diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-ocores.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-ocores.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c index abf5db7e441e..11b7b87311ed 100644 --- a/drivers/i2c/busses/i2c-ocores.c +++ b/drivers/i2c/busses/i2c-ocores.c @@ -92,6 +92,16 @@ static void oc_setreg_32(struct ocores_i2c *i2c, int reg, u8 value) iowrite32(value, i2c->base + (reg << i2c->reg_shift)); } +static void oc_setreg_16be(struct ocores_i2c *i2c, int reg, u8 value) +{ + iowrite16be(value, i2c->base + (reg << i2c->reg_shift)); +} + +static void oc_setreg_32be(struct ocores_i2c *i2c, int reg, u8 value) +{ + iowrite32be(value, i2c->base + (reg << i2c->reg_shift)); +} + static inline u8 oc_getreg_8(struct ocores_i2c *i2c, int reg) { return ioread8(i2c->base + (reg << i2c->reg_shift)); @@ -107,6 +117,16 @@ static inline u8 oc_getreg_32(struct ocores_i2c *i2c, int reg) return ioread32(i2c->base + (reg << i2c->reg_shift)); } +static inline u8 oc_getreg_16be(struct ocores_i2c *i2c, int reg) +{ + return ioread16be(i2c->base + (reg << i2c->reg_shift)); +} + +static inline u8 oc_getreg_32be(struct ocores_i2c *i2c, int reg) +{ + return ioread32be(i2c->base + (reg << i2c->reg_shift)); +} + static inline void oc_setreg(struct ocores_i2c *i2c, int reg, u8 value) { i2c->setreg(i2c, reg, value); @@ -428,6 +448,9 @@ static int ocores_i2c_probe(struct platform_device *pdev) i2c->reg_io_width = 1; /* Set to default value */ if (!i2c->setreg || !i2c->getreg) { + bool be = pdata ? pdata->big_endian : + of_device_is_big_endian(pdev->dev.of_node); + switch (i2c->reg_io_width) { case 1: i2c->setreg = oc_setreg_8; @@ -435,13 +458,13 @@ static int ocores_i2c_probe(struct platform_device *pdev) break; case 2: - i2c->setreg = oc_setreg_16; - i2c->getreg = oc_getreg_16; + i2c->setreg = be ? oc_setreg_16be : oc_setreg_16; + i2c->getreg = be ? oc_getreg_16be : oc_getreg_16; break; case 4: - i2c->setreg = oc_setreg_32; - i2c->getreg = oc_getreg_32; + i2c->setreg = be ? oc_setreg_32be : oc_setreg_32; + i2c->getreg = be ? oc_getreg_32be : oc_getreg_32; break; default: |