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freebsd-skq/sys/dev/qlxgb/qla_misc.c
Dimitry Andric 7c864d7df9 In sys/dev/qlxgb/qla_misc.c, fix a copy/paste issue. Clang complained 
the variable 'val' was uninitialized when used.  Instead, 'sig' should
have been printed.

Reviewed by:	davidcs
MFC after:	1 week
2012-01-03 20:51:26 +00:00

625 lines
16 KiB
C
Raw Blame History

/*
* Copyright (c) 2010-2011 Qlogic Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* File : qla_misc.c
* Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "qla_os.h"
#include "qla_reg.h"
#include "qla_hw.h"
#include "qla_def.h"
#include "qla_reg.h"
#include "qla_inline.h"
#include "qla_glbl.h"
#include "qla_dbg.h"
/*
* structure encapsulating the value to read/write to offchip memory
*/
typedef struct _offchip_mem_val {
uint32_t data_lo;
uint32_t data_hi;
uint32_t data_ulo;
uint32_t data_uhi;
} offchip_mem_val_t;
#define Q8_ADDR_UNDEFINED 0xFFFFFFFF
/*
* The index to this table is Bits 20-27 of the indirect register address
*/
static uint32_t indirect_to_base_map[] =
{
Q8_ADDR_UNDEFINED, /* 0x00 */
0x77300000, /* 0x01 */
0x29500000, /* 0x02 */
0x2A500000, /* 0x03 */
Q8_ADDR_UNDEFINED, /* 0x04 */
0x0D000000, /* 0x05 */
0x1B100000, /* 0x06 */
0x0E600000, /* 0x07 */
0x0E000000, /* 0x08 */
0x0E100000, /* 0x09 */
0x0E200000, /* 0x0A */
0x0E300000, /* 0x0B */
0x42000000, /* 0x0C */
0x41700000, /* 0x0D */
0x42100000, /* 0x0E */
0x34B00000, /* 0x0F */
0x40500000, /* 0x10 */
0x34000000, /* 0x11 */
0x34100000, /* 0x12 */
0x34200000, /* 0x13 */
0x34300000, /* 0x14 */
0x34500000, /* 0x15 */
0x34400000, /* 0x16 */
0x3C000000, /* 0x17 */
0x3C100000, /* 0x18 */
0x3C200000, /* 0x19 */
0x3C300000, /* 0x1A */
Q8_ADDR_UNDEFINED, /* 0x1B */
0x3C400000, /* 0x1C */
0x41000000, /* 0x1D */
Q8_ADDR_UNDEFINED, /* 0x1E */
0x0D100000, /* 0x1F */
Q8_ADDR_UNDEFINED, /* 0x20 */
0x77300000, /* 0x21 */
0x41600000, /* 0x22 */
Q8_ADDR_UNDEFINED, /* 0x23 */
Q8_ADDR_UNDEFINED, /* 0x24 */
Q8_ADDR_UNDEFINED, /* 0x25 */
Q8_ADDR_UNDEFINED, /* 0x26 */
Q8_ADDR_UNDEFINED, /* 0x27 */
0x41700000, /* 0x28 */
Q8_ADDR_UNDEFINED, /* 0x29 */
0x08900000, /* 0x2A */
0x70A00000, /* 0x2B */
0x70B00000, /* 0x2C */
0x70C00000, /* 0x2D */
0x08D00000, /* 0x2E */
0x08E00000, /* 0x2F */
0x70F00000, /* 0x30 */
0x40500000, /* 0x31 */
0x42000000, /* 0x32 */
