| /* |
| * TI OMAP processors GPIO emulation. |
| * |
| * Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org> |
| * Copyright (C) 2007-2009 Nokia Corporation |
| * |
| * 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) version 3 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" |
| #include "hw/sysbus.h" |
| |
| struct omap_gpio_s { |
| qemu_irq irq; |
| qemu_irq handler[16]; |
| |
| uint16_t inputs; |
| uint16_t outputs; |
| uint16_t dir; |
| uint16_t edge; |
| uint16_t mask; |
| uint16_t ints; |
| uint16_t pins; |
| }; |
| |
| #define TYPE_OMAP1_GPIO "omap-gpio" |
| #define OMAP1_GPIO(obj) \ |
| OBJECT_CHECK(struct omap_gpif_s, (obj), TYPE_OMAP1_GPIO) |
| |
| struct omap_gpif_s { |
| SysBusDevice parent_obj; |
| |
| MemoryRegion iomem; |
| int mpu_model; |
| void *clk; |
| struct omap_gpio_s omap1; |
| }; |
| |
| /* General-Purpose I/O of OMAP1 */ |
| static void omap_gpio_set(void *opaque, int line, int level) |
| { |
| struct omap_gpio_s *s = &((struct omap_gpif_s *) opaque)->omap1; |
| uint16_t prev = s->inputs; |
| |
| if (level) |
| s->inputs |= 1 << line; |
| else |
| s->inputs &= ~(1 << line); |
| |
| if (((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) & |
| (1 << line) & s->dir & ~s->mask) { |
| s->ints |= 1 << line; |
| qemu_irq_raise(s->irq); |
| } |
| } |
| |
| static uint64_t omap_gpio_read(void *opaque, hwaddr addr, |
| unsigned size) |
| { |
| struct omap_gpio_s *s = (struct omap_gpio_s *) opaque; |
| int offset = addr & OMAP_MPUI_REG_MASK; |
| |
| if (size != 2) { |
| return omap_badwidth_read16(opaque, addr); |
| } |
| |
| switch (offset) { |
| case 0x00: /* DATA_INPUT */ |
| return s->inputs & s->pins; |
| |
| case 0x04: /* DATA_OUTPUT */ |
| return s->outputs; |
| |
| case 0x08: /* DIRECTION_CONTROL */ |
| return s->dir; |
| |
| case 0x0c: /* INTERRUPT_CONTROL */ |
| return s->edge; |
| |
| case 0x10: /* INTERRUPT_MASK */ |
| return s->mask; |
| |
| case 0x14: /* INTERRUPT_STATUS */ |
| return s->ints; |
| |
| case 0x18: /* PIN_CONTROL (not in OMAP310) */ |
| OMAP_BAD_REG(addr); |
| return s->pins; |
| } |
| |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static void omap_gpio_write(void *opaque, hwaddr addr, |
| uint64_t value, unsigned size) |
| { |
| struct omap_gpio_s *s = (struct omap_gpio_s *) opaque; |
| int offset = addr & OMAP_MPUI_REG_MASK; |
| uint16_t diff; |
| int ln; |
| |
| if (size != 2) { |
| omap_badwidth_write16(opaque, addr, value); |
| return; |
| } |
| |
| switch (offset) { |
| case 0x00: /* DATA_INPUT */ |
| OMAP_RO_REG(addr); |
| return; |
| |
| case 0x04: /* DATA_OUTPUT */ |
| diff = (s->outputs ^ value) & ~s->dir; |
| s->outputs = value; |
| while ((ln = ctz32(diff)) != 32) { |
| if (s->handler[ln]) |
| qemu_set_irq(s->handler[ln], (value >> ln) & 1); |
| diff &= ~(1 << ln); |
| } |
| break; |
| |
| case 0x08: /* DIRECTION_CONTROL */ |
| diff = s->outputs & (s->dir ^ value); |
| s->dir = value; |
| |
| value = s->outputs & ~s->dir; |
| while ((ln = ctz32(diff)) != 32) { |
| if (s->handler[ln]) |
| qemu_set_irq(s->handler[ln], (value >> ln) & 1); |
| diff &= ~(1 << ln); |
| } |
| break; |
| |
| case 0x0c: /* INTERRUPT_CONTROL */ |
