diff options
Diffstat (limited to 'post/i2c.c')
| -rw-r--r-- | post/i2c.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/post/i2c.c b/post/i2c.c deleted file mode 100644 index 1b2e644..0000000 --- a/post/i2c.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * (C) Copyright 2002 - * 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 <common.h> - -#ifdef CONFIG_POST - -/* - * I2C test - * - * For verifying the I2C bus, a full I2C bus scanning is performed. - * - * #ifdef I2C_ADDR_LIST - * The test is considered as passed if all the devices and - * only the devices in the list are found. - * #else [ ! I2C_ADDR_LIST ] - * The test is considered as passed if any I2C device is found. - * #endif - */ - -#include <post.h> -#include <i2c.h> - -#if CONFIG_POST & CFG_POST_I2C - -int i2c_post_test (int flags) -{ - unsigned int i; - unsigned int good = 0; -#ifdef I2C_ADDR_LIST - unsigned int bad = 0; - int j; - unsigned char i2c_addr_list[] = I2C_ADDR_LIST; - unsigned char i2c_miss_list[] = I2C_ADDR_LIST; -#endif - - for (i = 0; i < 128; i++) { - if (i2c_probe (i) == 0) { -#ifndef I2C_ADDR_LIST - good++; -#else /* I2C_ADDR_LIST */ - for (j=0; j<sizeof(i2c_addr_list); ++j) { - if (i == i2c_addr_list[j]) { - good++; - i2c_miss_list[j] = 0xFF; - break; - } - } - if (j == sizeof(i2c_addr_list)) { - bad++; - post_log ("I2C: addr %02X not expected\n", - i); - } -#endif /* I2C_ADDR_LIST */ - } - } - -#ifndef I2C_ADDR_LIST - return good > 0 ? 0 : -1; -#else /* I2C_ADDR_LIST */ - if (good != sizeof(i2c_addr_list)) { - for (j=0; j<sizeof(i2c_miss_list); ++j) { - if (i2c_miss_list[j] != 0xFF) { - post_log ("I2C: addr %02X did not respond\n", - i2c_miss_list[j]); - } - } - } - return ((good == sizeof(i2c_addr_list)) && (bad == 0)) ? 0 : -1; -#endif -} - -#endif /* CONFIG_POST & CFG_POST_I2C */ -#endif /* CONFIG_POST */ |