0x42100000, /* 0x33 */
Q8_ADDR_UNDEFINED, /* 0x34 */
0x08800000, /* 0x35 */
0x09100000, /* 0x36 */
0x71200000, /* 0x37 */
0x40600000, /* 0x38 */
Q8_ADDR_UNDEFINED, /* 0x39 */
0x71800000, /* 0x3A */
0x19900000, /* 0x3B */
0x1A900000, /* 0x3C */
Q8_ADDR_UNDEFINED, /* 0x3D */
0x34600000, /* 0x3E */
Q8_ADDR_UNDEFINED, /* 0x3F */
};
/*
* Address Translation Table for CRB to offsets from PCI BAR0
*/
typedef struct _crb_to_pci {
uint32_t crb_addr;
uint32_t pci_addr;
} crb_to_pci_t;
static crb_to_pci_t crbinit_to_pciaddr[] = {
{(0x088 << 20), (0x035 << 20)},
{(0x089 << 20), (0x02A << 20)},
{(0x08D << 20), (0x02E << 20)},
{(0x08E << 20), (0x02F << 20)},
{(0x0C6 << 20), (0x023 << 20)},
{(0x0C7 << 20), (0x024 << 20)},
{(0x0C8 << 20), (0x025 << 20)},
{(0x0D0 << 20), (0x005 << 20)},
{(0x0D1 << 20), (0x01F << 20)},
{(0x0E0 << 20), (0x008 << 20)},
{(0x0E1 << 20), (0x009 << 20)},
{(0x0E2 << 20), (0x00A << 20)},
{(0x0E3 << 20), (0x00B << 20)},
{(0x0E6 << 20), (0x007 << 20)},
{(0x199 << 20), (0x03B << 20)},
{(0x1B1 << 20), (0x006 << 20)},
{(0x295 << 20), (0x002 << 20)},
{(0x29A << 20), (0x000 << 20)},
{(0x2A5 << 20), (0x003 << 20)},
{(0x340 << 20), (0x011 << 20)},
{(0x341 << 20), (0x012 << 20)},
{(0x342 << 20), (0x013 << 20)},
{(0x343 << 20), (0x014 << 20)},
{(0x344 << 20), (0x016 << 20)},
{(0x345 << 20), (0x015 << 20)},
{(0x3C0 << 20), (0x017 << 20)},
{(0x3C1 << 20), (0x018 << 20)},
{(0x3C2 << 20), (0x019 << 20)},
{(0x3C3 << 20), (0x01A << 20)},
{(0x3C4 << 20), (0x01C << 20)},
{(0x3C5 << 20), (0x01B << 20)},
{(0x405 << 20), (0x031 << 20)},
{(0x406 << 20), (0x038 << 20)},
{(0x410 << 20), (0x01D << 20)},
{(0x416 << 20), (0x022 << 20)},
{(0x417 << 20), (0x028 << 20)},
{(0x420 << 20), (0x032 << 20)},
{(0x421 << 20), (0x033 << 20)},
{(0x700 << 20), (0x00C << 20)},
{(0x701 << 20), (0x00D << 20)},
{(0x702 << 20), (0x00E << 20)},
{(0x703 << 20), (0x00F << 20)},
{(0x704 << 20), (0x010 << 20)},
{(0x70A << 20), (0x02B << 20)},
{(0x70B << 20), (0x02C << 20)},
{(0x70C << 20), (0x02D << 20)},
{(0x70F << 20), (0x030 << 20)},
{(0x718 << 20), (0x03A << 20)},
{(0x758 << 20), (0x026 << 20)},
{(0x759 << 20), (0x027 << 20)},
{(0x773 << 20), (0x001 << 20)}
};
#define Q8_INVALID_ADDRESS (-1)
#define Q8_ADDR_MASK (0xFFF << 20)
typedef struct _addr_val {
uint32_t addr;
uint32_t value;
uint32_t pci_addr;
uint32_t ind_addr;
} addr_val_t;
