From 899be1b3529b391c430504589649f0ec9452a1d9 Mon Sep 17 00:00:00 2001 From: Raul E Rangel Date: Fri, 5 Feb 2021 15:50:20 -0700 Subject: soc/amd/picasso: Move memmap_early_dram to common blocks We need the same functionality for cezanne. TEST=Boot ezknil Signed-off-by: Raul E Rangel Change-Id: I0800c662bb473eb571c74e76a8247298f534b53f Reviewed-on: https://review.coreboot.org/c/coreboot/+/50337 Tested-by: build bot (Jenkins) Reviewed-by: Felix Held Reviewed-by: Angel Pons --- src/soc/amd/common/block/cpu/noncar/memmap.c | 29 ++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 src/soc/amd/common/block/cpu/noncar/memmap.c (limited to 'src/soc/amd/common/block/cpu/noncar/memmap.c') diff --git a/src/soc/amd/common/block/cpu/noncar/memmap.c b/src/soc/amd/common/block/cpu/noncar/memmap.c new file mode 100644 index 0000000000..9efe959d4d --- /dev/null +++ b/src/soc/amd/common/block/cpu/noncar/memmap.c @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include + +void memmap_stash_early_dram_usage(void) +{ + struct memmap_early_dram *e; + + e = cbmem_add(CBMEM_ID_CB_EARLY_DRAM, sizeof(*e)); + + if (!e) + die("ERROR: Failed to stash early dram usage!\n"); + + e->base = (uint32_t)(uintptr_t)_early_reserved_dram; + e->size = REGION_SIZE(early_reserved_dram); +} + +const struct memmap_early_dram *memmap_get_early_dram_usage(void) +{ + struct memmap_early_dram *e = cbmem_find(CBMEM_ID_CB_EARLY_DRAM); + + if (!e) + die("ERROR: Failed to read early dram usage!\n"); + + return e; +} -- cgit v1.2.3