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Fix MGT5100 PSC baudrate calculation
Patch by Sebastian Schau, 27 Jan 2005

Wolfgang Denk há 19 anos atrás
pai
commit
9f221d0738
2 ficheiros alterados com 6 adições e 3 exclusões
  1. 3 0
      CHANGELOG
  2. 3 3
      cpu/mpc5xxx/serial.c

+ 3 - 0
CHANGELOG

@@ -2,6 +2,9 @@
 Changes for U-Boot 1.1.4:
 ======================================================================
 
+* Fix MGT5100 PSC baudrate calculation
+  Patch by Sebastian Schau, 27 Jan 2005
+
 * OMAP242x fix for GP device booting
   - Add SRAM unlock for GP devices.
   - Change DDR DLL unlock value to allow DPLLout*1 operation.

+ 3 - 3
cpu/mpc5xxx/serial.c

@@ -152,14 +152,14 @@ serial_setbrg(void)
 	unsigned long baseclk, div;
 
 #if defined(CONFIG_MGT5100)
-	baseclk = CFG_MPC5XXX_CLKIN / 32;
+	baseclk = (CFG_MPC5XXX_CLKIN + 16) / 32;
 #elif defined(CONFIG_MPC5200)
 	baseclk = (gd->ipb_clk + 16) / 32;
 #endif
 
 	/* set up UART divisor */
 	div = (baseclk + (gd->baudrate/2)) / gd->baudrate;
-	psc->ctur = div >> 8;
-	psc->ctlr = div & 0xff;
+	psc->ctur = (div >> 8) & 0xFF;
+	psc->ctlr =  div & 0xff;
 }
 #endif /* CONFIG_PSC_CONSOLE */