mx27: basic cpu support

This patch adds generic code to support Freescale's i.MX27 SoCs.

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
This commit is contained in:
Ilya Yanok 2009-06-08 04:12:45 +04:00 committed by Jean-Christophe PLAGNIOL-VILLARD
parent dd2f6965a6
commit 1dc4da749d
7 changed files with 1097 additions and 0 deletions

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#
# (C) Copyright 2000-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# 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., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).a
COBJS = generic.o reset.o timer.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
all: $(obj).depend $(LIB)
$(LIB): $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

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/*
* Copyright (c) 2008 Eric Jarrige <eric.jarrige@armadeus.org>
* Copyright (c) 2009 Ilya Yanok <yanok@emcraft.com>
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <div64.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
/*
* get the system pll clock in Hz
*
* mfi + mfn / (mfd +1)
* f = 2 * f_ref * --------------------
* pd + 1
*/
unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref)
{
unsigned int mfi = (pll >> 10) & 0xf;
unsigned int mfn = pll & 0x3ff;
unsigned int mfd = (pll >> 16) & 0x3ff;
unsigned int pd = (pll >> 26) & 0xf;
mfi = mfi <= 5 ? 5 : mfi;
return lldiv(2 * (u64)f_ref * (mfi * (mfd + 1) + mfn),
(mfd + 1) * (pd + 1));
}
static ulong clk_in_32k(void)
{
return 1024 * CONFIG_MX27_CLK32;
}
static ulong clk_in_26m(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
if (readl(&pll->cscr) & CSCR_OSC26M_DIV1P5) {
/* divide by 1.5 */
return 26000000 * 2 / 3;
} else {
return 26000000;
}
}
ulong imx_get_mpllclk(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
ulong cscr = readl(&pll->cscr);
ulong fref;
if (cscr & CSCR_MCU_SEL)
fref = clk_in_26m();
else
fref = clk_in_32k();
return imx_decode_pll(readl(&pll->mpctl0), fref);
}
ulong imx_get_armclk(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
ulong cscr = readl(&pll->cscr);
ulong fref = imx_get_mpllclk();
ulong div;
if (!(cscr & CSCR_ARM_SRC_MPLL))
fref = lldiv((fref * 2), 3);
div = ((cscr >> 12) & 0x3) + 1;
return lldiv(fref, div);
}
ulong imx_get_ahbclk(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
ulong cscr = readl(&pll->cscr);
ulong fref = imx_get_mpllclk();
ulong div;
div = ((cscr >> 8) & 0x3) + 1;
return lldiv(fref * 2, 3 * div);
}
ulong imx_get_spllclk(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
ulong cscr = readl(&pll->cscr);
ulong fref;
if (cscr & CSCR_SP_SEL)
fref = clk_in_26m();
else
fref = clk_in_32k();
return imx_decode_pll(readl(&pll->spctl0), fref);
}
static ulong imx_decode_perclk(ulong div)
{
return lldiv((imx_get_mpllclk() * 2), (div * 3));
}
ulong imx_get_perclk1(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
return imx_decode_perclk((readl(&pll->pcdr1) & 0x3f) + 1);
}
ulong imx_get_perclk2(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
return imx_decode_perclk(((readl(&pll->pcdr1) >> 8) & 0x3f) + 1);
}
ulong imx_get_perclk3(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
return imx_decode_perclk(((readl(&pll->pcdr1) >> 16) & 0x3f) + 1);
}
ulong imx_get_perclk4(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
