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Code Issues Releases Wiki Activity

add VLV punit & north cluster read tools

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This commit is contained in:
Jesse Barnes 2013-04-16 13:14:58 -07:00
parent 2fe3f76c25
commit 25339595a7
7 changed files with 248 additions and 1 deletions
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1
lib/Makefile.am
View File

@ -30,6 +30,7 @@ libintel_tools_la_SOURCES = \
rendercopy.h \
intel_reg_map.c \
intel_dpio.c \
intel_iosf.c \
$(NULL)
LDADD = $(CAIRO_LIBS)

3
lib/intel_gpu_tools.h
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@ -49,6 +49,9 @@ void intel_register_write(uint32_t reg, uint32_t val);
uint32_t intel_dpio_reg_read(uint32_t reg);
void intel_dpio_reg_write(uint32_t reg, uint32_t val);
int intel_punit_read(uint8_t addr, uint32_t *val);
int intel_nc_read(uint8_t addr, uint32_t *val);
#define INTEL_RANGE_RSVD (0<<0) /* Shouldn't be read or written */
#define INTEL_RANGE_READ (1<<0)
#define INTEL_RANGE_WRITE (1<<1)

85
lib/intel_iosf.c Normal file
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@ -0,0 +1,85 @@
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <err.h>
#include <errno.h>
#include "intel_gpu_tools.h"
#define TIMEOUT_US 500000
static int vlv_punit_rw(uint32_t port, uint8_t opcode, uint8_t addr,
uint32_t *val)
{
volatile uint32_t *ptr;
int timeout = 0;
uint32_t cmd, devfn, be, bar;
bar = 0;
be = 0xf;
devfn = 16;
cmd = (devfn << IOSF_DEVFN_SHIFT) | (opcode << IOSF_OPCODE_SHIFT) |
(port << IOSF_PORT_SHIFT) | (be << IOSF_BYTE_ENABLES_SHIFT) |
(bar << IOSF_BAR_SHIFT);
ptr = (volatile uint32_t*)((volatile char*)mmio +
VLV_IOSF_DOORBELL_REQ);
if (*ptr & IOSF_SB_BUSY) {
fprintf(stderr, "warning: pcode (%s) mailbox access failed\n",
opcode == PUNIT_OPCODE_REG_READ ?
"read" : "write");
return -EAGAIN;
}
ptr = (volatile uint32_t*)((volatile char*)mmio + VLV_IOSF_ADDR);
*ptr = addr;
if (opcode == PUNIT_OPCODE_REG_WRITE) {
ptr = (volatile uint32_t*)((volatile char*)mmio +
VLV_IOSF_DATA);
*ptr = *val;
}
ptr = (volatile uint32_t*)((volatile char*)mmio +
VLV_IOSF_DOORBELL_REQ);
*ptr = cmd;
do {
usleep(1);
timeout++;
} while ((*ptr & IOSF_SB_BUSY) && timeout < TIMEOUT_US);
if (timeout >= TIMEOUT_US) {
fprintf(stderr, "timeout waiting for pcode %s (%d) to finish\n",
opcode == PUNIT_OPCODE_REG_READ ? "read" : "write",
addr);
return -ETIMEDOUT;
}
if (opcode == PUNIT_OPCODE_REG_READ) {
ptr = (volatile uint32_t*)((volatile char*)mmio +
VLV_IOSF_DATA);
*val = *ptr;
}
*ptr = 0;
return 0;
}
int intel_punit_read(uint8_t addr, uint32_t *val)
{
return vlv_punit_rw(IOSF_PORT_PUNIT, PUNIT_OPCODE_REG_READ, addr, val);
}
int intel_punit_write(uint8_t addr, uint32_t val)
{
return vlv_punit_rw(IOSF_PORT_PUNIT, PUNIT_OPCODE_REG_WRITE, addr, &val);
}
int intel_nc_read(uint8_t addr, uint32_t *val)
{
return vlv_punit_rw(IOSF_PORT_NC, PUNIT_OPCODE_REG_READ, addr, val);
}
int intel_nc_write(uint8_t addr, uint32_t val)
{
return vlv_punit_rw(IOSF_PORT_NC, PUNIT_OPCODE_REG_WRITE, addr, &val);
}

