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#ifndef SYMBOLS_H
#define SYMBOLS_H
enum
{
// The offset for the MMIO area
#ifdef BSP23
MMIO_BASE = 0x3F000000, // For Raspberry Pi 2 and 3
#else
MMIO_BASE = 0xFE000000,
#endif
// The offsets for reach register.
GPIO_BASE = (MMIO_BASE + 0x200000),
//// The base address for UART.
UART0_BASE = (GPIO_BASE + 0x1000), // for raspi4 0xFE201000, raspi2 & 3 0x3F201000, and 0x20201000 for raspi1
// The offsets for reach register for the UART.
UART0_DR = (UART0_BASE + 0x00),
UART0_RSRECR = (UART0_BASE + 0x04),
UART0_FR = (UART0_BASE + 0x18),
UART0_ILPR = (UART0_BASE + 0x20),
UART0_IBRD = (UART0_BASE + 0x24),
UART0_FBRD = (UART0_BASE + 0x28),
UART0_LCRH = (UART0_BASE + 0x2C),
UART0_CR = (UART0_BASE + 0x30),
UART0_IFLS = (UART0_BASE + 0x34),
UART0_IMSC = (UART0_BASE + 0x38),
UART0_RIS = (UART0_BASE + 0x3C),
UART0_MIS = (UART0_BASE + 0x40),
UART0_ICR = (UART0_BASE + 0x44),
UART0_DMACR = (UART0_BASE + 0x48),
UART0_ITCR = (UART0_BASE + 0x80),
UART0_ITIP = (UART0_BASE + 0x84),
UART0_ITOP = (UART0_BASE + 0x88),
UART0_TDR = (UART0_BASE + 0x8C),
// IRQ REGISTERS
IRQ_BASE = (MMIO_BASE + 0xB000),
IRQ_BASIC_PENDING = (IRQ_BASE + 0x200),
IRQ_PENDING1 = (IRQ_BASE + 0x204),
IRQ_PENDING2 = (IRQ_BASE + 0x208),
FIQ_CONTROL = (IRQ_BASE + 0x20C),
IRQ_ENABLE1 = (IRQ_BASE + 0x210),
IRQ_ENABLE2 = (IRQ_BASE + 0x214),
IRQ_BASIC_ENABLE = (IRQ_BASE + 0x218),
IRQ_DISABLE1 = (IRQ_BASE + 0x21C),
IRQ_DISABLE2 = (IRQ_BASE + 0x220),
IRQ_BASIC_DISABLE = (IRQ_BASE + 0x224),
// Peripherals Interrupts
UART_0_IRQ = 57,
GPIO_IRQ_0 = 49,
GPIO_IRQ_1 = 50,
GPIO_IRQ_2 = 51,
GPIO_IRQ_3 = 52,
FIQ_ENABLE_FLAG = 1<<7,
// ARM Peripheral Interrupts
TIMER_ARM_IRQ = 0,
MAILBOX_ARM_IRQ = 1,
DOORBELL0_ARM_IRQ = 2,
DOORBELL1_ARM_IRQ = 3,
GPU0HALT_ARM_IRQ = 4,
GPU1HALT_ARM_IRQ = 5,
// The offsets for Mailbox registers
MBOX_BASE = 0xB880,
MBOX_READ = (MBOX_BASE + 0x00),
MBOX_STATUS = (MBOX_BASE + 0x18),
MBOX_WRITE = (MBOX_BASE + 0x20),
GPU_INTERRUPTS_ROUTING = 0x4000000C,
CORE0_TIMER_IRQCNTL = 0x40000040,
CORE1_TIMER_IRQCNTL = 0x40000044,
CORE2_TIMER_IRQCNTL = 0x40000048,
CORE3_TIMER_IRQCNTL = 0x4000004c,
CORE0_MBOX_IRQCNTL = 0x40000050,
CORE1_MBOX_IRQCNTL = 0x40000054,
CORE2_MBOX_IRQCNTL = 0x40000058,
CORE3_MBOX_IRQCNTL = 0x4000005c,
CORE0_IRQ_SOURCE = 0x40000060,
CORE1_IRQ_SOURCE = 0x40000064,
CORE2_IRQ_SOURCE = 0x40000068,
CORE3_IRQ_SOURCE = 0x4000006c,
