branch Attitude Adjustment

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 65 insertions, 0 deletions

diff --git a/package/uboot-lantiq/files/cpu/mips/danube/clock.c b/package/uboot-lantiq/files/cpu/mips/danube/clock.c
new file mode 100644
index 000000000..4219f8f92
--- /dev/null
+++ b/package/uboot-lantiq/files/cpu/mips/danube/clock.c
@@ -0,0 +1,65 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/danube.h>
+
+ulong ifx_get_ddr_hz(void)
+{
+	static const ulong ddr_freq[] = {166666667,133333333,111111111,83333333};
+	return ddr_freq[((*DANUBE_CGU_SYS) & 0x3)];
+}
+
+ulong ifx_get_cpuclk(void)
+{
+#ifdef CONFIG_USE_EMULATOR
+	return EMULATOR_CPU_SPEED;
+#else //NOT CONFIG_USE_EMULATOR
+	unsigned int ddr_clock=ifx_get_ddr_hz();
+	switch((*DANUBE_CGU_SYS) & 0xc){
+		case 0:
+		default:
+			return 323333333;
+		case 4:
+			return ddr_clock;
+		case 8:
+			return ddr_clock << 1;
+	}
+#endif
+}
+
+ulong get_bus_freq(ulong dummy)
+{
+#ifdef CONFIG_USE_EMULATOR
+	unsigned int  clkCPU;
+	clkCPU = ifx_get_cpuclk();
+	return clkCPU >> 2;
+#else //NOT CONFIG_USE_EMULATOR
+	unsigned int ddr_clock=ifx_get_ddr_hz();
+	if ((*DANUBE_CGU_SYS) & 0x40){
+		return ddr_clock >> 1;
+	}
+	return ddr_clock;
+#endif
+}
+