diff options
Diffstat (limited to 'arch/arm/mach-mx3/armadillo5x0.c')
| -rw-r--r-- | arch/arm/mach-mx3/armadillo5x0.c | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/armadillo5x0.c b/arch/arm/mach-mx3/armadillo5x0.c new file mode 100644 index 000000000000..541181090b37 --- /dev/null +++ b/arch/arm/mach-mx3/armadillo5x0.c | |||
| @@ -0,0 +1,295 @@ | |||
| 1 | /* | ||
| 2 | * armadillo5x0.c | ||
| 3 | * | ||
| 4 | * Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> | ||
| 5 | * updates in http://alberdroid.blogspot.com/ | ||
| 6 | * | ||
| 7 | * Based on Atmark Techno, Inc. armadillo 500 BSP 2008 | ||
| 8 | * Based on mx31ads.c and pcm037.c Great Work! | ||
| 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 as published by | ||
| 12 | * the Free Software Foundation; either version 2 of the License, or | ||
| 13 | * (at your option) any later version. | ||
| 14 | * | ||
| 15 | * This program is distributed in the hope that it will be useful, | ||
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 18 | * GNU General Public License for more details. | ||
| 19 | * | ||
| 20 | * You should have received a copy of the GNU General Public License | ||
| 21 | * along with this program; if not, write to the Free Software | ||
| 22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
| 23 | * MA 02110-1301, USA. | ||
| 24 | */ | ||
| 25 | |||
| 26 | #include <linux/types.h> | ||
| 27 | #include <linux/init.h> | ||
| 28 | #include <linux/clk.h> | ||
| 29 | #include <linux/platform_device.h> | ||
| 30 | #include <linux/gpio.h> | ||
| 31 | #include <linux/smsc911x.h> | ||
| 32 | #include <linux/interrupt.h> | ||
| 33 | #include <linux/irq.h> | ||
| 34 | |||
| 35 | #include <mach/hardware.h> | ||
| 36 | #include <asm/mach-types.h> | ||
| 37 | #include <asm/mach/arch.h> | ||
| 38 | #include <asm/mach/time.h> | ||
| 39 | #include <asm/memory.h> | ||
| 40 | #include <asm/mach/map.h> | ||
| 41 | |||
| 42 | #include <mach/common.h> | ||
| 43 | #include <mach/imx-uart.h> | ||
| 44 | #include <mach/iomux-mx3.h> | ||
| 45 | #include <mach/board-armadillo5x0.h> | ||
| 46 | #include <mach/mmc.h> | ||
| 47 | #include <mach/ipu.h> | ||
| 48 | #include <mach/mx3fb.h> | ||
| 49 | |||
| 50 | #include "devices.h" | ||
| 51 | |||
| 52 | static int armadillo5x0_pins[] = { | ||
| 53 | /* UART1 */ | ||
| 54 | MX31_PIN_CTS1__CTS1, | ||
| 55 | MX31_PIN_RTS1__RTS1, | ||
| 56 | MX31_PIN_TXD1__TXD1, | ||
| 57 | MX31_PIN_RXD1__RXD1, | ||
| 58 | /* UART2 */ | ||
| 59 | MX31_PIN_CTS2__CTS2, | ||
| 60 | MX31_PIN_RTS2__RTS2, | ||
| 61 | MX31_PIN_TXD2__TXD2, | ||
| 62 | MX31_PIN_RXD2__RXD2, | ||
| 63 | /* LAN9118_IRQ */ | ||
| 64 | IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO), | ||
| 65 | /* SDHC1 */ | ||
| 66 | MX31_PIN_SD1_DATA3__SD1_DATA3, | ||
| 67 | MX31_PIN_SD1_DATA2__SD1_DATA2, | ||
| 68 | MX31_PIN_SD1_DATA1__SD1_DATA1, | ||
| 69 | MX31_PIN_SD1_DATA0__SD1_DATA0, | ||
| 70 | MX31_PIN_SD1_CLK__SD1_CLK, | ||
| 71 | MX31_PIN_SD1_CMD__SD1_CMD, | ||
| 72 | /* Framebuffer */ | ||
| 73 | MX31_PIN_LD0__LD0, | ||
| 74 | MX31_PIN_LD1__LD1, | ||
| 75 | MX31_PIN_LD2__LD2, | ||
| 76 | MX31_PIN_LD3__LD3, | ||
| 77 | MX31_PIN_LD4__LD4, | ||
| 78 | MX31_PIN_LD5__LD5, | ||
| 79 | MX31_PIN_LD6__LD6, | ||
| 80 | MX31_PIN_LD7__LD7, | ||
| 81 | MX31_PIN_LD8__LD8, | ||
| 82 | MX31_PIN_LD9__LD9, | ||
| 83 | MX31_PIN_LD10__LD10, | ||
| 84 | MX31_PIN_LD11__LD11, | ||
| 85 | MX31_PIN_LD12__LD12, | ||
| 86 | MX31_PIN_LD13__LD13, | ||
| 87 | MX31_PIN_LD14__LD14, | ||
| 88 | MX31_PIN_LD15__LD15, | ||
| 89 | MX31_PIN_LD16__LD16, | ||
| 90 | MX31_PIN_LD17__LD17, | ||
