PageRenderTime 27ms CodeModel.GetById 15ms app.highlight 9ms RepoModel.GetById 2ms app.codeStats 0ms

/arch/arm/mach-imx/mach-apf9328.c

https://github.com/AICP/kernel_google_msm
C | 153 lines | 107 code | 22 blank | 24 comment | 0 complexity | d000021bfb88356f7937408fbf314c89 MD5 | raw file
  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/i2c.h>
 22
 23#include <asm/mach-types.h>
 24#include <asm/mach/arch.h>
 25#include <asm/mach/time.h>
 26
 27#include <mach/common.h>
 28#include <mach/hardware.h>
 29#include <mach/irqs.h>
 30#include <mach/iomux-mx1.h>
 31
 32#include "devices-imx1.h"
 33
 34static const int apf9328_pins[] __initconst = {
 35	/* UART1 */
 36	PC9_PF_UART1_CTS,
 37	PC10_PF_UART1_RTS,
 38	PC11_PF_UART1_TXD,
 39	PC12_PF_UART1_RXD,
 40	/* UART2 */
 41	PB28_PF_UART2_CTS,
 42	PB29_PF_UART2_RTS,
 43	PB30_PF_UART2_TXD,
 44	PB31_PF_UART2_RXD,
 45	/* I2C */
 46	PA15_PF_I2C_SDA,
 47	PA16_PF_I2C_SCL,
 48};
 49
 50/*
 51 * The APF9328 can have up to 32MB NOR Flash
 52 */
 53static struct resource flash_resource = {
 54	.start	= MX1_CS0_PHYS,
 55	.end	= MX1_CS0_PHYS + SZ_32M - 1,
 56	.flags	= IORESOURCE_MEM,
 57};
 58
 59static struct physmap_flash_data apf9328_flash_data = {
 60	.width  = 2,
 61};
 62
 63static struct platform_device apf9328_flash_device = {
 64	.name		= "physmap-flash",
 65	.id		= 0,
 66	.dev = {
 67		.platform_data = &apf9328_flash_data,
 68	},
 69	.resource = &flash_resource,
 70	.num_resources = 1,
 71};
 72
 73/*
 74 * APF9328 has a DM9000 Ethernet controller
 75 */
 76static struct dm9000_plat_data dm9000_setup = {
 77	.flags          = DM9000_PLATF_16BITONLY
 78};
 79
 80static struct resource dm9000_resources[] = {
 81	{
 82		.start  = MX1_CS4_PHYS + 0x00C00000,
 83		.end    = MX1_CS4_PHYS + 0x00C00001,
 84		.flags  = IORESOURCE_MEM,
 85	}, {
 86		.start  = MX1_CS4_PHYS + 0x00C00002,
 87		.end    = MX1_CS4_PHYS + 0x00C00003,
 88		.flags  = IORESOURCE_MEM,
 89	}, {
 90		.start  = IRQ_GPIOB(14),
 91		.end    = IRQ_GPIOB(14),
 92		.flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 93	},
 94};
 95
 96static struct platform_device dm9000x_device = {
 97	.name		= "dm9000",
 98	.id		= 0,
 99	.num_resources	= ARRAY_SIZE(dm9000_resources),
100	.resource	= dm9000_resources,
101	.dev		= {
102		.platform_data = &dm9000_setup,
103	}
104};
105
106static const struct imxuart_platform_data uart1_pdata __initconst = {
107	.flags = IMXUART_HAVE_RTSCTS,
108};
109
110static const struct imxi2c_platform_data apf9328_i2c_data __initconst = {
111	.bitrate = 100000,
112};
113
114static struct platform_device *devices[] __initdata = {
115	&apf9328_flash_device,
116	&dm9000x_device,
117};
118
119static void __init apf9328_init(void)
120{
121	imx1_soc_init();
122
123	mxc_gpio_setup_multiple_pins(apf9328_pins,
124			ARRAY_SIZE(apf9328_pins),
125			"APF9328");
126
127	imx1_add_imx_uart0(NULL);
128	imx1_add_imx_uart1(&uart1_pdata);
129
130	imx1_add_imx_i2c(&apf9328_i2c_data);
131
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
140static struct sys_timer apf9328_timer = {
141	.init	= apf9328_timer_init,
142};
143
144MACHINE_START(APF9328, "Armadeus APF9328")
145	/* Maintainer: Gwenhael Goavec-Merou, ARMadeus Systems */
146	.map_io       = mx1_map_io,
147	.init_early   = imx1_init_early,
148	.init_irq     = mx1_init_irq,
149	.handle_irq   = imx1_handle_irq,
150	.timer        = &apf9328_timer,
151	.init_machine = apf9328_init,
152	.restart	= mxc_restart,
153MACHINE_END