mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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4193d2d2d7
Signed-off-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
156 lines
4.0 KiB
C
156 lines
4.0 KiB
C
/*
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* LILLY-1131 module support
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*
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* Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
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*
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* based on code for other MX31 boards,
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*
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* Copyright 2005-2007 Freescale Semiconductor
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* Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
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* Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/clk.h>
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#include <linux/platform_device.h>
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#include <linux/interrupt.h>
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#include <linux/smsc911x.h>
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#include <linux/mtd/physmap.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <asm/mach/map.h>
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#include <mach/hardware.h>
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#include <mach/common.h>
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#include <mach/iomux-mx3.h>
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#include <mach/board-mx31lilly.h>
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#include "devices.h"
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/*
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* This file contains module-specific initialization routines for LILLY-1131.
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* Initialization of peripherals found on the baseboard is implemented in the
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* appropriate baseboard support code.
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*/
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/* SMSC ethernet support */
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static struct resource smsc91x_resources[] = {
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{
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.start = CS4_BASE_ADDR,
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.end = CS4_BASE_ADDR + 0xffff,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
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.end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
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.flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
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}
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};
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static struct smsc911x_platform_config smsc911x_config = {
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.phy_interface = PHY_INTERFACE_MODE_MII,
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
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.flags = SMSC911X_USE_32BIT |
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SMSC911X_SAVE_MAC_ADDRESS |
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SMSC911X_FORCE_INTERNAL_PHY,
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};
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static struct platform_device smsc91x_device = {
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.name = "smsc911x",
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.id = -1,
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.num_resources = ARRAY_SIZE(smsc91x_resources),
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.resource = smsc91x_resources,
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.dev = {
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.platform_data = &smsc911x_config,
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}
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};
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/* NOR flash */
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static struct physmap_flash_data nor_flash_data = {
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.width = 2,
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};
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static struct resource nor_flash_resource = {
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.start = 0xa0000000,
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.end = 0xa1ffffff,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device physmap_flash_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &nor_flash_data,
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},
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.resource = &nor_flash_resource,
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.num_resources = 1,
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};
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static struct platform_device *devices[] __initdata = {
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&smsc91x_device,
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&physmap_flash_device,
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&mxc_i2c_device1,
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};
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static int mx31lilly_baseboard;
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core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
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static void __init mx31lilly_board_init(void)
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{
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switch (mx31lilly_baseboard) {
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case MX31LILLY_NOBOARD:
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break;
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case MX31LILLY_DB:
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mx31lilly_db_init();
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break;
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default:
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printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n",
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mx31lilly_baseboard);
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}
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mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
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mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__SCL, "I2C SCL");
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mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__SDA, "I2C SDA");
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platform_add_devices(devices, ARRAY_SIZE(devices));
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}
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static void __init mx31lilly_timer_init(void)
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{
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mx31_clocks_init(26000000);
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}
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static struct sys_timer mx31lilly_timer = {
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.init = mx31lilly_timer_init,
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};
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MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
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.phys_io = AIPS1_BASE_ADDR,
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.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
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.boot_params = PHYS_OFFSET + 0x100,
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.map_io = mx31_map_io,
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.init_irq = mxc_init_irq,
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.init_machine = mx31lilly_board_init,
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.timer = &mx31lilly_timer,
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MACHINE_END
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