| /* spi_dw.c - Designware SPI driver implementation */ |
| |
| /* |
| * Copyright (c) 2015 Intel Corporation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <nanokernel.h> |
| #include <arch/cpu.h> |
| |
| #include <misc/__assert.h> |
| #include <board.h> |
| #include <device.h> |
| #include <init.h> |
| |
| #include <sys_io.h> |
| #include <clock_control.h> |
| #include <misc/util.h> |
| |
| #include <spi.h> |
| #include <spi_dw.h> |
| |
| #ifdef CONFIG_IOAPIC |
| #include <drivers/ioapic.h> |
| #endif |
| |
| #ifndef CONFIG_SPI_DEBUG |
| #define DBG(...) {; } |
| #else |
| #if defined(CONFIG_STDOUT_CONSOLE) |
| #include <stdio.h> |
| #define DBG printf |
| #else |
| #include <misc/printk.h> |
| #define DBG printk |
| #endif /* CONFIG_STDOUT_CONSOLE */ |
| #endif /* CONFIG_SPI_DEBUG */ |
| |
| #if defined(CONFIG_SPI_DW_ARC_AUX_REGS) |
| #define _REG_READ(__sz) sys_in##__sz |
| #define _REG_WRITE(__sz) sys_out##__sz |
| #define _REG_SET_BIT _sys_io_set_bit |
| #define _REG_CLEAR_BIT _sys_io_clear_bit |
| #define _REG_TEST_BIT _sys_io_test_bit |
| #else |
| #define _REG_READ(__sz) sys_read##__sz |
| #define _REG_WRITE(__sz) sys_write##__sz |
| #define _REG_SET_BIT sys_set_bit |
| #define _REG_CLEAR_BIT sys_clear_bit |
| #define _REG_TEST_BIT sys_test_bit |
| #endif /* SPI_DW_ARC_AUX_REGS */ |
| |
| #define DEFINE_MM_REG_READ(__reg, __off, __sz) \ |
| static inline uint32_t read_##__reg(uint32_t addr) \ |
| { \ |
| return _REG_READ(__sz)(addr + __off); \ |
| } |
| #define DEFINE_MM_REG_WRITE(__reg, __off, __sz) \ |
| static inline void write_##__reg(uint32_t data, uint32_t addr) \ |
| { \ |
| _REG_WRITE(__sz)(data, addr + __off); \ |
| } |
| |
| #ifdef CONFIG_ARC |
| DEFINE_MM_REG_WRITE(ctrlr0, DW_SPI_REG_CTRLR0, 16) |
| DEFINE_MM_REG_READ(dr, DW_SPI_REG_DR, 16) |
| DEFINE_MM_REG_WRITE(dr, DW_SPI_REG_DR, 16) |
| #else |
| DEFINE_MM_REG_WRITE(ctrlr0, DW_SPI_REG_CTRLR0, 32) |
| DEFINE_MM_REG_READ(dr, DW_SPI_REG_DR, 32) |
| DEFINE_MM_REG_WRITE(dr, DW_SPI_REG_DR, 32) |
| #endif |
| DEFINE_MM_REG_WRITE(ser, DW_SPI_REG_SER, 8) |
| DEFINE_MM_REG_WRITE(baudr, DW_SPI_REG_BAUDR, 16) |
| DEFINE_MM_REG_WRITE(txftlr, DW_SPI_REG_TXFTLR, 32) |
| DEFINE_MM_REG_WRITE(rxftlr, DW_SPI_REG_RXFTLR, 32) |
| DEFINE_MM_REG_READ(rxftlr, DW_SPI_REG_RXFTLR, 32) |
| DEFINE_MM_REG_READ(txflr, DW_SPI_REG_TXFLR, 32) |
| DEFINE_MM_REG_READ(rxflr, DW_SPI_REG_RXFLR, 32) |
| DEFINE_MM_REG_WRITE(imr, DW_SPI_REG_IMR, 8) |
| DEFINE_MM_REG_READ(isr, DW_SPI_REG_ISR, 8) |
| DEFINE_MM_REG_READ(ssi_comp_version, DW_SPI_REG_SSI_COMP_VERSION, 32) |
| |
| #define DEFINE_SET_BIT_OP(__reg_bit, __reg_off, __bit) \ |
| static inline void set_bit_##__reg_bit(uint32_t addr) \ |
| { \ |
| _REG_SET_BIT(addr + __reg_off, __bit); \ |
