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/*-
* Copyright (c) 2003-2009 RMI Corporation
* 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.
* 3. Neither the name of RMI Corporation, nor the names of its contributors,
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR 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.
* __FBSDID("$FreeBSD$");
*
* RMI_BSD */
#ifndef _RMI_PIC_H_
#define _RMI_PIC_H_
#include <sys/cdefs.h>
extern int rmi_spin_mutex_safe;
#include <sys/lock.h>
#include <sys/mutex.h>
#include <mips/rmi/iomap.h>
#define PIC_IRT_WD_INDEX 0
#define PIC_IRT_TIMER_0_INDEX 1
#define PIC_IRT_TIMER_1_INDEX 2
#define PIC_IRT_TIMER_2_INDEX 3
#define PIC_IRT_TIMER_3_INDEX 4
#define PIC_IRT_TIMER_4_INDEX 5
#define PIC_IRT_TIMER_5_INDEX 6
#define PIC_IRT_TIMER_6_INDEX 7
#define PIC_IRT_TIMER_7_INDEX 8
#define PIC_IRT_CLOCK_INDEX PIC_IRT_TIMER_7_INDEX
#define PIC_IRT_UART_0_INDEX 9
#define PIC_IRT_UART_1_INDEX 10
#define PIC_IRT_I2C_0_INDEX 11
#define PIC_IRT_I2C_1_INDEX 12
#define PIC_IRT_PCMCIA_INDEX 13
#define PIC_IRT_GPIO_INDEX 14
#define PIC_IRT_HYPER_INDEX 15
#define PIC_IRT_PCIX_INDEX 16
#define PIC_IRT_GMAC0_INDEX 17
#define PIC_IRT_GMAC1_INDEX 18
#define PIC_IRT_GMAC2_INDEX 19
#define PIC_IRT_GMAC3_INDEX 20
#define PIC_IRT_XGS0_INDEX 21
#define PIC_IRT_XGS1_INDEX 22
#define PIC_IRT_HYPER_FATAL_INDEX 23
#define PIC_IRT_PCIX_FATAL_INDEX 24
#define PIC_IRT_BRIDGE_AERR_INDEX 25
#define PIC_IRT_BRIDGE_BERR_INDEX 26
#define PIC_IRT_BRIDGE_TB_INDEX 27
#define PIC_IRT_BRIDGE_AERR_NMI_INDEX 28
/* numbering for XLS */
#define PIC_IRT_BRIDGE_ERR_INDEX 25
#define PIC_IRT_PCIE_LINK0_INDEX 26
#define PIC_IRT_PCIE_LINK1_INDEX 27
#define PIC_IRT_PCIE_LINK2_INDEX 23
#define PIC_IRT_PCIE_LINK3_INDEX 24
#define PIC_IRT_PCIE_INT_INDEX 28
#define PIC_IRT_PCIE_FATAL_INDEX 29
#define PIC_IRT_GPIO_B_INDEX 30
#define PIC_IRT_USB_INDEX 31
#define PIC_NUM_IRTS 32
#define PIC_SYS_TIMER_MAXVAL_0_BASE 0x100
#define PIC_SYS_TIMER_MAXVAL_1_BASE 0x110
#define PIC_SYS_TIMER_0_BASE 0x120
#define PIC_SYS_TIMER_1_BASE 0x130
#define PIC_CLOCK_TIMER 7
#define PIC_CTRL 0x00
#define PIC_IPI 0x04
#define PIC_INT_ACK 0x06
#define WD_MAX_VAL_0 0x08
#define WD_MAX_VAL_1 0x09
#define WD_MASK_0 0x0a
#define WD_MASK_1 0x0b
#define WD_HEARBEAT_0 0x0c
#define WD_HEARBEAT_1 0x0d
#define PIC_IRT_0_BASE 0x40
#define PIC_IRT_1_BASE 0x80
#define PIC_IRT_0_WD (PIC_IRT_0_BASE + PIC_IRT_WD_INDEX)
#define PIC_IRT_1_WD (PIC_IRT_1_BASE + PIC_IRT_WD_INDEX)
#define PIC_IRT_0_TIMER_0 (PIC_IRT_0_BASE + PIC_IRT_TIMER_0_INDEX)
