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pnv/xive2: Define OGEN field in the TIMA 

The OGEN field at offset 0x1F is a new field for Gen2 TIMA. This
patch defines it.

Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Michael Kowal <kowal@linux.vnet.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
This commit is contained in:
Frederic Barrat 2024-09-13 11:16:47 -05:00 committed by Nicholas Piggin
parent a53304639a
commit b9deafe7bf
2 changed files with 5 additions and 0 deletions
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4
hw/intc/xive.c
View File

@ -742,6 +742,10 @@ void xive_tctx_reset(XiveTCTX *tctx)
tctx->regs[TM_QW1_OS + TM_LSMFB] = 0xFF;
tctx->regs[TM_QW1_OS + TM_ACK_CNT] = 0xFF;
tctx->regs[TM_QW1_OS + TM_AGE] = 0xFF;
if (!(xive_presenter_get_config(tctx->xptr) &
XIVE_PRESENTER_GEN1_TIMA_OS)) {
tctx->regs[TM_QW1_OS + TM_OGEN] = 2;
}
/*
* Initialize PIPR to 0xFF to avoid phantom interrupts when the

1
include/hw/ppc/xive_regs.h
View File

@ -79,6 +79,7 @@
#define TM_INC 0x5 /* - + - + */
#define TM_AGE 0x6 /* - + - + */
#define TM_PIPR 0x7 /* - + - + */
#define TM_OGEN 0xF /* - + - - */ /* P10 only */
#define TM_WORD0 0x0
#define TM_WORD1 0x4