diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-cpuimx27.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-cpuimx27.c | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-cpuimx27.c b/arch/arm/mach-imx/mach-cpuimx27.c new file mode 100644 index 000000000000..575ff1ae85a7 --- /dev/null +++ b/arch/arm/mach-imx/mach-cpuimx27.c | |||
| @@ -0,0 +1,317 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2009 Eric Benard - eric@eukrea.com | ||
| 3 | * | ||
| 4 | * Based on pcm038.c which is : | ||
| 5 | * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix | ||
| 6 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or | ||
| 9 | * modify it under the terms of the GNU General Public License | ||
| 10 | * as published by the Free Software Foundation; either version 2 | ||
| 11 | * of the License, or (at your option) any later version. | ||
| 12 | * This program is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 15 | * GNU General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License | ||
| 18 | * along with this program; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
| 20 | * MA 02110-1301, USA. | ||
| 21 | */ | ||
| 22 | |||
| 23 | #include <linux/i2c.h> | ||
| 24 | #include <linux/io.h> | ||
| 25 | #include <linux/mtd/plat-ram.h> | ||
| 26 | #include <linux/mtd/physmap.h> | ||
| 27 | #include <linux/platform_device.h> | ||
| 28 | #include <linux/serial_8250.h> | ||
| 29 | #include <linux/usb/otg.h> | ||
| 30 | #include <linux/usb/ulpi.h> | ||
| 31 | #include <linux/fsl_devices.h> | ||
| 32 | |||
| 33 | #include <asm/mach-types.h> | ||
| 34 | #include <asm/mach/arch.h> | ||
| 35 | #include <asm/mach/time.h> | ||
| 36 | #include <asm/mach/map.h> | ||
| 37 | |||
| 38 | #include <mach/eukrea-baseboards.h> | ||
| 39 | #include <mach/common.h> | ||
| 40 | #include <mach/hardware.h> | ||
| 41 | #include <mach/iomux-mx27.h> | ||
| 42 | #include <mach/mxc_nand.h> | ||
| 43 | #include <mach/mxc_ehci.h> | ||
| 44 | #include <mach/ulpi.h> | ||
| 45 | |||
| 46 | #include "devices-imx27.h" | ||
| 47 | #include "devices.h" | ||
| 48 | |||
| 49 | static int eukrea_cpuimx27_pins[] = { | ||
| 50 | /* UART1 */ | ||
| 51 | PE12_PF_UART1_TXD, | ||
| 52 | PE13_PF_UART1_RXD, | ||
| 53 | PE14_PF_UART1_CTS, | ||
| 54 | PE15_PF_UART1_RTS, | ||
| 55 | /* UART4 */ | ||
| 56 | #if defined(MACH_EUKREA_CPUIMX27_USEUART4) | ||
| 57 | PB26_AF_UART4_RTS, | ||
| 58 | PB28_AF_UART4_TXD, | ||
| 59 | PB29_AF_UART4_CTS, | ||
| 60 | PB31_AF_UART4_RXD, | ||
| 61 | #endif | ||
| 62 | /* FEC */ | ||
| 63 | PD0_AIN_FEC_TXD0, | ||
| 64 | PD1_AIN_FEC_TXD1, | ||
| 65 | PD2_AIN_FEC_TXD2, | ||
| 66 | PD3_AIN_FEC_TXD3, | ||
| 67 | PD4_AOUT_FEC_RX_ER, | ||
| 68 | PD5_AOUT_FEC_RXD1, | ||
| 69 | PD6_AOUT_FEC_RXD2, | ||
| 70 | PD7_AOUT_FEC_RXD3, | ||
| 71 | PD8_AF_FEC_MDIO, | ||
| 72 | PD9_AIN_FEC_MDC, | ||
| 73 | PD10_AOUT_FEC_CRS, | ||
| 74 | PD11_AOUT_FEC_TX_CLK, | ||
| 75 | PD12_AOUT_FEC_RXD0, | ||
