1/*
  2 * linux/arch/arm/mach-imx/mach-apf9328.c
  3 *
  4 * Copyright (c) 2005-2011 ARMadeus systems <support@armadeus.com>
  5 *
  6 * This work is based on mach-scb9328.c which is:
  7 * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de>
  8 * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net>
  9 *
 10 * This program is free software; you can redistribute it and/or modify
 11 * it under the terms of the GNU General Public License version 2 as
 12 * published by the Free Software Foundation.
 13 *
 14 */
 15
 16#include <linux/init.h>
 17#include <linux/kernel.h>
 18#include <linux/platform_device.h>
 19#include <linux/mtd/physmap.h>
 20#include <linux/dm9000.h>
 21#include <linux/gpio.h>
 22#include <linux/i2c.h>
 23
 24#include <asm/mach-types.h>
 25#include <asm/mach/arch.h>
 26#include <asm/mach/time.h>
 27
 28#include "common.h"
 29#include "devices-imx1.h"
 30#include "hardware.h"
 31#include "iomux-mx1.h"
 32
 33static const int apf9328_pins[] __initconst = {
 34	/* UART1 */
 35	PC9_PF_UART1_CTS,
 36	PC10_PF_UART1_RTS,
 37	PC11_PF_UART1_TXD,
 38	PC12_PF_UART1_RXD,
 39	/* UART2 */
 40	PB28_PF_UART2_CTS,
 41	PB29_PF_UART2_RTS,
 42	PB30_PF_UART2_TXD,
 43	PB31_PF_UART2_RXD,
 44	/* I2C */
 45	PA15_PF_I2C_SDA,
 46	PA16_PF_I2C_SCL,
 47};
 48
 49/*
 50 * The APF9328 can have up to 32MB NOR Flash
 51 */
 52static struct resource flash_resource = {
 53	.start	= MX1_CS0_PHYS,
 54	.end	= MX1_CS0_PHYS + SZ_32M - 1,
 55	.flags	= IORESOURCE_MEM,
 56};
 57
 58static struct physmap_flash_data apf9328_flash_data = {
 59	.width  = 2,
 60};
 61
 62static struct platform_device apf9328_flash_device = {
 63	.name		= "physmap-flash",
 64	.id		= 0,
 65	.dev = {
 66		.platform_data = &apf9328_flash_data,
 67	},
 68	.resource = &flash_resource,
 69	.num_resources = 1,
 70};
 71
 72/*
 73 * APF9328 has a DM9000 Ethernet controller
 74 */
 75static struct dm9000_plat_data dm9000_setup = {
 76	.flags          = DM9000_PLATF_16BITONLY
 77};
 78
 79static struct resource dm9000_resources[] = {
 80	{
 81		.start  = MX1_CS4_PHYS + 0x00C00000,
 82		.end    = MX1_CS4_PHYS + 0x00C00001,
 83		.flags  = IORESOURCE_MEM,
 84	}, {
 85		.start  = MX1_CS4_PHYS + 0x00C00002,
 86		.end    = MX1_CS4_PHYS + 0x00C00003,
 87		.flags  = IORESOURCE_MEM,
 88	}, {
 89		/* irq number is run-time assigned */
 90		.flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 91	},
 92};
 93
 94static struct platform_device dm9000x_device = {
 95	.name		= "dm9000",
 96	.id		= 0,
 97	.num_resources	= ARRAY_SIZE(dm9000_resources),
 98	.resource	= dm9000_resources,
 99	.dev		= {
100		.platform_data = &dm9000_setup,
101	}
102};
103
104static const struct imxuart_platform_data uart1_pdata __initconst = {
105	.flags = IMXUART_HAVE_RTSCTS,
106};
107
108static const struct imxi2c_platform_data apf9328_i2c_data __initconst = {
109	.bitrate = 100000,
110};
111
112static struct platform_device *devices[] __initdata = {
113	&apf9328_flash_device,
114	&dm9000x_device,
115};
116
117static void __init apf9328_init(void)
118{
119	imx1_soc_init();
120
121	mxc_gpio_setup_multiple_pins(apf9328_pins,
122			ARRAY_SIZE(apf9328_pins),
123			"APF9328");
124
125	imx1_add_imx_uart0(NULL);
126	imx1_add_imx_uart1(&uart1_pdata);
127
128	imx1_add_imx_i2c(&apf9328_i2c_data);
129
130	dm9000_resources[2].start = gpio_to_irq(IMX_GPIO_NR(2, 14));
131	dm9000_resources[2].end = gpio_to_irq(IMX_GPIO_NR(2, 14));
132	platform_add_devices(devices, ARRAY_SIZE(devices));
133}
134
135static void __init apf9328_timer_init(void)
136{
137	mx1_clocks_init(32768);
138}
139
140MACHINE_START(APF9328, "Armadeus APF9328")
141	/* Maintainer: Gwenhael Goavec-Merou, ARMadeus Systems */
142	.map_io       = mx1_map_io,
143	.init_early   = imx1_init_early,
144	.init_irq     = mx1_init_irq,
145	.init_time	= apf9328_timer_init,
146	.init_machine = apf9328_init,
147	.restart	= mxc_restart,
148MACHINE_END