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commonlib/bsd/mem_chip_info: Add mem_chip_info_entry_density_bytes

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Add a helper function to get the mem_chip_info entry size.

Change-Id: Ibf2a2006fb3e7772688b80807589e8f2d64d1147
Signed-off-by: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85312
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yidi Lin <yidilin@google.com>
This commit is contained in:
Yu-Ping Wu 2024-11-26 10:03:27 +08:00 • committed by Yu-Ping Wu
commit d2deb14fb0
1 changed files with 8 additions and 5 deletions
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13
src/commonlib/bsd/include/commonlib/bsd/mem_chip_info.h
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@ -98,16 +98,19 @@ static inline size_t mem_chip_info_size(int entries)
return sizeof(struct mem_chip_info) + sizeof(struct mem_chip_entry) * entries;
};
static inline uint64_t mem_chip_info_entry_density_bytes(const struct mem_chip_entry *entry)
{
return (uint64_t)entry->density_mbits * (entry->channel_io_width / entry->io_width)
* (MiB / 8);
}
static inline uint64_t mem_chip_info_total_density_bytes(const struct mem_chip_info *info)
{
uint64_t bytes = 0;
int i;
for (i = 0; i < info->num_entries; i++) {
const struct mem_chip_entry *e = &info->entries[i];
bytes += (uint64_t)e->density_mbits * (e->channel_io_width / e->io_width)
* (MiB / 8);
}
for (i = 0; i < info->num_entries; i++)
bytes += mem_chip_info_entry_density_bytes(&info->entries[i]);
return bytes;
}