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/* * 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 _ASM_NLM_XLR_PIC_H #define _ASM_NLM_XLR_PIC_H #define PIC_CLK_HZ 66666666 #define pic_timer_freq() PIC_CLK_HZ / PIC hardware interrupt numbers / #define PIC_IRT_WD_INDEX 0 #define PIC_IRT_TIMER_0_INDEX 1 #define PIC_IRT_TIMER_INDEX(i) ((i) + PIC_IRT_TIMER_0_INDEX) #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 / XLS / #define PIC_IRT_CDE_INDEX 15 #define PIC_IRT_BRIDGE_TB_XLS_INDEX 16 / XLS / #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_XLR_INDEX 27 #define PIC_IRT_BRIDGE_AERR_NMI_INDEX 28 / XLS / #define PIC_IRT_GMAC4_INDEX 21 #define PIC_IRT_GMAC5_INDEX 22 #define PIC_IRT_GMAC6_INDEX 23 #define PIC_IRT_GMAC7_INDEX 24 #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_XLSB0_LINK2_INDEX 28 #define PIC_IRT_PCIE_XLSB0_LINK3_INDEX 29 #define PIC_IRT_SRIO_LINK0_INDEX 26 #define PIC_IRT_SRIO_LINK1_INDEX 27 #define PIC_IRT_SRIO_LINK2_INDEX 28 #define PIC_IRT_SRIO_LINK3_INDEX 29 #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 / XLS / #define PIC_NUM_IRTS 32 #define PIC_CLOCK_TIMER 7 / PIC Registers / #define PIC_CTRL 0x00 #define PIC_CTRL_STE 8 / timer enable start bit / #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_TIMER_MAXVAL_0_BASE 0x100 #define PIC_TIMER_MAXVAL_1_BASE 0x110 #define PIC_TIMER_COUNT_0_BASE 0x120 #define PIC_TIMER_COUNT_1_BASE 0x130 #define PIC_IRT_0(picintr) (PIC_IRT_0_BASE + (picintr)) #define PIC_IRT_1(picintr) (PIC_IRT_1_BASE + (picintr)) #define PIC_TIMER_MAXVAL_0(i) (PIC_TIMER_MAXVAL_0_BASE + (i)) #define PIC_TIMER_MAXVAL_1(i) (PIC_TIMER_MAXVAL_1_BASE + (i)) #define PIC_TIMER_COUNT_0(i) (PIC_TIMER_COUNT_0_BASE + (i)) #define PIC_TIMER_COUNT_1(i) (PIC_TIMER_COUNT_0_BASE + (i)) / * Mapping between hardware interrupt numbers and IRQs on CPU * we use a simple scheme to map PIC interrupts 0-31 to IRQs * 8-39. This leaves the IRQ 0-7 for cpu interrupts like * count/compare and FMN / #define PIC_IRQ_BASE 8 #define PIC_INTR_TO_IRQ(i) (PIC_IRQ_BASE + (i)) #define PIC_IRQ_TO_INTR(i) ((i) - PIC_IRQ_BASE) #define PIC_IRT_FIRST_IRQ PIC_IRQ_BASE #define PIC_WD_IRQ PIC_INTR_TO_IRQ(PIC_IRT_WD_INDEX) #define PIC_TIMER_0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_0_INDEX) #define PIC_TIMER_1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_1_INDEX) #define PIC_TIMER_2_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_2_INDEX) #define PIC_TIMER_3_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_3_INDEX) #define PIC_TIMER_4_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_4_INDEX) #define PIC_TIMER_5_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_5_INDEX) #define PIC_TIMER_6_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_6_INDEX) #define PIC_TIMER_7_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_7_INDEX) #define PIC_CLOCK_IRQ (PIC_TIMER_7_IRQ) #define PIC_UART_0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_UART_0_INDEX) #define PIC_UART_1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_UART_1_INDEX) #define PIC_I2C_0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_I2C_0_INDEX) #define PIC_I2C_1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_I2C_1_INDEX) #define PIC_PCMCIA_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCMCIA_INDEX) #define PIC_GPIO_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GPIO_INDEX) #define PIC_HYPER_IRQ PIC_INTR_TO_IRQ(PIC_IRT_HYPER_INDEX) #define PIC_PCIX_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIX_INDEX) / XLS / #define PIC_CDE_IRQ PIC_INTR_TO_IRQ(PIC_IRT_CDE_INDEX) #define PIC_BRIDGE_TB_XLS_IRQ PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_TB_XLS_INDEX) / end XLS / #define PIC_GMAC_0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC0_INDEX) #define PIC_GMAC_1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC1_INDEX) #define PIC_GMAC_2_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC2_INDEX) #define PIC_GMAC_3_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC3_INDEX) #define PIC_XGS_0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_XGS0_INDEX) #define PIC_XGS_1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_XGS1_INDEX) #define