platform.h

/* The RISCY Processor - A simple RISC-V based processor for FPGAs
 (c) Krishna Subramanian <https://github.com/mongrelgem>
*/

#ifndef PAEE_PLATFORM_H
#define PAEE_PLATFORM_H

// This file contains information about the platform that the PAEE is running
// on. The current version of the file contains information about the Arty-
// based "official" RISCY SoC.

// System clock frequency:
#define PLATFORM_SYSCLK_FREQ	50000000U

// Base addresses for peripherals:
#define PLATFORM_TIMER0_BASE	0xc0000000
#define PLATFORM_TIMER1_BASE	0xc0001000
#define PLATFORM_UART0_BASE	0xc0002000
#define PLATFORM_UART1_BASE	0xc0003000
#define PLATFORM_GPIO_BASE	0xc0004000
#define PLATFORM_ICERROR_BASE	0xc0005000
#define PLATFORM_PAEE_ROM_BASE	0xffff8000
#define PLATFORM_PAEE_RAM_BASE	0xffffc000

// Interrupts:
#define PLATFORM_IRQ_TIMER0	0
#define PLATFORM_IRQ_TIMER1	1
#define PLATFORM_IRQ_UART0	2
#define PLATFORM_IRQ_UART1	3
#define PLATFORM_IRQ_BUS_ERROR	4

#endif