return imx_decode_perclk(((readl(&pll->pcdr1) >> 24) & 0x3f) + 1);
}
#if defined(CONFIG_DISPLAY_CPUINFO)
int print_cpuinfo (void)
{
char buf[32];
printf("CPU: Freescale i.MX27 at %s MHz\n\n",
strmhz(buf, imx_get_mpllclk()));
return 0;
}
#endif
void imx_gpio_mode(int gpio_mode)
{
struct gpio_regs *regs = (struct gpio_regs *)IMX_GPIO_BASE;
unsigned int pin = gpio_mode & GPIO_PIN_MASK;
unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
unsigned int aout = (gpio_mode & GPIO_AOUT_MASK) >> GPIO_AOUT_SHIFT;
unsigned int bout = (gpio_mode & GPIO_BOUT_MASK) >> GPIO_BOUT_SHIFT;
unsigned int tmp;
/* Pullup enable */
if (gpio_mode & GPIO_PUEN) {
writel(readl(&regs->port[port].puen) | (1 << pin),
&regs->port[port].puen);
} else {
writel(readl(&regs->port[port].puen) & ~(1 << pin),
&regs->port[port].puen);
}
/* Data direction */
if (gpio_mode & GPIO_OUT) {
writel(readl(&regs->port[port].ddir) | 1 << pin,
&regs->port[port].ddir);
} else {
writel(readl(&regs->port[port].ddir) & ~(1 << pin),
&regs->port[port].ddir);
}
/* Primary / alternate function */
if (gpio_mode & GPIO_AF) {
writel(readl(&regs->port[port].gpr) | (1 << pin),
&regs->port[port].gpr);
} else {
writel(readl(&regs->port[port].gpr) & ~(1 << pin),
&regs->port[port].gpr);
}
/* use as gpio? */
if (!(gpio_mode & (GPIO_PF | GPIO_AF))) {
writel(readl(&regs->port[port].gius) | (1 << pin),
&regs->port[port].gius);
} else {
writel(readl(&regs->port[port].gius) & ~(1 << pin),
&regs->port[port].gius);
}
/* Output / input configuration */
if (pin < 16) {
tmp = readl(&regs->port[port].ocr1);
tmp &= ~(3 << (pin * 2));
tmp |= (ocr << (pin * 2));
writel(tmp, &regs->port[port].ocr1);
writel(readl(&regs->port[port].iconfa1) & ~(3 << (pin * 2)),
&regs->port[port].iconfa1);
writel(readl(&regs->port[port].iconfa1) | aout << (pin * 2),
&regs->port[port].iconfa1);
writel(readl(&regs->port[port].iconfb1) & ~(3 << (pin * 2)),
&regs->port[port].iconfb1);
writel(readl(&regs->port[port].iconfb1) | bout << (pin * 2),
&regs->port[port].iconfb1);
} else {
pin -= 16;
tmp = readl(&regs->port[port].ocr2);
tmp &= ~(3 << (pin * 2));
tmp |= (ocr << (pin * 2));
writel(tmp, &regs->port[port].ocr2);
writel(readl(&regs->port[port].iconfa2) & ~(3 << (pin * 2)),
&regs->port[port].iconfa2);
writel(readl(&regs->port[port].iconfa2) | aout << (pin * 2),
&regs->port[port].iconfa2);
writel(readl(&regs->port[port].iconfb2) & ~(3 << (pin * 2)),
&regs->port[port].iconfb2);
writel(readl(&regs->port[port].iconfb2) | bout << (pin * 2),
&regs->port[port].iconfb2);
}
}

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/*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Alex Zuepke <azu@sysgo.de>
*
* (C) Copyright 2002
* Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
*
* (C) Copyright 2009
* Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
/*
* Reset the cpu by setting up the watchdog timer and let it time out
*/
void reset_cpu (ulong ignored)
{
struct wdog_regs *regs = (struct wdog_regs *)IMX_WDT_BASE;
/* Disable watchdog and set Time-Out field to 0 */
writel(0x00000000, &regs->wcr);
/* Write Service Sequence */
writel(0x00005555, &regs->wsr);
writel(0x0000AAAA, &regs->wsr);
/* Enable watchdog */
writel(WCR_WDE, &regs->wcr);
while (1);
/*NOTREACHED*/
}

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cpu/arm926ejs/mx27/timer.c Normal file
