43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
#include <mc1322x.h>
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#include <stdio.h>
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#include "put.h"
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#include "tests.h"
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void uart1_init(uint16_t inc, uint16_t mod) {
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/* Restore UART regs. to default */
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/* in case there is still bootloader state leftover */
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*UART1_CON = 0x0000c800; /* mask interrupts, 16 bit sample --- helps explain the baud rate */
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/* INC = 767; MOD = 9999 works: 115200 @ 24 MHz 16 bit sample */
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*UART1_BR = (inc << 16) | mod;
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/* see Section 11.5.1.2 Alternate Modes */
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/* you must enable the peripheral first BEFORE setting the function in GPIO_FUNC_SEL */
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/* From the datasheet: "The peripheral function will control operation of the pad IF */
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/* THE PERIPHERAL IS ENABLED. */
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*UART1_CON = 0x00000003; /* enable receive and transmit */
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*GPIO_FUNC_SEL0 = ( (0x01 << (14*2)) | (0x01 << (15*2)) ); /* set GPIO15-14 to UART (UART1 TX and RX)*/
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}
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void print_welcome(char* testname) {
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printf("mc1322x-test: %s\n\r",testname);
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printf("board: %s\n\r", STR2(BOARD));
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}
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void dump_regs(uint32_t base, uint32_t len) {
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volatile uint32_t i;
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printf("base +0 +4 +8 +c +10 +14 +18 +1c \n\r");
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for (i = 0; i < len; i ++) {
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if ((i & 7) == 0) {
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printf("%02x",4 * i);
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}
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printf(" %08x",*mem32(base+(4*i)));
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if ((i & 7) == 7)
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printf(NL);
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}
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printf(NL);
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}
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