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