- Splashscreen support - modem support - sysmon support - temperature dependend enabling of LCD * Allow booting from old "PPCBoot" disk partitions * Add support for TQM8255 Board / MPC8255 CPUmaster
wdenk
22 years ago
parent
02c9bed451
commit
4532cb696e
@ -0,0 +1,330 @@ |
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/*
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* (C) Copyright 2003 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <post.h> |
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#include <common.h> |
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#ifdef CONFIG_POST |
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/*
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* SYSMON test |
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* |
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* This test performs the system hardware monitoring. |
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* The test passes when all the following voltages and temperatures |
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* are within allowed ranges: |
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*
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* Board temperature |
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* Front temperature |
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* +3.3V CPU logic |
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* +5V logic |
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* +12V PCMCIA |
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* +12V CCFL |
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* +5V standby |
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*
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* CCFL is not enabled if temperature values are not within allowed ranges |
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* |
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* See the list off all parameters in the sysmon_table below |
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*/ |
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#include <post.h> |
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#include <watchdog.h> |
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#include <i2c.h> |
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static int sysmon_temp_invalid = 0; |
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#if CONFIG_POST & CFG_POST_SYSMON |
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/* #define DEBUG */ |
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#define RELOC(x) if (x != NULL) x = (void *) ((ulong) (x) + gd->reloc_off) |
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typedef struct sysmon_s sysmon_t; |
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typedef struct sysmon_table_s sysmon_table_t; |
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static void sysmon_lm87_init (sysmon_t * this); |
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static void sysmon_pic_init (sysmon_t * this); |
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static uint sysmon_i2c_read (sysmon_t * this, uint addr); |
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static uint sysmon_i2c_read_sgn (sysmon_t * this, uint addr); |
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static void sysmon_ccfl_disable (sysmon_table_t * this); |
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static void sysmon_ccfl_enable (sysmon_table_t * this); |
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struct sysmon_s |
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{ |
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uchar chip; |
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void (*init)(sysmon_t *); |
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uint (*read)(sysmon_t *, uint); |
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}; |
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static sysmon_t sysmon_lm87 = |
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{CFG_I2C_SYSMON_ADDR, sysmon_lm87_init, sysmon_i2c_read}; |
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static sysmon_t sysmon_lm87_sgn = |
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{CFG_I2C_SYSMON_ADDR, sysmon_lm87_init, sysmon_i2c_read_sgn}; |
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static sysmon_t sysmon_pic = |
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{CFG_I2C_PICIO_ADDR, sysmon_pic_init, sysmon_i2c_read}; |
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static sysmon_t * sysmon_list[] = |
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{ |
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&sysmon_lm87, |
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&sysmon_lm87_sgn, |
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&sysmon_pic, |
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NULL |
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}; |
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struct sysmon_table_s |
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{ |
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char * name; |
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char * unit_name; |
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sysmon_t * sysmon; |
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void (*exec_before)(sysmon_table_t *); |
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void (*exec_after)(sysmon_table_t *); |
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int unit_div; |
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int unit_min; |
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int unit_max; |
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uint val_mask; |
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uint val_min; |
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uint val_max; |
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int val_valid; |
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uint addr; |
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}; |
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static sysmon_table_t sysmon_table[] = |
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{ |
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{"Board temperature", " C", &sysmon_lm87_sgn, NULL, sysmon_ccfl_disable, |
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1, -128, 127, 0xFF, 0x58, 0xD5, 0, 0x27}, |
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{"Front temperature", " C", &sysmon_lm87, NULL, sysmon_ccfl_disable, |
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100, -27316, 8984, 0xFF, 0xA4, 0xFC, 0, 0x29}, |
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{"+3.3V CPU logic", "V", &sysmon_lm87, NULL, NULL, |
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1000, 0, 4386, 0xFF, 0xB6, 0xC9, 0, 0x22}, |
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{"+5V logic", "V", &sysmon_lm87, NULL, NULL, |
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1000, 0, 6630, 0xFF, 0xB6, 0xCA, 0, 0x23}, |
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{"+12V PCMCIA", "V", &sysmon_lm87, NULL, NULL, |
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1000, 0, 15460, 0xFF, 0xBC, 0xD0, 0, 0x21}, |
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{"+12V CCFL", "V", &sysmon_lm87, NULL, sysmon_ccfl_enable, |
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1000, 0, 15900, 0xFF, 0xB6, 0xCA, 0, 0x24}, |
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{"+5V standby", "V", &sysmon_pic, NULL, NULL, |
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1000, 0, 6040, 0xFF, 0xC8, 0xDE, 0, 0x7C}, |
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}; |
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static int sysmon_table_size = sizeof(sysmon_table) / sizeof(sysmon_table[0]); |
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static int conversion_done = 0; |
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int sysmon_init_f (void) |
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{ |
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sysmon_t ** l; |
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ulong reg; |
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/* Power on CCFL, PCMCIA */ |
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reg = pic_read (0x60); |
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reg |= 0x09; |
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pic_write (0x60, reg); |
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for (l = sysmon_list; *l; l++) |
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{ |
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(*l)->init(*l); |
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} |
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return 0; |
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} |
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void sysmon_reloc (void) |
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{ |
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DECLARE_GLOBAL_DATA_PTR; |
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sysmon_t ** l; |
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sysmon_table_t * t; |
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for (l = sysmon_list; *l; l++) |
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{ |
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RELOC(*l); |
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RELOC((*l)->init); |
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RELOC((*l)->read); |
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} |
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for (t = sysmon_table; t < sysmon_table + sysmon_table_size; t ++) |
