diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31lite.c')
-rw-r--r-- | arch/arm/mach-mx3/mx31lite.c | 175 |
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 | ||
48 | static unsigned int mx31lite_pins[] = { | 59 | static 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, | |
58 | static 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 | ||
62 | static struct mxc_nand_platform_data mx31lite_nand_board_info = { | 72 | static 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 | |||
111 | static int spi_internal_chipselect[] = { | ||
112 | MXC_SPI_CS(0), | ||
113 | }; | ||
114 | |||
115 | static struct spi_imx_master spi1_pdata = { | ||
116 | .chipselect = spi_internal_chipselect, | ||
117 | .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), | ||
118 | }; | ||
119 | |||
120 | static struct mc13783_platform_data mc13783_pdata __initdata = { | ||
121 | .flags = MC13783_USE_RTC | | ||
122 | MC13783_USE_REGULATOR, | ||
123 | }; | ||
124 | |||
125 | static 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 | |||
141 | static 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 | |||
178 | static 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 | |||
188 | static struct physmap_flash_data nor_flash_data = { | ||
189 | .width = 2, | ||
190 | }; | ||
191 | |||
192 | static struct resource nor_flash_resource = { | ||
193 | .start = 0xa0000000, | ||
194 | .end = 0xa1ffffff, | ||
195 | .flags = IORESOURCE_MEM, | ||
196 | }; | ||
197 | |||
198 | static 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 | */ |
98 | static struct map_desc mx31lite_io_desc[] __initdata = { | 213 | static 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 | /* | 236 | static int mx31lite_baseboard; |
122 | * Board specific initialization. | 237 | core_param(mx31lite_baseboard, mx31lite_baseboard, int, 0444); |
123 | */ | 238 | |
124 | static void __init mxc_board_init(void) | 239 | static 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 | /* | 289 | MACHINE_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 | |||
158 | MACHINE_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, |