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/*-
* Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights
* reserved.
*
* 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 Microsystems ``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.
*
* NETLOGIC_BSD
* $FreeBSD: release/9.1.0/sys/mips/nlm/hal/pic.h 225394 2011-09-05 10:45:29Z jchandra $
*/
#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 void
nlm_pic_send_ipi(uint64_t base, int cpu, int vec, int nmi)
{
uint64_t ipi;
int node, ncpu;
node = cpu / 32;
ncpu = cpu & 0x1f;
ipi = ((uint64_t)nmi << 31) | (vec << 20) | (node << 17) |
(1 << (cpu & 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 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_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_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);
}
#endif /* __ASSEMBLY__ */
#endif /* _NLM_HAL_PIC_H */