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Diffstat (limited to 'post/board/lwmon5/sysmon.c')
| -rw-r--r-- | post/board/lwmon5/sysmon.c | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/post/board/lwmon5/sysmon.c b/post/board/lwmon5/sysmon.c deleted file mode 100644 index cca1a26235..0000000000 --- a/post/board/lwmon5/sysmon.c +++ /dev/null @@ -1,277 +0,0 @@ -/* - * (C) Copyright 2008 Dmitry Rakhchev, EmCraft Systems, rda@emcraft.com - * - * Developed for DENX Software Engineering GmbH - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <post.h> -#include <common.h> - -/* - * SYSMON test - * - * This test performs the system hardware monitoring. - * The test passes when all the following voltages and temperatures - * are within allowed ranges: - * - * Temperature -40 .. +90 C - * +5V +4.50 .. +5.50 V - * +5V standby +3.50 .. +5.50 V - * - * LCD backlight is not enabled if temperature values are not within - * allowed ranges (-30 .. + 80). The brightness of backlite can be - * controlled by setting "brightness" environment variable. Default value is 50% - * - * See the list of all parameters in the sysmon_table below - */ - -#include <post.h> -#include <watchdog.h> -#include <i2c.h> - -#if defined(CONFIG_VIDEO) -#include <mb862xx.h> -#endif - -#if CONFIG_POST & CONFIG_SYS_POST_SYSMON - -DECLARE_GLOBAL_DATA_PTR; - -/* from dspic.c */ -extern int dspic_read(ushort reg, ushort *data); - -#define REG_TEMPERATURE 0x12BC -#define REG_VOLTAGE_5V 0x12CA -#define REG_VOLTAGE_5V_STANDBY 0x12C6 - -#define TEMPERATURE_MIN (-40) /* degr. C */ -#define TEMPERATURE_MAX (+90) /* degr. C */ -#define TEMPERATURE_DISPLAY_MIN (-35) /* degr. C */ -#define TEMPERATURE_DISPLAY_MAX (+85) /* degr. C */ - -#define VOLTAGE_5V_MIN (+4500) /* mV */ -#define VOLTAGE_5V_MAX (+5500) /* mV */ - -#define VOLTAGE_5V_STANDBY_MIN (+3500) /* mV */ -#define VOLTAGE_5V_STANDBY_MAX (+5500) /* mV */ - -typedef struct sysmon_s sysmon_t; -typedef struct sysmon_table_s sysmon_table_t; - -static void sysmon_dspic_init(sysmon_t *this); -static int sysmon_dspic_read(sysmon_t *this, uint addr, int *val); -static int sysmon_dspic_read_sgn(sysmon_t *this, uint addr, int *val); -static void sysmon_backlight_disable(sysmon_table_t *this); - -struct sysmon_s { - uchar chip; - void (*init)(sysmon_t *); - int (*read)(sysmon_t *, uint, int *); -}; - -static sysmon_t sysmon_dspic = { - CONFIG_SYS_I2C_DSPIC_IO_ADDR, - sysmon_dspic_init, - sysmon_dspic_read -}; - -static sysmon_t sysmon_dspic_sgn = { - CONFIG_SYS_I2C_DSPIC_IO_ADDR, - sysmon_dspic_init, - sysmon_dspic_read_sgn -}; - -static sysmon_t *sysmon_list[] = { - &sysmon_dspic, - NULL -}; - -struct sysmon_table_s { - char *name; - char *unit_name; - sysmon_t *sysmon; - void (*exec_before)(sysmon_table_t *); - void (*exec_after)(sysmon_table_t *); - - int unit_precision; - int unit_div; - int unit_min; - int unit_max; - uint val_mask; - uint val_min; - uint val_max; - int val_valid; - uint val_min_alt; - uint val_max_alt; - int val_valid_alt; - uint addr; -}; - -static sysmon_table_t sysmon_table[] = { - { - "Temperature", " C", &sysmon_dspic, NULL, sysmon_backlight_disable, - 1, 1, -32768, 32767, 0xFFFF, - 0x8000 + TEMPERATURE_MIN, 0x8000 + TEMPERATURE_MAX, 0, - 0x8000 + TEMPERATURE_DISPLAY_MIN, 0x8000 + TEMPERATURE_DISPLAY_MAX, 0, - REG_TEMPERATURE, - }, - - { - "+ 5 V", "V", &sysmon_dspic, NULL, NULL, - 