From 39558535f2ac52ae6d159d847dd1b4bd472774fd Mon Sep 17 00:00:00 2001 From: zyh Date: Fri, 20 Apr 2018 11:48:04 +0800 Subject: [PATCH] [Bsp][Tina]Add spi driver --- bsp/allwinner_tina/drivers/Kconfig | 17 +- bsp/allwinner_tina/drivers/spi/SConscript | 9 + bsp/allwinner_tina/drivers/spi/drv_spi.c | 793 ++++++++++++++++++ bsp/allwinner_tina/drivers/spi/drv_spi.h | 428 ++++++++++ .../drivers/spi/drv_spi_flash.c | 80 ++ 5 files changed, 1326 insertions(+), 1 deletion(-) create mode 100644 bsp/allwinner_tina/drivers/spi/SConscript create mode 100644 bsp/allwinner_tina/drivers/spi/drv_spi.c create mode 100644 bsp/allwinner_tina/drivers/spi/drv_spi.h create mode 100644 bsp/allwinner_tina/drivers/spi/drv_spi_flash.c diff --git a/bsp/allwinner_tina/drivers/Kconfig b/bsp/allwinner_tina/drivers/Kconfig index 1fd2393cc9..e5ce892e29 100644 --- a/bsp/allwinner_tina/drivers/Kconfig +++ b/bsp/allwinner_tina/drivers/Kconfig @@ -19,4 +19,19 @@ config TINA_USING_SDIO0 bool "Using SDIO0" select RT_USING_SDIO default y - \ No newline at end of file + +config TINA_USING_SPI0 + bool "Using spi0" + select RT_USING_SPI + default y + +config TINA_USING_SPI1 + bool "Using spi1" + select RT_USING_SPI + default y + +config TINA_USING_SPI_FLASH + bool "Using flash" + select TINA_USING_SPI0 + select RT_USING_SFUD + default y diff --git a/bsp/allwinner_tina/drivers/spi/SConscript b/bsp/allwinner_tina/drivers/spi/SConscript new file mode 100644 index 0000000000..6995b9ebda --- /dev/null +++ b/bsp/allwinner_tina/drivers/spi/SConscript @@ -0,0 +1,9 @@ +from building import * + +cwd = GetCurrentDir() +src = Glob('*.c') +CPPPATH = [cwd, str(Dir('#'))] + +group = DefineGroup('spi', src, depend = [''], CPPPATH = CPPPATH) + +Return('group') diff --git a/bsp/allwinner_tina/drivers/spi/drv_spi.c b/bsp/allwinner_tina/drivers/spi/drv_spi.c new file mode 100644 index 0000000000..9f01878ae3 --- /dev/null +++ b/bsp/allwinner_tina/drivers/spi/drv_spi.c @@ -0,0 +1,793 @@ +/* + * File : drv_spi.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2017, RT-Thread Development Team + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Change Logs: + * Date Author Notes + * 2017-08-30 tanek first implementation. + */ + +#include +#include +#include +#include + +#include "drv_spi.h" +#include "drv_gpio.h" +#include "drv_clock.h" + +#define SPI_BUS_MAX_CLK (30 * 1000 * 1000) + +#define DBG_ENABLE +#define DBG_SECTION_NAME "[SPI]" +#define DBG_LEVEL DBG_WARNING +#define DBG_COLOR +#include + +#ifdef RT_USING_SPI + +//#define DEBUG + +#define ARR_LEN(__N) (sizeof(__N) / sizeof(__N[0])) + +#ifdef DEBUG +#define DEBUG_PRINTF(...) rt_kprintf(__VA_ARGS__) +#else +#define DEBUG_PRINTF(...) +#endif + + +#define __SPI_STATIC_INLINE__ rt_inline + +/* + * @brief Hardware Layer Interface + */ +__SPI_STATIC_INLINE__ +rt_uint32_t SPI_GetVersion(SPI_T *spi) +{ + return spi->VER; +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_Reset(SPI_T *spi) +{ + HAL_SET_BIT(spi->CTRL, SPI_CTRL_RST_MASK); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_SetMode(SPI_T *spi, SPI_CTRL_Mode mode) +{ + HAL_MODIFY_REG(spi->CTRL, SPI_CTRL_MODE_MASK, mode); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_Enable(SPI_T *spi) +{ + HAL_SET_BIT(spi->CTRL, SPI_CTRL_EN_MASK); +} + +__SPI_STATIC_INLINE__ +void SPI_Disable(SPI_T *spi) +{ + HAL_CLR_BIT(spi->CTRL, SPI_CTRL_EN_MASK); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_StartTransmit(SPI_T *spi) +{ + HAL_SET_BIT(spi->TCTRL, SPI_TCTRL_XCH_MASK); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_SetFirstTransmitBit(SPI_T *spi, SPI_TCTRL_Fbs bit) +{ + HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_FBS_MASK, bit); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_EnableRapidsMode(SPI_T *spi, bool delay_sample) +{ + HAL_SET_BIT(spi->TCTRL, SPI_TCTRL_RPSM_MASK); + HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_SDC_MASK, delay_sample << SPI_TCTRL_SDC_SHIFT); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_DisableRapidsMode(SPI_T *spi) +{ + HAL_CLR_BIT(spi->TCTRL, SPI_TCTRL_RPSM_MASK); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_SetDuplex(SPI_T *spi, SPI_TCTRL_DHB_Duplex duplex) +{ + HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_DHB_MASK, duplex); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_SetCsLevel(SPI_T *spi, bool level) +{ + HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_SS_LEVEL_MASK, level << SPI_TCTRL_SS_LEVEL_SHIFT); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_ManualChipSelect(SPI_T *spi, SPI_TCTRL_SS_Sel cs) +{ + HAL_SET_BIT(spi->TCTRL, SPI_TCTRL_SS_OWNER_MASK); + HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_SS_SEL_MASK, cs); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_AutoChipSelect(SPI_T *spi, SPI_TCTRL_SS_Sel cs, bool cs_remain) +{ + HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_SS_SEL_MASK, cs); + HAL_CLR_BIT(spi->TCTRL, SPI_TCTRL_SS_OWNER_MASK); + HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_SS_CTL_MASK, (!cs_remain) << SPI_TCTRL_SS_CTL_SHIFT); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_SetCsIdle(SPI_T *spi, bool idle) +{ + HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_SPOL_MASK, (!!idle) << SPI_TCTRL_SPOL_SHIFT); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_SetSclkMode(SPI_T *spi, SPI_SCLK_Mode mode) +{ + HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_CPOL_MASK | SPI_TCTRL_CPHA_MASK, mode); +} + +typedef enum +{ + SPI_INT_CS_DESELECT = SPI_IER_SS_INT_EN_MASK, + SPI_INT_TRANSFER_COMPLETE = SPI_IER_TC_INT_EN_MASK, + SPI_INT_TXFIFO_UNDER_RUN = SPI_IER_TF_UDR_INT_EN_MASK, + SPI_INT_TXFIFO_OVERFLOW = SPI_IER_TF_OVF_INT_EN_MASK, + SPI_INT_RXFIFO_UNDER_RUN = SPI_IER_RF_UDR_INT_EN_MASK, + SPI_INT_RXFIFO_OVERFLOW = SPI_IER_RF_OVF_INT_EN_MASK, + SPI_INT_TXFIFO_FULL = SPI_IER_TF_FUL_INT_EN_MASK, + SPI_INT_TXFIFO_EMPTY = SPI_IER_TX_EMP_INT_EN_MASK, + SPI_INT_TXFIFO_READY = SPI_IER_TX_ERQ_INT_EN_MASK, + SPI_INT_RXFIFO_FULL = SPI_IER_RF_FUL_INT_EN_MASK, + SPI_INT_RXFIFO_EMPTY = SPI_IER_RX_EMP_INT_EN_MASK, + SPI_INT_RXFIFO_READY = SPI_IER_RF_RDY_INT_EN_MASK +} SPI_Int_Type; + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_EnableInt(SPI_T *spi, SPI_Int_Type type) +{ + HAL_SET_BIT(spi->IER, type); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_DisableInt(SPI_T *spi, SPI_Int_Type type) +{ + HAL_CLR_BIT(spi->IER, type); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +bool SPI_IntState(SPI_T *spi, SPI_Int_Type type) +{ + return !!HAL_GET_BIT(spi->STA, type); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +bool SPI_ClearInt(SPI_T *spi, SPI_Int_Type type) +{ + HAL_SET_BIT(spi->STA, type); + return HAL_GET_BIT(spi->STA, type); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_DebugReadTx(SPI_T *spi, rt_uint32_t *data) +{ + // tbc... +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_DebugWriteRx(SPI_T *spi, rt_uint32_t *data) +{ + // tbc... +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_ResetTxFifo(SPI_T *spi) +{ + HAL_SET_BIT(spi->FCTL, SPI_FCTL_TF_RST_MASK); + while (HAL_GET_BIT(spi->FCTL, SPI_FCTL_TF_RST_MASK) != 0); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_ResetRxFifo(SPI_T *spi) +{ + HAL_SET_BIT(spi->FCTL, SPI_FCTL_RF_RST_MASK); + while (HAL_GET_BIT(spi->FCTL, SPI_FCTL_RF_RST_MASK) != 0); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_DMA(SPI_T *spi, bool txEn, bool rxEn) +{ + HAL_MODIFY_REG(spi->FCTL, + SPI_FCTL_TF_DRQ_EN_MASK | SPI_FCTL_RF_DRQ_EN_MASK, + ((!!txEn) << SPI_FCTL_TF_DRQ_EN_SHIFT) | ((!!rxEn) << SPI_FCTL_RF_DRQ_EN_SHIFT)); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_SetTxFifoThreshold(SPI_T *spi, uint8_t threshold) +{ + HAL_MODIFY_REG(spi->FCTL, SPI_FCTL_TX_TRIG_LEVEL_MASK, threshold << SPI_FCTL_TX_TRIG_LEVEL_SHIFT); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_SetRxFifoThreshold(SPI_T *spi, uint8_t threshold) +{ + HAL_MODIFY_REG(spi->FCTL, SPI_FCTL_RX_TRIG_LEVEL_MASK, threshold << SPI_FCTL_RX_TRIG_LEVEL_SHIFT); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +uint8_t SPI_GetTxFifoCounter(SPI_T *spi) +{ + return (uint8_t)((spi->FST & SPI_FST_TF_CNT_MASK) >> SPI_FST_TF_CNT_SHIFT); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +uint8_t SPI_GetRxFifoCounter(SPI_T *spi) +{ + return (uint8_t)((spi->FST & SPI_FST_RF_CNT_MASK) >> SPI_FST_RF_CNT_SHIFT); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_EnableDualMode(SPI_T *spi) +{ + HAL_SET_BIT(spi->BCC, SPI_BCC_DRM_MASK); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_DisableDualMode(SPI_T *spi) +{ + HAL_CLR_BIT(spi->BCC, SPI_BCC_DRM_MASK); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_SetInterval(SPI_T *spi, uint16_t nSCLK) +{ + HAL_MODIFY_REG(spi->WAIT, SPI_WAIT_WCC_MASK, nSCLK << SPI_WAIT_WCC_SHIFT); +} + +/* + * @brief + */ +static void SPI_SetClkDiv(SPI_T *spi, uint16_t div) +{ + uint8_t n = 0; + if (div < 1) + { + return; + } + + if (div > 2 * (0xFF + 1)) + { + HAL_CLR_BIT(spi->CCTR, SPI_CCTR_DRS_MASK); + do + { + div = (div == 1) ? 