Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * TI DA830/OMAP L137 EVM board |
| 3 | * |
| 4 | * Author: Mark A. Greer <mgreer@mvista.com> |
| 5 | * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c |
| 6 | * |
| 7 | * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under |
| 8 | * the terms of the GNU General Public License version 2. This program |
| 9 | * is licensed "as is" without any warranty of any kind, whether express |
| 10 | * or implied. |
| 11 | */ |
| 12 | #include <linux/kernel.h> |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 13 | #include <linux/init.h> |
| 14 | #include <linux/console.h> |
Sergei Shtylyov | 0e9a3dd | 2009-09-25 23:28:13 +0400 | [diff] [blame] | 15 | #include <linux/interrupt.h> |
Steve Chen | 13e1f04 | 2009-09-15 18:15:06 -0700 | [diff] [blame] | 16 | #include <linux/gpio.h> |
David A. Griego | 733975a | 2009-09-18 14:15:18 -0700 | [diff] [blame] | 17 | #include <linux/platform_device.h> |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 18 | #include <linux/i2c.h> |
Steve Chen | 13e1f04 | 2009-09-15 18:15:06 -0700 | [diff] [blame] | 19 | #include <linux/i2c/pcf857x.h> |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 20 | #include <linux/i2c/at24.h> |
David A. Griego | 733975a | 2009-09-18 14:15:18 -0700 | [diff] [blame] | 21 | #include <linux/mtd/mtd.h> |
| 22 | #include <linux/mtd/partitions.h> |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 23 | |
| 24 | #include <asm/mach-types.h> |
| 25 | #include <asm/mach/arch.h> |
| 26 | |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 27 | #include <mach/cp_intc.h> |
Mark A. Greer | 32bf078 | 2009-08-28 15:05:21 -0700 | [diff] [blame] | 28 | #include <mach/mux.h> |
David A. Griego | 733975a | 2009-09-18 14:15:18 -0700 | [diff] [blame] | 29 | #include <mach/nand.h> |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 30 | #include <mach/da8xx.h> |
Sergei Shtylyov | 0e9a3dd | 2009-09-25 23:28:13 +0400 | [diff] [blame] | 31 | #include <mach/usb.h> |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 32 | |
| 33 | #define DA830_EVM_PHY_MASK 0x0 |
| 34 | #define DA830_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */ |
| 35 | |
David A. Griego | 733975a | 2009-09-18 14:15:18 -0700 | [diff] [blame] | 36 | #define DA830_EMIF25_ASYNC_DATA_CE3_BASE 0x62000000 |
| 37 | #define DA830_EMIF25_CONTROL_BASE 0x68000000 |
| 38 | |
Sergei Shtylyov | 0e9a3dd | 2009-09-25 23:28:13 +0400 | [diff] [blame] | 39 | /* |
| 40 | * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4]. |
| 41 | */ |
| 42 | #define ON_BD_USB_DRV GPIO_TO_PIN(1, 15) |
| 43 | #define ON_BD_USB_OVC GPIO_TO_PIN(2, 4) |
| 44 | |
| 45 | static const short da830_evm_usb11_pins[] = { |
| 46 | DA830_GPIO1_15, DA830_GPIO2_4, |
| 47 | -1 |
| 48 | }; |
| 49 | |
| 50 | static da8xx_ocic_handler_t da830_evm_usb_ocic_handler; |
| 51 | |
| 52 | static int da830_evm_usb_set_power(unsigned port, int on) |
| 53 | { |
| 54 | gpio_set_value(ON_BD_USB_DRV, on); |
| 55 | return 0; |
| 56 | } |
| 57 | |
| 58 | static int da830_evm_usb_get_power(unsigned port) |
| 59 | { |
| 60 | return gpio_get_value(ON_BD_USB_DRV); |
| 61 | } |
| 62 | |
| 63 | static int da830_evm_usb_get_oci(unsigned port) |
| 64 | { |
