SDMA_CONFIG
u32 val = rdlp(mp, SDMA_CONFIG);
val = rdlp(mp, SDMA_CONFIG);
wrlp(mp, SDMA_CONFIG, val);
writel(0x02000000, msp->base + 0x0400 + SDMA_CONFIG);
if (readl(msp->base + 0x0400 + SDMA_CONFIG) & 0x02000000)
wrlp(mp, SDMA_CONFIG, PORT_SDMA_CONFIG_DEFAULT_VALUE);
wrl(pep, SDMA_CONFIG, SDCR_BSZ8 | /* Burst size = 32 bytes */