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-rw-r--r--arch/arm/mach-mx3/mx31lite.c175
1 files changed, 153 insertions, 22 deletions
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c
index a8d57decdfdb..def6b6736594 100644
--- a/arch/arm/mach-mx3/mx31lite.c
+++ b/arch/arm/mach-mx3/mx31lite.c
@@ -2,6 +2,7 @@
2 * Copyright (C) 2000 Deep Blue Solutions Ltd 2 * Copyright (C) 2000 Deep Blue Solutions Ltd
3 * Copyright (C) 2002 Shane Nay (shane@minirl.com) 3 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
4 * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. 4 * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
5 * Copyright (C) 2009 Daniel Mack <daniel@caiaq.de>
5 * 6 *
6 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by 8 * it under the terms of the GNU General Public License as published by
@@ -25,38 +26,47 @@
25#include <linux/platform_device.h> 26#include <linux/platform_device.h>
26#include <linux/gpio.h> 27#include <linux/gpio.h>
27#include <linux/smsc911x.h> 28#include <linux/smsc911x.h>
29#include <linux/mfd/mc13783.h>
30#include <linux/spi/spi.h>
31#include <linux/usb/otg.h>
32#include <linux/usb/ulpi.h>
33#include <linux/mtd/physmap.h>
28 34
29#include <mach/hardware.h>
30#include <asm/mach-types.h> 35#include <asm/mach-types.h>
31#include <asm/mach/arch.h> 36#include <asm/mach/arch.h>
32#include <asm/mach/time.h> 37#include <asm/mach/time.h>
33#include <asm/mach/map.h> 38#include <asm/mach/map.h>
34#include <mach/common.h>
35#include <asm/page.h> 39#include <asm/page.h>
36#include <asm/setup.h> 40#include <asm/setup.h>
41
42#include <mach/hardware.h>
43#include <mach/common.h>
37#include <mach/board-mx31lite.h> 44#include <mach/board-mx31lite.h>
38#include <mach/imx-uart.h> 45#include <mach/imx-uart.h>
39#include <mach/iomux-mx3.h> 46#include <mach/iomux-mx3.h>
40#include <mach/irqs.h> 47#include <mach/irqs.h>
41#include <mach/mxc_nand.h> 48#include <mach/mxc_nand.h>
49#include <mach/spi.h>
50#include <mach/mxc_ehci.h>
51#include <mach/ulpi.h>
52
42#include "devices.h" 53#include "devices.h"
43 54
44/* 55/*
45 * This file contains the board-specific initialization routines. 56 * This file contains the module-specific initialization routines.
46 */ 57 */
47 58
48static unsigned int mx31lite_pins[] = { 59static unsigned int mx31lite_pins[] = {
49 /* UART1 */
50 MX31_PIN_CTS1__CTS1,
51 MX31_PIN_RTS1__RTS1,
52 MX31_PIN_TXD1__TXD1,
53 MX31_PIN_RXD1__RXD1,
54 /* LAN9117 IRQ pin */ 60 /* LAN9117 IRQ pin */
55 IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), 61 IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO),
56}; 62 /* SPI 1 */
57 63 MX31_PIN_CSPI2_SCLK__SCLK,
58static struct imxuart_platform_data uart_pdata = { 64 MX31_PIN_CSPI2_MOSI__MOSI,
59 .flags = IMXUART_HAVE_RTSCTS, 65 MX31_PIN_CSPI2_MISO__MISO,
66 MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
67 MX31_PIN_CSPI2_SS0__SS0,
68 MX31_PIN_CSPI2_SS1__SS1,
69 MX31_PIN_CSPI2_SS2__SS2,
60}; 70};
61 71
62static struct mxc_nand_platform_data mx31lite_nand_board_info = { 72static struct mxc_nand_platform_data mx31lite_nand_board_info = {
@@ -93,6 +103,111 @@ static struct platform_device smsc911x_device = {
93}; 103};
94 104
95/* 105/*
106 * SPI
107 *
108 * The MC13783 is the only hard-wired SPI device on the module.
