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ppc/pnv: add a PSI bridge model for POWER9

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The PSI bridge on POWER9 is very similar to POWER8. The BAR is still
set through XSCOM but the controls are now entirely done with MMIOs.
More interrupts are defined and the interrupt controller interface has
changed to XIVE. The POWER9 model is a first example of the usage of
the notify() handler of the XiveNotifier interface, linking the PSI
XiveSource to its owning device model.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190307223548.20516-3-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2019-03-07 23:35:35 +01:00 • committed by David Gibson
parent ae85605531
commit c38536bc80
5 changed files with 384 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

6
include/hw/ppc/pnv.h
View file

@ -84,6 +84,7 @@ typedef struct Pnv9Chip {
/*< public >*/
PnvXive xive;
Pnv9Psi psi;
} Pnv9Chip;
typedef struct PnvChipClass {
@ -231,11 +232,16 @@ void pnv_bmc_powerdown(IPMIBmc *bmc);
#define PNV9_XIVE_PC_SIZE 0x0000001000000000ull
#define PNV9_XIVE_PC_BASE(chip) PNV9_CHIP_BASE(chip, 0x0006018000000000ull)
#define PNV9_PSIHB_SIZE 0x0000000000100000ull
#define PNV9_PSIHB_BASE(chip) PNV9_CHIP_BASE(chip, 0x0006030203000000ull)
#define PNV9_XIVE_IC_SIZE 0x0000000000080000ull
#define PNV9_XIVE_IC_BASE(chip) PNV9_CHIP_BASE(chip, 0x0006030203100000ull)
#define PNV9_XIVE_TM_SIZE 0x0000000000040000ull
#define PNV9_XIVE_TM_BASE(chip) PNV9_CHIP_BASE(chip, 0x0006030203180000ull)
#define PNV9_PSIHB_ESB_SIZE 0x0000000000010000ull
#define PNV9_PSIHB_ESB_BASE(chip) PNV9_CHIP_BASE(chip, 0x00060302031c0000ull)
#endif /* _PPC_PNV_H */

30
include/hw/ppc/pnv_psi.h
View file

@ -21,6 +21,7 @@
#include "hw/sysbus.h"
#include "hw/ppc/xics.h"
#include "hw/ppc/xive.h"
#define TYPE_PNV_PSI "pnv-psi"
#define PNV_PSI(obj) \
@ -57,6 +58,16 @@ typedef struct Pnv8Psi {
ICSState ics;
} Pnv8Psi;
#define TYPE_PNV9_PSI TYPE_PNV_PSI "-POWER9"
#define PNV9_PSI(obj) \
OBJECT_CHECK(Pnv9Psi, (obj), TYPE_PNV9_PSI)
typedef struct Pnv9Psi {
PnvPsi parent;
XiveSource source;
} Pnv9Psi;
#define PNV_PSI_CLASS(klass) \
OBJECT_CLASS_CHECK(PnvPsiClass, (klass), TYPE_PNV_PSI)
#define PNV_PSI_GET_CLASS(obj) \
@ -88,4 +99,23 @@ typedef enum PnvPsiIrq {
void pnv_psi_irq_set(PnvPsi *psi, int irq, bool state);
/* P9 PSI Interrupts */
#define PSIHB9_IRQ_PSI 0
#define PSIHB9_IRQ_OCC 1
#define PSIHB9_IRQ_FSI 2
#define PSIHB9_IRQ_LPCHC 3
#define PSIHB9_IRQ_LOCAL_ERR 4
#define PSIHB9_IRQ_GLOBAL_ERR 5
#define PSIHB9_IRQ_TPM 6
#define PSIHB9_IRQ_LPC_SIRQ0 7
#define PSIHB9_IRQ_LPC_SIRQ1 8
#define PSIHB9_IRQ_LPC_SIRQ2 9
#define PSIHB9_IRQ_LPC_SIRQ3 10
#define PSIHB9_IRQ_SBE_I2C 11
#define PSIHB9_IRQ_DIO 12
#define PSIHB9_IRQ_PSU 13
#define PSIHB9_NUM_IRQS 14
void pnv_psi_pic_print_info(Pnv9Psi *psi, Monitor *mon);
#endif /* _PPC_PNV_PSI_H */

3
include/hw/ppc/pnv_xscom.h
View file

@ -73,6 +73,9 @@ typedef struct PnvXScomInterfaceClass {
#define PNV_XSCOM_OCC_BASE 0x0066000
#define PNV_XSCOM_OCC_SIZE 0x6000
#define PNV9_XSCOM_PSIHB_BASE 0x5012900
#define PNV9_XSCOM_PSIHB_SIZE 0x100
#define PNV9_XSCOM_XIVE_BASE 0x5013000
#define PNV9_XSCOM_XIVE_SIZE 0x300