summaryrefslogtreecommitdiff
path: root/drivers/char/ipmi/kcs_bmc_npcm7xx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/ipmi/kcs_bmc_npcm7xx.c')
-rw-r--r--drivers/char/ipmi/kcs_bmc_npcm7xx.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/char/ipmi/kcs_bmc_npcm7xx.c b/drivers/char/ipmi/kcs_bmc_npcm7xx.c
index 7bc898c5d372..722f7391fe1f 100644
--- a/drivers/char/ipmi/kcs_bmc_npcm7xx.c
+++ b/drivers/char/ipmi/kcs_bmc_npcm7xx.c
@@ -39,6 +39,12 @@
#define KCS3CTL 0x3C
#define KCS_CTL_IBFIE BIT(0)
+#define KCS1IE 0x1C
+#define KCS2IE 0x2E
+#define KCS3IE 0x40
+#define KCS_IE_IRQE BIT(0)
+#define KCS_IE_HIRQE BIT(3)
+
/*
* 7.2.4 Core KCS Registers
* Registers in this module are 8 bits. An 8-bit register must be accessed
@@ -48,12 +54,14 @@
* dob: KCS Channel n Data Out Buffer Register (KCSnDO).
* dib: KCS Channel n Data In Buffer Register (KCSnDI).
* ctl: KCS Channel n Control Register (KCSnCTL).
+ * ie : KCS Channel n Interrupt Enable Register (KCSnIE).
*/
struct npcm7xx_kcs_reg {
u32 sts;
u32 dob;
u32 dib;
u32 ctl;
+ u32 ie;
};
struct npcm7xx_kcs_bmc {
@@ -63,9 +71,9 @@ struct npcm7xx_kcs_bmc {
};
static const struct npcm7xx_kcs_reg npcm7xx_kcs_reg_tbl[KCS_CHANNEL_MAX] = {
- { .sts = KCS1ST, .dob = KCS1DO, .dib = KCS1DI, .ctl = KCS1CTL },
- { .sts = KCS2ST, .dob = KCS2DO, .dib = KCS2DI, .ctl = KCS2CTL },
- { .sts = KCS3ST, .dob = KCS3DO, .dib = KCS3DI, .ctl = KCS3CTL },
+ { .sts = KCS1ST, .dob = KCS1DO, .dib = KCS1DI, .ctl = KCS1CTL, .ie = KCS1IE },
+ { .sts = KCS2ST, .dob = KCS2DO, .dib = KCS2DI, .ctl = KCS2CTL, .ie = KCS2IE },
+ { .sts = KCS3ST, .dob = KCS3DO, .dib = KCS3DI, .ctl = KCS3CTL, .ie = KCS3IE },
};
static u8 npcm7xx_kcs_inb(struct kcs_bmc *kcs_bmc, u32 reg)
@@ -95,6 +103,9 @@ static void npcm7xx_kcs_enable_channel(struct kcs_bmc *kcs_bmc, bool enable)
regmap_update_bits(priv->map, priv->reg->ctl, KCS_CTL_IBFIE,
enable ? KCS_CTL_IBFIE : 0);
+
+ regmap_update_bits(priv->map, priv->reg->ie, KCS_IE_IRQE | KCS_IE_HIRQE,
+ enable ? KCS_IE_IRQE | KCS_IE_HIRQE : 0);
}
static irqreturn_t npcm7xx_kcs_irq(int irq, void *arg)