Adding lm32 demo to SAKC project

lm32/logic/sakc/firmware/hw-test/soc-hw.h

@@ -0,0 +1,108 @@
+#ifndef SPIKEHW_H
+#define SPIKEHW_H
+
+#define PROMSTART 0x00000000
+#define RAMSTART  0x00000800
+#define RAMSIZE   0x400
+#define RAMEND    (RAMSTART + RAMSIZE)
+
+#define RAM_START 0x40000000
+#define RAM_SIZE  0x04000000
+
+#define FCPU      50000000
+
+#define UART_RXBUFSIZE 32
+
+/****************************************************************************
+ * Types
+ */
+typedef unsigned int  uint32_t;    // 32 Bit
+typedef signed   int   int32_t;    // 32 Bit
+
+typedef unsigned char  uint8_t;    // 8 Bit
+typedef signed   char   int8_t;    // 8 Bit
+
+/****************************************************************************
+ * Interrupt handling
+ */
+typedef void(*isr_ptr_t)(void);
+
+void     irq_enable();
+void     irq_disable();
+void     irq_set_mask(uint32_t mask);
+uint32_t irq_get_mak();
+
+void     isr_init();
+void     isr_register(int irq, isr_ptr_t isr);
+void     isr_unregister(int irq);
+
+/****************************************************************************
+ * General Stuff
+ */
+void     halt();
+void     jump(uint32_t addr);
+
+
+/****************************************************************************
+ * Timer
+ */
+#define TIMER_EN     0x08    // Enable Timer
+#define TIMER_AR     0x04    // Auto-Reload
+#define TIMER_IRQEN  0x02    // IRQ Enable
+#define TIMER_TRIG   0x01    // Triggered (reset when writing to TCR)
+
+typedef struct {
+	volatile uint32_t tcr0;
+	volatile uint32_t compare0;
+	volatile uint32_t counter0;
+	volatile uint32_t tcr1;
+	volatile uint32_t compare1;
+	volatile uint32_t counter1;
+} timer_t;
+
+void msleep(uint32_t msec);
+void nsleep(uint32_t nsec);
+
+void tic_init();
+
+
+/***************************************************************************
+ * GPIO0
+ */
+typedef struct {
+	volatile uint32_t ctrl;
+	volatile uint32_t dummy1;
+	volatile uint32_t dummy2;
+	volatile uint32_t dummy3;
+	volatile uint32_t in;
+	volatile uint32_t out;
+	volatile uint32_t oe;
+} gpio_t;
+
+/***************************************************************************
+ * UART0
+ */
+#define UART_DR   0x01                    // RX Data Ready
+#define UART_ERR  0x02                    // RX Error
+#define UART_BUSY 0x10                    // TX Busy
+
+typedef struct {
+   volatile uint32_t ucr;
+   volatile uint32_t rxtx;
+} uart_t;
+
+void uart_init();
+void uart_putchar(char c);
+void uart_putstr(char *str);
+char uart_getchar();
+
+
+/***************************************************************************
+ * Pointer to actual components
+ */
+extern timer_t  *timer0;
+extern uart_t   *uart0; 
+extern gpio_t   *gpio0; 
+extern uint32_t *sram0; 
+
+#endif // SPIKEHW_H