| 76 | PD13_AOUT_FEC_RX_DV, | ||
| 77 | PD14_AOUT_FEC_RX_CLK, | ||
| 78 | PD15_AOUT_FEC_COL, | ||
| 79 | PD16_AIN_FEC_TX_ER, | ||
| 80 | PF23_AIN_FEC_TX_EN, | ||
| 81 | /* I2C1 */ | ||
| 82 | PD17_PF_I2C_DATA, | ||
| 83 | PD18_PF_I2C_CLK, | ||
| 84 | /* SDHC2 */ | ||
| 85 | #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2) | ||
| 86 | PB4_PF_SD2_D0, | ||
| 87 | PB5_PF_SD2_D1, | ||
| 88 | PB6_PF_SD2_D2, | ||
| 89 | PB7_PF_SD2_D3, | ||
| 90 | PB8_PF_SD2_CMD, | ||
| 91 | PB9_PF_SD2_CLK, | ||
| 92 | #endif | ||
| 93 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | ||
| 94 | /* Quad UART's IRQ */ | ||
| 95 | GPIO_PORTB | 22 | GPIO_GPIO | GPIO_IN, | ||
| 96 | GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN, | ||
| 97 | GPIO_PORTB | 27 | GPIO_GPIO | GPIO_IN, | ||
| 98 | GPIO_PORTB | 30 | GPIO_GPIO | GPIO_IN, | ||
| 99 | #endif | ||
| 100 | /* OTG */ | ||
| 101 | PC7_PF_USBOTG_DATA5, | ||
| 102 | PC8_PF_USBOTG_DATA6, | ||
| 103 | PC9_PF_USBOTG_DATA0, | ||
| 104 | PC10_PF_USBOTG_DATA2, | ||
| 105 | PC11_PF_USBOTG_DATA1, | ||
| 106 | PC12_PF_USBOTG_DATA4, | ||
| 107 | PC13_PF_USBOTG_DATA3, | ||
| 108 | PE0_PF_USBOTG_NXT, | ||
| 109 | PE1_PF_USBOTG_STP, | ||
| 110 | PE2_PF_USBOTG_DIR, | ||
| 111 | PE24_PF_USBOTG_CLK, | ||
| 112 | PE25_PF_USBOTG_DATA7, | ||
| 113 | /* USBH2 */ | ||
| 114 | PA0_PF_USBH2_CLK, | ||
| 115 | PA1_PF_USBH2_DIR, | ||
| 116 | PA2_PF_USBH2_DATA7, | ||
| 117 | PA3_PF_USBH2_NXT, | ||
| 118 | PA4_PF_USBH2_STP, | ||
| 119 | PD19_AF_USBH2_DATA4, | ||
| 120 | PD20_AF_USBH2_DATA3, | ||
| 121 | PD21_AF_USBH2_DATA6, | ||
| 122 | PD22_AF_USBH2_DATA0, | ||
| 123 | PD23_AF_USBH2_DATA2, | ||
| 124 | PD24_AF_USBH2_DATA1, | ||
| 125 | PD26_AF_USBH2_DATA5, | ||
| 126 | }; | ||
| 127 | |||
| 128 | static struct physmap_flash_data eukrea_cpuimx27_flash_data = { | ||
| 129 | .width = 2, | ||
| 130 | }; | ||
| 131 | |||
| 132 | static struct resource eukrea_cpuimx27_flash_resource = { | ||
| 133 | .start = 0xc0000000, | ||
| 134 | .end = 0xc3ffffff, | ||
| 135 | .flags = IORESOURCE_MEM, | ||
| 136 | }; | ||
| 137 | |||
| 138 | static struct platform_device eukrea_cpuimx27_nor_mtd_device = { | ||
| 139 | .name = "physmap-flash", | ||
| 140 | .id = 0, | ||
| 141 | .dev = { | ||
| 142 | .platform_data = &eukrea_cpuimx27_flash_data, | ||
| 143 | }, | ||
| 144 | .num_resources = 1, | ||
| 145 | .resource = &eukrea_cpuimx27_flash_resource, | ||
| 146 | }; | ||
| 147 | |||
| 148 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
| 149 | .flags = IMXUART_HAVE_RTSCTS, | ||
| 150 | }; | ||
| 151 | |||
| 152 | static const struct mxc_nand_platform_data | ||
| 153 | cpuimx27_nand_board_info __initconst = { | ||
| 154 | .width = 1, | ||
| 155 | .hw_ecc = 1, | ||
| 156 | }; | ||
| 157 | |||
| 158 | static struct platform_device *platform_devices[] __initdata = { | ||
| 159 | &eukrea_cpuimx27_nor_mtd_device, | ||
| 160 | &mxc_fec_device, | ||
| 161 | &mxc_wdt, | ||
| 162 | &mxc_w1_master_device, | ||
