2010-02-24 23:47:53 +00:00
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#include <mc1322x.h>
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#include <board.h>
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#include <uart1.h>
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2010-02-26 17:37:13 +00:00
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#include <nvm.h>
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2009-04-14 21:46:35 +00:00
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2010-02-24 23:47:53 +00:00
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/* INC = 767; MOD = 9999 works: 115200 @ 24 MHz 16 bit sample */
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#define INC 767
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#define MOD 9999
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2009-04-14 21:46:35 +00:00
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2010-02-24 23:47:53 +00:00
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#define READ_ADDR 0x1F000
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#define NBYTES 1024
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2009-04-14 21:46:35 +00:00
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2010-02-26 17:53:21 +00:00
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void putc(char c);
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void puts(char *s);
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2009-04-14 21:46:35 +00:00
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void put_hex(uint8_t x);
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void put_hex16(uint16_t x);
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void put_hex32(uint32_t x);
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const uint8_t hex[16]={'0','1','2','3','4','5','6','7',
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'8','9','a','b','c','d','e','f'};
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2009-04-20 22:31:13 +00:00
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2010-02-24 23:47:53 +00:00
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2009-04-14 21:46:35 +00:00
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void main(void) {
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2009-04-15 21:32:00 +00:00
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nvmType_t type=0;
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2009-04-15 15:58:29 +00:00
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nvmErr_t err;
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2009-04-15 21:32:00 +00:00
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uint32_t buf[NBYTES/4];
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uint32_t i;
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2009-04-14 21:46:35 +00:00
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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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2010-02-26 17:37:13 +00:00
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*UART1_CON = 0x0000c800; /* mask interrupts, 16 bit sample --- helps explain the baud rate */
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2009-04-14 21:46:35 +00:00
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/* INC = 767; MOD = 9999 works: 115200 @ 24 MHz 16 bit sample */
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#define INC 767
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#define MOD 9999
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2010-02-26 17:37:13 +00:00
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*UART1_BR = INC<<16 | MOD;
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2009-04-14 21:46:35 +00:00
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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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2010-02-26 17:37:13 +00:00
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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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2009-04-14 21:46:35 +00:00
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2009-04-15 17:40:21 +00:00
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vreg_init();
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2009-04-15 19:03:47 +00:00
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// puts("CRM status: 0x");
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// put_hex32(reg(0x80003018));
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// puts("\n\r");
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2009-04-15 17:40:21 +00:00
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2009-04-15 15:58:29 +00:00
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puts("Detecting internal nvm\n\r");
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err = nvm_detect(gNvmInternalInterface_c, &type);
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2009-04-15 21:32:00 +00:00
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2009-04-15 17:40:21 +00:00
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puts("nvm_detect returned: 0x");
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put_hex(err);
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puts(" type is: 0x");
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2009-04-15 19:03:47 +00:00
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put_hex32(type);
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2009-04-15 15:58:29 +00:00
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puts("\n\r");
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2009-04-15 21:32:00 +00:00
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nvm_setsvar(0);
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2010-02-24 23:47:53 +00:00
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err = nvm_read(gNvmInternalInterface_c, type, (uint8_t *)buf, READ_ADDR, NBYTES);
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2009-04-15 21:32:00 +00:00
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puts("nvm_read returned: 0x");
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put_hex(err);
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puts("\n\r");
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for(i=0; i<NBYTES/4; i++) {
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puts("0x");
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put_hex32(buf[i]);
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puts("\n\r");
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}
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2009-04-15 19:03:47 +00:00
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while(1) {continue;};
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2009-04-14 21:46:35 +00:00
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}
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2010-02-26 17:53:21 +00:00
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void putc(char c) {
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2010-02-26 17:37:13 +00:00
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while(*UT1CON == 31); /* wait for there to be room in the buffer */
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*UART1_DATA = c;
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2009-04-14 21:46:35 +00:00
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}
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2010-02-26 17:53:21 +00:00
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void puts(char *s) {
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2009-04-14 21:46:35 +00:00
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while(s && *s!=0) {
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putc(*s++);
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}
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}
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void put_hex(uint8_t x)
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{
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putc(hex[x >> 4]);
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putc(hex[x & 15]);
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}
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void put_hex16(uint16_t x)
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{
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put_hex((x >> 8) & 0xFF);
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put_hex((x) & 0xFF);
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}
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void put_hex32(uint32_t x)
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{
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put_hex((x >> 24) & 0xFF);
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put_hex((x >> 16) & 0xFF);
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put_hex((x >> 8) & 0xFF);
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put_hex((x) & 0xFF);
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}
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