/*
* Name: qla_rdwr_indreg32
* Function: Read/Write an Indirect Register
*/
int
qla_rdwr_indreg32(qla_host_t *ha, uint32_t addr, uint32_t *val, uint32_t rd)
{
uint32_t offset;
int count = 100;
offset = (addr & 0xFFF00000) >> 20;
if (offset > 0x3F) {
device_printf(ha->pci_dev, "%s: invalid addr 0x%08x\n",
__func__, addr);
return -1;
}
offset = indirect_to_base_map[offset];
if (offset == Q8_ADDR_UNDEFINED) {
device_printf(ha->pci_dev, "%s: undefined map 0x%08x\n",
__func__, addr);
return -1;
}
offset = offset | (addr & 0x000F0000);
if (qla_sem_lock(ha, Q8_SEM7_LOCK, 0, 0)) {
device_printf(ha->pci_dev, "%s: SEM7_LOCK failed\n", __func__);
return (-1);
}
WRITE_OFFSET32(ha, Q8_CRB_WINDOW_2M, offset);
while (offset != (READ_OFFSET32(ha, Q8_CRB_WINDOW_2M))) {
count--;
if (!count) {
qla_sem_unlock(ha, Q8_SEM7_UNLOCK);
return -1;
}
qla_mdelay(__func__, 1);
}
if (rd) {
*val = READ_OFFSET32(ha, ((addr & 0xFFFF) | 0x1E0000));
} else {
WRITE_OFFSET32(ha, ((addr & 0xFFFF) | 0x1E0000), *val);
}
qla_sem_unlock(ha, Q8_SEM7_UNLOCK);
return 0;
}
/*
* Name: qla_rdwr_offchip_mem
* Function: Read/Write OffChip Memory
*/
static int
qla_rdwr_offchip_mem(qla_host_t *ha, uint64_t addr, offchip_mem_val_t *val,
uint32_t rd)
{
uint32_t count = 100;
uint32_t data;
WRITE_OFFSET32(ha, Q8_MIU_TEST_AGT_ADDR_LO, (uint32_t)addr);
WRITE_OFFSET32(ha, Q8_MIU_TEST_AGT_ADDR_HI, (uint32_t)(addr >> 32));
if (!rd) {
WRITE_OFFSET32(ha, Q8_MIU_TEST_AGT_WRDATA_LO, val->data_lo);
WRITE_OFFSET32(ha, Q8_MIU_TEST_AGT_WRDATA_HI, val->data_hi);
WRITE_OFFSET32(ha, Q8_MIU_TEST_AGT_WRDATA_ULO, val->data_ulo);
WRITE_OFFSET32(ha, Q8_MIU_TEST_AGT_WRDATA_UHI, val->data_uhi);
WRITE_OFFSET32(ha, Q8_MIU_TEST_AGT_CTRL, 0x07); /* Write */
} else {
WRITE_OFFSET32(ha, Q8_MIU_TEST_AGT_CTRL, 0x03); /* Read */
}
while (count--) {
data = READ_OFFSET32(ha, Q8_MIU_TEST_AGT_CTRL);
if (!(data & BIT_3)) {
if (rd) {
val->data_lo = READ_OFFSET32(ha, \
Q8_MIU_TEST_AGT_RDDATA_LO);
val->data_hi = READ_OFFSET32(ha, \
Q8_MIU_TEST_AGT_RDDATA_HI);
val->data_ulo = READ_OFFSET32(ha, \
Q8_MIU_TEST_AGT_RDDATA_ULO);
val->data_uhi = READ_OFFSET32(ha, \
Q8_MIU_TEST_AGT_RDDATA_UHI);
}
return 0;
} else
qla_mdelay(__func__, 1);
}
device_printf(ha->pci_dev, "%s: failed[0x%08x]\n", __func__, data);
return (-1);
}
/*
* Name: qla_rd_flash32
* Function: Read Flash Memory
*/
int