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/*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Alex Zuepke <azu@sysgo.de>
*
* (C) Copyright 2002
* Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
*
* (C) Copyright 2009
* Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <div64.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
/* General purpose timers bitfields */
#define GPTCR_SWR (1 << 15) /* Software reset */
#define GPTCR_FRR (1 << 8) /* Freerun / restart */
#define GPTCR_CLKSOURCE_32 (4 << 1) /* Clock source */
#define GPTCR_TEN 1 /* Timer enable */
static ulong timestamp;
static ulong lastinc;
/*
* "time" is measured in 1 / CONFIG_SYS_HZ seconds,
* "tick" is internal timer period
*/
#ifdef CONFIG_MX27_TIMER_HIGH_PRECISION
/* ~0.4% error - measured with stop-watch on 100s boot-delay */
static inline unsigned long long tick_to_time(unsigned long long tick)
{
tick *= CONFIG_SYS_HZ;
do_div(tick, CONFIG_MX27_CLK32);
return tick;
}
static inline unsigned long long time_to_tick(unsigned long long time)
{
time *= CONFIG_MX27_CLK32;
do_div(time, CONFIG_SYS_HZ);
return time;
}
static inline unsigned long long us_to_tick(unsigned long long us)
{
us = us * CONFIG_MX27_CLK32 + 999999;
do_div(us, 1000000);
return us;
}
#else
/* ~2% error */
#define TICK_PER_TIME ((CONFIG_MX27_CLK32 + CONFIG_SYS_HZ / 2) / \
CONFIG_SYS_HZ)
#define US_PER_TICK (1000000 / CONFIG_MX27_CLK32)
static inline unsigned long long tick_to_time(unsigned long long tick)
{
do_div(tick, TICK_PER_TIME);
return tick;
}
static inline unsigned long long time_to_tick(unsigned long long time)
{
return time * TICK_PER_TIME;
}
static inline unsigned long long us_to_tick(unsigned long long us)
{
us += US_PER_TICK - 1;
do_div(us, US_PER_TICK);
return us;
}
#endif
/* nothing really to do with interrupts, just starts up a counter. */
/* The 32768Hz 32-bit timer overruns in 131072 seconds */
int timer_init(void)
{
int i;
struct gpt_regs *regs = (struct gpt_regs *)IMX_TIM1_BASE;
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
/* setup GP Timer 1 */
writel(GPTCR_SWR, &regs->gpt_tctl);
writel(readl(&pll->pccr0) | PCCR0_GPT1_EN, &pll->pccr0);
writel(readl(&pll->pccr1) | PCCR1_PERCLK1_EN, &pll->pccr1);
for (i = 0; i < 100; i++)
writel(0, &regs->gpt_tctl); /* We have no udelay by now */
writel(0, &regs->gpt_tprer); /* 32Khz */
/* Freerun Mode, PERCLK1 input */
writel(readl(&regs->gpt_tctl) | GPTCR_CLKSOURCE_32 | GPTCR_FRR,
&regs->gpt_tctl);
writel(readl(&regs->gpt_tctl) | GPTCR_TEN, &regs->gpt_tctl);
return 0;
}
void reset_timer_masked(void)
{
struct gpt_regs *regs = (struct gpt_regs *)IMX_TIM1_BASE;
/* reset time */
/* capture current incrementer value time */
lastinc = readl(&regs->gpt_tcn);
timestamp = 0; /* start "advancing" time stamp from 0 */
}
void reset_timer(void)
{
reset_timer_masked();
}
unsigned long long get_ticks (void)
{
struct gpt_regs *regs = (struct gpt_regs *)IMX_TIM1_BASE;
ulong now = readl(&regs->gpt_tcn); /* current tick value */
if (now >= lastinc) {
/*
* normal mode (non roll)
* move stamp forward with absolut diff ticks
*/
timestamp += (now - lastinc);
} else {
/* we have rollover of incrementer */
timestamp += (0xFFFFFFFF - lastinc) + now;
}
lastinc = now;
return timestamp;
}
ulong get_timer_masked (void)
{
/*
* get_ticks() returns a long long (64 bit), it wraps in
