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authorH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
committerH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
commit92988a21ad4c4c9504295ccb580c9f806134471b (patch)
tree5effc9f14170112450de05c67dafbe8d5034d595 /post/drivers/i2c.c
parentca2b506783b676c95762c54ea24dcfdaae1947c9 (diff)
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added boot script files to repository
Diffstat (limited to 'post/drivers/i2c.c')
-rw-r--r--post/drivers/i2c.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/post/drivers/i2c.c b/post/drivers/i2c.c
deleted file mode 100644
index 4cbd9f3..0000000
--- a/post/drivers/i2c.c
+++ /dev/null
@@ -1,111 +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
- */
-
-/*
- * I2C test
- *
- * For verifying the I2C bus, a full I2C bus scanning is performed.
- *
- * #ifdef CONFIG_SYS_POST_I2C_ADDRS
- * The test is considered as passed if all the devices and only the devices
- * in the list are found.
- * #ifdef CONFIG_SYS_POST_I2C_IGNORES
- * Ignore devices listed in CONFIG_SYS_POST_I2C_IGNORES. These devices
- * are optional or not vital to board functionality.
- * #endif
- * #else [ ! CONFIG_SYS_POST_I2C_ADDRS ]
- * The test is considered as passed if any I2C device is found.
- * #endif
- */
-
-#include <common.h>
-#include <post.h>
-#include <i2c.h>
-
-#if CONFIG_POST & CONFIG_SYS_POST_I2C
-
-static int i2c_ignore_device(unsigned int chip)
-{
-#ifdef CONFIG_SYS_POST_I2C_IGNORES
- const unsigned char i2c_ignore_list[] = CONFIG_SYS_POST_I2C_IGNORES;
- int i;
-
- for (i = 0; i < sizeof(i2c_ignore_list); i++)
- if (i2c_ignore_list[i] == chip)
- return 1;
-#endif
-
- return 0;
-}
-
-int i2c_post_test (int flags)
-{
- unsigned int i;
-#ifndef CONFIG_SYS_POST_I2C_ADDRS
- /* Start at address 1, address 0 is the general call address */
- for (i = 1; i < 128; i++) {
- if (i2c_ignore_device(i))
- continue;
- if (i2c_probe (i) == 0)
- return 0;
- }
-
- /* No devices found */
- return -1;
-#else
- unsigned int ret = 0;
- int j;
- unsigned char i2c_addr_list[] = CONFIG_SYS_POST_I2C_ADDRS;
-
- /* Start at address 1, address 0 is the general call address */
- for (i = 1; i < 128; i++) {
- if (i2c_ignore_device(i))
- continue;
- if (i2c_probe(i) != 0)
- continue;
-
- for (j = 0; j < sizeof(i2c_addr_list); ++j) {
- if (i == i2c_addr_list[j]) {
- i2c_addr_list[j] = 0xff;
- break;
- }
- }
-
- if (j == sizeof(i2c_addr_list)) {
- ret = -1;
- post_log("I2C: addr %02x not expected\n", i);
- }
- }
-
- for (i = 0; i < sizeof(i2c_addr_list); ++i) {
- if (i2c_addr_list[i] == 0xff)
- continue;
- post_log("I2C: addr %02x did not respond\n", i2c_addr_list[i]);
- ret = -1;
- }
-
- return ret;
-#endif
-}
-
-#endif /* CONFIG_POST & CONFIG_SYS_POST_I2C */