0 : ((div + 1) / 2); + n++; + } + while (div); + + HAL_MODIFY_REG(spi->CCTR, SPI_CCTR_CDR1_MASK, (n & 0x0F) << SPI_CCTR_CDR1_SHIFT); + } + else + { + HAL_SET_BIT(spi->CCTR, SPI_CCTR_DRS_MASK); + n = ((div + 1) / 2) - 1; + HAL_MODIFY_REG(spi->CCTR, SPI_CCTR_CDR2_MASK, (n & 0xFF) << SPI_CCTR_CDR2_SHIFT); + } +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_SetDataSize(SPI_T *spi, rt_uint32_t data_size, rt_uint32_t dummy_size) +{ + HAL_MODIFY_REG(spi->BC, SPI_BC_MBC_MASK, data_size + dummy_size); + HAL_MODIFY_REG(spi->TC, SPI_TC_MWTC_MASK, data_size); + HAL_MODIFY_REG(spi->BCC, SPI_BCC_STC_MASK, data_size); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_Write(SPI_T *spi, uint8_t *data) +{ + HAL_REG_8BIT(&spi->TXD) = *data; +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +void SPI_Read(SPI_T *spi, uint8_t *data) +{ + *data = HAL_REG_8BIT(&spi->RXD); +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +uint8_t *SPI_TxAddress(SPI_T *spi) +{ + return (uint8_t *)&spi->TXD; +} + +/* + * @brief + */ +__SPI_STATIC_INLINE__ +uint8_t *SPI_RxAddress(SPI_T *spi) +{ + return (uint8_t *)&spi->RXD; +} + +/* private rt-thread spi ops function */ +static rt_err_t configure(struct rt_spi_device *device, struct rt_spi_configuration *configuration); +static rt_uint32_t xfer(struct rt_spi_device *device, struct rt_spi_message *message); + +static struct rt_spi_ops tina_spi_ops = +{ + configure, + xfer +}; + +static rt_err_t configure(struct rt_spi_device *device, + struct rt_spi_configuration *configuration) +{ + struct rt_spi_bus *spi_bus = (struct rt_spi_bus *)device->bus; + struct tina_spi_cs *tina_spi_cs = device->parent.user_data; + struct tina_spi *_spi_info = (struct tina_spi *)spi_bus->parent.user_data; + SPI_T *spi = _spi_info->spi; + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + RT_ASSERT(device != RT_NULL); + RT_ASSERT(configuration != RT_NULL); + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + DEBUG_PRINTF("spi address: %08X\n", (rt_uint32_t)spi); + + SPI_Disable(spi); + SPI_Reset(spi); + SPI_ResetRxFifo(spi); + SPI_ResetTxFifo(spi); + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + /* data_width */ + if (configuration->data_width != 8) + { + DEBUG_PRINTF("error: data_width is %d\n", configuration->data_width); + return RT_EIO; + } + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + SPI_SetDuplex(spi, SPI_TCTRL_DHB_FULL_DUPLEX); + SPI_SetMode(spi, SPI_CTRL_MODE_MASTER); + + /* MSB or LSB */ + if (configuration->mode & RT_SPI_MSB) + { + SPI_SetFirstTransmitBit(spi, SPI_TCTRL_FBS_MSB); + } + else + { + SPI_SetFirstTransmitBit(spi, SPI_TCTRL_FBS_LSB); + } + + switch (configuration->mode) + { + case RT_SPI_MODE_0: + SPI_SetSclkMode(spi, SPI_SCLK_Mode0); + break; + case RT_SPI_MODE_1: + SPI_SetSclkMode(spi, SPI_SCLK_Mode1); + break; + case RT_SPI_MODE_2: + SPI_SetSclkMode(spi, SPI_SCLK_Mode2); + break; + case RT_SPI_MODE_3: + SPI_SetSclkMode(spi, SPI_SCLK_Mode3); + break; + } + + /* baudrate */ + { + unsigned int spi_clock = 0; + rt_uint32_t max_hz; + rt_uint32_t div; + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + max_hz = configuration->max_hz; + + if (max_hz > SPI_BUS_MAX_CLK) + { + max_hz = SPI_BUS_MAX_CLK; + } + spi_clock = ahb_get_clk(); + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + div = (spi_clock + max_hz - 1) / max_hz; + + dbg_log(DBG_LOG, "configuration->max_hz: %d\n", configuration->max_hz); + dbg_log(DBG_LOG, "max freq: %d\n", max_hz); + dbg_log(DBG_LOG, "spi_clock: %d\n", spi_clock); + dbg_log(DBG_LOG, "div: %d\n", div); + + SPI_SetClkDiv(spi, div / 2); + } /* baudrate */ + + SPI_ManualChipSelect(spi, tina_spi_cs->cs); + SPI_SetDataSize(spi, 0, 