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/*
* Copyright (C) 2018 Grinn
*
* Author: Marcin Niestroj <m.niestroj@grinn-global.com>
*
* 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; version 2.
*
* 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 <debug_ll.h>
#include <common.h>
#include <linux/sizes.h>
#include <io.h>
#include <image-metadata.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/esdctl.h>
#include <mach/imx6.h>
static inline void setup_uart(void)
{
void __iomem *iomuxbase = IOMEM(MX6_IOMUXC_BASE_ADDR);
void __iomem *uart = IOMEM(MX6_UART1_BASE_ADDR);
relocate_to_current_adr();
setup_c();
barrier();
imx6_ungate_all_peripherals();
writel(0x0, iomuxbase + 0x84);
writel(0x1b0b1, iomuxbase + 0x0310);
imx6_uart_setup(uart);
pbl_set_putc(imx_uart_putc, uart);
putchar('>');
}
BAREBOX_IMD_TAG_STRING(liteboard_memsize_SZ_256M, IMD_TYPE_PARAMETER,
"memsize=256", 0);
BAREBOX_IMD_TAG_STRING(liteboard_memsize_SZ_512M, IMD_TYPE_PARAMETER,
"memsize=512", 0);
extern char __dtb_imx6ul_liteboard_start[];
static void __noreturn start_imx6_liteboard(void)
{
imx6ul_cpu_lowlevel_init();
arm_setup_stack(0x00910000 - 8);
arm_early_mmu_cache_invalidate();
if (IS_ENABLED(CONFIG_PBL_CONSOLE))
setup_uart();
imx6ul_barebox_entry(__dtb_imx6ul_liteboard_start +
get_runtime_offset());
}
#define LITEBOARD_ENTRY(name, memory_size) \
ENTRY_FUNCTION(name, r0, r1, r2) \
{ \
IMD_USED(liteboard_memsize_##memory_size); \
\
start_imx6_liteboard(); \
}
LITEBOARD_ENTRY(start_imx6ul_liteboard_256mb, SZ_256M);
LITEBOARD_ENTRY(start_imx6ul_liteboard_512mb, SZ_512M);
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