diff options
author | Simon Glass <sjg@chromium.org> | 2017-05-17 12:25:05 +0300 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2017-05-22 15:37:11 +0300 |
commit | 853eaa4f301c15584f3664f1be000921810d7825 (patch) | |
tree | ad257d4e5d05911c05d7b1f5258b3d963a8f732c /cmd | |
parent | ab3c4fbe8a4f9357b0cf48bb396f8d8baaea5fe3 (diff) | |
download | u-boot-853eaa4f301c15584f3664f1be000921810d7825.tar.xz |
Drop digital thermometer and thermostat (DTT) drivers
This subsystem is quite old. It has been replaced with a driver-model
version (UCLASS_THERMAL). Boards are free to convert to that if required,
but here is a removal patch that could be applied in the meantime.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'cmd')
-rw-r--r-- | cmd/Makefile | 1 | ||||
-rw-r--r-- | cmd/dtt.c | 120 |
2 files changed, 0 insertions, 121 deletions
diff --git a/cmd/Makefile b/cmd/Makefile index e98786807b..f043407656 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -43,7 +43,6 @@ ifdef CONFIG_POST obj-$(CONFIG_CMD_DIAG) += diag.o endif obj-$(CONFIG_CMD_DISPLAY) += display.o -obj-$(CONFIG_CMD_DTT) += dtt.o obj-$(CONFIG_CMD_ECHO) += echo.o obj-$(CONFIG_ENV_IS_IN_EEPROM) += eeprom.o obj-$(CONFIG_CMD_EEPROM) += eeprom.o diff --git a/cmd/dtt.c b/cmd/dtt.c deleted file mode 100644 index dd427a3d0b..0000000000 --- a/cmd/dtt.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * (C) Copyright 2001 - * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <config.h> -#include <command.h> - -#include <dtt.h> -#include <i2c.h> -#include <tmu.h> -#include <linux/bug.h> - -#if defined CONFIG_DTT_SENSORS -static unsigned long sensor_initialized; - -static void _initialize_dtt(void) -{ - int i; - unsigned char sensors[] = CONFIG_DTT_SENSORS; - - for (i = 0; i < sizeof(sensors); i++) { - if ((sensor_initialized & (1 << i)) == 0) { - if (dtt_init_one(sensors[i]) != 0) { - printf("DTT%d: Failed init!\n", i); - continue; - } - sensor_initialized |= (1 << i); - } - } -} - -void dtt_init(void) -{ - int old_bus; - - /* switch to correct I2C bus */ - old_bus = I2C_GET_BUS(); - I2C_SET_BUS(CONFIG_SYS_DTT_BUS_NUM); - - _initialize_dtt(); - - /* switch back to original I2C bus */ - I2C_SET_BUS(old_bus); -} -#endif - -int dtt_i2c(void) -{ -#if defined CONFIG_DTT_SENSORS - int i; - unsigned char sensors[] = CONFIG_DTT_SENSORS; - int old_bus; - - /* Force a compilation error, if there are more then 32 sensors */ - BUILD_BUG_ON(sizeof(sensors) > 32); - /* switch to correct I2C bus */ -#ifdef CONFIG_SYS_I2C - old_bus = i2c_get_bus_num(); - i2c_set_bus_num(CONFIG_SYS_DTT_BUS_NUM); -#else - old_bus = I2C_GET_BUS(); - I2C_SET_BUS(CONFIG_SYS_DTT_BUS_NUM); -#endif - - _initialize_dtt(); - - /* - * Loop through sensors, read - * temperature, and output it. - */ - for (i = 0; i < sizeof(sensors); i++) - printf("DTT%d: %i C\n", i + 1, dtt_get_temp(sensors[i])); - - /* switch back to original I2C bus */ -#ifdef CONFIG_SYS_I2C - i2c_set_bus_num(old_bus); -#else - I2C_SET_BUS(old_bus); -#endif -#endif - - return 0; -} - -int dtt_tmu(void) -{ -#if defined CONFIG_TMU_CMD_DTT - int cur_temp; - - /* Sense and return latest thermal info */ - if (tmu_monitor(&cur_temp) == TMU_STATUS_INIT) { - puts("TMU is in unknown state, temperature is invalid\n"); - return -1; - } - printf("Current temperature: %u degrees Celsius\n", cur_temp); -#endif - return 0; -} - -int do_dtt(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) -{ - int err = 0; - - err |= dtt_i2c(); - err |= dtt_tmu(); - - return err; -} /* do_dtt() */ - -/***************************************************/ - -U_BOOT_CMD( - dtt, 1, 1, do_dtt, - "Read temperature from Digital Thermometer and Thermostat", - "" -); |