/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" #include #include #include #include #include /* lddphys() */ #include #include #include #include #include "px_regs.h" #include "px_csr.h" #include "px_lib4u.h" /* * Registers that need to be saved and restored during suspend/resume. */ /* * Registers in the PEC Module. * LPU_RESET should be set to 0ull during resume */ static uint64_t pec_config_state_regs[] = { PEC_CORE_AND_BLOCK_INTERRUPT_ENABLE, ILU_ERROR_LOG_ENABLE, ILU_INTERRUPT_ENABLE, TLU_CONTROL, TLU_OTHER_EVENT_LOG_ENABLE, TLU_OTHER_EVENT_INTERRUPT_ENABLE, TLU_DEVICE_CONTROL, TLU_LINK_CONTROL, TLU_UNCORRECTABLE_ERROR_LOG_ENABLE, TLU_UNCORRECTABLE_ERROR_INTERRUPT_ENABLE, TLU_CORRECTABLE_ERROR_LOG_ENABLE, TLU_CORRECTABLE_ERROR_INTERRUPT_ENABLE, LPU_LINK_LAYER_INTERRUPT_MASK, LPU_PHY_INTERRUPT_MASK, LPU_RECEIVE_PHY_INTERRUPT_MASK, LPU_TRANSMIT_PHY_INTERRUPT_MASK, LPU_GIGABLAZE_GLUE_INTERRUPT_MASK, LPU_LTSSM_INTERRUPT_MASK, LPU_RESET, LPU_DEBUG_CONFIG, LPU_INTERRUPT_MASK, LPU_LINK_LAYER_CONFIG, LPU_FLOW_CONTROL_UPDATE_CONTROL, LPU_TXLINK_FREQUENT_NAK_LATENCY_TIMER_THRESHOLD, LPU_TXLINK_REPLAY_TIMER_THRESHOLD, LPU_REPLAY_BUFFER_MAX_ADDRESS, LPU_TXLINK_RETRY_FIFO_POINTER, LPU_LTSSM_CONFIG2, LPU_LTSSM_CONFIG3, LPU_LTSSM_CONFIG4, LPU_LTSSM_CONFIG5, DMC_CORE_AND_BLOCK_INTERRUPT_ENABLE, DMC_DEBUG_SELECT_FOR_PORT_A, DMC_DEBUG_SELECT_FOR_PORT_B }; #define PEC_SIZE (sizeof (pec_config_state_regs)) #define PEC_KEYS (PEC_SIZE / sizeof (uint64_t)) /* * Registers for the MMU module. * MMU_TTE_CACHE_INVALIDATE needs to be cleared. (-1ull) */ static uint64_t mmu_config_state_regs[] = { MMU_TSB_CONTROL, MMU_CONTROL_AND_STATUS, MMU_ERROR_LOG_ENABLE, MMU_INTERRUPT_ENABLE }; #define MMU_SIZE (sizeof (mmu_config_state_regs)) #define MMU_KEYS (MMU_SIZE / sizeof (uint64_t)) /* * Registers for the IB Module */ static uint64_t ib_config_state_regs[] = { IMU_ERROR_LOG_ENABLE, IMU_INTERRUPT_ENABLE }; #define IB_SIZE (sizeof (ib_config_state_regs)) #define IB_KEYS (IB_SIZE / sizeof (uint64_t)) #define IB_MAP_SIZE (INTERRUPT_MAPPING_ENTRIES * sizeof (uint64_t)) /* * Registers for the CB module. * JBC_ERROR_STATUS_CLEAR needs to be cleared. (-1ull) */ static uint64_t cb_config_state_regs[] = { JBUS_PARITY_CONTROL, JBC_FATAL_RESET_ENABLE, JBC_CORE_AND_BLOCK_INTERRUPT_ENABLE, JBC_ERROR_LOG_ENABLE, JBC_INTERRUPT_ENABLE }; #define CB_SIZE (sizeof (cb_config_state_regs)) #define CB_KEYS (CB_SIZE / sizeof (uint64_t)) static uint64_t msiq_config_other_regs[] = { ERR_COR_MAPPING, ERR_NONFATAL_MAPPING, ERR_FATAL_MAPPING, PM_PME_MAPPING, PME_TO_ACK_MAPPING, MSI_32_BIT_ADDRESS, MSI_64_BIT_ADDRESS }; #define MSIQ_OTHER_SIZE (sizeof (msiq_config_other_regs)) #define MSIQ_OTHER_KEYS (MSIQ_OTHER_SIZE / sizeof (uint64_t)) #define MSIQ_STATE_SIZE (EVENT_QUEUE_STATE_ENTRIES * sizeof (uint64_t)) #define MSIQ_MAPPING_SIZE (MSI_MAPPING_ENTRIES * sizeof (uint64_t)) static uint64_t msiq_suspend(devhandle_t dev_hdl, pxu_t *pxu_p); static void msiq_resume(devhandle_t dev_hdl, pxu_t *pxu_p); /* * Initialize the module, but do not enable interrupts. */ /* ARGSUSED */ void hvio_cb_init(caddr_t xbc_csr_base, pxu_t *pxu_p) { uint64_t val; /* Check if we need to enable inverted parity */ val = (1ULL << JBUS_PARITY_CONTROL_P_EN); CSR_XS(xbc_csr_base, JBUS_PARITY_CONTROL, val); DBG(DBG_CB, NULL, "hvio_cb_init, JBUS_PARITY_CONTROL: 0x%llx\n", CSR_XR(xbc_csr_base, JBUS_PARITY_CONTROL)); val = (1 << JBC_FATAL_RESET_ENABLE_SPARE_P_INT_EN) | (1 << JBC_FATAL_RESET_ENABLE_MB_PEA_P_INT_EN) | (1 << JBC_FATAL_RESET_ENABLE_CPE_P_INT_EN) | (1 << JBC_FATAL_RESET_ENABLE_APE_P_INT_EN) | (1 << JBC_FATAL_RESET_ENABLE_PIO_CPE_INT_EN) | (1 << JBC_FATAL_RESET_ENABLE_JTCEEW_P_INT_EN) | (1 << JBC_FATAL_RESET_ENABLE_JTCEEI_P_INT_EN) | (1 << JBC_FATAL_RESET_ENABLE_JTCEER_P_INT_EN); CSR_XS(xbc_csr_base, JBC_FATAL_RESET_ENABLE, val); DBG(DBG_CB, NULL, "hvio_cb_init, JBC_FATAL_RESET_ENABLE: 0x%llx\n", CSR_XR(xbc_csr_base, JBC_FATAL_RESET_ENABLE)); /* * Enable merge, jbc and dmc interrupts. */ CSR_XS(xbc_csr_base, JBC_CORE_AND_BLOCK_INTERRUPT_ENABLE, -1ull); DBG(DBG_CB, NULL, "hvio_cb_init, JBC_CORE_AND_BLOCK_INTERRUPT_ENABLE: 0x%llx\n", CSR_XR(xbc_csr_base, JBC_CORE_AND_BLOCK_INTERRUPT_ENABLE)); /* * CSR_V CB's interrupt regs (log, enable, status, clear) */ DBG(DBG_CB, NULL, "hvio_cb_init, JBC_ERROR_LOG_ENABLE: 0x%llx\n", CSR_XR(xbc_csr_base, JBC_ERROR_LOG_ENABLE)); DBG(DBG_CB, NULL, "hvio_cb_init, JBC_INTERRUPT_ENABLE: 0x%llx\n", CSR_XR(xbc_csr_base, JBC_INTERRUPT_ENABLE)); DBG(DBG_CB, NULL, "hvio_cb_init, JBC_INTERRUPT_STATUS: 0x%llx\n", CSR_XR(xbc_csr_base, JBC_INTERRUPT_STATUS)); DBG(DBG_CB, NULL, "hvio_cb_init, JBC_ERROR_STATUS_CLEAR: 0x%llx\n", CSR_XR(xbc_csr_base, JBC_ERROR_STATUS_CLEAR)); } /* * Initialize the module, but do not enable interrupts. */ /* ARGSUSED */ void hvio_ib_init(caddr_t csr_base, pxu_t *pxu_p) { /* * CSR_V IB's interrupt regs (log, enable, status, clear) */ DBG(DBG_IB, NULL, "hvio_ib_init - IMU_ERROR_LOG_ENABLE: 0x%llx\n", CSR_XR(csr_base, IMU_ERROR_LOG_ENABLE)); DBG(DBG_IB, NULL, "hvio_ib_init - IMU_INTERRUPT_ENABLE: 0x%llx\n", CSR_XR(csr_base, IMU_INTERRUPT_ENABLE)); DBG(DBG_IB, NULL, "hvio_ib_init - IMU_INTERRUPT_STATUS: 0x%llx\n", CSR_XR(csr_base, IMU_INTERRUPT_STATUS)); DBG(DBG_IB, NULL, "hvio_ib_init - IMU_ERROR_STATUS_CLEAR: 0x%llx\n", CSR_XR(csr_base, IMU_ERROR_STATUS_CLEAR)); } /* * Initialize the module, but do not enable interrupts. */ /* ARGSUSED */ static void ilu_init(caddr_t csr_base, pxu_t *pxu_p) { /* * CSR_V ILU's interrupt regs (log, enable, status, clear) */ DBG(DBG_ILU, NULL, "ilu_init - ILU_ERROR_LOG_ENABLE: 0x%llx\n", CSR_XR(csr_base, ILU_ERROR_LOG_ENABLE)); DBG(DBG_ILU, NULL, "ilu_init - ILU_INTERRUPT_ENABLE: 0x%llx\n", CSR_XR(csr_base, ILU_INTERRUPT_ENABLE)); DBG(DBG_ILU, NULL, "ilu_init - ILU_INTERRUPT_STATUS: 0x%llx\n", CSR_XR(csr_base, ILU_INTERRUPT_STATUS)); DBG(DBG_ILU, NULL, "ilu_init - ILU_ERROR_STATUS_CLEAR: 0x%llx\n", CSR_XR(csr_base, ILU_ERROR_STATUS_CLEAR)); } /* * Initialize the module, but do not enable interrupts. */ /* ARGSUSED */ static void tlu_init(caddr_t csr_base, pxu_t *pxu_p) { uint64_t val; /* * CSR_V TLU_CONTROL Expect OBP ??? */ /* * L0s entry default timer value - 7.0 us * Completion timeout select default value - 67.1 ms and * OBP will set this value. * * Configuration - Bit 0 should always be 0 for upstream port. * Bit 1 is clock - how is this related to the clock bit in TLU * Link Control register? Both are hardware dependent and likely * set by OBP. * * Disable non-posted write bit - ordering by setting * NPWR_EN bit to force serialization of writes. */ val = CSR_XR(csr_base, TLU_CONTROL); val |= (TLU_CONTROL_L0S_TIM_DEFAULT << TLU_CONTROL_L0S_TIM) | (1ull << TLU_CONTROL_NPWR_EN) | TLU_CONTROL_CONFIG_DEFAULT; /* * Set Detect.Quiet. This will disable automatic link * re-training, if the link goes down e.g. power management * turns off power to the downstream device. This will enable * Fire to go to Drain state, after link down. The drain state * forces a reset to the FC state machine, which is required for * proper link re-training. */ val |= (1ull << TLU_REMAIN_DETECT_QUIET); CSR_XS(csr_base, TLU_CONTROL, val); DBG(DBG_TLU, NULL, "tlu_init - TLU_CONTROL: 0x%llx\n", CSR_XR(csr_base, TLU_CONTROL)); /* * CSR_V TLU_STATUS Expect HW 0x4 */ /* * Only bit [7:0] are currently defined. Bits [2:0] * are the state, which should likely be in state active, * 100b. Bit three is 'recovery', which is not understood. * All other bits are reserved. */ DBG(DBG_TLU, NULL, "tlu_init - TLU_STATUS: 0x%llx\n", CSR_XR(csr_base, TLU_STATUS)); /* * CSR_V TLU_PME_TURN_OFF_GENERATE Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_PME_TURN_OFF_GENERATE: 0x%llx\n", CSR_XR(csr_base, TLU_PME_TURN_OFF_GENERATE)); /* * CSR_V TLU_INGRESS_CREDITS_INITIAL Expect HW 0x10000200C0 */ /* * Ingress credits initial register. Bits [39:32] should be * 0x10, bits [19:12] should be 0x20, and bits [11:0] should * be 0xC0. These are the reset values, and should be set by * HW. */ DBG(DBG_TLU, NULL, "tlu_init - TLU_INGRESS_CREDITS_INITIAL: 0x%llx\n", CSR_XR(csr_base, TLU_INGRESS_CREDITS_INITIAL)); /* * CSR_V TLU_DIAGNOSTIC Expect HW 0x0 */ /* * Diagnostic register - always zero unless we are debugging. */ DBG(DBG_TLU, NULL, "tlu_init - TLU_DIAGNOSTIC: 0x%llx\n", CSR_XR(csr_base, TLU_DIAGNOSTIC)); /* * CSR_V TLU_EGRESS_CREDITS_CONSUMED Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_EGRESS_CREDITS_CONSUMED: 0x%llx\n", CSR_XR(csr_base, TLU_EGRESS_CREDITS_CONSUMED)); /* * CSR_V TLU_EGRESS_CREDIT_LIMIT Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_EGRESS_CREDIT_LIMIT: 0x%llx\n", CSR_XR(csr_base, TLU_EGRESS_CREDIT_LIMIT)); /* * CSR_V TLU_EGRESS_RETRY_BUFFER Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_EGRESS_RETRY_BUFFER: 0x%llx\n", CSR_XR(csr_base, TLU_EGRESS_RETRY_BUFFER)); /* * CSR_V TLU_INGRESS_CREDITS_ALLOCATED Expected HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_INGRESS_CREDITS_ALLOCATED: 0x%llx\n", CSR_XR(csr_base, TLU_INGRESS_CREDITS_ALLOCATED)); /* * CSR_V TLU_INGRESS_CREDITS_RECEIVED Expected HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_INGRESS_CREDITS_RECEIVED: 0x%llx\n", CSR_XR(csr_base, TLU_INGRESS_CREDITS_RECEIVED)); /* * CSR_V TLU's interrupt regs (log, enable, status, clear) */ DBG(DBG_TLU, NULL, "tlu_init - TLU_OTHER_EVENT_LOG_ENABLE: 0x%llx\n", CSR_XR(csr_base, TLU_OTHER_EVENT_LOG_ENABLE)); DBG(DBG_TLU, NULL, "tlu_init - TLU_OTHER_EVENT_INTERRUPT_ENABLE: 0x%llx\n", CSR_XR(csr_base, TLU_OTHER_EVENT_INTERRUPT_ENABLE)); DBG(DBG_TLU, NULL, "tlu_init - TLU_OTHER_EVENT_INTERRUPT_STATUS: 0x%llx\n", CSR_XR(csr_base, TLU_OTHER_EVENT_INTERRUPT_STATUS)); DBG(DBG_TLU, NULL, "tlu_init - TLU_OTHER_EVENT_STATUS_CLEAR: 0x%llx\n", CSR_XR(csr_base, TLU_OTHER_EVENT_STATUS_CLEAR)); /* * CSR_V TLU_RECEIVE_OTHER_EVENT_HEADER1_LOG Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_RECEIVE_OTHER_EVENT_HEADER1_LOG: 0x%llx\n", CSR_XR(csr_base, TLU_RECEIVE_OTHER_EVENT_HEADER1_LOG)); /* * CSR_V TLU_RECEIVE_OTHER_EVENT_HEADER2_LOG Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_RECEIVE_OTHER_EVENT_HEADER2_LOG: 0x%llx\n", CSR_XR(csr_base, TLU_RECEIVE_OTHER_EVENT_HEADER2_LOG)); /* * CSR_V TLU_TRANSMIT_OTHER_EVENT_HEADER1_LOG Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_TRANSMIT_OTHER_EVENT_HEADER1_LOG: 0x%llx\n", CSR_XR(csr_base, TLU_TRANSMIT_OTHER_EVENT_HEADER1_LOG)); /* * CSR_V TLU_TRANSMIT_OTHER_EVENT_HEADER2_LOG Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_TRANSMIT_OTHER_EVENT_HEADER2_LOG: 0x%llx\n", CSR_XR(csr_base, TLU_TRANSMIT_OTHER_EVENT_HEADER2_LOG)); /* * CSR_V TLU_PERFORMANCE_COUNTER_SELECT Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_PERFORMANCE_COUNTER_SELECT: 0x%llx\n", CSR_XR(csr_base, TLU_PERFORMANCE_COUNTER_SELECT)); /* * CSR_V TLU_PERFORMANCE_COUNTER_ZERO Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_PERFORMANCE_COUNTER_ZERO: 0x%llx\n", CSR_XR(csr_base, TLU_PERFORMANCE_COUNTER_ZERO)); /* * CSR_V TLU_PERFORMANCE_COUNTER_ONE Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_PERFORMANCE_COUNTER_ONE: 0x%llx\n", CSR_XR(csr_base, TLU_PERFORMANCE_COUNTER_ONE)); /* * CSR_V TLU_PERFORMANCE_COUNTER_TWO Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_PERFORMANCE_COUNTER_TWO: 0x%llx\n", CSR_XR(csr_base, TLU_PERFORMANCE_COUNTER_TWO)); /* * CSR_V TLU_DEBUG_SELECT_A Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_DEBUG_SELECT_A: 0x%llx\n", CSR_XR(csr_base, TLU_DEBUG_SELECT_A)); /* * CSR_V TLU_DEBUG_SELECT_B Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_DEBUG_SELECT_B: 0x%llx\n", CSR_XR(csr_base, TLU_DEBUG_SELECT_B)); /* * CSR_V TLU_DEVICE_CAPABILITIES Expect HW 0xFC2 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_DEVICE_CAPABILITIES: 0x%llx\n", CSR_XR(csr_base, TLU_DEVICE_CAPABILITIES)); /* * CSR_V TLU_DEVICE_CONTROL Expect HW 0x0 */ /* * Bits [14:12] are the Max Read Request Size, which is always 64 * bytes which is 000b. Bits [7:5] are Max Payload Size, which * start at 128 bytes which is 000b. This may be revisited if * init_child finds greater values. */ val = 0x0ull; CSR_XS(csr_base, TLU_DEVICE_CONTROL, val); DBG(DBG_TLU, NULL, "tlu_init - TLU_DEVICE_CONTROL: 0x%llx\n", CSR_XR(csr_base, TLU_DEVICE_CONTROL)); /* * CSR_V TLU_DEVICE_STATUS Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_DEVICE_STATUS: 0x%llx\n", CSR_XR(csr_base, TLU_DEVICE_STATUS)); /* * CSR_V TLU_LINK_CAPABILITIES Expect HW 0x15C81 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_LINK_CAPABILITIES: 0x%llx\n", CSR_XR(csr_base, TLU_LINK_CAPABILITIES)); /* * CSR_V TLU_LINK_CONTROL Expect OBP 0x40 */ /* * The CLOCK bit should be set by OBP if the hardware dictates, * and if it is set then ASPM should be used since then L0s exit * latency should be lower than L1 exit latency. * * Note that we will not enable power management during bringup * since it has not been test and is creating some problems in * simulation. */ val = (1ull << TLU_LINK_CONTROL_CLOCK); CSR_XS(csr_base, TLU_LINK_CONTROL, val); DBG(DBG_TLU, NULL, "tlu_init - TLU_LINK_CONTROL: 0x%llx\n", CSR_XR(csr_base, TLU_LINK_CONTROL)); /* * CSR_V TLU_LINK_STATUS Expect OBP 0x1011 */ /* * Not sure if HW or OBP will be setting this read only * register. Bit 12 is Clock, and it should always be 1 * signifying that the component uses the same physical * clock as the platform. Bits [9:4] are for the width, * with the expected value above signifying a x1 width. * Bits [3:0] are the speed, with 1b signifying 2.5 Gb/s, * the only speed as yet supported by the PCI-E spec. */ DBG(DBG_TLU, NULL, "tlu_init - TLU_LINK_STATUS: 0x%llx\n", CSR_XR(csr_base, TLU_LINK_STATUS)); /* * CSR_V TLU_SLOT_CAPABILITIES Expect OBP ??? */ /* * Power Limits for the slots. Will be platform * dependent, and OBP will need to set after consulting * with the HW guys. * * Bits [16:15] are power limit scale, which most likely * will be 0b signifying 1x. Bits [14:7] are the Set * Power Limit Value, which is a number which is multiplied * by the power limit scale to get the actual power limit. */ DBG(DBG_TLU, NULL, "tlu_init - TLU_SLOT_CAPABILITIES: 0x%llx\n", CSR_XR(csr_base, TLU_SLOT_CAPABILITIES)); /* * CSR_V TLU_UNCORRECTABLE_ERROR_LOG_ENABLE Expect Kernel 0x17F011 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_UNCORRECTABLE_ERROR_LOG_ENABLE: 0x%llx\n", CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_LOG_ENABLE)); /* * CSR_V TLU_UNCORRECTABLE_ERROR_INTERRUPT_ENABLE Expect * Kernel 0x17F0110017F011 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_UNCORRECTABLE_ERROR_INTERRUPT_ENABLE: 0x%llx\n", CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_INTERRUPT_ENABLE)); /* * CSR_V TLU_UNCORRECTABLE_ERROR_INTERRUPT_STATUS Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_UNCORRECTABLE_ERROR_INTERRUPT_STATUS: 0x%llx\n", CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_INTERRUPT_STATUS)); /* * CSR_V TLU_UNCORRECTABLE_ERROR_STATUS_CLEAR Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_UNCORRECTABLE_ERROR_STATUS_CLEAR: 0x%llx\n", CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_STATUS_CLEAR)); /* * CSR_V TLU_RECEIVE_UNCORRECTABLE_ERROR_HEADER1_LOG HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_RECEIVE_UNCORRECTABLE_ERROR_HEADER1_LOG: 0x%llx\n", CSR_XR(csr_base, TLU_RECEIVE_UNCORRECTABLE_ERROR_HEADER1_LOG)); /* * CSR_V TLU_RECEIVE_UNCORRECTABLE_ERROR_HEADER2_LOG HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_RECEIVE_UNCORRECTABLE_ERROR_HEADER2_LOG: 0x%llx\n", CSR_XR(csr_base, TLU_RECEIVE_UNCORRECTABLE_ERROR_HEADER2_LOG)); /* * CSR_V TLU_TRANSMIT_UNCORRECTABLE_ERROR_HEADER1_LOG HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_TRANSMIT_UNCORRECTABLE_ERROR_HEADER1_LOG: 0x%llx\n", CSR_XR(csr_base, TLU_TRANSMIT_UNCORRECTABLE_ERROR_HEADER1_LOG)); /* * CSR_V TLU_TRANSMIT_UNCORRECTABLE_ERROR_HEADER2_LOG HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_TRANSMIT_UNCORRECTABLE_ERROR_HEADER2_LOG: 0x%llx\n", CSR_XR(csr_base, TLU_TRANSMIT_UNCORRECTABLE_ERROR_HEADER2_LOG)); /* * CSR_V TLU's CE interrupt regs (log, enable, status, clear) * Plus header logs */ /* * CSR_V TLU_CORRECTABLE_ERROR_LOG_ENABLE Expect Kernel 0x11C1 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_CORRECTABLE_ERROR_LOG_ENABLE: 0x%llx\n", CSR_XR(csr_base, TLU_CORRECTABLE_ERROR_LOG_ENABLE)); /* * CSR_V TLU_CORRECTABLE_ERROR_INTERRUPT_ENABLE Kernel 0x11C1000011C1 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_CORRECTABLE_ERROR_INTERRUPT_ENABLE: 0x%llx\n", CSR_XR(csr_base, TLU_CORRECTABLE_ERROR_INTERRUPT_ENABLE)); /* * CSR_V