arch-imx is superseeded by the MXC architecture support.
This patch removes arch/arm/mach-imx from the kernel.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
+++ /dev/null
-menu "IMX Implementations"
- depends on ARCH_IMX
-
-config ARCH_MX1ADS
- bool "mx1ads"
- depends on ARCH_IMX
- select ISA
- help
- Say Y here if you are using the Motorola MX1ADS board
-
-endmenu
+++ /dev/null
-#
-# Makefile for the linux kernel.
-#
-
-# Object file lists.
-
-obj-y += irq.o time.o dma.o generic.o clock.o
-
-obj-$(CONFIG_CPU_FREQ_IMX) += cpufreq.o
-
-# Specific board support
-obj-$(CONFIG_ARCH_MX1ADS) += mx1ads.o
-
-# Support for blinky lights
-led-y := leds.o
-
-obj-$(CONFIG_LEDS) += $(led-y)
-led-$(CONFIG_ARCH_MX1ADS) += leds-mx1ads.o
+++ /dev/null
- zreladdr-$(CONFIG_ARCH_MX1ADS) := 0x08008000
-
+++ /dev/null
-/*
- * Copyright (C) 2008 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * 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 <linux/kernel.h>
-#include <linux/device.h>
-#include <linux/list.h>
-#include <linux/math64.h>
-#include <linux/err.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-
-/*
- * Very simple approach: We can't disable clocks, so we do
- * not need refcounting
- */
-
-struct clk {
- struct list_head node;
- const char *name;
- unsigned long (*get_rate)(void);
-};
-
-/*
- * get the system pll clock in Hz
- *
- * mfi + mfn / (mfd +1)
- * f = 2 * f_ref * --------------------
- * pd + 1
- */
-static unsigned long imx_decode_pll(unsigned int pll, u32 f_ref)
-{
- unsigned long long ll;
- unsigned long quot;
-
- u32 mfi = (pll >> 10) & 0xf;
- u32 mfn = pll & 0x3ff;
- u32 mfd = (pll >> 16) & 0x3ff;
- u32 pd = (pll >> 26) & 0xf;
-
- mfi = mfi <= 5 ? 5 : mfi;
-
- ll = 2 * (unsigned long long)f_ref *
- ((mfi << 16) + (mfn << 16) / (mfd + 1));
- quot = (pd + 1) * (1 << 16);
- ll += quot / 2;
- do_div(ll, quot);
- return (unsigned long)ll;
-}
-
-static unsigned long imx_get_system_clk(void)
-{
- u32 f_ref = (CSCR & CSCR_SYSTEM_SEL) ? 16000000 : (CLK32 * 512);
-
- return imx_decode_pll(SPCTL0, f_ref);
-}
-
-static unsigned long imx_get_mcu_clk(void)
-{
- return imx_decode_pll(MPCTL0, CLK32 * 512);
-}
-
-/*
- * get peripheral clock 1 ( UART[12], Timer[12], PWM )
- */
-static unsigned long imx_get_perclk1(void)
-{
- return imx_get_system_clk() / (((PCDR) & 0xf)+1);
-}
-
-/*
- * get peripheral clock 2 ( LCD, SD, SPI[12] )
- */
-static unsigned long imx_get_perclk2(void)
-{
- return imx_get_system_clk() / (((PCDR>>4) & 0xf)+1);
-}
-
-/*
- * get peripheral clock 3 ( SSI )
- */
-static unsigned long imx_get_perclk3(void)
-{
- return imx_get_system_clk() / (((PCDR>>16) & 0x7f)+1);
-}
-
-/*
- * get hclk ( SDRAM, CSI, Memory Stick, I2C, DMA )
- */
-static unsigned long imx_get_hclk(void)
-{
- return imx_get_system_clk() / (((CSCR>>10) & 0xf)+1);
-}
-
-static struct clk clk_system_clk = {
- .name = "system_clk",
- .get_rate = imx_get_system_clk,
-};
-
-static struct clk clk_hclk = {
- .name = "hclk",
- .get_rate = imx_get_hclk,
-};
-
-static struct clk clk_mcu_clk = {
- .name = "mcu_clk",
- .get_rate = imx_get_mcu_clk,
-};
-
-static struct clk clk_perclk1 = {
- .name = "perclk1",
- .get_rate = imx_get_perclk1,
-};
-
-static struct clk clk_uart_clk = {
- .name = "uart_clk",
- .get_rate = imx_get_perclk1,
-};
-
-static struct clk clk_perclk2 = {
- .name = "perclk2",
- .get_rate = imx_get_perclk2,
-};
-
-static struct clk clk_perclk3 = {
- .name = "perclk3",
- .get_rate = imx_get_perclk3,
-};
-
-static struct clk *clks[] = {
- &clk_perclk1,
- &clk_perclk2,
- &clk_perclk3,
- &clk_system_clk,
- &clk_hclk,
- &clk_mcu_clk,
- &clk_uart_clk,
-};
-
-static LIST_HEAD(clocks);
-static DEFINE_MUTEX(clocks_mutex);
-
-struct clk *clk_get(struct device *dev, const char *id)
-{
- struct clk *p, *clk = ERR_PTR(-ENOENT);
-
- mutex_lock(&clocks_mutex);
- list_for_each_entry(p, &clocks, node) {
- if (!strcmp(p->name, id)) {
- clk = p;
- goto found;
- }
- }
-
-found:
- mutex_unlock(&clocks_mutex);
-
- return clk;
-}
-EXPORT_SYMBOL(clk_get);
-
-void clk_put(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_put);
-
-int clk_enable(struct clk *clk)
-{
- return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
- return clk->get_rate();
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-int imx_clocks_init(void)
-{
- int i;
-
- mutex_lock(&clocks_mutex);
- for (i = 0; i < ARRAY_SIZE(clks); i++)
- list_add(&clks[i]->node, &clocks);
- mutex_unlock(&clocks_mutex);
-
- return 0;
-}
-
+++ /dev/null
-/*
- * cpu.c: clock scaling for the iMX
- *
- * Copyright (C) 2000 2001, The Delft University of Technology
- * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
- * Copyright (C) 2006 Inky Lung <ilung@cwlinux.com>
- * Copyright (C) 2006 Pavel Pisa, PiKRON <ppisa@pikron.com>
- *
- * Based on SA1100 version written by:
- * - Johan Pouwelse (J.A.Pouwelse@its.tudelft.nl): initial version
- * - Erik Mouw (J.A.K.Mouw@its.tudelft.nl):
- *
- * 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
- *
- */
-
-/*#define DEBUG*/
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/cpufreq.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <asm/system.h>
-
-#include <mach/hardware.h>
-
-#include "generic.h"
-
-#ifndef __val2mfld
-#define __val2mfld(mask,val) (((mask)&~((mask)<<1))*(val)&(mask))
-#endif
-#ifndef __mfld2val
-#define __mfld2val(mask,val) (((val)&(mask))/((mask)&~((mask)<<1)))
-#endif
-
-#define CR_920T_CLOCK_MODE 0xC0000000
-#define CR_920T_FASTBUS_MODE 0x00000000
-#define CR_920T_ASYNC_MODE 0xC0000000
-
-static u32 mpctl0_at_boot;
-static u32 bclk_div_at_boot;
-
-static struct clk *system_clk, *mcu_clk;
-
-static void imx_set_async_mode(void)
-{
- adjust_cr(CR_920T_CLOCK_MODE, CR_920T_ASYNC_MODE);
-}
-
-static void imx_set_fastbus_mode(void)
-{
- adjust_cr(CR_920T_CLOCK_MODE, CR_920T_FASTBUS_MODE);
-}
-
-static void imx_set_mpctl0(u32 mpctl0)
-{
- unsigned long flags;
-
- if (mpctl0 == 0) {
- local_irq_save(flags);
- CSCR &= ~CSCR_MPEN;
- local_irq_restore(flags);
- return;
- }
-
- local_irq_save(flags);
- MPCTL0 = mpctl0;
- CSCR |= CSCR_MPEN;
- local_irq_restore(flags);
-}
-
-/**
- * imx_compute_mpctl - compute new PLL parameters
- * @new_mpctl: pointer to location assigned by new PLL control register value
- * @cur_mpctl: current PLL control register parameters
- * @f_ref: reference source frequency Hz
- * @freq: required frequency in Hz
- * @relation: is one of %CPUFREQ_RELATION_L (supremum)
- * and %CPUFREQ_RELATION_H (infimum)
- */
-long imx_compute_mpctl(u32 *new_mpctl, u32 cur_mpctl, u32 f_ref, unsigned long freq, int relation)
-{
- u32 mfi;
- u32 mfn;
- u32 mfd;
- u32 pd;
- unsigned long long ll;
- long l;
- long quot;
-
- /* Fdppl=2*Fref*(MFI+MFN/(MFD+1))/(PD+1) */
- /* PD=<0,15>, MFD=<1,1023>, MFI=<5,15> MFN=<0,1022> */
-
- if (cur_mpctl) {
- mfd = ((cur_mpctl >> 16) & 0x3ff) + 1;
- pd = ((cur_mpctl >> 26) & 0xf) + 1;
- } else {
- pd=2; mfd=313;
- }
-
- /* pd=2; mfd=313; mfi=8; mfn=183; */
- /* (MFI+MFN/(MFD)) = Fdppl / (2*Fref) * (PD); */
-
- quot = (f_ref + (1 << 9)) >> 10;
- l = (freq * pd + quot) / (2 * quot);
- mfi = l >> 10;
- mfn = ((l & ((1 << 10) - 1)) * mfd + (1 << 9)) >> 10;
-
- mfd -= 1;
- pd -= 1;
-
- *new_mpctl = ((mfi & 0xf) << 10) | (mfn & 0x3ff) | ((mfd & 0x3ff) << 16)
- | ((pd & 0xf) << 26);
-
- ll = 2 * (unsigned long long)f_ref * ( (mfi<<16) + (mfn<<16) / (mfd+1) );
- quot = (pd+1) * (1<<16);
- ll += quot / 2;
- do_div(ll, quot);
- freq = ll;
-
- pr_debug(KERN_DEBUG "imx: new PLL parameters pd=%d mfd=%d mfi=%d mfn=%d, freq=%ld\n",
- pd, mfd, mfi, mfn, freq);
-
- return freq;
-}
-
-
-static int imx_verify_speed(struct cpufreq_policy *policy)
-{
- if (policy->cpu != 0)
- return -EINVAL;
-
- cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, policy->cpuinfo.max_freq);
-
- return 0;
-}
-
-static unsigned int imx_get_speed(unsigned int cpu)
-{
- unsigned int freq;
- unsigned int cr;
- unsigned int cscr;
- unsigned int bclk_div;
-
- if (cpu)
- return 0;
-
- cscr = CSCR;
- bclk_div = __mfld2val(CSCR_BCLK_DIV, cscr) + 1;
- cr = get_cr();
-
- if((cr & CR_920T_CLOCK_MODE) == CR_920T_FASTBUS_MODE) {
- freq = clk_get_rate(system_clk);
- freq = (freq + bclk_div/2) / bclk_div;
- } else {
- freq = clk_get_rate(mcu_clk);
- if (cscr & CSCR_MPU_PRESC)
- freq /= 2;
- }
-
- freq = (freq + 500) / 1000;
-
- return freq;
-}
-
-static int imx_set_target(struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation)
-{
- struct cpufreq_freqs freqs;
- u32 mpctl0 = 0;
- u32 cscr;
- unsigned long flags;
- long freq;
- long sysclk;
- unsigned int bclk_div = bclk_div_at_boot;
-
- /*
- * Some governors do not respects CPU and policy lower limits
- * which leads to bad things (division by zero etc), ensure
- * that such things do not happen.
- */
- if(target_freq < policy->cpuinfo.min_freq)
- target_freq = policy->cpuinfo.min_freq;
-
- if(target_freq < policy->min)
- target_freq = policy->min;
-
- freq = target_freq * 1000;
-
- pr_debug(KERN_DEBUG "imx: requested frequency %ld Hz, mpctl0 at boot 0x%08x\n",
- freq, mpctl0_at_boot);
-
- sysclk = clk_get_rate(system_clk);
-
- if (freq > sysclk / bclk_div_at_boot + 1000000) {
- freq = imx_compute_mpctl(&mpctl0, mpctl0_at_boot, CLK32 * 512, freq, relation);
- if (freq < 0) {
- printk(KERN_WARNING "imx: target frequency %ld Hz cannot be set\n", freq);
- return -EINVAL;
- }
- } else {
- if(freq + 1000 < sysclk) {
- if (relation == CPUFREQ_RELATION_L)
- bclk_div = (sysclk - 1000) / freq;
- else
- bclk_div = (sysclk + freq + 1000) / freq;
-
- if(bclk_div > 16)
- bclk_div = 16;
- if(bclk_div < bclk_div_at_boot)
- bclk_div = bclk_div_at_boot;
- }
- freq = (sysclk + bclk_div / 2) / bclk_div;
- }
-
- freqs.old = imx_get_speed(0);
- freqs.new = (freq + 500) / 1000;
- freqs.cpu = 0;
- freqs.flags = 0;
-
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
-
- local_irq_save(flags);
-
- imx_set_fastbus_mode();
-
- imx_set_mpctl0(mpctl0);
-
- cscr = CSCR;
- cscr &= ~CSCR_BCLK_DIV;
- cscr |= __val2mfld(CSCR_BCLK_DIV, bclk_div - 1);
- CSCR = cscr;
-
- if(mpctl0) {
- CSCR |= CSCR_MPLL_RESTART;
-
- /* Wait until MPLL is stabilized */
- while( CSCR & CSCR_MPLL_RESTART );
-
- imx_set_async_mode();
- }
-
- local_irq_restore(flags);
-
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
-
- pr_debug(KERN_INFO "imx: set frequency %ld Hz, running from %s\n",
- freq, mpctl0? "MPLL": "SPLL");
-
- return 0;
-}
-
-static int __init imx_cpufreq_driver_init(struct cpufreq_policy *policy)
-{
- printk(KERN_INFO "i.MX cpu freq change driver v1.0\n");
-
- if (policy->cpu != 0)
- return -EINVAL;
-
- policy->cur = policy->min = policy->max = imx_get_speed(0);
- policy->cpuinfo.min_freq = 8000;
- policy->cpuinfo.max_freq = 200000;
- /* Manual states, that PLL stabilizes in two CLK32 periods */
- policy->cpuinfo.transition_latency = 4 * 1000000000LL / CLK32;
- return 0;
-}
-
-static struct cpufreq_driver imx_driver = {
- .flags = CPUFREQ_STICKY,
- .verify = imx_verify_speed,
- .target = imx_set_target,
- .get = imx_get_speed,
- .init = imx_cpufreq_driver_init,
- .name = "imx",
-};
-
-static int __init imx_cpufreq_init(void)
-{
- bclk_div_at_boot = __mfld2val(CSCR_BCLK_DIV, CSCR) + 1;
- mpctl0_at_boot = 0;
-
- system_clk = clk_get(NULL, "system_clk");
- if (IS_ERR(system_clk))
- return PTR_ERR(system_clk);
-
- mcu_clk = clk_get(NULL, "mcu_clk");
- if (IS_ERR(mcu_clk)) {
- clk_put(system_clk);
- return PTR_ERR(mcu_clk);
- }
-
- if((CSCR & CSCR_MPEN) &&
- ((get_cr() & CR_920T_CLOCK_MODE) != CR_920T_FASTBUS_MODE))
- mpctl0_at_boot = MPCTL0;
-
- return cpufreq_register_driver(&imx_driver);
-}
-
-arch_initcall(imx_cpufreq_init);
-
+++ /dev/null
-/*
- * linux/arch/arm/mach-imx/dma.c
- *
- * imx DMA registration and IRQ dispatching
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 2004-03-03 Sascha Hauer <sascha@saschahauer.de>
- * initial version heavily inspired by
- * linux/arch/arm/mach-pxa/dma.c
- *
- * 2005-04-17 Pavel Pisa <pisa@cmp.felk.cvut.cz>
- * Changed to support scatter gather DMA
- * by taking Russell's code from RiscPC
- *
- * 2006-05-31 Pavel Pisa <pisa@cmp.felk.cvut.cz>
- * Corrected error handling code.