| } |
| |
| #define DEFINE_CLEAR_BIT_OP(__reg_bit, __reg_off, __bit) \ |
| static inline void clear_bit_##__reg_bit(uint32_t addr) \ |
| { \ |
| _REG_CLEAR_BIT(addr + __reg_off, __bit); \ |
| } |
| |
| #define DEFINE_TEST_BIT_OP(__reg_bit, __reg_off, __bit) \ |
| static inline int test_bit_##__reg_bit(uint32_t addr) \ |
| { \ |
| return _REG_TEST_BIT(addr + __reg_off, __bit); \ |
| } |
| |
| DEFINE_SET_BIT_OP(ssienr, DW_SPI_REG_SSIENR, DW_SPI_SSIENR_SSIEN_BIT) |
| DEFINE_CLEAR_BIT_OP(ssienr, DW_SPI_REG_SSIENR, DW_SPI_SSIENR_SSIEN_BIT) |
| DEFINE_TEST_BIT_OP(ssienr, DW_SPI_REG_SSIENR, DW_SPI_SSIENR_SSIEN_BIT) |
| DEFINE_TEST_BIT_OP(sr_busy, DW_SPI_REG_SR, DW_SPI_SR_BUSY_BIT) |
| DEFINE_TEST_BIT_OP(icr, DW_SPI_REG_ICR, DW_SPI_SR_ICR_BIT) |
| |
| #ifdef CONFIG_SOC_QUARK_SE |
| #define int_unmask(__mask) \ |
| sys_write32(sys_read32(__mask) & INT_UNMASK_IA, __mask) |
| #else |
| #define int_unmask(...) {; } |
| #endif |
| |
| #ifdef CONFIG_SPI_DW_CLOCK_GATE |
| static inline void _clock_config(struct device *dev) |
| { |
| struct device *clk; |
| char *drv = CONFIG_SPI_DW_CLOCK_GATE_DRV_NAME; |
| |
| clk = device_get_binding(drv); |
| if (clk) { |
| struct spi_dw_data *spi = dev->driver_data; |
| |
| spi->clock = clk; |
| } |
| } |
| |
| static inline void _clock_on(struct device *dev) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| struct spi_dw_data *spi = dev->driver_data; |
| |
| clock_control_on(spi->clock, info->clock_data); |
| } |
| |
| static inline void _clock_off(struct device *dev) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| struct spi_dw_data *spi = dev->driver_data; |
| |
| clock_control_off(spi->clock, info->clock_data); |
| } |
| #else |
| #define _clock_config(...) |
| #define _clock_on(...) |
| #define _clock_off(...) |
| #endif |
| |
| #ifdef CONFIG_SPI_DW_CS_GPIO |
| |
| #include <gpio.h> |
| |
| static inline void _spi_config_cs(struct device *dev) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| struct spi_dw_data *spi = dev->driver_data; |
| struct device *gpio; |
| |
| gpio = device_get_binding(info->cs_gpio_name); |
| if (!gpio) { |
| spi->cs_gpio_port = NULL; |
| return; |
| } |
| |
| gpio_pin_configure(gpio, info->cs_gpio_pin, GPIO_DIR_OUT); |
| /* Default CS line to high (idling) */ |
| gpio_pin_write(gpio, info->cs_gpio_pin, 1); |
| |
| spi->cs_gpio_port = gpio; |
| } |
| |
| static inline void _spi_control_cs(struct device *dev, int on) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| struct spi_dw_data *spi = dev->driver_data; |
| |
| if (spi->cs_gpio_port) { |
| gpio_pin_write(spi->cs_gpio_port, info->cs_gpio_pin, !on); |
| } |
| } |
| #else |
| #define _spi_control_cs(...) |
| #define _spi_config_cs(...) |
| #endif /* CONFIG_SPI_DW_CS_GPIO */ |
