u-boot/arch/x86/lib/fsp2/fsp_dram.c
Tom Rini d678a59d2d Revert "Merge patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet""
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay
Ethernet"' I failed to notice that b4 noticed it was based on next and
so took that as the base commit and merged that part of next to master.

This reverts commit c8ffd1356d, reversing
changes made to 2ee6f3a5f7.

Reported-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Tom Rini <trini@konsulko.com>
2024-05-19 08:16:36 -06:00

95 lines
2.0 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2019 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#define LOG_CATEGORY LOGC_ARCH
#include <common.h>
#include <handoff.h>
#include <init.h>
#include <log.h>
#include <spl.h>
#include <acpi/acpi_s3.h>
#include <asm/arch/cpu.h>
#include <asm/fsp/fsp_support.h>
#include <asm/fsp2/fsp_api.h>
#include <asm/fsp2/fsp_internal.h>
#include <asm/global_data.h>
#include <linux/sizes.h>
int dram_init(void)
{
int ret;
if (!ll_boot_init()) {
/* Use a small and safe amount of 1GB */
gd->ram_size = SZ_1G;
return 0;
}
if (spl_phase() == PHASE_SPL) {
bool s3wake = false;
s3wake = IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) &&
gd->arch.prev_sleep_state == ACPI_S3;
ret = fsp_memory_init(s3wake,
IS_ENABLED(CONFIG_APL_BOOT_FROM_FAST_SPI_FLASH));
if (ret) {
log_debug("Memory init failed (err=%x)\n", ret);
return ret;
}
/* The FSP has already set up DRAM, so grab the info we need */
ret = fsp_scan_for_ram_size();
if (ret)
return ret;
#ifdef CONFIG_ENABLE_MRC_CACHE
gd->arch.mrc[MRC_TYPE_NORMAL].buf =
fsp_get_nvs_data(gd->arch.hob_list,
&gd->arch.mrc[MRC_TYPE_NORMAL].len);
gd->arch.mrc[MRC_TYPE_VAR].buf =
fsp_get_var_nvs_data(gd->arch.hob_list,
&gd->arch.mrc[MRC_TYPE_VAR].len);
log_debug("normal %x, var %x\n",
gd->arch.mrc[MRC_TYPE_NORMAL].len,
gd->arch.mrc[MRC_TYPE_VAR].len);
#endif
} else {
#if CONFIG_IS_ENABLED(HANDOFF)
struct spl_handoff *ho = gd->spl_handoff;
if (!ho) {
log_debug("No SPL handoff found\n");
return -ESTRPIPE;
}
gd->ram_size = ho->ram_size;
handoff_load_dram_banks(ho);
#endif
ret = arch_fsps_preinit();
if (ret)
return log_msg_ret("fsp_s_preinit", ret);
}
return 0;
}
phys_addr_t board_get_usable_ram_top(phys_size_t total_size)
{
if (!ll_boot_init())
return gd->ram_size;
#if CONFIG_IS_ENABLED(HANDOFF)
struct spl_handoff *ho = gd->spl_handoff;
log_debug("usable_ram_top = %lx\n", ho->arch.usable_ram_top);
return ho->arch.usable_ram_top;
#endif
return gd->ram_top;
}