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authorwdenk <wdenk>2004-10-10 23:27:33 +0000
committerwdenk <wdenk>2004-10-10 23:27:33 +0000
commite1599e83d643c1667a4157d03609c6e29928fb2e (patch)
tree5de7676c2c02bdddb3f01251d14bfdd43454cde0 /cpu/mpc8260/i2c.c
parentc15f3120eca5359ed7ec1a359085312bbafca169 (diff)
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* Patch by Gridish Shlomi, 30 Aug 2004:
- Add support to revA version of PQ27 and PQ27E. - Reverted MPC8260ADS baudrate back to original 115200 * Patch by Hojin, 17 Sep 2004: Fix typo in cfi_flash.c * Patch by Mark Jonas, 09 September 2004: mtest's data line test (with CFG_ALT_MEMTEST set) returned a wrong error message * Patch by Mark Jonas, 31 August 2004: Added option CFG_XLB_PIPELINING to enable XLB pipelining. This improves FTP performance for MPC5200 systems. Enabled for IceCube by default.
Diffstat (limited to 'cpu/mpc8260/i2c.c')
-rw-r--r--cpu/mpc8260/i2c.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/cpu/mpc8260/i2c.c b/cpu/mpc8260/i2c.c
index 789c514..e0ac684 100644
--- a/cpu/mpc8260/i2c.c
+++ b/cpu/mpc8260/i2c.c
@@ -149,7 +149,7 @@ i2c_roundrate(int hz, int speed, int filter, int modval,
PRINTD(("\t\tmoddiv=%d, brgdiv=%d\n", moddiv, brgdiv));
- *brgval = (brgdiv / 2) - 3 - (2*filter);
+ *brgval = ((brgdiv + 1) / 2) - 3 - (2*filter);
if ((*brgval < 0) || (*brgval > 255)) {
PRINTD(("\t\trejected brgval=%d\n", *brgval));
@@ -158,7 +158,7 @@ i2c_roundrate(int hz, int speed, int filter, int modval,
brgdiv = 2 * (*brgval + 3 + (2 * filter));
div = moddiv * brgdiv ;
- *totspeed = (hz + div - 1) / div;
+ *totspeed = hz / div;
PRINTD(("\t\taccepted brgval=%d, totspeed=%d\n", *brgval, *totspeed));