- *
- */
-
-#undef DEBUG
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/errno.h>
-
-#include <asm/scatterlist.h>
-#include <asm/system.h>
-#include <asm/irq.h>
-#include <mach/hardware.h>
-#include <mach/dma.h>
-#include <mach/imx-dma.h>
-
-struct imx_dma_channel imx_dma_channels[IMX_DMA_CHANNELS];
-
-/*
- * imx_dma_sg_next - prepare next chunk for scatter-gather DMA emulation
- * @dma_ch: i.MX DMA channel number
- * @lastcount: number of bytes transferred during last transfer
- *
- * Functions prepares DMA controller for next sg data chunk transfer.
- * The @lastcount argument informs function about number of bytes transferred
- * during last block. Zero value can be used for @lastcount to setup DMA
- * for the first chunk.
- */
-static inline int imx_dma_sg_next(imx_dmach_t dma_ch, unsigned int lastcount)
-{
- struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
- unsigned int nextcount;
- unsigned int nextaddr;
-
- if (!imxdma->name) {
- printk(KERN_CRIT "%s: called for not allocated channel %d\n",
- __func__, dma_ch);
- return 0;
- }
-
- imxdma->resbytes -= lastcount;
-
- if (!imxdma->sg) {
- pr_debug("imxdma%d: no sg data\n", dma_ch);
- return 0;
- }
-
- imxdma->sgbc += lastcount;
- if ((imxdma->sgbc >= imxdma->sg->length) || !imxdma->resbytes) {
- if ((imxdma->sgcount <= 1) || !imxdma->resbytes) {
- pr_debug("imxdma%d: sg transfer limit reached\n",
- dma_ch);
- imxdma->sgcount=0;
- imxdma->sg = NULL;
- return 0;
- } else {
- imxdma->sgcount--;
- imxdma->sg++;
- imxdma->sgbc = 0;
- }
- }
- nextcount = imxdma->sg->length - imxdma->sgbc;
- nextaddr = imxdma->sg->dma_address + imxdma->sgbc;
-
- if(imxdma->resbytes < nextcount)
- nextcount = imxdma->resbytes;
-
- if ((imxdma->dma_mode & DMA_MODE_MASK) == DMA_MODE_READ)
- DAR(dma_ch) = nextaddr;
- else
- SAR(dma_ch) = nextaddr;
-
- CNTR(dma_ch) = nextcount;
- pr_debug("imxdma%d: next sg chunk dst 0x%08x, src 0x%08x, size 0x%08x\n",
- dma_ch, DAR(dma_ch), SAR(dma_ch), CNTR(dma_ch));
-
- return nextcount;
-}
-
-/*
- * imx_dma_setup_sg_base - scatter-gather DMA emulation
- * @dma_ch: i.MX DMA channel number
- * @sg: pointer to the scatter-gather list/vector
- * @sgcount: scatter-gather list hungs count
- *
- * Functions sets up i.MX DMA state for emulated scatter-gather transfer
- * and sets up channel registers to be ready for the first chunk
- */
-static int
-imx_dma_setup_sg_base(imx_dmach_t dma_ch,
- struct scatterlist *sg, unsigned int sgcount)
-{
- struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
-
- imxdma->sg = sg;
- imxdma->sgcount = sgcount;
- imxdma->sgbc = 0;
- return imx_dma_sg_next(dma_ch, 0);
-}
-
-/**
- * imx_dma_setup_single - setup i.MX DMA channel for linear memory to/from device transfer
- * @dma_ch: i.MX DMA channel number
- * @dma_address: the DMA/physical memory address of the linear data block
- * to transfer
- * @dma_length: length of the data block in bytes
- * @dev_addr: physical device port address
- * @dmamode: DMA transfer mode, %DMA_MODE_READ from the device to the memory
- * or %DMA_MODE_WRITE from memory to the device
- *
- * The function setups DMA channel source and destination addresses for transfer
- * specified by provided parameters. The scatter-gather emulation is disabled,
- * because linear data block
- * form the physical address range is transferred.
- * Return value: if incorrect parameters are provided -%EINVAL.
- * Zero indicates success.
- */
-int
-imx_dma_setup_single(imx_dmach_t dma_ch, dma_addr_t dma_address,
- unsigned int dma_length, unsigned int dev_addr,
- unsigned int dmamode)
-{
- struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
-
- imxdma->sg = NULL;
- imxdma->sgcount = 0;
- imxdma->dma_mode = dmamode;
- imxdma->resbytes = dma_length;
-
- if (!dma_address) {
- printk(KERN_ERR "imxdma%d: imx_dma_setup_single null address\n",
- dma_ch);
- return -EINVAL;
- }
-
- if (!dma_length) {
- printk(KERN_ERR "imxdma%d: imx_dma_setup_single zero length\n",
- dma_ch);
- return -EINVAL;
- }
-
- if ((dmamode & DMA_MODE_MASK) == DMA_MODE_READ) {
- pr_debug("imxdma%d: mx_dma_setup_single2dev dma_addressg=0x%08x dma_length=%d dev_addr=0x%08x for read\n",
- dma_ch, (unsigned int)dma_address, dma_length,
- dev_addr);
- SAR(dma_ch) = dev_addr;
- DAR(dma_ch) = (unsigned int)dma_address;
- } else if ((dmamode & DMA_MODE_MASK) == DMA_MODE_WRITE) {
- pr_debug("imxdma%d: mx_dma_setup_single2dev dma_addressg=0x%08x dma_length=%d dev_addr=0x%08x for write\n",
- dma_ch, (unsigned int)dma_address, dma_length,
- dev_addr);
- SAR(dma_ch) = (unsigned int)dma_address;
- DAR(dma_ch) = dev_addr;
- } else {
- printk(KERN_ERR "imxdma%d: imx_dma_setup_single bad dmamode\n",
- dma_ch);
- return -EINVAL;
- }
-
- CNTR(dma_ch) = dma_length;
-
- return 0;
-}
-
-/**
- * imx_dma_setup_sg - setup i.MX DMA channel SG list to/from device transfer
- * @dma_ch: i.MX DMA channel number
- * @sg: pointer to the scatter-gather list/vector
- * @sgcount: scatter-gather list hungs count
- * @dma_length: total length of the transfer request in bytes
- * @dev_addr: physical device port address
- * @dmamode: DMA transfer mode, %DMA_MODE_READ from the device to the memory
- * or %DMA_MODE_WRITE from memory to the device
- *
- * The function sets up DMA channel state and registers to be ready for transfer
- * specified by provided parameters. The scatter-gather emulation is set up
- * according to the parameters.
- *
- * The full preparation of the transfer requires setup of more register
- * by the caller before imx_dma_enable() can be called.
- *
- * %BLR(dma_ch) holds transfer burst length in bytes, 0 means 64 bytes
- *
- * %RSSR(dma_ch) has to be set to the DMA request line source %DMA_REQ_xxx
- *
- * %CCR(dma_ch) has to specify transfer parameters, the next settings is typical
- * for linear or simple scatter-gather transfers if %DMA_MODE_READ is specified
- *
- * %CCR_DMOD_LINEAR | %CCR_DSIZ_32 | %CCR_SMOD_FIFO | %CCR_SSIZ_x
- *
- * The typical setup for %DMA_MODE_WRITE is specified by next options combination
- *
- * %CCR_SMOD_LINEAR | %CCR_SSIZ_32 | %CCR_DMOD_FIFO | %CCR_DSIZ_x
- *
- * Be careful here and do not mistakenly mix source and target device
- * port sizes constants, they are really different:
- * %CCR_SSIZ_8, %CCR_SSIZ_16, %CCR_SSIZ_32,
- * %CCR_DSIZ_8, %CCR_DSIZ_16, %CCR_DSIZ_32
- *
- * Return value: if incorrect parameters are provided -%EINVAL.
- * Zero indicates success.
- */
-int
-imx_dma_setup_sg(imx_dmach_t dma_ch,
- struct scatterlist *sg, unsigned int sgcount, unsigned int dma_length,
- unsigned int dev_addr, unsigned int dmamode)
-{
- int res;
- struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
-
- imxdma->sg = NULL;
- imxdma->sgcount = 0;
- imxdma->dma_mode = dmamode;
- imxdma->resbytes = dma_length;
-
- if (!sg || !sgcount) {
- printk(KERN_ERR "imxdma%d: imx_dma_setup_sg epty sg list\n",
- dma_ch);
- return -EINVAL;
- }
-
- if (!sg->length) {
- printk(KERN_ERR "imxdma%d: imx_dma_setup_sg zero length\n",
- dma_ch);
- return -EINVAL;
- }
-
- if ((dmamode & DMA_MODE_MASK) == DMA_MODE_READ) {
- pr_debug("imxdma%d: mx_dma_setup_sg2dev sg=%p sgcount=%d total length=%d dev_addr=0x%08x for read\n",
- dma_ch, sg, sgcount, dma_length, dev_addr);
- SAR(dma_ch) = dev_addr;
- } else if ((dmamode & DMA_MODE_MASK) == DMA_MODE_WRITE) {
- pr_debug("imxdma%d: mx_dma_setup_sg2dev sg=%p sgcount=%d total length=%d dev_addr=0x%08x for write\n",
- dma_ch, sg, sgcount, dma_length, dev_addr);
- DAR(dma_ch) = dev_addr;
- } else {
- printk(KERN_ERR "imxdma%d: imx_dma_setup_sg bad dmamode\n",
- dma_ch);
- return -EINVAL;
- }
-
- res = imx_dma_setup_sg_base(dma_ch, sg, sgcount);
- if (res <= 0) {
- printk(KERN_ERR "imxdma%d: no sg chunk ready\n", dma_ch);
- return -EINVAL;
- }
-
- return 0;
-}
-
-/**
- * imx_dma_setup_handlers - setup i.MX DMA channel end and error notification handlers
- * @dma_ch: i.MX DMA channel number
- * @irq_handler: the pointer to the function called if the transfer
- * ends successfully
- * @err_handler: the pointer to the function called if the premature
- * end caused by error occurs
- * @data: user specified value to be passed to the handlers
- */
-int
-imx_dma_setup_handlers(imx_dmach_t dma_ch,
- void (*irq_handler) (int, void *),
- void (*err_handler) (int, void *, int),
- void *data)
-{
- struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
- unsigned long flags;
-
- if (!imxdma->name) {
- printk(KERN_CRIT "%s: called for not allocated channel %d\n",
- __func__, dma_ch);
- return -ENODEV;
- }
-
- local_irq_save(flags);
- DISR = (1 << dma_ch);
- imxdma->irq_handler = irq_handler;
- imxdma->err_handler = err_handler;
- imxdma->data = data;
- local_irq_restore(flags);
- return 0;
-}
-
-/**
- * imx_dma_enable - function to start i.MX DMA channel operation
- * @dma_ch: i.MX DMA channel number
- *
- * The channel has to be allocated by driver through imx_dma_request()
- * or imx_dma_request_by_prio() function.
- * The transfer parameters has to be set to the channel registers through
- * call of the imx_dma_setup_single() or imx_dma_setup_sg() function
- * and registers %BLR(dma_ch), %RSSR(dma_ch) and %CCR(dma_ch) has to
- * be set prior this function call by the channel user.
- */
-void imx_dma_enable(imx_dmach_t dma_ch)
-{
- struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
- unsigned long flags;
-
- pr_debug("imxdma%d: imx_dma_enable\n", dma_ch);
-
- if (!imxdma->name) {
- printk(KERN_CRIT "%s: called for not allocated channel %d\n",
- __func__, dma_ch);
- return;
- }
-
- local_irq_save(flags);
- DISR = (1 << dma_ch);
- DIMR &= ~(1 << dma_ch);
- CCR(dma_ch) |= CCR_CEN;
- local_irq_restore(flags);
-}
-
-/**
- * imx_dma_disable - stop, finish i.MX DMA channel operatin
- * @dma_ch: i.MX DMA channel number
- */
-void imx_dma_disable(imx_dmach_t dma_ch)
-{
- unsigned long flags;
-
- pr_debug("imxdma%d: imx_dma_disable\n", dma_ch);
-
- local_irq_save(flags);
- DIMR |= (1 << dma_ch);
- CCR(dma_ch) &= ~CCR_CEN;
- DISR = (1 << dma_ch);
- local_irq_restore(flags);
-}
-
-/**
- * imx_dma_request - request/allocate specified channel number
- * @dma_ch: i.MX DMA channel number
- * @name: the driver/caller own non-%NULL identification
- */
-int imx_dma_request(imx_dmach_t dma_ch, const char *name)
-{
- struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
- unsigned long flags;
-
- /* basic sanity checks */
- if (!name)
- return -EINVAL;
-
- if (dma_ch >= IMX_DMA_CHANNELS) {
- printk(KERN_CRIT "%s: called for non-existed channel %d\n",
- __func__, dma_ch);
- return -EINVAL;
- }
-
- local_irq_save(flags);
- if (imxdma->name) {
- local_irq_restore(flags);
- return -ENODEV;
- }
-
- imxdma->name = name;
- imxdma->irq_handler = NULL;
- imxdma->err_handler = NULL;
- imxdma->data = NULL;
- imxdma->sg = NULL;
- local_irq_restore(flags);
- return 0;
-}
-
-/**
- * imx_dma_free - release previously acquired channel
- * @dma_ch: i.MX DMA channel number
- */
-void imx_dma_free(imx_dmach_t dma_ch)
-{
- unsigned long flags;
- struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
-
- if (!imxdma->name) {
- printk(KERN_CRIT
- "%s: trying to free channel %d which is already freed\n",
- __func__, dma_ch);
- return;
- }
-
- local_irq_save(flags);
- /* Disable interrupts */
- DIMR |= (1 << dma_ch);
- CCR(dma_ch) &= ~CCR_CEN;
- imxdma->name = NULL;
- local_irq_restore(flags);
-}
-
-/**
- * imx_dma_request_by_prio - find and request some of free channels best suiting requested priority
- * @name: the driver/caller own non-%NULL identification
- * @prio: one of the hardware distinguished priority level:
- * %DMA_PRIO_HIGH, %DMA_PRIO_MEDIUM, %DMA_PRIO_LOW
- *
- * This function tries to find free channel in the specified priority group
- * if the priority cannot be achieved it tries to look for free channel
- * in the higher and then even lower priority groups.