| 91 | MX31_PIN_VSYNC3__VSYNC3, | ||
| 92 | MX31_PIN_HSYNC__HSYNC, | ||
| 93 | MX31_PIN_FPSHIFT__FPSHIFT, | ||
| 94 | MX31_PIN_DRDY0__DRDY0, | ||
| 95 | IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/ | ||
| 96 | |||
| 97 | }; | ||
| 98 | |||
| 99 | /* | ||
| 100 | * FB support | ||
| 101 | */ | ||
| 102 | static const struct fb_videomode fb_modedb[] = { | ||
| 103 | { /* 640x480 @ 60 Hz */ | ||
| 104 | .name = "CRT-VGA", | ||
| 105 | .refresh = 60, | ||
| 106 | .xres = 640, | ||
| 107 | .yres = 480, | ||
| 108 | .pixclock = 39721, | ||
| 109 | .left_margin = 35, | ||
| 110 | .right_margin = 115, | ||
| 111 | .upper_margin = 43, | ||
| 112 | .lower_margin = 1, | ||
| 113 | .hsync_len = 10, | ||
| 114 | .vsync_len = 1, | ||
| 115 | .sync = FB_SYNC_OE_ACT_HIGH, | ||
| 116 | .vmode = FB_VMODE_NONINTERLACED, | ||
| 117 | .flag = 0, | ||
| 118 | }, {/* 800x600 @ 56 Hz */ | ||
| 119 | .name = "CRT-SVGA", | ||
| 120 | .refresh = 56, | ||
| 121 | .xres = 800, | ||
| 122 | .yres = 600, | ||
| 123 | .pixclock = 30000, | ||
| 124 | .left_margin = 30, | ||
| 125 | .right_margin = 108, | ||
| 126 | .upper_margin = 13, | ||
| 127 | .lower_margin = 10, | ||
| 128 | .hsync_len = 10, | ||
| 129 | .vsync_len = 1, | ||
| 130 | .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_HOR_HIGH_ACT | | ||
| 131 | FB_SYNC_VERT_HIGH_ACT, | ||
| 132 | .vmode = FB_VMODE_NONINTERLACED, | ||
| 133 | .flag = 0, | ||
| 134 | }, | ||
| 135 | }; | ||
| 136 | |||
| 137 | static struct ipu_platform_data mx3_ipu_data = { | ||
| 138 | .irq_base = MXC_IPU_IRQ_START, | ||
| 139 | }; | ||
| 140 | |||
| 141 | static struct mx3fb_platform_data mx3fb_pdata = { | ||
| 142 | .dma_dev = &mx3_ipu.dev, | ||
| 143 | .name = "CRT-VGA", | ||
| 144 | .mode = fb_modedb, | ||
| 145 | .num_modes = ARRAY_SIZE(fb_modedb), | ||
| 146 | }; | ||
| 147 | |||
| 148 | /* | ||
| 149 | * SDHC 1 | ||
| 150 | * MMC support | ||
| 151 | */ | ||
| 152 | static int armadillo5x0_sdhc1_get_ro(struct device *dev) | ||
| 153 | { | ||
| 154 | return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B)); | ||
| 155 | } | ||
| 156 | |||
| 157 | static int armadillo5x0_sdhc1_init(struct device *dev, | ||
| 158 | irq_handler_t detect_irq, void *data) | ||
| 159 | { | ||
| 160 | int ret; | ||
| 161 | int gpio_det, gpio_wp; | ||
| 162 | |||
| 163 | gpio_det = IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK); | ||
| 164 | gpio_wp = IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B); | ||
| 165 | |||
| 166 | ret = gpio_request(gpio_det, "sdhc-card-detect"); | ||
| 167 | if (ret) | ||
| 168 | return ret; | ||
| 169 | |||
| 170 | gpio_direction_input(gpio_det); | ||
| 171 | |||
| 172 | ret = gpio_request(gpio_wp, "sdhc-write-protect"); | ||
| 173 | if (ret) | ||
| 174 | goto err_gpio_free; | ||
| 175 | |||
| 176 | gpio_direction_input(gpio_wp); | ||
| 177 | |||
| 178 | /* When supported the trigger type have to be BOTH */ | ||
| 179 | ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), detect_irq, | ||
| 180 | IRQF_DISABLED | IRQF_TRIGGER_FALLING, | ||
| 181 | "sdhc-detect", data); | ||
| 182 | |||
| 183 | if (ret) | ||
| 184 | goto err_gpio_free_2; | ||
| 185 | |||
| 186 | return 0; | ||
| 187 | |||
| 188 | err_gpio_free_2: | ||
| 189 | gpio_free(gpio_wp); | ||
| 190 | |||
| 191 | err_gpio_free: | ||
| 192 | gpio_free(gpio_det); | ||
| 193 | |||
| 194 | return ret; | ||
| 195 | |||
| 196 | } | ||
| 197 | |||
| 198 | static void armadillo5x0_sdhc1_exit(struct device *dev, void *data) | ||
| 199 | { | ||
| 200 | free_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), data); | ||
