new0(T, n)
@@
type T;
expression n;
@@
-g_try_malloc0(sizeof(T) * (n))
+g_try_new0(T, n)
@@
type T;
expression p, n;
@@
-g_realloc(p, sizeof(T) * (n))
+g_renew(T, p, n)
@@
type T;
expression p, n;
@@
-g_try_realloc(p, sizeof(T) * (n))
+g_try_renew(T, p, n)
@@
type T;
expression n;
@@
-(T *)g_new(T, n)
+g_new(T, n)
@@
type T;
expression n;
@@
-(T *)g_new0(T, n)
+g_new0(T, n)
@@
type T;
expression p, n;
@@
-(T *)g_renew(T, p, n)
+g_renew(T, p, n)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1440524394-15640-1-git-send-email-armbru@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-07 12:39:27 +03:00
|
|
|
s->modules = g_new0(struct omap2_gpio_s, s->modulecount);
|
|
|
|
s->handler = g_new0(qemu_irq, s->modulecount * 32);
|
2013-07-26 19:19:36 +04:00
|
|
|
qdev_init_gpio_in(dev, omap2_gpio_set, s->modulecount * 32);
|
|
|
|
qdev_init_gpio_out(dev, s->handler, s->modulecount * 32);
|
2011-07-29 19:35:17 +04:00
|
|
|
for (i = 0; i < s->modulecount; i++) {
|
|
|
|
struct omap2_gpio_s *m = &s->modules[i];
|
|
|
|
if (!s->fclk[i]) {
|
|
|
|
hw_error("omap2-gpio: fclk%d not connected\n", i);
|
|
|
|
}
|
|
|
|
m->revision = (s->mpu_model < omap3430) ? 0x18 : 0x25;
|
|
|
|
m->handler = &s->handler[i * 32];
|
2013-07-26 19:19:36 +04:00
|
|
|
sysbus_init_irq(sbd, &m->irq[0]); /* mpu irq */
|
|
|
|
sysbus_init_irq(sbd, &m->irq[1]); /* dsp irq */
|
|
|
|
sysbus_init_irq(sbd, &m->wkup);
|
2013-06-07 05:25:08 +04:00
|
|
|
memory_region_init_io(&m->iomem, OBJECT(s), &omap2_gpio_module_ops, m,
|
2011-11-24 16:32:34 +04:00
|
|
|
"omap.gpio-module", 0x1000);
|
2013-07-26 19:19:36 +04:00
|
|
|
sysbus_init_mmio(sbd, &m->iomem);
|
2011-07-29 19:35:17 +04:00
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
2010-05-31 19:54:14 +04:00
|
|
|
|
2011-07-29 19:35:17 +04:00
|
|
|
/* Using qdev pointer properties for the clocks is not ideal.
|
|
|
|
* qdev should support a generic means of defining a 'port' with
|
|
|
|
* an arbitrary interface for connecting two devices. Then we
|
|
|
|
* could reframe the omap clock API in terms of clock ports,
|
|
|
|
* and get some type safety. For now the best qdev provides is
|
|
|
|
* passing an arbitrary pointer.
|
|
|
|
* (It's not possible to pass in the string which is the clock
|
|
|
|
* name, because this device does not have the necessary information
|
|
|
|
* (ie the struct omap_mpu_state_s*) to do the clockname to pointer
|
|
|
|
* translation.)
