diff options
Diffstat (limited to 'arch/arm/mach-mx3')
| -rw-r--r-- | arch/arm/mach-mx3/Kconfig | 12 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/Makefile | 8 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/Makefile.boot | 3 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/mm.c | 64 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/mx31ads.c | 142 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/time.c | 148 |
6 files changed, 0 insertions, 377 deletions
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig deleted file mode 100644 index 5fe8606cac0..00000000000 --- a/arch/arm/mach-mx3/Kconfig +++ /dev/null @@ -1,12 +0,0 @@ -menu "MX3 Options" - depends on ARCH_MX3 - -config MACH_MX31ADS - bool "Support MX31ADS platforms" - default y - help - Include support for MX31ADS platform. This includes specific - configurations for the board and its peripherals. - -endmenu - diff --git a/arch/arm/mach-mx3/Makefile b/arch/arm/mach-mx3/Makefile deleted file mode 100644 index cbec997f332..00000000000 --- a/arch/arm/mach-mx3/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# Makefile for the linux kernel. -# - -# Object file lists. - -obj-y := mm.o time.o -obj-$(CONFIG_MACH_MX31ADS) += mx31ads.o diff --git a/arch/arm/mach-mx3/Makefile.boot b/arch/arm/mach-mx3/Makefile.boot deleted file mode 100644 index e1dd366f836..00000000000 --- a/arch/arm/mach-mx3/Makefile.boot +++ /dev/null @@ -1,3 +0,0 @@ - zreladdr-y := 0x80008000 -params_phys-y := 0x80000100 -initrd_phys-y := 0x80800000 diff --git a/arch/arm/mach-mx3/mm.c b/arch/arm/mach-mx3/mm.c deleted file mode 100644 index 41dad485ded..00000000000 --- a/arch/arm/mach-mx3/mm.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Copyright (C) 1999,2000 Arm Limited - * Copyright (C) 2000 Deep Blue Solutions Ltd - * Copyright (C) 2002 Shane Nay (shane@minirl.com) - * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. - * - add MX31 specific definitions - * - * 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/mm.h> -#include <linux/init.h> -#include <asm/hardware.h> -#include <asm/pgtable.h> -#include <asm/mach/map.h> -#include <asm/arch/common.h> - -/*! - * @file mm.c - * - * @brief This file creates static virtual to physical mappings, common to all MX3 boards. - * - * @ingroup Memory - */ - -/*! - * This table defines static virtual address mappings for I/O regions. - * These are the mappings common across all MX3 boards. - */ -static struct map_desc mxc_io_desc[] __initdata = { - { - .virtual = X_MEMC_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(X_MEMC_BASE_ADDR), - .length = X_MEMC_SIZE, - .type = MT_DEVICE - }, { - .virtual = AVIC_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AVIC_BASE_ADDR), - .length = AVIC_SIZE, - .type = MT_NONSHARED_DEVICE - }, -}; - -/*! - * This function initializes the memory map. It is called during the - * system startup to create static physical to virtual memory mappings - * for the IO modules. - */ -void __init mxc_map_io(void) -{ - iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); -} diff --git a/arch/arm/mach-mx3/mx31ads.c b/arch/arm/mach-mx3/mx31ads.c deleted file mode 100644 index 7e89bdc23a9..00000000000 --- a/arch/arm/mach-mx3/mx31ads.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * Copyright (C) 2000 Deep Blue Solutions Ltd - * Copyright (C) 2002 Shane Nay (shane@minirl.com) - * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. - * - * 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/types.h> -#include <linux/init.h> -#include <linux/clk.h> -#include <linux/serial_8250.h> - -#include <asm/hardware.