diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2021-01-18 00:48:27 +0100 |
|---|---|---|
| committer | Angel Pons <th3fanbus@gmail.com> | 2021-01-19 23:04:34 +0000 |
| commit | 15ef9b651312fef3842fb5541e835ada8751b3fe (patch) | |
| tree | 6f40e5afb285770e28fcf227b5ae5f1ad6fbc131 /src/northbridge | |
| parent | a6e4afc1cb44124562cdac1bea1c9fd81b9ecf27 (diff) | |
nb/intel/i945/northbridge.c: Reserve upper part of lower memory
This memory is used for option roms and BIOS. This matches the ACPI
code.
Change-Id: I53dd4b967569889108352ca70086a12ce252e8e0
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49624
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/i945/northbridge.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/northbridge/intel/i945/northbridge.c b/src/northbridge/intel/i945/northbridge.c index 00d5be95b5..d2256729e9 100644 --- a/src/northbridge/intel/i945/northbridge.c +++ b/src/northbridge/intel/i945/northbridge.c @@ -107,12 +107,14 @@ static void mch_domain_read_resources(struct device *dev) /* Report the memory regions */ ram_resource(dev, 3, 0, 0xa0000 / KiB); - ram_resource(dev, 4, 0xc0000 / KiB, (tomk - 0xc0000 / KiB)); + ram_resource(dev, 4, 1 * MiB / KiB, (tomk - 1 * MiB / KiB)); uma_resource(dev, 5, uma_memory_base / KiB, uma_memory_size / KiB); mmio_resource(dev, 6, tseg_memory_base / KiB, tseg_memory_size / KiB); uma_resource(dev, 7, cbmem_topk, delta_cbmem); /* legacy VGA memory */ mmio_resource(dev, 8, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB); + /* RAM to be used for option roms and BIOS */ + reserved_ram_resource(dev, 9, 0xc0000 / KiB, (1 * MiB - 0xc0000) / KiB); } static void mch_domain_set_resources(struct device *dev) |