* 2^64 / CONFIG_MX27_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
* 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
* 5 * 10^6 days - long enough.
*/
return tick_to_time(get_ticks());
}
ulong get_timer (ulong base)
{
return get_timer_masked () - base;
}
void set_timer (ulong t)
{
timestamp = time_to_tick(t);
}
/* delay x useconds AND perserve advance timstamp value */
void udelay (unsigned long usec)
{
unsigned long long tmp;
ulong tmo;
tmo = us_to_tick(usec);
tmp = get_ticks() + tmo; /* get current timestamp */
while (get_ticks() < tmp) /* loop till event */
/*NOP*/;
}

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#define AIPI1_PSR0 0x10000000
#define AIPI1_PSR1 0x10000004
#define AIPI2_PSR0 0x10020000
#define AIPI2_PSR1 0x10020004
#define CSCR 0x10027000
#define MPCTL0 0x10027004
#define SPCTL0 0x1002700c
#define PCDR0 0x10027018
#define PCDR1 0x1002701c
#define PCCR0 0x10027020
#define PCCR1 0x10027024
#define ESDCTL0_ROF 0x00
#define ESDCFG0_ROF 0x04
#define ESDCTL1_ROF 0x08
#define ESDCFG1_ROF 0x0C
#define ESDMISC_ROF 0x10

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/*
*
* (c) 2009 Ilya Yanok, Emcraft Systems <yanok@emcraft.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_CLOCK_H
#define __ASM_ARCH_CLOCK_H
unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref);
ulong imx_get_mpllclk(void);
ulong imx_get_armclk(void);
ulong imx_get_spllclk(void);
ulong imx_get_fclk(void);
ulong imx_get_hclk(void);
ulong imx_get_bclk(void);
ulong imx_get_perclk1(void);
ulong imx_get_perclk2(void);
ulong imx_get_perclk3(void);
ulong imx_get_ahbclk(void);
#endif /* __ASM_ARCH_CLOCK_H */

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/*
*
* (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
* (c) 2009 Ilya Yanok, Emcraft Systems <yanok@emcraft.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef _IMX_REGS_H
#define _IMX_REGS_H
#ifndef __ASSEMBLY__
extern void imx_gpio_mode (int gpio_mode);
/* AIPI */
struct aipi_regs {
u32 psr0;
u32 psr1;
};
/* System Control */
struct system_control_regs {
u32 res[5];
u32 fmcr;
u32 gpcr;
u32 wbcr;
u32 dscr1;
u32 dscr2;
u32 dscr3;
u32 dscr4;
u32 dscr5;
u32 dscr6;
u32 dscr7;
u32 dscr8;
u32 dscr9;
u32 dscr10;
u32 dscr11;
u32 dscr12;
u32 dscr13;
u32 pscr;
u32 pmcr;
u32 res1;
u32 dcvr0;
u32 dcvr1;
u32 dcvr2;
u32 dcvr3;
};
/* Chip Select Registers */
struct weim_regs {
u32 cs0u; /* Chip Select 0 Upper Register */
u32 cs0l; /* Chip Select 0 Lower Register */
u32 cs0a; /* Chip Select 0 Addition Register */
u32 pad0;
u32 cs1u; /* Chip Select 1 Upper Register */
u32 cs1l; /* Chip Select 1 Lower Register */
u32 cs1a; /* Chip Select 1 Addition Register */
u32 pad1;
u32 cs2u; /* Chip Select 2 Upper Register */
u32 cs2l; /* Chip Select 2 Lower Register */
u32 cs2a; /* Chip Select 2 Addition Register */
u32 pad2;
u32 cs3u; /* Chip Select 3 Upper Register */
u32 cs3l; /* Chip Select 3 Lower Register */
u32 cs3a; /* Chip Select 3 Addition Register */
u32 pad3;
u32 cs4u; /* Chip Select 4 Upper Register */
u32 cs4l; /* Chip Select 4 Lower Register */
u32 cs4a; /* Chip Select 4 Addition Register */
u32 pad4;
u32 cs5u; /* Chip Select 5 Upper Register */
u32 cs5l; /* Chip Select 5 Lower Register */
u32 cs5a; /* Chip Select 5 Addition Register */
u32 pad5;
u32 eim; /* WEIM Configuration Register */
};
/* SDRAM Controller registers */
struct esdramc_regs {