PIC_HYPER_FATAL_IRQ PIC_INTR_TO_IRQ(PIC_IRT_HYPER_FATAL_INDEX) #define PIC_PCIX_FATAL_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIX_FATAL_INDEX) #define PIC_BRIDGE_AERR_IRQ PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_AERR_INDEX) #define PIC_BRIDGE_BERR_IRQ PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_BERR_INDEX) #define PIC_BRIDGE_TB_XLR_IRQ PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_TB_XLR_INDEX) #define PIC_BRIDGE_AERR_NMI_IRQ PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_AERR_NMI_INDEX) / XLS defines / #define PIC_GMAC_4_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC4_INDEX) #define PIC_GMAC_5_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC5_INDEX) #define PIC_GMAC_6_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC6_INDEX) #define PIC_GMAC_7_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC7_INDEX) #define PIC_BRIDGE_ERR_IRQ PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_ERR_INDEX) #define PIC_PCIE_LINK0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_LINK0_INDEX) #define PIC_PCIE_LINK1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_LINK1_INDEX) #define PIC_PCIE_LINK2_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_LINK2_INDEX) #define PIC_PCIE_LINK3_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_LINK3_INDEX) #define PIC_PCIE_XLSB0_LINK2_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_XLSB0_LINK2_INDEX) #define PIC_PCIE_XLSB0_LINK3_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_XLSB0_LINK3_INDEX) #define PIC_SRIO_LINK0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_SRIO_LINK0_INDEX) #define PIC_SRIO_LINK1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_SRIO_LINK1_INDEX) #define PIC_SRIO_LINK2_IRQ PIC_INTR_TO_IRQ(PIC_IRT_SRIO_LINK2_INDEX) #define PIC_SRIO_LINK3_IRQ PIC_INTR_TO_IRQ(PIC_IRT_SRIO_LINK3_INDEX) #define PIC_PCIE_INT_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_INT__INDEX) #define PIC_PCIE_FATAL_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_FATAL_INDEX) #define PIC_GPIO_B_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GPIO_B_INDEX) #define PIC_USB_IRQ PIC_INTR_TO_IRQ(PIC_IRT_USB_INDEX) #define PIC_IRT_LAST_IRQ PIC_USB_IRQ / end XLS / #ifndef __ASSEMBLY__ #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) { if (PIC_IRQ_IS_IRT(irq) == 0) return -1; return PIC_IRQ_TO_INTR(irq); } static inline int nlm_irt_to_irq(int irt) { return PIC_INTR_TO_IRQ(irt); } static inline void nlm_pic_enable_irt(uint64_t base, int irt) { uint32_t reg; reg = nlm_read_reg(base, PIC_IRT_1(irt)); nlm_write_reg(base, PIC_IRT_1(irt), reg \| (1u << 31)); } static inline void nlm_pic_disable_irt(uint64_t base, int irt) { uint32_t reg; reg = nlm_read_reg(base, PIC_IRT_1(irt)); nlm_write_reg(base, PIC_IRT_1(irt), reg & ~(1u << 31)); } 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, int en) { nlm_write_reg(base, PIC_IRT_0(irt), (1u << hwt)); / local scheduling, invalid, level by default / nlm_write_reg(base, PIC_IRT_1(irt), (en << 30) \| (1 << 6) \| irq); } static inline uint64_t nlm_pic_read_timer(uint64_t base, int timer) { uint32_t up1, up2, low; up1 = nlm_read_reg(base, PIC_TIMER_COUNT_1(timer)); low = nlm_read_reg(base, PIC_TIMER_COUNT_0(timer)); up2 = nlm_read_reg(base, PIC_TIMER_COUNT_1(timer)); if (up1 != up2) / wrapped, get the new low / low = nlm_read_reg(base, PIC_TIMER_COUNT_0(timer)); return ((uint64_t)up2 << 32) \| low; } static inline uint32_t nlm_pic_read_timer32(uint64_t base, int timer) { return nlm_read_reg(base, PIC_TIMER_COUNT_0(timer)); } static inline void nlm_pic_set_timer(uint64_t base, int timer, uint64_t value, int irq, int cpu) { uint32_t up, low; uint64_t pic_ctrl = nlm_read_reg(base, PIC_CTRL); int en; en = (irq > 0); up = value >> 32; low = value & 0xFFFFFFFF; nlm_write_reg(base, PIC_TIMER_MAXVAL_0(timer), low); nlm_write_reg(base, PIC_TIMER_MAXVAL_1(timer), up); nlm_pic_init_irt(base, PIC_IRT_TIMER_INDEX(timer), irq, cpu, 0); / enable the timer / pic_ctrl \|= (1 << (PIC_CTRL_STE + timer)); nlm_write_reg(base, PIC_CTRL, pic_ctrl); } #endif #endif / _ASM_NLM_XLR_PIC_H */

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