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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2017-09-17 18:15:46 +0100
committerDavid Gibson <david@gibson.dropbear.id.au>2017-09-27 13:05:41 +1000
commit58b62835863db2164002ad843455045c29bcb029 (patch)
tree8d934793f200c8c5748867fa7d4f3bf5a63d6775 /hw/intc
parent4f7265ff177df2886ccaed0bca318dc81a7f5e75 (diff)
ppc: Fix OpenPIC model
Apple uses an IBM MPIC2A without timers, it has 64 sources. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/intc')
-rw-r--r--hw/intc/openpic.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/hw/intc/openpic.c b/hw/intc/openpic.c
index 9dd285b923..10d6e871fb 100644
--- a/hw/intc/openpic.c
+++ b/hw/intc/openpic.c
@@ -92,6 +92,16 @@ static int get_current_cpu(void);
#define RAVEN_MAX_TMR OPENPIC_MAX_TMR
#define RAVEN_MAX_IPI OPENPIC_MAX_IPI
+/* KeyLargo */
+#define KEYLARGO_MAX_CPU 4
+#define KEYLARGO_MAX_EXT 64
+#define KEYLARGO_MAX_IPI 4
+#define KEYLARGO_MAX_IRQ (64 + KEYLARGO_MAX_IPI)
+#define KEYLARGO_MAX_TMR 0
+#define KEYLARGO_IPI_IRQ (KEYLARGO_MAX_EXT) /* First IPI IRQ */
+/* Timers don't exist but this makes the code happy... */
+#define KEYLARGO_TMR_IRQ (KEYLARGO_IPI_IRQ + KEYLARGO_MAX_IPI)
+
/* Interrupt definitions */
#define RAVEN_FE_IRQ (RAVEN_MAX_EXT) /* Internal functional IRQ */
#define RAVEN_ERR_IRQ (RAVEN_MAX_EXT + 1) /* Error IRQ */
@@ -120,6 +130,7 @@ static FslMpicInfo fsl_mpic_42 = {
#define VID_REVISION_1_3 3
#define VIR_GENERIC 0x00000000 /* Generic Vendor ID */
+#define VIR_MPIC2A 0x00004614 /* IBM MPIC-2A */
#define GCR_RESET 0x80000000
#define GCR_MODE_PASS 0x00000000
@@ -329,6 +340,8 @@ typedef struct OpenPICState {
uint32_t nb_cpus;
/* Timer registers */
OpenPICTimer timers[OPENPIC_MAX_TMR];
+ uint32_t max_tmr;
+
/* Shared MSI registers */
OpenPICMSI msi[MAX_MSI];
uint32_t max_irq;
@@ -1717,6 +1730,28 @@ static void openpic_realize(DeviceState *dev, Error **errp)
map_list(opp, list_le, &list_count);
break;
+
+ case OPENPIC_MODEL_KEYLARGO:
+ opp->nb_irqs = KEYLARGO_MAX_EXT;
+ opp->vid = VID_REVISION_1_2;
+ opp->vir = VIR_GENERIC;
+ opp->vector_mask = 0xFF;
+ opp->tfrr_reset = 4160000;
+ opp->ivpr_reset = IVPR_MASK_MASK | IVPR_MODE_MASK;
+ opp->idr_reset = 0;
+ opp->max_irq = KEYLARGO_MAX_IRQ;
+ opp->irq_ipi0 = KEYLARGO_IPI_IRQ;
+ opp->irq_tim0 = KEYLARGO_TMR_IRQ;
+ opp->brr1 = -1;
+ opp->mpic_mode_mask = GCR_MODE_MIXED;
+
+ if (opp->nb_cpus != 1) {
+ error_setg(errp, "Only UP supported today");
+ return;
+ }
+
+ map_list(opp, list_le, &list_count);
+ break;
}
for (i = 0; i < opp->nb_cpus; i++) {