d0e8c35862
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30793 a1c6a512-1295-4272-9138-f99709370657
106 lines
4.1 KiB
C
106 lines
4.1 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright © 2011 by Amaury Pouly
|
|
*
|
|
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
#ifndef CLKCTRL_IMX233_H
|
|
#define CLKCTRL_IMX233_H
|
|
|
|
#include "config.h"
|
|
#include "system.h"
|
|
#include "cpu.h"
|
|
|
|
#define HW_CLKCTRL_BASE 0x80040000
|
|
|
|
#define HW_CLKCTRL_PLLCTRL0 (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x0))
|
|
#define HW_CLKCTRL_PLLCTRL0__EN_USB_CLKS (1 << 18)
|
|
#define HW_CLKCTRL_PLLCTRL0__DIV_SEL_BP 20
|
|
#define HW_CLKCTRL_PLLCTRL0__DIV_SEL_BM (3 << 20)
|
|
|
|
#define HW_CLKCTRL_PLLCTRL1 (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x10))
|
|
|
|
#define HW_CLKCTRL_CPU (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x20))
|
|
#define HW_CLKCTRL_CPU__DIV_CPU_BP 0
|
|
#define HW_CLKCTRL_CPU__DIV_CPU_BM 0x3f
|
|
#define HW_CLKCTRL_CPU__BUSY_REF_CPU (1 << 28)
|
|
|
|
#define HW_CLKCTRL_HBUS (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x30))
|
|
#define HW_CLKCTRL_HBUS__DIV_BP 0
|
|
#define HW_CLKCTRL_HBUS__DIV_BM 0x1f
|
|
|
|
#define HW_CLKCTRL_XBUS (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x40))
|
|
#define HW_CLKCTRL_XBUS__DIV_BP 0
|
|
#define HW_CLKCTRL_XBUS__DIV_BM 0x3ff
|
|
#define HW_CLKCTRL_XBUS__BUSY (1 << 31)
|
|
|
|
#define HW_CLKCTRL_XTAL (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x50))
|
|
#define HW_CLKCTRL_XTAL__TIMROT_CLK32K_GATE (1 << 26)
|
|
#define HW_CLKCTRL_XTAL__DRI_CLK24M_GATE (1 << 28)
|
|
#define HW_CLKCTRL_XTAL__FILT_CLK24M_GATE (1 << 30)
|
|
|
|
#define HW_CLKCTRL_PIX (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x60))
|
|
#define HW_CLKCTRL_PIX__DIV_BM 0xfff
|
|
|
|
#define HW_CLKCTRL_SSP (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x70))
|
|
#define HW_CLKCTRL_SSP__DIV_BM 0x1ff
|
|
|
|
#define HW_CLKCTRL_CLKSEQ (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x110))
|
|
#define HW_CLKCTRL_CLKSEQ__BYPASS_PIX (1 << 1)
|
|
#define HW_CLKCTRL_CLKSEQ__BYPASS_SSP (1 << 5)
|
|
#define HW_CLKCTRL_CLKSEQ__BYPASS_CPU (1 << 7)
|
|
|
|
#define HW_CLKCTRL_FRAC (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0xf0))
|
|
#define HW_CLKCTRL_FRAC_CPU (*(volatile uint8_t *)(HW_CLKCTRL_BASE + 0xf0))
|
|
#define HW_CLKCTRL_FRAC_EMI (*(volatile uint8_t *)(HW_CLKCTRL_BASE + 0xf1))
|
|
#define HW_CLKCTRL_FRAC_PIX (*(volatile uint8_t *)(HW_CLKCTRL_BASE + 0xf2))
|
|
#define HW_CLKCTRL_FRAC_IO (*(volatile uint8_t *)(HW_CLKCTRL_BASE + 0xf3))
|
|
#define HW_CLKCTRL_FRAC_XX__XXDIV_BM 0x3f
|
|
#define HW_CLKCTRL_FRAC_XX__XX_STABLE (1 << 6)
|
|
#define HW_CLKCTRL_FRAC_XX__CLKGATEXX (1 << 7)
|
|
|
|
#define HW_CLKCTRL_RESET (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x120))
|
|
#define HW_CLKCTRL_RESET_CHIP 0x2
|
|
#define HW_CLKCTRL_RESET_DIG 0x1
|
|
|
|
enum imx233_clock_t
|
|
{
|
|
CLK_PIX, /* div, frac */
|
|
CLK_SSP, /* div, frac */
|
|
CLK_IO, /* div */
|
|
CLK_CPU, /* div, frac */
|
|
CLK_AHB /* div */
|
|
};
|
|
|
|
enum imx233_xtal_clkt_t
|
|
{
|
|
XTAL_FILT = 1 << 30,
|
|
XTAL_DRI = 1 << 28,
|
|
XTAL_TIMROT = 1 << 26,
|
|
};
|
|
|
|
/* can use a mask of clocks */
|
|
void imx233_enable_xtal_clock(enum imx233_xtal_clkt_t xtal_clk, bool enable);
|
|
/* only use it for non-fractional clocks (ie not for IO) */
|
|
void imx233_enable_clock(enum imx233_clock_t clk, bool enable);
|
|
void imx233_set_clock_divisor(enum imx233_clock_t clk, int div);
|
|
/* call with fracdiv=0 to disable it */
|
|
void imx233_set_fractional_divisor(enum imx233_clock_t clk, int fracdiv);
|
|
void imx233_set_bypass_pll(enum imx233_clock_t clk, bool bypass);
|
|
void imx233_enable_usb_pll(bool enable);
|
|
|
|
#endif /* CLKCTRL_IMX233_H */
|