WSL2-Linux-Kernel/arch/arm/mach-mmp/flint.c

135 строки
2.8 KiB
C

/*
* 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