^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Adaptec AAC series RAID controller driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * (c) Copyright 2001 Red Hat Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * based on the old aacraid driver that is..
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Adaptec aacraid device driver for Linux.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Copyright (c) 2000-2010 Adaptec, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * Module Name:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * sa.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * Abstract: Drawbridge specific support functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/blkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/completion.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include "aacraid.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static irqreturn_t aac_sa_intr(int irq, void *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct aac_dev *dev = dev_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) unsigned short intstat, mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) intstat = sa_readw(dev, DoorbellReg_p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * Read mask and invert because drawbridge is reversed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * This allows us to only service interrupts that have been enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) mask = ~(sa_readw(dev, SaDbCSR.PRISETIRQMASK));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /* Check to see if this is our interrupt. If it isn't just return */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) if (intstat & mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (intstat & PrintfReady) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) aac_printf(dev, sa_readl(dev, Mailbox5));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) sa_writew(dev, DoorbellClrReg_p, PrintfReady); /* clear PrintfReady */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) sa_writew(dev, DoorbellReg_s, PrintfDone);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) } else if (intstat & DOORBELL_1) { // dev -> Host Normal Command Ready
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) sa_writew(dev, DoorbellClrReg_p, DOORBELL_1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) } else if (intstat & DOORBELL_2) { // dev -> Host Normal Response Ready
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) sa_writew(dev, DoorbellClrReg_p, DOORBELL_2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) } else if (intstat & DOORBELL_3) { // dev -> Host Normal Command Not Full
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) sa_writew(dev, DoorbellClrReg_p, DOORBELL_3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) } else if (intstat & DOORBELL_4) { // dev -> Host Normal Response Not Full
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) sa_writew(dev, DoorbellClrReg_p, DOORBELL_4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) return IRQ_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * aac_sa_disable_interrupt - disable interrupt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * @dev: Which adapter to enable.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static void aac_sa_disable_interrupt (struct aac_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) * aac_sa_enable_interrupt - enable interrupt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) * @dev: Which adapter to enable.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static void aac_sa_enable_interrupt (struct aac_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, (PrintfReady | DOORBELL_1 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) DOORBELL_2 | DOORBELL_3 | DOORBELL_4));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) * aac_sa_notify_adapter - handle adapter notification
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) * @dev: Adapter that notification is for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * @event: Event to notidy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) * Notify the adapter of an event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static void aac_sa_notify_adapter(struct aac_dev *dev, u32 event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) case AdapNormCmdQue:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) sa_writew(dev, DoorbellReg_s,DOORBELL_1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) case HostNormRespNotFull:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) sa_writew(dev, DoorbellReg_s,DOORBELL_4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) case AdapNormRespQue:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) sa_writew(dev, DoorbellReg_s,DOORBELL_2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) case HostNormCmdNotFull:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) sa_writew(dev, DoorbellReg_s,DOORBELL_3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) case HostShutdown:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) sa_sync_cmd(dev, HOST_CRASHING, 0, 0, 0, 0, 0, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) NULL, NULL, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) case FastIo:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) sa_writew(dev, DoorbellReg_s,DOORBELL_6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) case AdapPrintfDone:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) sa_writew(dev, DoorbellReg_s,DOORBELL_5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) BUG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) * sa_sync_cmd - send a command and wait
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) * @dev: Adapter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * @command: Command to execute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) * @p1: first parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * @p2: second parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * @p3: third parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) * @p4: forth parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) * @p5: fifth parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) * @p6: sixth parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) * @ret: adapter status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) * @r1: first return value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) * @r2: second return value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) * @r3: third return value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) * @r4: forth return value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) * This routine will send a synchronous command to the adapter and wait
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) * for its completion.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) static int sa_sync_cmd(struct aac_dev *dev, u32 command,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) u32 *ret, u32 *r1, u32 *r2, u32 *r3, u32 *r4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) unsigned long start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) int ok;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) * Write the Command into Mailbox 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) sa_writel(dev, Mailbox0, command);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) * Write the parameters into Mailboxes 1 - 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) sa_writel(dev, Mailbox1, p1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) sa_writel(dev, Mailbox2, p2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) sa_writel(dev, Mailbox3, p3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) sa_writel(dev, Mailbox4, p4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) * Clear the synch command doorbell to start on a clean slate.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) sa_writew(dev, DoorbellClrReg_p, DOORBELL_0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) * Signal that there is a new synch command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) sa_writew(dev, DoorbellReg_s, DOORBELL_0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) ok = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) start = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) while(time_before(jiffies, start+30*HZ))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * Delay 5uS so that the monitor gets access
