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author | Igor Grinberg <grinberg@compulab.co.il> | 2013-04-22 01:06:53 (GMT) |
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committer | Tom Rini <trini@ti.com> | 2013-05-10 12:25:56 (GMT) |
commit | 811acf923d8a0052f22b50306d9362d7e0f8e108 (patch) | |
tree | 8d5c7507e38bc9b094798c021cc311e3ba364223 /board/cm_t35/eeprom.c | |
parent | 584506bee694643214152ed2bec9a99df9a244d6 (diff) | |
download | u-boot-fsl-qoriq-811acf923d8a0052f22b50306d9362d7e0f8e108.tar.xz |
cm-t35: move cm-t35 to live in compulab directory
Currently the cm-t35 support code lives under board/cm_t35 directory.
Some of the code can be shared with other/future CompuLab boards,
so move the cm-t35 to live under board/compulab/cm_t35 directory.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Tested-by: Nikita Kiryanov <nikita@compulab.co.il>
Diffstat (limited to 'board/cm_t35/eeprom.c')
-rw-r--r-- | board/cm_t35/eeprom.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/board/cm_t35/eeprom.c b/board/cm_t35/eeprom.c deleted file mode 100644 index b0af103..0000000 --- a/board/cm_t35/eeprom.c +++ /dev/null @@ -1,130 +0,0 @@ -/* - * (C) Copyright 2011 CompuLab, Ltd. <www.compulab.co.il> - * - * Authors: Nikita Kiryanov <nikita@compulab.co.il> - * Igor Grinberg <grinberg@compulab.co.il> - * - * 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. - */ - -#include <common.h> -#include <i2c.h> - -#define EEPROM_LAYOUT_VER_OFFSET 44 -#define BOARD_SERIAL_OFFSET 20 -#define BOARD_SERIAL_OFFSET_LEGACY 8 -#define BOARD_REV_OFFSET 0 -#define BOARD_REV_OFFSET_LEGACY 6 -#define BOARD_REV_SIZE 2 -#define MAC_ADDR_OFFSET 4 -#define MAC_ADDR_OFFSET_LEGACY 0 - -#define LAYOUT_INVALID 0 -#define LAYOUT_LEGACY 0xff - -static int eeprom_layout; /* Implicitly LAYOUT_INVALID */ - -static int cm_t3x_eeprom_read(uint offset, uchar *buf, int len) -{ - return i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, offset, - CONFIG_SYS_I2C_EEPROM_ADDR_LEN, buf, len); -} - -static int eeprom_setup_layout(void) -{ - int res; - - if (eeprom_layout != LAYOUT_INVALID) - return 0; - - res = cm_t3x_eeprom_read(EEPROM_LAYOUT_VER_OFFSET, - (uchar *)&eeprom_layout, 1); - if (res) { - eeprom_layout = LAYOUT_INVALID; - return res; - } - - if (eeprom_layout == 0 || eeprom_layout >= 0x20) - eeprom_layout = LAYOUT_LEGACY; - - return 0; -} - -void get_board_serial(struct tag_serialnr *serialnr) -{ - u32 serial[2]; - uint offset; - - memset(serialnr, 0, sizeof(*serialnr)); - if (eeprom_setup_layout()) - return; - - offset = (eeprom_layout != LAYOUT_LEGACY) ? - BOARD_SERIAL_OFFSET : BOARD_SERIAL_OFFSET_LEGACY; - if (cm_t3x_eeprom_read(offset, (uchar *)serial, 8)) - return; - - if (serial[0] != 0xffffffff && serial[1] != 0xffffffff) { - serialnr->low = serial[0]; - serialnr->high = serial[1]; - } -} - -/* - * Routine: cm_t3x_eeprom_read_mac_addr - * Description: read mac address and store it in buf. - */ -int cm_t3x_eeprom_read_mac_addr(uchar *buf) -{ - uint offset; - - if (eeprom_setup_layout()) - return 0; - - offset = (eeprom_layout != LAYOUT_LEGACY) ? - MAC_ADDR_OFFSET : MAC_ADDR_OFFSET_LEGACY; - return cm_t3x_eeprom_read(offset, buf, 6); -} - -/* - * Routine: cm_t3x_eeprom_get_board_rev - * Description: read system revision from eeprom - */ -u32 cm_t3x_eeprom_get_board_rev(void) -{ - u32 rev = 0; - char str[5]; /* Legacy representation can contain at most 4 digits */ - uint offset = BOARD_REV_OFFSET_LEGACY; - - if (eeprom_setup_layout()) - return 0; - - if (eeprom_layout != LAYOUT_LEGACY) - offset = BOARD_REV_OFFSET; - - if (cm_t3x_eeprom_read(offset, (uchar *)&rev, BOARD_REV_SIZE)) - return 0; - - /* - * Convert legacy syntactic representation to semantic - * representation. i.e. for rev 1.00: 0x100 --> 0x64 - */ - if (eeprom_layout == LAYOUT_LEGACY) { - sprintf(str, "%x", rev); - rev = simple_strtoul(str, NULL, 10); - } - - return rev; -}; |