/* Enhanced SDRAM Control Register 0 */
u32 esdctl0;
/* Enhanced SDRAM Configuration Register 0 */
u32 esdcfg0;
/* Enhanced SDRAM Control Register 1 */
u32 esdctl1;
/* Enhanced SDRAM Configuration Register 1 */
u32 esdcfg1;
/* Enhanced SDRAM Miscellanious Register */
u32 esdmisc;
};
/* Watchdog Registers*/
struct wdog_regs {
u32 wcr;
u32 wsr;
u32 wstr;
};
/* PLL registers */
struct pll_regs {
u32 cscr; /* Clock Source Control Register */
u32 mpctl0; /* MCU PLL Control Register 0 */
u32 mpctl1; /* MCU PLL Control Register 1 */
u32 spctl0; /* System PLL Control Register 0 */
u32 spctl1; /* System PLL Control Register 1 */
u32 osc26mctl; /* Oscillator 26M Register */
u32 pcdr0; /* Peripheral Clock Divider Register 0 */
u32 pcdr1; /* Peripheral Clock Divider Register 1 */
u32 pccr0; /* Peripheral Clock Control Register 0 */
u32 pccr1; /* Peripheral Clock Control Register 1 */
u32 ccsr; /* Clock Control Status Register */
};
/*
* Definitions for the clocksource registers
*/
struct gpt_regs {
u32 gpt_tctl;
u32 gpt_tprer;
u32 gpt_tcmp;
u32 gpt_tcr;
u32 gpt_tcn;
u32 gpt_tstat;
};
/*
* GPIO Module and I/O Multiplexer
*/
#define PORTA 0
#define PORTB 1
#define PORTC 2
#define PORTD 3
#define PORTE 4
#define PORTF 5
struct gpio_regs {
struct {
u32 ddir;
u32 ocr1;
u32 ocr2;
u32 iconfa1;
u32 iconfa2;
u32 iconfb1;
u32 iconfb2;
u32 dr;
u32 gius;
u32 ssr;
u32 icr1;
u32 icr2;
u32 imr;
u32 isr;
u32 gpr;
u32 swr;
u32 puen;
u32 res[0x2f];
} port[6];
};
/* IIM Control Registers */
struct iim_regs {
u32 iim_stat;
u32 iim_statm;
u32 iim_err;
u32 iim_emask;
u32 iim_fctl;
u32 iim_ua;
u32 iim_la;
u32 iim_sdat;
u32 iim_prev;
u32 iim_srev;
u32 iim_prog_p;
u32 iim_scs0;
u32 iim_scs1;
u32 iim_scs2;
u32 iim_scs3;
u32 res[0x1F0];
u32 iim_bank_area0[0x100];
};
#endif
#define IMX_IO_BASE 0x10000000
#define IMX_AIPI1_BASE (0x00000 + IMX_IO_BASE)
#define IMX_WDT_BASE (0x02000 + IMX_IO_BASE)
#define IMX_TIM1_BASE (0x03000 + IMX_IO_BASE)
#define IMX_TIM2_BASE (0x04000 + IMX_IO_BASE)
#define IMX_TIM3_BASE (0x05000 + IMX_IO_BASE)
#define IMX_UART1_BASE (0x0a000 + IMX_IO_BASE)
#define IMX_UART2_BASE (0x0b000 + IMX_IO_BASE)
#define IMX_UART3_BASE (0x0c000 + IMX_IO_BASE)
#define IMX_UART4_BASE (0x0d000 + IMX_IO_BASE)
#define IMX_I2C1_BASE (0x12000 + IMX_IO_BASE)
#define IMX_GPIO_BASE (0x15000 + IMX_IO_BASE)
#define IMX_TIM4_BASE (0x19000 + IMX_IO_BASE)
#define IMX_TIM5_BASE (0x1a000 + IMX_IO_BASE)
#define IMX_UART5_BASE (0x1b000 + IMX_IO_BASE)
#define IMX_UART6_BASE (0x1c000 + IMX_IO_BASE)
#define IMX_I2C2_BASE (0x1D000 + IMX_IO_BASE)
#define IMX_TIM6_BASE (0x1f000 + IMX_IO_BASE)
#define IMX_AIPI2_BASE (0x20000 + IMX_IO_BASE)
#define IMX_PLL_BASE (0x27000 + IMX_IO_BASE)
#define IMX_SYSTEM_CTL_BASE (0x27800 + IMX_IO_BASE)
#define IMX_IIM_BASE (0x28000 + IMX_IO_BASE)
#define IMX_FEC_BASE (0x2b000 + IMX_IO_BASE)
#define IMX_ESD_BASE (0xD8001000)
#define IMX_WEIM_BASE (0xD8002000)
/* FMCR System Control bit definition*/
#define UART4_RXD_CTL (1 << 25)
#define UART4_RTS_CTL (1 << 24)
#define KP_COL6_CTL (1 << 18)
#define KP_ROW7_CTL (1 << 17)
#define KP_ROW6_CTL (1 << 16)
#define PC_WAIT_B_CTL (1 << 14)
#define PC_READY_CTL (1 << 13)
#define PC_VS1_CTL (1 << 12)
#define PC_VS2_CTL (1 << 11)
#define PC_BVD1_CTL (1 << 10)
#define PC_BVD2_CTL (1 << 9)
#define IOS16_CTL (1 << 8)
#define NF_FMS (1 << 5)
