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HACK: Add EEPROM writing at boot of SAM3 on qmod

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This is not for production use, but just for hardware verification
This commit is contained in:
Harald Welte
2016-09-01 20:57:56 +02:00
parent 73d697d788
commit 67415e3385
2 changed files with 54 additions and 6 deletions
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2
firmware/include_board/board_common.h
View File

@@ -63,7 +63,7 @@
/** UART0 */ /** UART0 */
/** Console baudrate always using 115200. */ /** Console baudrate always using 115200. */
#define CONSOLE_BAUDRATE 230400 #define CONSOLE_BAUDRATE 115200
/** Usart Hw interface used by the console (UART0). */ /** Usart Hw interface used by the console (UART0). */
#define CONSOLE_USART UART0 #define CONSOLE_USART UART0
/** Usart Hw ID used by the console (UART0). */ /** Usart Hw ID used by the console (UART0). */

58
firmware/src_simtrace/main.c
View File

@@ -133,24 +133,72 @@ extern int main(void)
g_unique_id[2], g_unique_id[3]); g_unique_id[2], g_unique_id[3]);
#if 1 #if 1
static const unsigned char __eeprom_bin[] = {
0x23, 0x42, 0x17, 0x25, 0x00, 0x00, 0x9b, 0x20, 0x01, 0xa0, 0x00, 0x5e,
0x01, 0x32, 0x01, 0x32, 0x32, 0x04, 0x09, 0x18, 0x0d, 0x00, 0x73, 0x00,
0x79, 0x00, 0x73, 0x00, 0x6d, 0x00, 0x6f, 0x00, 0x63, 0x00, 0x6f, 0x00,
0x6d, 0x00, 0x20, 0x00, 0x2d, 0x00, 0x20, 0x00, 0x73, 0x00, 0x2e, 0x00,
0x66, 0x00, 0x2e, 0x00, 0x6d, 0x00, 0x2e, 0x00, 0x63, 0x00, 0x2e, 0x00,
0x20, 0x00, 0x47, 0x00, 0x6d, 0x00, 0x62, 0x00, 0x48, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x71, 0x00, 0x75, 0x00, 0x61, 0x00, 0x64, 0x00, 0x20, 0x00, 0x6d, 0x00,
0x6f, 0x00, 0x64, 0x00, 0x65, 0x00, 0x6d, 0x00, 0x20, 0x00, 0x76, 0x00,
0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
};
static const unsigned int __eeprom_bin_len = 256;
static const Pin pin_hub_rst = {PIO_PA13, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT}; static const Pin pin_hub_rst = {PIO_PA13, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT};
PIO_Configure(&pin_hub_rst, 1); PIO_Configure(&pin_hub_rst, 1);
i2c_pin_init(); i2c_pin_init();
while (1) {
for (i = 0; i < 256; i ++) { /* wait */
int byte = eeprom_read_byte(0x50, i); volatile int v;
TRACE_INFO("0x%02x: %02x\r\n", i, byte); /* 440ns per cycle here */
} for (i = 0; i < 1000000; i++) {
v = 0;
} }
/* write the EEPROM once */
for (i = 0; i < 256; i++) {
int rc = eeprom_write_byte(0x50, i, __eeprom_bin[i]);
/* if the result was negative, repeat that write */
if (rc < 0)
i--;
}
/* then pursue re-reading it again and again */
for (i = 0; i < 256; i++) {
int byte = eeprom_read_byte(0x50, i);
TRACE_INFO("0x%02x: %02x\r\n", i, byte);
if (byte != __eeprom_bin[i])
TRACE_ERROR("Byte %u is wrong, expected 0x%02x, found 0x%02x\r\n",
i, __eeprom_bin[i], byte);
}
PIO_Clear(&pin_hub_rst);
#endif #endif
TRACE_INFO("USB init...\r\n"); TRACE_INFO("USB init...\r\n");
while (USBD_GetState() < USBD_STATE_CONFIGURED) { while (USBD_GetState() < USBD_STATE_CONFIGURED) {
#if 0
if (i >= MAX_USB_ITER * 3) { if (i >= MAX_USB_ITER * 3) {
TRACE_ERROR("Resetting board (USB could " TRACE_ERROR("Resetting board (USB could "
"not be configured)\r\n"); "not be configured)\r\n");
NVIC_SystemReset(); NVIC_SystemReset();
} }
#endif
i++; i++;
} }