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RPi: Improve board revision detection (#681)

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Revision detection is done at runtime, the configure script has been
simplified to reflect this.
This commit is contained in:
Marcelo Aquino
2016-12-07 21:17:59 +01:00
committed by Patrick Fallberg
parent fdbb285dee
commit 62b74bb88a
6 changed files with 326 additions and 87 deletions
Download Patch File Download Diff File Expand all files Collapse all files
configure
Vendored
+3 -15
View File
@@ -14,7 +14,6 @@ Help:
Building options:
--soc=[BCM2835|BCM2836|AM33XX|A10|A13|A20|H3]
SoC type to be used. [configure autodetected]
--platform-type=<TYPE> Type of platform
--cpu-flags=<CPUFLAGS> CPU defining/optimizing flags to be used. [configure autodetected]
--extra-cflags=<CFLAGS> Extra C flags passed to C compilation. []
--extra-cxxflags=<CXXFLAGS> Extra C++ flags passed to C++ compilation. []
@@ -109,7 +108,6 @@ function detect_machine {
fi
local soc="unknown"
local tp="unknown"
local rev="unknown"
if [ -z "$cpu" ]; then
cpu="unknown"
@@ -120,13 +118,12 @@ function detect_machine {
soc="BCM2835"
if [[ $machine == "Raspberry"* ]]; then
tp="RPi"
rev=($(detect_rpi_revision))
fi
;;
BCM2709)
soc="BCM2836"
if [[ $machine == "Raspberry"* ]]; then
rev=($(detect_rpi_revision))
local rev=($(detect_rpi_revision))
if [[ $rev == "a02082" || $rev == "a22082" ]]; then
tp="RPi3"
else
@@ -187,7 +184,7 @@ function detect_machine {
*)
soc="unknown"
esac
echo "${soc} ${tp} ${cpu} ${rev}"
echo "${soc} ${tp} ${cpu}"
}
function gcc_cpu_flags {
@@ -409,12 +406,7 @@ if [ -z "${SOC}" ]; then
SOC=${info[0]}
TYPE=${info[1]}
CPU=${info[2]}
REV=${info[3]}
echo "[OK] machine detected: SoC=${SOC}, Type=${TYPE}, CPU=${CPU}, REV=${REV}."
fi
if [ "${PT}" ]; then
TYPE=${PT}
echo "[OK] machine detected: SoC=${SOC}, Type=${TYPE}, CPU=${CPU}."
fi
if [ -z "${CPUFLAGS}" ]; then
@@ -425,10 +417,6 @@ if [[ $SOC == "BCM2835" || $SOC == "BCM2836" ]]; then
CPPFLAGS="-DLINUX_ARCH_RASPBERRYPI $CPPFLAGS"
fi
if [[ $TYPE == "RPi2" || $TYPE == "RPi3" || $REV == "0010" ]]; then
CPPFLAGS="-D__RPI_BPLUS $CPPFLAGS"
fi
if [[ ${debug} == "enable" ]]; then
CPPFLAGS="-DMY_DEBUG $CPPFLAGS"
fi
core/MyHwRPi.h
+1
View File
@@ -20,6 +20,7 @@
#ifndef MyHwRPi_h
#define MyHwRPi_h
#include <stdint.h>
#include <stdlib.h>
#include "MyHwLinuxGeneric.h"
#include "log.h"
drivers/RPi/cpuinfo.c
+216
View File
@@ -0,0 +1,216 @@
/*
Copyright (c) 2012-2016 Ben Croston
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 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.