#define NF_16BIT_SEL (1 << 4)
#define SLCDC_SEL (1 << 2)
#define SDCS1_SEL (1 << 1)
#define SDCS0_SEL (1 << 0)
/* important definition of some bits of WCR */
#define WCR_WDE 0x04
#define CSCR_MPEN (1 << 0)
#define CSCR_SPEN (1 << 1)
#define CSCR_FPM_EN (1 << 2)
#define CSCR_OSC26M_DIS (1 << 3)
#define CSCR_OSC26M_DIV1P5 (1 << 4)
#define CSCR_AHB_DIV
#define CSCR_ARM_DIV
#define CSCR_ARM_SRC_MPLL (1 << 15)
#define CSCR_MCU_SEL (1 << 16)
#define CSCR_SP_SEL (1 << 17)
#define CSCR_MPLL_RESTART (1 << 18)
#define CSCR_SPLL_RESTART (1 << 19)
#define CSCR_MSHC_SEL (1 << 20)
#define CSCR_H264_SEL (1 << 21)
#define CSCR_SSI1_SEL (1 << 22)
#define CSCR_SSI2_SEL (1 << 23)
#define CSCR_SD_CNT
#define CSCR_USB_DIV
#define CSCR_UPDATE_DIS (1 << 31)
#define MPCTL1_BRMO (1 << 6)
#define MPCTL1_LF (1 << 15)
#define PCCR0_SSI2_EN (1 << 0)
#define PCCR0_SSI1_EN (1 << 1)
#define PCCR0_SLCDC_EN (1 << 2)
#define PCCR0_SDHC3_EN (1 << 3)
#define PCCR0_SDHC2_EN (1 << 4)
#define PCCR0_SDHC1_EN (1 << 5)
#define PCCR0_SDC_EN (1 << 6)
#define PCCR0_SAHARA_EN (1 << 7)
#define PCCR0_RTIC_EN (1 << 8)
#define PCCR0_RTC_EN (1 << 9)
#define PCCR0_PWM_EN (1 << 11)
#define PCCR0_OWIRE_EN (1 << 12)
#define PCCR0_MSHC_EN (1 << 13)
#define PCCR0_LCDC_EN (1 << 14)
#define PCCR0_KPP_EN (1 << 15)
#define PCCR0_IIM_EN (1 << 16)
#define PCCR0_I2C2_EN (1 << 17)
#define PCCR0_I2C1_EN (1 << 18)
#define PCCR0_GPT6_EN (1 << 19)
#define PCCR0_GPT5_EN (1 << 20)
#define PCCR0_GPT4_EN (1 << 21)
#define PCCR0_GPT3_EN (1 << 22)
#define PCCR0_GPT2_EN (1 << 23)
#define PCCR0_GPT1_EN (1 << 24)
#define PCCR0_GPIO_EN (1 << 25)
#define PCCR0_FEC_EN (1 << 26)
#define PCCR0_EMMA_EN (1 << 27)
#define PCCR0_DMA_EN (1 << 28)
#define PCCR0_CSPI3_EN (1 << 29)
#define PCCR0_CSPI2_EN (1 << 30)
#define PCCR0_CSPI1_EN (1 << 31)
#define PCCR1_MSHC_BAUDEN (1 << 2)
#define PCCR1_NFC_BAUDEN (1 << 3)
#define PCCR1_SSI2_BAUDEN (1 << 4)
#define PCCR1_SSI1_BAUDEN (1 << 5)
#define PCCR1_H264_BAUDEN (1 << 6)
#define PCCR1_PERCLK4_EN (1 << 7)
#define PCCR1_PERCLK3_EN (1 << 8)
#define PCCR1_PERCLK2_EN (1 << 9)
#define PCCR1_PERCLK1_EN (1 << 10)
#define PCCR1_HCLK_USB (1 << 11)
#define PCCR1_HCLK_SLCDC (1 << 12)
#define PCCR1_HCLK_SAHARA (1 << 13)
#define PCCR1_HCLK_RTIC (1 << 14)
#define PCCR1_HCLK_LCDC (1 << 15)
#define PCCR1_HCLK_H264 (1 << 16)
#define PCCR1_HCLK_FEC (1 << 17)
#define PCCR1_HCLK_EMMA (1 << 18)
#define PCCR1_HCLK_EMI (1 << 19)
#define PCCR1_HCLK_DMA (1 << 20)
#define PCCR1_HCLK_CSI (1 << 21)
#define PCCR1_HCLK_BROM (1 << 22)
#define PCCR1_HCLK_ATA (1 << 23)
#define PCCR1_WDT_EN (1 << 24)
#define PCCR1_USB_EN (1 << 25)
#define PCCR1_UART6_EN (1 << 26)
#define PCCR1_UART5_EN (1 << 27)
#define PCCR1_UART4_EN (1 << 28)
#define PCCR1_UART3_EN (1 << 29)
#define PCCR1_UART2_EN (1 << 30)
#define PCCR1_UART1_EN (1 << 31)
/* SDRAM Controller registers bitfields */
#define ESDCTL_PRCT(x) (((x) & 0x3f) << 0)
#define ESDCTL_BL (1 << 7)
#define ESDCTL_FP (1 << 8)
#define ESDCTL_PWDT(x) (((x) & 3) << 10)
#define ESDCTL_SREFR(x) (((x) & 7) << 13)
#define ESDCTL_DSIZ_16_UPPER (0 << 16)
#define ESDCTL_DSIZ_16_LOWER (1 << 16)
#define ESDCTL_DSIZ_32 (2 << 16)
#define ESDCTL_COL8 (0 << 20)
#define ESDCTL_COL9 (1 << 20)
#define ESDCTL_COL10 (2 << 20)
#define ESDCTL_ROW11 (0 << 24)
#define ESDCTL_ROW12 (1 << 24)
#define ESDCTL_ROW13 (2 << 24)
#define ESDCTL_ROW14 (3 << 24)
