diff options
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rw-r--r-- | hw/i2c/versatile_i2c.c | 17 | ||||
| -rw-r--r-- | include/hw/i2c/arm_sbcon_i2c.h | 35 |
3 files changed, 41 insertions, 12 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index f0cb1fd..f1a74b1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -842,6 +842,7 @@ M: Peter Maydell <peter.maydell@linaro.org> L: qemu-arm@nongnu.org S: Maintained F: hw/*/versatile* +F: include/hw/i2c/arm_sbcon_i2c.h F: hw/misc/arm_sysctl.c F: docs/system/arm/versatile.rst diff --git a/hw/i2c/versatile_i2c.c b/hw/i2c/versatile_i2c.c index 0ce10a1..da8cda2 100644 --- a/hw/i2c/versatile_i2c.c +++ b/hw/i2c/versatile_i2c.c @@ -1,5 +1,6 @@ /* - * ARM Versatile I2C controller + * ARM SBCon two-wire serial bus interface (I2C bitbang) + * a.k.a. ARM Versatile I2C controller * * Copyright (c) 2006-2007 CodeSourcery. * Copyright (c) 2012 Oskar Andero <oskar.andero@gmail.com> @@ -22,24 +23,16 @@ */ #include "qemu/osdep.h" -#include "hw/sysbus.h" -#include "hw/i2c/bitbang_i2c.h" +#include "hw/i2c/arm_sbcon_i2c.h" #include "hw/registerfields.h" #include "qemu/log.h" #include "qemu/module.h" -#define TYPE_VERSATILE_I2C "versatile_i2c" #define VERSATILE_I2C(obj) \ OBJECT_CHECK(VersatileI2CState, (obj), TYPE_VERSATILE_I2C) -typedef struct VersatileI2CState { - SysBusDevice parent_obj; +typedef ArmSbconI2CState VersatileI2CState; - MemoryRegion iomem; - bitbang_i2c_interface bitbang; - int out; - int in; -} VersatileI2CState; REG32(CONTROL_GET, 0) REG32(CONTROL_SET, 0) @@ -99,7 +92,7 @@ static void versatile_i2c_init(Object *obj) bus = i2c_init_bus(dev, "i2c"); bitbang_i2c_init(&s->bitbang, bus); memory_region_init_io(&s->iomem, obj, &versatile_i2c_ops, s, - "versatile_i2c", 0x1000); + "arm_sbcon_i2c", 0x1000); sysbus_init_mmio(sbd, &s->iomem); } diff --git a/include/hw/i2c/arm_sbcon_i2c.h b/include/hw/i2c/arm_sbcon_i2c.h new file mode 100644 index 0000000..5d96507 --- /dev/null +++ b/include/hw/i2c/arm_sbcon_i2c.h @@ -0,0 +1,35 @@ +/* + * ARM SBCon two-wire serial bus interface (I2C bitbang) + * a.k.a. + * ARM Versatile I2C controller + * + * Copyright (c) 2006-2007 CodeSourcery. + * Copyright (c) 2012 Oskar Andero <oskar.andero@gmail.com> + * Copyright (C) 2020 Philippe Mathieu-Daudé <f4bug@amsat.org> + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#ifndef HW_I2C_ARM_SBCON_H +#define HW_I2C_ARM_SBCON_H + +#include "hw/sysbus.h" +#include "hw/i2c/bitbang_i2c.h" + +#define TYPE_VERSATILE_I2C "versatile_i2c" +#define TYPE_ARM_SBCON_I2C TYPE_VERSATILE_I2C + +#define ARM_SBCON_I2C(obj) \ + OBJECT_CHECK(ArmSbconI2CState, (obj), TYPE_ARM_SBCON_I2C) + +typedef struct ArmSbconI2CState { + /*< private >*/ + SysBusDevice parent_obj; + /*< public >*/ + + MemoryRegion iomem; + bitbang_i2c_interface bitbang; + int out; + int in; +} ArmSbconI2CState; + +#endif /* HW_I2C_ARM_SBCON_H */ |