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authorMartin Braun <martin.braun@ettus.com>2014-10-07 09:39:25 +0200
committerMartin Braun <martin.braun@ettus.com>2014-10-07 09:39:25 +0200
commit5bd58bc309e959537e3e820abfa39ee629b140a5 (patch)
tree81e3a611134e02d9118f0aa846b7146234849fe8 /firmware/zpu/lib/eeprom.c
parent9f6a11173aef5e661100268bd746963d713adb91 (diff)
downloaduhd-5bd58bc309e959537e3e820abfa39ee629b140a5.tar.gz
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Reorganized firmware/ subdirectory (x300->usrp3, zpu->usrp2)
Diffstat (limited to 'firmware/zpu/lib/eeprom.c')
-rw-r--r--firmware/zpu/lib/eeprom.c81
1 files changed, 0 insertions, 81 deletions
diff --git a/firmware/zpu/lib/eeprom.c b/firmware/zpu/lib/eeprom.c
deleted file mode 100644
index d4e170046..000000000
--- a/firmware/zpu/lib/eeprom.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright 2007 Free Software Foundation, Inc.
- *
- * 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 3 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "i2c.h"
-#include "mdelay.h"
-#include "usrp2/fw_common.h"
-
-static const int EEPROM_PAGESIZE = 16;
-
-bool find_safe_booted_flag(void) {
- unsigned char flag_byte;
- eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_BOOTLOADER_FLAGS, &flag_byte, 1);
- return (flag_byte == 0x5E);
-}
-
-void set_safe_booted_flag(bool flag) {
- unsigned char flag_byte = flag ? 0x5E : 0xDC;
- eeprom_write(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_BOOTLOADER_FLAGS, &flag_byte, 1);
-}
-
-bool
-eeprom_write (int i2c_addr, int eeprom_offset, const void *buf, int len)
-{
- unsigned char cmd[2];
- const unsigned char *p = (unsigned char *) buf;
-
- // The simplest thing that could possibly work:
- // all writes are single byte writes.
- //
- // We could speed this up using the page write feature,
- // but we write so infrequently, why bother...
-
- while (len-- > 0){
- cmd[0] = eeprom_offset++;
- cmd[1] = *p++;
- bool r = i2c_write (i2c_addr, cmd, sizeof (cmd));
- mdelay (10); // delay 10ms worst case write time
- if (!r)
- return false;
- }
- return true;
-}
-
-bool
-eeprom_read (int i2c_addr, int eeprom_offset, void *buf, int len)
-{
- unsigned char *p = (unsigned char *) buf;
-
- // We setup a random read by first doing a "zero byte write".
- // Writes carry an address. Reads use an implicit address.
-
- unsigned char cmd[1];
- cmd[0] = eeprom_offset;
- if (!i2c_write (i2c_addr, cmd, sizeof (cmd)))
- return false;
-
- while (len > 0){
- // int n = std::min (len, MAX_EP0_PKTSIZE);
- int n = len;
- if (!i2c_read (i2c_addr, p, n))
- return false;
- len -= n;
- p += n;
- }
- return true;
-}
-