| 65 | return !gpio_get_value(ON_BD_USB_OVC); |
| 66 | } |
| 67 | |
| 68 | static irqreturn_t da830_evm_usb_ocic_irq(int, void *); |
| 69 | |
| 70 | static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler) |
| 71 | { |
| 72 | int irq = gpio_to_irq(ON_BD_USB_OVC); |
| 73 | int error = 0; |
| 74 | |
| 75 | if (handler != NULL) { |
| 76 | da830_evm_usb_ocic_handler = handler; |
| 77 | |
| 78 | error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_DISABLED | |
| 79 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
| 80 | "OHCI over-current indicator", NULL); |
| 81 | if (error) |
| 82 | printk(KERN_ERR "%s: could not request IRQ to watch " |
| 83 | "over-current indicator changes\n", __func__); |
| 84 | } else |
| 85 | free_irq(irq, NULL); |
| 86 | |
| 87 | return error; |
| 88 | } |
| 89 | |
| 90 | static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = { |
| 91 | .set_power = da830_evm_usb_set_power, |
| 92 | .get_power = da830_evm_usb_get_power, |
| 93 | .get_oci = da830_evm_usb_get_oci, |
| 94 | .ocic_notify = da830_evm_usb_ocic_notify, |
| 95 | |
| 96 | /* TPS2065 switch @ 5V */ |
| 97 | .potpgt = (3 + 1) / 2, /* 3 ms max */ |
| 98 | }; |
| 99 | |
| 100 | static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id) |
| 101 | { |
| 102 | da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1); |
| 103 | return IRQ_HANDLED; |
| 104 | } |
| 105 | |
| 106 | static __init void da830_evm_usb_init(void) |
| 107 | { |
| 108 | u32 cfgchip2; |
| 109 | int ret; |
| 110 | |
| 111 | /* |
| 112 | * Set up USB clock/mode in the CFGCHIP2 register. |
| 113 | * FYI: CFGCHIP2 is 0x0000ef00 initially. |
| 114 | */ |
| 115 | cfgchip2 = __raw_readl(DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP2_REG)); |
| 116 | |
| 117 | /* USB2.0 PHY reference clock is 24 MHz */ |
| 118 | cfgchip2 &= ~CFGCHIP2_REFFREQ; |
| 119 | cfgchip2 |= CFGCHIP2_REFFREQ_24MHZ; |
| 120 | |
| 121 | /* |
| 122 | * Select internal reference clock for USB 2.0 PHY |
| 123 | * and use it as a clock source for USB 1.1 PHY |
| 124 | * (this is the default setting anyway). |
| 125 | */ |
| 126 | cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX; |
| 127 | cfgchip2 |= CFGCHIP2_USB2PHYCLKMUX; |
| 128 | |
Sergei Shtylyov | ca6a272 | 2009-10-30 23:52:04 +0400 | [diff] [blame] | 129 | /* |
| 130 | * We have to override VBUS/ID signals when MUSB is configured into the |
| 131 | * host-only mode -- ID pin will float if no cable is connected, so the |
| 132 | * controller won't be able to drive VBUS thinking that it's a B-device. |
| 133 | * Otherwise, we want to use the OTG mode and enable VBUS comparators. |
| 134 | */ |
| 135 | cfgchip2 &= ~CFGCHIP2_OTGMODE; |
| 136 | #ifdef CONFIG_USB_MUSB_HOST |
| 137 | cfgchip2 |= CFGCHIP2_FORCE_HOST; |
| 138 | #else |
| 139 | cfgchip2 |= CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN; |
| 140 | #endif |
| 141 | |
Sergei Shtylyov | 0e9a3dd | 2009-09-25 23:28:13 +0400 | [diff] [blame] | 142 | __raw_writel(cfgchip2, DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP2_REG)); |
| 143 | |
Sergei Shtylyov | ca6a272 | 2009-10-30 23:52:04 +0400 | [diff] [blame] | 144 | /* USB_REFCLKIN is not used. */ |
| 145 | ret = davinci_cfg_reg(DA830_USB0_DRVVBUS); |
