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Diffstat (limited to 'arch/mips/include/asm/netlogic/xlp-hal/pic.h')
-rw-r--r--arch/mips/include/asm/netlogic/xlp-hal/pic.h411
1 files changed, 411 insertions, 0 deletions
diff --git a/arch/mips/include/asm/netlogic/xlp-hal/pic.h b/arch/mips/include/asm/netlogic/xlp-hal/pic.h
new file mode 100644
index 00000000000..b6628f7ccf7
--- /dev/null
+++ b/arch/mips/include/asm/netlogic/xlp-hal/pic.h
@@ -0,0 +1,411 @@
+/*
+ * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
+ * reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the NetLogic
+ * license below:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _NLM_HAL_PIC_H
+#define _NLM_HAL_PIC_H
+
+/* PIC Specific registers */
+#define PIC_CTRL 0x00
+
+/* PIC control register defines */
+#define PIC_CTRL_ITV 32 /* interrupt timeout value */
+#define PIC_CTRL_ICI 19 /* ICI interrupt timeout enable */
+#define PIC_CTRL_ITE 18 /* interrupt timeout enable */
+#define PIC_CTRL_STE 10 /* system timer interrupt enable */
+#define PIC_CTRL_WWR1 8 /* watchdog 1 wraparound count for reset */
+#define PIC_CTRL_WWR0 6 /* watchdog 0 wraparound count for reset */
+#define PIC_CTRL_WWN1 4 /* watchdog 1 wraparound count for NMI */
+#define PIC_CTRL_WWN0 2 /* watchdog 0 wraparound count for NMI */
+#define PIC_CTRL_WTE 0 /* watchdog timer enable */
+
+/* PIC Status register defines */
+#define PIC_ICI_STATUS 33 /* ICI interrupt timeout status */
+#define PIC_ITE_STATUS 32 /* interrupt timeout status */
+#define PIC_STS_STATUS 4 /* System timer interrupt status */
+#define PIC_WNS_STATUS 2 /* NMI status for watchdog timers */
+#define PIC_WIS_STATUS 0 /* Interrupt status for watchdog timers */
+
+/* PIC IPI control register offsets */
+#define PIC_IPICTRL_NMI 32
+#define PIC_IPICTRL_RIV 20 /* received interrupt vector */
+#define PIC_IPICTRL_IDB 16 /* interrupt destination base */
+#define PIC_IPICTRL_DTE 0 /* interrupt destination thread enables */
+
+/* PIC IRT register offsets */
+#define PIC_IRT_ENABLE 31
+#define PIC_IRT_NMI 29
+#define PIC_IRT_SCH 28 /* Scheduling scheme */
+#define PIC_IRT_RVEC 20 /* Interrupt receive vectors */
+#define PIC_IRT_DT 19 /* Destination type */
+#define PIC_IRT_DB 16 /* Destination base */
+#define PIC_IRT_DTE 0 /* Destination thread enables */
+
+#define PIC_BYTESWAP 0x02
+#define PIC_STATUS 0x04