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{ |
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RELOC(t->exec_before); |
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RELOC(t->exec_after); |
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RELOC(t->sysmon); |
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} |
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} |
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static char * sysmon_unit_value (sysmon_table_t * s, uint val) |
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{ |
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static char buf[32]; |
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int unit_val = |
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s->unit_min + (s->unit_max - s->unit_min) * val / s->val_mask; |
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char * p; |
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int dec, frac; |
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sprintf(buf, "%+d", unit_val / s->unit_div); |
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frac = (unit_val > 0 ? unit_val : -unit_val) % s->unit_div; |
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p = buf + strlen(buf); |
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dec = s->unit_div; |
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if (dec != 1) |
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{ |
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*p++ = '.'; |
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} |
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for (dec /= 10; dec != 0; dec /= 10) |
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{ |
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*p++ = '0' + frac / dec % 10; |
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} |
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strcpy(p, s->unit_name); |
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return buf; |
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} |
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static void sysmon_lm87_init (sysmon_t * this) |
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{ |
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uchar val; |
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/* Detect LM87 chip */ |
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if (i2c_read(this->chip, 0x40, 1, &val, 1) || (val & 0x80) != 0 || |
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i2c_read(this->chip, 0x3E, 1, &val, 1) || val != 0x02) |
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{ |
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printf("Error: LM87 not found at 0x%02X\n", this->chip); |
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return; |
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} |
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/* Configure pins 5,6 as AIN */ |
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val = 0x03; |
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if (i2c_write(this->chip, 0x16, 1, &val, 1)) |
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{ |
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printf("Error: can't write LM87 config register\n"); |
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return; |
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} |
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/* Start monitoring */ |
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val = 0x01; |
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if (i2c_write(this->chip, 0x40, 1, &val, 1)) |
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{ |
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printf("Error: can't write LM87 config register\n"); |
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return; |
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} |
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} |
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static void sysmon_pic_init (sysmon_t * this) |
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{ |
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} |
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static uint sysmon_i2c_read (sysmon_t * this, uint addr) |
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{ |
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uchar val; |
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uint res = i2c_read(this->chip, addr, 1, &val, 1); |
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return res == 0 ? val : -1; |
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} |
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static uint sysmon_i2c_read_sgn (sysmon_t * this, uint addr) |
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{ |
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uchar val; |
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return i2c_read(this->chip, addr, 1, &val, 1) == 0 ? |
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128 + (signed char)val : -1; |
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} |
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static void sysmon_ccfl_disable (sysmon_table_t * this) |
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{ |
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if (!this->val_valid) |
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{ |
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sysmon_temp_invalid = 1; |
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} |
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} |
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static void sysmon_ccfl_enable (sysmon_table_t * this) |
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{ |
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ulong reg; |
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if (!sysmon_temp_invalid) |
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{ |
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reg = pic_read (0x60); |
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reg |= 0x02; |
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pic_write (0x60, reg); |
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} |
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} |
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int sysmon_post_test (int flags) |
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{ |
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DECLARE_GLOBAL_DATA_PTR; |
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int res = 0; |
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sysmon_table_t * t; |
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uint val; |
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/*
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* The A/D conversion on the LM87 sensor takes 300 ms. |
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*/ |
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if (! conversion_done) |
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{ |
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while (post_time_ms(gd->post_init_f_time) < 300) WATCHDOG_RESET (); |
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conversion_done = 1; |
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} |
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for (t = sysmon_table; t < sysmon_table + sysmon_table_size; t ++) |
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{ |
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if (t->exec_before) |
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{ |
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t->exec_before(t); |
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} |
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val = t->sysmon->read(t->sysmon, t->addr); |
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t->val_valid = val >= t->val_min && val <= t->val_max; |
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if (t->exec_after) |
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{ |
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t->exec_after(t); |
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} |
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#ifndef DEBUG |
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if (!t->val_valid) |
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#endif |
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{ |
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printf("%-17s = %-10s ", t->name, sysmon_unit_value(t, val)); |
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printf("allowed range"); |
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printf(" %-8s ..", sysmon_unit_value(t, t->val_min)); |
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printf(" %-8s", sysmon_unit_value(t, t->val_max)); |
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printf(" %s\n", t->val_valid ? "OK" : "FAIL"); |
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} |
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if (!t->val_valid) |
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{ |
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res = -1; |
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} |
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} |
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return res; |
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} |
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#endif /* CONFIG_POST & CFG_POST_SYSMON */ |
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#endif /* CONFIG_POST */ |
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