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/memory.h> -#include <asm/mach/map.h> -#include <asm/arch/common.h> - -/*! - * @file mx31ads.c - * - * @brief This file contains the board-specific initialization routines. - * - * @ingroup System - */ - -#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) -/*! - * The serial port definition structure. - */ -static struct plat_serial8250_port serial_platform_data[] = { - { - .membase = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTA), - .mapbase = (unsigned long)(CS4_BASE_ADDR + PBC_SC16C652_UARTA), - .irq = EXPIO_INT_XUART_INTA, - .uartclk = 14745600, - .regshift = 0, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ, - }, { - .membase = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTB), - .mapbase = (unsigned long)(CS4_BASE_ADDR + PBC_SC16C652_UARTB), - .irq = EXPIO_INT_XUART_INTB, - .uartclk = 14745600, - .regshift = 0, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ, - }, - {}, -}; - -static struct platform_device serial_device = { - .name = "serial8250", - .id = 0, - .dev = { - .platform_data = serial_platform_data, - }, -}; - -static int __init mxc_init_extuart(void) -{ - return platform_device_register(&serial_device); -} -#else -static inline int mxc_init_extuart(void) -{ - return 0; -} -#endif - -/*! - * This structure defines static mappings for the i.MX31ADS board. - */ -static struct map_desc mx31ads_io_desc[] __initdata = { - { - .virtual = AIPS1_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), - .length = AIPS1_SIZE, - .type = MT_NONSHARED_DEVICE - }, { - .virtual = SPBA0_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(SPBA0_BASE_ADDR), - .length = SPBA0_SIZE, - .type = MT_NONSHARED_DEVICE - }, { - .virtual = AIPS2_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), - .length = AIPS2_SIZE, - .type = MT_NONSHARED_DEVICE - }, { - .virtual = CS4_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(CS4_BASE_ADDR), - .length = CS4_SIZE / 2, - .type = MT_DEVICE - }, -}; - -/*! - * Set up static virtual mappings. - */ -void __init mx31ads_map_io(void) -{ - mxc_map_io(); - iotable_init(mx31ads_io_desc, ARRAY_SIZE(mx31ads_io_desc)); -} - -/*! - * Board specific initialization. - */ -static void __init mxc_board_init(void) -{ - mxc_init_extuart(); -} - -/* - * The following uses standard kernel macros defined in arch.h in order to - * initialize __mach_desc_MX31ADS data structure. - */ -MACHINE_START(MX31ADS, "Freescale MX31ADS") - /* Maintainer: Freescale Semiconductor, Inc. */ - .phys_io = AIPS1_BASE_ADDR, - .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, - .boot_params = PHYS_OFFSET + 0x100, - .map_io = mx31ads_map_io, - .init_irq = mxc_init_irq, - .init_machine = mxc_board_init, - .timer = &mxc_timer, -MACHINE_END diff --git a/arch/arm/mach-mx3/time.c b/arch/arm/mach-mx3/time.c deleted file mode 100644 index fb565c98dbf..00000000000 --- a/arch/arm/mach-mx3/time.c +++ /dev/null @@ -1,148 +0,0 @@ -/* - * System Timer Interrupt reconfigured to run in free-run mode. - * Author: Vitaly Wool - * Copyright 2004 MontaVista Software Inc. - * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. - */ - -/* - * 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. - */ - -/*! - * @file time.c - * @brief This file contains OS tick and wdog timer implementations. - * - * This file contains OS tick and wdog timer