+#define PIC_INTR_TIMEOUT 0x06
+#define PIC_ICI0_INTR_TIMEOUT 0x08
+#define PIC_ICI1_INTR_TIMEOUT 0x0a
+#define PIC_ICI2_INTR_TIMEOUT 0x0c
+#define PIC_IPI_CTL 0x0e
+#define PIC_INT_ACK 0x10
+#define PIC_INT_PENDING0 0x12
+#define PIC_INT_PENDING1 0x14
+#define PIC_INT_PENDING2 0x16
+
+#define PIC_WDOG0_MAXVAL 0x18
+#define PIC_WDOG0_COUNT 0x1a
+#define PIC_WDOG0_ENABLE0 0x1c
+#define PIC_WDOG0_ENABLE1 0x1e
+#define PIC_WDOG0_BEATCMD 0x20
+#define PIC_WDOG0_BEAT0 0x22
+#define PIC_WDOG0_BEAT1 0x24
+
+#define PIC_WDOG1_MAXVAL 0x26
+#define PIC_WDOG1_COUNT 0x28
+#define PIC_WDOG1_ENABLE0 0x2a
+#define PIC_WDOG1_ENABLE1 0x2c
+#define PIC_WDOG1_BEATCMD 0x2e
+#define PIC_WDOG1_BEAT0 0x30
+#define PIC_WDOG1_BEAT1 0x32
+
+#define PIC_WDOG_MAXVAL(i) (PIC_WDOG0_MAXVAL + ((i) ? 7 : 0))
+#define PIC_WDOG_COUNT(i) (PIC_WDOG0_COUNT + ((i) ? 7 : 0))
+#define PIC_WDOG_ENABLE0(i) (PIC_WDOG0_ENABLE0 + ((i) ? 7 : 0))
+#define PIC_WDOG_ENABLE1(i) (PIC_WDOG0_ENABLE1 + ((i) ? 7 : 0))
+#define PIC_WDOG_BEATCMD(i) (PIC_WDOG0_BEATCMD + ((i) ? 7 : 0))
+#define PIC_WDOG_BEAT0(i) (PIC_WDOG0_BEAT0 + ((i) ? 7 : 0))
+#define PIC_WDOG_BEAT1(i) (PIC_WDOG0_BEAT1 + ((i) ? 7 : 0))
+
+#define PIC_TIMER0_MAXVAL 0x34
+#define PIC_TIMER1_MAXVAL 0x36
+#define PIC_TIMER2_MAXVAL 0x38
+#define PIC_TIMER3_MAXVAL 0x3a
+#define PIC_TIMER4_MAXVAL 0x3c
+#define PIC_TIMER5_MAXVAL 0x3e
+#define PIC_TIMER6_MAXVAL 0x40
+#define PIC_TIMER7_MAXVAL 0x42
+#define PIC_TIMER_MAXVAL(i) (PIC_TIMER0_MAXVAL + ((i) * 2))
+
+#define PIC_TIMER0_COUNT 0x44
+#define PIC_TIMER1_COUNT 0x46
+#define PIC_TIMER2_COUNT 0x48
+#define PIC_TIMER3_COUNT 0x4a
+#define PIC_TIMER4_COUNT 0x4c
+#define PIC_TIMER5_COUNT 0x4e
+#define PIC_TIMER6_COUNT 0x50
+#define PIC_TIMER7_COUNT 0x52
+#define PIC_TIMER_COUNT(i) (PIC_TIMER0_COUNT + ((i) * 2))
+
+#define PIC_ITE0_N0_N1 0x54
+#define PIC_ITE1_N0_N1 0x58
+#define PIC_ITE2_N0_N1 0x5c
+#define PIC_ITE3_N0_N1 0x60
+#define PIC_ITE4_N0_N1 0x64
+#define PIC_ITE5_N0_N1 0x68
+#define PIC_ITE6_N0_N1 0x6c
+#define PIC_ITE7_N0_N1 0x70
+#define PIC_ITE_N0_N1(i) (PIC_ITE0_N0_N1 + ((i) * 4))
+
+#define PIC_ITE0_N2_N3 0x56
+#define PIC_ITE1_N2_N3 0x5a
+#define PIC_ITE2_N2_N3 0x5e
+#define PIC_ITE3_N2_N3 0x62
+#define PIC_ITE4_N2_N3 0x66
+#define PIC_ITE5_N2_N3 0x6a
+#define PIC_ITE6_N2_N3 0x6e
+#define PIC_ITE7_N2_N3 0x72
+#define PIC_ITE_N2_N3(i) (PIC_ITE0_N2_N3 + ((i) * 4))