| |
| static void completed(struct device *dev, int error) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| struct spi_dw_data *spi = dev->driver_data; |
| |
| if (spi->fifo_diff) { |
| return; |
| } |
| |
| if (!((spi->tx_buf && !spi->tx_buf_len && !spi->rx_buf) || |
| (spi->rx_buf && !spi->rx_buf_len && !spi->tx_buf) || |
| (spi->tx_buf && !spi->tx_buf_len && |
| spi->rx_buf && !spi->rx_buf_len) || |
| error)) { |
| return; |
| } |
| |
| spi->error = error; |
| |
| /* Disabling interrupts */ |
| write_imr(DW_SPI_IMR_MASK, info->regs); |
| /* Disabling the controller */ |
| clear_bit_ssienr(info->regs); |
| |
| _spi_control_cs(dev, 0); |
| device_sync_call_complete(&spi->sync); |
| } |
| |
| static void push_data(struct device *dev) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| struct spi_dw_data *spi = dev->driver_data; |
| uint32_t cnt = 0; |
| uint32_t data = 0; |
| uint32_t f_tx; |
| |
| DBG("spi: push_data\n"); |
| |
| f_tx = DW_SPI_FIFO_DEPTH - read_txflr(info->regs) - |
| read_rxflr(info->regs) - 1; |
| while (f_tx) { |
| if (spi->tx_buf && spi->tx_buf_len > 0) { |
| switch (spi->dfs) { |
| case 1: |
| data = *(uint8_t *)(spi->tx_buf); |
| break; |
| case 2: |
| data = *(uint16_t *)(spi->tx_buf); |
| break; |
| #ifndef CONFIG_ARC |
| case 4: |
| data = *(uint32_t *)(spi->tx_buf); |
| break; |
| #endif |
| } |
| |
| spi->tx_buf += spi->dfs; |
| spi->tx_buf_len--; |
| } else if (spi->rx_buf && spi->rx_buf_len > 0) { |
| /* No need to push more than necessary */ |
| if (spi->rx_buf_len - spi->fifo_diff <= 0) { |
| break; |
| } |
| |
| data = 0; |
| } else { |
| /* Nothing to push anymore */ |
| break; |
| } |
| |
| write_dr(data, info->regs); |
| f_tx--; |
| spi->fifo_diff++; |
| cnt++; |
| } |
| |
| if (!spi->tx_buf_len && !spi->rx_buf_len) { |
| write_txftlr(0, info->regs); |
| } |
| |
| DBG("Pushed: %d\n", cnt); |
| } |
| |
| static void pull_data(struct device *dev) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| struct spi_dw_data *spi = dev->driver_data; |
| uint32_t cnt = 0; |
| uint32_t data = 0; |
| |
| DBG("spi: pull_data\n"); |
| |
| while (read_rxflr(info->regs)) { |
| data = read_dr(info->regs); |
| cnt++; |
| |
| if (spi->rx_buf && spi->rx_buf_len > 0) { |
| switch (spi->dfs) { |
| case 1: |
| *(uint8_t *)(spi->rx_buf) = (uint8_t)data; |
| break; |
| case 2: |
| *(uint16_t *)(spi->rx_buf) = (uint16_t)data; |
| break; |
| #ifndef CONFIG_ARC |
| case 4: |
| *(uint32_t *)(spi->rx_buf) = (uint32_t)data; |
| break; |
| #endif |
| } |
| |
| spi->rx_buf += spi->dfs; |
| spi->rx_buf_len--; |
| } |
| |
| spi->fifo_diff--; |
| } |
| |
| if (!spi->rx_buf_len && spi->tx_buf_len < DW_SPI_FIFO_DEPTH) { |
| write_rxftlr(spi->tx_buf_len - 1, info->regs); |