*/
#include "cpuinfo.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int get_rpi_info(rpi_info *info)
{
FILE *fp;
char buffer[1024];
char hardware[1024];
char revision[1024];
char *rev;
int found = 0;
int len;
if ((fp = fopen("/proc/cpuinfo", "r")) == NULL)
return -1;
while(!feof(fp)) {
fgets(buffer, sizeof(buffer), fp);
sscanf(buffer, "Hardware : %s", hardware);
if (strcmp(hardware, "BCM2708") == 0 ||
strcmp(hardware, "BCM2709") == 0 ||
strcmp(hardware, "BCM2835") == 0 ||
strcmp(hardware, "BCM2836") == 0 ||
strcmp(hardware, "BCM2837") == 0 ) {
found = 1;
}
sscanf(buffer, "Revision : %s", revision);
}
fclose(fp);
if (!found)
return -1;
if ((len = strlen(revision)) == 0)
return -1;
if (len >= 6 && strtol((char[]){revision[len-6],0}, NULL, 16) & 8) {
// new scheme
//info->rev = revision[len-1]-'0';
strcpy(info->revision, revision);
switch (revision[len-2]) {
case '0': info->type = "Model A"; info->p1_revision = 2; break;
case '1': info->type = "Model B"; info->p1_revision = 2; break;
case '2': info->type = "Model A+"; info->p1_revision = 3; break;
case '3': info->type = "Model B+"; info->p1_revision = 3; break;
case '4': info->type = "Pi 2 Model B"; info->p1_revision = 3; break;
case '5': info->type = "Alpha"; info->p1_revision = 3; break;
case '6': info->type = "Compute"; info->p1_revision = 0; break;
case '8': info->type = "Pi 3 Model B"; info->p1_revision = 3; break;
case '9': info->type = "Zero"; info->p1_revision = 3; break;
default : info->type = "Unknown"; info->p1_revision = 3; break;
}
switch (revision[len-4]) {
case '0': info->processor = "BCM2835"; break;
case '1': info->processor = "BCM2836"; break;
case '2': info->processor = "BCM2837"; break;
default : info->processor = "Unknown"; break;
}
switch (revision[len-5]) {
case '0': info->manufacturer = "Sony"; break;
case '1': info->manufacturer = "Egoman"; break;
case '2': info->manufacturer = "Embest"; break;
case '4': info->manufacturer = "Embest"; break;
default : info->manufacturer = "Unknown"; break;
}
switch (strtol((char[]){revision[len-6],0}, NULL, 16) & 7) {
case 0: info->ram = "256M"; break;
case 1: info->ram = "512M"; break;
case 2: info->ram = "1024M"; break;
default: info->ram = "Unknown"; break;
}
} else {
// old scheme
info->ram = "Unknown";
info->manufacturer = "Unknown";
info->processor = "Unknown";
info->type = "Unknown";
strcpy(info->revision, revision);
// get last four characters (ignore preceeding 1000 for overvolt)
if (len > 4)
rev = (char *)&revision+len-4;
else
rev = revision;
if ((strcmp(rev, "0002") == 0) ||
(strcmp(rev, "0003") == 0)) {
info->type = "Model B";
info->p1_revision = 1;
info->ram = "256M";
info->processor = "BCM2835";
} else if (strcmp(rev, "0004") == 0) {
info->type = "Model B";
info->p1_revision = 2;
info->ram = "256M";
info->manufacturer = "Sony";
info->processor = "BCM2835";
} else if (strcmp(rev, "0005") == 0) {
info->type = "Model B";
info->p1_revision = 2;
info->ram = "256M";
info->manufacturer = "Qisda";
info->processor = "BCM2835";
} else if (strcmp(rev, "0006") == 0) {
info->type = "Model B";
info->p1_revision = 2;
info->ram = "256M";
info->manufacturer = "Egoman";
info->processor = "BCM2835";
} else if (strcmp(rev, "0007") == 0) {
info->type = "Model A";
info->p1_revision = 2;
info->ram = "256M";
info->manufacturer = "Egoman";
info->processor = "BCM2835";
} else if (strcmp(rev, "0008") == 0) {
info->type = "Model A";
info->p1_revision = 2;
info->ram = "256M";
info->manufacturer = "Sony";
info->processor = "BCM2835";
} else if (strcmp(rev, "0009") == 0) {
info->type = "Model A";
info->p1_revision = 2;
info->ram = "256M";
info->manufacturer = "Qisda";
info->processor = "BCM2835";
} else if (strcmp(rev, "000d") == 0) {
info->type = "Model B";
info->p1_revision = 2;
info->ram = "512M";
info->manufacturer = "Egoman";
info->processor = "BCM2835";
} else if (strcmp(rev, "000e") == 0) {
info->type = "Model B";
info->p1_revision = 2;
info->ram = "512M";
info->manufacturer = "Sony";
info->processor = "BCM2835";
} else if (strcmp(rev, "000f") == 0) {
info->type = "Model B";
info->p1_revision = 2;
info->ram = "512M";
info->manufacturer = "Qisda";
info->processor = "BCM2835";
} else if ((strcmp(rev, "0011") == 0) ||
(strcmp(rev, "0014") == 0)) {
info->type = "Compute Module";
info->p1_revision = 0;
info->ram = "512M";
info->processor = "BCM2835";
} else if (strcmp(rev, "0012") == 0) {
info->type = "Model A+";
info->p1_revision = 3;
info->ram = "256M";
info->processor = "BCM2835";
} else if ((strcmp(rev, "0010") == 0) ||
(strcmp(rev, "0013") == 0)) {
info->type = "Model B+";
info->p1_revision = 3;
info->ram = "512M";
info->processor = "BCM2835";
} else { // don't know - assume revision 3 p1 connector
info->p1_revision = 3;
}
}
return 0;
}
/*
32 bits
NEW 23: will be 1 for the new scheme, 0 for the old scheme
MEMSIZE 20: 0=256M 1=512M 2=1G
MANUFACTURER 16: 0=SONY 1=EGOMAN
PROCESSOR 12: 0=2835 1=2836
TYPE 04: 0=MODELA 1=MODELB 2=MODELA+ 3=MODELB+ 4=Pi2 MODEL B 5=ALPHA 6=CM
REV 00: 0=REV0 1=REV1 2=REV2
pi2 = 1<<23 | 2<<20 | 1<<12 | 4<<4 = 0xa01040
--------------------
SRRR MMMM PPPP TTTT TTTT VVVV
S scheme (0=old, 1=new)
R RAM (0=256, 1=512, 2=1024)
M manufacturer (0='SONY',1='EGOMAN',2='EMBEST',3='UNKNOWN',4='EMBEST')
P processor (0=2835, 1=2836 2=2837)
T type (0='A', 1='B', 2='A+', 3='B+', 4='Pi 2 B', 5='Alpha', 6='Compute Module')
V revision (0-15)
*/
drivers/RPi/cpuinfo.h
+48
View File
@@ -0,0 +1,48 @@
/*
Copyright (c) 2012-2015 Ben Croston
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 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.
