/*
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* (C) Copyright 2020 Rockchip Electronics Co., Ltd.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <mapmem.h>
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#include <malloc.h>
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#include <dm/root.h>
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DECLARE_GLOBAL_DATA_PTR;
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static void initr_reloc(void)
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{
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/* tell others: relocation done */
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gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT;
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}
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#ifdef CONFIG_ARM
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static void initr_caches(void)
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{
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icache_enable();
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dcache_enable();
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}
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#endif
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static void initr_malloc(void)
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{
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ulong malloc_start;
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/* The malloc area is immediately below the monitor copy in DRAM */
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malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN;
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mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN),
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TOTAL_MALLOC_LEN);
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}
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#ifdef CONFIG_DM
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static int initr_dm(void)
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{
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/* Save the pre-reloc driver model and start a new one */
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gd->dm_root_f = gd->dm_root;
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gd->dm_root = NULL;
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return dm_init_and_scan(false);
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}
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#endif
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/*
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* The below functions are all __weak declared.
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*/
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int dram_init(void)
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{
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#if CONFIG_SYS_MALLOC_LEN > SZ_64M
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"CONFIG_SYS_MALLOC_LEN is over 64MB"
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#endif
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gd->ram_size = SZ_64M; /* default */
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gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
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gd->bd->bi_dram[0].size = gd->ram_size;
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return 0;
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}
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/* Refers to common/board_r.c */
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void board_init_r(gd_t *new_gd, ulong dest_addr)
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{
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initr_reloc();
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#ifdef CONFIG_ARM
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initr_caches();
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#endif
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initr_malloc();
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#ifdef CONFIG_DM
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initr_dm();
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#endif
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/* Setup chipselects, entering usb-plug mode */
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board_init();
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hang();
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}
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