| } else if (read_rxftlr(info->regs) >= spi->rx_buf_len) { |
| write_rxftlr(spi->rx_buf_len - 1, info->regs); |
| } |
| |
| DBG("Pulled: %d\n", cnt); |
| } |
| |
| static inline bool _spi_dw_is_controller_ready(struct device *dev) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| |
| if (test_bit_ssienr(info->regs) || test_bit_sr_busy(info->regs)) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static int spi_dw_configure(struct device *dev, |
| struct spi_config *config) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| struct spi_dw_data *spi = dev->driver_data; |
| uint32_t flags = config->config; |
| uint32_t ctrlr0 = 0; |
| uint32_t mode; |
| |
| DBG("spi_dw_configure: %p (0x%x), %p\n", dev, info->regs, config); |
| |
| /* Check status */ |
| if (!_spi_dw_is_controller_ready(dev)) { |
| DBG("spi_dw_configure: Controller is busy\n"); |
| return DEV_USED; |
| } |
| |
| /* Word size */ |
| ctrlr0 |= DW_SPI_CTRLR0_DFS(SPI_WORD_SIZE_GET(flags)); |
| |
| /* Determine how many bytes are required per-frame */ |
| spi->dfs = SPI_DFS_TO_BYTES(SPI_WORD_SIZE_GET(flags)); |
| |
| /* SPI mode */ |
| mode = SPI_MODE(flags); |
| if (mode & SPI_MODE_CPOL) { |
| ctrlr0 |= DW_SPI_CTRLR0_SCPOL; |
| } |
| |
| if (mode & SPI_MODE_CPHA) { |
| ctrlr0 |= DW_SPI_CTRLR0_SCPH; |
| } |
| |
| if (mode & SPI_MODE_LOOP) { |
| ctrlr0 |= DW_SPI_CTRLR0_SRL; |
| } |
| |
| /* Installing the configuration */ |
| write_ctrlr0(ctrlr0, info->regs); |
| |
| /* Tx Threshold, always at default */ |
| write_txftlr(DW_SPI_TXFTLR_DFLT, info->regs); |
| |
| /* Configuring the rate */ |
| write_baudr(config->max_sys_freq, info->regs); |
| |
| /* Mask SPI interrupts */ |
| write_imr(DW_SPI_IMR_MASK, info->regs); |
| |
| return DEV_OK; |
| } |
| |
| static int spi_dw_slave_select(struct device *dev, uint32_t slave) |
| { |
| struct spi_dw_data *spi = dev->driver_data; |
| |
| if (slave == 0 || slave > 4) { |
| return DEV_INVALID_CONF; |
| } |
| |
| spi->slave = 1 << (slave - 1); |
| |
| return DEV_OK; |
| } |
| |
| static int spi_dw_transceive(struct device *dev, |
| uint8_t *tx_buf, uint32_t tx_buf_len, |
| uint8_t *rx_buf, uint32_t rx_buf_len) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| struct spi_dw_data *spi = dev->driver_data; |
| uint32_t rx_thsld = DW_SPI_RXFTLR_DFLT; |
| |
| DBG("spi_dw_transceive: %p, %p, %u, %p, %u\n", |
| dev, tx_buf, tx_buf_len, rx_buf, rx_buf_len); |
| |
| /* Check status */ |
| if (!_spi_dw_is_controller_ready(dev)) { |
| DBG("spi_dw_transceive: Controller is busy\n"); |
| return DEV_USED; |
| } |
| |
| /* Set buffers info */ |
| spi->tx_buf = tx_buf; |
| spi->tx_buf_len = tx_buf_len/spi->dfs; |
| spi->rx_buf = rx_buf; |
| spi->rx_buf_len = rx_buf_len/spi->dfs; |
