efDataPreprocessing dataSynchronizationMemory.c 沈瑞清 commit at 2021-03-15

efDataPreprocessing/databaseOperation/dataSynchronizationMemory.c

@@ -755,3 +755,171 @@ static void __init at91_add_device_watchdog(void)
 }
 #else
 static void __init at91_add_device_watchdog(void) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  PWM
+ * --------------------------------------------------------------------*/
+
+#if defined(CONFIG_ATMEL_PWM)
+static u32 pwm_mask;
+
+static struct resource pwm_resources[] = {
+	[0] = {
+		.start	= AT91SAM9RL_BASE_PWMC,
+		.end	= AT91SAM9RL_BASE_PWMC + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= NR_IRQS_LEGACY + AT91SAM9RL_ID_PWMC,
+		.end	= NR_IRQS_LEGACY + AT91SAM9RL_ID_PWMC,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device at91sam9rl_pwm0_device = {
+	.name	= "atmel_pwm",
+	.id	= -1,
+	.dev	= {
+		.platform_data		= &pwm_mask,
+	},
+	.resource	= pwm_resources,
+	.num_resources	= ARRAY_SIZE(pwm_resources),
+};
+
+void __init at91_add_device_pwm(u32 mask)
+{
+	if (mask & (1 << AT91_PWM0))
+		at91_set_B_periph(AT91_PIN_PB8, 1);	/* enable PWM0 */
+
+	if (mask & (1 << AT91_PWM1))
+		at91_set_B_periph(AT91_PIN_PB9, 1);	/* enable PWM1 */
+
+	if (mask & (1 << AT91_PWM2))
+		at91_set_B_periph(AT91_PIN_PD5, 1);	/* enable PWM2 */
+
+	if (mask & (1 << AT91_PWM3))
+		at91_set_B_periph(AT91_PIN_PD8, 1);	/* enable PWM3 */
+
+	pwm_mask = mask;
+
+	platform_device_register(&at91sam9rl_pwm0_device);
+}
+#else
+void __init at91_add_device_pwm(u32 mask) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  SSC -- Synchronous Serial Controller
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
+static u64 ssc0_dmamask = DMA_BIT_MASK(32);
+
+static struct resource ssc0_resources[] = {
+	[0] = {
+		.start	= AT91SAM9RL_BASE_SSC0,
+		.end	= AT91SAM9RL_BASE_SSC0 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= NR_IRQS_LEGACY + AT91SAM9RL_ID_SSC0,
+		.end	= NR_IRQS_LEGACY + AT91SAM9RL_ID_SSC0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device at91sam9rl_ssc0_device = {
+	.name	= "at91rm9200_ssc",
+	.id	= 0,
+	.dev	= {
+		.dma_mask		= &ssc0_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.resource	= ssc0_resources,
+	.num_resources	= ARRAY_SIZE(ssc0_resources),
+};
+
+static inline void configure_ssc0_pins(unsigned pins)
+{
+	if (pins & ATMEL_SSC_TF)
+		at91_set_A_periph(AT91_PIN_PC0, 1);
+	if (pins & ATMEL_SSC_TK)
+		at91_set_A_periph(AT91_PIN_PC1, 1);
+	if (pins & ATMEL_SSC_TD)
+		at91_set_A_periph(AT91_PIN_PA15, 1);
+	if (pins & ATMEL_SSC_RD)
+		at91_set_A_periph(AT91_PIN_PA16, 1);
+	if (pins & ATMEL_SSC_RK)
+		at91_set_B_periph(AT91_PIN_PA10, 1);
+	if (pins & ATMEL_SSC_RF)
+		at91_set_B_periph(AT91_PIN_PA22, 1);
+}
+
+static u64 ssc1_dmamask = DMA_BIT_MASK(32);
+
+static struct resource ssc1_resources[] = {
+	[0] = {
+		.start	= AT91SAM9RL_BASE_SSC1,
+		.end	= AT91SAM9RL_BASE_SSC1 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= NR_IRQS_LEGACY + AT91SAM9RL_ID_SSC1,
+		.end	= NR_IRQS_LEGACY + AT91SAM9RL_ID_SSC1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device at91sam9rl_ssc1_device = {
+	.name	= "at91rm9200_ssc",
+	.id	= 1,
+	.dev	= {
+		.dma_mask		= &ssc1_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.resource	= ssc1_resources,
+	.num_resources	= ARRAY_SIZE(ssc1_resources),
+};
+
+static inline void configure_ssc1_pins(unsigned pins)
+{
+	if (pins & ATMEL_SSC_TF)
+		at91_set_B_periph(AT91_PIN_PA29, 1);
+	if (pins & ATMEL_SSC_TK)
+		at91_set_B_periph(AT91_PIN_PA30, 1);
+	if (pins & ATMEL_SSC_TD)
+		at91_set_B_periph(AT91_PIN_PA13, 1);
+	if (pins & ATMEL_SSC_RD)
+		at91_set_B_periph(AT91_PIN_PA14, 1);
+	if (pins & ATMEL_SSC_RK)
+		at91_set_B_periph(AT91_PIN_PA9, 1);
+	if (pins & ATMEL_SSC_RF)
+		at91_set_B_periph(AT91_PIN_PA8, 1);
+}
+
+/*
+ * SSC controllers are accessed through library code, instead of any
+ * kind of all-singing/all-dancing driver.  For example one could be
+ * used by a particular I2S audio codec's driver, while another one
+ * on the same system might be used by a custom data capture driver.
+ */
+void __init at91_add_device_ssc(unsigned id, unsigned pins)
+{
+	struct platform_device *pdev;
+
+	/*
+	 * NOTE: caller is responsible for passing information matching
+	 * "pins" to whatever will be using each particular controller.
+	 */
+	switch (id) {
+	case AT91SAM9RL_ID_SSC0:
+		pdev = &at91sam9rl_ssc0_device;
+		configure_ssc0_pins(pins);
+		break;
+	case AT91SAM9RL_ID_SSC1:
+		pdev = &at91sam9rl_ssc1_device;
+		configure_ssc1_pins(pins);
+		break;