// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2016 Rockchip Electronics Co., Ltd */ #include #include #include #include DECLARE_GLOBAL_DATA_PTR; #define GRF_EMMCCORE_CON11 0xff77f02c static struct mm_region rk3399_mem_map[] = { { .virt = 0x0UL, .phys = 0x0UL, .size = 0xf8000000UL, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_INNER_SHARE }, { .virt = 0xf8000000UL, .phys = 0xf8000000UL, .size = 0x08000000UL, .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN }, { /* List terminator */ 0, } }; struct mm_region *mem_map = rk3399_mem_map; int dram_init_banksize(void) { size_t max_size = min((unsigned long)gd->ram_size, gd->ram_top); /* Reserve 0x200000 for ATF bl31 */ gd->bd->bi_dram[0].start = 0x200000; gd->bd->bi_dram[0].size = max_size - gd->bd->bi_dram[0].start; return 0; } int arch_cpu_init(void) { /* We do some SoC one time setting here. */ /* Emmc clock generator: disable the clock multipilier */ rk_clrreg(GRF_EMMCCORE_CON11, 0x0ff); return 0; }