- *
- * Return value: If there is no free channel to allocate, -%ENODEV is returned.
- * On successful allocation channel is returned.
- */
-imx_dmach_t imx_dma_request_by_prio(const char *name, imx_dma_prio prio)
-{
- int i;
- int best;
-
- switch (prio) {
- case (DMA_PRIO_HIGH):
- best = 8;
- break;
- case (DMA_PRIO_MEDIUM):
- best = 4;
- break;
- case (DMA_PRIO_LOW):
- default:
- best = 0;
- break;
- }
-
- for (i = best; i < IMX_DMA_CHANNELS; i++) {
- if (!imx_dma_request(i, name)) {
- return i;
- }
- }
-
- for (i = best - 1; i >= 0; i--) {
- if (!imx_dma_request(i, name)) {
- return i;
- }
- }
-
- printk(KERN_ERR "%s: no free DMA channel found\n", __func__);
-
- return -ENODEV;
-}
-
-static irqreturn_t dma_err_handler(int irq, void *dev_id)
-{
- int i, disr = DISR;
- struct imx_dma_channel *channel;
- unsigned int err_mask = DBTOSR | DRTOSR | DSESR | DBOSR;
- int errcode;
-
- DISR = disr & err_mask;
- for (i = 0; i < IMX_DMA_CHANNELS; i++) {
- if(!(err_mask & (1 << i)))
- continue;
- channel = &imx_dma_channels[i];
- errcode = 0;
-
- if (DBTOSR & (1 << i)) {
- DBTOSR = (1 << i);
- errcode |= IMX_DMA_ERR_BURST;
- }
- if (DRTOSR & (1 << i)) {
- DRTOSR = (1 << i);
- errcode |= IMX_DMA_ERR_REQUEST;
- }
- if (DSESR & (1 << i)) {
- DSESR = (1 << i);
- errcode |= IMX_DMA_ERR_TRANSFER;
- }
- if (DBOSR & (1 << i)) {
- DBOSR = (1 << i);
- errcode |= IMX_DMA_ERR_BUFFER;
- }
-
- /*
- * The cleaning of @sg field would be questionable
- * there, because its value can help to compute
- * remaining/transferred bytes count in the handler
- */
- /*imx_dma_channels[i].sg = NULL;*/
-
- if (channel->name && channel->err_handler) {
- channel->err_handler(i, channel->data, errcode);
- continue;
- }
-
- imx_dma_channels[i].sg = NULL;
-
- printk(KERN_WARNING
- "DMA timeout on channel %d (%s) -%s%s%s%s\n",
- i, channel->name,
- errcode&IMX_DMA_ERR_BURST? " burst":"",
- errcode&IMX_DMA_ERR_REQUEST? " request":"",
- errcode&IMX_DMA_ERR_TRANSFER? " transfer":"",
- errcode&IMX_DMA_ERR_BUFFER? " buffer":"");
- }
- return IRQ_HANDLED;
-}
-
-static irqreturn_t dma_irq_handler(int irq, void *dev_id)
-{
- int i, disr = DISR;
-
- pr_debug("imxdma: dma_irq_handler called, disr=0x%08x\n",
- disr);
-
- DISR = disr;
- for (i = 0; i < IMX_DMA_CHANNELS; i++) {
- if (disr & (1 << i)) {
- struct imx_dma_channel *channel = &imx_dma_channels[i];
- if (channel->name) {
- if (imx_dma_sg_next(i, CNTR(i))) {
- CCR(i) &= ~CCR_CEN;
- mb();
- CCR(i) |= CCR_CEN;
- } else {
- if (channel->irq_handler)
- channel->irq_handler(i,
- channel->data);
- }
- } else {
- /*
- * IRQ for an unregistered DMA channel:
- * let's clear the interrupts and disable it.
- */
- printk(KERN_WARNING
- "spurious IRQ for DMA channel %d\n", i);
- }
- }
- }
- return IRQ_HANDLED;
-}
-
-static int __init imx_dma_init(void)
-{
- int ret;
- int i;
-
- /* reset DMA module */
- DCR = DCR_DRST;
-
- ret = request_irq(DMA_INT, dma_irq_handler, 0, "DMA", NULL);
- if (ret) {
- printk(KERN_CRIT "Wow! Can't register IRQ for DMA\n");
- return ret;
- }
-
- ret = request_irq(DMA_ERR, dma_err_handler, 0, "DMA", NULL);
- if (ret) {
- printk(KERN_CRIT "Wow! Can't register ERRIRQ for DMA\n");
- free_irq(DMA_INT, NULL);
- }
-
- /* enable DMA module */
- DCR = DCR_DEN;
-
- /* clear all interrupts */
- DISR = (1 << IMX_DMA_CHANNELS) - 1;
-
- /* enable interrupts */
- DIMR = (1 << IMX_DMA_CHANNELS) - 1;
-
- for (i = 0; i < IMX_DMA_CHANNELS; i++) {
- imx_dma_channels[i].sg = NULL;
- imx_dma_channels[i].dma_num = i;
- }
-
- return ret;
-}
-
-arch_initcall(imx_dma_init);
-
-EXPORT_SYMBOL(imx_dma_setup_single);
-EXPORT_SYMBOL(imx_dma_setup_sg);
-EXPORT_SYMBOL(imx_dma_setup_handlers);
-EXPORT_SYMBOL(imx_dma_enable);
-EXPORT_SYMBOL(imx_dma_disable);
-EXPORT_SYMBOL(imx_dma_request);
-EXPORT_SYMBOL(imx_dma_free);
-EXPORT_SYMBOL(imx_dma_request_by_prio);
-EXPORT_SYMBOL(imx_dma_channels);
+++ /dev/null
-/*
- * arch/arm/mach-imx/generic.c
- *
- * author: Sascha Hauer
- * Created: april 20th, 2004
- * Copyright: Synertronixx GmbH
- *
- * Common code for i.MX machines
- *
- * 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 <linux/platform_device.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-
-#include <asm/errno.h>
-#include <mach/hardware.h>
-#include <mach/imx-regs.h>
-
-#include <asm/mach/map.h>
-#include <mach/mmc.h>
-#include <mach/gpio.h>
-
-unsigned long imx_gpio_alloc_map[(GPIO_PORT_MAX + 1) * 32 / BITS_PER_LONG];
-
-void imx_gpio_mode(int gpio_mode)
-{
- 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 tmp;
-
- /* Pullup enable */
- if(gpio_mode & GPIO_PUEN)
- PUEN(port) |= (1<<pin);
- else
- PUEN(port) &= ~(1<<pin);
-
- /* Data direction */
- if(gpio_mode & GPIO_OUT)
- DDIR(port) |= 1<<pin;
- else
- DDIR(port) &= ~(1<<pin);
-
- /* Primary / alternate function */
- if(gpio_mode & GPIO_AF)
- GPR(port) |= (1<<pin);
- else
- GPR(port) &= ~(1<<pin);
-
- /* use as gpio? */
- if(gpio_mode & GPIO_GIUS)
- GIUS(port) |= (1<<pin);
- else
- GIUS(port) &= ~(1<<pin);
-
- /* Output / input configuration */
- /* FIXME: I'm not very sure about OCR and ICONF, someone
- * should have a look over it
- */
- if(pin<16) {
- tmp = OCR1(port);
- tmp &= ~( 3<<(pin*2));
- tmp |= (ocr << (pin*2));
- OCR1(port) = tmp;
-
- ICONFA1(port) &= ~( 3<<(pin*2));
- ICONFA1(port) |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << (pin * 2);
- ICONFB1(port) &= ~( 3<<(pin*2));
- ICONFB1(port) |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << (pin * 2);
- } else {
- tmp = OCR2(port);
- tmp &= ~( 3<<((pin-16)*2));
- tmp |= (ocr << ((pin-16)*2));
- OCR2(port) = tmp;
-
- ICONFA2(port) &= ~( 3<<((pin-16)*2));
- ICONFA2(port) |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << ((pin-16) * 2);
- ICONFB2(port) &= ~( 3<<((pin-16)*2));
- ICONFB2(port) |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << ((pin-16) * 2);
- }
-}
-
-EXPORT_SYMBOL(imx_gpio_mode);
-
-int imx_gpio_request(unsigned gpio, const char *label)
-{
- if(gpio >= (GPIO_PORT_MAX + 1) * 32) {
- printk(KERN_ERR "imx_gpio: Attempt to request nonexistent GPIO %d for \"%s\"\n",
- gpio, label ? label : "?");
- return -EINVAL;
- }
-
- if(test_and_set_bit(gpio, imx_gpio_alloc_map)) {
- printk(KERN_ERR "imx_gpio: GPIO %d already used. Allocation for \"%s\" failed\n",
- gpio, label ? label : "?");
- return -EBUSY;
- }
-
- return 0;
-}
-
-EXPORT_SYMBOL(imx_gpio_request);
-
-void imx_gpio_free(unsigned gpio)
-{
- if(gpio >= (GPIO_PORT_MAX + 1) * 32)
- return;
-
- clear_bit(gpio, imx_gpio_alloc_map);
-}
-
-EXPORT_SYMBOL(imx_gpio_free);
-
-int imx_gpio_direction_input(unsigned gpio)
-{
- imx_gpio_mode(gpio | GPIO_IN | GPIO_GIUS | GPIO_DR);
- return 0;
-}
-
-EXPORT_SYMBOL(imx_gpio_direction_input);
-
-int imx_gpio_direction_output(unsigned gpio, int value)
-{
- imx_gpio_set_value(gpio, value);
- imx_gpio_mode(gpio | GPIO_OUT | GPIO_GIUS | GPIO_DR);
- return 0;
-}
-
-EXPORT_SYMBOL(imx_gpio_direction_output);
-
-int imx_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
- int alloc_mode, const char *label)
-{
- const int *p = pin_list;
- int i;
- unsigned gpio;
- unsigned mode;
-
- for (i = 0; i < count; i++) {
- gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
- mode = *p & ~(GPIO_PIN_MASK | GPIO_PORT_MASK);
-
- if (gpio >= (GPIO_PORT_MAX + 1) * 32)
- goto setup_error;
-
- if (alloc_mode & IMX_GPIO_ALLOC_MODE_RELEASE)
- imx_gpio_free(gpio);
- else if (!(alloc_mode & IMX_GPIO_ALLOC_MODE_NO_ALLOC))
- if (imx_gpio_request(gpio, label))
- if (!(alloc_mode & IMX_GPIO_ALLOC_MODE_TRY_ALLOC))
- goto setup_error;
-
- if (!(alloc_mode & (IMX_GPIO_ALLOC_MODE_ALLOC_ONLY |
- IMX_GPIO_ALLOC_MODE_RELEASE)))
- imx_gpio_mode(gpio | mode);
-
- p++;
- }
- return 0;
-
-setup_error:
- if(alloc_mode & (IMX_GPIO_ALLOC_MODE_NO_ALLOC |
- IMX_GPIO_ALLOC_MODE_TRY_ALLOC))
- return -EINVAL;
-
- while (p != pin_list) {
- p--;
- gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
- imx_gpio_free(gpio);
- }
-
- return -EINVAL;
-}
-
-EXPORT_SYMBOL(imx_gpio_setup_multiple_pins);
-
-void __imx_gpio_set_value(unsigned gpio, int value)
-{
- imx_gpio_set_value_inline(gpio, value);
-}
-
-EXPORT_SYMBOL(__imx_gpio_set_value);
-
-int imx_gpio_to_irq(unsigned gpio)
-{
- return IRQ_GPIOA(0) + gpio;
-}
-
-EXPORT_SYMBOL(imx_gpio_to_irq);
-
-int imx_irq_to_gpio(unsigned irq)
-{
- if (irq < IRQ_GPIOA(0))
- return -EINVAL;
- return irq - IRQ_GPIOA(0);
-}
-
-EXPORT_SYMBOL(imx_irq_to_gpio);
-
-static struct resource imx_mmc_resources[] = {
- [0] = {
- .start = 0x00214000,
- .end = 0x002140FF,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = (SDHC_INT),
- .end = (SDHC_INT),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static u64 imxmmmc_dmamask = 0xffffffffUL;
-
-static struct platform_device imx_mmc_device = {
- .name = "imx-mmc",
- .id = 0,
- .dev = {
- .dma_mask = &imxmmmc_dmamask,
- .coherent_dma_mask = 0xffffffff,
- },
- .num_resources = ARRAY_SIZE(imx_mmc_resources),
- .resource = imx_mmc_resources,
-};
-
-void __init imx_set_mmc_info(struct imxmmc_platform_data *info)
-{
- imx_mmc_device.dev.platform_data = info;
-}
-
-static struct platform_device *devices[] __initdata = {
- &imx_mmc_device,
-};
-
-static struct map_desc imx_io_desc[] __initdata = {
- {
- .virtual = IMX_IO_BASE,
- .pfn = __phys_to_pfn(IMX_IO_PHYS),
- .length = IMX_IO_SIZE,
- .type = MT_DEVICE
- }
-};
-
-void __init
-imx_map_io(void)
-{
- iotable_init(imx_io_desc, ARRAY_SIZE(imx_io_desc));
-}
-
-static int __init imx_init(void)
-{
- return platform_add_devices(devices, ARRAY_SIZE(devices));
-}
-
-subsys_initcall(imx_init);
+++ /dev/null
-/*
- * linux/arch/arm/mach-imx/generic.h
- *
- * Author: Sascha Hauer <sascha@saschahauer.de>
- * Copyright: Synertronixx GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-extern void __init imx_map_io(void);
-extern void __init imx_init_irq(void);
-
-struct sys_timer;
-extern struct sys_timer imx_timer;
+++ /dev/null
-/* arch/arm/mach-imx/include/mach/debug-macro.S
- *
- * Debugging macro include header
- *
- * Copyright (C) 1994-1999 Russell King
- * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
-*/
-
- .macro addruart,rx
- mrc p15, 0, \rx, c1, c0
- tst \rx, #1 @ MMU enabled?
