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29 * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
33 * \brief LM3S debug support (implementation).
35 * \author Andrea Righi <arighi@develer.com>
38 #include <cfg/cfg_debug.h>
39 #include <cfg/macros.h> /* for BV() */
40 #include <drv/clock_lm3s.h> /* lm3s_busyWait() */
41 #include <drv/gpio_lm3s.h>
43 #include <drv/ser_lm3s.h>
44 #include "kdebug_lm3s.h"
46 #if CONFIG_KDEBUG_PORT == KDEBUG_PORT_DBGU
48 #if CONFIG_KDEBUG_PORT == 0
49 #define UART_BASE UART0_BASE
50 #elif CONFIG_KDEBUG_PORT == 1
51 #define UART_BASE UART1_BASE
52 #elif CONFIG_KDEBUG_PORT == 2
53 #define UART_BASE UART2_BASE
55 #error "UART port not supported in this board"
58 #define KDBG_WAIT_READY() while (!lm3s_uartReady(UART_BASE)) {}
59 #define KDBG_WAIT_TXDONE() while (!lm3s_uartTxDone(UART_BASE)) {}
61 #define KDBG_WRITE_CHAR(c) do { lm3s_uartPutCharNonBlocking(UART_BASE, c); } while(0)
63 /* Debug unit is used only for debug purposes so does not generate interrupts. */
64 #define KDBG_MASK_IRQ(old) do { (void)old; } while(0)
66 /* Debug unit is used only for debug purposes so does not generate interrupts. */
67 #define KDBG_RESTORE_IRQ(old) do { (void)old; } while(0)
69 typedef uint32_t kdbg_irqsave_t;
72 #error CONFIG_KDEBUG_PORT should be KDEBUG_PORT_DBGU
75 INLINE void kdbg_hw_init(void)
77 /* Initialize UART0 */
78 lm3s_uartInit(CONFIG_KDEBUG_PORT);