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-rw-r--r--qemu/hw/i2c/versatile_i2c.c114
1 files changed, 0 insertions, 114 deletions
diff --git a/qemu/hw/i2c/versatile_i2c.c b/qemu/hw/i2c/versatile_i2c.c
deleted file mode 100644
index fee3bc761..000000000
--- a/qemu/hw/i2c/versatile_i2c.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * ARM Versatile I2C controller
- *
- * Copyright (c) 2006-2007 CodeSourcery.
- * Copyright (c) 2012 Oskar Andero <oskar.andero@gmail.com>
- *
- * This file is derived from hw/realview.c by Paul Brook
- *
- * 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
- * of the License, or (at your option) any later version.
- *
- * 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 "qemu/osdep.h"
-#include "hw/sysbus.h"
-#include "bitbang_i2c.h"
-
-#define TYPE_VERSATILE_I2C "versatile_i2c"
-#define VERSATILE_I2C(obj) \
- OBJECT_CHECK(VersatileI2CState, (obj), TYPE_VERSATILE_I2C)
-
-typedef struct VersatileI2CState {
- SysBusDevice parent_obj;
-
- MemoryRegion iomem;
- bitbang_i2c_interface *bitbang;
- int out;
- int in;
-} VersatileI2CState;
-
-static uint64_t versatile_i2c_read(void *opaque, hwaddr offset,
- unsigned size)
-{
- VersatileI2CState *s = (VersatileI2CState *)opaque;
-
- if (offset == 0) {
- return (s->out & 1) | (s->in << 1);
- } else {
- qemu_log_mask(LOG_GUEST_ERROR,
- "%s: Bad offset 0x%x\n", __func__, (int)offset);
- return -1;
- }
-}
-
-static void versatile_i2c_write(void *opaque, hwaddr offset,
- uint64_t value, unsigned size)
-{
- VersatileI2CState *s = (VersatileI2CState *)opaque;
-
- switch (offset) {
- case 0:
- s->out |= value & 3;
- break;
- case 4:
- s->out &= ~value;
- break;
- default:
- qemu_log_mask(LOG_GUEST_ERROR,
- "%s: Bad offset 0x%x\n", __func__, (int)offset);
- }
- bitbang_i2c_set(s->bitbang, BITBANG_I2C_SCL, (s->out & 1) != 0);
- s->in = bitbang_i2c_set(s->bitbang, BITBANG_I2C_SDA, (s->out & 2) != 0);
-}
-
-static const MemoryRegionOps versatile_i2c_ops = {
- .read = versatile_i2c_read,
- .write = versatile_i2c_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static int versatile_i2c_init(SysBusDevice *sbd)
-{
- DeviceState *dev = DEVICE(sbd);
- VersatileI2CState *s = VERSATILE_I2C(dev);
- I2CBus *bus;
-
- bus = i2c_init_bus(dev, "i2c");
- s->bitbang = bitbang_i2c_init(bus);
- memory_region_init_io(&s->iomem, OBJECT(s), &versatile_i2c_ops, s,
- "versatile_i2c", 0x1000);
- sysbus_init_mmio(sbd, &s->iomem);
- return 0;
-}
-
-static void versatile_i2c_class_init(ObjectClass *klass, void *data)
-{
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
- k->init = versatile_i2c_init;
-}
-
-static const TypeInfo versatile_i2c_info = {
- .name = TYPE_VERSATILE_I2C,
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(VersatileI2CState),
- .class_init = versatile_i2c_class_init,
-};
-
-static void versatile_i2c_register_types(void)
-{
- type_register_static(&versatile_i2c_info);
-}
-
-type_init(versatile_i2c_register_types)