#ifndef __RASPI4_H__ #define __RASPI4_H__ //https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711/rpi_DATA_2711_1p0.pdf #define __REG32(x) (*((volatile unsigned int *)(x))) #define __REG16(x) (*((volatile unsigned short *)(x))) /* GIC IRQ MAX */ #define MAX_HANDLERS (256) /* base address */ #define PER_BASE (0xFE000000) //gpio offset #define GPIO_BASE_OFFSET (0x00200000) //pl011 offset #define PL011_UART0_BASE_OFFSET (0x00201000) #define PL011_UART2_BASE_OFFSET (0x00201400) #define PL011_UART3_BASE_OFFSET (0x00201600) #define PL011_UART4_BASE_OFFSET (0x00201800) #define PL011_UART5_BASE_OFFSET (0x00201A00) //pactl cs offset #define PACTL_CS_OFFSET (0x00204E00) //aux offset #define AUX_BASE_OFFSET (0x00215000) /* GPIO */ #define GPIO_BASE (PER_BASE + GPIO_BASE_OFFSET) #define GPIO_IRQ_NUM (3) //40 pin mode #define IRQ_GPIO0 (96 + 49) //bank0 (0 to 27) #define IRQ_GPIO1 (96 + 50) //bank1 (28 to 45) #define IRQ_GPIO2 (96 + 51) //bank2 (46 to 57) #define IRQ_GPIO3 (96 + 52) //bank3 /* Timer (ARM side) */ #define ARM_TIMER_IRQ (64) #define ARM_TIMER_BASE (PER_BASE + 0xB000) #define ARM_TIMER_LOAD HWREG32(ARM_TIMER_BASE + 0x400) #define ARM_TIMER_VALUE HWREG32(ARM_TIMER_BASE + 0x404) #define ARM_TIMER_CTRL HWREG32(ARM_TIMER_BASE + 0x408) #define ARM_TIMER_IRQCLR HWREG32(ARM_TIMER_BASE + 0x40C) #define ARM_TIMER_RAWIRQ HWREG32(ARM_TIMER_BASE + 0x410) #define ARM_TIMER_MASKIRQ HWREG32(ARM_TIMER_BASE + 0x414) #define ARM_TIMER_RELOAD HWREG32(ARM_TIMER_BASE + 0x418) #define ARM_TIMER_PREDIV HWREG32(ARM_TIMER_BASE + 0x41C) #define ARM_TIMER_CNTR HWREG32(ARM_TIMER_BASE + 0x420) /* UART PL011 */ #define UART0_BASE (PER_BASE + PL011_UART0_BASE_OFFSET) #define UART2_BASE (PER_BASE + PL011_UART2_BASE_OFFSET) #define UART3_BASE (PER_BASE + PL011_UART3_BASE_OFFSET) #define UART4_BASE (PER_BASE + PL011_UART4_BASE_OFFSET) #define UART5_BASE (PER_BASE + PL011_UART5_BASE_OFFSET) #define IRQ_AUX_UART (96 + 29) #define UART_REFERENCE_CLOCK (48000000) /* AUX */ #define AUX_BASE (PER_BASE + AUX_BASE_OFFSET) #define IRQ_PL011 (96 + 57) /* SPI */ #define SPI_0_BASE_OFFSET (0x00204000) #define SPI_3_BASE_OFFSET (0x00204600) #define SPI_4_BASE_OFFSET (0x00204800) #define SPI_5_BASE_OFFSET (0x00204A00) #define SPI_6_BASE_OFFSET (0x00204C00) #define SPI_0_BASE (PER_BASE + SPI_0_BASE_OFFSET) #define SPI_3_BASE (PER_BASE + SPI_3_BASE_OFFSET) #define SPI_4_BASE (PER_BASE + SPI_4_BASE_OFFSET) #define SPI_5_BASE (PER_BASE + SPI_5_BASE_OFFSET) #define SPI_6_BASE (PER_BASE + SPI_6_BASE_OFFSET) /* Peripheral IRQ OR-ing */ #define PACTL_CS HWREG32((PER_BASE + PACTL_CS_OFFSET)) typedef enum { IRQ_SPI0 = 0x00000000, IRQ_SPI1 = 0x00000002, IRQ_SPI2 = 0x00000004, IRQ_SPI3 = 0x00000008, IRQ_SPI4 = 0x00000010, IRQ_SPI5 = 0x00000020, IRQ_SPI6 = 0x00000040, IRQ_I2C0 = 0x00000100, IRQ_I2C1 = 0x00000200, IRQ_I2C2 = 0x00000400, IRQ_I2C3 = 0x00000800, IRQ_I2C4 = 0x00001000, IRQ_I2C5 = 0x00002000, IRQ_I2C6 = 0x00004000, IRQ_I2C7 = 0x00008000, IRQ_UART5 = 0x00010000, IRQ_UART4 = 0x00020000, IRQ_UART3 = 0x00040000, IRQ_UART2 = 0x00080000, IRQ_UART0 = 0x00100000 } PACTL_CS_VAL; // 0x40, 0x44, 0x48, 0x4c: Core 0~3 Timers interrupt control #define CORE0_TIMER_IRQ_CTRL HWREG32(0xFF800040) #define TIMER_IRQ 30 #define NON_SECURE_TIMER_IRQ (1 << 1) /* GIC */ #define INTC_BASE (0xff800000) #define ARM_GIC_NR_IRQS (512) #define ARM_GIC_MAX_NR (512) #define GIC_V2_DISTRIBUTOR_BASE (INTC_BASE + 0x00041000) #define GIC_V2_CPU_INTERFACE_BASE (INTC_BASE + 0x00042000) #define GIC_V2_HYPERVISOR_BASE (INTC_BASE + 0x00044000) #define GIC_V2_VIRTUAL_CPU_BASE (INTC_BASE + 0x00046000) #define GIC_PL400_DISTRIBUTOR_PPTR GIC_V2_DISTRIBUTOR_BASE #define GIC_PL400_CONTROLLER_PPTR GIC_V2_CPU_INTERFACE_BASE #define GIC_IRQ_START 0 #define GIC_ACK_INTID_MASK 0x000003ff /* the basic constants and interfaces needed by gic */ rt_inline rt_uint32_t platform_get_gic_dist_base(void) { return GIC_PL400_DISTRIBUTOR_PPTR; } rt_inline rt_uint32_t platform_get_gic_cpu_base(void) { return GIC_PL400_CONTROLLER_PPTR; } static inline void __DSB(void) { __asm__ volatile ("dsb 0xF":::"memory"); } #endif