0); + SPI_Enable(spi); + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + return RT_EOK; +}; + +static rt_uint32_t xfer(struct rt_spi_device *device, struct rt_spi_message *message) +{ + struct rt_spi_bus *r6_spi_bus = (struct rt_spi_bus *)device->bus; + struct tina_spi *_spi_info = (struct tina_spi *)r6_spi_bus->parent.user_data; + SPI_T *spi = _spi_info->spi; + struct rt_spi_configuration *config = &device->config; + struct tina_spi_cs *tina_spi_cs = device->parent.user_data; + + RT_ASSERT(device != NULL); + RT_ASSERT(message != NULL); + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + DEBUG_PRINTF("spi_info: %08X\n", (rt_uint32_t)_spi_info); + DEBUG_PRINTF("spi address: %08X\n", (rt_uint32_t)spi); + + /* take CS */ + if (message->cs_take) + { + SPI_ManualChipSelect(spi, tina_spi_cs->cs); + SPI_SetCsLevel(spi, false); + DEBUG_PRINTF("spi take cs\n"); + } + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + { + if ((config->data_width <= 8) && (message->length > 0)) + { + const rt_uint8_t *send_ptr = message->send_buf; + rt_uint8_t *recv_ptr = message->recv_buf; + rt_uint32_t tx_size = message->length; + rt_uint32_t rx_size = message->length; + + DEBUG_PRINTF("spi poll transfer start: %d\n", tx_size); + + SPI_ResetTxFifo(spi); + SPI_ResetRxFifo(spi); + SPI_SetDataSize(spi, tx_size, 0); + + SPI_StartTransmit(spi); + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + while (tx_size > 0 || rx_size > 0) + { + uint8_t tx_data = 0xFF; + uint8_t rx_data = 0xFF; + + while ((SPI_GetTxFifoCounter(spi) < SPI_FIFO_SIZE) && (tx_size > 0)) + { + if (send_ptr != RT_NULL) + { + tx_data = *send_ptr++; + } + SPI_Write(spi, &tx_data); + tx_size--; + } + + while (SPI_GetRxFifoCounter(spi) > 0) + { + rx_size--; + SPI_Read(spi, &rx_data); + + if (recv_ptr != RT_NULL) + { + *recv_ptr++ = rx_data; + } + } + } + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + if ((tx_size != 0) || (rx_size != 0)) + { + DEBUG_PRINTF("spi_tx_rx error with tx count = %d, rx count = %d.\n", tx_size, rx_size); + + return 0; + } + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + while (SPI_IntState(spi, SPI_INT_TRANSFER_COMPLETE) == 0); + SPI_ClearInt(spi, SPI_INT_TRANSFER_COMPLETE); + + DEBUG_PRINTF("spi poll transfer finsh\n"); + } + else if (config->data_width > 8) + { + DEBUG_PRINTF("data width: %d\n", config->data_width); + RT_ASSERT(NULL); + } + } + + /* release CS */ + if (message->cs_release) + { + SPI_SetCsLevel(spi, true); + DEBUG_PRINTF("spi release cs\n"); + } + + return message->length; +}; + +#ifdef TINA_USING_SPI0 +static struct rt_spi_bus spi_bus0; +#endif + +#ifdef TINA_USING_SPI1 +static struct rt_spi_bus spi_bus1; +#endif + +static const struct tina_spi spis[] = +{ +#ifdef TINA_USING_SPI0 + {(SPI_T *)SPI0_BASE_ADDR, SPI0_GATING, &spi_bus0}, +#endif + +#ifdef TINA_USING_SPI1 + {(SPI_T *)SPI1_BASE_ADDR, SPI1_GATING, &spi_bus1}, +#endif +}; + + + +/** \brief init and register r6 spi bus. + * + * \param SPI: R6 SPI, e.g: SPI1,SPI2,SPI3. + * \param spi_bus_name: spi bus name, e.g: "spi1" + * \return + * + */ +rt_err_t tina_spi_bus_register(SPI_T *spi, const char *spi_bus_name) +{ + int i; + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + RT_ASSERT(spi_bus_name != RT_NULL); + + for (i = 0; i < ARR_LEN(spis); i++) + { + if (spi == spis[i].spi) + { + bus_software_reset_disalbe(spis[i].spi_gate); + bus_gate_clk_enalbe(spis[i].spi_gate); + + spis[i].spi_bus->parent.user_data = (void *)&spis[i]; + DEBUG_PRINTF("bus addr: %08X\n", (rt_uint32_t)spis[i].spi_bus); + DEBUG_PRINTF("user_data: %08X\n", (rt_uint32_t)spis[i].spi_bus->parent.user_data); + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + rt_spi_bus_register(spis[i].spi_bus, spi_bus_name, &tina_spi_ops); + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + return RT_EOK; + } + } + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + return RT_ERROR; +} + +int rt_hw_spi_init(void) +{ + DEBUG_PRINTF("register spi bus\n"); + +#ifdef TINA_USING_SPI0 + /* register spi bus */ + { + rt_err_t result; + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + gpio_set_func(GPIO_PORT_C, GPIO_PIN_0, IO_FUN_1); + gpio_set_func(GPIO_PORT_C, GPIO_PIN_2, IO_FUN_1); + gpio_set_func(GPIO_PORT_C, GPIO_PIN_3, IO_FUN_1); + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + + result = tina_spi_bus_register((SPI_T *)SPI0_BASE_ADDR, "spi0"); + if (result != RT_EOK) + { + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + return result; + } + } + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + /* attach cs */ + { + static struct rt_spi_device spi_device; + static struct tina_spi_cs spi_cs; + rt_err_t result; + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + spi_cs.cs = SPI_TCTRL_SS_SEL_SS0; + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + gpio_set_func(GPIO_PORT_C, GPIO_PIN_1, IO_FUN_1); + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + result = rt_spi_bus_attach_device(&spi_device, "spi00", "spi0", (void *)&spi_cs); + if (result != RT_EOK) + { + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + return result; + } + } + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); +#endif + +#ifdef TINA_USING_SPI1 + /* register spi bus */ + { + rt_err_t result; + + gpio_set_func(GPIO_PORT_A, GPIO_PIN_1, IO_FUN_5); + gpio_set_func(GPIO_PORT_A, GPIO_PIN_2, IO_FUN_5); + gpio_set_func(GPIO_PORT_A, GPIO_PIN_3, IO_FUN_5); + + result = tina_spi_bus_register((SPI_T *)SPI1_BASE_ADDR, "spi1"); + if (result != RT_EOK) + { + DEBUG_PRINTF("register spi bus faild: %d\n", result); + return result; + } + } + + DEBUG_PRINTF("attach cs\n"); + /* attach cs */ + { + static struct rt_spi_device spi_device; + static struct tina_spi_cs spi_cs; + rt_err_t result; + + spi_cs.cs = SPI_TCTRL_SS_SEL_SS0; + gpio_set_func(GPIO_PORT_A, GPIO_PIN_0, IO_FUN_5); + + result = rt_spi_bus_attach_device(&spi_device, "spi10", "spi1", (void *)&spi_cs); + if (result != RT_EOK) + { + DEBUG_PRINTF("attach cs faild: %d\n", result); + return result; + } + } +#endif + + return RT_EOK; +} +INIT_BOARD_EXPORT(rt_hw_spi_init); +#endif diff --git a/bsp/allwinner_tina/drivers/spi/drv_spi.h b/bsp/allwinner_tina/drivers/spi/drv_spi.h new file mode 100644 index 0000000000..e9b9981542 --- /dev/null +++ b/bsp/allwinner_tina/drivers/spi/drv_spi.h @@ -0,0 +1,428 @@ +/* + * File : drv_spi.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2017, RT-Thread Development Team + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Change Logs: + * Date Author Notes + * 2018-02-08 RT-Thread the first version + */ + +#ifndef __DRV_SPI_H__ +#define __DRV_SPI_H__ + +#ifdef __cplusplus +extern "C" { +#endif +/********************** private ************************************/ + +#define SPI0_BASE_ADDR (0x01C05000) +#define SPI1_BASE_ADDR (0x01C06000) + +/** + * @brief Serial Peripheral Interface + */ +typedef struct +{ + volatile rt_uint32_t VER; /* SPI Version number Register, Address offset: 0x00 */ + volatile rt_uint32_t CTRL; /* SPI Global Control Register, Address offset: 0x04 */ + volatile rt_uint32_t TCTRL; /* SPI Transfer Control Register, Address offset: 0x08 */ + volatile rt_uint32_t RESERVED1[1]; /* Reserved, 0x0C */ + volatile rt_uint32_t IER; /* SPI Interrupt Control Register, Address offset: 0x10 */ + volatile rt_uint32_t STA; /* SPI Interrupt Status Register, Address offset: 0x14 */ + volatile rt_uint32_t FCTL; /* SPI FIFO Control Register, Address offset: 0x18 */ + volatile rt_uint32_t FST; /* SPI FIFO Status Register, Address offset: 0x1C */ + volatile rt_uint32_t WAIT; /* SPI Wait Clock Counter Register, Address offset: 0x20 */ + volatile rt_uint32_t CCTR; /* SPI Clock Rate Control Register, Address offset: 0x24 */ + volatile rt_uint32_t RESERVED2[2]; /* Reserved, 0x28-0x2C */ + volatile rt_uint32_t BC; /* SPI Master mode Burst Control Register, Address offset: 0x30 */ + volatile rt_uint32_t TC; /* SPI Master mode Transmit Counter Register, Address offset: 0x34 */ + volatile rt_uint32_t BCC; /* SPI Burst Control Register, Address offset: 0x38 */ + volatile rt_uint32_t RESERVED3[19]; /* Reserved, 0x3C-0x84 */ + volatile rt_uint32_t NDMA_MODE_CTRL; /* SPI Nomal DMA Mode Control Regist Address offset: 0x88 */ + volatile rt_uint32_t RESERVED4[93]; /* Reserved, 0x8C-0x1FC */ + volatile rt_uint32_t TXD; /* SPI TX Date Register, Address offset: 0x200 */ + volatile rt_uint32_t RESERVED5[63]; /* Reserved, 0x204-0x2FC */ + volatile rt_uint32_t RXD; /* SPI RX Date Register, Address offset: 0x300 */ +} SPI_T; + +/* + * @brief