| s->edge = value; |
| break; |
| |
| case 0x10: /* INTERRUPT_MASK */ |
| s->mask = value; |
| break; |
| |
| case 0x14: /* INTERRUPT_STATUS */ |
| s->ints &= ~value; |
| if (!s->ints) |
| qemu_irq_lower(s->irq); |
| break; |
| |
| case 0x18: /* PIN_CONTROL (not in OMAP310 TRM) */ |
| OMAP_BAD_REG(addr); |
| s->pins = value; |
| break; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| return; |
| } |
| } |
| |
| /* *Some* sources say the memory region is 32-bit. */ |
| static const MemoryRegionOps omap_gpio_ops = { |
| .read = omap_gpio_read, |
| .write = omap_gpio_write, |
| .endianness = DEVICE_NATIVE_ENDIAN, |
| }; |
| |
| static void omap_gpio_reset(struct omap_gpio_s *s) |
| { |
| s->inputs = 0; |
| s->outputs = ~0; |
| s->dir = ~0; |
| s->edge = ~0; |
| s->mask = ~0; |
| s->ints = 0; |
| s->pins = ~0; |
| } |
| |
| struct omap2_gpio_s { |
| qemu_irq irq[2]; |
| qemu_irq wkup; |
| qemu_irq *handler; |
| MemoryRegion iomem; |
| |
| uint8_t revision; |
| uint8_t config[2]; |
| uint32_t inputs; |
| uint32_t outputs; |
| uint32_t dir; |
| uint32_t level[2]; |
| uint32_t edge[2]; |
| uint32_t mask[2]; |
| uint32_t wumask; |
| uint32_t ints[2]; |
| uint32_t debounce; |
| uint8_t delay; |
| }; |
| |
| #define TYPE_OMAP2_GPIO "omap2-gpio" |
| #define OMAP2_GPIO(obj) \ |
| OBJECT_CHECK(struct omap2_gpif_s, (obj), TYPE_OMAP2_GPIO) |
| |
| struct omap2_gpif_s { |
| SysBusDevice parent_obj; |
| |
| MemoryRegion iomem; |
| int mpu_model; |
| void *iclk; |
| void *fclk[6]; |
| int modulecount; |
| struct omap2_gpio_s *modules; |
| qemu_irq *handler; |
| int autoidle; |
| int gpo; |
| }; |
| |
| /* General-Purpose Interface of OMAP2/3 */ |
| static inline void omap2_gpio_module_int_update(struct omap2_gpio_s *s, |
| int line) |
| { |
| qemu_set_irq(s->irq[line], s->ints[line] & s->mask[line]); |
| } |
| |
| static void omap2_gpio_module_wake(struct omap2_gpio_s *s, int line) |
| { |
| if (!(s->config[0] & (1 << 2))) /* ENAWAKEUP */ |
| return; |
| if (!(s->config[0] & (3 << 3))) /* Force Idle */ |
| return; |
| if (!(s->wumask & (1 << line))) |
| return; |
| |
| qemu_irq_raise(s->wkup); |
| } |
| |
| static inline void omap2_gpio_module_out_update(struct omap2_gpio_s *s, |
| uint32_t diff) |
| { |
| int ln; |
| |
| s->outputs ^= diff; |
| diff &= ~s->dir; |
| while ((ln = ctz32(diff)) != 32) { |
| qemu_set_irq(s->handler[ln], (s->outputs >> ln) & 1); |
| diff &= ~(1 << ln); |
| } |
| } |
| |
| static void omap2_gpio_module_level_update(struct omap2_gpio_s *s, int line) |
| { |
| s->ints[line] |= s->dir & |
| ((s->inputs & s->level[1]) | (~s->inputs & s->level[0])); |
| omap2_gpio_module_int_update(s, line); |
| } |
| |
| static inline void omap2_gpio_module_int(struct omap2_gpio_s *s, int line) |
| { |
| s->ints[0] |= 1 << line; |
| omap2_gpio_module_int_update(s, 0); |
| s->ints[1] |= 1 << line; |
| omap2_gpio_module_int_update(s, 1); |
| omap2_gpio_module_wake(s, line); |
| } |
| |
| static void omap2_gpio_set(void *opaque, int line, int level) |
| { |
| struct omap2_gpif_s *p = opaque; |
| struct omap2_gpio_s *s = &p->modules[line >> 5]; |
| |
| line &= 31; |
| if (level) { |