| 146 | if (ret) |
| 147 | pr_warning("%s: USB 2.0 PinMux setup failed: %d\n", |
| 148 | __func__, ret); |
| 149 | else { |
| 150 | /* |
| 151 | * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A), |
| 152 | * with the power on to power good time of 3 ms. |
| 153 | */ |
| 154 | ret = da8xx_register_usb20(1000, 3); |
| 155 | if (ret) |
| 156 | pr_warning("%s: USB 2.0 registration failed: %d\n", |
| 157 | __func__, ret); |
| 158 | } |
| 159 | |
Sergei Shtylyov | 0e9a3dd | 2009-09-25 23:28:13 +0400 | [diff] [blame] | 160 | ret = da8xx_pinmux_setup(da830_evm_usb11_pins); |
| 161 | if (ret) { |
| 162 | pr_warning("%s: USB 1.1 PinMux setup failed: %d\n", |
| 163 | __func__, ret); |
| 164 | return; |
| 165 | } |
| 166 | |
| 167 | ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV"); |
| 168 | if (ret) { |
| 169 | printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port " |
| 170 | "power control: %d\n", __func__, ret); |
| 171 | return; |
| 172 | } |
| 173 | gpio_direction_output(ON_BD_USB_DRV, 0); |
| 174 | |
| 175 | ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC"); |
| 176 | if (ret) { |
| 177 | printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port " |
| 178 | "over-current indicator: %d\n", __func__, ret); |
| 179 | return; |
| 180 | } |
| 181 | gpio_direction_input(ON_BD_USB_OVC); |
| 182 | |
| 183 | ret = da8xx_register_usb11(&da830_evm_usb11_pdata); |
| 184 | if (ret) |
| 185 | pr_warning("%s: USB 1.1 registration failed: %d\n", |
| 186 | __func__, ret); |
| 187 | } |
| 188 | |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 189 | static struct davinci_uart_config da830_evm_uart_config __initdata = { |
| 190 | .enabled_uarts = 0x7, |
| 191 | }; |
| 192 | |
Mark A. Greer | 32bf078 | 2009-08-28 15:05:21 -0700 | [diff] [blame] | 193 | static const short da830_evm_mcasp1_pins[] = { |
| 194 | DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1, |
| 195 | DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5, |
| 196 | DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10, |
| 197 | DA830_AXR1_11, |
| 198 | -1 |
| 199 | }; |
| 200 | |
Chaithrika U S | e33ef5e | 2009-08-11 17:01:59 -0400 | [diff] [blame] | 201 | static u8 da830_iis_serializer_direction[] = { |
| 202 | RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, |
| 203 | INACTIVE_MODE, TX_MODE, INACTIVE_MODE, INACTIVE_MODE, |
| 204 | INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, |
| 205 | }; |
| 206 | |
| 207 | static struct snd_platform_data da830_evm_snd_data = { |
| 208 | .tx_dma_offset = 0x2000, |
| 209 | .rx_dma_offset = 0x2000, |
| 210 | .op_mode = DAVINCI_MCASP_IIS_MODE, |
| 211 | .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction), |
| 212 | .tdm_slots = 2, |
| 213 | .serial_dir = da830_iis_serializer_direction, |
| 214 | .eventq_no = EVENTQ_0, |
| 215 | .version = MCASP_VERSION_2, |
| 216 | .txnumevt = 1, |
| 217 | .rxnumevt = 1, |
| 218 | }; |
| 219 | |
David A. Griego | 2eb30c8 | 2009-09-15 18:10:20 -0700 | [diff] [blame] | 220 | /* |
| 221 | * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS. |
| 222 | */ |
| 223 | static const short da830_evm_mmc_sd_pins[] = { |
| 224 | DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2, |