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) udelay(5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) * Mon110 will set doorbell0 bit when it has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) * completed the command.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if(sa_readw(dev, DoorbellReg_p) & DOORBELL_0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) ok = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) msleep(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) if (ok != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) return -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) * Clear the synch command doorbell.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) sa_writew(dev, DoorbellClrReg_p, DOORBELL_0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) * Pull the synch status from Mailbox 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) *ret = sa_readl(dev, Mailbox0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (r1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) *r1 = sa_readl(dev, Mailbox1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) if (r2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) *r2 = sa_readl(dev, Mailbox2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (r3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) *r3 = sa_readl(dev, Mailbox3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) if (r4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) *r4 = sa_readl(dev, Mailbox4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) * aac_sa_interrupt_adapter - interrupt an adapter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) * @dev: Which adapter to enable.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) * Breakpoint an adapter.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) static void aac_sa_interrupt_adapter (struct aac_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) sa_sync_cmd(dev, BREAKPOINT_REQUEST, 0, 0, 0, 0, 0, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) NULL, NULL, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) * aac_sa_start_adapter - activate adapter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) * @dev: Adapter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) * Start up processing on an ARM based AAC adapter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) static void aac_sa_start_adapter(struct aac_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) union aac_init *init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) * Fill in the remaining pieces of the init.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) init = dev->init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) init->r7.host_elapsed_seconds = cpu_to_le32(ktime_get_real_seconds());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) /* We can only use a 32 bit address here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) sa_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) (u32)(ulong)dev->init_pa, 0, 0, 0, 0, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) NULL, NULL, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) static int aac_sa_restart_adapter(struct aac_dev *dev, int bled, u8 reset_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) * aac_sa_check_health
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) * @dev: device to check if healthy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) * Will attempt to determine if the specified adapter is alive and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) * capable of handling requests, returning 0 if alive.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) static int aac_sa_check_health(struct aac_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) long status = sa_readl(dev, Mailbox7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) * Check to see if the board failed any self tests.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) if (status & SELF_TEST_FAILED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) * Check to see if the board panic'd while booting.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) if (status & KERNEL_PANIC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) return -2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) * Wait for the adapter to be up and running. Wait up to 3 minutes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) if (!(status & KERNEL_UP_AND_RUNNING))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) return -3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) * Everything is OK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) * aac_sa_ioremap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) * @dev: device to ioremap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) * @size: mapping resize request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) static int aac_sa_ioremap(struct aac_dev * dev, u32 size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) if (!size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) iounmap(dev->regs.sa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) dev->base = dev->regs.sa = ioremap(dev->base_start, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) return (dev->base == NULL) ? -1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) * aac_sa_init - initialize an ARM based AAC card
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) * @dev: device to configure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) * Allocate and set up resources for the ARM based AAC variants. The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) * device_interface in the commregion will be allocated and linked
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) * to the comm region.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) int aac_sa_init(struct aac_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) unsigned long start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) unsigned long status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) int instance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) instance = dev->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) name = dev->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) * Fill in the function dispatch table.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) dev->a_ops.adapter_interrupt = aac_sa_interrupt_adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) dev->a_ops.adapter_disable_int = aac_sa_disable_interrupt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) dev->a_ops.adapter_enable_int = aac_sa_enable_interrupt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) dev->a_ops.adapter_notify = aac_sa_notify_adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) dev->a_ops.adapter_sync_cmd = sa_sync_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) dev->a_ops.adapter_check_health = aac_sa_check_health;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) dev->a_ops.adapter_restart = aac_sa_restart_adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) dev->a_ops.adapter_start = aac_sa_start_adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) dev->a_ops.adapter_intr = aac_sa_intr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) dev->a_ops.adapter_deliver = aac_rx_deliver_producer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) dev->a_ops.adapter_ioremap = aac_sa_ioremap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) if (aac_sa_ioremap(dev, dev->base_size)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) printk(KERN_WARNING "%s: unable to map adapter.\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) goto error_iounmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) * Check to see if the board failed any self tests.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) if (sa_readl(dev, Mailbox7) & SELF_TEST_FAILED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) printk(KERN_WARNING "%s%d: adapter self-test failed.\n", name, instance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) goto error_iounmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) * Check to see if the board panic'd while booting.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) if (sa_readl(dev, Mailbox7) & KERNEL_PANIC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) printk(KERN_WARNING "%s%d: adapter kernel panic'd.\n", name, instance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) goto error_iounmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) start = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) * Wait for the adapter to be up and running. Wait up to 3 minutes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) while (!(sa_readl(dev, Mailbox7) & KERNEL_UP_AND_RUNNING)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) if (time_after(jiffies, start+startup_timeout*HZ)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) status = sa_readl(dev, Mailbox7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) printk(KERN_WARNING "%s%d: adapter kernel failed to start, init status = %lx.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) name, instance, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) goto error_iounmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) msleep(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) * First clear out all interrupts. Then enable the one's that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) * we can handle.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) aac_adapter_disable_int(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) aac_adapter_enable_int(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) if(aac_init_adapter(dev) == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) goto error_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) dev->sync_mode = 0; /* sync. mode not supported */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) IRQF_SHARED, "aacraid", (void *)dev) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) printk(KERN_WARNING "%s%d: Interrupt unavailable.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) name, instance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) goto error_iounmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) dev->dbg_base = dev->base_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) dev->dbg_base_mapped = dev->base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) dev->dbg_size = dev->base_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) aac_adapter_enable_int(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) * Tell the adapter that all is configure, and it can start
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) * accepting requests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) aac_sa_start_adapter(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) error_irq:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) aac_sa_disable_interrupt(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) free_irq(dev->pdev->irq, (void *)dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) error_iounmap:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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