| 163 | }; | ||
| 164 | |||
| 165 | static const struct imxi2c_platform_data cpuimx27_i2c1_data __initconst = { | ||
| 166 | .bitrate = 100000, | ||
| 167 | }; | ||
| 168 | |||
| 169 | static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = { | ||
| 170 | { | ||
| 171 | I2C_BOARD_INFO("pcf8563", 0x51), | ||
| 172 | }, | ||
| 173 | }; | ||
| 174 | |||
| 175 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | ||
| 176 | static struct plat_serial8250_port serial_platform_data[] = { | ||
| 177 | { | ||
| 178 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x200000), | ||
| 179 | .irq = IRQ_GPIOB(23), | ||
| 180 | .uartclk = 14745600, | ||
| 181 | .regshift = 1, | ||
| 182 | .iotype = UPIO_MEM, | ||
| 183 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | ||
| 184 | }, { | ||
| 185 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x400000), | ||
| 186 | .irq = IRQ_GPIOB(22), | ||
| 187 | .uartclk = 14745600, | ||
| 188 | .regshift = 1, | ||
| 189 | .iotype = UPIO_MEM, | ||
| 190 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | ||
| 191 | }, { | ||
| 192 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x800000), | ||
| 193 | .irq = IRQ_GPIOB(27), | ||
| 194 | .uartclk = 14745600, | ||
| 195 | .regshift = 1, | ||
| 196 | .iotype = UPIO_MEM, | ||
| 197 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | ||
| 198 | }, { | ||
| 199 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x1000000), | ||
| 200 | .irq = IRQ_GPIOB(30), | ||
| 201 | .uartclk = 14745600, | ||
| 202 | .regshift = 1, | ||
| 203 | .iotype = UPIO_MEM, | ||
| 204 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | ||
| 205 | }, { | ||
| 206 | } | ||
| 207 | }; | ||
| 208 | |||
| 209 | static struct platform_device serial_device = { | ||
| 210 | .name = "serial8250", | ||
| 211 | .id = 0, | ||
| 212 | .dev = { | ||
| 213 | .platform_data = serial_platform_data, | ||
| 214 | }, | ||
| 215 | }; | ||
| 216 | #endif | ||
| 217 | |||
| 218 | #if defined(CONFIG_USB_ULPI) | ||
| 219 | static struct mxc_usbh_platform_data otg_pdata = { | ||
| 220 | .portsc = MXC_EHCI_MODE_ULPI, | ||
| 221 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | ||
| 222 | }; | ||
| 223 | |||
| 224 | static struct mxc_usbh_platform_data usbh2_pdata = { | ||
| 225 | .portsc = MXC_EHCI_MODE_ULPI, | ||
| 226 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | ||
| 227 | }; | ||
| 228 | #endif | ||
| 229 | |||
| 230 | static struct fsl_usb2_platform_data otg_device_pdata = { | ||
| 231 | .operating_mode = FSL_USB2_DR_DEVICE, | ||
| 232 | .phy_mode = FSL_USB2_PHY_ULPI, | ||
| 233 | }; | ||
| 234 | |||
| 235 | static int otg_mode_host; | ||
| 236 | |||
| 237 | static int __init eukrea_cpuimx27_otg_mode(char *options) | ||
| 238 | { | ||
| 239 | if (!strcmp(options, "host")) | ||
| 240 | otg_mode_host = 1; | ||
| 241 | else if (!strcmp(options, "device")) | ||
| 242 | otg_mode_host = 0; | ||
| 243 | else | ||