- moveq \rx, #0x00000000 @ physical
- movne \rx, #0xe0000000 @ virtual
- orreq \rx, \rx, #0x00200000 @ physical
- orr \rx, \rx, #0x00006000 @ UART1 offset
- .endm
-
- .macro senduart,rd,rx
- str \rd, [\rx, #0x40] @ TXDATA
- .endm
-
- .macro waituart,rd,rx
- .endm
-
- .macro busyuart,rd,rx
-1002: ldr \rd, [\rx, #0x98] @ SR2
- tst \rd, #1 << 3 @ TXDC
- beq 1002b @ wait until transmit done
- .endm
+++ /dev/null
-/*
- * linux/include/asm-arm/imxads/dma.h
- *
- * Copyright (C) 1997,1998 Russell King
- *
- * 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_DMA_H
-#define __ASM_ARCH_DMA_H
-
-typedef enum {
- DMA_PRIO_HIGH = 0,
- DMA_PRIO_MEDIUM = 1,
- DMA_PRIO_LOW = 2
-} imx_dma_prio;
-
-#define DMA_REQ_UART3_T 2
-#define DMA_REQ_UART3_R 3
-#define DMA_REQ_SSI2_T 4
-#define DMA_REQ_SSI2_R 5
-#define DMA_REQ_CSI_STAT 6
-#define DMA_REQ_CSI_R 7
-#define DMA_REQ_MSHC 8
-#define DMA_REQ_DSPA_DCT_DOUT 9
-#define DMA_REQ_DSPA_DCT_DIN 10
-#define DMA_REQ_DSPA_MAC 11
-#define DMA_REQ_EXT 12
-#define DMA_REQ_SDHC 13
-#define DMA_REQ_SPI1_R 14
-#define DMA_REQ_SPI1_T 15
-#define DMA_REQ_SSI_T 16
-#define DMA_REQ_SSI_R 17
-#define DMA_REQ_ASP_DAC 18
-#define DMA_REQ_ASP_ADC 19
-#define DMA_REQ_USP_EP(x) (20+(x))
-#define DMA_REQ_SPI2_R 26
-#define DMA_REQ_SPI2_T 27
-#define DMA_REQ_UART2_T 28
-#define DMA_REQ_UART2_R 29
-#define DMA_REQ_UART1_T 30
-#define DMA_REQ_UART1_R 31
-
-#endif /* _ASM_ARCH_DMA_H */
+++ /dev/null
-/*
- * arch/arm/mach-imx/include/mach/entry-macro.S
- *
- * Low-level IRQ helper macros for iMX-based platforms
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-#include <mach/hardware.h>
-
- .macro disable_fiq
- .endm
-
- .macro get_irqnr_preamble, base, tmp
- .endm
-
- .macro arch_ret_to_user, tmp1, tmp2
- .endm
-
-#define AITC_NIVECSR 0x40
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- ldr \base, =IO_ADDRESS(IMX_AITC_BASE)
- @ Load offset & priority of the highest priority
- @ interrupt pending.
- ldr \irqstat, [\base, #AITC_NIVECSR]
- @ Shift off the priority leaving the offset or
- @ "interrupt number", use arithmetic shift to
- @ transform illegal source (0xffff) as -1
- mov \irqnr, \irqstat, asr #16
- adds \tmp, \irqnr, #1
- .endm
+++ /dev/null
-#ifndef _IMX_GPIO_H
-
-#include <linux/kernel.h>
-#include <mach/hardware.h>
-#include <mach/imx-regs.h>
-
-#define IMX_GPIO_ALLOC_MODE_NORMAL 0
-#define IMX_GPIO_ALLOC_MODE_NO_ALLOC 1
-#define IMX_GPIO_ALLOC_MODE_TRY_ALLOC 2
-#define IMX_GPIO_ALLOC_MODE_ALLOC_ONLY 4
-#define IMX_GPIO_ALLOC_MODE_RELEASE 8
-
-extern int imx_gpio_request(unsigned gpio, const char *label);
-
-extern void imx_gpio_free(unsigned gpio);
-
-extern int imx_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
- int alloc_mode, const char *label);
-
-extern int imx_gpio_direction_input(unsigned gpio);
-
-extern int imx_gpio_direction_output(unsigned gpio, int value);
-
-extern void __imx_gpio_set_value(unsigned gpio, int value);
-
-static inline int imx_gpio_get_value(unsigned gpio)
-{
- return SSR(gpio >> GPIO_PORT_SHIFT) & (1 << (gpio & GPIO_PIN_MASK));
-}
-
-static inline void imx_gpio_set_value_inline(unsigned gpio, int value)
-{
- unsigned long flags;
-
- raw_local_irq_save(flags);
- if(value)
- DR(gpio >> GPIO_PORT_SHIFT) |= (1 << (gpio & GPIO_PIN_MASK));
- else
- DR(gpio >> GPIO_PORT_SHIFT) &= ~(1 << (gpio & GPIO_PIN_MASK));
- raw_local_irq_restore(flags);
-}
-
-static inline void imx_gpio_set_value(unsigned gpio, int value)
-{
- if(__builtin_constant_p(gpio))
- imx_gpio_set_value_inline(gpio, value);
- else
- __imx_gpio_set_value(gpio, value);
-}
-
-extern int imx_gpio_to_irq(unsigned gpio);
-
-extern int imx_irq_to_gpio(unsigned irq);
-
-/*-------------------------------------------------------------------------*/
-
-/* Wrappers for "new style" GPIO calls. These calls i.MX specific versions
- * to allow future extension of GPIO logic.
- */
-
-static inline int gpio_request(unsigned gpio, const char *label)
-{
- return imx_gpio_request(gpio, label);
-}
-
-static inline void gpio_free(unsigned gpio)
-{
- might_sleep();
-
- imx_gpio_free(gpio);
-}
-
-static inline int gpio_direction_input(unsigned gpio)
-{
- return imx_gpio_direction_input(gpio);
-}
-
-static inline int gpio_direction_output(unsigned gpio, int value)
-{
- return imx_gpio_direction_output(gpio, value);
-}
-
-static inline int gpio_get_value(unsigned gpio)
-{
- return imx_gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
- imx_gpio_set_value(gpio, value);
-}
-
-#include <asm-generic/gpio.h> /* cansleep wrappers */
-
-static inline int gpio_to_irq(unsigned gpio)
-{
- return imx_gpio_to_irq(gpio);
-}
-
-static inline int irq_to_gpio(unsigned irq)
-{
- return imx_irq_to_gpio(irq);
-}
-
-
-#endif
+++ /dev/null
-/*
- * arch/arm/mach-imx/include/mach/hardware.h
- *
- * Copyright (C) 1999 ARM Limited.
- *
- * 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_HARDWARE_H
-#define __ASM_ARCH_HARDWARE_H
-
-#include <asm/sizes.h>
-#include "imx-regs.h"
-
-#ifndef __ASSEMBLY__
-# define __REG(x) (*((volatile u32 *)IO_ADDRESS(x)))
-
-# define __REG2(x,y) (*(volatile u32 *)((u32)&__REG(x) + (y)))
-#endif
-
-/*
- * Memory map
- */
-
-#define IMX_IO_PHYS 0x00200000
-#define IMX_IO_SIZE 0x00100000
-#define IMX_IO_BASE 0xe0000000
-
-#define IMX_CS0_PHYS 0x10000000
-#define IMX_CS0_SIZE 0x02000000
-#define IMX_CS0_VIRT 0xe8000000
-
-#define IMX_CS1_PHYS 0x12000000
-#define IMX_CS1_SIZE 0x01000000
-#define IMX_CS1_VIRT 0xea000000
-
-#define IMX_CS2_PHYS 0x13000000
-#define IMX_CS2_SIZE 0x01000000
-#define IMX_CS2_VIRT 0xeb000000
-
-#define IMX_CS3_PHYS 0x14000000
-#define IMX_CS3_SIZE 0x01000000
-#define IMX_CS3_VIRT 0xec000000
-
-#define IMX_CS4_PHYS 0x15000000
-#define IMX_CS4_SIZE 0x01000000
-#define IMX_CS4_VIRT 0xed000000
-
-#define IMX_CS5_PHYS 0x16000000
-#define IMX_CS5_SIZE 0x01000000
-#define IMX_CS5_VIRT 0xee000000
-
-#define IMX_FB_VIRT 0xF1000000
-#define IMX_FB_SIZE (256*1024)
-
-/* macro to get at IO space when running virtually */
-#define IO_ADDRESS(x) ((x) | IMX_IO_BASE)
-
-#ifndef __ASSEMBLY__
-/*
- * Handy routine to set GPIO functions
- */
-extern void imx_gpio_mode( int gpio_mode );
-
-#endif
-
-#define MAXIRQNUM 62
-#define MAXFIQNUM 62
-#define MAXSWINUM 62
-
-/*
- * Use SDRAM for memory
- */
-#define MEM_SIZE 0x01000000
-
-#ifdef CONFIG_ARCH_MX1ADS
-#include "mx1ads.h"
-#endif
-
-#endif
+++ /dev/null
-/*
- * linux/include/asm-arm/imxads/dma.h
- *
- * Copyright (C) 1997,1998 Russell King
- *
- * 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 <mach/dma.h>
-
-#ifndef __ASM_ARCH_IMX_DMA_H
-#define __ASM_ARCH_IMX_DMA_H
-
-#define IMX_DMA_CHANNELS 11
-
-/*
- * struct imx_dma_channel - i.MX specific DMA extension
- * @name: name specified by DMA client
- * @irq_handler: client callback for end of transfer
- * @err_handler: client callback for error condition
- * @data: clients context data for callbacks
- * @dma_mode: direction of the transfer %DMA_MODE_READ or %DMA_MODE_WRITE
- * @sg: pointer to the actual read/written chunk for scatter-gather emulation
- * @sgbc: counter of processed bytes in the actual read/written chunk
- * @resbytes: total residual number of bytes to transfer
- * (it can be lower or same as sum of SG mapped chunk sizes)
- * @sgcount: number of chunks to be read/written
- *
- * Structure is used for IMX DMA processing. It would be probably good
- * @struct dma_struct in the future for external interfacing and use
- * @struct imx_dma_channel only as extension to it.
- */
-
-struct imx_dma_channel {
- const char *name;
- void (*irq_handler) (int, void *);
- void (*err_handler) (int, void *, int errcode);
- void *data;
- unsigned int dma_mode;
- struct scatterlist *sg;
- unsigned int sgbc;
- unsigned int sgcount;
- unsigned int resbytes;
- int dma_num;
-};
-
-extern struct imx_dma_channel imx_dma_channels[IMX_DMA_CHANNELS];
-
-#define IMX_DMA_ERR_BURST 1
-#define IMX_DMA_ERR_REQUEST 2
-#define IMX_DMA_ERR_TRANSFER 4
-#define IMX_DMA_ERR_BUFFER 8
-
-/* The type to distinguish channel numbers parameter from ordinal int type */
-typedef int imx_dmach_t;
-
-#define DMA_MODE_READ 0
-#define DMA_MODE_WRITE 1
-#define DMA_MODE_MASK 1
-
-int
-imx_dma_setup_single(imx_dmach_t dma_ch, dma_addr_t dma_address,
- unsigned int dma_length, unsigned int dev_addr, unsigned int dmamode);
-
-int
-imx_dma_setup_sg(imx_dmach_t dma_ch,
- struct scatterlist *sg, unsigned int sgcount, unsigned int dma_length,
- unsigned int dev_addr, unsigned int dmamode);
-
-int
-imx_dma_setup_handlers(imx_dmach_t dma_ch,
- void (*irq_handler) (int, void *),
- void (*err_handler) (int, void *, int), void *data);
-
-void imx_dma_enable(imx_dmach_t dma_ch);
-
-void imx_dma_disable(imx_dmach_t dma_ch);
-
-int imx_dma_request(imx_dmach_t dma_ch, const char *name);
-
-void imx_dma_free(imx_dmach_t dma_ch);
-
-imx_dmach_t imx_dma_request_by_prio(const char *name, imx_dma_prio prio);
-
-
-#endif /* _ASM_ARCH_IMX_DMA_H */
+++ /dev/null
-#ifndef _IMX_REGS_H
-#define _IMX_REGS_H
-/* ------------------------------------------------------------------------
- * Motorola IMX system registers
- * ------------------------------------------------------------------------
- *
- */
-
-/*
- * Register BASEs, based on OFFSETs
- *
- */
-#define IMX_AIPI1_BASE (0x00000 + IMX_IO_BASE)
-#define IMX_WDT_BASE (0x01000 + IMX_IO_BASE)
-#define IMX_TIM1_BASE (0x02000 + IMX_IO_BASE)
-#define IMX_TIM2_BASE (0x03000 + IMX_IO_BASE)
-#define IMX_RTC_BASE (0x04000 + IMX_IO_BASE)
-#define IMX_LCDC_BASE (0x05000 + IMX_IO_BASE)
-#define IMX_UART1_BASE (0x06000 + IMX_IO_BASE)
-#define IMX_UART2_BASE (0x07000 + IMX_IO_BASE)
-#define IMX_PWM_BASE (0x08000 + IMX_IO_BASE)
-#define IMX_DMAC_BASE (0x09000 + IMX_IO_BASE)
-#define IMX_AIPI2_BASE (0x10000 + IMX_IO_BASE)
-#define IMX_SIM_BASE (0x11000 + IMX_IO_BASE)
-#define IMX_USBD_BASE (0x12000 + IMX_IO_BASE)
-#define IMX_SPI1_BASE (0x13000 + IMX_IO_BASE)
-#define IMX_MMC_BASE (0x14000 + IMX_IO_BASE)
-#define IMX_ASP_BASE (0x15000 + IMX_IO_BASE)
-#define IMX_BTA_BASE (0x16000 + IMX_IO_BASE)
-#define IMX_I2C_BASE (0x17000 + IMX_IO_BASE)
-#define IMX_SSI_BASE (0x18000 + IMX_IO_BASE)
-#define IMX_SPI2_BASE (0x19000 + IMX_IO_BASE)
-#define IMX_MSHC_BASE (0x1A000 + IMX_IO_BASE)
-#define IMX_PLL_BASE (0x1B000 + IMX_IO_BASE)
-#define IMX_GPIO_BASE (0x1C000 + IMX_IO_BASE)
-#define IMX_EIM_BASE (0x20000 + IMX_IO_BASE)
-#define IMX_SDRAMC_BASE (0x21000 + IMX_IO_BASE)
-#define IMX_MMA_BASE (0x22000 + IMX_IO_BASE)
-#define IMX_AITC_BASE (0x23000 + IMX_IO_BASE)
-#define IMX_CSI_BASE (0x24000 + IMX_IO_BASE)
-
-/* PLL registers */
