Revert "[nrf noup] drivers: spi_dw: add custom EXMIF peripheral handling"

This reverts commit f68b2ed.

Signed-off-by: Andrzej Głąbek <[email protected]>

Author: anangl

drivers/spi/spi_dw.c

@@ -41,10 +41,6 @@ LOG_MODULE_REGISTER(spi_dw);
 #include <zephyr/drivers/pinctrl.h>
 #endif
 
-#ifdef CONFIG_HAS_NRFX
-#include <nrfx.h>
-#endif
-
 static inline bool spi_dw_is_slave(struct spi_dw_data *spi)
 {
 	return (IS_ENABLED(CONFIG_SPI_SLAVE) &&
@@ -262,7 +258,6 @@ static int spi_dw_configure(const struct device *dev,
 		/* Baud rate and Slave select, for master only */
 		write_baudr(dev, SPI_DW_CLK_DIVIDER(info->clock_frequency,
 						    config->frequency));
-		write_ser(dev, BIT(config->slave));
 	}
 
 	if (spi_dw_is_slave(spi)) {
@@ -505,10 +500,6 @@ void spi_dw_isr(const struct device *dev)
 	uint32_t int_status;
 	int error;
 
-#ifdef CONFIG_HAS_NRFX
-	NRF_EXMIF->EVENTS_CORE = 0;
-#endif
-
 	int_status = read_isr(dev);
 
 	LOG_DBG("SPI %p int_status 0x%x - (tx: %d, rx: %d)", dev, int_status,
@@ -557,11 +548,6 @@ int spi_dw_init(const struct device *dev)
 
 	DEVICE_MMIO_MAP(dev, K_MEM_CACHE_NONE);
 
-#ifdef CONFIG_HAS_NRFX
-	NRF_EXMIF->INTENSET = BIT(0);
-	NRF_EXMIF->TASKS_START = 1;
-#endif
-
 	info->config_func();
 
 	/* Masking interrupt and making sure controller is disabled */
@@ -580,11 +566,6 @@ int spi_dw_init(const struct device *dev)
 	return 0;
 }
 
-#define REG_ADDR(inst) \
-	COND_CODE_1(DT_NODE_HAS_COMPAT(DT_DRV_INST(inst), nordic_nrf_exmif), \
-		    (Z_DEVICE_MMIO_NAMED_ROM_INITIALIZER(core, DT_DRV_INST(inst))), \
-		    (DEVICE_MMIO_ROM_INIT(DT_DRV_INST(inst))))
-
 #define SPI_CFG_IRQS_SINGLE_ERR_LINE(inst)					\
 		IRQ_CONNECT(DT_INST_IRQ_BY_NAME(inst, rx_avail, irq),		\
 			    DT_INST_IRQ_BY_NAME(inst, rx_avail, priority),	\
@@ -657,7 +638,7 @@ COND_CODE_1(IS_EQ(DT_NUM_IRQS(DT_DRV_INST(inst)), 1),              \
 		SPI_CONTEXT_CS_GPIOS_INITIALIZE(DT_DRV_INST(inst), ctx)                     \
 	};                                                                                  \
 	static const struct spi_dw_config spi_dw_config_##inst = {                          \
-		REG_ADDR(inst),                                                             \
+		DEVICE_MMIO_ROM_INIT(DT_DRV_INST(inst)),                                    \
 		.clock_frequency = COND_CODE_1(                                             \
 			DT_NODE_HAS_PROP(DT_INST_PHANDLE(inst, clocks), clock_frequency),   \
 			(DT_INST_PROP_BY_PHANDLE(inst, clocks, clock_frequency)),           \

dts/common/nordic/nrf54h20.dtsi

@@ -510,7 +510,7 @@
 			};
 
 			exmif: spi@95000 {
-				compatible = "nordic,nrf-exmif", "snps,designware-spi";
+				compatible = "nordic,nrf-exmif";
 				#address-cells = <1>;
 				#size-cells = <0>;
 				reg = <0x95000 0x500 0x95500 0xb00>;