diff options
| author | Christian Walter <christian.walter@9elements.com> | 2022-06-29 18:23:51 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-07-15 12:06:32 +0000 |
| commit | 106def9645e8296751cbed7fb9b229db2376d6be (patch) | |
| tree | f254ae64c66175207cd123bd541b11afb0c817b7 /src/soc | |
| parent | b1a4c62130555f47f3095bd1021b5aeca137582e (diff) | |
soc/intel/xeon_sp: Make gsi_bases platform independent
This commit makes gsi_bases platform independent. It introduces two new
Kconfigs which set if there are IIO APICs on other devices than the PCH
or not, and where they do start.
Change-Id: I40db4a8fd90572757687f35bbd8eebd7229fc75a
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65531
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/xeon_sp/acpi.c | 19 | ||||
| -rw-r--r-- | src/soc/intel/xeon_sp/cpx/Kconfig | 8 | ||||
| -rw-r--r-- | src/soc/intel/xeon_sp/skx/Kconfig | 8 |
3 files changed, 28 insertions, 7 deletions
diff --git a/src/soc/intel/xeon_sp/acpi.c b/src/soc/intel/xeon_sp/acpi.c index 0e7f6a5ac7..2abe433eee 100644 --- a/src/soc/intel/xeon_sp/acpi.c +++ b/src/soc/intel/xeon_sp/acpi.c @@ -98,16 +98,16 @@ static void print_madt_ioapic(int socket, int stack, const struct madt_ioapic_info *soc_get_ioapic_info(size_t *entries) { int cur_index; + int gsi_per_iiostack = 0; + const IIO_UDS *hob = get_iio_uds(); - /* With XEON-SP FSP, PCH IOAPIC is allocated with first 120 GSIs. */ -#if (CONFIG(SOC_INTEL_COOPERLAKE_SP)) - const int gsi_bases[] = { 0, 0x78, 0x80, 0x88, 0x90, 0x98, 0xA0, 0xA8, 0xB0 }; -#endif + uint8_t gsi_bases[CONFIG(XEON_SP_HAVE_IIO_IOAPIC) * 8 + 1] = { 0 }; -#if (CONFIG(SOC_INTEL_SKYLAKE_SP)) - const int gsi_bases[] = { 0, 0x18, 0x20, 0x28, 0x30, 0x48, 0x50, 0x58, 0x60 }; -#endif + for (uint8_t i = 1; i < sizeof(gsi_bases); i++) { + int gsi_base = CONFIG_XEON_SP_PCH_IOAPIC_GSI_BASES; + gsi_bases[i] = gsi_base + (i * gsi_per_iiostack); + } static struct madt_ioapic_info madt_tbl[ARRAY_SIZE(gsi_bases)]; @@ -119,6 +119,11 @@ const struct madt_ioapic_info *soc_get_ioapic_info(size_t *entries) madt_tbl[cur_index].addr, madt_tbl[cur_index].gsi_base); ++cur_index; + if (!CONFIG(XEON_SP_HAVE_IIO_IOAPIC)) { + *entries = cur_index; + return madt_tbl; + } + for (int socket = 0; socket < hob->PlatformData.numofIIO; ++socket) { for (int stack = 0; stack < MAX_IIO_STACK; ++stack) { const STACK_RES *ri = diff --git a/src/soc/intel/xeon_sp/cpx/Kconfig b/src/soc/intel/xeon_sp/cpx/Kconfig index bac7bdbc9d..52de09ab7b 100644 --- a/src/soc/intel/xeon_sp/cpx/Kconfig +++ b/src/soc/intel/xeon_sp/cpx/Kconfig @@ -108,6 +108,14 @@ config DIMM_MAX config DIMM_SPD_SIZE default 512 +config XEON_SP_HAVE_IIO_IOAPIC + bool + default y + +config XEON_SP_PCH_IOAPIC_GSI_BASES + hex + default 0x78 + if INTEL_TXT config INTEL_TXT_SINIT_SIZE diff --git a/src/soc/intel/xeon_sp/skx/Kconfig b/src/soc/intel/xeon_sp/skx/Kconfig index 444968d603..c325512d57 100644 --- a/src/soc/intel/xeon_sp/skx/Kconfig +++ b/src/soc/intel/xeon_sp/skx/Kconfig @@ -59,4 +59,12 @@ config IFD_CHIPSET string default "lbg" +config XEON_SP_HAVE_IIO_IOAPIC + bool + default y + +config XEON_SP_PCH_IOAPIC_GSI_BASES + hex + default 0x18 + endif |