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//
// Simple (boot) FLASH test
//
//-----------------------------------------------------------------
// Copyright (C) 2003, Gary Thomas <gary@mlbassoc.com>
//-----------------------------------------------------------------
#define BOOT_FLASH 0xFFF80000 // 512K
#define SETUP1 0x5555
#define SETUP2 0x2AAA
#define SETUP_CODE1 0xAA
#define SETUP_CODE2 0x55
#define QUERY_START 0x90
#define QUERY_END 0xF0
#define MANUF_ID 0
#define PART_ID 1
static void
hang(void)
{
while (1) ;
}
void
run_test(void)
{
volatile unsigned char *flash = (volatile unsigned char *)BOOT_FLASH;
unsigned char info[2];
tty_puts("FLASH test started\n");
// Send "query" command sequence
flash[SETUP1] = SETUP_CODE1;
flash[SETUP2] = SETUP_CODE2;
flash[SETUP1] = QUERY_START;
// Fetch query information
info[0] = flash[MANUF_ID];
info[1] = flash[PART_ID];
// Send "query done" command sequence
flash[SETUP1] = SETUP_CODE1;
flash[SETUP2] = SETUP_CODE2;
flash[SETUP1] = QUERY_END;
tty_puts("FLASH query info = ");
tty_puthex(info[0]<<8 | info[1]);
tty_puts("\n");
// Done
tty_puts("Done\n");
}
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