/*
* 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 2008 NetXen, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/types.h>
#include <sys/conf.h>
#include <sys/debug.h>
#include <sys/stropts.h>
#include <sys/stream.h>
#include <sys/strlog.h>
#include <sys/kmem.h>
#include <sys/stat.h>
#include <sys/kstat.h>
#include <sys/vtrace.h>
#include <sys/dlpi.h>
#include <sys/strsun.h>
#include <sys/ethernet.h>
#include <sys/modctl.h>
#include <sys/errno.h>
#include <sys/dditypes.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/sysmacros.h>
#include <sys/pci.h>
#include "unm_nic.h"
#include "unm_nic_hw.h"
#include "nic_cmn.h"
#include "unm_nic_ioctl.h"
#include "nic_phan_reg.h"
struct crb_addr_pair {
long addr, data;
};
#define MAX_CRB_XFORM 60
#define ADDR_ERROR ((unsigned long)0xffffffff)
#define crb_addr_transform(name) \
crb_addr_xform[UNM_HW_PX_MAP_CRB_##name] = \
UNM_HW_CRB_HUB_AGT_ADR_##name << 20
static unsigned int crb_addr_xform[MAX_CRB_XFORM];
static void
crb_addr_transform_setup(void)
{
crb_addr_transform(XDMA);
crb_addr_transform(TIMR);
crb_addr_transform(SRE);
crb_addr_transform(SQN3);
crb_addr_transform(SQN2);
crb_addr_transform(SQN1);
crb_addr_transform(SQN0);
crb_addr_transform(SQS3);
crb_addr_transform(SQS2);
crb_addr_transform(SQS1);
crb_addr_transform(SQS0);
crb_addr_transform(RPMX7);
crb_addr_transform(RPMX6);
crb_addr_transform(RPMX5);
crb_addr_transform(RPMX4);
crb_addr_transform(RPMX3);
crb_addr_transform(RPMX2);
crb_addr_transform(RPMX1);
crb_addr_transform(RPMX0);
crb_addr_transform(ROMUSB);
crb_addr_transform(SN);
crb_addr_transform(QMN);
crb_addr_transform(QMS);
crb_addr_transform(PGNI);
crb_addr_transform(PGND);
crb_addr_transform(PGN3);
crb_addr_transform(PGN2);
crb_addr_transform(PGN1);
crb_addr_transform(PGN0);
crb_addr_transform(PGSI);
crb_addr_transform(PGSD);
crb_addr_transform(PGS3);
crb_addr_transform(PGS2);
crb_addr_transform(PGS1);
crb_addr_transform(PGS0);
crb_addr_transform(PS);
crb_addr_transform(PH);
crb_addr_transform(NIU);
crb_addr_transform(I2Q);
crb_addr_transform(EG);
crb_addr_transform(MN);
crb_addr_transform(MS);
crb_addr_transform(CAS2);
crb_addr_transform(CAS1);
crb_addr_transform(CAS0);
crb_addr_transform(CAM);
crb_addr_transform(C2C1);
crb_addr_transform(C2C0);
crb_addr_transform(SMB);
crb_addr_transform(OCM0);
/*
* Used only in P3 just define it for P2 also.
*/
crb_addr_transform(I2C0);
}
/*
* decode_crb_addr(0 - utility to translate from internal Phantom CRB address
* to external PCI CRB address.
