67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/*
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* Copyright (C) 2016 Zodiac Inflight Innovation
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* Author: Andrey Smirnov <andrew.smirnov@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <debug_ll.h>
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#include <common.h>
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#include <mach/esdctl.h>
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#include <mach/generic.h>
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#include <mach/imx6.h>
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#include <asm/barebox-arm.h>
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static inline void setup_uart(void)
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{
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void __iomem *iomuxbase = IOMEM(MX6_IOMUXC_BASE_ADDR);
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imx6_ungate_all_peripherals();
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writel(0x1b0b1, iomuxbase + 0x0650);
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writel(3, iomuxbase + 0x0280);
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writel(0x1b0b1, iomuxbase + 0x0654);
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writel(3, iomuxbase + 0x0284);
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writel(1, iomuxbase + 0x0920);
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imx6_uart_setup_ll();
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putc_ll('>');
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}
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extern char __dtb_imx6q_zii_rdu2_start[];
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extern char __dtb_imx6qp_zii_rdu2_start[];
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ENTRY_FUNCTION(start_imx6q_zii_rdu2, r0, r1, r2)
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{
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void *fdt = __dtb_imx6q_zii_rdu2_start;
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imx6_cpu_lowlevel_init();
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if (IS_ENABLED(CONFIG_DEBUG_LL))
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setup_uart();
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imx6q_barebox_entry(fdt - get_runtime_offset());
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}
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ENTRY_FUNCTION(start_imx6qp_zii_rdu2, r0, r1, r2)
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{
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void *fdt = __dtb_imx6qp_zii_rdu2_start;
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imx6_cpu_lowlevel_init();
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if (IS_ENABLED(CONFIG_DEBUG_LL))
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setup_uart();
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imx6q_barebox_entry(fdt - get_runtime_offset());
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}
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