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/*
* Copyright 2018 (C) Pengutronix, Michael Grzeschik <mgr@pengutronix.de>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <debug_ll.h>
#include <common.h>
#include <io.h>
#include <asm/barebox-arm-head.h>
#include <asm/barebox-arm.h>
#include <asm/sections.h>
#include <asm/cache.h>
#include <asm/mmu.h>
#include <mach/imx6.h>
#include <mach/esdctl.h>
#include "mem.h"
static inline void setup_uart(void)
{
void __iomem *iomuxbase = (void *)MX6_IOMUXC_BASE_ADDR;
writel(0x4, iomuxbase + 0x016c);
imx6_ungate_all_peripherals();
imx6_uart_setup_ll();
putc_ll('>');
}
static void __noreturn start_imx6_samx6i_common(void *fdt_blob_fixed_offset)
{
void *fdt;
resource_size_t size = 0;
size = samx6i_get_size();
imx6_cpu_lowlevel_init();
arm_setup_stack(0x00920000 - 8);
if (IS_ENABLED(CONFIG_DEBUG_LL))
setup_uart();
fdt = fdt_blob_fixed_offset + get_runtime_offset();
barebox_arm_entry(0x10000000, size, fdt);
}
extern char __dtb_imx6dl_samx6i_start[];
extern char __dtb_imx6q_samx6i_start[];
ENTRY_FUNCTION(start_imx6q_samx6i, r0, r1, r2)
{
start_imx6_samx6i_common(__dtb_imx6q_samx6i_start);
}
ENTRY_FUNCTION(start_imx6dl_samx6i, r0, r1, r2)
{
start_imx6_samx6i_common(__dtb_imx6dl_samx6i_start);
}
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