*/
static unsigned long
decode_crb_addr(unsigned long addr)
{
int i;
unsigned long base_addr, offset, pci_base;
crb_addr_transform_setup();
pci_base = ADDR_ERROR;
base_addr = addr & 0xfff00000;
offset = addr & 0x000fffff;
for (i = 0; i < MAX_CRB_XFORM; i++) {
if (crb_addr_xform[i] == base_addr) {
pci_base = i << 20;
break;
}
}
if (pci_base == ADDR_ERROR) {
return (pci_base);
} else {
return (pci_base + offset);
}
}
static long rom_max_timeout = 100;
static long rom_lock_timeout = 10000;
static int
rom_lock(unm_adapter *adapter)
{
uint32_t done = 0;
long timeout = 0;
while (!done) {
/* acquire semaphore2 from PCI HW block */
unm_nic_read_w0(adapter, UNM_PCIE_REG(PCIE_SEM2_LOCK), &done);
if (done == 1)
break;
if (timeout >= rom_lock_timeout) {
cmn_err(CE_WARN, "%s%d rom_lock timed out %d %ld\n",
adapter->name, adapter->instance, done, timeout);
return (-1);
}
timeout++;
}
unm_nic_reg_write(adapter, UNM_ROM_LOCK_ID, ROM_LOCK_DRIVER);
return (0);
}
static void
rom_unlock(unm_adapter *adapter)
{
uint32_t val;
/* release semaphore2 */
unm_nic_read_w0(adapter, UNM_PCIE_REG(PCIE_SEM2_UNLOCK), &val);
}
static int
wait_rom_done(unm_adapter *adapter)
{
long timeout = 0;
long done = 0;
while (done == 0) {
unm_nic_reg_read(adapter, UNM_ROMUSB_GLB_STATUS, &done);
done &= 2;
timeout++;
if (timeout >= rom_max_timeout) {
cmn_err(CE_WARN,
"Timeout reached waiting for rom done");
return (-1);
}
}
return (0);
}
static int
do_rom_fast_read(unm_adapter *adapter, int addr, int *valp)
{
unm_nic_reg_write(adapter, UNM_ROMUSB_ROM_ADDRESS, addr);
unm_nic_reg_write(adapter, UNM_ROMUSB_ROM_ABYTE_CNT, 3);
drv_usecwait(100); /* prevent bursting on CRB */
unm_nic_reg_write(adapter, UNM_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
unm_nic_reg_write(adapter, UNM_ROMUSB_ROM_INSTR_OPCODE, 0xb);
if (wait_rom_done(adapter) != DDI_SUCCESS) {
cmn_err(CE_WARN, "Error waiting for rom done\n");
return (-1);
}
// reset abyte_cnt and dummy_byte_cnt
unm_nic_reg_write(adapter, UNM_ROMUSB_ROM_ABYTE_CNT, 0);
drv_usecwait(100); /* prevent bursting on CRB */
unm_nic_reg_write(adapter, UNM_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
unm_nic_reg_read(adapter, UNM_ROMUSB_ROM_RDATA, valp);
return (0);
}
int
rom_fast_read(struct unm_adapter_s *adapter, int addr, int *valp)
{
int ret;
if (rom_lock(adapter) != 0) {
cmn_err(CE_WARN, "%s(%d)rom_lock failed\n",
__FUNCTION__, __LINE__);
return (-1);
}
ret = do_rom_fast_read(adapter, addr, valp);
if (ret != 0) {
cmn_err(CE_WARN, "%s do_rom_fast_read returned: %d\n",
__FUNCTION__, __LINE__);
return (-1);
}
rom_unlock(adapter);
return (ret);
}
int
pinit_from_rom(struct unm_adapter_s *adapter, int verbose)
{
int addr, val, status, i, init_delay = 0, n;
struct crb_addr_pair *buf;
unsigned long off;
unsigned int offset;
status = unm_nic_get_board_info(adapter);
if (status)
cmn_err(CE_WARN, "%s: pinit_from_rom: Error getting brdinfo\n",
unm_nic_driver_name);
UNM_CRB_WRITELIT_ADAPTER(UNM_ROMUSB_GLB_SW_RESET, 0xffffffff, adapter);
