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Tim Schendekehl024b61c2011-11-01 23:55:01 +00001/*
2 * (C) Copyright 2011
3 * egnite GmbH <info@egnite.de>
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24/*
25 * Ethernut 5 power management support
26 *
27 * For additional information visit the project home page at
28 * http://www.ethernut.de/
29 */
30
31/* I2C address of the PMC */
32#define PWRMAN_I2C_ADDR 0x22
33
34/* PMC registers */
35#define PWRMAN_REG_VERS 0 /* Version register */
36#define PWRMAN_REG_STA 1 /* Feature status register */
37#define PWRMAN_REG_ENA 2 /* Feature enable register */
38#define PWRMAN_REG_DIS 3 /* Feature disable register */
39#define PWRMAN_REG_TEMP 4 /* Board temperature */
40#define PWRMAN_REG_VAUX 6 /* Auxiliary input voltage */
41#define PWRMAN_REG_LEDCTL 8 /* LED blinking timer. */
42
43/* Feature flags used in status, enable and disable registers */
44#define PWRMAN_BOARD 0x01 /* 1.8V and 3.3V supply */
45#define PWRMAN_VBIN 0x02 /* VBUS input at device connector */
46#define PWRMAN_VBOUT 0x04 /* VBUS output at host connector */
47#define PWRMAN_MMC 0x08 /* Memory card supply */
48#define PWRMAN_RS232 0x10 /* RS-232 driver shutdown */
49#define PWRMAN_ETHCLK 0x20 /* Ethernet clock enable */
50#define PWRMAN_ETHRST 0x40 /* Ethernet PHY reset */
51#define PWRMAN_WAKEUP 0x80 /* RTC wake-up */
52
53/* Features, which are not essential to keep u-boot alive */
54#define PWRMAN_DISPENSIBLE (PWRMAN_VBOUT | PWRMAN_MMC | PWRMAN_ETHCLK)
55
56/* Enable Ethernut 5 power management. */
57extern void ethernut5_power_init(void);
58
59/* Reset Ethernet PHY. */
60extern void ethernut5_phy_reset(void);
61
62extern void ethernut5_print_version(void);
63
64#ifdef CONFIG_CMD_BSP
65extern void ethernut5_print_power(void);
66extern void ethernut5_print_celsius(void);
67extern void ethernut5_print_voltage(void);
68#endif