TLU_CORRECTABLE_ERROR_INTERRUPT_STATUS Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_CORRECTABLE_ERROR_INTERRUPT_STATUS: 0x%llx\n", CSR_XR(csr_base, TLU_CORRECTABLE_ERROR_INTERRUPT_STATUS)); /* * CSR_V TLU_CORRECTABLE_ERROR_STATUS_CLEAR Expect HW 0x0 */ DBG(DBG_TLU, NULL, "tlu_init - TLU_CORRECTABLE_ERROR_STATUS_CLEAR: 0x%llx\n", CSR_XR(csr_base, TLU_CORRECTABLE_ERROR_STATUS_CLEAR)); } /* ARGSUSED */ static void lpu_init(caddr_t csr_base, pxu_t *pxu_p) { /* Variables used to set the ACKNAK Latency Timer and Replay Timer */ int link_width, max_payload; uint64_t val; /* * ACKNAK Latency Threshold Table. * See Fire PRM 2.0 section 1.2.12.2, table 1-17. */ int acknak_timer_table[LINK_MAX_PKT_ARR_SIZE][LINK_WIDTH_ARR_SIZE] = { {0xED, 0x49, 0x43, 0x30}, {0x1A0, 0x76, 0x6B, 0x48}, {0x22F, 0x9A, 0x56, 0x56}, {0x42F, 0x11A, 0x96, 0x96}, {0x82F, 0x21A, 0x116, 0x116}, {0x102F, 0x41A, 0x216, 0x216} }; /* * TxLink Replay Timer Latency Table * See Fire PRM 2.0 sections 1.2.12.3, table 1-18. */ int replay_timer_table[LINK_MAX_PKT_ARR_SIZE][LINK_WIDTH_ARR_SIZE] = { {0x379, 0x112, 0xFC, 0xB4}, {0x618, 0x1BA, 0x192, 0x10E}, {0x831, 0x242, 0x143, 0x143}, {0xFB1, 0x422, 0x233, 0x233}, {0x1EB0, 0x7E1, 0x412, 0x412}, {0x3CB0, 0xF61, 0x7D2, 0x7D2} }; /* * Get the Link Width. See table above LINK_WIDTH_ARR_SIZE #define * Only Link Widths of x1, x4, and x8 are supported. * If any width is reported other than x8, set default to x8. */ link_width = CSR_FR(csr_base, TLU_LINK_STATUS, WIDTH); DBG(DBG_LPU, NULL, "lpu_init - Link Width: x%d\n", link_width); /* * Convert link_width to match timer array configuration. */ switch (link_width) { case 1: link_width = 0; break; case 4: link_width = 1; break; case 8: link_width = 2; break; case 16: link_width = 3; break; default: link_width = 0; } /* * Get the Max Payload Size. * See table above LINK_MAX_PKT_ARR_SIZE #define */ max_payload = ((CSR_FR(csr_base, TLU_CONTROL, CONFIG) & TLU_CONTROL_MPS_MASK) >> TLU_CONTROL_MPS_SHIFT); DBG(DBG_LPU, NULL, "lpu_init - May Payload: %d\n", (0x80 << max_payload)); /* Make sure the packet size is not greater than 4096 */ max_payload = (max_payload >= LINK_MAX_PKT_ARR_SIZE) ? (LINK_MAX_PKT_ARR_SIZE - 1) : max_payload; /* * CSR_V LPU_ID Expect HW 0x0 */ /* * This register has link id, phy id and gigablaze id. * Should be set by HW. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_ID: 0x%llx\n", CSR_XR(csr_base, LPU_ID)); /* * CSR_V LPU_RESET Expect Kernel 0x0 */ /* * No reason to have any reset bits high until an error is * detected on the link. */ val = 0ull; CSR_XS(csr_base, LPU_RESET, val); DBG(DBG_LPU, NULL, "lpu_init - LPU_RESET: 0x%llx\n", CSR_XR(csr_base, LPU_RESET)); /* * CSR_V LPU_DEBUG_STATUS Expect HW 0x0 */ /* * Bits [15:8] are Debug B, and bit [7:0] are Debug A. * They are read-only. What do the 8 bits mean, and * how do they get set if they are read only? */ DBG(DBG_LPU, NULL, "lpu_init - LPU_DEBUG_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_DEBUG_STATUS)); /* * CSR_V LPU_DEBUG_CONFIG Expect Kernel 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_DEBUG_CONFIG: 0x%llx\n", CSR_XR(csr_base, LPU_DEBUG_CONFIG)); /* * CSR_V LPU_LTSSM_CONTROL Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LTSSM_CONTROL: 0x%llx\n", CSR_XR(csr_base, LPU_LTSSM_CONTROL)); /* * CSR_V LPU_LINK_STATUS Expect HW 0x101 */ /* * This register has bits [9:4] for link width, and the * default 0x10, means a width of x16. The problem is * this width is not supported according to the TLU * link status register. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LINK_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_STATUS)); /* * CSR_V LPU_INTERRUPT_STATUS Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_INTERRUPT_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_INTERRUPT_STATUS)); /* * CSR_V LPU_INTERRUPT_MASK Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_INTERRUPT_MASK: 0x%llx\n", CSR_XR(csr_base, LPU_INTERRUPT_MASK)); /* * CSR_V LPU_LINK_PERFORMANCE_COUNTER_SELECT Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LINK_PERFORMANCE_COUNTER_SELECT: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_PERFORMANCE_COUNTER_SELECT)); /* * CSR_V LPU_LINK_PERFORMANCE_COUNTER_CONTROL Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LINK_PERFORMANCE_COUNTER_CONTROL: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_PERFORMANCE_COUNTER_CONTROL)); /* * CSR_V LPU_LINK_PERFORMANCE_COUNTER1 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LINK_PERFORMANCE_COUNTER1: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_PERFORMANCE_COUNTER1)); /* * CSR_V LPU_LINK_PERFORMANCE_COUNTER1_TEST Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LINK_PERFORMANCE_COUNTER1_TEST: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_PERFORMANCE_COUNTER1_TEST)); /* * CSR_V LPU_LINK_PERFORMANCE_COUNTER2 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LINK_PERFORMANCE_COUNTER2: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_PERFORMANCE_COUNTER2)); /* * CSR_V LPU_LINK_PERFORMANCE_COUNTER2_TEST Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LINK_PERFORMANCE_COUNTER2_TEST: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_PERFORMANCE_COUNTER2_TEST)); /* * CSR_V LPU_LINK_LAYER_CONFIG Expect HW 0x100 */ /* * This is another place where Max Payload can be set, * this time for the link layer. It will be set to * 128B, which is the default, but this will need to * be revisited. */ val = (1ull << LPU_LINK_LAYER_CONFIG_VC0_EN); CSR_XS(csr_base, LPU_LINK_LAYER_CONFIG, val); DBG(DBG_LPU, NULL, "lpu_init - LPU_LINK_LAYER_CONFIG: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_LAYER_CONFIG)); /* * CSR_V LPU_LINK_LAYER_STATUS Expect OBP 0x5 */ /* * Another R/W status register. Bit 3, DL up Status, will * be set high. The link state machine status bits [2:0] * are set to 0x1, but the status bits are not defined in the * PRM. What does 0x1 mean, what others values are possible * and what are thier meanings? * * This register has been giving us problems in simulation. * It has been mentioned that software should not program * any registers with WE bits except during debug. So * this register will no longer be programmed. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LINK_LAYER_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_LAYER_STATUS)); /* * CSR_V LPU_LINK_LAYER_INTERRUPT_AND_STATUS_TEST Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LINK_LAYER_INTERRUPT_AND_STATUS_TEST: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_LAYER_INTERRUPT_AND_STATUS_TEST)); /* * CSR_V LPU Link Layer interrupt regs (mask, status) */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LINK_LAYER_INTERRUPT_MASK: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_LAYER_INTERRUPT_MASK)); DBG(DBG_LPU, NULL, "lpu_init - LPU_LINK_LAYER_INTERRUPT_AND_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_LAYER_INTERRUPT_AND_STATUS)); /* * CSR_V LPU_FLOW_CONTROL_UPDATE_CONTROL Expect OBP 0x7 */ /* * The PRM says that only the first two bits will be set * high by default, which will enable flow control for * posted and non-posted updates, but NOT completetion * updates. */ val = (1ull << LPU_FLOW_CONTROL_UPDATE_CONTROL_FC0_U_NP_EN) | (1ull << LPU_FLOW_CONTROL_UPDATE_CONTROL_FC0_U_P_EN); CSR_XS(csr_base, LPU_FLOW_CONTROL_UPDATE_CONTROL, val); DBG(DBG_LPU, NULL, "lpu_init - LPU_FLOW_CONTROL_UPDATE_CONTROL: 0x%llx\n", CSR_XR(csr_base, LPU_FLOW_CONTROL_UPDATE_CONTROL)); /* * CSR_V LPU_LINK_LAYER_FLOW_CONTROL_UPDATE_TIMEOUT_VALUE * Expect OBP 0x1D4C */ /* * This should be set by OBP. We'll check to make sure. */ DBG(DBG_LPU, NULL, "lpu_init - " "LPU_LINK_LAYER_FLOW_CONTROL_UPDATE_TIMEOUT_VALUE: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_LAYER_FLOW_CONTROL_UPDATE_TIMEOUT_VALUE)); /* * CSR_V LPU_LINK_LAYER_VC0_FLOW_CONTROL_UPDATE_TIMER0 Expect OBP ??? */ /* * This register has Flow Control Update Timer values for * non-posted and posted requests, bits [30:16] and bits * [14:0], respectively. These are read-only to SW so * either HW or OBP needs to set them. */ DBG(DBG_LPU, NULL, "lpu_init - " "LPU_LINK_LAYER_VC0_FLOW_CONTROL_UPDATE_TIMER0: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_LAYER_VC0_FLOW_CONTROL_UPDATE_TIMER0)); /* * CSR_V