if (verbose) {
int val;
if (rom_fast_read(adapter, 0x4008, &val) == 0)
cmn_err(CE_WARN, "P2 ROM board type: 0x%08x\n", val);
else
cmn_err(CE_WARN, "Could not read board type\n");
if (rom_fast_read(adapter, 0x400c, &val) == 0)
cmn_err(CE_WARN, "ROM board num: 0x%08x\n", val);
else
cmn_err(CE_WARN, "Could not read board number\n");
if (rom_fast_read(adapter, 0x4010, &val) == 0)
cmn_err(CE_WARN, "ROM chip num: 0x%08x\n", val);
else
cmn_err(CE_WARN, "Could not read chip number\n");
}
if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
if (rom_fast_read(adapter, 0, &n) != 0 ||
(unsigned int)n != 0xcafecafe ||
rom_fast_read(adapter, 4, &n) != 0) {
cmn_err(CE_WARN, "%s: ERROR Reading crb_init area: "
"n: %08x\n", unm_nic_driver_name, n);
return (-1);
}
offset = n & 0xffffU;
n = (n >> 16) & 0xffffU;
} else {
if (rom_fast_read(adapter, 0, &n) != 0 ||
!(n & 0x80000000)) {
cmn_err(CE_WARN, "%s: ERROR Reading crb_init area: "
"n: %08x\n", unm_nic_driver_name, n);
return (-1);
}
offset = 1;
n &= ~0x80000000;
}
if (n >= 1024) {
cmn_err(CE_WARN, "%s: %s:n=0x%x Card flash not initialized\n",
unm_nic_driver_name, __FUNCTION__, n);
return (-1);
}
if (verbose)
cmn_err(CE_WARN, "%s: %d CRB init values found in ROM.\n",
unm_nic_driver_name, n);
buf = kmem_zalloc(n * sizeof (struct crb_addr_pair), KM_SLEEP);
if (buf == NULL) {
cmn_err(CE_WARN, "%s: pinit_from_rom: Unable to get memory\n",
unm_nic_driver_name);
return (-1);
}
for (i = 0; i < n; i++) {
if (rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
kmem_free(buf, n * sizeof (struct crb_addr_pair));
return (-1);
}
buf[i].addr = addr;
buf[i].data = val;
if (verbose)
cmn_err(CE_WARN, "%s: PCI: 0x%08x == 0x%08x\n",
unm_nic_driver_name,
(unsigned int)decode_crb_addr(
(unsigned long)addr), val);
}
for (i = 0; i < n; i++) {
off = decode_crb_addr((unsigned long)buf[i].addr) +
UNM_PCI_CRBSPACE;
/* skipping cold reboot MAGIC */
if (off == UNM_CAM_RAM(0x1fc)) {
continue;
}
if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
/* do not reset PCI */
if (off == (ROMUSB_GLB + 0xbc)) {
continue;
}
if (off == (ROMUSB_GLB + 0xc8)) /* core clock */
continue;
if (off == (ROMUSB_GLB + 0x24)) /* MN clock */
continue;
if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */
continue;
if (off == (UNM_CRB_PEG_NET_1 + 0x18)) {
buf[i].data = 0x1020;
}
/* skip the function enable register */
if (off == UNM_PCIE_REG(PCIE_SETUP_FUNCTION)) {
continue;
}
if (off == UNM_PCIE_REG(PCIE_SETUP_FUNCTION2)) {
continue;
}
if ((off & 0x0ff00000) == UNM_CRB_SMB) {
continue;
}
}
if (off == ADDR_ERROR) {
cmn_err(CE_WARN, "%s: Err: Unknown addr: 0x%08lx\n",
unm_nic_driver_name, buf[i].addr);
continue;
}
/* After writing this register, HW needs time for CRB */
/* to quiet down (else crb_window returns 0xffffffff) */
if (off == UNM_ROMUSB_GLB_SW_RESET) {
init_delay = 1;
if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
/* hold xdma in reset also */
buf[i].data = 0x8000ff;
