SRAM_BASE
rtcsram_read_buf(sc, SRAM_BASE, &sc->sc_sram, sizeof(sc->sc_sram));
*ptr++ = ahc_inb(ahc, SRAM_BASE + i);
ahc_outb(ahc, SRAM_BASE + i, *ptr++);
*sc_data = ahc_inb(ahc, SRAM_BASE + j)
| ahc_inb(ahc, SRAM_BASE + j + 1) << 8;
ahd_outl(ahd, SRAM_BASE, 0x5aa555aa);
if (ahd_inl(ahd, SRAM_BASE) != 0x5aa555aa)