*/
#ifndef CPUINFO_H
#define CPUINFO_H
#if !DOXYGEN
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
int p1_revision;
char *ram;
char *manufacturer;
char *processor;
char *type;
char revision[1024];
} rpi_info;
int get_rpi_info(rpi_info *info);
#ifdef __cplusplus
}
#endif
#endif
#endif /* CPUINFO_H */
drivers/RPi/rpi_util.cpp
+52 -70
View File
@@ -19,6 +19,7 @@
* Based on wiringPi Copyright (c) 2012 Gordon Henderson.
*/
#include "rpi_util.h"
#include <pthread.h>
#include <stdlib.h>
#include <sys/ioctl.h>
@@ -31,9 +32,9 @@
#include <fcntl.h>
#include <stropts.h>
#include <errno.h>
#include "rpi_util.h"
#include "SPI.h"
#include "log.h"
#include "cpuinfo.h"
extern "C" {
int piHiPri(const int pri);
@@ -44,6 +45,9 @@ struct ThreadArgs {
int gpioPin;
};
static const int *pin_to_gpio = 0;
static rpi_info rpiinfo;
volatile bool interruptsEnabled = true;
static pthread_mutex_t intMutex = PTHREAD_MUTEX_INITIALIZER;
@@ -59,66 +63,37 @@ static int sysFds[64] =
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
};
#ifdef __RPI_BPLUS
static uint8_t physToGpio[64] =
int get_gpio_number(uint8_t physPin, uint8_t *gpio)
{
255, // 0
255, 255, // 1, 2
2, 255,
3, 255,
4, 14,
255, 15,
17, 18,
27, 255,
22, 23,
255, 24,
10, 255,
9, 25,
11, 8,
255, 7, // 25, 26
// B+
0, 1,
5, 255,
6, 12,
13, 255,
19, 16,
26, 20,
255, 21,
// the P5 connector on the Rev 2 boards:
255, 255,
255, 255,
255, 255,
255, 255,
255, 255,
28, 29,
30, 31,
255, 255,
255, 255,
255, 255,
255, 255,
};
#else
static uint8_t physToGpio[64] =
{
255, // 0
255, 255, // 1, 2
0, 255,
1, 255,
4, 14,
255, 15,
17, 18,
21, 255,
22, 23,
255, 24,
10, 255,
9, 25,
11, 8,
255, 7, // 25, 26
255, 255, 255, 255, 255, // ... 31
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, // ... 47
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, // ... 63
};
#endif
if (pin_to_gpio == 0) {
// detect board revision and set up accordingly
if (get_rpi_info(&rpiinfo)) {
logError("This module can only be run on a Raspberry Pi!\n");
exit(1);
}
if (rpiinfo.p1_revision == 1) {
pin_to_gpio = &pin_to_gpio_rev1[0];
} else if (rpiinfo.p1_revision == 2) {
pin_to_gpio = &pin_to_gpio_rev2[0];
} else { // assume model B+ or A+ or 2B
pin_to_gpio = &pin_to_gpio_rev3[0];
}
}
if ((rpiinfo.p1_revision != 3 && physPin > 26)
|| (rpiinfo.p1_revision == 3 && physPin > 40)) {
return -1;
}
if (*(pin_to_gpio+physPin) == -1) {
return -1;
} else {
*gpio = *(pin_to_gpio+physPin);
}
return 0;
}
void *interruptHandler(void *args) {
int fd, ret;
@@ -168,11 +143,13 @@ void *interruptHandler(void *args) {
}
void rpi_util::pinMode(uint8_t physPin, uint8_t mode) {
uint8_t gpioPin = (physPin > 63)? 255 : physToGpio[physPin];
if (gpioPin == 255) {
uint8_t gpioPin;
if (get_gpio_number(physPin, &gpioPin)) {
logError("pinMode: invalid pin: %d\n", physPin);