CORE0_FIQ_SOURCE = 0x40000070,
CORE1_FIQ_SOURCE = 0x40000074,
CORE2_FIQ_SOURCE = 0x40000078,
CORE3_FIQ_SOURCE = 0x4000007c,
SYS_TIMER_CS = (MMIO_BASE + 0x3000),
SYS_TIMER_CHI = (MMIO_BASE + 0x3004),
SYS_TIMER_CLO = (MMIO_BASE + 0x3008),
SYS_TIMER_C0 = (MMIO_BASE + 0x300c),
SYS_TIMER_C1 = (MMIO_BASE + 0x3010),
SYS_TIMER_C2 = (MMIO_BASE + 0x3014),
SYS_TIMER_C3 = (MMIO_BASE + 0x3018),
SYS_TIMER_SC_M0 = (1 << 0),
SYS_TIMER_SC_M1 = (1 << 1),
SYS_TIMER_SC_M2 = (1 << 2),
SYS_TIMER_SC_M3 = (1 << 3),
};
#define GPFSEL0 ((volatile unsigned int*)(MMIO_BASE+0x00200000))
#define GPFSEL1 ((volatile unsigned int*)(MMIO_BASE+0x00200004))
#define GPFSEL2 ((volatile unsigned int*)(MMIO_BASE+0x00200008))
#define GPFSEL3 ((volatile unsigned int*)(MMIO_BASE+0x0020000C))
#define GPFSEL4 ((volatile unsigned int*)(MMIO_BASE+0x00200010))
#define GPFSEL5 ((volatile unsigned int*)(MMIO_BASE+0x00200014))
#define GPSET0 ((volatile unsigned int*)(MMIO_BASE+0x0020001C))
#define GPSET1 ((volatile unsigned int*)(MMIO_BASE+0x00200020))
#define GPCLR0 ((volatile unsigned int*)(MMIO_BASE+0x00200028))
#define GPLEV0 ((volatile unsigned int*)(MMIO_BASE+0x00200034))
#define GPLEV1 ((volatile unsigned int*)(MMIO_BASE+0x00200038))
#define GPEDS0 ((volatile unsigned int*)(MMIO_BASE+0x00200040))
#define GPEDS1 ((volatile unsigned int*)(MMIO_BASE+0x00200044))
#define GPREN0 ((volatile unsigned int*)(MMIO_BASE+0x0020004C))
#define GPREN1 ((volatile unsigned int*)(MMIO_BASE+0x00200050))
#define GPFEN0 ((volatile unsigned int*)(MMIO_BASE+0x00200058))
#define GPFEN1 ((volatile unsigned int*)(MMIO_BASE+0x0020005C))
#define GPAREN0 ((volatile unsigned int*)(MMIO_BASE+0x0020007C))
#define GPAREN1 ((volatile unsigned int*)(MMIO_BASE+0x00200080))
#define GPAFEN0 ((volatile unsigned int*)(MMIO_BASE+0x00200088))
#define GPAFEN1 ((volatile unsigned int*)(MMIO_BASE+0x0020008C))
#define GPHEN0 ((volatile unsigned int*)(MMIO_BASE+0x00200064))
#define GPHEN1 ((volatile unsigned int*)(MMIO_BASE+0x00200068))
// Controls actuation of pull up/down to ALL GPIO pins.
#define GPPUD ((volatile unsigned int*)(MMIO_BASE+0x00200094))
//// Controls actuation of pull up/down for specific GPIO pin.
#define GPPUDCLK0 ((volatile unsigned int*)(MMIO_BASE+0x00200098))
#define GPPUDCLK1 ((volatile unsigned int*)(MMIO_BASE+0x0020009C))
#endif
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