-#define CSCR __REG(IMX_PLL_BASE) /* Clock Source Control Register */
-#define CSCR_SPLL_RESTART (1<<22)
-#define CSCR_MPLL_RESTART (1<<21)
-#define CSCR_SYSTEM_SEL (1<<16)
-#define CSCR_BCLK_DIV (0xf<<10)
-#define CSCR_MPU_PRESC (1<<15)
-#define CSCR_SPEN (1<<1)
-#define CSCR_MPEN (1<<0)
-
-#define MPCTL0 __REG(IMX_PLL_BASE + 0x4) /* MCU PLL Control Register 0 */
-#define MPCTL1 __REG(IMX_PLL_BASE + 0x8) /* MCU PLL and System Clock Register 1 */
-#define SPCTL0 __REG(IMX_PLL_BASE + 0xc) /* System PLL Control Register 0 */
-#define SPCTL1 __REG(IMX_PLL_BASE + 0x10) /* System PLL Control Register 1 */
-#define PCDR __REG(IMX_PLL_BASE + 0x20) /* Peripheral Clock Divider Register */
-
-/*
- * GPIO Module and I/O Multiplexer
- * x = 0..3 for reg_A, reg_B, reg_C, reg_D
- */
-#define DDIR(x) __REG2(IMX_GPIO_BASE + 0x00, ((x) & 3) << 8)
-#define OCR1(x) __REG2(IMX_GPIO_BASE + 0x04, ((x) & 3) << 8)
-#define OCR2(x) __REG2(IMX_GPIO_BASE + 0x08, ((x) & 3) << 8)
-#define ICONFA1(x) __REG2(IMX_GPIO_BASE + 0x0c, ((x) & 3) << 8)
-#define ICONFA2(x) __REG2(IMX_GPIO_BASE + 0x10, ((x) & 3) << 8)
-#define ICONFB1(x) __REG2(IMX_GPIO_BASE + 0x14, ((x) & 3) << 8)
-#define ICONFB2(x) __REG2(IMX_GPIO_BASE + 0x18, ((x) & 3) << 8)
-#define DR(x) __REG2(IMX_GPIO_BASE + 0x1c, ((x) & 3) << 8)
-#define GIUS(x) __REG2(IMX_GPIO_BASE + 0x20, ((x) & 3) << 8)
-#define SSR(x) __REG2(IMX_GPIO_BASE + 0x24, ((x) & 3) << 8)
-#define ICR1(x) __REG2(IMX_GPIO_BASE + 0x28, ((x) & 3) << 8)
-#define ICR2(x) __REG2(IMX_GPIO_BASE + 0x2c, ((x) & 3) << 8)
-#define IMR(x) __REG2(IMX_GPIO_BASE + 0x30, ((x) & 3) << 8)
-#define ISR(x) __REG2(IMX_GPIO_BASE + 0x34, ((x) & 3) << 8)
-#define GPR(x) __REG2(IMX_GPIO_BASE + 0x38, ((x) & 3) << 8)
-#define SWR(x) __REG2(IMX_GPIO_BASE + 0x3c, ((x) & 3) << 8)
-#define PUEN(x) __REG2(IMX_GPIO_BASE + 0x40, ((x) & 3) << 8)
-
-#define GPIO_PORT_MAX 3
-
-#define GPIO_PIN_MASK 0x1f
-#define GPIO_PORT_MASK (0x3 << 5)
-
-#define GPIO_PORT_SHIFT 5
-#define GPIO_PORTA (0<<5)
-#define GPIO_PORTB (1<<5)
-#define GPIO_PORTC (2<<5)
-#define GPIO_PORTD (3<<5)
-
-#define GPIO_OUT (1<<7)
-#define GPIO_IN (0<<7)
-#define GPIO_PUEN (1<<8)
-
-#define GPIO_PF (0<<9)
-#define GPIO_AF (1<<9)
-
-#define GPIO_OCR_SHIFT 10
-#define GPIO_OCR_MASK (3<<10)
-#define GPIO_AIN (0<<10)
-#define GPIO_BIN (1<<10)
-#define GPIO_CIN (2<<10)
-#define GPIO_DR (3<<10)
-
-#define GPIO_AOUT_SHIFT 12
-#define GPIO_AOUT_MASK (3<<12)
-#define GPIO_AOUT (0<<12)
-#define GPIO_AOUT_ISR (1<<12)
-#define GPIO_AOUT_0 (2<<12)
-#define GPIO_AOUT_1 (3<<12)
-
-#define GPIO_BOUT_SHIFT 14
-#define GPIO_BOUT_MASK (3<<14)
-#define GPIO_BOUT (0<<14)
-#define GPIO_BOUT_ISR (1<<14)
-#define GPIO_BOUT_0 (2<<14)
-#define GPIO_BOUT_1 (3<<14)
-
-#define GPIO_GIUS (1<<16)
-
-/* assignements for GPIO alternate/primary functions */
-
-/* FIXME: This list is not completed. The correct directions are
- * missing on some (many) pins
- */
-#define PA0_AIN_SPI2_CLK ( GPIO_GIUS | GPIO_PORTA | GPIO_OUT | 0 )
-#define PA0_AF_ETMTRACESYNC ( GPIO_PORTA | GPIO_AF | 0 )
-#define PA1_AOUT_SPI2_RXD ( GPIO_GIUS | GPIO_PORTA | GPIO_IN | 1 )
-#define PA1_PF_TIN ( GPIO_PORTA | GPIO_PF | 1 )
-#define PA2_PF_PWM0 ( GPIO_PORTA | GPIO_OUT | GPIO_PF | 2 )
-#define PA3_PF_CSI_MCLK ( GPIO_PORTA | GPIO_PF | 3 )
-#define PA4_PF_CSI_D0 ( GPIO_PORTA | GPIO_PF | 4 )
-#define PA5_PF_CSI_D1 ( GPIO_PORTA | GPIO_PF | 5 )
-#define PA6_PF_CSI_D2 ( GPIO_PORTA | GPIO_PF | 6 )
-#define PA7_PF_CSI_D3 ( GPIO_PORTA | GPIO_PF | 7 )
-#define PA8_PF_CSI_D4 ( GPIO_PORTA | GPIO_PF | 8 )
-#define PA9_PF_CSI_D5 ( GPIO_PORTA | GPIO_PF | 9 )
-#define PA10_PF_CSI_D6 ( GPIO_PORTA | GPIO_PF | 10 )
-#define PA11_PF_CSI_D7 ( GPIO_PORTA | GPIO_PF | 11 )
-#define PA12_PF_CSI_VSYNC ( GPIO_PORTA | GPIO_PF | 12 )
-#define PA13_PF_CSI_HSYNC ( GPIO_PORTA | GPIO_PF | 13 )
-#define PA14_PF_CSI_PIXCLK ( GPIO_PORTA | GPIO_PF | 14 )
-#define PA15_PF_I2C_SDA ( GPIO_PORTA | GPIO_OUT | GPIO_PF | 15 )
-#define PA16_PF_I2C_SCL ( GPIO_PORTA | GPIO_OUT | GPIO_PF | 16 )
-#define PA17_AF_ETMTRACEPKT4 ( GPIO_PORTA | GPIO_AF | 17 )
-#define PA17_AIN_SPI2_SS ( GPIO_GIUS | GPIO_PORTA | GPIO_OUT | 17 )
-#define PA18_AF_ETMTRACEPKT5 ( GPIO_PORTA | GPIO_AF | 18 )
-#define PA19_AF_ETMTRACEPKT6 ( GPIO_PORTA | GPIO_AF | 19 )
-#define PA20_AF_ETMTRACEPKT7 ( GPIO_PORTA | GPIO_AF | 20 )
-#define PA21_PF_A0 ( GPIO_PORTA | GPIO_PF | 21 )
-#define PA22_PF_CS4 ( GPIO_PORTA | GPIO_PF | 22 )
-#define PA23_PF_CS5 ( GPIO_PORTA | GPIO_PF | 23 )
-#define PA24_PF_A16 ( GPIO_PORTA | GPIO_PF | 24 )
-#define PA24_AF_ETMTRACEPKT0 ( GPIO_PORTA | GPIO_AF | 24 )
-#define PA25_PF_A17 ( GPIO_PORTA | GPIO_PF | 25 )
-#define PA25_AF_ETMTRACEPKT1 ( GPIO_PORTA | GPIO_AF | 25 )
-#define PA26_PF_A18 ( GPIO_PORTA | GPIO_PF | 26 )
-#define PA26_AF_ETMTRACEPKT2 ( GPIO_PORTA | GPIO_AF | 26 )
-#define PA27_PF_A19 ( GPIO_PORTA | GPIO_PF | 27 )
-#define PA27_AF_ETMTRACEPKT3 ( GPIO_PORTA | GPIO_AF | 27 )
-#define PA28_PF_A20 ( GPIO_PORTA | GPIO_PF | 28 )
-#define PA28_AF_ETMPIPESTAT0 ( GPIO_PORTA | GPIO_AF | 28 )
-#define PA29_PF_A21 ( GPIO_PORTA | GPIO_PF | 29 )
-#define PA29_AF_ETMPIPESTAT1 ( GPIO_PORTA | GPIO_AF | 29 )
-#define PA30_PF_A22 ( GPIO_PORTA | GPIO_PF | 30 )
-#define PA30_AF_ETMPIPESTAT2 ( GPIO_PORTA | GPIO_AF | 30 )
-#define PA31_PF_A23 ( GPIO_PORTA | GPIO_PF | 31 )
-#define PA31_AF_ETMTRACECLK ( GPIO_PORTA | GPIO_AF | 31 )
-#define PB8_PF_SD_DAT0 ( GPIO_PORTB | GPIO_PF | GPIO_PUEN | 8 )
-#define PB8_AF_MS_PIO ( GPIO_PORTB | GPIO_AF | 8 )
-#define PB9_PF_SD_DAT1 ( GPIO_PORTB | GPIO_PF | GPIO_PUEN | 9 )
-#define PB9_AF_MS_PI1 ( GPIO_PORTB | GPIO_AF | 9 )
-#define PB10_PF_SD_DAT2 ( GPIO_PORTB | GPIO_PF | GPIO_PUEN | 10 )
-#define PB10_AF_MS_SCLKI ( GPIO_PORTB | GPIO_AF | 10 )
-#define PB11_PF_SD_DAT3 ( GPIO_PORTB | GPIO_PF | 11 )
-#define PB11_AF_MS_SDIO ( GPIO_PORTB | GPIO_AF | 11 )
-#define PB12_PF_SD_CLK ( GPIO_PORTB | GPIO_PF | 12 )
-#define PB12_AF_MS_SCLK0 ( GPIO_PORTB | GPIO_AF | 12 )
-#define PB13_PF_SD_CMD ( GPIO_PORTB | GPIO_PF | GPIO_PUEN | 13 )
-#define PB13_AF_MS_BS ( GPIO_PORTB | GPIO_AF | 13 )
-#define PB14_AF_SSI_RXFS ( GPIO_PORTB | GPIO_AF | 14 )
-#define PB15_AF_SSI_RXCLK ( GPIO_PORTB | GPIO_AF | 15 )
-#define PB16_AF_SSI_RXDAT ( GPIO_PORTB | GPIO_IN | GPIO_AF | 16 )
-#define PB17_AF_SSI_TXDAT ( GPIO_PORTB | GPIO_OUT | GPIO_AF | 17 )
-#define PB18_AF_SSI_TXFS ( GPIO_PORTB | GPIO_AF | 18 )
-#define PB19_AF_SSI_TXCLK ( GPIO_PORTB | GPIO_AF | 19 )
-#define PB20_PF_USBD_AFE ( GPIO_PORTB | GPIO_PF | 20 )
-#define PB21_PF_USBD_OE ( GPIO_PORTB | GPIO_PF | 21 )
-#define PB22_PFUSBD_RCV ( GPIO_PORTB | GPIO_PF | 22 )
-#define PB23_PF_USBD_SUSPND ( GPIO_PORTB | GPIO_PF | 23 )
-#define PB24_PF_USBD_VP ( GPIO_PORTB | GPIO_PF | 24 )
-#define PB25_PF_USBD_VM ( GPIO_PORTB | GPIO_PF | 25 )
-#define PB26_PF_USBD_VPO ( GPIO_PORTB | GPIO_PF | 26 )
-#define PB27_PF_USBD_VMO ( GPIO_PORTB | GPIO_PF | 27 )
-#define PB28_PF_UART2_CTS ( GPIO_PORTB | GPIO_OUT | GPIO_PF | 28 )
-#define PB29_PF_UART2_RTS ( GPIO_PORTB | GPIO_IN | GPIO_PF | 29 )
-#define PB30_PF_UART2_TXD ( GPIO_PORTB | GPIO_OUT | GPIO_PF | 30 )
-#define PB31_PF_UART2_RXD ( GPIO_PORTB | GPIO_IN | GPIO_PF | 31 )
-#define PC3_PF_SSI_RXFS ( GPIO_PORTC | GPIO_PF | 3 )
-#define PC4_PF_SSI_RXCLK ( GPIO_PORTC | GPIO_PF | 4 )
-#define PC5_PF_SSI_RXDAT ( GPIO_PORTC | GPIO_IN | GPIO_PF | 5 )
-#define PC6_PF_SSI_TXDAT ( GPIO_PORTC | GPIO_OUT | GPIO_PF | 6 )
-#define PC7_PF_SSI_TXFS ( GPIO_PORTC | GPIO_PF | 7 )
-#define PC8_PF_SSI_TXCLK ( GPIO_PORTC | GPIO_PF | 8 )
-#define PC9_PF_UART1_CTS ( GPIO_PORTC | GPIO_OUT | GPIO_PF | 9 )
-#define PC10_PF_UART1_RTS ( GPIO_PORTC | GPIO_IN | GPIO_PF | 10 )
-#define PC11_PF_UART1_TXD ( GPIO_PORTC | GPIO_OUT | GPIO_PF | 11 )
-#define PC12_PF_UART1_RXD ( GPIO_PORTC | GPIO_IN | GPIO_PF | 12 )
-#define PC13_PF_SPI1_SPI_RDY ( GPIO_PORTC | GPIO_PF | 13 )
-#define PC14_PF_SPI1_SCLK ( GPIO_PORTC | GPIO_PF | 14 )
-#define PC15_PF_SPI1_SS ( GPIO_PORTC | GPIO_PF | 15 )
-#define PC16_PF_SPI1_MISO ( GPIO_PORTC | GPIO_PF | 16 )
-#define PC17_PF_SPI1_MOSI ( GPIO_PORTC | GPIO_PF | 17 )
-#define PC24_BIN_UART3_RI ( GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 24 )
-#define PC25_BIN_UART3_DSR ( GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 25 )
-#define PC26_AOUT_UART3_DTR ( GPIO_GIUS | GPIO_PORTC | GPIO_IN | 26 )
-#define PC27_BIN_UART3_DCD ( GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 27 )
-#define PC28_BIN_UART3_CTS ( GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 28 )
-#define PC29_AOUT_UART3_RTS ( GPIO_GIUS | GPIO_PORTC | GPIO_IN | 29 )
-#define PC30_BIN_UART3_TX ( GPIO_GIUS | GPIO_PORTC | GPIO_BIN | 30 )
-#define PC31_AOUT_UART3_RX ( GPIO_GIUS | GPIO_PORTC | GPIO_IN | 31)
-#define PD6_PF_LSCLK ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 6 )
-#define PD7_PF_REV ( GPIO_PORTD | GPIO_PF | 7 )
-#define PD7_AF_UART2_DTR ( GPIO_GIUS | GPIO_PORTD | GPIO_IN | GPIO_AF | 7 )
-#define PD7_AIN_SPI2_SCLK ( GPIO_GIUS | GPIO_PORTD | GPIO_AIN | 7 )
-#define PD8_PF_CLS ( GPIO_PORTD | GPIO_PF | 8 )
-#define PD8_AF_UART2_DCD ( GPIO_PORTD | GPIO_OUT | GPIO_AF | 8 )
-#define PD8_AIN_SPI2_SS ( GPIO_GIUS | GPIO_PORTD | GPIO_AIN | 8 )
-#define PD9_PF_PS ( GPIO_PORTD | GPIO_PF | 9 )
-#define PD9_AF_UART2_RI ( GPIO_PORTD | GPIO_OUT | GPIO_AF | 9 )
-#define PD9_AOUT_SPI2_RXD ( GPIO_GIUS | GPIO_PORTD | GPIO_IN | 9 )
-#define PD10_PF_SPL_SPR ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 10 )
-#define PD10_AF_UART2_DSR ( GPIO_PORTD | GPIO_OUT | GPIO_AF | 10 )
-#define PD10_AIN_SPI2_TXD ( GPIO_GIUS | GPIO_PORTD | GPIO_OUT | 10 )
-#define PD11_PF_CONTRAST ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 11 )
-#define PD12_PF_ACD_OE ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 12 )
-#define PD13_PF_LP_HSYNC ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 13 )
-#define PD14_PF_FLM_VSYNC ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 14 )
-#define PD15_PF_LD0 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 15 )
-#define PD16_PF_LD1 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 16 )
-#define PD17_PF_LD2 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 17 )
-#define PD18_PF_LD3 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 18 )
-#define PD19_PF_LD4 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 19 )
-#define PD20_PF_LD5 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 20 )
-#define PD21_PF_LD6 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 21 )
-#define PD22_PF_LD7 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 22 )
-#define PD23_PF_LD8 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 23 )