LPU_LINK_LAYER_VC0_FLOW_CONTROL_UPDATE_TIMER1 Expect OBP ??? */ /* * Same as timer0 register above, except for bits [14:0] * have the timer values for completetions. Read-only to * SW; OBP or HW need to set it. */ DBG(DBG_LPU, NULL, "lpu_init - " "LPU_LINK_LAYER_VC0_FLOW_CONTROL_UPDATE_TIMER1: 0x%llx\n", CSR_XR(csr_base, LPU_LINK_LAYER_VC0_FLOW_CONTROL_UPDATE_TIMER1)); /* * CSR_V LPU_TXLINK_FREQUENT_NAK_LATENCY_TIMER_THRESHOLD */ val = acknak_timer_table[max_payload][link_width]; CSR_XS(csr_base, LPU_TXLINK_FREQUENT_NAK_LATENCY_TIMER_THRESHOLD, val); DBG(DBG_LPU, NULL, "lpu_init - " "LPU_TXLINK_FREQUENT_NAK_LATENCY_TIMER_THRESHOLD: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_FREQUENT_NAK_LATENCY_TIMER_THRESHOLD)); /* * CSR_V LPU_TXLINK_ACKNAK_LATENCY_TIMER Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_ACKNAK_LATENCY_TIMER: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_ACKNAK_LATENCY_TIMER)); /* * CSR_V LPU_TXLINK_REPLAY_TIMER_THRESHOLD */ val = replay_timer_table[max_payload][link_width]; CSR_XS(csr_base, LPU_TXLINK_REPLAY_TIMER_THRESHOLD, val); DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_REPLAY_TIMER_THRESHOLD: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_REPLAY_TIMER_THRESHOLD)); /* * CSR_V LPU_TXLINK_REPLAY_TIMER Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_REPLAY_TIMER: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_REPLAY_TIMER)); /* * CSR_V LPU_TXLINK_REPLAY_NUMBER_STATUS Expect OBP 0x3 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_REPLAY_NUMBER_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_REPLAY_NUMBER_STATUS)); /* * CSR_V LPU_REPLAY_BUFFER_MAX_ADDRESS Expect OBP 0xB3F */ DBG(DBG_LPU, NULL, "lpu_init - LPU_REPLAY_BUFFER_MAX_ADDRESS: 0x%llx\n", CSR_XR(csr_base, LPU_REPLAY_BUFFER_MAX_ADDRESS)); /* * CSR_V LPU_TXLINK_RETRY_FIFO_POINTER Expect OBP 0xFFFF0000 */ val = ((LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_TLPTR_DEFAULT << LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_TLPTR) | (LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_HDPTR_DEFAULT << LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_HDPTR)); CSR_XS(csr_base, LPU_TXLINK_RETRY_FIFO_POINTER, val); DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_RETRY_FIFO_POINTER: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_RETRY_FIFO_POINTER)); /* * CSR_V LPU_TXLINK_RETRY_FIFO_R_W_POINTER Expect OBP 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_RETRY_FIFO_R_W_POINTER: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_RETRY_FIFO_R_W_POINTER)); /* * CSR_V LPU_TXLINK_RETRY_FIFO_CREDIT Expect HW 0x1580 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_RETRY_FIFO_CREDIT: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_RETRY_FIFO_CREDIT)); /* * CSR_V LPU_TXLINK_SEQUENCE_COUNTER Expect OBP 0xFFF0000 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_SEQUENCE_COUNTER: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_SEQUENCE_COUNTER)); /* * CSR_V LPU_TXLINK_ACK_SENT_SEQUENCE_NUMBER Expect HW 0xFFF */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_ACK_SENT_SEQUENCE_NUMBER: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_ACK_SENT_SEQUENCE_NUMBER)); /* * CSR_V LPU_TXLINK_SEQUENCE_COUNT_FIFO_MAX_ADDR Expect OBP 0x157 */ /* * Test only register. Will not be programmed. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_SEQUENCE_COUNT_FIFO_MAX_ADDR: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_SEQUENCE_COUNT_FIFO_MAX_ADDR)); /* * CSR_V LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS Expect HW 0xFFF0000 */ /* * Test only register. Will not be programmed. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS)); /* * CSR_V LPU_TXLINK_SEQUENCE_COUNT_R_W_POINTERS Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_SEQUENCE_COUNT_R_W_POINTERS: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_SEQUENCE_COUNT_R_W_POINTERS)); /* * CSR_V LPU_TXLINK_TEST_CONTROL Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_TEST_CONTROL: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_TEST_CONTROL)); /* * CSR_V LPU_TXLINK_MEMORY_ADDRESS_CONTROL Expect HW 0x0 */ /* * Test only register. Will not be programmed. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_MEMORY_ADDRESS_CONTROL: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_MEMORY_ADDRESS_CONTROL)); /* * CSR_V LPU_TXLINK_MEMORY_DATA_LOAD0 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_MEMORY_DATA_LOAD0: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_MEMORY_DATA_LOAD0)); /* * CSR_V LPU_TXLINK_MEMORY_DATA_LOAD1 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_MEMORY_DATA_LOAD1: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_MEMORY_DATA_LOAD1)); /* * CSR_V LPU_TXLINK_MEMORY_DATA_LOAD2 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_MEMORY_DATA_LOAD2: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_MEMORY_DATA_LOAD2)); /* * CSR_V LPU_TXLINK_MEMORY_DATA_LOAD3 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_MEMORY_DATA_LOAD3: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_MEMORY_DATA_LOAD3)); /* * CSR_V LPU_TXLINK_MEMORY_DATA_LOAD4 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_MEMORY_DATA_LOAD4: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_MEMORY_DATA_LOAD4)); /* * CSR_V LPU_TXLINK_RETRY_DATA_COUNT Expect HW 0x0 */ /* * Test only register. Will not be programmed. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_RETRY_DATA_COUNT: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_RETRY_DATA_COUNT)); /* * CSR_V LPU_TXLINK_SEQUENCE_BUFFER_COUNT Expect HW 0x0 */ /* * Test only register. Will not be programmed. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_SEQUENCE_BUFFER_COUNT: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_SEQUENCE_BUFFER_COUNT)); /* * CSR_V LPU_TXLINK_SEQUENCE_BUFFER_BOTTOM_DATA Expect HW 0x0 */ /* * Test only register. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TXLINK_SEQUENCE_BUFFER_BOTTOM_DATA: 0x%llx\n", CSR_XR(csr_base, LPU_TXLINK_SEQUENCE_BUFFER_BOTTOM_DATA)); /* * CSR_V LPU_RXLINK_NEXT_RECEIVE_SEQUENCE_1_COUNTER Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - " "LPU_RXLINK_NEXT_RECEIVE_SEQUENCE_1_COUNTER: 0x%llx\n", CSR_XR(csr_base, LPU_RXLINK_NEXT_RECEIVE_SEQUENCE_1_COUNTER)); /* * CSR_V LPU_RXLINK_UNSUPPORTED_DLLP_RECEIVED Expect HW 0x0 */ /* * test only register. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_RXLINK_UNSUPPORTED_DLLP_RECEIVED: 0x%llx\n", CSR_XR(csr_base, LPU_RXLINK_UNSUPPORTED_DLLP_RECEIVED)); /* * CSR_V LPU_RXLINK_TEST_CONTROL Expect HW 0x0 */ /* * test only register. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_RXLINK_TEST_CONTROL: 0x%llx\n", CSR_XR(csr_base, LPU_RXLINK_TEST_CONTROL)); /* * CSR_V LPU_PHYSICAL_LAYER_CONFIGURATION Expect HW 0x10 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_PHYSICAL_LAYER_CONFIGURATION: 0x%llx\n", CSR_XR(csr_base, LPU_PHYSICAL_LAYER_CONFIGURATION)); /* * CSR_V LPU_PHY_LAYER_STATUS Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_PHY_LAYER_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_PHY_LAYER_STATUS)); /* * CSR_V LPU_PHY_INTERRUPT_AND_STATUS_TEST Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_PHY_INTERRUPT_AND_STATUS_TEST: 0x%llx\n", CSR_XR(csr_base, LPU_PHY_INTERRUPT_AND_STATUS_TEST)); /* * CSR_V LPU PHY LAYER interrupt regs (mask, status) */ DBG(DBG_LPU, NULL, "lpu_init - LPU_PHY_INTERRUPT_MASK: 0x%llx\n", CSR_XR(csr_base, LPU_PHY_INTERRUPT_MASK)); DBG(DBG_LPU, NULL, "lpu_init - LPU_PHY_LAYER_INTERRUPT_AND_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_PHY_LAYER_INTERRUPT_AND_STATUS)); /* * CSR_V LPU_RECEIVE_PHY_CONFIG Expect HW 0x0 */ /* * This also needs some explanation. What is the best value * for the water mark? Test mode enables which test mode? * Programming model needed for the Receiver Reset Lane N * bits. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_RECEIVE_PHY_CONFIG: 0x%llx\n", CSR_XR(csr_base, LPU_RECEIVE_PHY_CONFIG)); /* * CSR_V LPU_RECEIVE_PHY_STATUS1 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_RECEIVE_PHY_STATUS1: 0x%llx\n", CSR_XR(csr_base, LPU_RECEIVE_PHY_STATUS1)); /* * CSR_V LPU_RECEIVE_PHY_STATUS2 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_RECEIVE_PHY_STATUS2: 0x%llx\n", CSR_XR(csr_base, LPU_RECEIVE_PHY_STATUS2)); /* * CSR_V LPU_RECEIVE_PHY_STATUS3 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_RECEIVE_PHY_STATUS3: 0x%llx\n", CSR_XR(csr_base, LPU_RECEIVE_PHY_STATUS3)); /* * CSR_V LPU_RECEIVE_PHY_INTERRUPT_AND_STATUS_TEST Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_RECEIVE_PHY_INTERRUPT_AND_STATUS_TEST: 0x%llx\n", CSR_XR(csr_base, LPU_RECEIVE_PHY_INTERRUPT_AND_STATUS_TEST)); /* * CSR_V LPU RX LAYER interrupt regs (mask, status) */ DBG(DBG_LPU, NULL, "lpu_init - LPU_RECEIVE_PHY_INTERRUPT_MASK: 0x%llx\n", CSR_XR(csr_base, LPU_RECEIVE_PHY_INTERRUPT_MASK)); DBG(DBG_LPU, NULL, "lpu_init - LPU_RECEIVE_PHY_INTERRUPT_AND_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_RECEIVE_PHY_INTERRUPT_AND_STATUS)); /* * CSR_V LPU_TRANSMIT_PHY_CONFIG Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TRANSMIT_PHY_CONFIG: 0x%llx\n", CSR_XR(csr_base, LPU_TRANSMIT_PHY_CONFIG)); /* * CSR_V LPU_TRANSMIT_PHY_STATUS Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TRANSMIT_PHY_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_TRANSMIT_PHY_STATUS)); /* * CSR_V LPU_TRANSMIT_PHY_INTERRUPT_AND_STATUS_TEST Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TRANSMIT_PHY_INTERRUPT_AND_STATUS_TEST: 0x%llx\n", CSR_XR(csr_base, LPU_TRANSMIT_PHY_INTERRUPT_AND_STATUS_TEST)); /* * CSR_V LPU TX LAYER interrupt regs (mask, status) */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TRANSMIT_PHY_INTERRUPT_MASK: 0x%llx\n", CSR_XR(csr_base, LPU_TRANSMIT_PHY_INTERRUPT_MASK)); DBG(DBG_LPU, NULL, "lpu_init - LPU_TRANSMIT_PHY_INTERRUPT_AND_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_TRANSMIT_PHY_INTERRUPT_AND_STATUS)); /* * CSR_V LPU_TRANSMIT_PHY_STATUS_2 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_TRANSMIT_PHY_STATUS_2: 0x%llx\n", CSR_XR(csr_base, LPU_TRANSMIT_PHY_STATUS_2)); /* * CSR_V LPU_LTSSM_CONFIG1 Expect OBP 0x205 */ /* * The new PRM has values for LTSSM 8 ns timeout value and * LTSSM 20 ns timeout value. But what do these values mean? * Most of the other bits are questions as well. * * As such we will use the reset value. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LTSSM_CONFIG1: 0x%llx\n", CSR_XR(csr_base, LPU_LTSSM_CONFIG1)); /* * CSR_V LPU_LTSSM_CONFIG2 Expect OBP 0x2DC6C0 */ /* * Again, what does '12 ms timeout value mean'? */ val = (LPU_LTSSM_CONFIG2_LTSSM_12_TO_DEFAULT << LPU_LTSSM_CONFIG2_LTSSM_12_TO); CSR_XS(csr_base, LPU_LTSSM_CONFIG2, val); DBG(DBG_LPU, NULL, "lpu_init - LPU_LTSSM_CONFIG2: 0x%llx\n", CSR_XR(csr_base, LPU_LTSSM_CONFIG2)); /* * CSR_V LPU_LTSSM_CONFIG3 Expect OBP 0x7A120 */ val = (LPU_LTSSM_CONFIG3_LTSSM_2_TO_DEFAULT << LPU_LTSSM_CONFIG3_LTSSM_2_TO); CSR_XS(csr_base, LPU_LTSSM_CONFIG3, val); DBG(DBG_LPU, NULL, "lpu_init - LPU_LTSSM_CONFIG3: 0x%llx\n", CSR_XR(csr_base, LPU_LTSSM_CONFIG3)); /* * CSR_V LPU_LTSSM_CONFIG4 Expect OBP 0x21300 */ val = ((LPU_LTSSM_CONFIG4_DATA_RATE_DEFAULT << LPU_LTSSM_CONFIG4_DATA_RATE) | (LPU_LTSSM_CONFIG4_N_FTS_DEFAULT << LPU_LTSSM_CONFIG4_N_FTS)); CSR_XS(csr_base, LPU_LTSSM_CONFIG4, val); DBG(DBG_LPU, NULL, "lpu_init - LPU_LTSSM_CONFIG4: 0x%llx\n", CSR_XR(csr_base, LPU_LTSSM_CONFIG4)); /* * CSR_V LPU_LTSSM_CONFIG5 Expect OBP 0x0 */ val = 0ull; CSR_XS(csr_base, LPU_LTSSM_CONFIG5, val); DBG(DBG_LPU, NULL, "lpu_init - LPU_LTSSM_CONFIG5: 0x%llx\n", CSR_XR(csr_base, LPU_LTSSM_CONFIG5)); /* * CSR_V LPU_LTSSM_STATUS1 Expect OBP 0x0 */ /* * LTSSM Status registers are test only. */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LTSSM_STATUS1: 0x%llx\n", CSR_XR(csr_base, LPU_LTSSM_STATUS1)); /* * CSR_V LPU_LTSSM_STATUS2 Expect OBP 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LTSSM_STATUS2: 0x%llx\n", CSR_XR(csr_base, LPU_LTSSM_STATUS2)); /* * CSR_V LPU_LTSSM_INTERRUPT_AND_STATUS_TEST Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LTSSM_INTERRUPT_AND_STATUS_TEST: 0x%llx\n", CSR_XR(csr_base, LPU_LTSSM_INTERRUPT_AND_STATUS_TEST)); /* * CSR_V LPU LTSSM LAYER interrupt regs (mask, status) */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LTSSM_INTERRUPT_MASK: 0x%llx\n", CSR_XR(csr_base, LPU_LTSSM_INTERRUPT_MASK)); DBG(DBG_LPU, NULL, "lpu_init - LPU_LTSSM_INTERRUPT_AND_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_LTSSM_INTERRUPT_AND_STATUS)); /* * CSR_V LPU_LTSSM_STATUS_WRITE_ENABLE Expect OBP 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_LTSSM_STATUS_WRITE_ENABLE: 0x%llx\n", CSR_XR(csr_base, LPU_LTSSM_STATUS_WRITE_ENABLE)); /* * CSR_V LPU_GIGABLAZE_GLUE_CONFIG1 Expect OBP 0x88407 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_GIGABLAZE_GLUE_CONFIG1: 0x%llx\n", CSR_XR(csr_base, LPU_GIGABLAZE_GLUE_CONFIG1)); /* * CSR_V LPU_GIGABLAZE_GLUE_CONFIG2 Expect OBP 0x35 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_GIGABLAZE_GLUE_CONFIG2: 0x%llx\n", CSR_XR(csr_base, LPU_GIGABLAZE_GLUE_CONFIG2)); /* * CSR_V LPU_GIGABLAZE_GLUE_CONFIG3 Expect OBP 0x4400FA */ DBG(DBG_LPU, NULL, "lpu_init - LPU_GIGABLAZE_GLUE_CONFIG3: 0x%llx\n", CSR_XR(csr_base, LPU_GIGABLAZE_GLUE_CONFIG3)); /* * CSR_V LPU_GIGABLAZE_GLUE_CONFIG4 Expect OBP 0x1E848 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_GIGABLAZE_GLUE_CONFIG4: 0x%llx\n", CSR_XR(csr_base, LPU_GIGABLAZE_GLUE_CONFIG4)); /* * CSR_V LPU_GIGABLAZE_GLUE_STATUS Expect OBP 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_GIGABLAZE_GLUE_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_GIGABLAZE_GLUE_STATUS)); /* * CSR_V LPU_GIGABLAZE_GLUE_INTERRUPT_AND_STATUS_TEST Expect OBP 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - " "LPU_GIGABLAZE_GLUE_INTERRUPT_AND_STATUS_TEST: 0x%llx\n", CSR_XR(csr_base, LPU_GIGABLAZE_GLUE_INTERRUPT_AND_STATUS_TEST)); /* * CSR_V LPU GIGABLASE LAYER interrupt regs (mask, status) */ DBG(DBG_LPU, NULL, "lpu_init - LPU_GIGABLAZE_GLUE_INTERRUPT_MASK: 0x%llx\n", CSR_XR(csr_base, LPU_GIGABLAZE_GLUE_INTERRUPT_MASK)); DBG(DBG_LPU, NULL, "lpu_init - LPU_GIGABLAZE_GLUE_INTERRUPT_AND_STATUS: 0x%llx\n", CSR_XR(csr_base, LPU_GIGABLAZE_GLUE_INTERRUPT_AND_STATUS)); /* * CSR_V LPU_GIGABLAZE_GLUE_POWER_DOWN1 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_GIGABLAZE_GLUE_POWER_DOWN1: 0x%llx\n", CSR_XR(csr_base, LPU_GIGABLAZE_GLUE_POWER_DOWN1)); /* * CSR_V LPU_GIGABLAZE_GLUE_POWER_DOWN2 Expect HW 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_GIGABLAZE_GLUE_POWER_DOWN2: 0x%llx\n", CSR_XR(csr_base, LPU_GIGABLAZE_GLUE_POWER_DOWN2)); /* * CSR_V LPU_GIGABLAZE_GLUE_CONFIG5 Expect OBP 0x0 */ DBG(DBG_LPU, NULL, "lpu_init - LPU_GIGABLAZE_GLUE_CONFIG5: 0x%llx\n", CSR_XR(csr_base, LPU_GIGABLAZE_GLUE_CONFIG5)); } /* ARGSUSED */ static void dmc_init(caddr_t csr_base, pxu_t *pxu_p) { uint64_t val; /* * CSR_V DMC_CORE_AND_BLOCK_INTERRUPT_ENABLE Expect OBP 0x8000000000000003 */ val = -1ull; CSR_XS(csr_base, DMC_CORE_AND_BLOCK_INTERRUPT_ENABLE, val); DBG(DBG_DMC, NULL, "dmc_init - DMC_CORE_AND_BLOCK_INTERRUPT_ENABLE: 0x%llx\n", CSR_XR(csr_base, DMC_CORE_AND_BLOCK_INTERRUPT_ENABLE)); /* * CSR_V DMC_CORE_AND_BLOCK_ERROR_STATUS Expect HW 0x0 */ DBG(DBG_DMC, NULL, "dmc_init - DMC_CORE_AND_BLOCK_ERROR_STATUS: 0x%llx\n", CSR_XR(csr_base, DMC_CORE_AND_BLOCK_ERROR_STATUS)); /* * CSR_V DMC_DEBUG_SELECT_FOR_PORT_A Expect HW 0x0 */ val = 0x0ull; CSR_XS(csr_base, DMC_DEBUG_SELECT_FOR_PORT_A, val); DBG(DBG_DMC, NULL, "dmc_init - DMC_DEBUG_SELECT_FOR_PORT_A: 0x%llx\n", CSR_XR(csr_base, DMC_DEBUG_SELECT_FOR_PORT_A)); /* * CSR_V DMC_DEBUG_SELECT_FOR_PORT_B Expect HW 0x0 */ val = 0x0ull; CSR_XS(csr_base, DMC_DEBUG_SELECT_FOR_PORT_B, val); DBG(DBG_DMC, NULL, "dmc_init - DMC_DEBUG_SELECT_FOR_PORT_B: 0x%llx\n", CSR_XR(csr_base, DMC_DEBUG_SELECT_FOR_PORT_B)); } void hvio_pec_init(caddr_t csr_base, pxu_t *pxu_p) { uint64_t val; ilu_init(csr_base, pxu_p); tlu_init(csr_base, pxu_p); lpu_init(csr_base, pxu_p); dmc_init(csr_base, pxu_p); /* * CSR_V PEC_CORE_AND_BLOCK_INTERRUPT_ENABLE Expect Kernel 0x800000000000000F */ val = -1ull; CSR_XS(csr_base, PEC_CORE_AND_BLOCK_INTERRUPT_ENABLE, val); DBG(DBG_PEC, NULL, "hvio_pec_init - PEC_CORE_AND_BLOCK_INTERRUPT_ENABLE: 0x%llx\n", CSR_XR(csr_base, PEC_CORE_AND_BLOCK_INTERRUPT_ENABLE)); /* * CSR_V PEC_CORE_AND_BLOCK_INTERRUPT_STATUS Expect HW 0x0 */ DBG(DBG_PEC, NULL, "hvio_pec_init - PEC_CORE_AND_BLOCK_INTERRUPT_STATUS: 0x%llx\n", CSR_XR(csr_base, PEC_CORE_AND_BLOCK_INTERRUPT_STATUS)); } /* * Initialize the module, but do not enable interrupts. */ void hvio_mmu_init(caddr_t csr_base, pxu_t *pxu_p) { uint64_t val, i, tsb_ctrl, obp_tsb_pa, *base_tte_addr; uint_t obp_tsb_entries, obp_tsb_size; bzero(pxu_p->tsb_vaddr, pxu_p->tsb_size); /* * Preserve OBP's TSB */ val = CSR_XR(csr_base, MMU_TSB_CONTROL); tsb_ctrl = CSR_XR(csr_base, MMU_TSB_CONTROL); obp_tsb_pa = tsb_ctrl & 0x7FFFFFFE000; obp_tsb_size = tsb_ctrl & 0xF; obp_tsb_entries = MMU_TSBSIZE_TO_TSBENTRIES(obp_tsb_size); base_tte_addr = pxu_p->tsb_vaddr + ((pxu_p->tsb_size >> 3) - obp_tsb_entries); for (i = 0; i < obp_tsb_entries; i++) { uint64_t tte = lddphys(obp_tsb_pa + i * 8); if (!MMU_TTE_VALID(tte)) continue; base_tte_addr[i] = tte; } /* * Invalidate the TLB through the diagnostic register. */ CSR_XS(csr_base, MMU_TTE_CACHE_INVALIDATE, -1ull); /* * Configure the Fire MMU TSB Control Register. Determine * the encoding for either 8KB pages (0) or 64KB pages (1). * * Write the most significant 30 bits of the TSB physical address * and the encoded TSB table size. */ for (i = 8; i && (pxu_p->tsb_size < (0x2000 << i)); i--); val = (((((va_to_pa(pxu_p->tsb_vaddr)) >> 13) << 13) | ((MMU_PAGE_SHIFT == 13) ? 