diff options
| author | Frans Hendriks <fhendriks@eltan.com> | 2018-10-30 15:07:39 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-02-28 17:09:29 +0000 |
| commit | c6d672fe1dbfe9c07cea0c84aa2f512297e690ed (patch) | |
| tree | f18004cebf160859ee693df8a0b302a84c23401e /src | |
| parent | fa011db6f0ede9073c993aff0be88ec2353cf926 (diff) | |
src/soc/intel/braswell/northcluster.c: Correct calculation of FSP memory area
Calculation of memory reserved by FSP is incorrect.
Use CBMEM_ID_FSP_RESERVED_MEMORY to determine the memory area
BUG=N/A
TEST=Intel CherryHill CRB
Change-Id: If68bda39ba2b1f3be4ed4bc872710be7bbd4948b
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/c/29333
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/braswell/northcluster.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/soc/intel/braswell/northcluster.c b/src/soc/intel/braswell/northcluster.c index 6e148b9b01..c54c2c8f3c 100644 --- a/src/soc/intel/braswell/northcluster.c +++ b/src/soc/intel/braswell/northcluster.c @@ -94,6 +94,7 @@ static void nc_read_resources(struct device *dev) unsigned long fsp_res_base_k; unsigned long base_k, size_k; const unsigned long four_gig_kib = (4 << (30 - 10)); + void *fsp_reserved_memory_area; int index = 0; /* Read standard PCI resources. */ @@ -105,7 +106,14 @@ static void nc_read_resources(struct device *dev) tseg_top_k = tseg_base_k + RES_IN_KIB(smm_size); /* Determine the base of the FSP reserved memory */ - fsp_res_base_k = RES_IN_KIB((unsigned long) cbmem_top()); + fsp_reserved_memory_area = cbmem_find(CBMEM_ID_FSP_RESERVED_MEMORY); + if (fsp_reserved_memory_area) { + fsp_res_base_k = + RES_IN_KIB((unsigned int)fsp_reserved_memory_area); + } else { + /* If no FSP reserverd area */ + fsp_res_base_k = tseg_base_k; + } /* PCIe memory-mapped config space access - 256 MiB. */ mmconf = iosf_bunit_read(BUNIT_MMCONF_REG) & ~((1 << 28) - 1); @@ -116,8 +124,8 @@ static void nc_read_resources(struct device *dev) size_k = RES_IN_KIB(0xa0000) - base_k; ram_resource(dev, index++, base_k, size_k); - /* 0xc0000 -> fsp_res_base - cacheable and usable */ - base_k = RES_IN_KIB(0xc0000); + /* High memory -> fsp_res_base - cacheable and usable */ + base_k = RES_IN_KIB(0x100000); size_k = fsp_res_base_k - base_k; ram_resource(dev, index++, base_k, size_k); |