LXR linux/arch/arm/mach-mmp/tavorevb.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 *  linux/arch/arm/mach-mmp/tavorevb.c
   4 *
   5 *  Support for the Marvell PXA910-based TavorEVB Development Platform.
   6 */
   7#include <linux/gpio.h>
   8#include <linux/gpio-pxa.h>
   9#include <linux/init.h>
  10#include <linux/kernel.h>
  11#include <linux/platform_device.h>
  12#include <linux/smc91x.h>
  13
  14#include <asm/mach-types.h>
  15#include <asm/mach/arch.h>
  16#include "addr-map.h"
  17#include "mfp-pxa910.h"
  18#include "pxa910.h"
  19#include "irqs.h"
  20
  21#include "common.h"
  22
  23static unsigned long tavorevb_pin_config[] __initdata = {
  24        /* UART2 */
  25        GPIO47_UART2_RXD,
  26        GPIO48_UART2_TXD,
  27
  28        /* SMC */
  29        SM_nCS0_nCS0,
  30        SM_ADV_SM_ADV,
  31        SM_SCLK_SM_SCLK,
  32        SM_SCLK_SM_SCLK,
  33        SM_BE0_SM_BE0,
  34        SM_BE1_SM_BE1,
  35
  36        /* DFI */
  37        DF_IO0_ND_IO0,
  38        DF_IO1_ND_IO1,
  39        DF_IO2_ND_IO2,
  40        DF_IO3_ND_IO3,
  41        DF_IO4_ND_IO4,
  42        DF_IO5_ND_IO5,
  43        DF_IO6_ND_IO6,
  44        DF_IO7_ND_IO7,
  45        DF_IO8_ND_IO8,
  46        DF_IO9_ND_IO9,
  47        DF_IO10_ND_IO10,
  48        DF_IO11_ND_IO11,
  49        DF_IO12_ND_IO12,
  50        DF_IO13_ND_IO13,
  51        DF_IO14_ND_IO14,
  52        DF_IO15_ND_IO15,
  53        DF_nCS0_SM_nCS2_nCS0,
  54        DF_ALE_SM_WEn_ND_ALE,
  55        DF_CLE_SM_OEn_ND_CLE,
  56        DF_WEn_DF_WEn,
  57        DF_REn_DF_REn,
  58        DF_RDY0_DF_RDY0,
  59};
  60
  61static struct pxa_gpio_platform_data pxa910_gpio_pdata = {
  62        .irq_base       = MMP_GPIO_TO_IRQ(0),
  63};
  64
  65static struct smc91x_platdata tavorevb_smc91x_info = {
  66        .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  67};
  68
  69static struct resource smc91x_resources[] = {
  70        [0] = {
  71                .start  = SMC_CS1_PHYS_BASE + 0x300,
  72                .end    = SMC_CS1_PHYS_BASE + 0xfffff,
  73                .flags  = IORESOURCE_MEM,
  74        },
  75        [1] = {
  76                .start  = MMP_GPIO_TO_IRQ(80),
  77                .end    = MMP_GPIO_TO_IRQ(80),
  78                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  79        }
  80};
  81
  82static struct platform_device smc91x_device = {
  83        .name           = "smc91x",
  84        .id             = 0,
  85        .dev            = {
  86                .platform_data = &tavorevb_smc91x_info,
  87        },
  88        .num_resources  = ARRAY_SIZE(smc91x_resources),
  89        .resource       = smc91x_resources,
  90};
  91
  92static void __init tavorevb_init(void)
  93{
  94        mfp_config(ARRAY_AND_SIZE(tavorevb_pin_config));
  95
  96        /* on-chip devices */
  97        pxa910_add_uart(1);
  98        platform_device_add_data(&pxa910_device_gpio, &pxa910_gpio_pdata,
  99                                 sizeof(struct pxa_gpio_platform_data));
 100        platform_device_register(&pxa910_device_gpio);
 101
 102        /* off-chip devices */
 103        platform_device_register(&smc91x_device);
 104}
 105
 106MACHINE_START(TAVOREVB, "PXA910 Evaluation Board (aka TavorEVB)")
 107        .map_io         = mmp_map_io,
 108        .nr_irqs        = MMP_NR_IRQS,
 109        .init_irq       = pxa910_init_irq,
 110        .init_time      = pxa910_timer_init,
 111        .init_machine   = tavorevb_init,
 112        .restart        = mmp_restart,
 113MACHINE_END
 114