-#define PD24_PF_LD9 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 24 )
-#define PD25_PF_LD10 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 25 )
-#define PD26_PF_LD11 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 26 )
-#define PD27_PF_LD12 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 27 )
-#define PD28_PF_LD13 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 28 )
-#define PD29_PF_LD14 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 29 )
-#define PD30_PF_LD15 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 30 )
-#define PD31_PF_TMR2OUT ( GPIO_PORTD | GPIO_PF | 31 )
-#define PD31_BIN_SPI2_TXD ( GPIO_GIUS | GPIO_PORTD | GPIO_BIN | 31 )
-
-/*
- * PWM controller
- */
-#define PWMC __REG(IMX_PWM_BASE + 0x00) /* PWM Control Register */
-#define PWMS __REG(IMX_PWM_BASE + 0x04) /* PWM Sample Register */
-#define PWMP __REG(IMX_PWM_BASE + 0x08) /* PWM Period Register */
-#define PWMCNT __REG(IMX_PWM_BASE + 0x0C) /* PWM Counter Register */
-
-#define PWMC_HCTR (0x01<<18) /* Halfword FIFO Data Swapping */
-#define PWMC_BCTR (0x01<<17) /* Byte FIFO Data Swapping */
-#define PWMC_SWR (0x01<<16) /* Software Reset */
-#define PWMC_CLKSRC (0x01<<15) /* Clock Source */
-#define PWMC_PRESCALER(x) (((x-1) & 0x7F) << 8) /* PRESCALER */
-#define PWMC_IRQ (0x01<< 7) /* Interrupt Request */
-#define PWMC_IRQEN (0x01<< 6) /* Interrupt Request Enable */
-#define PWMC_FIFOAV (0x01<< 5) /* FIFO Available */
-#define PWMC_EN (0x01<< 4) /* Enables/Disables the PWM */
-#define PWMC_REPEAT(x) (((x) & 0x03) << 2) /* Sample Repeats */
-#define PWMC_CLKSEL(x) (((x) & 0x03) << 0) /* Clock Selection */
-
-#define PWMS_SAMPLE(x) ((x) & 0xFFFF) /* Contains a two-sample word */
-#define PWMP_PERIOD(x) ((x) & 0xFFFF) /* Represents the PWM's period */
-#define PWMC_COUNTER(x) ((x) & 0xFFFF) /* Represents the current count value */
-
-/*
- * DMA Controller
- */
-#define DCR __REG(IMX_DMAC_BASE +0x00) /* DMA Control Register */
-#define DISR __REG(IMX_DMAC_BASE +0x04) /* DMA Interrupt status Register */
-#define DIMR __REG(IMX_DMAC_BASE +0x08) /* DMA Interrupt mask Register */
-#define DBTOSR __REG(IMX_DMAC_BASE +0x0c) /* DMA Burst timeout status Register */
-#define DRTOSR __REG(IMX_DMAC_BASE +0x10) /* DMA Request timeout Register */
-#define DSESR __REG(IMX_DMAC_BASE +0x14) /* DMA Transfer Error Status Register */
-#define DBOSR __REG(IMX_DMAC_BASE +0x18) /* DMA Buffer overflow status Register */
-#define DBTOCR __REG(IMX_DMAC_BASE +0x1c) /* DMA Burst timeout control Register */
-#define WSRA __REG(IMX_DMAC_BASE +0x40) /* W-Size Register A */
-#define XSRA __REG(IMX_DMAC_BASE +0x44) /* X-Size Register A */
-#define YSRA __REG(IMX_DMAC_BASE +0x48) /* Y-Size Register A */
-#define WSRB __REG(IMX_DMAC_BASE +0x4c) /* W-Size Register B */
-#define XSRB __REG(IMX_DMAC_BASE +0x50) /* X-Size Register B */
-#define YSRB __REG(IMX_DMAC_BASE +0x54) /* Y-Size Register B */
-#define SAR(x) __REG2( IMX_DMAC_BASE + 0x80, (x) << 6) /* Source Address Registers */
-#define DAR(x) __REG2( IMX_DMAC_BASE + 0x84, (x) << 6) /* Destination Address Registers */
-#define CNTR(x) __REG2( IMX_DMAC_BASE + 0x88, (x) << 6) /* Count Registers */
-#define CCR(x) __REG2( IMX_DMAC_BASE + 0x8c, (x) << 6) /* Control Registers */
-#define RSSR(x) __REG2( IMX_DMAC_BASE + 0x90, (x) << 6) /* Request source select Registers */
-#define BLR(x) __REG2( IMX_DMAC_BASE + 0x94, (x) << 6) /* Burst length Registers */
-#define RTOR(x) __REG2( IMX_DMAC_BASE + 0x98, (x) << 6) /* Request timeout Registers */
-#define BUCR(x) __REG2( IMX_DMAC_BASE + 0x98, (x) << 6) /* Bus Utilization Registers */
-
-#define DCR_DRST (1<<1)
-#define DCR_DEN (1<<0)
-#define DBTOCR_EN (1<<15)
-#define DBTOCR_CNT(x) ((x) & 0x7fff )
-#define CNTR_CNT(x) ((x) & 0xffffff )
-#define CCR_DMOD_LINEAR ( 0x0 << 12 )
-#define CCR_DMOD_2D ( 0x1 << 12 )
-#define CCR_DMOD_FIFO ( 0x2 << 12 )
-#define CCR_DMOD_EOBFIFO ( 0x3 << 12 )
-#define CCR_SMOD_LINEAR ( 0x0 << 10 )
-#define CCR_SMOD_2D ( 0x1 << 10 )
-#define CCR_SMOD_FIFO ( 0x2 << 10 )
-#define CCR_SMOD_EOBFIFO ( 0x3 << 10 )
-#define CCR_MDIR_DEC (1<<9)
-#define CCR_MSEL_B (1<<8)
-#define CCR_DSIZ_32 ( 0x0 << 6 )
-#define CCR_DSIZ_8 ( 0x1 << 6 )
-#define CCR_DSIZ_16 ( 0x2 << 6 )
-#define CCR_SSIZ_32 ( 0x0 << 4 )
-#define CCR_SSIZ_8 ( 0x1 << 4 )
-#define CCR_SSIZ_16 ( 0x2 << 4 )
-#define CCR_REN (1<<3)
-#define CCR_RPT (1<<2)
-#define CCR_FRC (1<<1)
-#define CCR_CEN (1<<0)
-#define RTOR_EN (1<<15)
-#define RTOR_CLK (1<<14)
-#define RTOR_PSC (1<<13)
-
-/*
- * Interrupt controller
- */
-
-#define IMX_INTCNTL __REG(IMX_AITC_BASE+0x00)
-#define INTCNTL_FIAD (1<<19)
-#define INTCNTL_NIAD (1<<20)
-
-#define IMX_NIMASK __REG(IMX_AITC_BASE+0x04)
-#define IMX_INTENNUM __REG(IMX_AITC_BASE+0x08)
-#define IMX_INTDISNUM __REG(IMX_AITC_BASE+0x0c)
-#define IMX_INTENABLEH __REG(IMX_AITC_BASE+0x10)
-#define IMX_INTENABLEL __REG(IMX_AITC_BASE+0x14)
-
-/*
- * General purpose timers
- */
-#define IMX_TCTL(x) __REG( 0x00 + (x))
-#define TCTL_SWR (1<<15)
-#define TCTL_FRR (1<<8)
-#define TCTL_CAP_RIS (1<<6)
-#define TCTL_CAP_FAL (2<<6)
-#define TCTL_CAP_RIS_FAL (3<<6)
-#define TCTL_OM (1<<5)
-#define TCTL_IRQEN (1<<4)
-#define TCTL_CLK_PCLK1 (1<<1)
-#define TCTL_CLK_PCLK1_16 (2<<1)
-#define TCTL_CLK_TIN (3<<1)
-#define TCTL_CLK_32 (4<<1)
-#define TCTL_TEN (1<<0)
-
-#define IMX_TPRER(x) __REG( 0x04 + (x))
-#define IMX_TCMP(x) __REG( 0x08 + (x))
-#define IMX_TCR(x) __REG( 0x0C + (x))
-#define IMX_TCN(x) __REG( 0x10 + (x))
-#define IMX_TSTAT(x) __REG( 0x14 + (x))
-#define TSTAT_CAPT (1<<1)
-#define TSTAT_COMP (1<<0)
-
-#endif // _IMX_REGS_H
+++ /dev/null
-#ifndef ASMARM_ARCH_UART_H
-#define ASMARM_ARCH_UART_H
-
-#define IMXUART_HAVE_RTSCTS (1<<0)
-
-struct imxuart_platform_data {
- int (*init)(struct platform_device *pdev);
- void (*exit)(struct platform_device *pdev);
- unsigned int flags;
-};
-
-#endif
+++ /dev/null
-/*
- * arch/arm/mach-imxads/include/mach/io.h
- *
- * Copyright (C) 1999 ARM Limited
- *
- * 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_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-#define __io(a) __typesafe_io(a)
-#define __mem_pci(a) (a)
-
-#endif
+++ /dev/null
-/*
- * arch/arm/mach-imxads/include/mach/irqs.h
- *
- * Copyright (C) 1999 ARM Limited
- * Copyright (C) 2000 Deep Blue Solutions Ltd.
- *
- * 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 __ARM_IRQS_H__
-#define __ARM_IRQS_H__
-
-/* Use the imx definitions */
-#include <mach/hardware.h>
-
-/*
- * IMX Interrupt numbers
- *
- */
-#define INT_SOFTINT 0
-#define CSI_INT 6
-#define DSPA_MAC_INT 7
-#define DSPA_INT 8
-#define COMP_INT 9
-#define MSHC_XINT 10
-#define GPIO_INT_PORTA 11
-#define GPIO_INT_PORTB 12
-#define GPIO_INT_PORTC 13
-#define LCDC_INT 14
-#define SIM_INT 15
-#define SIM_DATA_INT 16
-#define RTC_INT 17
-#define RTC_SAMINT 18
-#define UART2_MINT_PFERR 19
-#define UART2_MINT_RTS 20
-#define UART2_MINT_DTR 21
-#define UART2_MINT_UARTC 22
-#define UART2_MINT_TX 23
-#define UART2_MINT_RX 24
-#define UART1_MINT_PFERR 25
-#define UART1_MINT_RTS 26
-#define UART1_MINT_DTR 27
-#define UART1_MINT_UARTC 28
-#define UART1_MINT_TX 29
-#define UART1_MINT_RX 30
-#define VOICE_DAC_INT 31
-#define VOICE_ADC_INT 32
-#define PEN_DATA_INT 33
-#define PWM_INT 34
-#define SDHC_INT 35
-#define I2C_INT 39
-#define CSPI_INT 41
-#define SSI_TX_INT 42
-#define SSI_TX_ERR_INT 43
-#define SSI_RX_INT 44
-#define SSI_RX_ERR_INT 45
-#define TOUCH_INT 46
-#define USBD_INT0 47
-#define USBD_INT1 48
-#define USBD_INT2 49
-#define USBD_INT3 50
-#define USBD_INT4 51
-#define USBD_INT5 52
-#define USBD_INT6 53
-#define BTSYS_INT 55
-#define BTTIM_INT 56
-#define BTWUI_INT 57
-#define TIM2_INT 58
-#define TIM1_INT 59
-#define DMA_ERR 60
-#define DMA_INT 61
-#define GPIO_INT_PORTD 62
-
-#define IMX_IRQS (64)
-
-/* note: the IMX has four gpio ports (A-D), but only
- * the following pins are connected to the outside
- * world:
- *
- * PORT A: bits 0-31
- * PORT B: bits 8-31
- * PORT C: bits 3-17
- * PORT D: bits 6-31
- *
- * We map these interrupts straight on. As a result we have
- * several holes in the interrupt mapping. We do this for two
- * reasons:
- * - mapping the interrupts without holes would get
- * far more complicated
- * - Motorola could well decide to bring some processor
- * with more pins connected
- */
-
-#define IRQ_GPIOA(x) (IMX_IRQS + x)
-#define IRQ_GPIOB(x) (IRQ_GPIOA(32) + x)
-#define IRQ_GPIOC(x) (IRQ_GPIOB(32) + x)
-#define IRQ_GPIOD(x) (IRQ_GPIOC(32) + x)
-
-/* decode irq number to use with IMR(x), ISR(x) and friends */
-#define IRQ_TO_REG(irq) ((irq - IMX_IRQS) >> 5)
-
-/* all normal IRQs can be FIQs */
-#define FIQ_START 0
-/* switch betwean IRQ and FIQ */
-extern int imx_set_irq_fiq(unsigned int irq, unsigned int type);
-
-#define NR_IRQS (IRQ_GPIOD(32) + 1)
-#define IRQ_GPIO(x)
-#endif
+++ /dev/null
-/*
- * arch/arm/mach-imx/include/mach/memory.h
- *
- * Copyright (C) 1999 ARM Limited
- * Copyright (C) 2002 Shane Nay (shane@minirl.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
- */
-#ifndef __ASM_ARCH_MMU_H
-#define __ASM_ARCH_MMU_H
-
-#define PHYS_OFFSET UL(0x08000000)
-
-#endif
+++ /dev/null
-#ifndef ASMARM_ARCH_MMC_H
-#define ASMARM_ARCH_MMC_H
-
-#include <linux/mmc/host.h>
-
-struct device;
-
-struct imxmmc_platform_data {
- int (*card_present)(struct device *);
- int (*get_ro)(struct device *);
-};
-
-extern void imx_set_mmc_info(struct imxmmc_platform_data *info);
-
-#endif
+++ /dev/null
-/*
- * arch/arm/mach-imx/include/mach/mx1ads.h
- *
- * Copyright (C) 2004 Robert Schwebel, Pengutronix
- *
- * 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_MX1ADS_H
-#define __ASM_ARCH_MX1ADS_H
-
-/* ------------------------------------------------------------------------ */
-/* Memory Map for the M9328MX1ADS (MX1ADS) Board */
-/* ------------------------------------------------------------------------ */
-
-#define MX1ADS_FLASH_PHYS 0x10000000
-#define MX1ADS_FLASH_SIZE (16*1024*1024)
-
-#define IMX_FB_PHYS (0x0C000000 - 0x40000)
-
-#define CLK32 32000
-
-#endif /* __ASM_ARCH_MX1ADS_H */
+++ /dev/null
-/*
- * arch/arm/mach-imx/include/mach/spi_imx.h
- *
- * Copyright (C) 2006 SWAPP
- * Andrea Paterniani <a.paterniani@swapp-eng.it>
- *
- * Initial version inspired by:
- * linux-2.6.17-rc3-mm1/arch/arm/mach-pxa/include/mach/pxa2xx_spi.h
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef SPI_IMX_H_
-#define SPI_IMX_H_
-
-
-/*-------------------------------------------------------------------------*/
-/**
- * struct spi_imx_master - device.platform_data for SPI controller devices.