16
lib/intel_reg.h
View File

@ -3798,4 +3798,20 @@ typedef enum {
#define DPIO_DATA 0x2104
#define DPIO_REG 0x2108
/* VLV IOSF access */
#define VLV_IOSF_DOORBELL_REQ 0x182100
#define IOSF_DEVFN_SHIFT 24
#define IOSF_OPCODE_SHIFT 16
#define IOSF_PORT_SHIFT 8
#define IOSF_BYTE_ENABLES_SHIFT 4
#define IOSF_BAR_SHIFT 1
#define IOSF_SB_BUSY (1<<0)
#define IOSF_PORT_PUNIT 0x4
#define IOSF_PORT_NC 0x11
#define VLV_IOSF_DATA 0x182104
#define VLV_IOSF_ADDR 0x182108
#define PUNIT_OPCODE_REG_READ 6
#define PUNIT_OPCODE_REG_WRITE 7
#endif /* _I810_REG_H */

4
tools/Makefile.am
View File

@ -22,7 +22,9 @@ bin_PROGRAMS = \
intel_forcewaked \
intel_dpio_read \
intel_dpio_write \
intel_l3_parity
intel_l3_parity \
intel_punit_read \
intel_nc_read
noinst_PROGRAMS = \
intel_dump_decode \

70
tools/intel_nc_read.c Normal file
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@ -0,0 +1,70 @@
/*
* Copyright © 2012 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Vijay Purushothaman <vijay.a.purushothaman@intel.com>
*
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <err.h>
#include <string.h>
#include "intel_gpu_tools.h"
static void usage(char *cmdname)
{
printf("Warning : This program will work only on Valleyview\n");
printf("Usage: %s [addr]\n", cmdname);
printf("\t addr : in 0xXXXX format\n");
}
int main(int argc, char** argv)
{
int ret = 0;
uint32_t reg, val;
char *cmdname = strdup(argv[0]);
struct pci_device *dev = intel_get_pci_device();
if (argc != 2 || !IS_VALLEYVIEW(dev->device_id)) {
usage(cmdname);
ret = 1;
goto out;
}
sscanf(argv[1], "0x%x", &reg);
intel_register_access_init(dev, 0);
ret = intel_nc_read(reg, &val);
if (ret)
fprintf(stderr, "iosf read failed: %d\n", ret);
printf("Read IOSF register: 0x%x - Value : 0x%x\n", reg, val);
intel_register_access_fini();
out:
free(cmdname);
return ret;
}

70
tools/intel_punit_read.c Normal file
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@ -0,0 +1,70 @@
/*
* Copyright © 2012 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Vijay Purushothaman <vijay.a.purushothaman@intel.com>
*
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <err.h>
#include <string.h>
#include "intel_gpu_tools.h"
static void usage(char *cmdname)
{
printf("Warning : This program will work only on Valleyview\n");
printf("Usage: %s [addr]\n", cmdname);
printf("\t addr : in 0xXXXX format\n");
}
int main(int argc, char** argv)
{
int ret = 0;
uint32_t reg, val;
char *cmdname = strdup(argv[0]);
struct pci_device *dev = intel_get_pci_device();
if (argc != 2 || !IS_VALLEYVIEW(dev->device_id)) {
usage(cmdname);
ret = 1;
goto out;
}
sscanf(argv[1], "0x%x", &reg);
intel_register_access_init(dev, 0);
ret = intel_punit_read(reg, &val);
if (ret)
fprintf(stderr, "iosf read failed: %d\n", ret);
printf("Read IOSF register: 0x%x - Value : 0x%x\n", reg, val);
intel_register_access_fini();
out:
free(cmdname);
return ret;
}