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hw/gpio: Add BCM2838 GPIO stub

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Signed-off-by: Sergey Kambalin <sergey.kambalin@auriga.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240226000259.2752893-7-sergey.kambalin@auriga.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Sergey Kambalin 2024-02-25 18:02:24 -06:00 • committed by Peter Maydell
parent 96b22ee585
commit 23c82c1daf
3 changed files with 197 additions and 1 deletions
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40
include/hw/gpio/bcm2838_gpio.h Normal file
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/*
* Raspberry Pi (BCM2838) GPIO Controller
* This implementation is based on bcm2835_gpio (hw/gpio/bcm2835_gpio.c)
*
* Copyright (c) 2022 Auriga LLC
*
* Authors:
* Lotosh, Aleksey <aleksey.lotosh@auriga.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef BCM2838_GPIO_H
#define BCM2838_GPIO_H
#include "hw/sysbus.h"
#include "qom/object.h"
#define TYPE_BCM2838_GPIO "bcm2838-gpio"
OBJECT_DECLARE_SIMPLE_TYPE(BCM2838GpioState, BCM2838_GPIO)
#define BCM2838_GPIO_REGS_SIZE 0x1000
#define BCM2838_GPIO_NUM 58
#define GPIO_PUP_PDN_CNTRL_NUM 4
struct BCM2838GpioState {
SysBusDevice parent_obj;
MemoryRegion iomem;
uint8_t fsel[BCM2838_GPIO_NUM];
uint32_t lev0, lev1;
uint8_t sd_fsel;
qemu_irq out[BCM2838_GPIO_NUM];
uint32_t pup_cntrl_reg[GPIO_PUP_PDN_CNTRL_NUM];
};
#endif