implementations. - * - * @ingroup Timers - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <asm/hardware.h> -#include <asm/mach/time.h> -#include <asm/io.h> -#include <asm/arch/common.h> - -/*! - * This is the timer interrupt service routine to do required tasks. - * It also services the WDOG timer at the frequency of twice per WDOG - * timeout value. For example, if the WDOG's timeout value is 4 (2 - * seconds since the WDOG runs at 0.5Hz), it will be serviced once - * every 2/2=1 second. - * - * @param irq GPT interrupt source number (not used) - * @param dev_id this parameter is not used - * @return always returns \b IRQ_HANDLED as defined in - * include/linux/interrupt.h. - */ -static irqreturn_t mxc_timer_interrupt(int irq, void *dev_id) -{ - unsigned int next_match; - - if (__raw_readl(MXC_GPT_GPTSR) & GPTSR_OF1) { - do { - timer_tick(); - next_match = __raw_readl(MXC_GPT_GPTOCR1) + LATCH; - __raw_writel(GPTSR_OF1, MXC_GPT_GPTSR); - __raw_writel(next_match, MXC_GPT_GPTOCR1); - } while ((signed long)(next_match - - __raw_readl(MXC_GPT_GPTCNT)) <= 0); - } - - return IRQ_HANDLED; -} - -/*! - * This function is used to obtain the number of microseconds since the last - * timer interrupt. Note that interrupts is disabled by do_gettimeofday(). - * - * @return the number of microseconds since the last timer interrupt. - */ -static unsigned long mxc_gettimeoffset(void) -{ - unsigned long ticks_to_match, elapsed, usec, tick_usec, i; - - /* Get ticks before next timer match */ - ticks_to_match = - __raw_readl(MXC_GPT_GPTOCR1) - __raw_readl(MXC_GPT_GPTCNT); - - /* We need elapsed ticks since last match */ - elapsed = LATCH - ticks_to_match; - - /* Now convert them to usec */ - /* Insure no overflow when calculating the usec below */ - for (i = 1, tick_usec = tick_nsec / 1000;; i *= 2) { - tick_usec /= i; - if ((0xFFFFFFFF / tick_usec) > elapsed) - break; - } - usec = (unsigned long)(elapsed * tick_usec) / (LATCH / i); - - return usec; -} - -/*! - * The OS tick timer interrupt structure. - */ -static struct irqaction timer_irq = { - .name = "MXC Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, - .handler = mxc_timer_interrupt -}; - -/*! - * This function is used to initialize the GPT to produce an interrupt - * based on HZ. It is called by start_kernel() during system startup. - */ -void __init mxc_init_time(void) -{ - u32 reg, v; - reg = __raw_readl(MXC_GPT_GPTCR); - reg &= ~GPTCR_ENABLE; - __raw_writel(reg, MXC_GPT_GPTCR); - reg |= GPTCR_SWR; - __raw_writel(reg, MXC_GPT_GPTCR); - - while ((__raw_readl(MXC_GPT_GPTCR) & GPTCR_SWR) != 0) - cpu_relax(); - - reg = GPTCR_FRR | GPTCR_CLKSRC_HIGHFREQ; - __raw_writel(reg, MXC_GPT_GPTCR); - - /* TODO: get timer rate from clk driver */ - v = 66500000; - - __raw_writel((v / CLOCK_TICK_RATE) - 1, MXC_GPT_GPTPR); - - if ((v % CLOCK_TICK_RATE) != 0) { - pr_info("\nWARNING: Can't generate CLOCK_TICK_RATE at %d Hz\n", - CLOCK_TICK_RATE); - } - pr_info("Actual CLOCK_TICK_RATE is %d Hz\n", - v / ((__raw_readl(MXC_GPT_GPTPR) & 0xFFF) + 1)); - - reg = __raw_readl(MXC_GPT_GPTCNT); - reg += LATCH; - __raw_writel(reg, MXC_GPT_GPTOCR1); - - setup_irq(MXC_INT_GPT, &timer_irq); - - reg = __raw_readl(MXC_GPT_GPTCR); - reg = - GPTCR_FRR | GPTCR_CLKSRC_HIGHFREQ | GPTCR_STOPEN | GPTCR_DOZEN | - GPTCR_WAITEN | GPTCR_ENMOD | GPTCR_ENABLE; - __raw_writel(reg, MXC_GPT_GPTCR); - - __raw_writel(GPTIR_OF1IE, MXC_GPT_GPTIR); -} - -struct sys_timer mxc_timer = { - .init = mxc_init_time, - .offset = mxc_gettimeoffset, -}; |