+
+#define PIC_IRT0 0x74
+#define PIC_IRT(i) (PIC_IRT0 + ((i) * 2))
+
+#define TIMER_CYCLES_MAXVAL 0xffffffffffffffffULL
+
+/*
+ * IRT Map
+ */
+#define PIC_NUM_IRTS 160
+
+#define PIC_IRT_WD_0_INDEX 0
+#define PIC_IRT_WD_1_INDEX 1
+#define PIC_IRT_WD_NMI_0_INDEX 2
+#define PIC_IRT_WD_NMI_1_INDEX 3
+#define PIC_IRT_TIMER_0_INDEX 4
+#define PIC_IRT_TIMER_1_INDEX 5
+#define PIC_IRT_TIMER_2_INDEX 6
+#define PIC_IRT_TIMER_3_INDEX 7
+#define PIC_IRT_TIMER_4_INDEX 8
+#define PIC_IRT_TIMER_5_INDEX 9
+#define PIC_IRT_TIMER_6_INDEX 10
+#define PIC_IRT_TIMER_7_INDEX 11
+#define PIC_IRT_CLOCK_INDEX PIC_IRT_TIMER_7_INDEX
+#define PIC_IRT_TIMER_INDEX(num) ((num) + PIC_IRT_TIMER_0_INDEX)
+
+
+/* 11 and 12 */
+#define PIC_NUM_MSG_Q_IRTS 32
+#define PIC_IRT_MSG_Q0_INDEX 12
+#define PIC_IRT_MSG_Q_INDEX(qid) ((qid) + PIC_IRT_MSG_Q0_INDEX)
+/* 12 to 43 */
+#define PIC_IRT_MSG_0_INDEX 44
+#define PIC_IRT_MSG_1_INDEX 45
+/* 44 and 45 */
+#define PIC_NUM_PCIE_MSIX_IRTS 32
+#define PIC_IRT_PCIE_MSIX_0_INDEX 46
+#define PIC_IRT_PCIE_MSIX_INDEX(num) ((num) + PIC_IRT_PCIE_MSIX_0_INDEX)
+/* 46 to 77 */
+#define PIC_NUM_PCIE_LINK_IRTS 4
+#define PIC_IRT_PCIE_LINK_0_INDEX 78
+#define PIC_IRT_PCIE_LINK_1_INDEX 79
+#define PIC_IRT_PCIE_LINK_2_INDEX 80
+#define PIC_IRT_PCIE_LINK_3_INDEX 81
+#define PIC_IRT_PCIE_LINK_INDEX(num) ((num) + PIC_IRT_PCIE_LINK_0_INDEX)
+/* 78 to 81 */
+#define PIC_NUM_NA_IRTS 32
+/* 82 to 113 */
+#define PIC_IRT_NA_0_INDEX 82
+#define PIC_IRT_NA_INDEX(num) ((num) + PIC_IRT_NA_0_INDEX)
+#define PIC_IRT_POE_INDEX 114
+
+#define PIC_NUM_USB_IRTS 6
+#define PIC_IRT_USB_0_INDEX 115
+#define PIC_IRT_EHCI_0_INDEX 115
+#define PIC_IRT_EHCI_1_INDEX 118
+#define PIC_IRT_USB_INDEX(num) ((num) + PIC_IRT_USB_0_INDEX)
+/* 115 to 120 */
+#define PIC_IRT_GDX_INDEX 121
+#define PIC_IRT_SEC_INDEX 122
+#define PIC_IRT_RSA_INDEX 123
+
+#define PIC_NUM_COMP_IRTS 4
+#define PIC_IRT_COMP_0_INDEX 124
+#define PIC_IRT_COMP_INDEX(num) ((num) + PIC_IRT_COMP_0_INDEX)
+/* 124 to 127 */
+#define PIC_IRT_GBU_INDEX 128
+#define PIC_IRT_ICC_0_INDEX 129 /* ICC - Inter Chip Coherency */
+#define PIC_IRT_ICC_1_INDEX 130
+#define PIC_IRT_ICC_2_INDEX 131
+#define PIC_IRT_CAM_INDEX 132
+#define PIC_IRT_UART_0_INDEX 133
+#define PIC_IRT_UART_1_INDEX 134
+#define PIC_IRT_I2C_0_INDEX 135
+#define PIC_IRT_I2C_1_INDEX 136
+#define PIC_IRT_SYS_0_INDEX 137