#define PIC_IRT_1_TIMER_0 (PIC_IRT_1_BASE + PIC_IRT_TIMER_0_INDEX)
#define PIC_IRT_0_TIMER_1 (PIC_IRT_0_BASE + PIC_IRT_TIMER_1_INDEX)
#define PIC_IRT_1_TIMER_1 (PIC_IRT_1_BASE + PIC_IRT_TIMER_1_INDEX)
#define PIC_IRT_0_TIMER_2 (PIC_IRT_0_BASE + PIC_IRT_TIMER_2_INDEX)
#define PIC_IRT_1_TIMER_2 (PIC_IRT_1_BASE + PIC_IRT_TIMER_2_INDEX)
#define PIC_IRT_0_TIMER_3 (PIC_IRT_0_BASE + PIC_IRT_TIMER_3_INDEX)
#define PIC_IRT_1_TIMER_3 (PIC_IRT_1_BASE + PIC_IRT_TIMER_3_INDEX)
#define PIC_IRT_0_TIMER_4 (PIC_IRT_0_BASE + PIC_IRT_TIMER_4_INDEX)
#define PIC_IRT_1_TIMER_4 (PIC_IRT_1_BASE + PIC_IRT_TIMER_4_INDEX)
#define PIC_IRT_0_TIMER_5 (PIC_IRT_0_BASE + PIC_IRT_TIMER_5_INDEX)
#define PIC_IRT_1_TIMER_5 (PIC_IRT_1_BASE + PIC_IRT_TIMER_5_INDEX)
#define PIC_IRT_0_TIMER_6 (PIC_IRT_0_BASE + PIC_IRT_TIMER_6_INDEX)
#define PIC_IRT_1_TIMER_6 (PIC_IRT_1_BASE + PIC_IRT_TIMER_6_INDEX)
#define PIC_IRT_0_TIMER_7 (PIC_IRT_0_BASE + PIC_IRT_TIMER_7_INDEX)
#define PIC_IRT_1_TIMER_7 (PIC_IRT_1_BASE + PIC_IRT_TIMER_7_INDEX)
#define PIC_IRT_0_CLOCK (PIC_IRT_0_TIMER_7)
#define PIC_IRT_1_CLOCK (PIC_IRT_1_TIMER_7)
#define PIC_IRT_0_UART_0 (PIC_IRT_0_BASE + PIC_IRT_UART_0_INDEX)
#define PIC_IRT_1_UART_0 (PIC_IRT_1_BASE + PIC_IRT_UART_0_INDEX)
#define PIC_IRT_0_UART_1 (PIC_IRT_0_BASE + PIC_IRT_UART_1_INDEX)
#define PIC_IRT_1_UART_1 (PIC_IRT_1_BASE + PIC_IRT_UART_1_INDEX)
#define PIC_IRT_0_I2C_0 (PIC_IRT_0_BASE + PIC_IRT_I2C_0_INDEX)
#define PIC_IRT_1_I2C_0 (PIC_IRT_1_BASE + PIC_IRT_I2C_0_INDEX)
#define PIC_IRT_0_I2C_1 (PIC_IRT_0_BASE + PIC_IRT_I2C_1_INDEX)
#define PIC_IRT_1_I2C_1 (PIC_IRT_1_BASE + PIC_IRT_I2C_1_INDEX)
#define PIC_IRT_0_HYPER (PIC_IRT_0_BASE + PIC_IRT_HYPER_INDEX)
#define PIC_IRT_1_HYPER (PIC_IRT_1_BASE + PIC_IRT_HYPER_INDEX)
#define PIC_IRT_0_PCIX (PIC_IRT_0_BASE + PIC_IRT_PCIX_INDEX)
#define PIC_IRT_1_PCIX (PIC_IRT_1_BASE + PIC_IRT_PCIX_INDEX)
#define PIC_TIMER_0_MAXVAL_0 (PIC_SYS_TIMER_MAXVAL_0_BASE + 0)
#define PIC_TIMER_0_MAXVAL_1 (PIC_SYS_TIMER_MAXVAL_1_BASE + 0)
#define PIC_TIMER_0_COUNTER_0 (PIC_SYS_TIMER_0_BASE + 0)
#define PIC_TIMER_0_COUNTER_1 (PIC_SYS_TIMER_1_BASE + 0)
#define PIC_TIMER_6_MAXVAL_0 (PIC_SYS_TIMER_MAXVAL_0_BASE + 6)
#define PIC_TIMER_6_MAXVAL_1 (PIC_SYS_TIMER_MAXVAL_1_BASE + 6)
#define PIC_TIMER_6_COUNTER_0 (PIC_SYS_TIMER_0_BASE + 6)
#define PIC_TIMER_6_COUNTER_1 (PIC_SYS_TIMER_1_BASE + 6)
#define PIC_TIMER_7_MAXVAL_0 (PIC_SYS_TIMER_MAXVAL_0_BASE + 7)
#define PIC_TIMER_7_MAXVAL_1 (PIC_SYS_TIMER_MAXVAL_1_BASE + 7)
