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barebox / arch / arm / boards / freescale-mx6-sabresd / flash_header.c
@Hubert Feurstein Hubert Feurstein on 12 Feb 2013 6 KB ARM i.MX6: Add support for SabreSD board
/*
 * Copyright (C) 2011 Marc Kleine-Budde <mkl@pengutronix.de>
 *
 * 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.
 *
 */

#include <common.h>
#include <asm/byteorder.h>
#include <mach/imx-flash-header.h>
#include <mach/imx6-regs.h>
#include <asm/barebox-arm-head.h>

void __naked __flash_header_start go(void)
{
	barebox_arm_head();
}

#define DCD(a, v) { .addr = cpu_to_be32(a), .val = cpu_to_be32(v), }

struct imx_dcd_v2_entry __dcd_entry_section dcd_entry[] = {
	DCD(MX6_IOMUXC_BASE_ADDR + 0x5a8, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x5b0, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x524, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x51c, 0x00000030),

	DCD(MX6_IOMUXC_BASE_ADDR + 0x518, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x50c, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x5b8, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x5c0, 0x00000030),

	DCD(MX6_IOMUXC_BASE_ADDR + 0x5ac, 0x00020030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x5b4, 0x00020030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x528, 0x00020030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x520, 0x00020030),

	DCD(MX6_IOMUXC_BASE_ADDR + 0x514, 0x00020030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x510, 0x00020030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x5bc, 0x00020030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x5c4, 0x00020030),

	DCD(MX6_IOMUXC_BASE_ADDR + 0x56c, 0x00020030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x578, 0x00020030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x588, 0x00020030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x594, 0x00020030),

	DCD(MX6_IOMUXC_BASE_ADDR + 0x57c, 0x00020030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x590, 0x00003000),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x598, 0x00003000),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x58c, 0x00000000),

	DCD(MX6_IOMUXC_BASE_ADDR + 0x59c, 0x00003030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x5a0, 0x00003030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x784, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x788, 0x00000030),

	DCD(MX6_IOMUXC_BASE_ADDR + 0x794, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x79c, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x7a0, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x7a4, 0x00000030),

	DCD(MX6_IOMUXC_BASE_ADDR + 0x7a8, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x748, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x74c, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x750, 0x00020000),

	DCD(MX6_IOMUXC_BASE_ADDR + 0x758, 0x00000000),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x774, 0x00020000),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x78c, 0x00000030),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x798, 0x000C0000),

	DCD(MX6_MMDC_P0_BASE_ADDR + 0x81c, 0x33333333),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x820, 0x33333333),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x824, 0x33333333),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x828, 0x33333333),

	DCD(MX6_MMDC_P1_BASE_ADDR + 0x81c, 0x33333333),
	DCD(MX6_MMDC_P1_BASE_ADDR + 0x820, 0x33333333),
	DCD(MX6_MMDC_P1_BASE_ADDR + 0x824, 0x33333333),
	DCD(MX6_MMDC_P1_BASE_ADDR + 0x828, 0x33333333),

	DCD(MX6_MMDC_P0_BASE_ADDR + 0x018, 0x00081740),

	DCD(MX6_MMDC_P0_BASE_ADDR + 0x01c, 0x00008000),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x00c, 0x555A7975),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x010, 0xFF538E64),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x014, 0x01FF00DB),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x02c, 0x000026D2),

	DCD(MX6_MMDC_P0_BASE_ADDR + 0x030, 0x005B0E21),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x008, 0x09444040),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x004, 0x00025576),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x040, 0x00000027),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x000, 0x831A0000),

	DCD(MX6_MMDC_P0_BASE_ADDR + 0x01c, 0x04088032),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x01c, 0x0408803A),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x01c, 0x00008033),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x01c, 0x0000803B),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x01c, 0x00428031),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x01c, 0x00428039),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x01c, 0x09408030),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x01c, 0x09408038),

