#include <stdio.h>
#include <string.h>

int portwidth = 1;

int chipwidth = 1;

static void flash_make_cmd(unsigned int cmd, void *cmdbuf)
{
	int i;
	int cword_offset;
	int cp_offset;
	unsigned char val;
	unsigned char *cp = (unsigned char *) cmdbuf;

	for (i = portwidth; i > 0; i--){
		cword_offset = (portwidth-i)%chipwidth;
#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
		cp_offset = portwidth - i;
		val = *((unsigned char*)&cmd + cword_offset);
#else
		cp_offset = i - 1;
		val = *((unsigned char*)&cmd + sizeof(unsigned long) - cword_offset - 1);
#endif
		cp[cp_offset] = (cword_offset >= sizeof(unsigned long)) ? 0x00 : val;
	}
}

int main(void) {

	int i;
	unsigned char buf[8];

	memset(buf, 0, 8);
	flash_make_cmd(0xf0, &buf);
	for (i = 0; i < 8; i++)
		printf("%d -> %02x\n",
				i, buf[i]);
	return 0;
}