diff options
Diffstat (limited to 'src/ec/kontron/kempld/kempld_internal.h')
| -rw-r--r-- | src/ec/kontron/kempld/kempld_internal.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/ec/kontron/kempld/kempld_internal.h b/src/ec/kontron/kempld/kempld_internal.h new file mode 100644 index 0000000000..93351ce772 --- /dev/null +++ b/src/ec/kontron/kempld/kempld_internal.h @@ -0,0 +1,46 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2017 secunet Security Networks AG + * + * 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; version 2 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. + */ + +#ifndef EC_KONTRON_KEMPLD_INTERNAL_H +#define EC_KONTRON_KEMPLD_INTERNAL_H + +#include <device/device.h> + +/* i/o ports */ +#define KEMPLD_IDX 0xa80 +#define KEMPLD_MUTEX_KEY 0x80 +#define KEMPLD_DAT 0xa81 + +/* indexed registers */ +#define KEMPLD_SPEC 0x06 +#define KEMPLD_SPEC_GET_MINOR(x) (x & 0x0f) +#define KEMPLD_SPEC_GET_MAJOR(x) (x >> 4 & 0x0f) + +#define KEMPLD_CFG 0x37 +#define KEMPLD_CFG_GPIO_I2C_MUX (1 << 0) + +#define KEMPLD_UART_0 0x30 +#define KEMPLD_UART_1 0x31 +#define KEMPLD_UART_IRQ_SHIFT 0 +#define KEMPLD_UART_IRQ_MASK (0xf << KEMPLD_UART_IRQ_SHIFT) +#define KEMPLD_UART_IO_SHIFT 4 +#define KEMPLD_UART_IO_MASK (0x3 << KEMPLD_UART_IO_SHIFT) +#define KEMPLD_UART_ENABLE 0x80 + +#define KEMPLD_CLK 33333333 /* 33MHz */ + +void kempld_i2c_device_init(struct device *const dev); + +#endif /* EC_KONTRON_KEMPLD_INTERNAL_H */ |