diff options
Diffstat (limited to 'arch')
32 files changed, 0 insertions, 3504 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig deleted file mode 100644 index cddd194ac6e..00000000000 --- a/arch/arm/mach-imx/Kconfig +++ /dev/null @@ -1,11 +0,0 @@ -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 diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile deleted file mode 100644 index b047c7e795a..00000000000 --- a/arch/arm/mach-imx/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -# -# 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 diff --git a/arch/arm/mach-imx/Makefile.boot b/arch/arm/mach-imx/Makefile.boot deleted file mode 100644 index fd72ce5b808..00000000000 --- a/arch/arm/mach-imx/Makefile.boot +++ /dev/null @@ -1,2 +0,0 @@ - zreladdr-$(CONFIG_ARCH_MX1ADS) := 0x08008000 - diff --git a/arch/arm/mach-imx/clock.c b/arch/arm/mach-imx/clock.c deleted file mode 100644 index cf332aeb942..00000000000 --- a/arch/arm/mach-imx/clock.c +++ /dev/null @@ -1,210 +0,0 @@ -/* - * 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; -} - diff --git a/arch/arm/mach-imx/cpufreq.c b/arch/arm/mach-imx/cpufreq.c deleted file mode 100644 index 434b4ca0af6..00000000000 --- a/arch/arm/mach-imx/cpufreq.c +++ /dev/null @@ -1,315 +0,0 @@ -/* - * 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); - diff --git a/arch/arm/mach-imx/dma.c b/arch/arm/mach-imx/dma.c deleted file mode 100644 index 1536583eece..00000000000 --- a/arch/arm/mach-imx/dma.c +++ /dev/null @@ -1,597 +0,0 @@ -/* - * 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); diff --git a/arch/arm/mach-imx/generic.c b/arch/arm/mach-imx/generic.c deleted file mode 100644 index 05f1739ee12..00000000000 --- a/arch/arm/mach-imx/generic.c +++ /dev/null @@ -1,271 +0,0 @@ -/* - * 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); diff --git a/arch/arm/mach-imx/generic.h b/arch/arm/mach-imx/generic.h deleted file mode 100644 index e91003e4bef..00000000000 --- a/arch/arm/mach-imx/generic.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * 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; diff --git a/arch/arm/mach-imx/include/mach/debug-macro.S b/arch/arm/mach-imx/include/mach/debug-macro.S deleted file mode 100644 index 87802bbfe63..00000000000 --- a/arch/arm/mach-imx/include/mach/debug-macro.S +++ /dev/null @@ -1,34 +0,0 @@ -/* 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 diff --git a/arch/arm/mach-imx/include/mach/dma.h b/arch/arm/mach-imx/include/mach/dma.h deleted file mode 100644 index 621ff2c730f..00000000000 --- a/arch/arm/mach-imx/include/mach/dma.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * 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 */ diff --git a/arch/arm/mach-imx/include/mach/entry-macro.S b/arch/arm/mach-imx/include/mach/entry-macro.S deleted file mode 100644 index e4db679f776..00000000000 --- a/arch/arm/mach-imx/include/mach/entry-macro.S +++ /dev/null @@ -1,32 +0,0 @@ -/* - * 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 diff --git a/arch/arm/mach-imx/include/mach/gpio.h b/arch/arm/mach-imx/include/mach/gpio.h deleted file mode 100644 index 6c2942f8292..00000000000 --- a/arch/arm/mach-imx/include/mach/gpio.h +++ /dev/null @@ -1,106 +0,0 @@ -#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 diff --git a/arch/arm/mach-imx/include/mach/hardware.h b/arch/arm/mach-imx/include/mach/hardware.h deleted file mode 100644 index c73e9e724c7..00000000000 --- a/arch/arm/mach-imx/include/mach/hardware.h +++ /dev/null @@ -1,91 +0,0 @@ -/* - * 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 diff --git a/arch/arm/mach-imx/include/mach/imx-dma.h b/arch/arm/mach-imx/include/mach/imx-dma.h deleted file mode 100644 index bbe54df7f0d..00000000000 --- a/arch/arm/mach-imx/include/mach/imx-dma.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * 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 */ diff --git a/arch/arm/mach-imx/include/mach/imx-regs.h b/arch/arm/mach-imx/include/mach/imx-regs.h deleted file mode 100644 index 490297fc0e3..00000000000 --- a/arch/arm/mach-imx/include/mach/imx-regs.h +++ /dev/null @@ -1,376 +0,0 @@ -#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 diff --git a/arch/arm/mach-imx/include/mach/imx-uart.h b/arch/arm/mach-imx/include/mach/imx-uart.h deleted file mode 100644 index d54eb1d4802..00000000000 --- a/arch/arm/mach-imx/include/mach/imx-uart.h +++ /dev/null @@ -1,12 +0,0 @@ -#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 diff --git a/arch/arm/mach-imx/include/mach/io.h b/arch/arm/mach-imx/include/mach/io.h deleted file mode 100644 index 9e197ae4590..00000000000 --- a/arch/arm/mach-imx/include/mach/io.