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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2019
- * Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
- */
- #include <common.h>
- #include <dm.h>
- #include <init.h>
- #include <log.h>
- #include <ram.h>
- #include <spl.h>
- #include <asm/global_data.h>
- #include <asm/io.h>
- #include <asm/armv7m.h>
- DECLARE_GLOBAL_DATA_PTR;
- int dram_init(void)
- {
- #ifndef CONFIG_SUPPORT_SPL
- int rv;
- struct udevice *dev;
- rv = uclass_get_device(UCLASS_RAM, 0, &dev);
- if (rv) {
- debug("DRAM init failed: %d\n", rv);
- return rv;
- }
- #endif
- return fdtdec_setup_mem_size_base();
- }
- int dram_init_banksize(void)
- {
- return fdtdec_setup_memory_banksize();
- }
- #ifdef CONFIG_SPL_BUILD
- #ifdef CONFIG_SPL_OS_BOOT
- int spl_start_uboot(void)
- {
- debug("SPL: booting kernel\n");
- /* break into full u-boot on 'c' */
- return serial_tstc() && serial_getc() == 'c';
- }
- #endif
- int spl_dram_init(void)
- {
- struct udevice *dev;
- int rv;
- rv = uclass_get_device(UCLASS_RAM, 0, &dev);
- if (rv)
- debug("DRAM init failed: %d\n", rv);
- return rv;
- }
- void spl_board_init(void)
- {
- preloader_console_init();
- spl_dram_init();
- arch_cpu_init(); /* to configure mpu for sdram rw permissions */
- }
- u32 spl_boot_device(void)
- {
- return BOOT_DEVICE_MMC1;
- }
- #endif
- u32 get_board_rev(void)
- {
- return 0;
- }
- int board_init(void)
- {
- gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
- return 0;
- }
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