qla_rd_flash32(qla_host_t *ha, uint32_t addr, uint32_t *data)
{
uint32_t val;
uint32_t count = 100;
if (qla_sem_lock(ha, Q8_SEM2_LOCK, 0, 0)) {
device_printf(ha->pci_dev, "%s: SEM2_LOCK failed\n", __func__);
return (-1);
}
WRITE_OFFSET32(ha, Q8_ROM_LOCKID, 0xa5a5a5a5);
val = addr;
qla_rdwr_indreg32(ha, Q8_ROM_ADDRESS, &val, 0);
val = 0;
qla_rdwr_indreg32(ha, Q8_ROM_DUMMY_BYTE_COUNT, &val, 0);
val = 3;
qla_rdwr_indreg32(ha, Q8_ROM_ADDR_BYTE_COUNT, &val, 0);
QLA_USEC_DELAY(100);
val = ROM_OPCODE_FAST_RD;
qla_rdwr_indreg32(ha, Q8_ROM_INSTR_OPCODE, &val, 0);
while (!((val = READ_OFFSET32(ha, Q8_ROM_STATUS)) & BIT_1)) {
count--;
if (!count) {
qla_sem_unlock(ha, Q8_SEM7_UNLOCK);
return -1;
}
}
val = 0;
qla_rdwr_indreg32(ha, Q8_ROM_DUMMY_BYTE_COUNT, &val, 0);
qla_rdwr_indreg32(ha, Q8_ROM_ADDR_BYTE_COUNT, &val, 0);
QLA_USEC_DELAY(100);
qla_rdwr_indreg32(ha, Q8_ROM_RD_DATA, data, 1);
qla_sem_unlock(ha, Q8_SEM2_UNLOCK);
return 0;
}
/*
* Name: qla_int_to_pci_addr_map
* Function: Convert's Internal(CRB) Address to Indirect Address
*/
static uint32_t
qla_int_to_pci_addr_map(qla_host_t *ha, uint32_t int_addr)
{
uint32_t crb_to_pci_table_size, i;
uint32_t addr;
crb_to_pci_table_size = sizeof(crbinit_to_pciaddr)/sizeof(crb_to_pci_t);
addr = int_addr & Q8_ADDR_MASK;
for (i = 0; i < crb_to_pci_table_size; i++) {
if (crbinit_to_pciaddr[i].crb_addr == addr) {
addr = (int_addr & ~Q8_ADDR_MASK) |
crbinit_to_pciaddr[i].pci_addr;
return (addr);
}
}
return (Q8_INVALID_ADDRESS);
}
/*
* Name: qla_filter_pci_addr
* Function: Filter's out Indirect Addresses which are not writeable
*/
static uint32_t
qla_filter_pci_addr(qla_host_t *ha, uint32_t addr)
{
if ((addr == Q8_INVALID_ADDRESS) ||
(addr == 0x00112040) ||
(addr == 0x00112048) ||
((addr & 0xFFFF0FFF) == 0x001100C4) ||
((addr & 0xFFFF0FFF) == 0x001100C8) ||
((addr & 0x0FF00000) == 0x00200000) ||
(addr == 0x022021FC) ||
(addr == 0x0330001C) ||
(addr == 0x03300024) ||
(addr == 0x033000A8) ||
(addr == 0x033000C8) ||
(addr == 0x033000BC) ||
((addr & 0x0FF00000) == 0x03A00000) ||
(addr == 0x03B0001C))
return (Q8_INVALID_ADDRESS);
else
return (addr);
}
/*
* Name: qla_crb_init
* Function: CRB Initialization - first step in the initialization after reset
* Essentially reads the address/value pairs from address = 0x00 and
* writes the value into address in the addr/value pair.