+#define PIC_IRT_SYS_1_INDEX 138
+#define PIC_IRT_JTAG_INDEX 139
+#define PIC_IRT_PIC_INDEX 140
+#define PIC_IRT_NBU_INDEX 141
+#define PIC_IRT_TCU_INDEX 142
+#define PIC_IRT_GCU_INDEX 143 /* GBC - Global Coherency */
+#define PIC_IRT_DMC_0_INDEX 144
+#define PIC_IRT_DMC_1_INDEX 145
+
+#define PIC_NUM_GPIO_IRTS 4
+#define PIC_IRT_GPIO_0_INDEX 146
+#define PIC_IRT_GPIO_INDEX(num) ((num) + PIC_IRT_GPIO_0_INDEX)
+
+/* 146 to 149 */
+#define PIC_IRT_NOR_INDEX 150
+#define PIC_IRT_NAND_INDEX 151
+#define PIC_IRT_SPI_INDEX 152
+#define PIC_IRT_MMC_INDEX 153
+
+#define PIC_CLOCK_TIMER 7
+#define PIC_IRQ_BASE 8
+
+#if !defined(LOCORE) && !defined(__ASSEMBLY__)
+
+#define PIC_IRT_FIRST_IRQ (PIC_IRQ_BASE)
+#define PIC_IRT_LAST_IRQ 63
+#define PIC_IRQ_IS_IRT(irq) ((irq) >= PIC_IRT_FIRST_IRQ)
+
+/*
+ * Misc
+ */
+#define PIC_IRT_VALID 1
+#define PIC_LOCAL_SCHEDULING 1
+#define PIC_GLOBAL_SCHEDULING 0
+
+#define nlm_read_pic_reg(b, r) nlm_read_reg64(b, r)
+#define nlm_write_pic_reg(b, r, v) nlm_write_reg64(b, r, v)
+#define nlm_get_pic_pcibase(node) nlm_pcicfg_base(XLP_IO_PIC_OFFSET(node))
+#define nlm_get_pic_regbase(node) (nlm_get_pic_pcibase(node) + XLP_IO_PCI_HDRSZ)
+
+/* IRT and h/w interrupt routines */
+static inline int
+nlm_pic_read_irt(uint64_t base, int irt_index)
+{
+ return nlm_read_pic_reg(base, PIC_IRT(irt_index));
+}
+
+static inline uint64_t
+nlm_pic_read_control(uint64_t base)
+{
+ return nlm_read_pic_reg(base, PIC_CTRL);
+}
+
+static inline void
+nlm_pic_write_control(uint64_t base, uint64_t control)
+{
+ nlm_write_pic_reg(base, PIC_CTRL, control);
+}
+
+static inline void
+nlm_pic_update_control(uint64_t base, uint64_t control)
+{
+ uint64_t val;
+
+ val = nlm_read_pic_reg(base, PIC_CTRL);
+ nlm_write_pic_reg(base, PIC_CTRL, control | val);
+}
+
+static inline void
+nlm_set_irt_to_cpu(uint64_t base, int irt, int cpu)
+{
+ uint64_t val;
+
+ val = nlm_read_pic_reg(base, PIC_IRT(irt));
+ val |= cpu & 0xf;
+ if (cpu > 15)
+ val |= 1 << 16;
+ nlm_write_pic_reg(base, PIC_IRT(irt), val);
+}
+
+static inline void
+nlm_pic_write_irt(uint64_t base, int irt_num, int en, int nmi,
+ int sch, int vec, int dt, int db, int dte)
+{
+ uint64_t val;
+
+ val = (((uint64_t)en & 0x1) << 31) | ((nmi & 0x1) << 29) |
+ ((sch & 0x1) << 28) | ((vec & 0x3f) << 20) |
+ ((dt & 0x1) << 19) | ((db & 0x7) << 16) |
+ (dte & 0xffff);
+
