OMAP32_ID_1
die_rev = (omap_readl(OMAP32_ID_1) >> 28) & 0xf;
printk(KERN_DEBUG "OMAP32_ID_1: 0x%08x\n", omap_readl(OMAP32_ID_1));
omap_id = omap_readl(OMAP32_ID_1);