	DCD(MX6_MMDC_P0_BASE_ADDR + 0x01c, 0x04008040),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x01c, 0x04008048),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x800, 0xA1380003),
	DCD(MX6_MMDC_P1_BASE_ADDR + 0x800, 0xA1380003),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x020, 0x00005800),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x818, 0x00022227),
	DCD(MX6_MMDC_P1_BASE_ADDR + 0x818, 0x00022227),

	DCD(MX6_MMDC_P0_BASE_ADDR + 0x83c, 0x434B0350),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x840, 0x034C0359),
	DCD(MX6_MMDC_P1_BASE_ADDR + 0x83c, 0x434B0350),
	DCD(MX6_MMDC_P1_BASE_ADDR + 0x840, 0x03650348),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x848, 0x4436383B),
	DCD(MX6_MMDC_P1_BASE_ADDR + 0x848, 0x39393341),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x850, 0x35373933),
	DCD(MX6_MMDC_P1_BASE_ADDR + 0x850, 0x48254A36),

	DCD(MX6_MMDC_P0_BASE_ADDR + 0x80c, 0x001F001F),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x810, 0x001F001F),

	DCD(MX6_MMDC_P1_BASE_ADDR + 0x80c, 0x00440044),
	DCD(MX6_MMDC_P1_BASE_ADDR + 0x810, 0x00440044),

	DCD(MX6_MMDC_P0_BASE_ADDR + 0x8b8, 0x00000800),
	DCD(MX6_MMDC_P1_BASE_ADDR + 0x8b8, 0x00000800),

	DCD(MX6_MMDC_P0_BASE_ADDR + 0x01c, 0x00000000),
	DCD(MX6_MMDC_P0_BASE_ADDR + 0x404, 0x00011006),

	DCD(MX6_CCM_BASE_ADDR + 0x068, 0x00c03f3f),
	DCD(MX6_CCM_BASE_ADDR + 0x06c, 0x0030fc03),
	DCD(MX6_CCM_BASE_ADDR + 0x070, 0x0fffc000),
	DCD(MX6_CCM_BASE_ADDR + 0x074, 0x3ff00000),
	DCD(MX6_CCM_BASE_ADDR + 0x078, 0x00fff300),
	DCD(MX6_CCM_BASE_ADDR + 0x07c, 0x0f0000c3),
	DCD(MX6_CCM_BASE_ADDR + 0x080, 0x000003ff),

	/* enable AXI cache for VDOA/VPU/IPU */
	DCD(MX6_IOMUXC_BASE_ADDR + 0x010, 0xf00000cf),
	/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
	DCD(MX6_IOMUXC_BASE_ADDR + 0x018, 0x007f007f),
	DCD(MX6_IOMUXC_BASE_ADDR + 0x01c, 0x007f007f),
};

#define APP_DEST	CONFIG_TEXT_BASE

struct imx_flash_header_v2 __flash_header_section flash_header = {
	.header.tag		= IVT_HEADER_TAG,
	.header.length		= cpu_to_be16(32),
	.header.version		= IVT_VERSION,
	.entry			= (u32)_stext,
	.dcd_ptr		= APP_DEST + FLASH_HEADER_OFFSET + offsetof(struct imx_flash_header_v2, dcd),
	.boot_data_ptr		= APP_DEST + FLASH_HEADER_OFFSET + offsetof(struct imx_flash_header_v2, boot_data),
	.self			= APP_DEST + FLASH_HEADER_OFFSET,

	.boot_data.start	= APP_DEST,
	.boot_data.size		= barebox_image_size,

	.dcd.header.tag		= DCD_HEADER_TAG,
	.dcd.header.length	= cpu_to_be16(sizeof(struct imx_dcd) + sizeof(dcd_entry)),
	.dcd.header.version	= DCD_VERSION,

	.dcd.command.tag	= DCD_COMMAND_WRITE_TAG,
	.dcd.command.length	= cpu_to_be16(sizeof(struct imx_dcd_command) + sizeof(dcd_entry)),
	.dcd.command.param	= DCD_COMMAND_WRITE_PARAM,
};