100, 1000, -0x8000, 0x7FFF, 0xFFFF, - 0x8000 + VOLTAGE_5V_MIN, 0x8000 + VOLTAGE_5V_MAX, 0, - 0x8000 + VOLTAGE_5V_MIN, 0x8000 + VOLTAGE_5V_MAX, 0, - REG_VOLTAGE_5V, - }, - - { - "+ 5 V standby", "V", &sysmon_dspic, NULL, NULL, - 100, 1000, -0x8000, 0x7FFF, 0xFFFF, - 0x8000 + VOLTAGE_5V_STANDBY_MIN, 0x8000 + VOLTAGE_5V_STANDBY_MAX, 0, - 0x8000 + VOLTAGE_5V_STANDBY_MIN, 0x8000 + VOLTAGE_5V_STANDBY_MAX, 0, - REG_VOLTAGE_5V_STANDBY, - }, - - { - "Temperature", "°C", &sysmon_dspic_sgn, NULL, sysmon_backlight_disable, - 1, 1, -32768, 32767, 0xFFFF, - 0x8000 + TEMPERATURE_MIN, 0x8000 + TEMPERATURE_MAX, 0, - 0x8000 + TEMPERATURE_DISPLAY_MIN, 0x8000 + TEMPERATURE_DISPLAY_MAX, 0, - REG_TEMPERATURE, - }, -}; - -int sysmon_init_f(void) -{ - sysmon_t **l; - - for (l = sysmon_list; *l; l++) - (*l)->init(*l); - - return 0; -} - -void sysmon_reloc(void) -{ - /* Do nothing for now, sysmon_reloc() is required by the sysmon post */ -} - -static char *sysmon_unit_value(sysmon_table_t *s, uint val) -{ - static char buf[32]; - char *p, sign; - int decimal, frac; - int unit_val; - - unit_val = s->unit_min + (s->unit_max - s->unit_min) * val / s->val_mask; - - if (val == -1) - return "I/O ERROR"; - - if (unit_val < 0) { - sign = '-'; - unit_val = -unit_val; - } else { - sign = '+'; - } - - p = buf + sprintf(buf, "%c%2d", sign, unit_val / s->unit_div); - - frac = unit_val % s->unit_div; - frac /= (s->unit_div / s->unit_precision); - - decimal = s->unit_precision; - - if (decimal != 1) - *p++ = '.'; - for (decimal /= 10; decimal != 0; decimal /= 10) - *p++ = '0' + (frac / decimal) % 10; - strcpy(p, s->unit_name); - - return buf; -} - -static void sysmon_dspic_init(sysmon_t *this) -{ -} - -static int sysmon_dspic_read(sysmon_t *this, uint addr, int *val) -{ - ushort data; - - if (dspic_read(addr, &data) == 0){ - /* To fit into the table range we should add 0x8000 */ - *val = data + 0x8000; - return 0; - } - - return -1; -} - -static int sysmon_dspic_read_sgn(sysmon_t *this, uint addr, int *val) -{ - ushort data; - - if (dspic_read(addr, &data) == 0){ - /* To fit into the table range we should add 0x8000 */ - *val = (signed short)data + 0x8000; - return 0; - } - - return -1; -} - -static void sysmon_backlight_disable(sysmon_table_t *this) -{ -#if defined(CONFIG_VIDEO) - board_backlight_switch(this->val_valid_alt); -#endif -} - -int sysmon_post_test(int flags) -{ - int res = 0; - sysmon_table_t * t; - int val; - - for (t = sysmon_table; t < sysmon_table + ARRAY_SIZE(sysmon_table); t++) { - t->val_valid = 1; - if (t->exec_before) - t->exec_before(t); - - if (t->sysmon->read(t->sysmon, t->addr, &val) != 0) { - t->val_valid = 0; - t->val_valid_alt = 0; - post_log(": read failed\n"); - res = 1; - break; - } - - if (t->val_valid != 0) { - t->val_valid = val >= t->val_min && val <= t->val_max; - t->val_valid_alt = val >= t->val_min_alt && val <= t->val_max_alt; - } - - if (t->exec_after) - t->exec_after(t); - - if ((!t->val_valid) || (flags)) { - post_log("\n\t%-17s = %-10s ", t->name, sysmon_unit_value(t, val)); - post_log("allowed range"); - post_log(" %-8s ..", sysmon_unit_value(t, t->val_min)); - post_log(" %-8s", sysmon_unit_value(t, t->val_max)); - post_log(" %s", t->val_valid ? "OK" : "FAIL"); - } - - if (!t->val_valid) { - res = 1; - break; - } - } - post_log("\n"); - - return res; -} -#endif /* CONFIG_POST & CONFIG_SYS_POST_SYSMON */ |