diff options
Diffstat (limited to 'include/linux/mx8_mu.h')
| -rw-r--r-- | include/linux/mx8_mu.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/linux/mx8_mu.h b/include/linux/mx8_mu.h new file mode 100644 index 000000000000..a26d2c6f9b17 --- /dev/null +++ b/include/linux/mx8_mu.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * Copyright 2017 NXP + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#define MU_ATR0_OFFSET1 0x0 +#define MU_ARR0_OFFSET1 0x10 +#define MU_ASR_OFFSET1 0x20 +#define MU_ACR_OFFSET1 0x24 + +/* Registers offsets of the MU Version 1.0 */ +#define MU_V10_VER_OFFSET1 0x0 +#define MU_V10_ATR0_OFFSET1 0x20 +#define MU_V10_ARR0_OFFSET1 0x40 +#define MU_V10_ASR_OFFSET1 0x60 +#define MU_V10_ACR_OFFSET1 0x64 +#define MU_VER_ID_V10 0x0100 /* Version 1.0 */ + +#define MU_TR_COUNT1 4 +#define MU_RR_COUNT1 4 + +#define MU_CR_GIEn_MASK1 (0xF << 28) +#define MU_CR_RIEn_MASK1 (0xF << 24) +#define MU_CR_TIEn_MASK1 (0xF << 20) +#define MU_CR_GIRn_MASK1 (0xF << 16) +#define MU_CR_NMI_MASK1 (1 << 3) +#define MU_CR_Fn_MASK1 0x7 + +#define MU_SR_TE0_MASK1 (1 << 23) +#define MU_SR_RF0_MASK1 (1 << 27) +#define MU_CR_RIE0_MASK1 (1 << 27) +#define MU_CR_GIE0_MASK1 (1 << 31) + +#define MU_TR_COUNT 4 +#define MU_RR_COUNT 4 + + +void MU_Init(void __iomem *base); +void MU_SendMessage(void __iomem *base, uint32_t regIndex, uint32_t msg); +void MU_ReceiveMsg(void __iomem *base, uint32_t regIndex, uint32_t *msg); +void MU_EnableGeneralInt(void __iomem *base, uint32_t index); +void MU_EnableRxFullInt(void __iomem *base, uint32_t index); +uint32_t MU_ReadStatus(void __iomem *base); +int32_t MU_SetFn(void __iomem *base, uint32_t Fn); + |