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authorYaroslav Kurlaev <yaroslav.kurlaev@3mdeb.com>2021-07-06 22:30:28 +0700
committerFelix Held <felix-coreboot@felixheld.de>2022-02-11 20:16:44 +0000
commitbcbcdf73943d8bc81f2e35c4a67eebcbde716eda (patch)
tree9958c911919286264c3662bfcb964823b45edc1c /src/mainboard/emulation
parente985d211fb1d975bbb5bee0ed2597c24ee05bd1e (diff)
src/mainboard/emulation/qemu-power9: add RAM detection
Change-Id: Ie333294c7a311f6d47bdfbd1fc3cec0128cf63e7 Signed-off-by: Yaroslav Kurlaev <yaroslav.kurlaev@3mdeb.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/57081 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Diffstat (limited to 'src/mainboard/emulation')
-rw-r--r--src/mainboard/emulation/qemu-power9/cbmem.c6
-rw-r--r--src/mainboard/emulation/qemu-power9/mainboard.c1
-rw-r--r--src/mainboard/emulation/qemu-power9/memlayout.ld16
-rw-r--r--src/mainboard/emulation/qemu-power9/romstage.c2
4 files changed, 13 insertions, 12 deletions
diff --git a/src/mainboard/emulation/qemu-power9/cbmem.c b/src/mainboard/emulation/qemu-power9/cbmem.c
index c1c5e94c5c..1b7b690883 100644
--- a/src/mainboard/emulation/qemu-power9/cbmem.c
+++ b/src/mainboard/emulation/qemu-power9/cbmem.c
@@ -1,11 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <cbmem.h>
+#include <ramdetect.h>
void *cbmem_top_chipset(void)
{
- /* Top of cbmem is at lowest usable DRAM address below 4GiB. */
- /* For now, last 1M of 4G */
- void *ptr = (void *) (4ULL * GiB - 1 * MiB);
- return ptr;
+ return (void *)(probe_ramsize(0, CONFIG_DRAM_SIZE_MB) * MiB);
}
diff --git a/src/mainboard/emulation/qemu-power9/mainboard.c b/src/mainboard/emulation/qemu-power9/mainboard.c
index a1a35f0833..6c178af4ab 100644
--- a/src/mainboard/emulation/qemu-power9/mainboard.c
+++ b/src/mainboard/emulation/qemu-power9/mainboard.c
@@ -8,6 +8,7 @@ static void mainboard_enable(struct device *dev)
{
if (!dev)
die("No dev0; die\n");
+ ram_resource(dev, 0, 0, (unsigned long)cbmem_top() / KiB);
}
struct chip_operations mainboard_ops = {
diff --git a/src/mainboard/emulation/qemu-power9/memlayout.ld b/src/mainboard/emulation/qemu-power9/memlayout.ld
index ebac3c4a24..42e388951f 100644
--- a/src/mainboard/emulation/qemu-power9/memlayout.ld
+++ b/src/mainboard/emulation/qemu-power9/memlayout.ld
@@ -10,14 +10,14 @@ SECTIONS
BOOTBLOCK(0, 32K)
- STACK(0x8000, 32K)
+ ROMSTAGE(0xf00000, 1M)
+ STACK(0x1000000, 32K)
+ RAMSTAGE(0x1008000, 1M)
- PRERAM_CBMEM_CONSOLE(0x10000, 128K)
- FMAP_CACHE(0x30000, 4K)
- CBFS_MCACHE(0x31000, 8K)
- TIMESTAMP(0x33000, 4K)
- CBFS_CACHE(0x34000, 512K)
- ROMSTAGE(0x100000, 1M)
+ FMAP_CACHE(0x1108000, 4K)
+ CBFS_MCACHE(0x1109000, 8K)
+ TIMESTAMP(0x110b000, 4K)
+ CBFS_CACHE(0x110c000, 512K)
+ PRERAM_CBMEM_CONSOLE(0x118c000, 128K)
- RAMSTAGE(0x300000, 5M)
}
diff --git a/src/mainboard/emulation/qemu-power9/romstage.c b/src/mainboard/emulation/qemu-power9/romstage.c
index c412315255..4a3ed8304c 100644
--- a/src/mainboard/emulation/qemu-power9/romstage.c
+++ b/src/mainboard/emulation/qemu-power9/romstage.c
@@ -1,10 +1,12 @@
/* SPDX-License-Identifier: GPL-2.0-only */
+#include <cbmem.h>
#include <console/console.h>
#include <program_loading.h>
void main(void)
{
console_init();
+ cbmem_initialize_empty();
run_ramstage();
}