github.com/rdolbeau.SBusFPGA
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fix i2c support

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This commit is contained in:
Romain Dolbeau
2022-02-25 22:28:48 +01:00
parent def3e5e8ae
commit ff212ded91
3 changed files with 11 additions and 8 deletions
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6
NetBSD/9.0/usr/src/sys/dev/sbus/sbusfpga_ociic.c
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@@ -80,13 +80,13 @@ struct ociic_softc {
static inline uint8_t
ociic_read(struct ociic_softc *sc, bus_size_t reg)
{
return bus_space_read_1(sc->sc_bustag, sc->sc_bhregs_i2c, reg);
return (uint8_t)bus_space_read_4(sc->sc_bustag, sc->sc_bhregs_i2c, reg);
}
static inline void
ociic_write(struct ociic_softc *sc, bus_size_t reg, const uint8_t value)
{
bus_space_write_1(sc->sc_bustag, sc->sc_bhregs_i2c, reg, value);
bus_space_write_4(sc->sc_bustag, sc->sc_bhregs_i2c, reg, (uint32_t)value);
}
static inline void
@@ -202,7 +202,7 @@ ociic_attach(device_t parent, device_t self, void *aux)
/* ociic_write(sc, I2C_PRER_LO, div & 0xff); */
/* ociic_write(sc, I2C_PRER_HI, div >> 8); */
bus_space_write_2(sc->sc_bustag, sc->sc_bhregs_i2c, I2C_PRER, div);
bus_space_write_4(sc->sc_bustag, sc->sc_bhregs_i2c, I2C_PRER, div);
aprint_normal_dev(self, "div = %d\n", div);
} else {
aprint_error(": invalid clock/bus speed\n");