#define ESDCTL_ROW15 (4 << 24)
#define ESDCTL_SP (1 << 27)
#define ESDCTL_SMODE_NORMAL (0 << 28)
#define ESDCTL_SMODE_PRECHARGE (1 << 28)
#define ESDCTL_SMODE_AUTO_REF (2 << 28)
#define ESDCTL_SMODE_LOAD_MODE (3 << 28)
#define ESDCTL_SMODE_MAN_REF (4 << 28)
#define ESDCTL_SDE (1 << 31)
#define ESDCFG_TRC(x) (((x) & 0xf) << 0)
#define ESDCFG_TRCD(x) (((x) & 0x7) << 4)
#define ESDCFG_TCAS(x) (((x) & 0x3) << 8)
#define ESDCFG_TRRD(x) (((x) & 0x3) << 10)
#define ESDCFG_TRAS(x) (((x) & 0x7) << 12)
#define ESDCFG_TWR (1 << 15)
#define ESDCFG_TMRD(x) (((x) & 0x3) << 16)
#define ESDCFG_TRP(x) (((x) & 0x3) << 18)
#define ESDCFG_TWTR (1 << 20)
#define ESDCFG_TXP(x) (((x) & 0x3) << 21)
#define ESDMISC_RST (1 << 1)
#define ESDMISC_MDDREN (1 << 2)
#define ESDMISC_MDDR_DL_RST (1 << 3)
#define ESDMISC_MDDR_MDIS (1 << 4)
#define ESDMISC_LHD (1 << 5)
#define ESDMISC_MA10_SHARE (1 << 6)
#define ESDMISC_SDRAM_RDY (1 << 31)
#define PC5_PF_I2C2_DATA (GPIO_PORTC | GPIO_OUT | GPIO_PF | 5)
#define PC6_PF_I2C2_CLK (GPIO_PORTC | GPIO_OUT | GPIO_PF | 6)
#define PC7_PF_USBOTG_DATA5 (GPIO_PORTC | GPIO_OUT | GPIO_PF | 7)
#define PC8_PF_USBOTG_DATA6 (GPIO_PORTC | GPIO_OUT | GPIO_PF | 8)
#define PC9_PF_USBOTG_DATA0 (GPIO_PORTC | GPIO_OUT | GPIO_PF | 9)
#define PC10_PF_USBOTG_DATA2 (GPIO_PORTC | GPIO_OUT | GPIO_PF | 10)
#define PC11_PF_USBOTG_DATA1 (GPIO_PORTC | GPIO_OUT | GPIO_PF | 11)
#define PC12_PF_USBOTG_DATA4 (GPIO_PORTC | GPIO_OUT | GPIO_PF | 12)
#define PC13_PF_USBOTG_DATA3 (GPIO_PORTC | GPIO_OUT | GPIO_PF | 13)
#define PD0_AIN_FEC_TXD0 (GPIO_PORTD | GPIO_OUT | GPIO_AIN | 0)
#define PD1_AIN_FEC_TXD1 (GPIO_PORTD | GPIO_OUT | GPIO_AIN | 1)
#define PD2_AIN_FEC_TXD2 (GPIO_PORTD | GPIO_OUT | GPIO_AIN | 2)
#define PD3_AIN_FEC_TXD3 (GPIO_PORTD | GPIO_OUT | GPIO_AIN | 3)
#define PD4_AOUT_FEC_RX_ER (GPIO_PORTD | GPIO_IN | GPIO_AOUT | 4)
#define PD5_AOUT_FEC_RXD1 (GPIO_PORTD | GPIO_IN | GPIO_AOUT | 5)
#define PD6_AOUT_FEC_RXD2 (GPIO_PORTD | GPIO_IN | GPIO_AOUT | 6)
#define PD7_AOUT_FEC_RXD3 (GPIO_PORTD | GPIO_IN | GPIO_AOUT | 7)
#define PD8_AF_FEC_MDIO (GPIO_PORTD | GPIO_IN | GPIO_AF | 8)
#define PD9_AIN_FEC_MDC (GPIO_PORTD | GPIO_OUT | GPIO_AIN | 9)
#define PD10_AOUT_FEC_CRS (GPIO_PORTD | GPIO_IN | GPIO_AOUT | 10)
#define PD11_AOUT_FEC_TX_CLK (GPIO_PORTD | GPIO_IN | GPIO_AOUT | 11)
#define PD12_AOUT_FEC_RXD0 (GPIO_PORTD | GPIO_IN | GPIO_AOUT | 12)
#define PD13_AOUT_FEC_RX_DV (GPIO_PORTD | GPIO_IN | GPIO_AOUT | 13)
#define PD14_AOUT_FEC_CLR (GPIO_PORTD | GPIO_IN | GPIO_AOUT | 14)
#define PD15_AOUT_FEC_COL (GPIO_PORTD | GPIO_IN | GPIO_AOUT | 15)
#define PD16_AIN_FEC_TX_ER (GPIO_PORTD | GPIO_OUT | GPIO_AIN | 16)
#define PF23_AIN_FEC_TX_EN (GPIO_PORTF | GPIO_OUT | GPIO_AIN | 23)
#define PE0_PF_USBOTG_NXT (GPIO_PORTE | GPIO_OUT | GPIO_PF | 0)
#define PE1_PF_USBOTG_STP (GPIO_PORTE | GPIO_OUT | GPIO_PF | 1)
#define PE2_PF_USBOTG_DIR (GPIO_PORTE | GPIO_OUT | GPIO_PF | 2)
#define PE3_PF_UART2_CTS (GPIO_PORTE | GPIO_OUT | GPIO_PF | 3)
#define PE4_PF_UART2_RTS (GPIO_PORTE | GPIO_IN | GPIO_PF | 4)
#define PE6_PF_UART2_TXD (GPIO_PORTE | GPIO_OUT | GPIO_PF | 6)
#define PE7_PF_UART2_RXD (GPIO_PORTE | GPIO_IN | GPIO_PF | 7)
#define PE8_PF_UART3_TXD (GPIO_PORTE | GPIO_OUT | GPIO_PF | 8)
#define PE9_PF_UART3_RXD (GPIO_PORTE | GPIO_IN | GPIO_PF | 9)
#define PE10_PF_UART3_CTS (GPIO_PORTE | GPIO_OUT | GPIO_PF | 10)
