X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=cpu%2Fmpc86xx%2Fspeed.c;h=da5b58b73f29441761d0abd430f8d1f19a879103;hb=dbab0691d2533560f7e91b92ae844046a9ad1df3;hp=7e884f8e0142334c96bf15996199d1f6d75d2a76;hpb=20c93959330aba8b5bbdbfde1ef319e99eba235d;p=u-boot

diff --git a/cpu/mpc86xx/speed.c b/cpu/mpc86xx/speed.c
index 7e884f8e01..da5b58b73f 100644
--- a/cpu/mpc86xx/speed.c
+++ b/cpu/mpc86xx/speed.c
@@ -105,8 +105,20 @@ int get_clocks(void)
 	get_sys_info(&sys_info);
 	gd->cpu_clk = sys_info.freqProcessor;
 	gd->bus_clk = sys_info.freqSystemBus;
+
+	/*
+	 * The base clock for I2C depends on the actual SOC.  Unfortunately,
+	 * there is no pattern that can be used to determine the frequency, so
+	 * the only choice is to look up the actual SOC number and use the value
+	 * for that SOC. This information is taken from application note
+	 * AN2919.
+	 */
+#ifdef CONFIG_MPC8610
 	gd->i2c1_clk = sys_info.freqSystemBus;
-	gd->i2c2_clk = sys_info.freqSystemBus;
+#else
+	gd->i2c1_clk = sys_info.freqSystemBus / 2;
+#endif
+	gd->i2c2_clk = gd->i2c1_clk;
 
 	if (gd->cpu_clk != 0)
 		return 0;