| if (s->dir & (1 << line) & ((~s->inputs & s->edge[0]) | s->level[1])) |
| omap2_gpio_module_int(s, line); |
| s->inputs |= 1 << line; |
| } else { |
| if (s->dir & (1 << line) & ((s->inputs & s->edge[1]) | s->level[0])) |
| omap2_gpio_module_int(s, line); |
| s->inputs &= ~(1 << line); |
| } |
| } |
| |
| static void omap2_gpio_module_reset(struct omap2_gpio_s *s) |
| { |
| s->config[0] = 0; |
| s->config[1] = 2; |
| s->ints[0] = 0; |
| s->ints[1] = 0; |
| s->mask[0] = 0; |
| s->mask[1] = 0; |
| s->wumask = 0; |
| s->dir = ~0; |
| s->level[0] = 0; |
| s->level[1] = 0; |
| s->edge[0] = 0; |
| s->edge[1] = 0; |
| s->debounce = 0; |
| s->delay = 0; |
| } |
| |
| static uint32_t omap2_gpio_module_read(void *opaque, hwaddr addr) |
| { |
| struct omap2_gpio_s *s = (struct omap2_gpio_s *) opaque; |
| |
| switch (addr) { |
| case 0x00: /* GPIO_REVISION */ |
| return s->revision; |
| |
| case 0x10: /* GPIO_SYSCONFIG */ |
| return s->config[0]; |
| |
| case 0x14: /* GPIO_SYSSTATUS */ |
| return 0x01; |
| |
| case 0x18: /* GPIO_IRQSTATUS1 */ |
| return s->ints[0]; |
| |
| case 0x1c: /* GPIO_IRQENABLE1 */ |
| case 0x60: /* GPIO_CLEARIRQENABLE1 */ |
| case 0x64: /* GPIO_SETIRQENABLE1 */ |
| return s->mask[0]; |
| |
| case 0x20: /* GPIO_WAKEUPENABLE */ |
| case 0x80: /* GPIO_CLEARWKUENA */ |
| case 0x84: /* GPIO_SETWKUENA */ |
| return s->wumask; |
| |
| case 0x28: /* GPIO_IRQSTATUS2 */ |
| return s->ints[1]; |
| |
| 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; |
| } |
| |
| static void omap2_gpio_module_write(void *opaque, hwaddr addr, |
| 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; |
| while ((ln = ctz32(diff)) != 32) { |
| diff &= ~(1 << ln); |
| 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; |
| } |
| } |
| |
| static uint32_t omap2_gpio_module_readp(void *opaque, hwaddr addr) |
| { |
| return omap2_gpio_module_read(opaque, addr & ~3) >> ((addr & 3) << 3); |
| } |
| |
| static void omap2_gpio_module_writep(void *opaque, hwaddr addr, |
| 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; |
| } |
| } |
| |
| 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, |
| }; |
| |
| static void omap_gpif_reset(DeviceState *dev) |
| { |
| struct omap_gpif_s *s = OMAP1_GPIO(dev); |
| |
| omap_gpio_reset(&s->omap1); |
| } |
| |
| static void omap2_gpif_reset(DeviceState *dev) |
| { |
| struct omap2_gpif_s *s = OMAP2_GPIO(dev); |
| int i; |
| |
| for (i = 0; i < s->modulecount; i++) { |
| omap2_gpio_module_reset(&s->modules[i]); |
| } |
| s->autoidle = 0; |
| s->gpo = 0; |
| } |
| |
| static uint64_t omap2_gpif_top_read(void *opaque, hwaddr addr, |
| unsigned size) |
| { |
| struct omap2_gpif_s *s = (struct omap2_gpif_s *) opaque; |
| |
| 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; |
| } |
| |
| static void omap2_gpif_top_write(void *opaque, hwaddr addr, |
| uint64_t value, unsigned size) |
| { |
| struct omap2_gpif_s *s = (struct omap2_gpif_s *) opaque; |
| |
| 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 */ |
| omap2_gpif_reset(DEVICE(s)); |
| s->autoidle = value & 1; |
| break; |
| |
| case 0x40: /* IPGENERICOCPSPL_GPO */ |
| s->gpo = value & 1; |
| break; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| return; |