109 */
110
111static int spi_internal_chipselect[] = {
112 MXC_SPI_CS(0),
113};
114
115static struct spi_imx_master spi1_pdata = {
116 .chipselect = spi_internal_chipselect,
117 .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
118};
119
120static struct mc13783_platform_data mc13783_pdata __initdata = {
121 .flags = MC13783_USE_RTC |
122 MC13783_USE_REGULATOR,
123};
124
125static struct spi_board_info mc13783_spi_dev __initdata = {
126 .modalias = "mc13783",
127 .max_speed_hz = 1000000,
128 .bus_num = 1,
129 .chip_select = 0,
130 .platform_data = &mc13783_pdata,
131 .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
132};
133
134/*
135 * USB
136 */
137
138#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
139 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
140
141static int usbh2_init(struct platform_device *pdev)
142{
143 int pins[] = {
144 MX31_PIN_USBH2_DATA0__USBH2_DATA0,
145 MX31_PIN_USBH2_DATA1__USBH2_DATA1,
146 MX31_PIN_USBH2_CLK__USBH2_CLK,
147 MX31_PIN_USBH2_DIR__USBH2_DIR,
148 MX31_PIN_USBH2_NXT__USBH2_NXT,
149 MX31_PIN_USBH2_STP__USBH2_STP,
150 };
151
152 mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2");
153
154 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
155 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
156 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
157 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
158 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
159 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
160 mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
161 mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
162 mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
163 mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
164 mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
165 mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
166
167 mxc_iomux_set_gpr(MUX_PGP_UH2, true);
168
169 /* chip select */
170 mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO),
171 "USBH2_CS");
172 gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS");
173 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0);
174
175 return 0;
176}
177
178static struct mxc_usbh_platform_data usbh2_pdata = {
179 .init = usbh2_init,
180 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
181 .flags = MXC_EHCI_POWER_PINS_ENABLED,
182};
183
184/*
185 * NOR flash
186 */
187
188static struct physmap_flash_data nor_flash_data = {
189 .width = 2,
190};
191
192static struct resource nor_flash_resource = {
193 .start = 0xa0000000,
194 .end = 0xa1ffffff,
195 .flags = IORESOURCE_MEM,
196};
197
198static struct platform_device physmap_flash_device = {
199 .name = "physmap-flash",
200 .id = 0,
201 .dev = {
202 .platform_data = &nor_flash_data,
203 },
204 .resource = &nor_flash_resource,
205 .num_resources = 1,
206};
207
208
209
210/*
96 * This structure defines the MX31 memory map. 211 * This structure defines the MX31 memory map.
97 */ 212 */
98static struct map_desc mx31lite_io_desc[] __initdata = { 213static struct map_desc mx31lite_io_desc[] __initdata = {
@@ -118,19 +233,40 @@ void __init mx31lite_map_io(void)
118 iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc)); 233 iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc));
119} 234}
120 235
121/* 236static int mx31lite_baseboard;
122 * Board specific initialization. 237core_param(mx31lite_baseboard, mx31lite_baseboard, int, 0444);
123 */ 238
124static void __init mxc_board_init(void) 239static void __init mxc_board_init(void)
125{ 240{
126 int ret; 241 int ret;
127 242
243 switch (mx31lite_baseboard) {
244 case MX31LITE_NOBOARD:
245 break;
246 case MX31LITE_DB:
247 mx31lite_db_init();
248 break;
249 default:
250 printk(KERN_ERR "Illegal mx31lite_baseboard type %d\n",
251 mx31lite_baseboard);
252 }
253
128 mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins), 254 mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins),
129 "mx31lite"); 255 "mx31lite");
130 256
131 mxc_register_device(&mxc_uart_device0, &uart_pdata); 257 /* NOR and NAND flash */
258 platform_device_register(&physmap_flash_device);
132 mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info); 259 mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info);
133 260
261 mxc_register_device(&mxc_spi_device1, &spi1_pdata);
262 spi_register_board_info(&mc13783_spi_dev, 1);
263
264 /* USB */
265 usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
266 USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
267
268 mxc_register_device(&mxc_usbh2, &usbh2_pdata);
269
134 /* SMSC9117 IRQ pin */ 270 /* SMSC9117 IRQ pin */
135 ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq"); 271 ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq");
136 if (ret) 272 if (ret)
@@ -150,12 +286,7 @@ struct sys_timer mx31lite_timer = {
150 .init = mx31lite_timer_init, 286 .init = mx31lite_timer_init,
151}; 287};
152 288
153/* 289MACHINE_START(MX31LITE, "LogicPD i.MX31 SOM")
154 * The following uses standard kernel macros defined in arch.h in order to
155 * initialize __mach_desc_MX31LITE data structure.
156 */
157
158MACHINE_START(MX31LITE, "LogicPD MX31 LITEKIT")
159 /* Maintainer: Freescale Semiconductor, Inc. */ 290 /* Maintainer: Freescale Semiconductor, Inc. */
160 .phys_io = AIPS1_BASE_ADDR, 291 .phys_io = AIPS1_BASE_ADDR,
161 .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, 292 .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,