/* Iteration 3: match vendor's "32-bit load, 64-bit test" pattern.
 * The u64v volatile forced clang to 64-bit loads and hoist the base
 * address out of the loop. Use u32v loads but upcast for the test. */
typedef volatile unsigned int u32v;

static inline unsigned long xld(u32v *p) {
    /* Zero-extend 32-bit load to 64-bit implicit via ldr w; tst x. */
    return (unsigned long)*p;
}

void train_phy_block(unsigned long ctx)
{
    unsigned char *phy = (unsigned char *)(*(unsigned long *)(ctx + 0xb8) + 0x8000);
    *(u32v *)(phy + 0x110) = 0xf000f000u;
    while ((*(u32v *)(phy + 0x118) & 0xf0000000u) == 0u) ;
    while ((*(u32v *)(phy + 0x120) & 0xf0000000u) == 0u) ;
    *(u32v *)(phy + 0x160) = 0x30003u;
    *(u32v *)(phy + 0x154) = 0x30003u;
    while ((xld((u32v *)(phy + 0x184)) & 3ul) == 0ul) ;
    *(u32v *)(phy + 0x154) = 0x30000u;
    while ((xld((u32v *)(phy + 0x184)) & 3ul) != 0ul) ;
    *(u32v *)(phy + 0x160) = 0x30000u;
    *(u32v *)(phy + 0x110) = 0xf0000000u;
}