85 lines
1.3 KiB
C
85 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2020
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* Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
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*/
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#include <common.h>
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#include <dm.h>
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#include <init.h>
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#include <log.h>
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#include <ram.h>
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#include <spl.h>
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#include <asm/global_data.h>
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#include <asm/io.h>
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#include <asm/armv7m.h>
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DECLARE_GLOBAL_DATA_PTR;
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int dram_init(void)
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{
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#ifndef CONFIG_SUPPORT_SPL
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int rv;
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struct udevice *dev;
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rv = uclass_get_device(UCLASS_RAM, 0, &dev);
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if (rv) {
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debug("DRAM init failed: %d\n", rv);
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return rv;
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}
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#endif
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return fdtdec_setup_mem_size_base();
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}
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int dram_init_banksize(void)
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{
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return fdtdec_setup_memory_banksize();
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}
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#ifdef CONFIG_SPL_BUILD
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#ifdef CONFIG_SPL_OS_BOOT
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int spl_start_uboot(void)
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{
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debug("SPL: booting kernel\n");
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/* break into full u-boot on 'c' */
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return serial_tstc() && serial_getc() == 'c';
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}
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#endif
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int spl_dram_init(void)
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{
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struct udevice *dev;
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int rv;
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rv = uclass_get_device(UCLASS_RAM, 0, &dev);
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if (rv)
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debug("DRAM init failed: %d\n", rv);
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return rv;
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}
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void spl_board_init(void)
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{
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preloader_console_init();
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spl_dram_init();
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arch_cpu_init(); /* to configure mpu for sdram rw permissions */
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}
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u32 spl_boot_device(void)
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{
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return BOOT_DEVICE_MMC1;
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}
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#endif
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u32 get_board_rev(void)
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{
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return 0;
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}
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int board_init(void)
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{
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gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
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return 0;
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}
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