X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Fx86%2Fcpu%2Fcoreboot%2Fsdram.c;h=9c3ab81734255d55b7c22300e8de067b134a0645;hb=290ac3bb1a1fbd85abcecfd8ff8cb837029d067a;hp=76274cb88e3824ea3b066afffd7068c2b97832d8;hpb=79f38777947ac7685e2cef8bd977f954ab198c0e;p=u-boot diff --git a/arch/x86/cpu/coreboot/sdram.c b/arch/x86/cpu/coreboot/sdram.c index 76274cb88e..9c3ab81734 100644 --- a/arch/x86/cpu/coreboot/sdram.c +++ b/arch/x86/cpu/coreboot/sdram.c @@ -3,23 +3,7 @@ * (C) Copyright 2010,2011 * Graeme Russ, * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but without any warranty; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -27,7 +11,10 @@ #include #include #include +#include #include +#include +#include #include #include @@ -37,7 +24,7 @@ unsigned install_e820_map(unsigned max_entries, struct e820entry *entries) { int i; - unsigned num_entries = min(lib_sysinfo.n_memranges, max_entries); + unsigned num_entries = min((unsigned)lib_sysinfo.n_memranges, max_entries); if (num_entries < lib_sysinfo.n_memranges) { printf("Warning: Limiting e820 map to %d entries.\n", num_entries); @@ -60,12 +47,8 @@ unsigned install_e820_map(unsigned max_entries, struct e820entry *entries) * address, and how far U-Boot is moved by relocation are set in the global * data structure. */ -int calculate_relocation_address(void) +ulong board_get_usable_ram_top(ulong total_size) { - const uint64_t uboot_size = (uintptr_t)&__bss_end - - (uintptr_t)&__text_start; - const uint64_t total_size = uboot_size + CONFIG_SYS_MALLOC_LEN + - CONFIG_SYS_STACK_SIZE; uintptr_t dest_addr = 0; int i; @@ -87,24 +70,18 @@ int calculate_relocation_address(void) continue; /* Use this address if it's the largest so far. */ - if (end - uboot_size > dest_addr) + if (end > dest_addr) dest_addr = end; } /* If no suitable area was found, return an error. */ if (!dest_addr) - return 1; - - dest_addr -= uboot_size; - dest_addr &= ~((1 << 12) - 1); - gd->relocaddr = dest_addr; - gd->reloc_off = dest_addr - (uintptr_t)&__text_start; - gd->start_addr_sp = dest_addr - CONFIG_SYS_MALLOC_LEN; + panic("No available memory found for relocation"); - return 0; + return (ulong)dest_addr; } -int dram_init_f(void) +int dram_init(void) { int i; phys_size_t ram_size = 0; @@ -113,16 +90,18 @@ int dram_init_f(void) struct memrange *memrange = &lib_sysinfo.memrange[i]; unsigned long long end = memrange->base + memrange->size; - if (memrange->type == CB_MEM_RAM && end > ram_size) + if (memrange->type == CB_MEM_RAM && end > ram_size && + memrange->base < (1ULL << 32)) ram_size = end; } gd->ram_size = ram_size; if (ram_size == 0) return -1; - return 0; + + return calculate_relocation_address(); } -int dram_init(void) +void dram_init_banksize(void) { int i, j; @@ -130,7 +109,8 @@ int dram_init(void) for (i = 0, j = 0; i < lib_sysinfo.n_memranges; i++) { struct memrange *memrange = &lib_sysinfo.memrange[i]; - if (memrange->type == CB_MEM_RAM) { + if (memrange->type == CB_MEM_RAM && + memrange->base < (1ULL << 32)) { gd->bd->bi_dram[j].start = memrange->base; gd->bd->bi_dram[j].size = memrange->size; j++; @@ -139,5 +119,4 @@ int dram_init(void) } } } - return 0; }