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
  23 static 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
  61 static struct pxa_gpio_platform_data pxa910_gpio_pdata = {
  62         .irq_base       = MMP_GPIO_TO_IRQ(0),
  63 };
  64
  65 static struct smc91x_platdata tavorevb_smc91x_info = {
  66         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  67 };
  68
  69 static 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
  82 static 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
  92 static 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
 106 MACHINE_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,
 113 MACHINE_END