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https://github.com/AsahiLinux/u-boot
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aa6e94deab
The rest of the unmigrated CONFIG symbols in the CONFIG_SYS_SDRAM namespace do not easily transition to Kconfig. In many cases they likely should come from the device tree instead. Move these out of CONFIG namespace and in to CFG namespace. Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
89 lines
1.7 KiB
C
89 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2020 Stefan Roese <sr@denx.de>
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*/
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#include <config.h>
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#include <dm.h>
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#include <ram.h>
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#include <asm/global_data.h>
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#include <linux/compat.h>
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#include <display_options.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define UBOOT_RAM_SIZE_MAX 0x10000000ULL
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int dram_init(void)
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{
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if (IS_ENABLED(CONFIG_RAM_OCTEON)) {
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struct ram_info ram;
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struct udevice *dev;
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int ret;
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ret = uclass_get_device(UCLASS_RAM, 0, &dev);
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if (ret) {
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debug("DRAM init failed: %d\n", ret);
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return ret;
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}
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ret = ram_get_info(dev, &ram);
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if (ret) {
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debug("Cannot get DRAM size: %d\n", ret);
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return ret;
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}
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gd->ram_size = ram.size;
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debug("SDRAM base=%lx, size=%lx\n",
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(unsigned long)ram.base, (unsigned long)ram.size);
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} else {
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/*
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* No DDR init yet -> run in L2 cache
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*/
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gd->ram_size = (4 << 20);
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gd->bd->bi_dram[0].size = gd->ram_size;
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gd->bd->bi_dram[1].size = 0;
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}
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return 0;
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}
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void board_add_ram_info(int use_default)
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{
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if (IS_ENABLED(CONFIG_RAM_OCTEON)) {
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struct ram_info ram;
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struct udevice *dev;
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int ret;
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ret = uclass_get_device(UCLASS_RAM, 0, &dev);
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if (ret) {
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debug("DRAM init failed: %d\n", ret);
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return;
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}
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ret = ram_get_info(dev, &ram);
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if (ret) {
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debug("Cannot get DRAM size: %d\n", ret);
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return;
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}
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printf(" (");
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print_size(ram.size, " total)");
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}
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}
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phys_size_t get_effective_memsize(void)
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{
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return UBOOT_RAM_SIZE_MAX;
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}
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phys_size_t board_get_usable_ram_top(phys_size_t total_size)
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{
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if (IS_ENABLED(CONFIG_RAM_OCTEON)) {
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/* Map a maximum of 256MiB - return not size but address */
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return CFG_SYS_SDRAM_BASE + min(gd->ram_size,
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UBOOT_RAM_SIZE_MAX);
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} else {
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return gd->ram_top;
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}
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}
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