Move arch/ppc to arch/powerpc

As discussed on the list, move "arch/ppc" to "arch/powerpc" to
better match the Linux directory structure.

Please note that this patch also changes the "ppc" target in
MAKEALL to "powerpc" to match this new infrastructure. But "ppc"
is kept as an alias for now, to not break compatibility with
scripts using this name.

Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Wolfgang Denk <wd@denx.de>
Acked-by: Detlev Zundel <dzu@denx.de>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Anatolij Gustschin <agust@denx.de>

1 files changed, 67 insertions, 0 deletions

diff --git a/arch/powerpc/cpu/mpc5xx/speed.c b/arch/powerpc/cpu/mpc5xx/speed.c
new file mode 100644
index 000000000..ea5c1dead
--- /dev/null
+++ b/arch/powerpc/cpu/mpc5xx/speed.c
@@ -0,0 +1,67 @@
+/*
+ * (C) Copyright 2003
+ * Martin Winistoerfer, martinwinistoerfer@gmx.ch.
+ *
+ * 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,
+ */
+
+/*
+ * File:		speed.c
+ *
+ * Discription:		Provides cpu speed calculation
+ *
+ */
+
+#include <common.h>
+#include <mpc5xx.h>
+#include <asm/processor.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Get cpu and bus clock
+ */
+int get_clocks (void)
+{
+	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+
+#ifndef	CONFIG_5xx_GCLK_FREQ
+	uint divf = (immr->im_clkrst.car_plprcr & PLPRCR_DIVF_MSK);
+	uint mf = ((immr->im_clkrst.car_plprcr & PLPRCR_MF_MSK) >> PLPRCR_MF_SHIFT);
+	ulong vcoout;
+
+	vcoout = (CONFIG_SYS_OSC_CLK / (divf + 1)) * (mf + 1) * 2;
+	if(immr->im_clkrst.car_plprcr & PLPRCR_CSRC_MSK) {
+		gd->cpu_clk = vcoout / (2^(((immr->im_clkrst.car_sccr & SCCR_DFNL_MSK) >> SCCR_DFNL_SHIFT) + 1));
+	} else {
+		gd->cpu_clk = vcoout / (2^(immr->im_clkrst.car_sccr & SCCR_DFNH_MSK));
+	}
+
+#else /* CONFIG_5xx_GCLK_FREQ */
+	gd->bus_clk = CONFIG_5xx_GCLK_FREQ;
+#endif /* CONFIG_5xx_GCLK_FREQ */
+
+	if ((immr->im_clkrst.car_sccr & SCCR_EBDF11) == 0) {
+		/* No Bus Divider active */
+		gd->bus_clk = gd->cpu_clk;
+	} else {
+		/* CLKOUT is GCLK / 2 */
+		gd->bus_clk = gd->cpu_clk / 2;
+	}
+	return (0);
+}