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soc/amd/picasso: add mb_pre_fspm() definition and weak implementation

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On newer AMD platforms, mb_pre_fspm() is used to set GPIOs in romstage
for PCIe reset (currently set in bootblock) and touchscreen power
sequencing (not yet implemented, but will be later in the patch train).

Change-Id: Ia422aaa9e80355f9a9f8f850368441e5c8ff6598
Signed-off-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69452
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Reviewed-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Matt DeVillier
2022-11-11 11:48:39 -06:00
committed by Martin L Roth
parent 16fd5843a2
commit c3583173ec
2 changed files with 6 additions and 0 deletions
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4
src/soc/amd/picasso/fsp_m_params.c
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@@ -5,6 +5,7 @@
#include <console/uart.h> #include <console/uart.h>
#include <device/device.h> #include <device/device.h>
#include <fsp/api.h> #include <fsp/api.h>
#include <soc/platform_descriptors.h>
#include <soc/pci_devs.h> #include <soc/pci_devs.h>
#include <soc/fsp.h> #include <soc/fsp.h>
#include <types.h> #include <types.h>
@@ -12,6 +13,8 @@
void __weak mainboard_updm_update(FSP_M_CONFIG *mupd) {} void __weak mainboard_updm_update(FSP_M_CONFIG *mupd) {}
void __weak mb_pre_fspm(void) {}
void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version) void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)
{ {
FSP_M_CONFIG *mcfg = &mupd->FspmConfig; FSP_M_CONFIG *mcfg = &mupd->FspmConfig;
@@ -69,4 +72,5 @@ void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)
mcfg->pspp_policy = config->pspp_policy; mcfg->pspp_policy = config->pspp_policy;
mainboard_updm_update(mcfg); mainboard_updm_update(mcfg);
mb_pre_fspm();
} }

2
src/soc/amd/picasso/include/soc/platform_descriptors.h
View File

@@ -27,4 +27,6 @@ void mainboard_get_dxio_ddi_descriptors(
const fsp_dxio_descriptor **dxio_descs, size_t *dxio_num, const fsp_dxio_descriptor **dxio_descs, size_t *dxio_num,
const fsp_ddi_descriptor **ddi_descs, size_t *ddi_num); const fsp_ddi_descriptor **ddi_descs, size_t *ddi_num);
void mb_pre_fspm(void);
#endif /* AMD_PICASSO_PLATFORM_DESCRIPTORS_H */ #endif /* AMD_PICASSO_PLATFORM_DESCRIPTORS_H */