return;
}
// Check if SPI is in use and target pin is related to SPI
if (SPIClass::is_initialized() && gpioPin >= RPI_GPIO_P1_26 && gpioPin <= RPI_GPIO_P1_23) {
return;
@@ -182,11 +159,13 @@ void rpi_util::pinMode(uint8_t physPin, uint8_t mode) {
}
void rpi_util::digitalWrite(uint8_t physPin, uint8_t value) {
uint8_t gpioPin = (physPin > 63)? 255 : physToGpio[physPin];
if (gpioPin == 255) {
uint8_t gpioPin;
if (get_gpio_number(physPin, &gpioPin)) {
logError("digitalWrite: invalid pin: %d\n", physPin);
return;
}
// Check if SPI is in use and target pin is related to SPI
if (SPIClass::is_initialized() && gpioPin >= RPI_GPIO_P1_26 && gpioPin <= RPI_GPIO_P1_23) {
if (value == LOW && (gpioPin == RPI_GPIO_P1_24 || gpioPin == RPI_GPIO_P1_26)) {
@@ -200,11 +179,13 @@ void rpi_util::digitalWrite(uint8_t physPin, uint8_t value) {
}
uint8_t rpi_util::digitalRead(uint8_t physPin) {
uint8_t gpioPin = (physPin > 63)? 255 : physToGpio[physPin];
if (gpioPin == 255) {
uint8_t gpioPin;
if (get_gpio_number(physPin, &gpioPin)) {
logError("digitalRead: invalid pin: %d\n", physPin);
return 0;
}
// Check if SPI is in use and target pin is related to SPI
if (SPIClass::is_initialized() && gpioPin >= RPI_GPIO_P1_26 && gpioPin <= RPI_GPIO_P1_23) {
return 0;
@@ -218,9 +199,9 @@ void rpi_util::attachInterrupt(uint8_t physPin, void (*func)(), uint8_t mode) {
char fName[40];
char c;
int count, i;
uint8_t gpioPin;
uint8_t gpioPin = (physPin > 63)? 255 : physToGpio[physPin];
if (gpioPin == 255) {
if (get_gpio_number(physPin, &gpioPin)) {
logError("attachInterrupt: invalid pin: %d\n", physPin);
return;
}
@@ -295,8 +276,9 @@ void rpi_util::attachInterrupt(uint8_t physPin, void (*func)(), uint8_t mode) {
}
void rpi_util::detachInterrupt(uint8_t physPin) {
uint8_t gpioPin = (physPin > 63)? 255 : physToGpio[physPin];
if (gpioPin == 255) {
uint8_t gpioPin;
if (get_gpio_number(physPin, &gpioPin)) {
logError("detachInterrupt: invalid pin: %d\n", physPin);
return;
}
drivers/RPi/rpi_util.h
+6 -2
View File
@@ -19,12 +19,16 @@
* Based on wiringPi Copyright (c) 2012 Gordon Henderson.
*/
#ifndef pins_io_h
#define pins_io_h
#ifndef rpi_util_h
#define rpi_util_h
#include <stdint.h>
#include "bcm2835.h"
const int pin_to_gpio_rev1[41] = {-1, -1, -1, 0, -1, 1, -1, 4, 14, -1, 15, 17, 18, 21, -1, 22, 23, -1, 24, 10, -1, 9, 25, 11, 8, -1, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 };
const int pin_to_gpio_rev2[41] = {-1, -1, -1, 2, -1, 3, -1, 4, 14, -1, 15, 17, 18, 27, -1, 22, 23, -1, 24, 10, -1, 9, 25, 11, 8, -1, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 };
const int pin_to_gpio_rev3[41] = {-1, -1, -1, 2, -1, 3, -1, 4, 14, -1, 15, 17, 18, 27, -1, 22, 23, -1, 24, 10, -1, 9, 25, 11, 8, -1, 7, -1, -1, 5, -1, 6, 12, 13, -1, 19, 16, 26, 20, -1, 21 };
namespace rpi_util {
typedef enum {