*/
static int
qla_crb_init(qla_host_t *ha)
{
uint32_t val, sig;
uint32_t offset, count, i;
addr_val_t *addr_val_map, *avmap;
qla_rd_flash32(ha, 0, &sig);
QL_DPRINT2((ha->pci_dev, "%s: val[0] = 0x%08x\n", __func__, sig));
qla_rd_flash32(ha, 4, &val);
QL_DPRINT2((ha->pci_dev, "%s: val[4] = 0x%08x\n", __func__, val));
count = val >> 16;
offset = val & 0xFFFF;
offset = offset << 2;
QL_DPRINT2((ha->pci_dev, "%s: [sig,val]=[0x%08x, 0x%08x] %d pairs\n",
__func__, sig, val, count));
addr_val_map = avmap = malloc((sizeof(addr_val_t) * count),
M_QLA8XXXBUF, M_NOWAIT);
if (addr_val_map == NULL) {
device_printf(ha->pci_dev, "%s: malloc failed\n", __func__);
return (-1);
}
memset(avmap, 0, (sizeof(addr_val_t) * count));
count = count << 1;
for (i = 0; i < count; ) {
qla_rd_flash32(ha, (offset + (i * 4)), &avmap->value);
i++;
qla_rd_flash32(ha, (offset + (i * 4)), &avmap->addr);
i++;
avmap->pci_addr = qla_int_to_pci_addr_map(ha, avmap->addr);
avmap->ind_addr = qla_filter_pci_addr(ha, avmap->pci_addr);
QL_DPRINT2((ha->pci_dev,
"%s: [0x%02x][0x%08x:0x%08x:0x%08x] 0x%08x\n",
__func__, (i >> 1), avmap->addr, avmap->pci_addr,
avmap->ind_addr, avmap->value));
if (avmap->ind_addr != Q8_INVALID_ADDRESS) {
qla_rdwr_indreg32(ha, avmap->ind_addr, &avmap->value,0);
qla_mdelay(__func__, 1);
}
avmap++;
}
free (addr_val_map, M_QLA8XXXBUF);
return (0);
}
/*
* Name: qla_init_peg_regs
* Function: Protocol Engine Register Initialization
*/
static void
qla_init_peg_regs(qla_host_t *ha)
{
WRITE_OFFSET32(ha, Q8_PEG_D_RESET1, 0x001E);
WRITE_OFFSET32(ha, Q8_PEG_D_RESET2, 0x0008);
WRITE_OFFSET32(ha, Q8_PEG_I_RESET, 0x0008);
WRITE_OFFSET32(ha, Q8_PEG_0_CLR1, 0x0000);
WRITE_OFFSET32(ha, Q8_PEG_0_CLR2, 0x0000);
WRITE_OFFSET32(ha, Q8_PEG_1_CLR1, 0x0000);
WRITE_OFFSET32(ha, Q8_PEG_1_CLR2, 0x0000);
WRITE_OFFSET32(ha, Q8_PEG_2_CLR1, 0x0000);
WRITE_OFFSET32(ha, Q8_PEG_2_CLR2, 0x0000);
WRITE_OFFSET32(ha, Q8_PEG_3_CLR1, 0x0000);
WRITE_OFFSET32(ha, Q8_PEG_3_CLR2, 0x0000);
WRITE_OFFSET32(ha, Q8_PEG_4_CLR1, 0x0000);
WRITE_OFFSET32(ha, Q8_PEG_4_CLR2, 0x0000);
}
/*
* Name: qla_load_fw_from_flash
* Function: Reads the Bootloader from Flash and Loads into Offchip Memory
*/
static void
qla_load_fw_from_flash(qla_host_t *ha)
{
uint64_t mem_off = 0x10000;
uint32_t flash_off = 0x10000;
uint32_t count;
offchip_mem_val_t val;
/* only bootloader needs to be loaded into memory */
for (count = 0; count < 0x20000 ; ) {
qla_rd_flash32(ha, flash_off, &val.data_lo);
count = count + 4;
flash_off = flash_off + 4;
qla_rd_flash32(ha, flash_off, &val.data_hi);
count = count + 4;
flash_off = flash_off + 4;
qla_rd_flash32(ha, flash_off, &val.data_ulo);
count = count + 4;
flash_off = flash_off + 4;
qla_rd_flash32(ha, flash_off, &val.data_uhi);
count = count + 4;
flash_off = flash_off + 4;
qla_rdwr_offchip_mem(ha, mem_off, &val, 0);
mem_off = mem_off + 16;
}
return;
}
/*
* Name: qla_init_from_flash
* Function: Performs Initialization which consists of the following sequence
* - reset
* - CRB Init
* - Peg Init
* - Read the Bootloader from Flash and Load into Offchip Memory
* - Kick start the bootloader which loads the rest of the firmware
* and performs the remaining steps in the initialization process.