- * @num_chipselect: chipselects are used to distinguish individual
- * SPI slaves, and are numbered from zero to num_chipselects - 1.
- * each slave has a chipselect signal, but it's common that not
- * every chipselect is connected to a slave.
- * @enable_dma: if true enables DMA driven transfers.
-*/
-struct spi_imx_master {
- u8 num_chipselect;
- u8 enable_dma:1;
-};
-/*-------------------------------------------------------------------------*/
-
-
-/*-------------------------------------------------------------------------*/
-/**
- * struct spi_imx_chip - spi_board_info.controller_data for SPI
- * slave devices, copied to spi_device.controller_data.
- * @enable_loopback : used for test purpouse to internally connect RX and TX
- * sections.
- * @enable_dma : enables dma transfer (provided that controller driver has
- * dma enabled too).
- * @ins_ss_pulse : enable /SS pulse insertion between SPI burst.
- * @bclk_wait : number of bclk waits between each bits_per_word SPI burst.
- * @cs_control : function pointer to board-specific function to assert/deassert
- * I/O port to control HW generation of devices chip-select.
-*/
-struct spi_imx_chip {
- u8 enable_loopback:1;
- u8 enable_dma:1;
- u8 ins_ss_pulse:1;
- u16 bclk_wait:15;
- void (*cs_control)(u32 control);
-};
-
-/* Chip-select state */
-#define SPI_CS_ASSERT (1 << 0)
-#define SPI_CS_DEASSERT (1 << 1)
-/*-------------------------------------------------------------------------*/
-
-
-#endif /* SPI_IMX_H_*/
+++ /dev/null
-/*
- * arch/arm/mach-imxads/include/mach/system.h
- *
- * Copyright (C) 1999 ARM Limited
- * Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * 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_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static void
-arch_idle(void)
-{
- /*
- * This should do all the clock switching
- * and wait for interrupt tricks
- */
- cpu_do_idle();
-}
-
-static inline void
-arch_reset(char mode, const char *cmd)
-{
- cpu_reset(0);
-}
-
-#endif
+++ /dev/null
-/*
- * linux/include/asm-arm/imx/timex.h
- *
- * Copyright (C) 1999 ARM Limited
- *
- * 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_TIMEX_H
-#define __ASM_ARCH_TIMEX_H
-
-#define CLOCK_TICK_RATE (16000000)
-
-#endif
+++ /dev/null
-/*
- * arch/arm/mach-imxads/include/mach/uncompress.h
- *
- *
- *
- * Copyright (C) 1999 ARM Limited
- * Copyright (C) Shane Nay (shane@minirl.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
- */
-
-#define UART(x) (*(volatile unsigned long *)(serial_port + (x)))
-
-#define UART1_BASE 0x206000
-#define UART2_BASE 0x207000
-#define USR2 0x98
-#define USR2_TXFE (1<<14)
-#define TXR 0x40
-#define UCR1 0x80
-#define UCR1_UARTEN 1
-
-/*
- * The following code assumes the serial port has already been
- * initialized by the bootloader. We search for the first enabled
- * port in the most probable order. If you didn't setup a port in
- * your bootloader then nothing will appear (which might be desired).
- *
- * This does not append a newline
- */
-static void putc(int c)
-{
- unsigned long serial_port;
-
- do {
- serial_port = UART1_BASE;
- if ( UART(UCR1) & UCR1_UARTEN )
- break;
- serial_port = UART2_BASE;
- if ( UART(UCR1) & UCR1_UARTEN )
- break;
- return;
- } while(0);
-
- while (!(UART(USR2) & USR2_TXFE))
- barrier();
-
- UART(TXR) = c;
-}
-
-static inline void flush(void)
-{
-}
-
-/*
- * nothing to do
- */
-#define arch_decomp_setup()
-
-#define arch_decomp_wdog()
+++ /dev/null
-/*
- * arch/arm/mach-imx/include/mach/vmalloc.h
- *
- * Copyright (C) 2000 Russell King.
- *
- * 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
- */
-#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
+++ /dev/null
-/*
- * linux/arch/arm/mach-imx/irq.c
- *
- * Copyright (C) 1999 ARM Limited
- * Copyright (C) 2002 Shane Nay (shane@minirl.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
- *
- * 03/03/2004 Sascha Hauer <sascha@saschahauer.de>
- * Copied from the motorola bsp package and added gpio demux
- * interrupt handler
- */
-
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/timer.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/irq.h>
-
-#include <asm/mach/irq.h>
-
-/*
- *
- * We simply use the ENABLE DISABLE registers inside of the IMX
- * to turn on/off specific interrupts.
- *
- */
-
-#define INTCNTL_OFF 0x00
-#define NIMASK_OFF 0x04
-#define INTENNUM_OFF 0x08
-#define INTDISNUM_OFF 0x0C
-#define INTENABLEH_OFF 0x10
-#define INTENABLEL_OFF 0x14
-#define INTTYPEH_OFF 0x18
-#define INTTYPEL_OFF 0x1C
-#define NIPRIORITY_OFF(x) (0x20+4*(7-(x)))
-#define NIVECSR_OFF 0x40
-#define FIVECSR_OFF 0x44
-#define INTSRCH_OFF 0x48
-#define INTSRCL_OFF 0x4C
-#define INTFRCH_OFF 0x50
-#define INTFRCL_OFF 0x54
-#define NIPNDH_OFF 0x58
-#define NIPNDL_OFF 0x5C
-#define FIPNDH_OFF 0x60
-#define FIPNDL_OFF 0x64
-
-#define VA_AITC_BASE IO_ADDRESS(IMX_AITC_BASE)
-#define IMX_AITC_INTCNTL (VA_AITC_BASE + INTCNTL_OFF)
-#define IMX_AITC_NIMASK (VA_AITC_BASE + NIMASK_OFF)
-#define IMX_AITC_INTENNUM (VA_AITC_BASE + INTENNUM_OFF)
-#define IMX_AITC_INTDISNUM (VA_AITC_BASE + INTDISNUM_OFF)
-#define IMX_AITC_INTENABLEH (VA_AITC_BASE + INTENABLEH_OFF)
-#define IMX_AITC_INTENABLEL (VA_AITC_BASE + INTENABLEL_OFF)
-#define IMX_AITC_INTTYPEH (VA_AITC_BASE + INTTYPEH_OFF)
-#define IMX_AITC_INTTYPEL (VA_AITC_BASE + INTTYPEL_OFF)
-#define IMX_AITC_NIPRIORITY(x) (VA_AITC_BASE + NIPRIORITY_OFF(x))
-#define IMX_AITC_NIVECSR (VA_AITC_BASE + NIVECSR_OFF)
-#define IMX_AITC_FIVECSR (VA_AITC_BASE + FIVECSR_OFF)
-#define IMX_AITC_INTSRCH (VA_AITC_BASE + INTSRCH_OFF)
-#define IMX_AITC_INTSRCL (VA_AITC_BASE + INTSRCL_OFF)
-#define IMX_AITC_INTFRCH (VA_AITC_BASE + INTFRCH_OFF)
-#define IMX_AITC_INTFRCL (VA_AITC_BASE + INTFRCL_OFF)
-#define IMX_AITC_NIPNDH (VA_AITC_BASE + NIPNDH_OFF)
-#define IMX_AITC_NIPNDL (VA_AITC_BASE + NIPNDL_OFF)
-#define IMX_AITC_FIPNDH (VA_AITC_BASE + FIPNDH_OFF)
-#define IMX_AITC_FIPNDL (VA_AITC_BASE + FIPNDL_OFF)
-
-#if 0
-#define DEBUG_IRQ(fmt...) printk(fmt)
-#else
-#define DEBUG_IRQ(fmt...) do { } while (0)
-#endif
-
-static void
-imx_mask_irq(unsigned int irq)
-{
- __raw_writel(irq, IMX_AITC_INTDISNUM);
-}
-
-static void
-imx_unmask_irq(unsigned int irq)
-{
- __raw_writel(irq, IMX_AITC_INTENNUM);
-}
-
-#ifdef CONFIG_FIQ
-int imx_set_irq_fiq(unsigned int irq, unsigned int type)
-{
- unsigned int irqt;
-
- if (irq >= IMX_IRQS)
- return -EINVAL;
-
- if (irq < IMX_IRQS / 2) {
- irqt = __raw_readl(IMX_AITC_INTTYPEL) & ~(1 << irq);
- __raw_writel(irqt | (!!type << irq), IMX_AITC_INTTYPEL);
- } else {
- irq -= IMX_IRQS / 2;
- irqt = __raw_readl(IMX_AITC_INTTYPEH) & ~(1 << irq);
- __raw_writel(irqt | (!!type << irq), IMX_AITC_INTTYPEH);
- }
-
- return 0;
-}
-EXPORT_SYMBOL(imx_set_irq_fiq);
-#endif /* CONFIG_FIQ */
-
-static int
-imx_gpio_irq_type(unsigned int _irq, unsigned int type)
-{
- unsigned int irq_type = 0, irq, reg, bit;
-
- irq = _irq - IRQ_GPIOA(0);
- reg = irq >> 5;
- bit = 1 << (irq % 32);
-
- if (type == IRQ_TYPE_PROBE) {
- /* Don't mess with enabled GPIOs using preconfigured edges or
- GPIOs set to alternate function during probe */
- /* TODO: support probe */
-// if ((GPIO_IRQ_rising_edge[idx] | GPIO_IRQ_falling_edge[idx]) &
-// GPIO_bit(gpio))
-// return 0;
-// if (GAFR(gpio) & (0x3 << (((gpio) & 0xf)*2)))
-// return 0;
-// type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING;
- }
-
- GIUS(reg) |= bit;
- DDIR(reg) &= ~(bit);
-
- DEBUG_IRQ("setting type of irq %d to ", _irq);
-
- if (type & IRQ_TYPE_EDGE_RISING) {
- DEBUG_IRQ("rising edges\n");
- irq_type = 0x0;
- }
- if (type & IRQ_TYPE_EDGE_FALLING) {
- DEBUG_IRQ("falling edges\n");
- irq_type = 0x1;
- }
- if (type & IRQ_TYPE_LEVEL_LOW) {
- DEBUG_IRQ("low level\n");
- irq_type = 0x3;
- }
- if (type & IRQ_TYPE_LEVEL_HIGH) {
- DEBUG_IRQ("high level\n");
- irq_type = 0x2;
- }
-
- if (irq % 32 < 16) {
- ICR1(reg) = (ICR1(reg) & ~(0x3 << ((irq % 16) * 2))) |
- (irq_type << ((irq % 16) * 2));
- } else {
- ICR2(reg) = (ICR2(reg) & ~(0x3 << ((irq % 16) * 2))) |
- (irq_type << ((irq % 16) * 2));
- }
-
- return 0;
-
-}
-
-static void
-imx_gpio_ack_irq(unsigned int irq)
-{
- DEBUG_IRQ("%s: irq %d\n", __func__, irq);
- ISR(IRQ_TO_REG(irq)) = 1 << ((irq - IRQ_GPIOA(0)) % 32);
-}
-
-static void
-imx_gpio_mask_irq(unsigned int irq)
-{
- DEBUG_IRQ("%s: irq %d\n", __func__, irq);
- IMR(IRQ_TO_REG(irq)) &= ~( 1 << ((irq - IRQ_GPIOA(0)) % 32));
-}
-
-static void
-imx_gpio_unmask_irq(unsigned int irq)
-{
- DEBUG_IRQ("%s: irq %d\n", __func__, irq);
- IMR(IRQ_TO_REG(irq)) |= 1 << ((irq - IRQ_GPIOA(0)) % 32);
-}
-
-static void
-imx_gpio_handler(unsigned int mask, unsigned int irq,
- struct irq_desc *desc)
-{
- while (mask) {
- if (mask & 1) {
- DEBUG_IRQ("handling irq %d\n", irq);
- generic_handle_irq(irq);
- }
- irq++;
- mask >>= 1;
- }
-}
-
-static void
-imx_gpioa_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
-{
- unsigned int mask, irq;
-
- mask = ISR(0);
- irq = IRQ_GPIOA(0);
- imx_gpio_handler(mask, irq, desc);
-}
-
-static void
-imx_gpiob_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
-{
- unsigned int mask, irq;
-
- mask = ISR(1);
- irq = IRQ_GPIOB(0);
- imx_gpio_handler(mask, irq, desc);
-}
-
-static void
-imx_gpioc_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
-{
- unsigned int mask, irq;
-
- mask = ISR(2);
- irq = IRQ_GPIOC(0);
- imx_gpio_handler(mask, irq, desc);
-}
-
-static void
-imx_gpiod_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
-{
- unsigned int mask, irq;
-
- mask = ISR(3);
- irq = IRQ_GPIOD(0);
- imx_gpio_handler(mask, irq, desc);
-}
-
-static struct irq_chip imx_internal_chip = {
- .name = "MPU",
- .ack = imx_mask_irq,
- .mask = imx_mask_irq,
- .unmask = imx_unmask_irq,
-};
-
-static struct irq_chip imx_gpio_chip = {
- .name = "GPIO",
- .ack = imx_gpio_ack_irq,
- .mask = imx_gpio_mask_irq,
- .unmask = imx_gpio_unmask_irq,
- .set_type = imx_gpio_irq_type,
-};
-
-void __init
-imx_init_irq(void)
-{
- unsigned int irq;
-
- DEBUG_IRQ("Initializing imx interrupts\n");
-
- /* Disable all interrupts initially. */
- /* Do not rely on the bootloader. */
- __raw_writel(0, IMX_AITC_INTENABLEH);
- __raw_writel(0, IMX_AITC_INTENABLEL);
-
- /* Mask all GPIO interrupts as well */
- IMR(0) = 0;
- IMR(1) = 0;
- IMR(2) = 0;
- IMR(3) = 0;
-
- for (irq = 0; irq < IMX_IRQS; irq++) {
- set_irq_chip(irq, &imx_internal_chip);
- set_irq_handler(irq, handle_level_irq);
- set_irq_flags(irq, IRQF_VALID);
- }
-
- for (irq = IRQ_GPIOA(0); irq < IRQ_GPIOD(32); irq++) {
- set_irq_chip(irq, &imx_gpio_chip);
- set_irq_handler(irq, handle_edge_irq);
- set_irq_flags(irq, IRQF_VALID);
- }
-
- set_irq_chained_handler(GPIO_INT_PORTA, imx_gpioa_demux_handler);
- set_irq_chained_handler(GPIO_INT_PORTB, imx_gpiob_demux_handler);
- set_irq_chained_handler(GPIO_INT_PORTC, imx_gpioc_demux_handler);
- set_irq_chained_handler(GPIO_INT_PORTD, imx_gpiod_demux_handler);
-
- /* Release masking of interrupts according to priority */
- __raw_writel(-1, IMX_AITC_NIMASK);
-
-#ifdef CONFIG_FIQ
- /* Initialize FIQ */
- init_FIQ();
-#endif
-}
+++ /dev/null
-/*
- * linux/arch/arm/mach-imx/leds-mx1ads.c
- *
- * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
- *
- * Original (leds-footbridge.c) by Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <mach/hardware.h>
-#include <asm/system.h>
-#include <asm/leds.h>
-#include "leds.h"
-
-/*
- * The MX1ADS Board has only one usable LED,
- * so select only the timer led or the
- * cpu usage led
- */
-void
-mx1ads_leds_event(led_event_t ledevt)
-{
- unsigned long flags;
-
- local_irq_save(flags);
-
- switch (ledevt) {
-#ifdef CONFIG_LEDS_CPU
- case led_idle_start:
- DR(0) &= ~(1<<2);
- break;
-
- case led_idle_end:
- DR(0) |= 1<<2;
- break;
-#endif
-
-#ifdef CONFIG_LEDS_TIMER
- case led_timer:
- DR(0) ^= 1<<2;
-#endif
- default:
- break;
- }
- local_irq_restore(flags);
-}
+++ /dev/null
-/*
- * linux/arch/arm/mach-imx/leds.c
- *
- * Copyright (C) 2004 Sascha Hauer <sascha@saschahauer.de>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include <asm/leds.h>
-#include <asm/mach-types.h>
-
-#include "leds.h"
-
-static int __init
-leds_init(void)
-{
- if (machine_is_mx1ads()) {
- leds_event = mx1ads_leds_event;
- }
-
- return 0;
-}
-
-__initcall(leds_init);
+++ /dev/null
-/*
- * arch/arm/mach-imx/leds.h
- *
- * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
- *
- * blinky lights for IMX-based systems
- *
- */
-extern void mx1ads_leds_event(led_event_t evt);
+++ /dev/null
-/*
- * arch/arm/mach-imx/mx1ads.c
- *
- * Initially based on:
- * linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
- * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
- *
- * 2004 (c) MontaVista Software, Inc.