|
|
|
|
*/
|
2010-05-31 19:54:14 +04:00
|
|
|
|
2012-01-24 23:12:29 +04:00
|
|
|
static Property omap_gpio_properties[] = {
|
|
|
|
DEFINE_PROP_INT32("mpu_model", struct omap_gpif_s, mpu_model, 0),
|
|
|
|
DEFINE_PROP_PTR("clk", struct omap_gpif_s, clk),
|
|
|
|
DEFINE_PROP_END_OF_LIST(),
|
2011-07-29 19:35:17 +04:00
|
|
|
};
|
2010-05-31 19:54:14 +04:00
|
|
|
|
2012-01-24 23:12:29 +04:00
|
|
|
static void omap_gpio_class_init(ObjectClass *klass, void *data)
|
|
|
|
{
|
2011-12-08 07:34:16 +04:00
|
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
2012-01-24 23:12:29 +04:00
|
|
|
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
|
|
|
|
|
|
|
|
k->init = omap_gpio_init;
|
2011-12-08 07:34:16 +04:00
|
|
|
dc->reset = omap_gpif_reset;
|
|
|
|
dc->props = omap_gpio_properties;
|
2013-11-29 13:43:44 +04:00
|
|
|
/* Reason: pointer property "clk" */
|
|
|
|
dc->cannot_instantiate_with_device_add_yet = true;
|
2012-01-24 23:12:29 +04:00
|
|
|
}
|
|
|
|
|
2013-01-10 19:19:07 +04:00
|
|
|
static const TypeInfo omap_gpio_info = {
|
2013-07-26 19:14:40 +04:00
|
|
|
.name = TYPE_OMAP1_GPIO,
|
2011-12-08 07:34:16 +04:00
|
|
|
.parent = TYPE_SYS_BUS_DEVICE,
|
|
|
|
.instance_size = sizeof(struct omap_gpif_s),
|
|
|
|
.class_init = omap_gpio_class_init,
|
2012-01-24 23:12:29 +04:00
|
|
|
};
|
|
|
|
|
|
|
|
static Property omap2_gpio_properties[] = {
|
|
|
|
DEFINE_PROP_INT32("mpu_model", struct omap2_gpif_s, mpu_model, 0),
|
|
|
|
DEFINE_PROP_PTR("iclk", struct omap2_gpif_s, iclk),
|
|
|
|
DEFINE_PROP_PTR("fclk0", struct omap2_gpif_s, fclk[0]),
|
|
|
|
DEFINE_PROP_PTR("fclk1", struct omap2_gpif_s, fclk[1]),
|
|
|
|
DEFINE_PROP_PTR("fclk2", struct omap2_gpif_s, fclk[2]),
|
|
|
|
DEFINE_PROP_PTR("fclk3", struct omap2_gpif_s, fclk[3]),
|
|
|
|
DEFINE_PROP_PTR("fclk4", struct omap2_gpif_s, fclk[4]),
|
|
|
|
DEFINE_PROP_PTR("fclk5", struct omap2_gpif_s, fclk[5]),
|
|
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
|
|
};
|
|
|
|
|
|
|
|
static void omap2_gpio_class_init(ObjectClass *klass, void *data)
|
|
|
|
{
|
2011-12-08 07:34:16 +04:00
|
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
2012-01-24 23:12:29 +04:00
|
|
|
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
|
|
|
|
|
|
|
|
k->init = omap2_gpio_init;
|
2011-12-08 07:34:16 +04:00
|
|
|
dc->reset = omap2_gpif_reset;
|
|
|
|
dc->props = omap2_gpio_properties;
|
2013-11-29 13:43:44 +04:00
|
|
|
/* Reason: pointer properties "iclk", "fclk0", ..., "fclk5" */
|
|
|
|
dc->cannot_instantiate_with_device_add_yet = true;
|
2012-01-24 23:12:29 +04:00
|
|
|
}
|
|
|
|
|
2013-01-10 19:19:07 +04:00
|
|
|
static const TypeInfo omap2_gpio_info = {
|
2013-07-26 19:19:36 +04:00
|
|
|
.name = TYPE_OMAP2_GPIO,
|
2011-12-08 07:34:16 +04:00
|
|
|
.parent = TYPE_SYS_BUS_DEVICE,
|
|
|
|
.instance_size = sizeof(struct omap2_gpif_s),
|
|
|
|
.class_init = omap2_gpio_class_init,
|
2011-07-29 19:35:17 +04:00
|
|
|
};
|
2010-05-31 19:54:14 +04:00
|
|
|
|
2012-02-09 18:20:55 +04:00
|
|
|
static void omap_gpio_register_types(void)
|
2010-05-31 19:54:14 +04:00
|
|
|
{
|
2011-12-08 07:34:16 +04:00
|
|
|
type_register_static(&omap_gpio_info);
|
|
|
|
type_register_static(&omap2_gpio_info);
|
2010-05-31 19:54:14 +04:00
|
|
|
}
|
|
|
|
|
2012-02-09 18:20:55 +04:00
|
|
|
type_init(omap_gpio_register_types)
|