SPI Global Control Register + */ +#define SPI_CTRL_RST_SHIFT (31) +#define SPI_CTRL_RST_MASK (0x1U << SPI_CTRL_RST_SHIFT) + +#define SPI_CTRL_TP_EN_SHIFT (7) +#define SPI_CTRL_TP_EN_MASK (0x1U << SPI_CTRL_TP_EN_SHIFT) + +#define SPI_CTRL_MODE_SHIFT (1) +#define SPI_CTRL_MODE_MASK (0x1U << SPI_CTRL_MODE_SHIFT) +typedef enum +{ + SPI_CTRL_MODE_SLAVE = 0 << SPI_CTRL_MODE_SHIFT, + SPI_CTRL_MODE_MASTER = 1 << SPI_CTRL_MODE_SHIFT +} SPI_CTRL_Mode; + +#define SPI_CTRL_EN_SHIFT (0) +#define SPI_CTRL_EN_MASK (0x1U << SPI_CTRL_EN_SHIFT) +typedef enum +{ + SPI_CTRL_EN_DISABLE = 0 << SPI_CTRL_EN_SHIFT, + SPI_CTRL_EN_ENABLE = 1 << SPI_CTRL_EN_SHIFT +} SPI_CTRL_En; + +/* + * @brief SPI Transfer Control Register + */ +#define SPI_TCTRL_XCH_SHIFT (31) +#define SPI_TCTRL_XCH_MASK (0x1U << SPI_TCTRL_XCH_SHIFT) +typedef enum +{ + SPI_TCTRL_XCH_IDLE = 0 << SPI_TCTRL_XCH_SHIFT, + SPI_TCTRL_XCH_START = 1 << SPI_TCTRL_XCH_SHIFT +} SPI_TCTRL_Xch; + +#define SPI_TCTRL_SDDM_SHIFT (14) +#define SPI_TCTRL_SDDM_MASK (0x0U << SPI_TCTRL_SDDM_SHIFT) +typedef enum +{ + SPI_TCTRL_SDDM_SEND_NODELAY = 0 << SPI_TCTRL_SDDM_SHIFT, + SPI_TCTRL_SDDM_SEND_DELAY = 1 << SPI_TCTRL_SDDM_SHIFT +} SPI_TCTRL_Sddm; + +#define SPI_TCTRL_SDM_SHIFT (13) +#define SPI_TCTRL_SDM_MASK (0x1U << SPI_TCTRL_SDM_SHIFT) +typedef enum +{ + SPI_TCTRL_SDM_SAMPLE_NODELAY = 1 << SPI_TCTRL_SDM_SHIFT, + SPI_TCTRL_SDM_SAMPLE_DELAY = 0 << SPI_TCTRL_SDM_SHIFT +} SPI_TCTRL_Sdm; + +#define SPI_TCTRL_FBS_SHIFT (12) +#define SPI_TCTRL_FBS_MASK (0x1U << SPI_TCTRL_FBS_SHIFT) +typedef enum +{ + SPI_TCTRL_FBS_MSB = 0 << SPI_TCTRL_FBS_SHIFT, + SPI_TCTRL_FBS_LSB = 1 << SPI_TCTRL_FBS_SHIFT +} SPI_TCTRL_Fbs; + +#define SPI_TCTRL_SDC_SHIFT (11) +#define SPI_TCTRL_SDC_MASK (0x1U << SPI_TCTRL_SDC_SHIFT) + +#define SPI_TCTRL_RPSM_SHIFT (10) +#define SPI_TCTRL_RPSM_MASK (0x1U << SPI_TCTRL_RPSM_SHIFT) + +#define SPI_TCTRL_DDB_SHIFT (9) +#define SPI_TCTRL_DDB_MASK (0x1U << SPI_TCTRL_DDB_SHIFT) + +#define SPI_TCTRL_DHB_SHIFT (8) +#define SPI_TCTRL_DHB_MASK (0x1U << SPI_TCTRL_DHB_SHIFT) +typedef enum +{ + SPI_TCTRL_DHB_FULL_DUPLEX = 0 << SPI_TCTRL_DHB_SHIFT, + SPI_TCTRL_DHB_HALF_DUPLEX = 1 << SPI_TCTRL_DHB_SHIFT +} SPI_TCTRL_DHB_Duplex; + +#define SPI_TCTRL_SS_LEVEL_SHIFT (7) +#define SPI_TCTRL_SS_LEVEL_MASK (0x1U << SPI_TCTRL_SS_LEVEL_SHIFT) + +#define SPI_TCTRL_SS_OWNER_SHIFT (6) +#define SPI_TCTRL_SS_OWNER_MASK (0x1U << SPI_TCTRL_SS_OWNER_SHIFT) +typedef enum +{ + SPI_TCTRL_SS_OWNER_CONTROLLER = 0 << SPI_TCTRL_SS_OWNER_SHIFT, + SPI_TCTRL_SS_OWNER_SOFTWARE = 1 << SPI_TCTRL_SS_OWNER_SHIFT +} SPI_TCTRL_SS_OWNER; + +#define SPI_TCTRL_SS_SEL_SHIFT (4) +#define SPI_TCTRL_SS_SEL_MASK (0x3U << SPI_TCTRL_SS_SEL_SHIFT) +typedef enum +{ + SPI_TCTRL_SS_SEL_SS0 = 0 << SPI_TCTRL_SS_SEL_SHIFT, + SPI_TCTRL_SS_SEL_SS1 = 1 << SPI_TCTRL_SS_SEL_SHIFT, + SPI_TCTRL_SS_SEL_SS2 = 2 << SPI_TCTRL_SS_SEL_SHIFT, + SPI_TCTRL_SS_SEL_SS3 = 3 << SPI_TCTRL_SS_SEL_SHIFT +} SPI_TCTRL_SS_Sel; + +#define SPI_TCTRL_SS_CTL_SHIFT (3) +#define SPI_TCTRL_SS_CTL_MASK (0x1U << SPI_TCTRL_SS_CTL_SHIFT) + +#define SPI_TCTRL_SPOL_SHIFT (2) +#define SPI_TCTRL_SPOL_MASK (0x1U << SPI_TCTRL_SPOL_SHIFT) + +#define SPI_TCTRL_CPOL_SHIFT (1) +#define SPI_TCTRL_CPOL_MASK (0x1U << SPI_TCTRL_CPOL_SHIFT) +typedef enum +{ + SPI_TCTRL_CPOL_HIGH = 0 << SPI_TCTRL_CPOL_SHIFT, + SPI_TCTRL_CPOL_LOW = 1 << SPI_TCTRL_CPOL_SHIFT +} SPI_TCTRL_Cpol; + +#define SPI_TCTRL_CPHA_SHIFT (0) +#define SPI_TCTRL_CPHA_MASK (0x1U << SPI_TCTRL_CPHA_SHIFT) +typedef enum +{ + SPI_TCTRL_CPHA_PHASE0 = 0 << SPI_TCTRL_CPHA_SHIFT, + SPI_TCTRL_CPHA_PHASE1 = 1 << SPI_TCTRL_CPHA_SHIFT +} SPI_TCTRL_Cpha; + +typedef enum +{ + SPI_SCLK_Mode0 = 0 << SPI_TCTRL_CPHA_SHIFT, + SPI_SCLK_Mode1 = 1 << SPI_TCTRL_CPHA_SHIFT, + SPI_SCLK_Mode2 = 2 << SPI_TCTRL_CPHA_SHIFT, + SPI_SCLK_Mode3 = 3 << SPI_TCTRL_CPHA_SHIFT +} SPI_SCLK_Mode; + +/* + * @brief SPI Interrupt Control Register + */ +#define SPI_IER_SS_INT_EN_SHIFT (13) +#define SPI_IER_SS_INT_EN_MASK (0x1U << SPI_IER_SS_INT_EN_SHIFT) + +#define SPI_IER_TC_INT_EN_SHIFT (12) +#define SPI_IER_TC_INT_EN_MASK (0x1U << SPI_IER_TC_INT_EN_SHIFT) + +#define SPI_IER_TF_UDR_INT_EN_SHIFT (11) +#define SPI_IER_TF_UDR_INT_EN_MASK (0x1U << SPI_IER_TF_UDR_INT_EN_SHIFT) + +#define