| spi->fifo_diff = 0; |
| |
| /* Does Rx thresholds needs to be lower? */ |
| if (rx_buf_len && spi->rx_buf_len < DW_SPI_FIFO_DEPTH) { |
| rx_thsld = spi->rx_buf_len - 1; |
| } else if (!rx_buf_len && spi->tx_buf_len < DW_SPI_FIFO_DEPTH) { |
| rx_thsld = spi->tx_buf_len - 1; |
| } |
| write_rxftlr(rx_thsld, info->regs); |
| |
| /* Slave select */ |
| write_ser(spi->slave, info->regs); |
| |
| _spi_control_cs(dev, 1); |
| |
| /* Enable interrupts */ |
| write_imr(DW_SPI_IMR_UNMASK, info->regs); |
| |
| /* Enable the controller */ |
| set_bit_ssienr(info->regs); |
| |
| device_sync_call_wait(&spi->sync); |
| |
| if (spi->error) { |
| spi->error = 0; |
| return DEV_FAIL; |
| } |
| |
| return DEV_OK; |
| } |
| |
| static int spi_dw_suspend(struct device *dev) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| |
| DBG("spi_dw_suspend: %p\n", dev); |
| |
| write_imr(DW_SPI_IMR_MASK, info->regs); |
| irq_disable(info->irq); |
| |
| _clock_off(dev); |
| |
| return DEV_OK; |
| } |
| |
| static int spi_dw_resume(struct device *dev) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| |
| DBG("spi_dw_resume: %p\n", dev); |
| |
| _clock_on(dev); |
| |
| irq_enable(info->irq); |
| write_imr(DW_SPI_IMR_UNMASK, info->regs); |
| |
| return DEV_OK; |
| } |
| |
| void spi_dw_isr(void *arg) |
| { |
| struct device *dev = arg; |
| struct spi_dw_config *info = dev->config->config_info; |
| uint32_t error = 0; |
| uint32_t int_status; |
| |
| DBG("spi_dw_isr: %p\n", dev); |
| |
| int_status = read_isr(info->regs); |
| test_bit_icr(info->regs); |
| |
| DBG("int_status 0x%x - (tx: %d, rx: %d)\n", |
| int_status, read_txflr(info->regs), read_rxflr(info->regs)); |
| |
| if (int_status & DW_SPI_ISR_ERRORS_MASK) { |
| error = 1; |
| goto out; |
| } |
| |
| if (int_status & DW_SPI_ISR_RXFIS) { |
| pull_data(dev); |
| } |
| |
| if (int_status & DW_SPI_ISR_TXEIS) { |
| push_data(dev); |
| } |
| |
| out: |
| completed(dev, error); |
| } |
| |
| static struct spi_driver_api dw_spi_api = { |
| .configure = spi_dw_configure, |
| .slave_select = spi_dw_slave_select, |
| .transceive = spi_dw_transceive, |
| .suspend = spi_dw_suspend, |
| .resume = spi_dw_resume, |
| }; |
| |
| int spi_dw_init(struct device *dev) |
| { |
| struct spi_dw_config *info = dev->config->config_info; |
| struct spi_dw_data *spi = dev->driver_data; |
| |
| _clock_config(dev); |
| |
| if (read_ssi_comp_version(info->regs) != DW_SSI_COMP_VERSION) { |
| _clock_off(dev); |
| return DEV_NOT_CONFIG; |
| } |
| |
| dev->driver_api = &dw_spi_api; |
| |
| info->config_func(); |
| |
| device_sync_call_init(&spi->sync); |
| |
| _spi_config_cs(dev); |
| |
| write_imr(DW_SPI_IMR_MASK, info->regs); |
| clear_bit_ssienr(info->regs); |
| |
| int_unmask(info->int_mask); |