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * 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 diff --git a/arch/arm/mach-imx/include/mach/irqs.h b/arch/arm/mach-imx/include/mach/irqs.h deleted file mode 100644 index 67812c5ac1f..00000000000 --- a/arch/arm/mach-imx/include/mach/irqs.h +++ /dev/null @@ -1,121 +0,0 @@ -/* - * 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 diff --git a/arch/arm/mach-imx/include/mach/memory.h b/arch/arm/mach-imx/include/mach/memory.h deleted file mode 100644 index a93df7cba69..00000000000 --- a/arch/arm/mach-imx/include/mach/memory.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * 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 diff --git a/arch/arm/mach-imx/include/mach/mmc.h b/arch/arm/mach-imx/include/mach/mmc.h deleted file mode 100644 index 4712f354dcc..00000000000 --- a/arch/arm/mach-imx/include/mach/mmc.h +++ /dev/null @@ -1,15 +0,0 @@ -#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 diff --git a/arch/arm/mach-imx/include/mach/mx1ads.h b/arch/arm/mach-imx/include/mach/mx1ads.h deleted file mode 100644 index def05d510eb..00000000000 --- a/arch/arm/mach-imx/include/mach/mx1ads.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * 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 */ diff --git a/arch/arm/mach-imx/include/mach/spi_imx.h b/arch/arm/mach-imx/include/mach/spi_imx.h deleted file mode 100644 index 4186430feec..00000000000 --- a/arch/arm/mach-imx/include/mach/spi_imx.h +++ /dev/null @@ -1,72 +0,0 @@ -/* - * 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_*/ diff --git a/arch/arm/mach-imx/include/mach/system.h b/arch/arm/mach-imx/include/mach/system.h deleted file mode 100644 index 46d4ca91af7..00000000000 --- a/arch/arm/mach-imx/include/mach/system.h +++ /dev/null @@ -1,40 +0,0 @@ -/* - * 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 diff --git a/arch/arm/mach-imx/include/mach/timex.h b/arch/arm/mach-imx/include/mach/timex.h deleted file mode 100644 index e22ba789546..00000000000 --- a/arch/arm/mach-imx/include/mach/timex.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * 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 diff --git a/arch/arm/mach-imx/include/mach/uncompress.h b/arch/arm/mach-imx/include/mach/uncompress.h deleted file mode 100644 index 70523e67a8f..00000000000 --- a/arch/arm/mach-imx/include/mach/uncompress.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * 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() diff --git a/arch/arm/mach-imx/include/mach/vmalloc.h b/arch/arm/mach-imx/include/mach/vmalloc.h deleted file mode 100644 index 7d7cb0bde3e..00000000000 --- a/arch/arm/mach-imx/include/mach/vmalloc.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * 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) diff --git a/arch/arm/mach-imx/irq.c b/arch/arm/mach-imx/irq.c deleted file mode 100644 index 531b95deadc..00000000000 --- a/arch/arm/mach-imx/irq.c +++ /dev/null @@ -1,311 +0,0 @@ -/* - * 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 -} diff --git a/arch/arm/mach-imx/leds-mx1ads.c b/arch/arm/mach-imx/leds-mx1ads.c deleted file mode 100644 index 1d48f2762cb..00000000000 --- a/arch/arm/mach-imx/leds-mx1ads.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * 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); -} diff --git a/arch/arm/mach-imx/leds.c b/arch/arm/mach-imx/leds.c deleted file mode 100644 index cf30803e019..00000000000 --- a/arch/arm/mach-imx/leds.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * 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); diff --git a/arch/arm/mach-imx/leds.h b/arch/arm/mach-imx/leds.h deleted file mode 100644 index 49dc1c1da33..00000000000 --- a/arch/arm/mach-imx/leds.h +++ /dev/null @@ -1,9 +0,0 @@ -/* - * 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); diff --git a/arch/arm/mach-imx/mx1ads.c b/arch/arm/mach-imx/mx1ads.c deleted file mode 100644 index 87fa1ff43b0..00000000000 --- a/arch/arm/mach-imx/mx1ads.c +++ /dev/null @@ -1,180 +0,0 @@ -/* - * 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 diff --git a/arch/arm/mach-imx/time.c b/arch/arm/mach-imx/time.c deleted file mode 100644 index 5aef18b599e..00000000000 --- a/arch/arm/mach-imx/time.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * 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, -}; |