#define PE11_PF_UART3_RTS (GPIO_PORTE | GPIO_IN | GPIO_PF | 11)
#define PE12_PF_UART1_TXD (GPIO_PORTE | GPIO_OUT | GPIO_PF | 12)
#define PE13_PF_UART1_RXD (GPIO_PORTE | GPIO_IN | GPIO_PF | 13)
#define PE14_PF_UART1_CTS (GPIO_PORTE | GPIO_OUT | GPIO_PF | 14)
#define PE15_PF_UART1_RTS (GPIO_PORTE | GPIO_IN | GPIO_PF | 15)
#define PE18_PF_SD1_D0 (GPIO_PORTE | GPIO_PF | 18)
#define PE19_PF_SD1_D1 (GPIO_PORTE | GPIO_PF | 19)
#define PE20_PF_SD1_D2 (GPIO_PORTE | GPIO_PF | 20)
#define PE21_PF_SD1_D3 (GPIO_PORTE | GPIO_PF | 21)
#define PE22_PF_SD1_CMD (GPIO_PORTE | GPIO_PF | 22)
#define PE23_PF_SD1_CLK (GPIO_PORTE | GPIO_PF | 23)
#define PB4_PF_SD2_D0 (GPIO_PORTB | GPIO_PF | 4)
#define PB5_PF_SD2_D1 (GPIO_PORTB | GPIO_PF | 5)
#define PB6_PF_SD2_D2 (GPIO_PORTB | GPIO_PF | 6)
#define PB7_PF_SD2_D3 (GPIO_PORTB | GPIO_PF | 7)
#define PB8_PF_SD2_CMD (GPIO_PORTB | GPIO_PF | 8)
#define PB9_PF_SD2_CLK (GPIO_PORTB | GPIO_PF | 9)
#define PD17_PF_I2C_DATA (GPIO_PORTD | GPIO_OUT | GPIO_PF | 17)
#define PD18_PF_I2C_CLK (GPIO_PORTD | GPIO_OUT | GPIO_PF | 18)
#define PE24_PF_USBOTG_CLK (GPIO_PORTE | GPIO_OUT | GPIO_PF | 24)
#define PE25_PF_USBOTG_DATA7 (GPIO_PORTE | GPIO_OUT | GPIO_PF | 25)
/* Clocksource Bitfields */
#define TCTL_SWR (1 << 15) /* Software reset */
#define TCTL_FRR (1 << 8) /* Freerun / restart */
#define TCTL_CAP (3 << 6) /* Capture Edge */
#define TCTL_OM (1 << 5) /* output mode */
#define TCTL_IRQEN (1 << 4) /* interrupt enable */
#define TCTL_CLKSOURCE 1 /* Clock source bit position */
#define TCTL_TEN 1 /* Timer enable */
#define TPRER_PRES 0xff /* Prescale */
#define TSTAT_CAPT (1 << 1) /* Capture event */
#define TSTAT_COMP 1 /* Compare event */
#define GPIO_PIN_MASK 0x1f
#define GPIO_PORT_SHIFT 5
#define GPIO_PORT_MASK (0x7 << GPIO_PORT_SHIFT)
#define GPIO_PORTA (PORTA << GPIO_PORT_SHIFT)
#define GPIO_PORTB (PORTB << GPIO_PORT_SHIFT)
#define GPIO_PORTC (PORTC << GPIO_PORT_SHIFT)
#define GPIO_PORTD (PORTD << GPIO_PORT_SHIFT)
#define GPIO_PORTE (PORTE << GPIO_PORT_SHIFT)
#define GPIO_PORTF (PORTF << GPIO_PORT_SHIFT)
#define GPIO_OUT (1 << 8)
#define GPIO_IN (0 << 8)
#define GPIO_PUEN (1 << 9)
#define GPIO_PF (1 << 10)
#define GPIO_AF (1 << 11)
#define GPIO_OCR_SHIFT 12
#define GPIO_OCR_MASK (3 << GPIO_OCR_SHIFT)
#define GPIO_AIN (0 << GPIO_OCR_SHIFT)
#define GPIO_BIN (1 << GPIO_OCR_SHIFT)
#define GPIO_CIN (2 << GPIO_OCR_SHIFT)
#define GPIO_GPIO (3 << GPIO_OCR_SHIFT)
#define GPIO_AOUT_SHIFT 14
#define GPIO_AOUT_MASK (3 << GPIO_AOUT_SHIFT)
#define GPIO_AOUT (0 << GPIO_AOUT_SHIFT)
#define GPIO_AOUT_ISR (1 << GPIO_AOUT_SHIFT)
#define GPIO_AOUT_0 (2 << GPIO_AOUT_SHIFT)
#define GPIO_AOUT_1 (3 << GPIO_AOUT_SHIFT)
#define GPIO_BOUT_SHIFT 16
#define GPIO_BOUT_MASK (3 << GPIO_BOUT_SHIFT)
#define GPIO_BOUT (0 << GPIO_BOUT_SHIFT)
#define GPIO_BOUT_ISR (1 << GPIO_BOUT_SHIFT)
#define GPIO_BOUT_0 (2 << GPIO_BOUT_SHIFT)
#define GPIO_BOUT_1 (3 << GPIO_BOUT_SHIFT)
#define IIM_STAT_BUSY (1 << 7)
#define IIM_STAT_PRGD (1 << 1)
#define IIM_STAT_SNSD (1 << 0)
#define IIM_ERR_PRGE (1 << 7)
#define IIM_ERR_WPE (1 << 6)
#define IIM_ERR_OPE (1 << 5)
#define IIM_ERR_RPE (1 << 4)
#define IIM_ERR_WLRE (1 << 3)
#define IIM_ERR_SNSE (1 << 2)
#define IIM_ERR_PARITYE (1 << 1)
/* Definitions for i.MX27 TO2 */
#define IIM0_MAC 5
#define IIM0_SCC_KEY 11
#define IIM1_SUID 1
#endif /* _IMX_REGS_H */