B2_FAR
reg = skge_read32(hw, B2_FAR);
skge_write8(hw, B2_FAR + 3, 0xff);
ret = (skge_read8(hw, B2_FAR + 3) != 0);
skge_write32(hw, B2_FAR, reg);
#define GET_PAGE(bank) outpd(ADDR(B2_FAR),bank)