replaces ehrenberg with new implementations

env/moonlight/platform.h

@@ -0,0 +1,53 @@
+// See LICENSE for license details.
+
+#ifndef _ISS_PLATFORM_H
+#define _ISS_PLATFORM_H
+
+#if __riscv_xlen == 32
+#define MCAUSE_INT         0x80000000UL
+#define MCAUSE_CAUSE       0x000003FFUL
+#else
+#define MCAUSE_INT         0x8000000000000000UL
+#define MCAUSE_CAUSE       0x00000000000003FFUL
+#endif
+
+#define APB_BUS
+
+#include "ehrenberg/devices/gpio.h"
+#include "ehrenberg/devices/uart.h"
+#include "ehrenberg/devices/timer.h"
+#include "ehrenberg/devices/aclint.h"
+#include "ehrenberg/devices/qspi.h"
+#include "ehrenberg/devices/i2s.h"
+#include "ehrenberg/devices/camera.h"
+#include "ehrenberg/devices/dma.h"
+#include "ehrenberg/devices/msg_if.h"
+
+#define PERIPH(TYPE, ADDR) ((volatile TYPE*) (ADDR))
+
+#define APB_BASE 0xF0000000
+
+#define gpio        PERIPH(gpio_t,         APB_BASE+0x0000)
+#define uart        PERIPH(uart_t,         APB_BASE+0x1000)
+#define timer       PERIPH(timercounter_t, APB_BASE+0x20000)
+#define aclint      PERIPH(aclint_t,       APB_BASE+0x30000)
+#define irq         PERIPH(irq_t,          APB_BASE+0x40000)
+#define qspi        PERIPH(qspi_t,         APB_BASE+0x50000)
+#define i2s         PERIPH(i2s_t,          APB_BASE+0x90000)
+#define camera      PERIPH(camera_t,       APB_BASE+0xA0000)
+#define dma         PERIPH(dma_t,          APB_BASE+0xB0000)
+#define msgif       PERIPH(msgif_t,        APB_BASE+0xC0000)
+
+
+#define XIP_START_LOC 0xE0040000
+#define RAM_START_LOC 0x80000000
+
+// Misc
+
+#include <stdint.h>
+
+void init_pll(void);
+unsigned long get_cpu_freq(void);
+unsigned long get_timer_freq(void);
+
+#endif /* _ISS_PLATFORM_H */