| 201 | gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK)); | ||
| 202 | gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B)); | ||
| 203 | } | ||
| 204 | |||
| 205 | static struct imxmmc_platform_data sdhc_pdata = { | ||
| 206 | .get_ro = armadillo5x0_sdhc1_get_ro, | ||
| 207 | .init = armadillo5x0_sdhc1_init, | ||
| 208 | .exit = armadillo5x0_sdhc1_exit, | ||
| 209 | }; | ||
| 210 | |||
| 211 | /* | ||
| 212 | * SMSC 9118 | ||
| 213 | * Network support | ||
| 214 | */ | ||
| 215 | static struct resource armadillo5x0_smc911x_resources[] = { | ||
| 216 | { | ||
| 217 | .start = CS3_BASE_ADDR, | ||
| 218 | .end = CS3_BASE_ADDR + SZ_32M - 1, | ||
| 219 | .flags = IORESOURCE_MEM, | ||
| 220 | }, { | ||
| 221 | .start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0), | ||
| 222 | .end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0), | ||
| 223 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, | ||
| 224 | }, | ||
| 225 | }; | ||
| 226 | |||
| 227 | static struct smsc911x_platform_config smsc911x_info = { | ||
| 228 | .flags = SMSC911X_USE_32BIT, | ||
| 229 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | ||
| 230 | .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, | ||
| 231 | }; | ||
| 232 | |||
| 233 | static struct platform_device armadillo5x0_smc911x_device = { | ||
| 234 | .name = "smsc911x", | ||
| 235 | .id = -1, | ||
| 236 | .num_resources = ARRAY_SIZE(armadillo5x0_smc911x_resources), | ||
| 237 | .resource = armadillo5x0_smc911x_resources, | ||
| 238 | .dev = { | ||
| 239 | .platform_data = &smsc911x_info, | ||
| 240 | }, | ||
| 241 | }; | ||
| 242 | |||
| 243 | /* UART device data */ | ||
| 244 | static struct imxuart_platform_data uart_pdata = { | ||
| 245 | .flags = IMXUART_HAVE_RTSCTS, | ||
| 246 | }; | ||
| 247 | |||
| 248 | static struct platform_device *devices[] __initdata = { | ||
| 249 | &armadillo5x0_smc911x_device, | ||
| 250 | }; | ||
| 251 | |||
| 252 | /* | ||
| 253 | * Perform board specific initializations | ||
| 254 | */ | ||
| 255 | static void __init armadillo5x0_init(void) | ||
| 256 | { | ||
| 257 | mxc_iomux_setup_multiple_pins(armadillo5x0_pins, | ||
| 258 | ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0"); | ||
| 259 | |||
| 260 | platform_add_devices(devices, ARRAY_SIZE(devices)); | ||
| 261 | |||
| 262 | /* Register UART */ | ||
| 263 | mxc_register_device(&mxc_uart_device0, &uart_pdata); | ||
| 264 | mxc_register_device(&mxc_uart_device1, &uart_pdata); | ||
| 265 | |||
| 266 | /* SMSC9118 IRQ pin */ | ||
| 267 | gpio_direction_input(MX31_PIN_GPIO1_0); | ||
| 268 | |||
| 269 | /* Register SDHC */ | ||
| 270 | mxc_register_device(&mxcsdhc_device0, &sdhc_pdata); | ||
| 271 | |||
| 272 | /* Register FB */ | ||
| 273 | mxc_register_device(&mx3_ipu, &mx3_ipu_data); | ||
| 274 | mxc_register_device(&mx3_fb, &mx3fb_pdata); | ||
| 275 | } | ||
| 276 | |||
| 277 | static void __init armadillo5x0_timer_init(void) | ||
| 278 | { | ||
| 279 | mx31_clocks_init(26000000); | ||
| 280 | } | ||
| 281 | |||
| 282 | static struct sys_timer armadillo5x0_timer = { | ||
| 283 | .init = armadillo5x0_timer_init, | ||
| 284 | }; | ||
| 285 | |||
| 286 | MACHINE_START(ARMADILLO5X0, "Armadillo-500") | ||
| 287 | /* Maintainer: Alberto Panizzo */ | ||
| 288 | .phys_io = AIPS1_BASE_ADDR, | ||
| 289 | .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
| 290 | .boot_params = PHYS_OFFSET + 0x00000100, | ||
| 291 | .map_io = mx31_map_io, | ||
| 292 | .init_irq = mxc_init_irq, | ||
| 293 | .timer = &armadillo5x0_timer, | ||
| 294 | .init_machine = armadillo5x0_init, | ||
| 295 | MACHINE_END | ||
