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kernel/linux-imx6_3.14.28/arch/arm/mach-mmp/flint.c 2.84 KB
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  /*
   *  linux/arch/arm/mach-mmp/flint.c
   *
   *  Support for the Marvell Flint Development Platform.
   *
   *  Copyright (C) 2009 Marvell International Ltd.
   *
   *  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
   *  publishhed by the Free Software Foundation.
   */
  
  #include <linux/init.h>
  #include <linux/kernel.h>
  #include <linux/platform_device.h>
  #include <linux/smc91x.h>
  #include <linux/io.h>
  #include <linux/gpio.h>
  #include <linux/gpio-pxa.h>
  #include <linux/interrupt.h>
  
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  #include <mach/addr-map.h>
  #include <mach/mfp-mmp2.h>
  #include <mach/mmp2.h>
  #include <mach/irqs.h>
  
  #include "common.h"
  
  #define FLINT_NR_IRQS	(MMP_NR_IRQS + 48)
  
  static unsigned long flint_pin_config[] __initdata = {
  	/* UART1 */
  	GPIO45_UART1_RXD,
  	GPIO46_UART1_TXD,
  
  	/* UART2 */
  	GPIO47_UART2_RXD,
  	GPIO48_UART2_TXD,
  
  	/* SMC */
  	GPIO151_SMC_SCLK,
  	GPIO145_SMC_nCS0,
  	GPIO146_SMC_nCS1,
  	GPIO152_SMC_BE0,
  	GPIO153_SMC_BE1,
  	GPIO154_SMC_IRQ,
  	GPIO113_SMC_RDY,
  
  	/*Ethernet*/
  	GPIO155_GPIO,
  
  	/* DFI */
  	GPIO168_DFI_D0,
  	GPIO167_DFI_D1,
  	GPIO166_DFI_D2,
  	GPIO165_DFI_D3,
  	GPIO107_DFI_D4,
  	GPIO106_DFI_D5,
  	GPIO105_DFI_D6,
  	GPIO104_DFI_D7,
  	GPIO111_DFI_D8,
  	GPIO164_DFI_D9,
  	GPIO163_DFI_D10,
  	GPIO162_DFI_D11,
  	GPIO161_DFI_D12,
  	GPIO110_DFI_D13,
  	GPIO109_DFI_D14,
  	GPIO108_DFI_D15,
  	GPIO143_ND_nCS0,
  	GPIO144_ND_nCS1,
  	GPIO147_ND_nWE,
  	GPIO148_ND_nRE,
  	GPIO150_ND_ALE,
  	GPIO149_ND_CLE,
  	GPIO112_ND_RDY0,
  	GPIO160_ND_RDY1,
  };
  
  static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
  	.irq_base	= MMP_GPIO_TO_IRQ(0),
  };
  
  static struct smc91x_platdata flint_smc91x_info = {
  	.flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  };
  
  static struct resource smc91x_resources[] = {
  	[0] = {
  		.start  = SMC_CS1_PHYS_BASE + 0x300,
  		.end    = SMC_CS1_PHYS_BASE + 0xfffff,
  		.flags  = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start  = MMP_GPIO_TO_IRQ(155),
  		.end    = MMP_GPIO_TO_IRQ(155),
  		.flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  	}
  };
  
  static struct platform_device smc91x_device = {
  	.name           = "smc91x",
  	.id             = 0,
  	.dev            = {
  		.platform_data = &flint_smc91x_info,
  	},
  	.num_resources  = ARRAY_SIZE(smc91x_resources),
  	.resource       = smc91x_resources,
  };
  
  static void __init flint_init(void)
  {
  	mfp_config(ARRAY_AND_SIZE(flint_pin_config));
  
  	/* on-chip devices */
  	mmp2_add_uart(1);
  	mmp2_add_uart(2);
  	platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
  				 sizeof(struct pxa_gpio_platform_data));
  	platform_device_register(&mmp2_device_gpio);
  
  	/* off-chip devices */
  	platform_device_register(&smc91x_device);
  }
  
  MACHINE_START(FLINT, "Flint Development Platform")
  	.map_io		= mmp_map_io,
  	.nr_irqs	= FLINT_NR_IRQS,
  	.init_irq       = mmp2_init_irq,
  	.init_time	= mmp2_timer_init,
  	.init_machine   = flint_init,
  	.restart	= mmp_restart,
  MACHINE_END