linux/arch/arm/mach-mmp/flint.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 *  linux/arch/arm/mach-mmp/flint.c
   4 *
   5 *  Support for the Marvell Flint Development Platform.
   6 *
   7 *  Copyright (C) 2009 Marvell International Ltd.
   8 */
   9
  10#include <linux/init.h>
  11#include <linux/kernel.h>
  12#include <linux/platform_device.h>
  13#include <linux/smc91x.h>
  14#include <linux/io.h>
  15#include <linux/gpio.h>
  16#include <linux/gpio-pxa.h>
  17#include <linux/interrupt.h>
  18
  19#include <asm/mach-types.h>
  20#include <asm/mach/arch.h>
  21#include "addr-map.h"
  22#include "mfp-mmp2.h"
  23#include "mmp2.h"
  24#include "irqs.h"
  25
  26#include "common.h"
  27
  28#define FLINT_NR_IRQS   (MMP_NR_IRQS + 48)
  29
  30static unsigned long flint_pin_config[] __initdata = {
  31        /* UART1 */
  32        GPIO45_UART1_RXD,
  33        GPIO46_UART1_TXD,
  34
  35        /* UART2 */
  36        GPIO47_UART2_RXD,
  37        GPIO48_UART2_TXD,
  38
  39        /* SMC */
  40        GPIO151_SMC_SCLK,
  41        GPIO145_SMC_nCS0,
  42        GPIO146_SMC_nCS1,
  43        GPIO152_SMC_BE0,
  44        GPIO153_SMC_BE1,
  45        GPIO154_SMC_IRQ,
  46        GPIO113_SMC_RDY,
  47
  48        /*Ethernet*/
  49        GPIO155_GPIO,
  50
  51        /* DFI */
  52        GPIO168_DFI_D0,
  53        GPIO167_DFI_D1,
  54        GPIO166_DFI_D2,
  55        GPIO165_DFI_D3,
  56        GPIO107_DFI_D4,
  57        GPIO106_DFI_D5,
  58        GPIO105_DFI_D6,
  59        GPIO104_DFI_D7,
  60        GPIO111_DFI_D8,
  61        GPIO164_DFI_D9,
  62        GPIO163_DFI_D10,
  63        GPIO162_DFI_D11,
  64        GPIO161_DFI_D12,
  65        GPIO110_DFI_D13,
  66        GPIO109_DFI_D14,
  67        GPIO108_DFI_D15,
  68        GPIO143_ND_nCS0,
  69        GPIO144_ND_nCS1,
  70        GPIO147_ND_nWE,
  71        GPIO148_ND_nRE,
  72        GPIO150_ND_ALE,
  73        GPIO149_ND_CLE,
  74        GPIO112_ND_RDY0,
  75        GPIO160_ND_RDY1,
  76};
  77
  78static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
  79        .irq_base       = MMP_GPIO_TO_IRQ(0),
  80};
  81
  82static struct smc91x_platdata flint_smc91x_info = {
  83        .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  84};
  85
  86static struct resource smc91x_resources[] = {
  87        [0] = {
  88                .start  = SMC_CS1_PHYS_BASE + 0x300,
  89                .end    = SMC_CS1_PHYS_BASE + 0xfffff,
  90                .flags  = IORESOURCE_MEM,
  91        },
  92        [1] = {
  93                .start  = MMP_GPIO_TO_IRQ(155),
  94                .end    = MMP_GPIO_TO_IRQ(155),
  95                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  96        }
  97};
  98
  99static struct platform_device smc91x_device = {
 100        .name           = "smc91x",
 101        .id             = 0,
 102        .dev            = {
 103                .platform_data = &flint_smc91x_info,
 104        },
 105        .num_resources  = ARRAY_SIZE(smc91x_resources),
 106        .resource       = smc91x_resources,
 107};
 108
 109static void __init flint_init(void)
 110{
 111        mfp_config(ARRAY_AND_SIZE(flint_pin_config));
 112
 113        /* on-chip devices */
 114        mmp2_add_uart(1);
 115        mmp2_add_uart(2);
 116        platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
 117                                 sizeof(struct pxa_gpio_platform_data));
 118        platform_device_register(&mmp2_device_gpio);
 119
 120        /* off-chip devices */
 121        platform_device_register(&smc91x_device);
 122}
 123
 124MACHINE_START(FLINT, "Flint Development Platform")
 125        .map_io         = mmp_map_io,
 126        .nr_irqs        = FLINT_NR_IRQS,
 127        .init_irq       = mmp2_init_irq,
 128        .init_time      = mmp2_timer_init,
 129        .init_machine   = flint_init,
 130        .restart        = mmp_restart,
 131MACHINE_END
 132