| } |
| } |
| |
| static const MemoryRegionOps omap2_gpif_top_ops = { |
| .read = omap2_gpif_top_read, |
| .write = omap2_gpif_top_write, |
| .endianness = DEVICE_NATIVE_ENDIAN, |
| }; |
| |
| static int omap_gpio_init(SysBusDevice *sbd) |
| { |
| DeviceState *dev = DEVICE(sbd); |
| struct omap_gpif_s *s = OMAP1_GPIO(dev); |
| |
| if (!s->clk) { |
| hw_error("omap-gpio: clk not connected\n"); |
| } |
| 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); |
| memory_region_init_io(&s->iomem, OBJECT(s), &omap_gpio_ops, &s->omap1, |
| "omap.gpio", 0x1000); |
| sysbus_init_mmio(sbd, &s->iomem); |
| return 0; |
| } |
| |
| static int omap2_gpio_init(SysBusDevice *sbd) |
| { |
| DeviceState *dev = DEVICE(sbd); |
| struct omap2_gpif_s *s = OMAP2_GPIO(dev); |
| int i; |
| |
| if (!s->iclk) { |
| hw_error("omap2-gpio: iclk not connected\n"); |
| } |
| if (s->mpu_model < omap3430) { |
| s->modulecount = (s->mpu_model < omap2430) ? 4 : 5; |
| memory_region_init_io(&s->iomem, OBJECT(s), &omap2_gpif_top_ops, s, |
| "omap2.gpio", 0x1000); |
| sysbus_init_mmio(sbd, &s->iomem); |
| } else { |
| s->modulecount = 6; |
| } |
| s->modules = g_new0(struct omap2_gpio_s, s->modulecount); |
| s->handler = g_new0(qemu_irq, s->modulecount * 32); |
| qdev_init_gpio_in(dev, omap2_gpio_set, s->modulecount * 32); |
| qdev_init_gpio_out(dev, s->handler, s->modulecount * 32); |
| 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]; |
| sysbus_init_irq(sbd, &m->irq[0]); /* mpu irq */ |
| sysbus_init_irq(sbd, &m->irq[1]); /* dsp irq */ |
| sysbus_init_irq(sbd, &m->wkup); |
| memory_region_init_io(&m->iomem, OBJECT(s), &omap2_gpio_module_ops, m, |
| "omap.gpio-module", 0x1000); |
| sysbus_init_mmio(sbd, &m->iomem); |
| } |
| return 0; |
| } |
| |
| /* 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.) |
| */ |
| |
| 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(), |
| }; |
| |
| static void omap_gpio_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
| |
| k->init = omap_gpio_init; |
| dc->reset = omap_gpif_reset; |
| dc->props = omap_gpio_properties; |
| /* Reason: pointer property "clk" */ |
| dc->cannot_instantiate_with_device_add_yet = true; |
| } |
| |
| static const TypeInfo omap_gpio_info = { |
| .name = TYPE_OMAP1_GPIO, |
| .parent = TYPE_SYS_BUS_DEVICE, |
| .instance_size = sizeof(struct omap_gpif_s), |
| .class_init = omap_gpio_class_init, |
| }; |
| |
| 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) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
| |
| k->init = omap2_gpio_init; |
| dc->reset = omap2_gpif_reset; |
| dc->props = omap2_gpio_properties; |
| /* Reason: pointer properties "iclk", "fclk0", ..., "fclk5" */ |
| dc->cannot_instantiate_with_device_add_yet = true; |
| } |
| |
| static const TypeInfo omap2_gpio_info = { |
| .name = TYPE_OMAP2_GPIO, |
| .parent = TYPE_SYS_BUS_DEVICE, |
| .instance_size = sizeof(struct omap2_gpif_s), |
| .class_init = omap2_gpio_class_init, |
| }; |
| |
| static void omap_gpio_register_types(void) |
| { |
| type_register_static(&omap_gpio_info); |
| type_register_static(&omap2_gpio_info); |
| } |
| |
| type_init(omap_gpio_register_types) |