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, 107 deletions

diff --git a/arch/arm/imx-common/cache.c b/arch/arm/imx-common/cache.c
deleted file mode 100644
index 1c4a9a28c89..00000000000
--- a/arch/arm/imx-common/cache.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright 2015 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:     GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/armv7.h>
-#include <asm/pl310.h>
-#include <asm/io.h>
-#include <asm/imx-common/sys_proto.h>
-
-#ifndef CONFIG_SYS_DCACHE_OFF
-void enable_caches(void)
-{
-#if defined(CONFIG_SYS_ARM_CACHE_WRITETHROUGH)
-	enum dcache_option option = DCACHE_WRITETHROUGH;
-#else
-	enum dcache_option option = DCACHE_WRITEBACK;
-#endif
-	/* Avoid random hang when download by usb */
-	invalidate_dcache_all();
-
-	/* Enable D-cache. I-cache is already enabled in start.S */
-	dcache_enable();
-
-	/* Enable caching on OCRAM and ROM */
-	mmu_set_region_dcache_behaviour(ROMCP_ARB_BASE_ADDR,
-					ROMCP_ARB_END_ADDR,
-					option);
-	mmu_set_region_dcache_behaviour(IRAM_BASE_ADDR,
-					IRAM_SIZE,
-					option);
-}
-#endif
-
-#ifndef CONFIG_SYS_L2CACHE_OFF
-#ifdef CONFIG_SYS_L2_PL310
-#define IOMUXC_GPR11_L2CACHE_AS_OCRAM 0x00000002
-void v7_outer_cache_enable(void)
-{
-	struct pl310_regs *const pl310 = (struct pl310_regs *)L2_PL310_BASE;
-	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
-	unsigned int val;
-
-
-	/*
-	 * Must disable the L2 before changing the latency parameters
-	 * and auxiliary control register.
-	 */
-	clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
-
-	/*
-	 * Set bit 22 in the auxiliary control register. If this bit
-	 * is cleared, PL310 treats Normal Shared Non-cacheable
-	 * accesses as Cacheable no-allocate.
-	 */
-	setbits_le32(&pl310->pl310_aux_ctrl, L310_SHARED_ATT_OVERRIDE_ENABLE);
-
-	if (is_mx6sl() || is_mx6sll()) {
-		val = readl(&iomux->gpr[11]);
-		if (val & IOMUXC_GPR11_L2CACHE_AS_OCRAM) {
-			/* L2 cache configured as OCRAM, reset it */
-			val &= ~IOMUXC_GPR11_L2CACHE_AS_OCRAM;
-			writel(val, &iomux->gpr[11]);
-		}
-	}
-
-	writel(0x132, &pl310->pl310_tag_latency_ctrl);
-	writel(0x132, &pl310->pl310_data_latency_ctrl);
-
-	val = readl(&pl310->pl310_prefetch_ctrl);
-
-	/* Turn on the L2 I/D prefetch */
-	val |= 0x30000000;
-
-	/*
-	 * The L2 cache controller(PL310) version on the i.MX6D/Q is r3p1-50rel0
-	 * The L2 cache controller(PL310) version on the i.MX6DL/SOLO/SL is r3p2
-	 * But according to ARM PL310 errata: 752271
-	 * ID: 752271: Double linefill feature can cause data corruption
-	 * Fault Status: Present in: r3p0, r3p1, r3p1-50rel0. Fixed in r3p2
-	 * Workaround: The only workaround to this erratum is to disable the
-	 * double linefill feature. This is the default behavior.
-	 */
-
-#ifndef CONFIG_MX6Q
-	val |= 0x40800000;
-#endif
-	writel(val, &pl310->pl310_prefetch_ctrl);
-
-	val = readl(&pl310->pl310_power_ctrl);
-	val |= L2X0_DYNAMIC_CLK_GATING_EN;
-	val |= L2X0_STNDBY_MODE_EN;
-	writel(val, &pl310->pl310_power_ctrl);
-
-	setbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
-}
-
-void v7_outer_cache_disable(void)
-{
-	struct pl310_regs *const pl310 = (struct pl310_regs *)L2_PL310_BASE;
-
-	clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
-}
-#endif /* !CONFIG_SYS_L2_PL310 */
-#endif /* !CONFIG_SYS_L2CACHE_OFF */