| 244 | pr_info("otg_mode neither \"host\" nor \"device\". " | ||
| 245 | "Defaulting to device\n"); | ||
| 246 | return 0; | ||
| 247 | } | ||
| 248 | __setup("otg_mode=", eukrea_cpuimx27_otg_mode); | ||
| 249 | |||
| 250 | static void __init eukrea_cpuimx27_init(void) | ||
| 251 | { | ||
| 252 | mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins, | ||
| 253 | ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27"); | ||
| 254 | |||
| 255 | imx27_add_imx_uart0(&uart_pdata); | ||
| 256 | |||
| 257 | imx27_add_mxc_nand(&cpuimx27_nand_board_info); | ||
| 258 | |||
| 259 | i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices, | ||
| 260 | ARRAY_SIZE(eukrea_cpuimx27_i2c_devices)); | ||
| 261 | |||
| 262 | imx27_add_i2c_imx1(&cpuimx27_i2c1_data); | ||
| 263 | |||
| 264 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
| 265 | |||
| 266 | #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2) | ||
| 267 | /* SDHC2 can be used for Wifi */ | ||
| 268 | mxc_register_device(&mxc_sdhc_device1, NULL); | ||
| 269 | #endif | ||
| 270 | #if defined(MACH_EUKREA_CPUIMX27_USEUART4) | ||
| 271 | /* in which case UART4 is also used for Bluetooth */ | ||
| 272 | imx27_add_imx_uart3(&uart_pdata); | ||
| 273 | #endif | ||
| 274 | |||
| 275 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | ||
| 276 | platform_device_register(&serial_device); | ||
| 277 | #endif | ||
| 278 | |||
| 279 | #if defined(CONFIG_USB_ULPI) | ||
| 280 | if (otg_mode_host) { | ||
| 281 | otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | ||
| 282 | USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); | ||
| 283 | |||
| 284 | mxc_register_device(&mxc_otg_host, &otg_pdata); | ||
| 285 | } | ||
| 286 | |||
| 287 | usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | ||
| 288 | USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); | ||
| 289 | |||
| 290 | mxc_register_device(&mxc_usbh2, &usbh2_pdata); | ||
| 291 | #endif | ||
| 292 | if (!otg_mode_host) | ||
| 293 | mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); | ||
| 294 | |||
| 295 | #ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD | ||
| 296 | eukrea_mbimx27_baseboard_init(); | ||
| 297 | #endif | ||
| 298 | } | ||
| 299 | |||
| 300 | static void __init eukrea_cpuimx27_timer_init(void) | ||
| 301 | { | ||
| 302 | mx27_clocks_init(26000000); | ||
| 303 | } | ||
| 304 | |||
| 305 | static struct sys_timer eukrea_cpuimx27_timer = { | ||
| 306 | .init = eukrea_cpuimx27_timer_init, | ||
| 307 | }; | ||
| 308 | |||
| 309 | MACHINE_START(CPUIMX27, "EUKREA CPUIMX27") | ||
| 310 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
| 311 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
| 312 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
| 313 | .map_io = mx27_map_io, | ||
| 314 | .init_irq = mx27_init_irq, | ||
| 315 | .init_machine = eukrea_cpuimx27_init, | ||
| 316 | .timer = &eukrea_cpuimx27_timer, | ||
| 317 | MACHINE_END | ||