| 225 | DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5, |
| 226 | DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK, |
| 227 | DA830_MMCSD_CMD, DA830_GPIO2_1, DA830_GPIO2_2, |
| 228 | -1 |
| 229 | }; |
| 230 | |
| 231 | #define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1) |
| 232 | |
| 233 | static int da830_evm_mmc_get_ro(int index) |
| 234 | { |
| 235 | return gpio_get_value(DA830_MMCSD_WP_PIN); |
| 236 | } |
| 237 | |
| 238 | static struct davinci_mmc_config da830_evm_mmc_config = { |
| 239 | .get_ro = da830_evm_mmc_get_ro, |
| 240 | .wires = 4, |
Chaithrika U S | 0046d0b | 2009-11-03 15:46:14 +0530 | [diff] [blame^] | 241 | .max_freq = 50000000, |
| 242 | .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, |
David A. Griego | 2eb30c8 | 2009-09-15 18:10:20 -0700 | [diff] [blame] | 243 | .version = MMC_CTLR_VERSION_2, |
| 244 | }; |
| 245 | |
| 246 | static inline void da830_evm_init_mmc(void) |
| 247 | { |
| 248 | int ret; |
| 249 | |
| 250 | ret = da8xx_pinmux_setup(da830_evm_mmc_sd_pins); |
| 251 | if (ret) { |
| 252 | pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n", |
| 253 | ret); |
| 254 | return; |
| 255 | } |
| 256 | |
| 257 | ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP"); |
| 258 | if (ret) { |
| 259 | pr_warning("da830_evm_init: can not open GPIO %d\n", |
| 260 | DA830_MMCSD_WP_PIN); |
| 261 | return; |
| 262 | } |
| 263 | gpio_direction_input(DA830_MMCSD_WP_PIN); |
| 264 | |
| 265 | ret = da8xx_register_mmcsd0(&da830_evm_mmc_config); |
| 266 | if (ret) { |
| 267 | pr_warning("da830_evm_init: mmc/sd registration failed: %d\n", |
| 268 | ret); |
| 269 | gpio_free(DA830_MMCSD_WP_PIN); |
| 270 | } |
| 271 | } |
| 272 | |
Sekhar Nori | a0433ac | 2009-10-09 20:55:43 +0530 | [diff] [blame] | 273 | /* |
| 274 | * UI board NAND/NOR flashes only use 8-bit data bus. |
| 275 | */ |
| 276 | static const short da830_evm_emif25_pins[] = { |
| 277 | DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3, |
| 278 | DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7, |
| 279 | DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3, |
| 280 | DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7, |
| 281 | DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11, |
| 282 | DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE, |
| 283 | DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0, |
| 284 | -1 |
| 285 | }; |
| 286 | |
Sekhar Nori | b5ebe4e | 2009-10-21 21:18:21 +0530 | [diff] [blame] | 287 | #if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE) |
| 288 | #define HAS_MMC 1 |
| 289 | #else |
| 290 | #define HAS_MMC 0 |
| 291 | #endif |
| 292 | |
David A. Griego | 733975a | 2009-09-18 14:15:18 -0700 | [diff] [blame] | 293 | #ifdef CONFIG_DA830_UI_NAND |
| 294 | static struct mtd_partition da830_evm_nand_partitions[] = { |
| 295 | /* bootloader (U-Boot, etc) in first sector */ |
| 296 | [0] = { |
| 297 | .name = "bootloader", |
| 298 | .offset = 0, |
| 299 | .size = SZ_128K, |
| 300 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 301 | }, |
| 302 | /* bootloader params in the next sector */ |
| 303 | [1] = { |
| 304 | .name = "params", |
| 305 | .offset = MTDPART_OFS_APPEND, |
| 306 | .size = SZ_128K, |
