X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Farch%2Fm68k%2Fcpu%2Fmcf523x%2Fspeed.c;fp=qemu%2Froms%2Fu-boot%2Farch%2Fm68k%2Fcpu%2Fmcf523x%2Fspeed.c;h=a4aa05b3fa8a4846ff5a8d98e92dd1e0b2e214ef;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/u-boot/arch/m68k/cpu/mcf523x/speed.c b/qemu/roms/u-boot/arch/m68k/cpu/mcf523x/speed.c
new file mode 100644
index 000000000..a4aa05b3f
--- /dev/null
+++ b/qemu/roms/u-boot/arch/m68k/cpu/mcf523x/speed.c
@@ -0,0 +1,39 @@
+/*
+ *
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+
+#include <asm/immap.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+/*
+ * get_clocks() fills in gd->cpu_clock and gd->bus_clk
+ */
+int get_clocks(void)
+{
+	pll_t *pll = (pll_t *)(MMAP_PLL);
+
+	out_be32(&pll->syncr, PLL_SYNCR_MFD(1));
+
+	while (!(in_be32(&pll->synsr) & PLL_SYNSR_LOCK))
+		;
+
+	gd->bus_clk = CONFIG_SYS_CLK;
+	gd->cpu_clk = (gd->bus_clk * 2);
+
+#ifdef CONFIG_SYS_I2C_FSL
+	gd->arch.i2c1_clk = gd->bus_clk;
+#endif
+
+	return (0);
+}