leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mpc512x: Fix PSC divisor calculation for baudrate setting

Browse Source 
The wrong input frequency was used in serial_setbrg(). This patch fixes
this by using ips_clk as input frequency for the PSC baudrate generator.

Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Stefan Roese 2009-06-02 16:53:15 +02:00 committed by Wolfgang Denk
parent 52568c3654
commit b8c1d6a54f
1 changed files with 1 additions and 1 deletions

2
cpu/mpc512x/serial.c
View File

@ -167,7 +167,7 @@ void serial_setbrg (void)
volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
unsigned long baseclk, div;
baseclk = (gd->csb_clk + 8) / 16;
baseclk = (gd->ips_clk + 8) / 16;
div = (baseclk + (gd->baudrate / 2)) / gd->baudrate;
out_8(&psc->ctur, (div >> 8) & 0xFF);