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