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/device.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <asm/system.h>
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-
-#include <asm/mach/map.h>
-#include <asm/mach-types.h>
-
-#include <asm/mach/arch.h>
-#include <mach/mmc.h>
-#include <mach/imx-uart.h>
-#include <linux/interrupt.h>
-#include "generic.h"
-
-static struct resource cs89x0_resources[] = {
- [0] = {
- .start = IMX_CS4_PHYS + 0x300,
- .end = IMX_CS4_PHYS + 0x300 + 16,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_GPIOC(17),
- .end = IRQ_GPIOC(17),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device cs89x0_device = {
- .name = "cirrus-cs89x0",
- .num_resources = ARRAY_SIZE(cs89x0_resources),
- .resource = cs89x0_resources,
-};
-
-static struct imxuart_platform_data uart_pdata = {
- .flags = IMXUART_HAVE_RTSCTS,
-};
-
-static struct resource imx_uart1_resources[] = {
- [0] = {
- .start = 0x00206000,
- .end = 0x002060FF,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = (UART1_MINT_RX),
- .end = (UART1_MINT_RX),
- .flags = IORESOURCE_IRQ,
- },
- [2] = {
- .start = (UART1_MINT_TX),
- .end = (UART1_MINT_TX),
- .flags = IORESOURCE_IRQ,
- },
- [3] = {
- .start = UART1_MINT_RTS,
- .end = UART1_MINT_RTS,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device imx_uart1_device = {
- .name = "imx-uart",
- .id = 0,
- .num_resources = ARRAY_SIZE(imx_uart1_resources),
- .resource = imx_uart1_resources,
- .dev = {
- .platform_data = &uart_pdata,
- }
-};
-
-static struct resource imx_uart2_resources[] = {
- [0] = {
- .start = 0x00207000,
- .end = 0x002070FF,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = (UART2_MINT_RX),
- .end = (UART2_MINT_RX),
- .flags = IORESOURCE_IRQ,
- },
- [2] = {
- .start = (UART2_MINT_TX),
- .end = (UART2_MINT_TX),
- .flags = IORESOURCE_IRQ,
- },
- [3] = {
- .start = UART2_MINT_RTS,
- .end = UART2_MINT_RTS,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device imx_uart2_device = {
- .name = "imx-uart",
- .id = 1,
- .num_resources = ARRAY_SIZE(imx_uart2_resources),
- .resource = imx_uart2_resources,
- .dev = {
- .platform_data = &uart_pdata,
- }
-};
-
-static struct platform_device *devices[] __initdata = {
- &cs89x0_device,
- &imx_uart1_device,
- &imx_uart2_device,
-};
-
-#if defined(CONFIG_MMC_IMX) || defined(CONFIG_MMC_IMX_MODULE)
-static int mx1ads_mmc_card_present(struct device *dev)
-{
- /* MMC/SD Card Detect is PB 20 on MX1ADS V1.0.7 */
- return (SSR(1) & (1 << 20) ? 0 : 1);
-}
-
-static struct imxmmc_platform_data mx1ads_mmc_info = {
- .card_present = mx1ads_mmc_card_present,
-};
-#endif
-
-static void __init
-mx1ads_init(void)
-{
-#ifdef CONFIG_LEDS
- imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);
-#endif
-#if defined(CONFIG_MMC_IMX) || defined(CONFIG_MMC_IMX_MODULE)
- /* SD/MMC card detect */
- imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20);
- imx_set_mmc_info(&mx1ads_mmc_info);
-#endif
-
- imx_gpio_mode(PC9_PF_UART1_CTS);
- imx_gpio_mode(PC10_PF_UART1_RTS);
- imx_gpio_mode(PC11_PF_UART1_TXD);
- imx_gpio_mode(PC12_PF_UART1_RXD);
-
- imx_gpio_mode(PB28_PF_UART2_CTS);
- imx_gpio_mode(PB29_PF_UART2_RTS);
- imx_gpio_mode(PB30_PF_UART2_TXD);
- imx_gpio_mode(PB31_PF_UART2_RXD);
-
- platform_add_devices(devices, ARRAY_SIZE(devices));
-}
-
-static void __init
-mx1ads_map_io(void)
-{
- imx_map_io();
-}
-
-MACHINE_START(MX1ADS, "Motorola MX1ADS")
- /* Maintainer: Sascha Hauer, Pengutronix */
- .phys_io = 0x00200000,
- .io_pg_offst = ((0xe0000000) >> 18) & 0xfffc,
- .boot_params = 0x08000100,
- .map_io = mx1ads_map_io,
- .init_irq = imx_init_irq,
- .timer = &imx_timer,
- .init_machine = mx1ads_init,
-MACHINE_END
+++ /dev/null
-/*
- * linux/arch/arm/mach-imx/time.c
- *
- * Copyright (C) 2000-2001 Deep Blue Solutions
- * Copyright (C) 2002 Shane Nay (shane@minirl.com)
- * Copyright (C) 2006-2007 Pavel Pisa (ppisa@pikron.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/time.h>
-#include <linux/clocksource.h>
-#include <linux/clockchips.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/leds.h>
-#include <asm/irq.h>
-#include <asm/mach/time.h>
-
-/* Use timer 1 as system timer */
-#define TIMER_BASE IMX_TIM1_BASE
-
-static struct clock_event_device clockevent_imx;
-static enum clock_event_mode clockevent_mode = CLOCK_EVT_MODE_UNUSED;
-
-/*
- * IRQ handler for the timer
- */
-static irqreturn_t
-imx_timer_interrupt(int irq, void *dev_id)
-{
- struct clock_event_device *evt = &clockevent_imx;
- uint32_t tstat;
- irqreturn_t ret = IRQ_NONE;
-
- /* clear the interrupt */
- tstat = IMX_TSTAT(TIMER_BASE);
- IMX_TSTAT(TIMER_BASE) = 0;
-
- if (tstat & TSTAT_COMP) {
- evt->event_handler(evt);
- ret = IRQ_HANDLED;
- }
-
- return ret;
-}
-
-static struct irqaction imx_timer_irq = {
- .name = "i.MX Timer Tick",
- .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
- .handler = imx_timer_interrupt,
-};
-
-/*
- * Set up timer hardware into expected mode and state.
- */
-static void __init imx_timer_hardware_init(void)
-{
- /*
- * Initialise to a known state (all timers off, and timing reset)
- */
- IMX_TCTL(TIMER_BASE) = 0;
- IMX_TPRER(TIMER_BASE) = 0;
-
- IMX_TCTL(TIMER_BASE) = TCTL_FRR | TCTL_CLK_PCLK1 | TCTL_TEN;
-}
-
-cycle_t imx_get_cycles(struct clocksource *cs)
-{
- return IMX_TCN(TIMER_BASE);
-}
-
-static struct clocksource clocksource_imx = {
- .name = "imx_timer1",
- .rating = 200,
- .read = imx_get_cycles,
- .mask = 0xFFFFFFFF,
- .shift = 20,
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
-static int __init imx_clocksource_init(unsigned long rate)
-{
- clocksource_imx.mult =
- clocksource_hz2mult(rate, clocksource_imx.shift);
- clocksource_register(&clocksource_imx);
-
- return 0;
-}
-
-static int imx_set_next_event(unsigned long evt,
- struct clock_event_device *unused)
-{
- unsigned long tcmp;
-
- tcmp = IMX_TCN(TIMER_BASE) + evt;
- IMX_TCMP(TIMER_BASE) = tcmp;
-
- return (int32_t)(tcmp - IMX_TCN(TIMER_BASE)) < 0 ? -ETIME : 0;
-}
-
-#ifdef DEBUG
-static const char *clock_event_mode_label[]={
- [CLOCK_EVT_MODE_PERIODIC] = "CLOCK_EVT_MODE_PERIODIC",
- [CLOCK_EVT_MODE_ONESHOT] = "CLOCK_EVT_MODE_ONESHOT",
- [CLOCK_EVT_MODE_SHUTDOWN] = "CLOCK_EVT_MODE_SHUTDOWN",
- [CLOCK_EVT_MODE_UNUSED] = "CLOCK_EVT_MODE_UNUSED"
-};
-#endif /*DEBUG*/
-
-static void imx_set_mode(enum clock_event_mode mode, struct clock_event_device *evt)
-{
- unsigned long flags;
-
- /*
- * The timer interrupt generation is disabled at least
- * for enough time to call imx_set_next_event()
- */
- local_irq_save(flags);
- /* Disable interrupt in GPT module */
- IMX_TCTL(TIMER_BASE) &= ~TCTL_IRQEN;
- if (mode != clockevent_mode) {
- /* Set event time into far-far future */
- IMX_TCMP(TIMER_BASE) = IMX_TCN(TIMER_BASE) - 3;
- /* Clear pending interrupt */
- IMX_TSTAT(TIMER_BASE) &= ~TSTAT_COMP;
- }
-
-#ifdef DEBUG
- printk(KERN_INFO "imx_set_mode: changing mode from %s to %s\n",
- clock_event_mode_label[clockevent_mode], clock_event_mode_label[mode]);
-#endif /*DEBUG*/
-
- /* Remember timer mode */
- clockevent_mode = mode;
- local_irq_restore(flags);
-
- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- printk(KERN_ERR "imx_set_mode: Periodic mode is not supported for i.MX\n");
- break;
- case CLOCK_EVT_MODE_ONESHOT:
- /*
- * Do not put overhead of interrupt enable/disable into
- * imx_set_next_event(), the core has about 4 minutes
- * to call imx_set_next_event() or shutdown clock after
- * mode switching
- */
- local_irq_save(flags);
- IMX_TCTL(TIMER_BASE) |= TCTL_IRQEN;
- local_irq_restore(flags);
- break;
- case CLOCK_EVT_MODE_SHUTDOWN:
- case CLOCK_EVT_MODE_UNUSED:
- case CLOCK_EVT_MODE_RESUME:
- /* Left event sources disabled, no more interrupts appears */
- break;
- }
-}
-
-static struct clock_event_device clockevent_imx = {
- .name = "imx_timer1",
- .features = CLOCK_EVT_FEAT_ONESHOT,
- .shift = 32,
- .set_mode = imx_set_mode,
- .set_next_event = imx_set_next_event,
- .rating = 200,
-};
-
-static int __init imx_clockevent_init(unsigned long rate)
-{
- clockevent_imx.mult = div_sc(rate, NSEC_PER_SEC,
- clockevent_imx.shift);
- clockevent_imx.max_delta_ns =
- clockevent_delta2ns(0xfffffffe, &clockevent_imx);
- clockevent_imx.min_delta_ns =
- clockevent_delta2ns(0xf, &clockevent_imx);
-
- clockevent_imx.cpumask = cpumask_of(0);
-
- clockevents_register_device(&clockevent_imx);
-
- return 0;
-}
-
-extern int imx_clocks_init(void);
-
-static void __init imx_timer_init(void)
-{
- struct clk *clk;
- unsigned long rate;
-
- imx_clocks_init();
-
- clk = clk_get(NULL, "perclk1");
- clk_enable(clk);
- rate = clk_get_rate(clk);
-
- imx_timer_hardware_init();
- imx_clocksource_init(rate);
-
- imx_clockevent_init(rate);
-
- /*
- * Make irqs happen for the system timer
- */
- setup_irq(TIM1_INT, &imx_timer_irq);
-}
-
-struct sys_timer imx_timer = {
- .init = imx_timer_init,
-};
projects / linux-beck.git / commitdiff