summaryrefslogtreecommitdiff
path: root/arch/mips/include/asm/netlogic/xlr/pic.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/include/asm/netlogic/xlr/pic.h')
-rw-r--r--arch/mips/include/asm/netlogic/xlr/pic.h69
1 files changed, 51 insertions, 18 deletions
diff --git a/arch/mips/include/asm/netlogic/xlr/pic.h b/arch/mips/include/asm/netlogic/xlr/pic.h
index 5cceb746f080..868013e62f32 100644
--- a/arch/mips/include/asm/netlogic/xlr/pic.h
+++ b/arch/mips/include/asm/netlogic/xlr/pic.h
@@ -193,39 +193,72 @@
/* end XLS */
#ifndef __ASSEMBLY__
-static inline void pic_send_ipi(u32 ipi)
+
+#define PIC_IRQ_IS_EDGE_TRIGGERED(irq) (((irq) >= PIC_TIMER_0_IRQ) && \
+ ((irq) <= PIC_TIMER_7_IRQ))
+#define PIC_IRQ_IS_IRT(irq) (((irq) >= PIC_IRT_FIRST_IRQ) && \
+ ((irq) <= PIC_IRT_LAST_IRQ))
+
+static inline int
+nlm_irq_to_irt(int irq)
{
- nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+ if (PIC_IRQ_IS_IRT(irq) == 0)
+ return -1;
- netlogic_write_reg(mmio, PIC_IPI, ipi);
+ return PIC_IRQ_TO_INTR(irq);
}
-static inline u32 pic_read_control(void)
+static inline int
+nlm_irt_to_irq(int irt)
{
- nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
- return netlogic_read_reg(mmio, PIC_CTRL);
+ return PIC_INTR_TO_IRQ(irt);
}
-static inline void pic_write_control(u32 control)
+static inline void
+nlm_pic_enable_irt(uint64_t base, int irt)
{
- nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+ uint32_t reg;
- netlogic_write_reg(mmio, PIC_CTRL, control);
+ reg = nlm_read_reg(base, PIC_IRT_1(irt));
+ nlm_write_reg(base, PIC_IRT_1(irt), reg | (1u << 31));
}
-static inline void pic_update_control(u32 control)
+static inline void
+nlm_pic_disable_irt(uint64_t base, int irt)
{
- nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+ uint32_t reg;
- netlogic_write_reg(mmio, PIC_CTRL,
- (control | netlogic_read_reg(mmio, PIC_CTRL)));
+ reg = nlm_read_reg(base, PIC_IRT_1(irt));
+ nlm_write_reg(base, PIC_IRT_1(irt), reg & ~(1u << 31));
}
-#define PIC_IRQ_IS_EDGE_TRIGGERED(irq) (((irq) >= PIC_TIMER_0_IRQ) && \
- ((irq) <= PIC_TIMER_7_IRQ))
-#define PIC_IRQ_IS_IRT(irq) (((irq) >= PIC_IRT_FIRST_IRQ) && \
- ((irq) <= PIC_IRT_LAST_IRQ))
-#endif
+static inline void
+nlm_pic_send_ipi(uint64_t base, int hwt, int irq, int nmi)
+{
+ unsigned int tid, pid;
+
+ tid = hwt & 0x3;
+ pid = (hwt >> 2) & 0x07;
+ nlm_write_reg(base, PIC_IPI,
+ (pid << 20) | (tid << 16) | (nmi << 8) | irq);
+}
+
+static inline void
+nlm_pic_ack(uint64_t base, int irt)
+{
+ nlm_write_reg(base, PIC_INT_ACK, 1u << irt);
+}
+static inline void
+nlm_pic_init_irt(uint64_t base, int irt, int irq, int hwt)
+{
+ nlm_write_reg(base, PIC_IRT_0(irt), (1u << hwt));
+ /* local scheduling, invalid, level by default */
+ nlm_write_reg(base, PIC_IRT_1(irt),
+ (1 << 30) | (1 << 6) | irq);
+}
+
+extern uint64_t nlm_pic_base;
+#endif
#endif /* _ASM_NLM_XLR_PIC_H */