SPI_IER_TF_OVF_INT_EN_SHIFT (10) +#define SPI_IER_TF_OVF_INT_EN_MASK (0x1U << SPI_IER_TF_OVF_INT_EN_SHIFT) + +#define SPI_IER_RF_UDR_INT_EN_SHIFT (9) +#define SPI_IER_RF_UDR_INT_EN_MASK (0x1U << SPI_IER_RF_UDR_INT_EN_SHIFT) + +#define SPI_IER_RF_OVF_INT_EN_SHIFT (8) +#define SPI_IER_RF_OVF_INT_EN_MASK (0x1U << SPI_IER_RF_OVF_INT_EN_SHIFT) + +#define SPI_IER_TF_FUL_INT_EN_SHIFT (6) +#define SPI_IER_TF_FUL_INT_EN_MASK (0x1U << SPI_IER_TF_FUL_INT_EN_SHIFT) + +#define SPI_IER_TX_EMP_INT_EN_SHIFT (5) +#define SPI_IER_TX_EMP_INT_EN_MASK (0x1U << SPI_IER_TX_EMP_INT_EN_SHIFT) + +#define SPI_IER_TX_ERQ_INT_EN_SHIFT (4) +#define SPI_IER_TX_ERQ_INT_EN_MASK (0x1U << SPI_IER_TX_ERQ_INT_EN_SHIFT) + +#define SPI_IER_RF_FUL_INT_EN_SHIFT (2) +#define SPI_IER_RF_FUL_INT_EN_MASK (0x1U << SPI_IER_RF_FUL_INT_EN_SHIFT) + +#define SPI_IER_RX_EMP_INT_EN_SHIFT (1) +#define SPI_IER_RX_EMP_INT_EN_MASK (0x1U << SPI_IER_RX_EMP_INT_EN_SHIFT) + +#define SPI_IER_RF_RDY_INT_EN_SHIFT (0) +#define SPI_IER_RF_RDY_INT_EN_MASK (0x1U << SPI_IER_RF_RDY_INT_EN_SHIFT) + +/* + * @brief SPI Interrupt Status Register + */ +#define SPI_STA_SSI_SHIFT (13) +#define SPI_STA_SSI_MASK (0x1U << SPI_STA_SSI_SHIFT) + +#define SPI_STA_TC_SHIFT (12) +#define SPI_STA_TC_MASK (0x1U << SPI_STA_TC_SHIFT) + +#define SPI_STA_TF_UDF_SHIFT (11) +#define SPI_STA_TF_UDF_MASK (0x1U << SPI_STA_TF_UDF_SHIFT) + +#define SPI_STA_TF_OVF_SHIFT (10) +#define SPI_STA_TF_OVF_MASK (0x1U << SPI_STA_TF_OVF_SHIFT) + +#define SPI_STA_RX_UDF_SHIFT (9) +#define SPI_STA_RX_UDF_MASK (0x1U << SPI_STA_RX_UDF_SHIFT) + +#define SPI_STA_RX_OVF_SHIFT (8) +#define SPI_STA_RX_OVF_MASK (0x1U << SPI_STA_RX_OVF_SHIFT) + +#define SPI_STA_TX_FULL_SHIFT (6) +#define SPI_STA_TX_FULL_MASK (0x1U << SPI_STA_TX_FULL_SHIFT) + +#define SPI_STA_TX_EMP_SHIFT (5) +#define SPI_STA_TX_EMP_MASK (0x1U << SPI_STA_TX_EMP_SHIFT) + +#define SPI_STA_TX_READY_SHIFT (4) +#define SPI_STA_TX_READY_MASK (0x1U << SPI_STA_TX_READY_SHIFT) + +#define SPI_STA_RX_FULL_SHIFT (2) +#define SPI_STA_RX_FULL_MASK (0x1U << SPI_STA_RX_FULL_SHIFT) + +#define SPI_STA_RX_EMP_SHIFT (1) +#define SPI_STA_RX_EMP_MASK (0x1U << SPI_STA_RX_EMP_SHIFT) + +#define SPI_STA_RX_RDY_SHIFT (0) +#define SPI_STA_RX_RDY_MASK (0x1U << SPI_STA_RX_RDY_SHIFT) + +/* + * @brief SPI FIFO Control Register + */ +#define SPI_FCTL_TF_RST_SHIFT (31) +#define SPI_FCTL_TF_RST_MASK (0x1U << SPI_FCTL_TF_RST_SHIFT) + +#define SPI_FCTL_TF_TEST_EN_SHIFT (30) +#define SPI_FCTL_TF_TEST_EN_MASK (0x1U << SPI_FCTL_TF_TEST_EN_SHIFT) + +#define SPI_FCTL_TF_DRQ_EN_SHIFT (24) +#define SPI_FCTL_TF_DRQ_EN_MASK (0x1U << SPI_FCTL_TF_DRQ_EN_SHIFT) +#define SPI_FCTL_TF_DRQ_EN_BIT HAL_BIT(24) + +#define SPI_FCTL_TX_TRIG_LEVEL_SHIFT (16) +#define SPI_FCTL_TX_TRIG_LEVEL_MASK (0xFFU << SPI_FCTL_TX_TRIG_LEVEL_SHIFT) + +#define SPI_FCTL_RF_RST_SHIFT (15) +#define SPI_FCTL_RF_RST_MASK (0x1U << SPI_FCTL_RF_RST_SHIFT) + +#define SPI_FCTL_RF_TEST_SHIFT (14) +#define SPI_FCTL_RF_TEST_MASK (0x1U << SPI_FCTL_RF_TEST_SHIFT) + +#define SPI_FCTL_RF_DRQ_EN_SHIFT (8) +#define SPI_FCTL_RF_DRQ_EN_MASK (0x1U << SPI_FCTL_RF_DRQ_EN_SHIFT) + +#define SPI_FCTL_RX_TRIG_LEVEL_SHIFT (0) +#define SPI_FCTL_RX_TRIG_LEVEL_MASK (0xFFU << SPI_FCTL_RX_TRIG_LEVEL_SHIFT) + +/* + * @brief SPI FIFO Status Registe + */ +#define SPI_FST_TB_WR_SHIFT (31) +#define SPI_FST_TB_WR_MASK (0x1U << SPI_FST_TB_WR_SHIFT) + +#define SPI_FST_TB_CNT_SHIFT (28) +#define SPI_FST_TB_CNT_MASK (0x7U << SPI_FST_TB_CNT_SHIFT) + +#define SPI_FST_TF_CNT_SHIFT (16) +#define SPI_FST_TF_CNT_MASK (0xFFU << SPI_FST_TF_CNT_SHIFT) + +#define SPI_FST_RB_WR_SHIFT (15) +#define SPI_FST_RB_WR_MASK (0x1U << SPI_FST_RB_WR_SHIFT) + +#define SPI_FST_RB_CNT_SHIFT (12) +#define SPI_FST_RB_CNT_MASK (0x7U << SPI_FST_RB_CNT_SHIFT) + +#define SPI_FST_RF_CNT_SHIFT (0) +#define SPI_FST_RF_CNT_MASK (0xFFU << SPI_FST_RF_CNT_SHIFT) + +/* + * @brief SPI Wait Clock Counter Register + */ +#define SPI_WAIT_SWC_SHIFT (16) +#define SPI_WAIT_SWC_MASK (0xFU << SPI_WAIT_SWC_SHIFT) + +#define SPI_WAIT_WCC_SHIFT (0) +#define SPI_WAIT_WCC_MASK (0xFFFFU << SPI_WAIT_WCC_SHIFT) + +/* + * @brief SPI Clock Rate Control Register + */ +#define SPI_CCTR_DRS_SHIFT (12) +#define SPI_CCTR_DRS_MASK (0x1U << SPI_CCTR_DRS_SHIFT) +typedef enum +{ + SPI_CCTR_DRS_type_divRate1 = 0 << SPI_CCTR_DRS_SHIFT, + SPI_CCTR_DRS_type_divRate2 = 1 << SPI_CCTR_DRS_SHIFT +} SPI_CCTR_DRS_type; + +#define SPI_CCTR_CDR1_SHIFT (8) +#define SPI_CCTR_CDR1_MASK (0xFU << SPI_CCTR_CDR1_SHIFT) + +#define SPI_CCTR_CDR2_SHIFT (0) +#define SPI_CCTR_CDR2_MASK (0xFFU << SPI_CCTR_CDR2_SHIFT) + +/* + * @brief SPI Master mode Burst Control Register + */ +#define SPI_BC_MBC_SHIFT (0) +#define SPI_BC_MBC_MASK (0xFFFFFFU << SPI_BC_MBC_SHIFT) + +/* + * @brief SPI Master mode Transmit Counter Register + */ +#define SPI_TC_MWTC_SHIFT (0) +#define SPI_TC_MWTC_MASK (0xFFFFFFU << SPI_TC_MWTC_SHIFT) + +/* + * @brief SPI Burst Control Register + */ +#define SPI_BCC_DRM_SHIFT (28) +#define SPI_BCC_DRM_MASK (0x1U << SPI_BCC_DRM_SHIFT) + +#define SPI_BCC_DBC_SHIFT (24) +#define SPI_BCC_DBC_MASK (0xFU << SPI_BCC_DBC_SHIFT) + +#define SPI_BCC_STC_SHIFT (0) +#define SPI_BCC_STC_MASK (0xFFFFFFU << SPI_BCC_STC_SHIFT) + +/* + * @brief SPI Nomal DMA Mode Control Regist + */ +#define SPI_NDMA_MODE_CTRL_SHIFT (0) +#define SPI_NDMA_MODE_CTRL_MASK (0xFFU << SPI_NDMA_MODE_CTRL_SHIFT) + +/* + * @brief SPI TX Date Register + */ +#define SPI_TXD_SHIFT (0) +#define SPI_TXD_MASK (0xFFFFFFFFU << SPI_TXD_SHIFT) + +/* + * @brief SPI RX Date Register + */ +#define SPI_RXD_SHIFT (0) +#define SPI_RXD_MASK (0xFFFFFFFFU << SPI_RXD_SHIFT) + +/* other */ +#define SPI_FIFO_SIZE (64) +#define SPI_MAX_WAIT_MS (2000) +#define SPI_SOURCE_CLK (24 * 1000 * 1000) + +/* io ops */ +#define HAL_BIT(pos) (1U << (pos)) + +#define HAL_SET_BIT(reg, mask) ((reg) |= (mask)) +#define HAL_CLR_BIT(reg, mask) ((reg) &= ~(mask)) +#define HAL_GET_BIT(reg, mask) ((reg) & (mask)) +#define HAL_GET_BIT_VAL(reg, shift, vmask) (((reg) >> (shift)) & (vmask)) + +#define HAL_MODIFY_REG(reg, clr_mask, set_mask) \ + ((reg) = (((reg) & (~(clr_mask))) | (set_mask))) + +/* access LSBs of a 32-bit register (little endian only) */ +#define HAL_REG_32BIT(reg_addr) (*((volatile rt_uint32_t *)(reg_addr))) +#define HAL_REG_16BIT(reg_addr) (*((volatile rt_uint16_t *)(reg_addr))) +#define HAL_REG_8BIT(reg_addr) (*((volatile rt_uint8_t *)(reg_addr))) + +#define HAL_WAIT_FOREVER OS_WAIT_FOREVER + +#define HAL_ARRAY_SIZE(a) (sizeof((a)) / sizeof((a)[0])) + +struct tina_spi +{ + SPI_T *spi; + unsigned int spi_gate; + struct rt_spi_bus *spi_bus; +}; + +struct tina_spi_cs +{ + SPI_TCTRL_SS_Sel cs; +}; +/* public function */ +rt_err_t r6_spi_bus_register(SPI_T *spi, const char *spi_bus_name); + +#ifdef __cplusplus +} +#endif +#endif // diff --git a/bsp/allwinner_tina/drivers/spi/drv_spi_flash.c b/bsp/allwinner_tina/drivers/spi/drv_spi_flash.c new file mode 100644 index 0000000000..9e2f339df4 --- /dev/null +++ b/bsp/allwinner_tina/drivers/spi/drv_spi_flash.c @@ -0,0 +1,80 @@ +/* + * File : drv_spi_flash.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2017, RT-Thread Development Team + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Change Logs: + * Date Author Notes + * 2018-02-08 RT-Thread the first version + */ + +#include +#include +#include + +#define DBG_ENABLE +#define DBG_SECTION_NAME "[FLASH]" +#define DBG_LEVEL DBG_LOG +#define DBG_COLOR +#include + +#define SPI_FLASH_DEVICE_NAME "spi00" +#define SPI_FLASH_CHIP "gd25qxx" + +//#define DEBUG + +#ifdef DEBUG +#define DEBUG_PRINTF(...) rt_kprintf(__VA_ARGS__) +#else +#define DEBUG_PRINTF(...) +#endif + +#ifdef TINA_USING_SPI_FLASH + +#include "spi_flash.h" + +#if defined(RT_USING_SFUD) +#include "spi_flash_sfud.h" +rt_spi_flash_device_t spi_device; +int rt_hw_spi_flash_with_sfud_init(void) +{ + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + spi_device = rt_sfud_flash_probe(SPI_FLASH_CHIP, SPI_FLASH_DEVICE_NAME); + if (spi_device == NULL) + { + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + return RT_ERROR; + }; + + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + return RT_EOK; +} +INIT_PREV_EXPORT(rt_hw_spi_flash_with_sfud_init); + +#elif defined(RT_USING_W25QXX) +#include "spi_flash_w25qxx.h" + +int rt_hw_spi_flash_init(void) +{ + DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__); + return w25qxx_init(SPI_FLASH_CHIP, SPI_FLASH_DEVICE_NAME); +} +INIT_DEVICE_EXPORT(rt_hw_spi_flash_init); + +#endif + +#endif \ No newline at end of file