}
}
adapter->unm_nic_hw_write_wx(adapter, off, &buf[i].data, 4);
if (init_delay == 1) {
nx_msleep(1000); /* Sleep 1000 msecs */
init_delay = 0;
}
nx_msleep(1); /* Sleep 1 msec */
}
kmem_free(buf, n * sizeof (struct crb_addr_pair));
// disable_peg_cache_all
// unreset_net_cache
if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
val = UNM_CRB_READ_VAL_ADAPTER(UNM_ROMUSB_GLB_SW_RESET,
adapter);
UNM_CRB_WRITELIT_ADAPTER(UNM_ROMUSB_GLB_SW_RESET,
(val & 0xffffff0f), adapter);
}
// p2dn replyCount
UNM_CRB_WRITELIT_ADAPTER(UNM_CRB_PEG_NET_D+0xec, 0x1e, adapter);
// disable_peg_cache 0
UNM_CRB_WRITELIT_ADAPTER(UNM_CRB_PEG_NET_D+0x4c, 8, adapter);
// disable_peg_cache 1
UNM_CRB_WRITELIT_ADAPTER(UNM_CRB_PEG_NET_I+0x4c, 8, adapter);
// peg_clr_all
// peg_clr 0
UNM_CRB_WRITELIT_ADAPTER(UNM_CRB_PEG_NET_0+0x8, 0, adapter);
UNM_CRB_WRITELIT_ADAPTER(UNM_CRB_PEG_NET_0+0xc, 0, adapter);
// peg_clr 1
UNM_CRB_WRITELIT_ADAPTER(UNM_CRB_PEG_NET_1+0x8, 0, adapter);
UNM_CRB_WRITELIT_ADAPTER(UNM_CRB_PEG_NET_1+0xc, 0, adapter);
// peg_clr 2
UNM_CRB_WRITELIT_ADAPTER(UNM_CRB_PEG_NET_2+0x8, 0, adapter);
UNM_CRB_WRITELIT_ADAPTER(UNM_CRB_PEG_NET_2+0xc, 0, adapter);
// peg_clr 3
UNM_CRB_WRITELIT_ADAPTER(UNM_CRB_PEG_NET_3+0x8, 0, adapter);
UNM_CRB_WRITELIT_ADAPTER(UNM_CRB_PEG_NET_3+0xc, 0, adapter);
return (0);
}
int
phantom_init(struct unm_adapter_s *adapter, int pegtune_val)
{
u32 val = 0;
int retries = 120;
if (!pegtune_val) {
do {
val = adapter->unm_nic_pci_read_normalize(adapter,
CRB_CMDPEG_STATE);
if ((val == PHAN_INITIALIZE_COMPLETE) ||
(val == PHAN_INITIALIZE_ACK))
return (DDI_SUCCESS);
/* 500 msec wait */
drv_usecwait(500000);
} while (--retries > 0);
if (!retries) {
val = adapter->unm_nic_pci_read_normalize(adapter,
UNM_ROMUSB_GLB_PEGTUNE_DONE);
cmn_err(CE_WARN, "WARNING: Initial boot wait loop"
"failed...state:%d\n", val);
return (DDI_FAILURE);
}
}
return (DDI_SUCCESS);
}
int
load_from_flash(struct unm_adapter_s *adapter)
{
int i;
long data, size = 0;
long flashaddr = BOOTLD_START, memaddr = BOOTLD_START;
size = (IMAGE_START - BOOTLD_START)/4;
if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
data = 1;
adapter->unm_nic_hw_write_wx(adapter, UNM_ROMUSB_GLB_CAS_RST,
&data, 4);
}
for (i = 0; i < size; i++) {
if (rom_fast_read(adapter, flashaddr, (int *)&data) != 0) {
cmn_err(CE_WARN, "Error in rom_fast_read: "
"Will skip loading flash image\n");
return (DDI_FAILURE);
}
adapter->unm_nic_pci_mem_write(adapter, memaddr, &data, 4);
flashaddr += 4;
memaddr += 4;
}
drv_usecwait(100);
UNM_READ_LOCK(&adapter->adapter_lock);
if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
data = 0x80001d;
adapter->unm_nic_hw_write_wx(adapter, UNM_ROMUSB_GLB_SW_RESET,
&data, 4);
} else {
data = 0x3fff;
adapter->unm_nic_hw_write_wx(adapter,
UNM_ROMUSB_GLB_CHIP_CLK_CTRL, &data, 4);
data = 0;
adapter->unm_nic_hw_write_wx(adapter, UNM_ROMUSB_GLB_CAS_RST,
&data, 4);
}
UNM_READ_UNLOCK(&adapter->adapter_lock);
return (DDI_SUCCESS);
}