0 : 1) << 8) | i); CSR_XS(csr_base, MMU_TSB_CONTROL, val); /* * Enable the MMU, set the "TSB Cache Snoop Enable", * the "Cache Mode", the "Bypass Enable" and * the "Translation Enable" bits. */ val = CSR_XR(csr_base, MMU_CONTROL_AND_STATUS); val |= ((1ull << MMU_CONTROL_AND_STATUS_SE) | (MMU_CONTROL_AND_STATUS_CM_MASK << MMU_CONTROL_AND_STATUS_CM) | (1ull << MMU_CONTROL_AND_STATUS_BE) | (1ull << MMU_CONTROL_AND_STATUS_TE)); CSR_XS(csr_base, MMU_CONTROL_AND_STATUS, val); /* * Read the register here to ensure that the previous writes to * the Fire MMU registers have been flushed. (Technically, this * is not entirely necessary here as we will likely do later reads * during Fire initialization, but it is a small price to pay for * more modular code.) */ (void) CSR_XR(csr_base, MMU_CONTROL_AND_STATUS); /* * CSR_V TLU's UE interrupt regs (log, enable, status, clear) * Plus header logs */ DBG(DBG_MMU, NULL, "mmu_init - MMU_ERROR_LOG_ENABLE: 0x%llx\n", CSR_XR(csr_base, MMU_ERROR_LOG_ENABLE)); DBG(DBG_MMU, NULL, "mmu_init - MMU_INTERRUPT_ENABLE: 0x%llx\n", CSR_XR(csr_base, MMU_INTERRUPT_ENABLE)); DBG(DBG_MMU, NULL, "mmu_init - MMU_INTERRUPT_STATUS: 0x%llx\n", CSR_XR(csr_base, MMU_INTERRUPT_STATUS)); DBG(DBG_MMU, NULL, "mmu_init - MMU_ERROR_STATUS_CLEAR: 0x%llx\n", CSR_XR(csr_base, MMU_ERROR_STATUS_CLEAR)); } /* * Generic IOMMU Servies */ /* ARGSUSED */ uint64_t hvio_iommu_map(devhandle_t dev_hdl, pxu_t *pxu_p, tsbid_t tsbid, pages_t pages, io_attributes_t io_attr, void *addr, size_t pfn_index, int flags) { tsbindex_t tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid); uint64_t attr = MMU_TTE_V; int i; if (io_attr & PCI_MAP_ATTR_WRITE) attr |= MMU_TTE_W; if (flags & MMU_MAP_PFN) { ddi_dma_impl_t *mp = (ddi_dma_impl_t *)addr; for (i = 0; i < pages; i++, pfn_index++, tsb_index++) { px_iopfn_t pfn = PX_GET_MP_PFN(mp, pfn_index); pxu_p->tsb_vaddr[tsb_index] = MMU_PTOB(pfn) | attr; } } else { caddr_t a = (caddr_t)addr; for (i = 0; i < pages; i++, a += MMU_PAGE_SIZE, tsb_index++) { px_iopfn_t pfn = hat_getpfnum(kas.a_hat, a); pxu_p->tsb_vaddr[tsb_index] = MMU_PTOB(pfn) | attr; } } return (H_EOK); } /* ARGSUSED */ uint64_t hvio_iommu_demap(devhandle_t dev_hdl, pxu_t *pxu_p, tsbid_t tsbid, pages_t pages) { tsbindex_t tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid); int i; for (i = 0; i < pages; i++, tsb_index++) pxu_p->tsb_vaddr[tsb_index] = MMU_INVALID_TTE; return (H_EOK); } /* ARGSUSED */ uint64_t hvio_iommu_getmap(devhandle_t dev_hdl, pxu_t *pxu_p, tsbid_t tsbid, io_attributes_t *attr_p, r_addr_t *r_addr_p) { tsbindex_t tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid); uint64_t *tte_addr; uint64_t ret = H_EOK; tte_addr = (uint64_t *)(pxu_p->tsb_vaddr) + tsb_index; if (*tte_addr & MMU_TTE_V) { *r_addr_p = MMU_TTETOPA(*tte_addr); *attr_p = (*tte_addr & MMU_TTE_W) ? PCI_MAP_ATTR_WRITE:PCI_MAP_ATTR_READ; } else { *r_addr_p = 0; *attr_p = 0; ret = H_ENOMAP; } return (ret); } /* ARGSUSED */ uint64_t hvio_iommu_getbypass(devhandle_t dev_hdl, r_addr_t ra, io_attributes_t attr, io_addr_t *io_addr_p) { uint64_t pfn = MMU_BTOP(ra); *io_addr_p = MMU_BYPASS_BASE | ra | (pf_is_memory(pfn) ? 0 : MMU_BYPASS_NONCACHE); return (H_EOK); } /* * Generic IO Interrupt Servies */ /* * Converts a device specific interrupt number given by the * arguments devhandle and devino into a system specific ino. */ /* ARGSUSED */ uint64_t hvio_intr_devino_to_sysino(devhandle_t dev_hdl, pxu_t *pxu_p, devino_t devino, sysino_t *sysino) { if (devino > INTERRUPT_MAPPING_ENTRIES) { DBG(DBG_IB, NULL, "ino %x is invalid\n", devino); return (H_ENOINTR); } *sysino = DEVINO_TO_SYSINO(pxu_p->portid, devino); return (H_EOK); } /* * Returns state in intr_valid_state if the interrupt defined by sysino * is valid (enabled) or not-valid (disabled). */ uint64_t hvio_intr_getvalid(devhandle_t dev_hdl, sysino_t sysino, intr_valid_state_t *intr_valid_state) { if (CSRA_BR((caddr_t)dev_hdl, INTERRUPT_MAPPING, SYSINO_TO_DEVINO(sysino), ENTRIES_V)) { *intr_valid_state = INTR_VALID; } else { *intr_valid_state = INTR_NOTVALID; } return (H_EOK); } /* * Sets the 'valid' state of the interrupt defined by * the argument sysino to the state defined by the * argument intr_valid_state. */ uint64_t hvio_intr_setvalid(devhandle_t dev_hdl, sysino_t sysino, intr_valid_state_t intr_valid_state) { switch (intr_valid_state) { case INTR_VALID: CSRA_BS((caddr_t)dev_hdl, INTERRUPT_MAPPING, SYSINO_TO_DEVINO(sysino), ENTRIES_V); break; case INTR_NOTVALID: CSRA_BC((caddr_t)dev_hdl, INTERRUPT_MAPPING, SYSINO_TO_DEVINO(sysino), ENTRIES_V); break; default: return (EINVAL); } return (H_EOK); } /* * Returns the current state of the interrupt given by the sysino * argument. */ uint64_t hvio_intr_getstate(devhandle_t dev_hdl, sysino_t sysino, intr_state_t *intr_state) { intr_state_t state; state = CSRA_FR((caddr_t)dev_hdl, INTERRUPT_CLEAR, SYSINO_TO_DEVINO(sysino), ENTRIES_INT_STATE); switch (state) { case INTERRUPT_IDLE_STATE: *intr_state = INTR_IDLE_STATE; break; case INTERRUPT_RECEIVED_STATE: *intr_state = INTR_RECEIVED_STATE; break; case INTERRUPT_PENDING_STATE: *intr_state = INTR_DELIVERED_STATE; break; default: return (EINVAL); } return (H_EOK); } /* * Sets the current state of the interrupt given by the sysino * argument to the value given in the argument intr_state. * * Note: Setting the state to INTR_IDLE clears any pending * interrupt for sysino. */ uint64_t hvio_intr_setstate(devhandle_t dev_hdl, sysino_t sysino, intr_state_t intr_state) { intr_state_t state; switch (intr_state) { case INTR_IDLE_STATE: state = INTERRUPT_IDLE_STATE; break; case INTR_DELIVERED_STATE: state = INTERRUPT_PENDING_STATE; break; default: return (EINVAL); } CSRA_FS((caddr_t)dev_hdl, INTERRUPT_CLEAR, SYSINO_TO_DEVINO(sysino), ENTRIES_INT_STATE, state); return (H_EOK); } /* * Returns the cpuid that is the current target of the * interrupt given by the sysino argument. * * The cpuid value returned is undefined if the target * has not been set via intr_settarget. */ uint64_t hvio_intr_gettarget(devhandle_t dev_hdl, sysino_t sysino, cpuid_t *cpuid) { *cpuid = CSRA_FR((caddr_t)dev_hdl, INTERRUPT_MAPPING, SYSINO_TO_DEVINO(sysino), ENTRIES_T_JPID); return (H_EOK); } /* * Set the target cpu for the interrupt defined by the argument * sysino to the target cpu value defined by the argument cpuid. */ uint64_t hvio_intr_settarget(devhandle_t dev_hdl, sysino_t sysino, cpuid_t cpuid) { uint64_t val, intr_controller; uint32_t ino = SYSINO_TO_DEVINO(sysino); /* * For now, we assign interrupt controller in a round * robin fashion. Later, we may need to come up with * a more efficient assignment algorithm. */ intr_controller = 0x1ull << (cpuid % 4); val = (((cpuid & INTERRUPT_MAPPING_ENTRIES_T_JPID_MASK) << INTERRUPT_MAPPING_ENTRIES_T_JPID) | ((intr_controller & INTERRUPT_MAPPING_ENTRIES_INT_CNTRL_NUM_MASK) << INTERRUPT_MAPPING_ENTRIES_INT_CNTRL_NUM)); /* For EQ interrupts, set DATA MONDO bit */ if ((ino >= PX_DEFAULT_MSIQ_1ST_DEVINO) && (ino < (PX_DEFAULT_MSIQ_1ST_DEVINO + PX_DEFAULT_MSIQ_CNT))) val |= (0x1ull << INTERRUPT_MAPPING_ENTRIES_MDO_MODE); CSRA_XS((caddr_t)dev_hdl, INTERRUPT_MAPPING, ino, val); return (H_EOK); } /* * MSIQ Functions: */ uint64_t hvio_msiq_init(devhandle_t dev_hdl, pxu_t *pxu_p) { CSRA_XS((caddr_t)dev_hdl, EVENT_QUEUE_BASE_ADDRESS, 0, (uint64_t)pxu_p->msiq_mapped_p); DBG(DBG_IB, NULL, "hvio_msiq_init: EVENT_QUEUE_BASE_ADDRESS 0x%llx\n", CSR_XR((caddr_t)dev_hdl, EVENT_QUEUE_BASE_ADDRESS)); CSRA_XS((caddr_t)dev_hdl, INTERRUPT_MONDO_DATA_0, 0, (uint64_t)ID_TO_IGN(pxu_p->portid) << INO_BITS); DBG(DBG_IB, NULL, "hvio_msiq_init: " "INTERRUPT_MONDO_DATA_0: 0x%llx\n", CSR_XR((caddr_t)dev_hdl, INTERRUPT_MONDO_DATA_0)); return (H_EOK); } uint64_t hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id, pci_msiq_valid_state_t *msiq_valid_state) { uint32_t eq_state; uint64_t ret = H_EOK; eq_state = CSRA_FR((caddr_t)dev_hdl, EVENT_QUEUE_STATE, msiq_id, ENTRIES_STATE); switch (eq_state) { case EQ_IDLE_STATE: *msiq_valid_state = PCI_MSIQ_INVALID; break; case EQ_ACTIVE_STATE: case EQ_ERROR_STATE: *msiq_valid_state = PCI_MSIQ_VALID; break; default: ret = H_EIO; break; } return (ret); } uint64_t hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id, pci_msiq_valid_state_t msiq_valid_state) { uint64_t ret = H_EOK; switch (msiq_valid_state) { case PCI_MSIQ_INVALID: CSRA_BS((caddr_t)dev_hdl, EVENT_QUEUE_CONTROL_CLEAR, msiq_id, ENTRIES_DIS); break; case PCI_MSIQ_VALID: CSRA_BS((caddr_t)dev_hdl, EVENT_QUEUE_CONTROL_SET, msiq_id, ENTRIES_EN); break; default: ret = H_EINVAL; break; } return (ret); } uint64_t hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id, pci_msiq_state_t *msiq_state) { uint32_t eq_state; uint64_t ret = H_EOK; eq_state = CSRA_FR((caddr_t)dev_hdl, EVENT_QUEUE_STATE, msiq_id, ENTRIES_STATE); switch (eq_state) { case EQ_IDLE_STATE: case EQ_ACTIVE_STATE: *msiq_state = PCI_MSIQ_STATE_IDLE; break; case EQ_ERROR_STATE: *msiq_state = PCI_MSIQ_STATE_ERROR; break; default: ret = H_EIO; } return (ret); } uint64_t hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id, pci_msiq_state_t msiq_state) { uint32_t eq_state; uint64_t ret = H_EOK; eq_state = CSRA_FR((caddr_t)dev_hdl, EVENT_QUEUE_STATE, msiq_id, ENTRIES_STATE); switch (eq_state) { case EQ_IDLE_STATE: if (msiq_state == PCI_MSIQ_STATE_ERROR) ret = H_EIO; break; case EQ_ACTIVE_STATE: if (msiq_state == PCI_MSIQ_STATE_ERROR) CSRA_BS((caddr_t)dev_hdl, EVENT_QUEUE_CONTROL_SET, msiq_id, ENTRIES_ENOVERR); else ret = H_EIO; break; case EQ_ERROR_STATE: if (msiq_state == PCI_MSIQ_STATE_IDLE) CSRA_BS((caddr_t)dev_hdl, EVENT_QUEUE_CONTROL_CLEAR, msiq_id, ENTRIES_E2I); else ret = H_EIO; break; default: ret = H_EIO; } return (ret); } uint64_t hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id, msiqhead_t *msiq_head) { *msiq_head = CSRA_FR((caddr_t)dev_hdl, EVENT_QUEUE_HEAD, msiq_id, ENTRIES_HEAD); return (H_EOK); } uint64_t hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id, msiqhead_t msiq_head) { CSRA_FS((caddr_t)dev_hdl, EVENT_QUEUE_HEAD, msiq_id, ENTRIES_HEAD, msiq_head); return (H_EOK); } uint64_t hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id, msiqtail_t *msiq_tail) { *msiq_tail = CSRA_FR((caddr_t)dev_hdl, EVENT_QUEUE_TAIL, msiq_id, ENTRIES_TAIL); return (H_EOK); } /* * MSI Functions: */ uint64_t hvio_msi_init(devhandle_t dev_hdl, uint64_t addr32, uint64_t addr64) { /* PCI MEM 32 resources to perform 32 bit MSI transactions */ CSRA_FS((caddr_t)dev_hdl, MSI_32_BIT_ADDRESS, 0, ADDR, (uint64_t)addr32 >> MSI_32_BIT_ADDRESS_ADDR); DBG(DBG_IB, NULL, "hvio_msiq_init: MSI_32_BIT_ADDRESS: 0x%llx\n", CSR_XR((caddr_t)dev_hdl, MSI_32_BIT_ADDRESS)); /* Reserve PCI MEM 64 resources to perform 64 bit MSI transactions */ CSRA_FS((caddr_t)dev_hdl, MSI_64_BIT_ADDRESS, 0, ADDR, (uint64_t)addr64 >> MSI_64_BIT_ADDRESS_ADDR); DBG(DBG_IB, NULL, "hvio_msiq_init: MSI_64_BIT_ADDRESS: 0x%llx\n", CSR_XR((caddr_t)dev_hdl, MSI_64_BIT_ADDRESS)); return (H_EOK); } uint64_t hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num, msiqid_t *msiq_id) { *msiq_id = CSRA_FR((caddr_t)dev_hdl, MSI_MAPPING, msi_num, ENTRIES_EQNUM); return (H_EOK); } uint64_t hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num, msiqid_t msiq_id) { CSRA_FS((caddr_t)dev_hdl, MSI_MAPPING, msi_num, ENTRIES_EQNUM, msiq_id); return (H_EOK); } uint64_t hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num, pci_msi_valid_state_t *msi_valid_state) { *msi_valid_state = CSRA_BR((caddr_t)dev_hdl, MSI_MAPPING, msi_num, ENTRIES_V); return (H_EOK); } uint64_t hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num, pci_msi_valid_state_t msi_valid_state) { uint64_t ret = H_EOK; switch (msi_valid_state) { case PCI_MSI_VALID: CSRA_BS((caddr_t)dev_hdl, MSI_MAPPING, msi_num, ENTRIES_V); break; case PCI_MSI_INVALID: CSRA_BC((caddr_t)dev_hdl, MSI_MAPPING, msi_num, ENTRIES_V); break; default: ret = H_EINVAL; } return (ret); } uint64_t hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num, pci_msi_state_t *msi_state) { *msi_state = CSRA_BR((caddr_t)dev_hdl, MSI_MAPPING, msi_num, ENTRIES_EQWR_N); return (H_EOK); } uint64_t hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num, pci_msi_state_t msi_state) { uint64_t ret = H_EOK; switch (msi_state) { case PCI_MSI_STATE_IDLE: CSRA_BS((caddr_t)dev_hdl, MSI_CLEAR, msi_num, ENTRIES_EQWR_N); break; case PCI_MSI_STATE_DELIVERED: default: ret = H_EINVAL; break; } return (ret); } /* * MSG Functions: */ uint64_t hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type, msiqid_t *msiq_id) { uint64_t ret = H_EOK; switch (msg_type) { case PCIE_PME_MSG: *msiq_id = CSR_FR((caddr_t)dev_hdl, PM_PME_MAPPING, EQNUM); break; case PCIE_PME_ACK_MSG: *msiq_id = CSR_FR((caddr_t)dev_hdl, PME_TO_ACK_MAPPING, EQNUM); break; case PCIE_CORR_MSG: *msiq_id = CSR_FR((caddr_t)dev_hdl, ERR_COR_MAPPING, EQNUM); break; case PCIE_NONFATAL_MSG: *msiq_id = CSR_FR((caddr_t)dev_hdl, ERR_NONFATAL_MAPPING, EQNUM); break; case PCIE_FATAL_MSG: *msiq_id = CSR_FR((caddr_t)dev_hdl, ERR_FATAL_MAPPING, EQNUM); break; default: ret = H_EINVAL; break; } return (ret); } uint64_t hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type, msiqid_t msiq_id) { uint64_t ret = H_EOK; switch (msg_type) { case PCIE_PME_MSG: CSR_FS((caddr_t)dev_hdl, PM_PME_MAPPING, EQNUM, msiq_id); break; case PCIE_PME_ACK_MSG: CSR_FS((caddr_t)dev_hdl, PME_TO_ACK_MAPPING, EQNUM, msiq_id); break; case PCIE_CORR_MSG: CSR_FS((caddr_t)dev_hdl, ERR_COR_MAPPING, EQNUM, msiq_id); break; case PCIE_NONFATAL_MSG: CSR_FS((caddr_t)dev_hdl, ERR_NONFATAL_MAPPING, EQNUM, msiq_id); break; case PCIE_FATAL_MSG: CSR_FS((caddr_t)dev_hdl, ERR_FATAL_MAPPING, EQNUM, msiq_id); break; default: ret = H_EINVAL; break; } return (ret); } uint64_t hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type, pcie_msg_valid_state_t *msg_valid_state) { uint64_t ret = H_EOK; switch (msg_type) { case PCIE_PME_MSG: *msg_valid_state = CSR_BR((caddr_t)dev_hdl, PM_PME_MAPPING, V); break; case PCIE_PME_ACK_MSG: *msg_valid_state = CSR_BR((caddr_t)dev_hdl, PME_TO_ACK_MAPPING, V); break; case PCIE_CORR_MSG: *msg_valid_state = CSR_BR((caddr_t)dev_hdl, ERR_COR_MAPPING, V); break; case PCIE_NONFATAL_MSG: *msg_valid_state = CSR_BR((caddr_t)dev_hdl, ERR_NONFATAL_MAPPING, V); break; case PCIE_FATAL_MSG: *msg_valid_state = CSR_BR((caddr_t)dev_hdl, ERR_FATAL_MAPPING, V); break; default: ret = H_EINVAL; break; } return (ret); } uint64_t hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type, pcie_msg_valid_state_t msg_valid_state) { uint64_t ret = H_EOK; switch (msg_valid_state) { case PCIE_MSG_VALID: switch (msg_type) { case PCIE_PME_MSG: CSR_BS((caddr_t)dev_hdl, PM_PME_MAPPING, V); break; case PCIE_PME_ACK_MSG: CSR_BS((caddr_t)dev_hdl, PME_TO_ACK_MAPPING, V); break; case PCIE_CORR_MSG: CSR_BS((caddr_t)dev_hdl, ERR_COR_MAPPING, V); break; case PCIE_NONFATAL_MSG: CSR_BS((caddr_t)dev_hdl, ERR_NONFATAL_MAPPING, V); break; case PCIE_FATAL_MSG: CSR_BS((caddr_t)dev_hdl, ERR_FATAL_MAPPING, V); break; default: ret = H_EINVAL; break; } break; case PCIE_MSG_INVALID: switch (msg_type) { case PCIE_PME_MSG: CSR_BC((caddr_t)dev_hdl, PM_PME_MAPPING, V); break; case PCIE_PME_ACK_MSG: CSR_BC((caddr_t)dev_hdl, PME_TO_ACK_MAPPING, V); break; case PCIE_CORR_MSG: CSR_BC((caddr_t)dev_hdl, ERR_COR_MAPPING, V); break; case PCIE_NONFATAL_MSG: CSR_BC((caddr_t)dev_hdl, ERR_NONFATAL_MAPPING, V); break; case PCIE_FATAL_MSG: CSR_BC((caddr_t)dev_hdl, ERR_FATAL_MAPPING, V); break; default: ret = H_EINVAL; break; } break; default: ret = H_EINVAL; } return (ret); } /* * Suspend/Resume Functions: * (pec, mmu, ib) * cb * Registers saved have all been touched in the XXX_init functions. */ uint64_t hvio_suspend(devhandle_t dev_hdl, pxu_t *pxu_p) { uint64_t *config_state; int total_size; int i; if (msiq_suspend(dev_hdl, pxu_p) != H_EOK) return (H_EIO); total_size = PEC_SIZE + MMU_SIZE + IB_SIZE + IB_MAP_SIZE; config_state = kmem_zalloc(total_size, KM_NOSLEEP); if (config_state == NULL) { return (H_EIO); } /* * Soft state for suspend/resume from pxu_t * uint64_t *pec_config_state; * uint64_t *mmu_config_state; * uint64_t *ib_intr_map; * uint64_t *ib_config_state; * uint64_t *xcb_config_state; */ /* Save the PEC configuration states */ pxu_p->pec_config_state = config_state; for (i = 0; i < PEC_KEYS; i++) { pxu_p->pec_config_state[i] = CSR_XR((caddr_t)dev_hdl, pec_config_state_regs[i]); } /* Save the MMU configuration states */ pxu_p->mmu_config_state = pxu_p->pec_config_state + PEC_KEYS; for (i = 0; i < MMU_KEYS; i++) { pxu_p->mmu_config_state[i] = CSR_XR((caddr_t)dev_hdl, mmu_config_state_regs[i]); } /* Save the interrupt mapping registers */ pxu_p->ib_intr_map = pxu_p->mmu_config_state + MMU_KEYS; for (i = 0; i < INTERRUPT_MAPPING_ENTRIES; i++) { pxu_p->ib_intr_map[i] = CSRA_XR((caddr_t)dev_hdl, INTERRUPT_MAPPING, i); } /* Save the IB configuration states */ pxu_p->ib_config_state = pxu_p->ib_intr_map + INTERRUPT_MAPPING_ENTRIES; for (i = 0; i < IB_KEYS; i++) { pxu_p->ib_config_state[i] = CSR_XR((caddr_t)dev_hdl, ib_config_state_regs[i]); } return (H_EOK); } void hvio_resume(devhandle_t dev_hdl, devino_t devino, pxu_t *pxu_p) { int total_size; sysino_t sysino; int i; /* Make sure that suspend actually did occur */ if (!pxu_p->pec_config_state) { return; } /* Restore IB configuration states */ for (i = 0; i < IB_KEYS; i++) { CSR_XS((caddr_t)dev_hdl, ib_config_state_regs[i], pxu_p->ib_config_state[i]); } /* * Restore the interrupt mapping registers * And make sure the intrs are idle. */ for (i = 0; i < INTERRUPT_MAPPING_ENTRIES; i++) { CSRA_FS((caddr_t)dev_hdl, INTERRUPT_CLEAR, i, ENTRIES_INT_STATE, INTERRUPT_IDLE_STATE); CSRA_XS((caddr_t)dev_hdl, INTERRUPT_MAPPING, i, pxu_p->ib_intr_map[i]); } /* Restore MMU configuration states */ /* Clear the cache. */ CSR_XS((caddr_t)dev_hdl, MMU_TTE_CACHE_INVALIDATE, -1ull); for (i = 0; i < MMU_KEYS; i++) { CSR_XS((caddr_t)dev_hdl, mmu_config_state_regs[i], pxu_p->mmu_config_state[i]); } /* Restore PEC configuration states */ /* Make sure all reset bits are low until error is detected */ CSR_XS((caddr_t)dev_hdl, LPU_RESET, 0ull); for (i = 0; i < PEC_KEYS; i++) { CSR_XS((caddr_t)dev_hdl, pec_config_state_regs[i], pxu_p->pec_config_state[i]); } /* Enable PCI-E interrupt */ (void) hvio_intr_devino_to_sysino(dev_hdl, pxu_p, devino, &sysino); (void) hvio_intr_setstate(dev_hdl, sysino, INTR_IDLE_STATE); total_size = PEC_SIZE + MMU_SIZE + IB_SIZE + IB_MAP_SIZE; kmem_free(pxu_p->pec_config_state, total_size); pxu_p->pec_config_state = NULL; pxu_p->mmu_config_state = NULL; pxu_p->ib_config_state = NULL; pxu_p->ib_intr_map = NULL; msiq_resume(dev_hdl, pxu_p); } uint64_t hvio_cb_suspend(devhandle_t dev_hdl, pxu_t *pxu_p) { uint64_t *config_state; int i; config_state = kmem_zalloc(CB_SIZE, KM_NOSLEEP); if (config_state == NULL) { return (H_EIO); } /* Save the configuration states */ pxu_p->xcb_config_state = config_state; for (i = 0; i < CB_KEYS; i++) { pxu_p->xcb_config_state[i] = CSR_XR((caddr_t)dev_hdl, cb_config_state_regs[i]); } return (H_EOK); } void hvio_cb_resume(devhandle_t pci_dev_hdl, devhandle_t xbus_dev_hdl, devino_t devino, pxu_t *pxu_p) { sysino_t sysino; int i; /* * No reason to have any reset bits high until an error is * detected on the link. */ CSR_XS((caddr_t)xbus_dev_hdl, JBC_ERROR_STATUS_CLEAR, -1ull); ASSERT(pxu_p->xcb_config_state); /* Restore the configuration states */ for (i = 0; i < CB_KEYS; i++) { CSR_XS((caddr_t)xbus_dev_hdl, cb_config_state_regs[i], pxu_p->xcb_config_state[i]); } /* Enable XBC interrupt */ (void) hvio_intr_devino_to_sysino(pci_dev_hdl, pxu_p, devino, &sysino); (void) hvio_intr_setstate(pci_dev_hdl, sysino, INTR_IDLE_STATE); kmem_free(pxu_p->xcb_config_state, CB_SIZE); pxu_p->xcb_config_state = NULL; } static uint64_t msiq_suspend(devhandle_t dev_hdl, pxu_t *pxu_p) { size_t bufsz; volatile uint64_t *cur_p; int i; bufsz = MSIQ_STATE_SIZE + MSIQ_MAPPING_SIZE + MSIQ_OTHER_SIZE; if ((pxu_p->msiq_config_state = kmem_zalloc(bufsz, KM_NOSLEEP)) == NULL) return (H_EIO); cur_p = pxu_p->msiq_config_state; /* Save each EQ state */ for (i = 0; i < EVENT_QUEUE_STATE_ENTRIES; i++, cur_p++) *cur_p = CSRA_XR((caddr_t)dev_hdl, EVENT_QUEUE_STATE, i); /* Save MSI mapping registers */ for (i = 0; i < MSI_MAPPING_ENTRIES; i++, cur_p++) *cur_p = CSRA_XR((caddr_t)dev_hdl, MSI_MAPPING, i); /* Save all other MSIQ registers */ for (i = 0; i < MSIQ_OTHER_KEYS; i++, cur_p++) *cur_p = CSR_XR((caddr_t)dev_hdl, msiq_config_other_regs[i]); return (H_EOK); } static void msiq_resume(devhandle_t dev_hdl, pxu_t *pxu_p) { size_t bufsz; uint64_t *cur_p, state; int i; bufsz = MSIQ_STATE_SIZE + MSIQ_MAPPING_SIZE + MSIQ_OTHER_SIZE; cur_p = pxu_p->msiq_config_state; /* * Initialize EQ base address register and * Interrupt Mondo Data 0 register. */ (void) hvio_msiq_init(dev_hdl, pxu_p); /* Restore EQ states */ for (i = 0; i < EVENT_QUEUE_STATE_ENTRIES; i++, cur_p++) { state = (*cur_p) & EVENT_QUEUE_STATE_ENTRIES_STATE_MASK; if ((state == EQ_ACTIVE_STATE) || (state == EQ_ERROR_STATE)) CSRA_BS((caddr_t)dev_hdl, EVENT_QUEUE_CONTROL_SET, i, ENTRIES_EN); } /* Restore MSI mapping */ for (i = 0; i < MSI_MAPPING_ENTRIES; i++, cur_p++) CSRA_XS((caddr_t)dev_hdl, MSI_MAPPING, i, *cur_p); /* * Restore all other registers. MSI 32 bit address and * MSI 64 bit address are restored as part of this. */ for (i = 0; i < MSIQ_OTHER_KEYS; i++, cur_p++) CSR_XS((caddr_t)dev_hdl, msiq_config_other_regs[i], *cur_p); kmem_free(pxu_p->msiq_config_state, bufsz); pxu_p->msiq_config_state = NULL; } /* * sends PME_Turn_Off message to put the link in L2/L3 ready state. * called by px_goto_l23ready. * returns DDI_SUCCESS or DDI_FAILURE */ int px_send_pme_turnoff(caddr_t csr_base) { volatile uint64_t reg; reg = CSR_XR(csr_base, TLU_PME_TURN_OFF_GENERATE); /* If already pending, return failure */ if (reg & (1ull << TLU_PME_TURN_OFF_GENERATE_PTO)) { DBG(DBG_PWR, NULL, "send_pme_turnoff: pending PTO bit " "tlu_pme_turn_off_generate = %x\n", reg); return (DDI_FAILURE); } /* write to PME_Turn_off reg to boradcast */ reg |= (1ull << TLU_PME_TURN_OFF_GENERATE_PTO); CSR_XS(csr_base, TLU_PME_TURN_OFF_GENERATE, reg); return (DDI_SUCCESS); } /* * Checks for link being in L1idle state. * Returns * DDI_SUCCESS - if the link is in L1idle * DDI_FAILURE - if the link is not in L1idle */ int px_link_wait4l1idle(caddr_t csr_base) { uint8_t ltssm_state; int ntries = px_max_l1_tries; while (ntries > 0) { ltssm_state = CSR_FR(csr_base, LPU_LTSSM_STATUS1, LTSSM_STATE); if (ltssm_state == LPU_LTSSM_L1_IDLE || (--ntries <= 0)) break; delay(1); } DBG(DBG_PWR, NULL, "check_for_l1idle: ltssm_state %x\n", ltssm_state); return ((ltssm_state == LPU_LTSSM_L1_IDLE) ? DDI_SUCCESS : DDI_FAILURE); } /* * Tranisition the link to L0, after it is down. */ int px_link_retrain(caddr_t csr_base) { volatile uint64_t reg; reg = CSR_XR(csr_base, TLU_CONTROL); if (!(reg & (1ull << TLU_REMAIN_DETECT_QUIET))) { DBG(DBG_PWR, NULL, "retrain_link: detect.quiet bit not set\n"); return (DDI_FAILURE); } /* Clear link down bit in TLU Other Event Clear Status Register. */ CSR_BS(csr_base, TLU_OTHER_EVENT_STATUS_CLEAR, LDN_P); /* Clear Drain bit in TLU Status Register */ CSR_BS(csr_base, TLU_STATUS, DRAIN); /* Clear Remain in Detect.Quiet bit in TLU Control Register */ reg = CSR_XR(csr_base, TLU_CONTROL); reg &= ~(1ull << TLU_REMAIN_DETECT_QUIET); CSR_XS(csr_base, TLU_CONTROL, reg); return (DDI_SUCCESS); } void px_enable_detect_quiet(caddr_t csr_base) { volatile uint64_t tlu_ctrl; tlu_ctrl = CSR_XR(csr_base, TLU_CONTROL); tlu_ctrl |= (1ull << TLU_REMAIN_DETECT_QUIET); CSR_XS(csr_base, TLU_CONTROL, tlu_ctrl); }