#define PIC_TIMER_7_COUNTER_0 (PIC_SYS_TIMER_0_BASE + 7)
#define PIC_TIMER_7_COUNTER_1 (PIC_SYS_TIMER_1_BASE + 7)
#define PIC_IRQ_BASE 8
#define PIC_IRT_FIRST_IRQ PIC_IRQ_BASE
#define PIC_WD_IRQ (PIC_IRQ_BASE + PIC_IRT_WD_INDEX)
#define PIC_TIMER_0_IRQ (PIC_IRQ_BASE + PIC_IRT_TIMER_0_INDEX)
#define PIC_TIMER_1_IRQ (PIC_IRQ_BASE + PIC_IRT_TIMER_1_INDEX)
#define PIC_TIMER_2_IRQ (PIC_IRQ_BASE + PIC_IRT_TIMER_2_INDEX)
#define PIC_TIMER_3_IRQ (PIC_IRQ_BASE + PIC_IRT_TIMER_3_INDEX)
#define PIC_TIMER_4_IRQ (PIC_IRQ_BASE + PIC_IRT_TIMER_4_INDEX)
#define PIC_TIMER_5_IRQ (PIC_IRQ_BASE + PIC_IRT_TIMER_5_INDEX)
#define PIC_TIMER_6_IRQ (PIC_IRQ_BASE + PIC_IRT_TIMER_6_INDEX)
#define PIC_TIMER_7_IRQ (PIC_IRQ_BASE + PIC_IRT_TIMER_7_INDEX)
#define PIC_CLOCK_IRQ (PIC_TIMER_7_IRQ)
#define PIC_UART_0_IRQ (PIC_IRQ_BASE + PIC_IRT_UART_0_INDEX)
#define PIC_UART_1_IRQ (PIC_IRQ_BASE + PIC_IRT_UART_1_INDEX)
#define PIC_I2C_0_IRQ (PIC_IRQ_BASE + PIC_IRT_I2C_0_INDEX)
#define PIC_I2C_1_IRQ (PIC_IRQ_BASE + PIC_IRT_I2C_1_INDEX)
#define PIC_PCMCIA_IRQ (PIC_IRQ_BASE + PIC_IRT_PCMCIA_INDEX)
#define PIC_GPIO_IRQ (PIC_IRQ_BASE + PIC_IRT_GPIO_INDEX)
#define PIC_HYPER_IRQ (PIC_IRQ_BASE + PIC_IRT_HYPER_INDEX)
#define PIC_PCIX_IRQ (PIC_IRQ_BASE + PIC_IRT_PCIX_INDEX)
#define PIC_GMAC_0_IRQ (PIC_IRQ_BASE + PIC_IRT_GMAC0_INDEX)
#define PIC_GMAC_1_IRQ (PIC_IRQ_BASE + PIC_IRT_GMAC1_INDEX)
#define PIC_GMAC_2_IRQ (PIC_IRQ_BASE + PIC_IRT_GMAC2_INDEX)
#define PIC_GMAC_3_IRQ (PIC_IRQ_BASE + PIC_IRT_GMAC3_INDEX)
#define PIC_XGS_0_IRQ (PIC_IRQ_BASE + PIC_IRT_XGS0_INDEX)
#define PIC_XGS_1_IRQ (PIC_IRQ_BASE + PIC_IRT_XGS1_INDEX)
#define PIC_HYPER_FATAL_IRQ (PIC_IRQ_BASE + PIC_IRT_HYPER_FATAL_INDEX)
#define PIC_PCIX_FATAL_IRQ (PIC_IRQ_BASE + PIC_IRT_PCIX_FATAL_INDEX)
#define PIC_BRIDGE_AERR_IRQ (PIC_IRQ_BASE + PIC_IRT_BRIDGE_AERR_INDEX)
#define PIC_BRIDGE_BERR_IRQ (PIC_IRQ_BASE + PIC_IRT_BRIDGE_BERR_INDEX)
#define PIC_BRIDGE_TB_IRQ (PIC_IRQ_BASE + PIC_IRT_BRIDGE_TB_INDEX)
#define PIC_BRIDGE_AERR_NMI_IRQ (PIC_IRQ_BASE + PIC_IRT_BRIDGE_AERR_NMI_INDEX)
#define PIC_BRIDGE_ERR_IRQ (PIC_IRQ_BASE + PIC_IRT_BRIDGE_ERR_INDEX)
#define PIC_PCIE_LINK0_IRQ (PIC_IRQ_BASE + PIC_IRT_PCIE_LINK0_INDEX)
#define PIC_PCIE_LINK1_IRQ (PIC_IRQ_BASE + PIC_IRT_PCIE_LINK1_INDEX)
#define PIC_PCIE_LINK2_IRQ (PIC_IRQ_BASE + PIC_IRT_PCIE_LINK2_INDEX)
#define PIC_PCIE_LINK3_IRQ (PIC_IRQ_BASE + PIC_IRT_PCIE_LINK3_INDEX)
#define PIC_PCIE_INT_IRQ (PIC_IRQ_BASE + PIC_IRT_PCIE_INT__INDEX)
#define PIC_PCIE_FATAL_IRQ (PIC_IRQ_BASE + PIC_IRT_PCIE_FATAL_INDEX)
