diff options
Diffstat (limited to 'board/evb64260/i2c.c')
| -rw-r--r-- | board/evb64260/i2c.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/board/evb64260/i2c.c b/board/evb64260/i2c.c index 3eae3d9..8119fce 100644 --- a/board/evb64260/i2c.c +++ b/board/evb64260/i2c.c @@ -20,25 +20,25 @@ static void i2c_init(int speed, int slaveaddr) { unsigned int n, m, freq, margin, power; - unsigned int actualN = 0, actualM = 0; + unsigned int actualn = 0, actualm = 0; unsigned int control, status; - unsigned int minMargin = 0xffffffff; + unsigned int minmargin = 0xffffffff; unsigned int tclk = 125000000; DP(puts("i2c_init\n")); for (n = 0 ; n < 8 ; n++) { for (m = 0 ; m < 16 ; m++) { - power = 2<<n; /* power = 2^(n+1) */ - freq = tclk/(10*(m+1)*power); + power = 2 << n; /* power = 2^(n+1) */ + freq = tclk / (10 * (m + 1) * power); if (speed > freq) margin = speed - freq; else margin = freq - speed; - if (margin < minMargin) { - minMargin = margin; - actualN = n; - actualM = m; + if (margin < minmargin) { + minmargin = margin; + actualn = n; + actualm = m; } } } @@ -55,7 +55,7 @@ i2c_init(int speed, int slaveaddr) DP(puts("set baudrate\n")); - GT_REG_WRITE(I2C_STATUS_BAUDE_RATE, (actualM << 3) | actualN); + GT_REG_WRITE(I2C_STATUS_BAUDE_RATE, (actualm << 3) | actualn); GT_REG_WRITE(I2C_CONTROL, (0x1 << 2) | (0x1 << 6)); udelay(I2C_DELAY * 10); @@ -257,11 +257,11 @@ i2c_read(uchar dev_addr, unsigned int offset, int len, uchar *data, int ten_bit) { uchar status = 0; - unsigned int i2cFreq = 400000; + unsigned int i2cfreq = 400000; DP(puts("i2c_read\n")); - i2c_init(i2cFreq, 0); + i2c_init(i2cfreq, 0); status = i2c_start(); @@ -280,7 +280,7 @@ i2c_read(uchar dev_addr, unsigned int offset, int len, uchar *data, return status; } - i2c_init(i2cFreq, 0); + i2c_init(i2cfreq, 0); status = i2c_start(); if (status) { |