diff options
Diffstat (limited to 'post/sysmon.c')
| -rw-r--r-- | post/sysmon.c | 331 |
1 files changed, 0 insertions, 331 deletions
diff --git a/post/sysmon.c b/post/sysmon.c deleted file mode 100644 index f61d598..0000000 --- a/post/sysmon.c +++ /dev/null @@ -1,331 +0,0 @@ -/* - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <post.h> -#include <common.h> - -#ifdef CONFIG_POST - -/* - * SYSMON test - * - * This test performs the system hardware monitoring. - * The test passes when all the following voltages and temperatures - * are within allowed ranges: - * - * Board temperature - * Front temperature - * +3.3V CPU logic - * +5V logic - * +12V PCMCIA - * +12V CCFL - * +5V standby - * - * CCFL is not enabled if temperature values are not within allowed ranges - * - * See the list off all parameters in the sysmon_table below - */ - -#include <post.h> -#include <watchdog.h> -#include <i2c.h> - -#if CONFIG_POST & CFG_POST_SYSMON - -DECLARE_GLOBAL_DATA_PTR; - -static int sysmon_temp_invalid = 0; - -/* #define DEBUG */ - -#define RELOC(x) if (x != NULL) x = (void *) ((ulong) (x) + gd->reloc_off) - -typedef struct sysmon_s sysmon_t; -typedef struct sysmon_table_s sysmon_table_t; - -static void sysmon_lm87_init (sysmon_t * this); -static void sysmon_pic_init (sysmon_t * this); -static uint sysmon_i2c_read (sysmon_t * this, uint addr); -static uint sysmon_i2c_read_sgn (sysmon_t * this, uint addr); -static void sysmon_ccfl_disable (sysmon_table_t * this); -static void sysmon_ccfl_enable (sysmon_table_t * this); - -struct sysmon_s -{ - uchar chip; - void (*init)(sysmon_t *); - uint (*read)(sysmon_t *, uint); -}; - -static sysmon_t sysmon_lm87 = - {CFG_I2C_SYSMON_ADDR, sysmon_lm87_init, sysmon_i2c_read}; -static sysmon_t sysmon_lm87_sgn = - {CFG_I2C_SYSMON_ADDR, sysmon_lm87_init, sysmon_i2c_read_sgn}; -static sysmon_t sysmon_pic = - {CFG_I2C_PICIO_ADDR, sysmon_pic_init, sysmon_i2c_read}; - -static sysmon_t * sysmon_list[] = -{ - &sysmon_lm87, - &sysmon_lm87_sgn, - &sysmon_pic, - 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[] = -{ - {"Board temperature", " C", &sysmon_lm87_sgn, NULL, sysmon_ccfl_disable, - 1, 1, -128, 127, 0xFF, 0x58, 0xD5, 0, 0x6C, 0xC6, 0, 0x27}, - - {"Front temperature", " C", &sysmon_lm87, NULL, sysmon_ccfl_disable, - 1, 100, -27316, 8984, 0xFF, 0xA4, 0xFC, 0, 0xB2, 0xF1, 0, 0x29}, - - {"+3.3V CPU logic", "V", &sysmon_lm87, NULL, NULL, - 100, 1000, 0, 4386, 0xFF, 0xB6, 0xC9, 0, 0xB6, 0xC9, 0, 0x22}, - - {"+ 5 V logic", "V", &sysmon_lm87, NULL, NULL, - 100, 1000, 0, 6630, 0xFF, 0xB6, 0xCA, 0, 0xB6, 0xCA, 0, 0x23}, - - {"+12 V PCMCIA", "V", &sysmon_lm87, NULL, NULL, - 100, 1000, 0, 15460, 0xFF, 0xBC, 0xD0, 0, 0xBC, 0xD0, 0, 0x21}, - - {"+12 V CCFL", "V", &sysmon_lm87, NULL, sysmon_ccfl_enable, - 100, 1000, 0, 15900, 0xFF, 0xB6, 0xCA, 0, 0xB6, 0xCA, 0, 0x24}, - - {"+ 5 V standby", "V", &sysmon_pic, NULL, NULL, - 100, 1000, 0, 6040, 0xFF, 0xC8, 0xDE, 0, 0xC8, 0xDE, 0, 0x7C}, -}; -static int sysmon_table_size = sizeof(sysmon_table) / sizeof(sysmon_table[0]); - -static int conversion_done = 0; - - -int sysmon_init_f (void) -{ - sysmon_t ** l; - ulong reg; - - /* Power on CCFL, PCMCIA */ - reg = pic_read (0x60); - reg |= 0x09; - pic_write (0x60, reg); - - for (l = sysmon_list; *l; l++) { - (*l)->init(*l); - } - - return 0; -} - -void sysmon_reloc (void) -{ - sysmon_t ** l; - sysmon_table_t * t; - - for (l = sysmon_list; *l; l++) { - RELOC(*l); - RELOC((*l)->init); - RELOC((*l)->read); - } - - for (t = sysmon_table; t < sysmon_table + sysmon_table_size; t ++) { - RELOC(t->exec_before); - RELOC(t->exec_after); - RELOC(t->sysmon); - } -} - -static char *sysmon_unit_value (sysmon_table_t *s, uint val) -{ - static char buf[32]; - int unit_val = - s->unit_min + (s->unit_max - s->unit_min) * val / s->val_mask; - char *p, sign; - int dec, frac; - - 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); - - dec = s->unit_precision; - - if (dec != 1) { - *p++ = '.'; - } - for (dec /= 10; dec != 0; dec /= 10) { - *p++ = '0' + (frac / dec) % 10; - } - strcpy(p, s->unit_name); - - return buf; -} - -static void sysmon_lm87_init (sysmon_t * this) -{ - uchar val; - - /* Detect LM87 chip */ - if (i2c_read(this->chip, 0x40, 1, &val, 1) || (val & 0x80) != 0 || - i2c_read(this->chip, 0x3E, 1, &val, 1) || val != 0x02) { - printf("Error: LM87 not found at 0x%02X\n", this->chip); - return; - } - - /* Configure pins 5,6 as AIN */ - val = 0x03; - if (i2c_write(this->chip, 0x16, 1, &val, 1)) { - printf("Error: can't write LM87 config register\n"); - return; - } - - /* Start monitoring */ - val = 0x01; - if (i2c_write(this->chip, 0x40, 1, &val, 1)) { - printf("Error: can't write LM87 config register\n"); - return; - } -} - -static void sysmon_pic_init (sysmon_t * this) -{ -} - -static uint sysmon_i2c_read (sysmon_t * this, uint addr) -{ - uchar val; - uint res = i2c_read(this->chip, addr, 1, &val, 1); - - return res == 0 ? val : -1; -} - -static uint sysmon_i2c_read_sgn (sysmon_t * this, uint addr) -{ - uchar val; - return i2c_read(this->chip, addr, 1, &val, 1) == 0 ? - 128 + (signed char)val : -1; -} - -static void sysmon_ccfl_disable (sysmon_table_t * this) -{ - if (!this->val_valid_alt) { - sysmon_temp_invalid = 1; - } -} - -static void sysmon_ccfl_enable (sysmon_table_t * this) -{ - ulong reg; - - if (!sysmon_temp_invalid) { - reg = pic_read (0x60); - reg |= 0x06; - pic_write (0x60, reg); - } -} - -int sysmon_post_test (int flags) -{ - int res = 0; - sysmon_table_t * t; - uint val; - - /* - * The A/D conversion on the LM87 sensor takes 300 ms. - */ - if (! conversion_done) { - while (post_time_ms(gd->post_init_f_time) < 300) WATCHDOG_RESET (); - conversion_done = 1; - } - - for (t = sysmon_table; t < sysmon_table + sysmon_table_size; t ++) { - if (t->exec_before) { - t->exec_before(t); - } - - val = t->sysmon->read(t->sysmon, t->addr); - if (val != -1) { - 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; - } else { - t->val_valid = 0; - t->val_valid_alt = 0; - } - - if (t->exec_after) { - t->exec_after(t); - } - - if ((!t->val_valid) || (flags & POST_MANUAL)) { - printf("%-17s = %-10s ", t->name, sysmon_unit_value(t, val)); - printf("allowed range"); - printf(" %-8s ..", sysmon_unit_value(t, t->val_min)); - printf(" %-8s", sysmon_unit_value(t, t->val_max)); - printf(" %s\n", t->val_valid ? "OK" : "FAIL"); - } - - if (!t->val_valid) { - res = -1; - } - } - - return res; -} - -#endif /* CONFIG_POST & CFG_POST_SYSMON */ -#endif /* CONFIG_POST */ |