imx: reorganize IMX code as other SOCs

Change is consistent with other SOCs and it is in preparation
for adding SOMs. SOC's related files are moved from cpu/ to
mach-imx/<SOC>.

This change is also coherent with the structure in kernel.

Signed-off-by: Stefano Babic <sbabic@denx.de>

CC: Fabio Estevam <fabio.estevam@nxp.com>
CC: Akshay Bhat <akshaybhat@timesys.com>
CC: Ken Lin <Ken.Lin@advantech.com.tw>
CC: Marek Vasut <marek.vasut@gmail.com>
CC: Heiko Schocher <hs@denx.de>
CC: "Sébastien Szymanski" <sebastien.szymanski@armadeus.com>
CC: Christian Gmeiner <christian.gmeiner@gmail.com>
CC: Stefan Roese <sr@denx.de>
CC: Patrick Bruenn <p.bruenn@beckhoff.com>
CC: Troy Kisky <troy.kisky@boundarydevices.com>
CC: Nikita Kiryanov <nikita@compulab.co.il>
CC: Otavio Salvador <otavio@ossystems.com.br>
CC: "Eric Bénard" <eric@eukrea.com>
CC: Jagan Teki <jagan@amarulasolutions.com>
CC: Ye Li <ye.li@nxp.com>
CC: Peng Fan <peng.fan@nxp.com>
CC: Adrian Alonso <adrian.alonso@nxp.com>
CC: Alison Wang <b18965@freescale.com>
CC: Tim Harvey <tharvey@gateworks.com>
CC: Martin Donnelly <martin.donnelly@ge.com>
CC: Marcin Niestroj <m.niestroj@grinn-global.com>
CC: Lukasz Majewski <lukma@denx.de>
CC: Adam Ford <aford173@gmail.com>
CC: "Albert ARIBAUD (3ADEV)" <albert.aribaud@3adev.fr>
CC: Boris Brezillon <boris.brezillon@free-electrons.com>
CC: Soeren Moch <smoch@web.de>
CC: Richard Hu <richard.hu@technexion.com>
CC: Wig Cheng <wig.cheng@technexion.com>
CC: Vanessa Maegima <vanessa.maegima@nxp.com>
CC: Max Krummenacher <max.krummenacher@toradex.com>
CC: Stefan Agner <stefan.agner@toradex.com>
CC: Markus Niebel <Markus.Niebel@tq-group.com>
CC: Breno Lima <breno.lima@nxp.com>
CC: Francesco Montefoschi <francesco.montefoschi@udoo.org>
CC: Jaehoon Chung <jh80.chung@samsung.com>
CC: Scott Wood <oss@buserror.net>
CC: Joe Hershberger <joe.hershberger@ni.com>
CC: Anatolij Gustschin <agust@denx.de>
CC: Simon Glass <sjg@chromium.org>
CC: "Andrew F. Davis" <afd@ti.com>
CC: "Łukasz Majewski" <l.majewski@samsung.com>
CC: Patrice Chotard <patrice.chotard@st.com>
CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
CC: Hans de Goede <hdegoede@redhat.com>
CC: Masahiro Yamada <yamada.masahiro@socionext.com>
CC: Stephen Warren <swarren@nvidia.com>
CC: Andre Przywara <andre.przywara@arm.com>
CC: "Álvaro Fernández Rojas" <noltari@gmail.com>
CC: York Sun <york.sun@nxp.com>
CC: Xiaoliang Yang <xiaoliang.yang@nxp.com>
CC: Chen-Yu Tsai <wens@csie.org>
CC: George McCollister <george.mccollister@gmail.com>
CC: Sven Ebenfeld <sven.ebenfeld@gmail.com>
CC: Filip Brozovic <fbrozovic@gmail.com>
CC: Petr Kulhavy <brain@jikos.cz>
CC: Eric Nelson <eric@nelint.com>
CC: Bai Ping <ping.bai@nxp.com>
CC: Anson Huang <Anson.Huang@nxp.com>
CC: Sanchayan Maity <maitysanchayan@gmail.com>
CC: Lokesh Vutla <lokeshvutla@ti.com>
CC: Patrick Delaunay <patrick.delaunay@st.com>
CC: Gary Bisson <gary.bisson@boundarydevices.com>
CC: Alexander Graf <agraf@suse.de>
CC: u-boot@lists.denx.de
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>

1 files changed, 0 insertions, 126 deletions

diff --git a/arch/arm/imx-common/syscounter.c b/arch/arm/imx-common/syscounter.c
deleted file mode 100644
index e00fef2665..0000000000
--- a/arch/arm/imx-common/syscounter.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Copyright (C) 2015 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- *
- * The file use ls102xa/timer.c as a reference.
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <div64.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/imx-common/syscounter.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * This function is intended for SHORT delays only.
- * It will overflow at around 10 seconds @ 400MHz,
- * or 20 seconds @ 200MHz.
- */
-unsigned long usec2ticks(unsigned long usec)
-{
-	ulong ticks;
-
-	if (usec < 1000)
-		ticks = ((usec * (get_tbclk()/1000)) + 500) / 1000;
-	else
-		ticks = ((usec / 10) * (get_tbclk() / 100000));
-
-	return ticks;
-}
-
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
-	unsigned long freq;
-
-	asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r" (freq));
-
-	tick *= CONFIG_SYS_HZ;
-	do_div(tick, freq);
-
-	return tick;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long usec)
-{
-	unsigned long freq;
-
-	asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r" (freq));
-
-	usec = usec * freq  + 999999;
-	do_div(usec, 1000000);
-
-	return usec;
-}
-
-int timer_init(void)
-{
-	struct sctr_regs *sctr = (struct sctr_regs *)SCTR_BASE_ADDR;
-	unsigned long val, freq;
-
-	freq = CONFIG_SC_TIMER_CLK;
-	asm("mcr p15, 0, %0, c14, c0, 0" : : "r" (freq));
-
-	writel(freq, &sctr->cntfid0);
-
-	/* Enable system counter */
-	val = readl(&sctr->cntcr);
-	val &= ~(SC_CNTCR_FREQ0 | SC_CNTCR_FREQ1);
-	val |= SC_CNTCR_FREQ0 | SC_CNTCR_ENABLE | SC_CNTCR_HDBG;
-	writel(val, &sctr->cntcr);
-
-	gd->arch.tbl = 0;
-	gd->arch.tbu = 0;
-
-	return 0;
-}
-
-unsigned long long get_ticks(void)
-{
-	unsigned long long now;
-
-	asm("mrrc p15, 0, %Q0, %R0, c14" : "=r" (now));
-
-	gd->arch.tbl = (unsigned long)(now & 0xffffffff);
-	gd->arch.tbu = (unsigned long)(now >> 32);
-
-	return now;
-}
-
-ulong get_timer_masked(void)
-{
-	return tick_to_time(get_ticks());
-}
-
-ulong get_timer(ulong base)
-{
-	return get_timer_masked() - base;
-}
-
-void __udelay(unsigned long usec)
-{
-	unsigned long long tmp;
-	ulong tmo;
-
-	tmo = us_to_tick(usec);
-	tmp = get_ticks() + tmo;	/* get current timestamp */
-
-	while (get_ticks() < tmp)	/* loop till event */
-		 /*NOP*/;
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
-	unsigned long freq;
-
-	asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r" (freq));
-
-	return freq;
-}