| |
| DBG("Designware SPI driver initialized on device: %p\n", dev); |
| |
| return DEV_OK; |
| } |
| |
| #ifdef CONFIG_IOAPIC |
| #if defined(CONFIG_SPI_DW_FALLING_EDGE) |
| #define SPI_DW_IRQ_FLAGS (IOAPIC_EDGE | IOAPIC_LOW) |
| #elif defined(CONFIG_SPI_DW_RISING_EDGE) |
| #define SPI_DW_IRQ_FLAGS (IOAPIC_EDGE | IOAPIC_HIGH) |
| #elif defined(CONFIG_SPI_DW_LEVEL_HIGH) |
| #define SPI_DW_IRQ_FLAGS (IOAPIC_LEVEL | IOAPIC_HIGH) |
| #elif defined(CONFIG_SPI_DW_LEVEL_LOW) |
| #define SPI_DW_IRQ_FLAGS (IOAPIC_LEVEL | IOAPIC_LOW) |
| #endif |
| #else |
| #define SPI_DW_IRQ_FLAGS 0 |
| #endif /* CONFIG_IOAPIC */ |
| |
| #ifdef CONFIG_SPI_DW_PORT_0 |
| void spi_config_0_irq(void); |
| |
| struct spi_dw_data spi_dw_data_port_0; |
| |
| struct spi_dw_config spi_dw_config_0 = { |
| .regs = CONFIG_SPI_DW_PORT_0_REGS, |
| .irq = CONFIG_SPI_DW_PORT_0_IRQ, |
| .int_mask = SPI_DW_PORT_0_INT_MASK, |
| #ifdef CONFIG_SPI_DW_CLOCK_GATE |
| .clock_data = UINT_TO_POINTER(CONFIG_SPI_DW_PORT_0_CLOCK_GATE_SUBSYS), |
| #endif /* CONFIG_SPI_DW_CLOCK_GATE */ |
| #ifdef CONFIG_SPI_DW_CS_GPIO |
| .cs_gpio_name = CONFIG_SPI_DW_PORT_0_CS_GPIO_PORT, |
| .cs_gpio_pin = CONFIG_SPI_DW_PORT_0_CS_GPIO_PIN, |
| #endif |
| .config_func = spi_config_0_irq |
| }; |
| |
| DEVICE_INIT(spi_dw_port_0, CONFIG_SPI_DW_PORT_0_DRV_NAME, spi_dw_init, |
| &spi_dw_data_port_0, &spi_dw_config_0, |
| SECONDARY, CONFIG_SPI_DW_INIT_PRIORITY); |
| |
| void spi_config_0_irq(void) |
| { |
| IRQ_CONNECT(CONFIG_SPI_DW_PORT_0_IRQ, CONFIG_SPI_DW_PORT_0_PRI, |
| spi_dw_isr, DEVICE_GET(spi_dw_port_0), |
| SPI_DW_IRQ_FLAGS); |
| irq_enable(CONFIG_SPI_DW_PORT_0_IRQ); |
| } |
| #endif /* CONFIG_SPI_DW_PORT_0 */ |
| #ifdef CONFIG_SPI_DW_PORT_1 |
| void spi_config_1_irq(void); |
| |
| struct spi_dw_data spi_dw_data_port_1; |
| |
| struct spi_dw_config spi_dw_config_1 = { |
| .regs = CONFIG_SPI_DW_PORT_1_REGS, |
| .irq = CONFIG_SPI_DW_PORT_1_IRQ, |
| .int_mask = SPI_DW_PORT_1_INT_MASK, |
| #ifdef CONFIG_SPI_DW_CLOCK_GATE |
| .clock_data = UINT_TO_POINTER(CONFIG_SPI_DW_PORT_1_CLOCK_GATE_SUBSYS), |
| #endif /* CONFIG_SPI_DW_CLOCK_GATE */ |
| #ifdef CONFIG_SPI_DW_CS_GPIO |
| .cs_gpio_name = CONFIG_SPI_DW_PORT_1_CS_GPIO_PORT, |
| .cs_gpio_pin = CONFIG_SPI_DW_PORT_1_CS_GPIO_PIN, |
| #endif |
| .config_func = spi_config_1_irq |
| }; |
| |
| DEVICE_INIT(spi_dw_port_1, CONFIG_SPI_DW_PORT_1_DRV_NAME, spi_dw_init, |
| &spi_dw_data_port_1, &spi_dw_config_1, |
| SECONDARY, CONFIG_SPI_DW_INIT_PRIORITY); |
| |
| void spi_config_1_irq(void) |
| { |
| IRQ_CONNECT(CONFIG_SPI_DW_PORT_1_IRQ, CONFIG_SPI_DW_PORT_1_PRI, |
| spi_dw_isr, DEVICE_GET(spi_dw_port_1), |
| SPI_DW_IRQ_FLAGS); |
| irq_enable(CONFIG_SPI_DW_PORT_1_IRQ); |
| } |
| #endif /* CONFIG_SPI_DW_PORT_1 */ |