diff options
author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2009-12-10 10:41:26 +0100 |
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committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-01-08 16:40:51 +0100 |
commit | 321ed164369bb5e4888eb24d70ebc64c232ffc31 (patch) | |
tree | 41f5b2fddf9199dcf76900a593f9e54d087e1d37 /arch/arm/mach-mx3/mx31pdk.c | |
parent | 386c5cf7a9a1d6856f17bde43174f751fac1bc0b (diff) |
imx/mx3: rename files defining a machine to mach-$mach.c
While at it remove some superfluous parenthesis.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Daniel Mack <daniel@caiaq.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Valentin Longchamp <valentin.longchamp@epfl.ch>
Diffstat (limited to 'arch/arm/mach-mx3/mx31pdk.c')
-rw-r--r-- | arch/arm/mach-mx3/mx31pdk.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/arch/arm/mach-mx3/mx31pdk.c b/arch/arm/mach-mx3/mx31pdk.c deleted file mode 100644 index e71e3b40162..00000000000 --- a/arch/arm/mach-mx3/mx31pdk.c +++ /dev/null @@ -1,266 +0,0 @@ -/* - * Copyright 2008 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/irq.h> -#include <linux/gpio.h> -#include <linux/smsc911x.h> -#include <linux/platform_device.h> - -#include <mach/hardware.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/time.h> -#include <asm/memory.h> -#include <asm/mach/map.h> -#include <mach/common.h> -#include <mach/board-mx31pdk.h> -#include <mach/imx-uart.h> -#include <mach/iomux-mx3.h> -#include "devices.h" - -/*! - * @file mx31pdk.c - * - * @brief This file contains the board-specific initialization routines. - * - * @ingroup System - */ - -static int mx31pdk_pins[] = { - /* UART1 */ - MX31_PIN_CTS1__CTS1, - MX31_PIN_RTS1__RTS1, - MX31_PIN_TXD1__TXD1, - MX31_PIN_RXD1__RXD1, - IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO), -}; - -static struct imxuart_platform_data uart_pdata = { - .flags = IMXUART_HAVE_RTSCTS, -}; - -/* - * Support for the SMSC9217 on the Debug board. - */ - -static struct smsc911x_platform_config smsc911x_config = { - .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, - .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, - .flags = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY, - .phy_interface = PHY_INTERFACE_MODE_MII, -}; - -static struct resource smsc911x_resources[] = { - { - .start = LAN9217_BASE_ADDR, - .end = LAN9217_BASE_ADDR + 0xff, - .flags = IORESOURCE_MEM, - }, { - .start = EXPIO_INT_ENET, - .end = EXPIO_INT_ENET, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device smsc911x_device = { - .name = "smsc911x", - .id = -1, - .num_resources = ARRAY_SIZE(smsc911x_resources), - .resource = smsc911x_resources, - .dev = { - .platform_data = &smsc911x_config, - }, -}; - -/* - * Routines for the CPLD on the debug board. It contains a CPLD handling - * LEDs, switches, interrupts for Ethernet. - */ - -static void mx31pdk_expio_irq_handler(uint32_t irq, struct irq_desc *desc) -{ - uint32_t imr_val; - uint32_t int_valid; - uint32_t expio_irq; - - imr_val = __raw_readw(CPLD_INT_MASK_REG); - int_valid = __raw_readw(CPLD_INT_STATUS_REG) & ~imr_val; - - expio_irq = MXC_EXP_IO_BASE; - for (; int_valid != 0; int_valid >>= 1, expio_irq++) { - if ((int_valid & 1) == 0) - continue; - generic_handle_irq(expio_irq); - } -} - -/* - * Disable an expio pin's interrupt by setting the bit in the imr. - * @param irq an expio virtual irq number - */ -static void expio_mask_irq(uint32_t irq) -{ - uint16_t reg; - uint32_t expio = MXC_IRQ_TO_EXPIO(irq); - - /* mask the interrupt */ - reg = __raw_readw(CPLD_INT_MASK_REG); - reg |= 1 << expio; - __raw_writew(reg, CPLD_INT_MASK_REG); -} - -/* - * Acknowledge an expanded io pin's interrupt by clearing the bit in the isr. - * @param irq an expanded io virtual irq number - */ -static void expio_ack_irq(uint32_t irq) -{ - uint32_t expio = MXC_IRQ_TO_EXPIO(irq); - - /* clear the interrupt status */ - __raw_writew(1 << expio, CPLD_INT_RESET_REG); - __raw_writew(0, CPLD_INT_RESET_REG); - /* mask the interrupt */ - expio_mask_irq(irq); -} - -/* - * Enable a expio pin's interrupt by clearing the bit in the imr. - * @param irq a expio virtual irq number - */ -static void expio_unmask_irq(uint32_t irq) -{ - uint16_t reg; - uint32_t expio = MXC_IRQ_TO_EXPIO(irq); - - /* unmask the interrupt */ - reg = __raw_readw(CPLD_INT_MASK_REG); - reg &= ~(1 << expio); - __raw_writew(reg, CPLD_INT_MASK_REG); -} - -static struct irq_chip expio_irq_chip = { - .ack = expio_ack_irq, - .mask = expio_mask_irq, - .unmask = expio_unmask_irq, -}; - -static int __init mx31pdk_init_expio(void) -{ - int i; - int ret; - - /* Check if there's a debug board connected */ - if ((__raw_readw(CPLD_MAGIC_NUMBER1_REG) != 0xAAAA) || - (__raw_readw(CPLD_MAGIC_NUMBER2_REG) != 0x5555) || - (__raw_readw(CPLD_MAGIC_NUMBER3_REG) != 0xCAFE)) { - /* No Debug board found */ - return -ENODEV; - } - - pr_info("i.MX31PDK Debug board detected, rev = 0x%04X\n", - __raw_readw(CPLD_CODE_VER_REG)); - - /* - * Configure INT line as GPIO input - */ - ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1), "sms9217-irq"); - if (ret) - pr_warning("could not get LAN irq gpio\n"); - else - gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1)); - - /* Disable the interrupts and clear the status */ - __raw_writew(0, CPLD_INT_MASK_REG); - __raw_writew(0xFFFF, CPLD_INT_RESET_REG); - __raw_writew(0, CPLD_INT_RESET_REG); - __raw_writew(0x1F, CPLD_INT_MASK_REG); - for (i = MXC_EXP_IO_BASE; - i < (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES); - i++) { - set_irq_chip(i, &expio_irq_chip); - set_irq_handler(i, handle_level_irq); - set_irq_flags(i, IRQF_VALID); - } - set_irq_type(EXPIO_PARENT_INT, IRQ_TYPE_LEVEL_LOW); - set_irq_chained_handler(EXPIO_PARENT_INT, mx31pdk_expio_irq_handler); - - return 0; -} - -/* - * This structure defines the MX31 memory map. - */ -static struct map_desc mx31pdk_io_desc[] __initdata = { - { - .virtual = MX31_CS5_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(MX31_CS5_BASE_ADDR), - .length = MX31_CS5_SIZE, - .type = MT_DEVICE, - }, -}; - -/* - * Set up static virtual mappings. - */ -static void __init mx31pdk_map_io(void) -{ - mx31_map_io(); - iotable_init(mx31pdk_io_desc, ARRAY_SIZE(mx31pdk_io_desc)); -} - -/*! - * Board specific initialization. - */ -static void __init mxc_board_init(void) -{ - mxc_iomux_setup_multiple_pins(mx31pdk_pins, ARRAY_SIZE(mx31pdk_pins), - "mx31pdk"); - - mxc_register_device(&mxc_uart_device0, &uart_pdata); - - if (!mx31pdk_init_expio()) - platform_device_register(&smsc911x_device); -} - -static void __init mx31pdk_timer_init(void) -{ - mx31_clocks_init(26000000); -} - -static struct sys_timer mx31pdk_timer = { - .init = mx31pdk_timer_init, -}; - -/* - * The following uses standard kernel macros defined in arch.h in order to - * initialize __mach_desc_MX31PDK data structure. - */ -MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") - /* Maintainer: Freescale Semiconductor, Inc. */ - .phys_io = MX31_AIPS1_BASE_ADDR, - .io_pg_offst = ((MX31_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, - .boot_params = PHYS_OFFSET + 0x100, - .map_io = mx31pdk_map_io, - .init_irq = mx31_init_irq, - .init_machine = mxc_board_init, - .timer = &mx31pdk_timer, -MACHINE_END |