| 307 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 308 | }, |
| 309 | /* kernel */ |
| 310 | [2] = { |
| 311 | .name = "kernel", |
| 312 | .offset = MTDPART_OFS_APPEND, |
| 313 | .size = SZ_2M, |
| 314 | .mask_flags = 0, |
| 315 | }, |
| 316 | /* file system */ |
| 317 | [3] = { |
| 318 | .name = "filesystem", |
| 319 | .offset = MTDPART_OFS_APPEND, |
| 320 | .size = MTDPART_SIZ_FULL, |
| 321 | .mask_flags = 0, |
| 322 | } |
| 323 | }; |
| 324 | |
| 325 | /* flash bbt decriptors */ |
| 326 | static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' }; |
| 327 | static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' }; |
| 328 | |
| 329 | static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = { |
| 330 | .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | |
| 331 | NAND_BBT_WRITE | NAND_BBT_2BIT | |
| 332 | NAND_BBT_VERSION | NAND_BBT_PERCHIP, |
| 333 | .offs = 2, |
| 334 | .len = 4, |
| 335 | .veroffs = 16, |
| 336 | .maxblocks = 4, |
| 337 | .pattern = da830_evm_nand_bbt_pattern |
| 338 | }; |
| 339 | |
| 340 | static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = { |
| 341 | .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | |
| 342 | NAND_BBT_WRITE | NAND_BBT_2BIT | |
| 343 | NAND_BBT_VERSION | NAND_BBT_PERCHIP, |
| 344 | .offs = 2, |
| 345 | .len = 4, |
| 346 | .veroffs = 16, |
| 347 | .maxblocks = 4, |
| 348 | .pattern = da830_evm_nand_mirror_pattern |
| 349 | }; |
| 350 | |
| 351 | static struct davinci_nand_pdata da830_evm_nand_pdata = { |
| 352 | .parts = da830_evm_nand_partitions, |
| 353 | .nr_parts = ARRAY_SIZE(da830_evm_nand_partitions), |
| 354 | .ecc_mode = NAND_ECC_HW, |
| 355 | .ecc_bits = 4, |
| 356 | .options = NAND_USE_FLASH_BBT, |
| 357 | .bbt_td = &da830_evm_nand_bbt_main_descr, |
| 358 | .bbt_md = &da830_evm_nand_bbt_mirror_descr, |
| 359 | }; |
| 360 | |
| 361 | static struct resource da830_evm_nand_resources[] = { |
| 362 | [0] = { /* First memory resource is NAND I/O window */ |
| 363 | .start = DA830_EMIF25_ASYNC_DATA_CE3_BASE, |
| 364 | .end = DA830_EMIF25_ASYNC_DATA_CE3_BASE + PAGE_SIZE - 1, |
| 365 | .flags = IORESOURCE_MEM, |
| 366 | }, |
| 367 | [1] = { /* Second memory resource is AEMIF control registers */ |
| 368 | .start = DA830_EMIF25_CONTROL_BASE, |
| 369 | .end = DA830_EMIF25_CONTROL_BASE + SZ_32K - 1, |
| 370 | .flags = IORESOURCE_MEM, |
| 371 | }, |
| 372 | }; |
| 373 | |
| 374 | static struct platform_device da830_evm_nand_device = { |
| 375 | .name = "davinci_nand", |
| 376 | .id = 1, |
| 377 | .dev = { |
| 378 | .platform_data = &da830_evm_nand_pdata, |
| 379 | }, |
| 380 | .num_resources = ARRAY_SIZE(da830_evm_nand_resources), |
| 381 | .resource = da830_evm_nand_resources, |
| 382 | }; |
Sekhar Nori | a0433ac | 2009-10-09 20:55:43 +0530 | [diff] [blame] | 383 | |
Sekhar Nori | 77316f0 | 2009-10-21 21:18:20 +0530 | [diff] [blame] | 384 | static inline void da830_evm_init_nand(int mux_mode) |
Sekhar Nori | a0433ac | 2009-10-09 20:55:43 +0530 | [diff] [blame] | 385 | { |
| 386 | int ret; |
| 387 | |
Sekhar Nori | b5ebe4e | 2009-10-21 21:18:21 +0530 | [diff] [blame] | 388 | if (HAS_MMC) { |
| 389 | pr_warning("WARNING: both MMC/SD and NAND are " |
| 390 | "enabled, but they share AEMIF pins.\n" |