#define PIC_GPIO_B_IRQ (PIC_IRQ_BASE + PIC_IRT_GPIO_B_INDEX)
#define PIC_USB_IRQ (PIC_IRQ_BASE + PIC_IRT_USB_INDEX)
#define PIC_IRT_LAST_IRQ PIC_USB_IRQ
#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) )
extern struct mtx xlr_pic_lock;
static __inline__ __uint32_t
pic_read_control(int haslock)
{
xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_PIC_OFFSET);
__uint32_t reg;
if ((rmi_spin_mutex_safe) && (haslock == 0))
mtx_lock_spin(&xlr_pic_lock);
xlr_read_reg(mmio, PIC_CTRL);
if ((rmi_spin_mutex_safe) && (haslock == 0))
mtx_unlock_spin(&xlr_pic_lock);
return reg;
}
static __inline__ void
pic_write_control(__uint32_t control, int haslock)
{
xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_PIC_OFFSET);
if ((rmi_spin_mutex_safe) && (haslock == 0))
mtx_lock_spin(&xlr_pic_lock);
xlr_write_reg(mmio, PIC_CTRL, control);
if ((rmi_spin_mutex_safe) && (haslock == 0))
mtx_unlock_spin(&xlr_pic_lock);
}
static __inline__ void
pic_update_control(__uint32_t control, int haslock)
{
xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_PIC_OFFSET);
if ((rmi_spin_mutex_safe) && (haslock == 0))
mtx_lock_spin(&xlr_pic_lock);
xlr_write_reg(mmio, PIC_CTRL, (control | xlr_read_reg(mmio, PIC_CTRL)));
if ((rmi_spin_mutex_safe) && (haslock == 0))
mtx_unlock_spin(&xlr_pic_lock);
}
static __inline__ void
pic_ack(int irq, int haslock)
{
xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_PIC_OFFSET);
/* ack the pic, if needed */
if (!PIC_IRQ_IS_IRT(irq))
return;
if (PIC_IRQ_IS_EDGE_TRIGGERED(irq)) {
if ((rmi_spin_mutex_safe) && (haslock == 0))
mtx_lock_spin(&xlr_pic_lock);
xlr_write_reg(mmio, PIC_INT_ACK, (1 << (irq - PIC_IRQ_BASE)));
if ((rmi_spin_mutex_safe) && (haslock == 0))
mtx_unlock_spin(&xlr_pic_lock);
return;
}
return;
}
static inline void
pic_delayed_ack(int irq, int haslock)
{
xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_PIC_OFFSET);
if (!PIC_IRQ_IS_IRT(irq))
return;
if (!PIC_IRQ_IS_EDGE_TRIGGERED(irq)) {
if ((rmi_spin_mutex_safe)&& (haslock == 0))
mtx_lock_spin(&xlr_pic_lock);
xlr_write_reg(mmio, PIC_INT_ACK, (1 << (irq - PIC_IRQ_BASE)));
if ((rmi_spin_mutex_safe) && (haslock == 0))
mtx_unlock_spin(&xlr_pic_lock);
return;
}
}
static inline
void pic_send_ipi(int cpu, int ipi, int haslock)
{
xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_PIC_OFFSET);
int tid, pid;
tid = cpu & 0x3;
pid = (cpu >> 2) & 0x7;
xlr_write_reg(mmio, PIC_IPI, (pid << 20) | (tid << 16) | ipi);
}
#endif /* _RMI_PIC_H_ */
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