*/
static int
qla_init_from_flash(qla_host_t *ha)
{
uint32_t delay = 300;
uint32_t data;
qla_hw_reset(ha);
qla_mdelay(__func__, 100);
qla_crb_init(ha);
qla_mdelay(__func__, 10);
qla_init_peg_regs(ha);
qla_mdelay(__func__, 10);
qla_load_fw_from_flash(ha);
WRITE_OFFSET32(ha, Q8_CMDPEG_STATE, 0x00000000);
WRITE_OFFSET32(ha, Q8_PEG_0_RESET, 0x00001020);
WRITE_OFFSET32(ha, Q8_ASIC_RESET, 0x0080001E);
qla_mdelay(__func__, 100);
do {
data = READ_OFFSET32(ha, Q8_CMDPEG_STATE);
QL_DPRINT2((ha->pci_dev, "%s: func[%d] cmdpegstate 0x%08x\n",
__func__, ha->pci_func, data));
if (data == CMDPEG_PHAN_INIT_COMPLETE) {
QL_DPRINT2((ha->pci_dev,
"%s: func[%d] init complete\n",
__func__, ha->pci_func));
return(0);
}
qla_mdelay(__func__, 100);
} while (delay--);
device_printf(ha->pci_dev,
"%s: func[%d] Q8_PEG_HALT_STATUS1[0x%08x] STATUS2[0x%08x]"
" HEARTBEAT[0x%08x] RCVPEG_STATE[0x%08x]"
" CMDPEG_STATE[0x%08x]\n",
__func__, ha->pci_func,
(READ_OFFSET32(ha, Q8_PEG_HALT_STATUS1)),
(READ_OFFSET32(ha, Q8_PEG_HALT_STATUS2)),
(READ_OFFSET32(ha, Q8_FIRMWARE_HEARTBEAT)),
(READ_OFFSET32(ha, Q8_RCVPEG_STATE)), data);
return (-1);
}
/*
* Name: qla_init_hw
* Function: Initializes P3+ hardware.
*/
int
qla_init_hw(qla_host_t *ha)
{
device_t dev;
int ret = 0;
uint32_t val, delay = 300;
dev = ha->pci_dev;
QL_DPRINT1((dev, "%s: enter\n", __func__));
qla_mdelay(__func__, 100);
if (ha->pci_func & 0x1) {
while ((ha->pci_func & 0x1) && delay--) {
val = READ_OFFSET32(ha, Q8_CMDPEG_STATE);
if (val == CMDPEG_PHAN_INIT_COMPLETE) {
QL_DPRINT2((dev,
"%s: func = %d init complete\n",
__func__, ha->pci_func));
qla_mdelay(__func__, 100);
goto qla_init_exit;
}
qla_mdelay(__func__, 100);
}
return (-1);
}
val = READ_OFFSET32(ha, Q8_CMDPEG_STATE);
if (val != CMDPEG_PHAN_INIT_COMPLETE) {
ret = qla_init_from_flash(ha);
qla_mdelay(__func__, 100);
}
qla_init_exit:
ha->fw_ver_major = READ_OFFSET32(ha, Q8_FW_VER_MAJOR);
ha->fw_ver_minor = READ_OFFSET32(ha, Q8_FW_VER_MINOR);
ha->fw_ver_sub = READ_OFFSET32(ha, Q8_FW_VER_SUB);
ha->fw_ver_build = READ_OFFSET32(ha, Q8_FW_VER_BUILD);
return (ret);
}
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