| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2011, 2012, 2013 |
| * Yuri Tikhonov, Emcraft Systems, yur@emcraft.com |
| * Alexander Potashev, Emcraft Systems, aspotashev@emcraft.com |
| * Vladimir Khusainov, Emcraft Systems, vlad@emcraft.com |
| * Pavel Boldin, Emcraft Systems, paboldin@emcraft.com |
| * |
| * (C) Copyright 2015 |
| * Kamil Lulko, <kamil.lulko@gmail.com> |
| */ |
| |
| #include <common.h> |
| #include <dm.h> |
| #include <env.h> |
| #include <init.h> |
| #include <log.h> |
| #include <asm/global_data.h> |
| |
| #include <asm/io.h> |
| #include <asm/arch/stm32.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| int dram_init(void) |
| { |
| int rv; |
| struct udevice *dev; |
| |
| rv = uclass_get_device(UCLASS_RAM, 0, &dev); |
| if (rv) { |
| debug("DRAM init failed: %d\n", rv); |
| return rv; |
| } |
| |
| if (fdtdec_setup_mem_size_base() != 0) |
| rv = -EINVAL; |
| |
| return rv; |
| } |
| |
| int dram_init_banksize(void) |
| { |
| fdtdec_setup_memory_banksize(); |
| |
| return 0; |
| } |
| |
| int board_init(void) |
| { |
| gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100; |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_MISC_INIT_R |
| int misc_init_r(void) |
| { |
| char serialno[25]; |
| uint32_t u_id_low, u_id_mid, u_id_high; |
| |
| if (!env_get("serial#")) { |
| u_id_low = readl(&STM32_U_ID->u_id_low); |
| u_id_mid = readl(&STM32_U_ID->u_id_mid); |
| u_id_high = readl(&STM32_U_ID->u_id_high); |
| sprintf(serialno, "%08x%08x%08x", |
| u_id_high, u_id_mid, u_id_low); |
| env_set("serial#", serialno); |
| } |
| |
| return 0; |
| } |
| #endif |