| 391 | "\tDisable MMC/SD for NAND support.\n"); |
| 392 | return; |
| 393 | } |
| 394 | |
Sekhar Nori | a0433ac | 2009-10-09 20:55:43 +0530 | [diff] [blame] | 395 | ret = da8xx_pinmux_setup(da830_evm_emif25_pins); |
| 396 | if (ret) |
| 397 | pr_warning("da830_evm_init: emif25 mux setup failed: %d\n", |
| 398 | ret); |
| 399 | |
| 400 | ret = platform_device_register(&da830_evm_nand_device); |
| 401 | if (ret) |
| 402 | pr_warning("da830_evm_init: NAND device not registered.\n"); |
Sekhar Nori | 77316f0 | 2009-10-21 21:18:20 +0530 | [diff] [blame] | 403 | |
| 404 | gpio_direction_output(mux_mode, 1); |
Sekhar Nori | a0433ac | 2009-10-09 20:55:43 +0530 | [diff] [blame] | 405 | } |
| 406 | #else |
Sekhar Nori | 77316f0 | 2009-10-21 21:18:20 +0530 | [diff] [blame] | 407 | static inline void da830_evm_init_nand(int mux_mode) { } |
David A. Griego | 733975a | 2009-09-18 14:15:18 -0700 | [diff] [blame] | 408 | #endif |
| 409 | |
Sekhar Nori | a0433ac | 2009-10-09 20:55:43 +0530 | [diff] [blame] | 410 | #ifdef CONFIG_DA830_UI_LCD |
Sekhar Nori | 77316f0 | 2009-10-21 21:18:20 +0530 | [diff] [blame] | 411 | static inline void da830_evm_init_lcdc(int mux_mode) |
Sekhar Nori | a0433ac | 2009-10-09 20:55:43 +0530 | [diff] [blame] | 412 | { |
| 413 | int ret; |
| 414 | |
| 415 | ret = da8xx_pinmux_setup(da830_lcdcntl_pins); |
| 416 | if (ret) |
| 417 | pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n", |
| 418 | ret); |
| 419 | |
| 420 | ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata); |
| 421 | if (ret) |
| 422 | pr_warning("da830_evm_init: lcd setup failed: %d\n", ret); |
Sekhar Nori | 77316f0 | 2009-10-21 21:18:20 +0530 | [diff] [blame] | 423 | |
| 424 | gpio_direction_output(mux_mode, 0); |
Sekhar Nori | a0433ac | 2009-10-09 20:55:43 +0530 | [diff] [blame] | 425 | } |
| 426 | #else |
Sekhar Nori | 77316f0 | 2009-10-21 21:18:20 +0530 | [diff] [blame] | 427 | static inline void da830_evm_init_lcdc(int mux_mode) { } |
Sekhar Nori | a0433ac | 2009-10-09 20:55:43 +0530 | [diff] [blame] | 428 | #endif |
David A. Griego | 733975a | 2009-09-18 14:15:18 -0700 | [diff] [blame] | 429 | |
Sekhar Nori | 77316f0 | 2009-10-21 21:18:20 +0530 | [diff] [blame] | 430 | static struct at24_platform_data da830_evm_i2c_eeprom_info = { |
| 431 | .byte_len = SZ_256K / 8, |
| 432 | .page_size = 64, |
| 433 | .flags = AT24_FLAG_ADDR16, |
| 434 | .setup = davinci_get_mac_addr, |
| 435 | .context = (void *)0x7f00, |
| 436 | }; |
| 437 | |
Sudhakar Rajashekhara | 1ef203c | 2009-11-03 11:51:19 +0530 | [diff] [blame] | 438 | static int __init da830_evm_ui_expander_setup(struct i2c_client *client, |
| 439 | int gpio, unsigned ngpio, void *context) |
Sekhar Nori | 77316f0 | 2009-10-21 21:18:20 +0530 | [diff] [blame] | 440 | { |
| 441 | gpio_request(gpio + 6, "UI MUX_MODE"); |
| 442 | |
Sekhar Nori | b5ebe4e | 2009-10-21 21:18:21 +0530 | [diff] [blame] | 443 | /* Drive mux mode low to match the default without UI card */ |
| 444 | gpio_direction_output(gpio + 6, 0); |
| 445 | |
Sekhar Nori | 77316f0 | 2009-10-21 21:18:20 +0530 | [diff] [blame] | 446 | da830_evm_init_lcdc(gpio + 6); |
| 447 | |
| 448 | da830_evm_init_nand(gpio + 6); |
| 449 | |
| 450 | return 0; |
| 451 | } |
| 452 | |