+ nlm_write_pic_reg(base, PIC_IRT(irt_num), val);
+}
+
+static inline void
+nlm_pic_write_irt_direct(uint64_t base, int irt_num, int en, int nmi,
+ int sch, int vec, int cpu)
+{
+ nlm_pic_write_irt(base, irt_num, en, nmi, sch, vec, 1,
+ (cpu >> 4), /* thread group */
+ 1 << (cpu & 0xf)); /* thread mask */
+}
+
+static inline uint64_t
+nlm_pic_read_timer(uint64_t base, int timer)
+{
+ return nlm_read_pic_reg(base, PIC_TIMER_COUNT(timer));
+}
+
+static inline void
+nlm_pic_write_timer(uint64_t base, int timer, uint64_t value)
+{
+ nlm_write_pic_reg(base, PIC_TIMER_COUNT(timer), value);
+}
+
+static inline void
+nlm_pic_set_timer(uint64_t base, int timer, uint64_t value, int irq, int cpu)
+{
+ uint64_t pic_ctrl = nlm_read_pic_reg(base, PIC_CTRL);
+ int en;
+
+ en = (irq > 0);
+ nlm_write_pic_reg(base, PIC_TIMER_MAXVAL(timer), value);
+ nlm_pic_write_irt_direct(base, PIC_IRT_TIMER_INDEX(timer),
+ en, 0, 0, irq, cpu);
+
+ /* enable the timer */
+ pic_ctrl |= (1 << (PIC_CTRL_STE + timer));
+ nlm_write_pic_reg(base, PIC_CTRL, pic_ctrl);
+}
+
+static inline void
+nlm_pic_enable_irt(uint64_t base, int irt)
+{
+ uint64_t reg;
+
+ reg = nlm_read_pic_reg(base, PIC_IRT(irt));
+ nlm_write_pic_reg(base, PIC_IRT(irt), reg | (1u << 31));
+}
+
+static inline void
+nlm_pic_disable_irt(uint64_t base, int irt)
+{
+ uint32_t reg;
+
+ reg = nlm_read_pic_reg(base, PIC_IRT(irt));
+ nlm_write_pic_reg(base, PIC_IRT(irt), reg & ~((uint64_t)1 << 31));
+}
+
+static inline void
+nlm_pic_send_ipi(uint64_t base, int hwt, int irq, int nmi)
+{
+ uint64_t ipi;
+ int node, ncpu;
+
+ node = hwt / 32;
+ ncpu = hwt & 0x1f;
+ ipi = ((uint64_t)nmi << 31) | (irq << 20) | (node << 17) |
+ (1 << (ncpu & 0xf));
+ if (ncpu > 15)
+ ipi |= 0x10000; /* Setting bit 16 to select cpus 16-31 */
+
+ nlm_write_pic_reg(base, PIC_IPI_CTL, ipi);
+}
+
+static inline void
+nlm_pic_ack(uint64_t base, int irt_num)
+{
+ nlm_write_pic_reg(base, PIC_INT_ACK, irt_num);
+
+ /* Ack the Status register for Watchdog & System timers */
+ if (irt_num < 12)
+ nlm_write_pic_reg(base, PIC_STATUS, (1 << irt_num));
+}
+
+static inline void
+nlm_pic_init_irt(uint64_t base, int irt, int irq, int hwt)
+{
+ nlm_pic_write_irt_direct(base, irt, 0, 0, 0, irq, 0);
+}
+
+extern uint64_t nlm_pic_base;
+int nlm_irq_to_irt(int irq);
+int nlm_irt_to_irq(int irt);
+
+#endif /* __ASSEMBLY__ */
+#endif /* _NLM_HAL_PIC_H */