powerpc/opal: Add PHB to cxl mode call

This adds the OPAL call to change a PHB into cxl mode.

Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index a084cf5..9124b0e 100644 (file)
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -147,6 +147,7 @@ struct opal_sg_list {
 #define OPAL_GET_PARAM                         89
 #define OPAL_SET_PARAM                         90
 #define OPAL_DUMP_RESEND                       91
+#define OPAL_PCI_SET_PHB_CXL_MODE              93
 #define OPAL_DUMP_INFO2                                94
 #define OPAL_PCI_ERR_INJECT                    96
 #define OPAL_PCI_EEH_FREEZE_SET                        97
@@ -961,6 +962,7 @@ int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data);
 int64_t opal_handle_hmi(void);
 int64_t opal_register_dump_region(uint32_t id, uint64_t start, uint64_t end);
 int64_t opal_unregister_dump_region(uint32_t id);
+int64_t opal_pci_set_phb_cxl_mode(uint64_t phb_id, uint64_t mode, uint64_t pe_number);
 
 /* Internal functions */
 extern int early_init_dt_scan_opal(unsigned long node, const char *uname,

diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S
index 15942b6..e9e2450 100644 (file)
--- a/arch/powerpc/platforms/powernv/opal-wrappers.S
+++ b/arch/powerpc/platforms/powernv/opal-wrappers.S
@@ -249,3 +249,4 @@ OPAL_CALL(opal_set_param,                   OPAL_SET_PARAM);
 OPAL_CALL(opal_handle_hmi,                     OPAL_HANDLE_HMI);
 OPAL_CALL(opal_register_dump_region,           OPAL_REGISTER_DUMP_REGION);
 OPAL_CALL(opal_unregister_dump_region,         OPAL_UNREGISTER_DUMP_REGION);
+OPAL_CALL(opal_pci_set_phb_cxl_mode,           OPAL_PCI_SET_PHB_CXL_MODE);