MX3: Add basic support for LogicPD i.MX31 LiteKit
This patch adds basic support for i.MX31 LiteKit by LogicPD.
With printascii() in kernel/printk.c, it boots right into the
rootfs-panic.
Note: This is a modified version of Daniel's patch to fit into this patch
stack.
> On 09.06.2008, at 17:26, Russell King - ARM Linux wrote:
>
> > I would much prefer it if board specific includes were included by the
> > code which needs them rather than in asm/arch/hardware.h. With the
> > device model, drivers shouldn't need to include any board specific
> > includes - only the board specific C file should need it.
>
> The new version of this patch (#5102) has been uploaded to the patch
> tracker this morning.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
--
arch/arm/configs/mx31litekit_defconfig | 1100 ++++++++++++++++++++++++++++++
arch/arm/mach-mx3/Kconfig | 7
arch/arm/mach-mx3/Makefile | 1
arch/arm/mach-mx3/mx31lite.c | 96 ++
include/asm-arm/arch-mxc/board-mx31lite.h | 38 +
include/asm-arm/arch-mxc/debug-macro.S | 3
6 files changed, 1245 insertions(+)
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c
new file mode 100644
index 0000000..ea23a8e
--- /dev/null
+++ b/arch/arm/mach-mx3/mx31lite.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ * Copyright (C) 2002 Shane Nay (shane@minirl.com)
+ * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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 <linux/types.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/memory.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/arch/common.h>
+#include <asm/page.h>
+#include <asm/setup.h>
+#include <asm/arch/board-mx31lite.h>
+
+/*
+ * This file contains the board-specific initialization routines.
+ */
+
+/*
+ * This structure defines the MX31 memory map.
+ */
+static struct map_desc mx31lite_io_desc[] __initdata = {
+ {
+ .virtual = AIPS1_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
+ .length = AIPS1_SIZE,
+ .type = MT_NONSHARED_DEVICE
+ }, {
+ .virtual = SPBA0_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
+ .length = SPBA0_SIZE,
+ .type = MT_NONSHARED_DEVICE
+ }, {
+ .virtual = AIPS2_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
+ .length = AIPS2_SIZE,
+ .type = MT_NONSHARED_DEVICE
+ }, {
+ .virtual = CS4_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(CS4_BASE_ADDR),
+ .length = CS4_SIZE,
+ .type = MT_DEVICE
+ }
+};
+
+/*
+ * Set up static virtual mappings.
+ */
+void __init mx31lite_map_io(void)
+{
+ mxc_map_io();
+ iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc));
+}
+
+/*
+ * Board specific initialization.
+ */
+static void __init mxc_board_init(void)
+{
+}
+
+/*
+ * The following uses standard kernel macros defined in arch.h in order to
+ * initialize __mach_desc_MX31LITE data structure.
+ */
+
+MACHINE_START(MX31LITE, "LogicPD MX31 LITEKIT")
+ /* Maintainer: Freescale Semiconductor, Inc. */
+ .phys_io = AIPS1_BASE_ADDR,
+ .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+ .boot_params = PHYS_OFFSET + 0x100,
+ .map_io = mx31lite_map_io,
+ .init_irq = mxc_init_irq,
+ .init_machine = mxc_board_init,
+ .timer = &mxc_timer,
+MACHINE_END