pinebuds/platform/hal/reg_spi.h
2022-08-15 17:20:27 +08:00

112 lines
4 KiB
C

/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#ifndef __REG_SPI_H__
#define __REG_SPI_H__
#include "plat_types.h"
struct SPI_T
{
__IO uint32_t SSPCR0; //0x00000000
__IO uint32_t SSPCR1; //0x00000004
__IO uint32_t SSPDR; //0x00000008
__I uint32_t SSPSR; //0x0000000C
__IO uint32_t SSPCPSR; //0x00000010
__IO uint32_t SSPIMSC; //0x00000014
__I uint32_t SSPRIS; //0x00000018
__I uint32_t SSPMIS; //0x0000001C
__O uint32_t SSPICR; //0x00000020
__IO uint32_t SSPDMACR; //0x00000024
uint32_t reserved[0x18]; //0x00000028
__IO uint32_t SSPRXCR; //0x00000088
};
#define MAX_SCR (0xFF)
#define MIN_SCR (0)
#define MAX_DATA_BITS (32)
#define MIN_DATA_BITS (4)
#define SPI_SSPCR0_DSS(n) (((n) & 0x1F) << 16)
#define SPI_SSPCR0_DSS_MASK (0x1F << 16)
#define SPI_SSPCR0_DSS_SHIFT (16)
#define SPI_SSPCR0_SCR(n) (((n) & 0xFF) << 8)
#define SPI_SSPCR0_SCR_MASK (0xFF << 8)
#define SPI_SSPCR0_SCR_SHIFT (8)
#define SPI_SSPCR0_SPH (1 << 7)
#define SPI_SSPCR0_SPO (1 << 6)
#define SPI_SSPCR0_FRF(n) (((n) & 3) << 4)
#define SPI_SSPCR0_FRF_MASK (3 << 4)
#define SPI_SSPCR0_FRF_SHIFT (4)
#if (CHIP_SPI_VER >= 4)
#define SPI_RX_SEL_EN (1 << 11)
#define SPI_SLAVE_ID_SHIFT (7)
#define SPI_SLAVE_ID_MASK (0xF << SPI_SLAVE_ID_SHIFT)
#define SPI_SLAVE_ID(n) BITFIELD_VAL(SPI_SLAVE_ID, n)
#else
#define SPI_RX_SEL_EN (1 << 9)
#define SPI_SLAVE_ID_SHIFT (7)
#define SPI_SLAVE_ID_MASK (3 << SPI_SLAVE_ID_SHIFT)
#define SPI_SLAVE_ID(n) BITFIELD_VAL(SPI_SLAVE_ID, n)
#endif
#define SPI_LCD_DC_DATA (1 << 4)
#define SPI_SSPCR1_SOD (1 << 3)
#define SPI_SSPCR1_MS (1 << 2)
#define SPI_SSPCR1_SSE (1 << 1)
#define SPI_SSPCR1_LBM (1 << 0)
#define SPI_SSPSR_BSY (1 << 4)
#define SPI_SSPSR_RFF (1 << 3)
#define SPI_SSPSR_RNE (1 << 2)
#define SPI_SSPSR_TNF (1 << 1)
#define SPI_SSPSR_TFE (1 << 0)
#define MAX_CPSDVSR (0xFE)
#define MIN_CPSDVSR (2)
#define SPI_SSPCPSR_CPSDVSR(n) (((n) & 0xFF) << 0)
#define SPI_SSPCPSR_CPSDVSR_MASK (0xFF << 0)
#define SPI_SSPCPSR_CPSDVSR_SHIFT (0)
#define SPI_SSPIMSC_TXIM (1 << 3)
#define SPI_SSPIMSC_RXIM (1 << 2)
#define SPI_SSPIMSC_RTIM (1 << 1)
#define SPI_SSPIMSC_RORIM (1 << 0)
#define SPI_SSPRIS_TXRIS (1 << 3)
#define SPI_SSPRIS_RXRIS (1 << 2)
#define SPI_SSPRIS_RTRIS (1 << 1)
#define SPI_SSPRIS_RORRIS (1 << 0)
#define SPI_SSPMIS_TXMIS (1 << 3)
#define SPI_SSPMIS_RXMIS (1 << 2)
#define SPI_SSPMIS_RTMIS (1 << 1)
#define SPI_SSPMIS_RORMIS (1 << 0)
#define SPI_SSPICR_RTIC (1 << 1)
#define SPI_SSPICR_RORIC (1 << 0)
#define SPI_SSPDMACR_TXDMAE (1 << 1)
#define SPI_SSPDMACR_RXDMAE (1 << 0)
#define SPI_SSPRXCR_EN (1 << 6)
#define SPI_SSPRXCR_OEN_POLARITY (1 << 5)
#define SPI_SSPRXCR_RXBITS(n) (((n) & 0x1F) << 0)
#define SPI_SSPRXCR_RXBITS_MASK (0x1F << 0)
#define SPI_SSPRXCR_RXBITS_SHIFT (0)
#endif