summaryrefslogtreecommitdiff
path: root/firmware/target/arm/imx233/clkctrl-imx233.h
diff options
context:
space:
mode:
Diffstat (limited to 'firmware/target/arm/imx233/clkctrl-imx233.h')
-rw-r--r--firmware/target/arm/imx233/clkctrl-imx233.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/firmware/target/arm/imx233/clkctrl-imx233.h b/firmware/target/arm/imx233/clkctrl-imx233.h
new file mode 100644
index 0000000000..ffc15c1043
--- /dev/null
+++ b/firmware/target/arm/imx233/clkctrl-imx233.h
@@ -0,0 +1,52 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright © 2011 by Amaury Pouly
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21#ifndef CLKCTRL_IMX233_H
22#define CLKCTRL_IMX233_H
23
24#include "config.h"
25#include "system.h"
26#include "cpu.h"
27
28#define HW_CLKCTRL_BASE 0x80040000
29
30#define HW_CLKCTRL_XTAL (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x50))
31#define HW_CLKCTRL_XTAL__TIMROT_CLK32K_GATE (1 << 26)
32
33#define HW_CLKCTRL_PIX (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x60))
34
35#define HW_CLKCTRL_CLKSEQ (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x110))
36#define HW_CLKCTRL_CLKSEQ__BYPASS_PIX (1 << 1)
37
38#define HW_CLKCTRL_RESET (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x120))
39#define HW_CLKCTRL_RESET_CHIP 0x2
40#define HW_CLKCTRL_RESET_DIG 0x1
41
42enum imx233_clock_t
43{
44 CLK_PIX,
45};
46
47void imx233_enable_timrot_xtal_clk32k(bool enable);
48void imx233_enable_clock(enum imx233_clock_t clk, bool enable);
49void imx233_set_clock_divisor(enum imx233_clock_t clk, int div);
50void imx233_set_bypass_pll(enum imx233_clock_t clk, bool bypass);
51
52#endif /* CLKCTRL_IMX233_H */