| 453 | static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio, |
| 454 | unsigned ngpio, void *context) |
| 455 | { |
| 456 | gpio_free(gpio + 6); |
| 457 | return 0; |
| 458 | } |
| 459 | |
Sudhakar Rajashekhara | 1ef203c | 2009-11-03 11:51:19 +0530 | [diff] [blame] | 460 | static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = { |
Sekhar Nori | 77316f0 | 2009-10-21 21:18:20 +0530 | [diff] [blame] | 461 | .gpio_base = DAVINCI_N_GPIO, |
| 462 | .setup = da830_evm_ui_expander_setup, |
| 463 | .teardown = da830_evm_ui_expander_teardown, |
| 464 | }; |
| 465 | |
| 466 | static struct i2c_board_info __initdata da830_evm_i2c_devices[] = { |
| 467 | { |
| 468 | I2C_BOARD_INFO("24c256", 0x50), |
| 469 | .platform_data = &da830_evm_i2c_eeprom_info, |
| 470 | }, |
| 471 | { |
| 472 | I2C_BOARD_INFO("tlv320aic3x", 0x18), |
| 473 | }, |
| 474 | { |
| 475 | I2C_BOARD_INFO("pcf8574", 0x3f), |
| 476 | .platform_data = &da830_evm_ui_expander_info, |
| 477 | }, |
| 478 | }; |
| 479 | |
| 480 | static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = { |
| 481 | .bus_freq = 100, /* kHz */ |
| 482 | .bus_delay = 0, /* usec */ |
| 483 | }; |
| 484 | |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 485 | static __init void da830_evm_init(void) |
| 486 | { |
| 487 | struct davinci_soc_info *soc_info = &davinci_soc_info; |
| 488 | int ret; |
| 489 | |
| 490 | ret = da8xx_register_edma(); |
| 491 | if (ret) |
| 492 | pr_warning("da830_evm_init: edma registration failed: %d\n", |
| 493 | ret); |
| 494 | |
Sudhakar Rajashekhara | c96b56c | 2009-07-16 05:45:32 -0400 | [diff] [blame] | 495 | ret = da8xx_pinmux_setup(da830_i2c0_pins); |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 496 | if (ret) |
| 497 | pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n", |
| 498 | ret); |
| 499 | |
| 500 | ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata); |
| 501 | if (ret) |
| 502 | pr_warning("da830_evm_init: i2c0 registration failed: %d\n", |
| 503 | ret); |
| 504 | |
Sergei Shtylyov | 0e9a3dd | 2009-09-25 23:28:13 +0400 | [diff] [blame] | 505 | da830_evm_usb_init(); |
| 506 | |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 507 | soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK; |
| 508 | soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY; |
| 509 | soc_info->emac_pdata->rmii_en = 1; |
| 510 | |
Sudhakar Rajashekhara | c96b56c | 2009-07-16 05:45:32 -0400 | [diff] [blame] | 511 | ret = da8xx_pinmux_setup(da830_cpgmac_pins); |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 512 | if (ret) |
| 513 | pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n", |
| 514 | ret); |
| 515 | |
| 516 | ret = da8xx_register_emac(); |
| 517 | if (ret) |
| 518 | pr_warning("da830_evm_init: emac registration failed: %d\n", |
| 519 | ret); |
| 520 | |
| 521 | ret = da8xx_register_watchdog(); |
| 522 | if (ret) |
| 523 | pr_warning("da830_evm_init: watchdog registration failed: %d\n", |
| 524 | ret); |
| 525 | |
| 526 | davinci_serial_init(&da830_evm_uart_config); |
| 527 | i2c_register_board_info(1, da830_evm_i2c_devices, |
| 528 | ARRAY_SIZE(da830_evm_i2c_devices)); |
Chaithrika U S | e33ef5e | 2009-08-11 17:01:59 -0400 | [diff] [blame] | 529 | |
Mark A. Greer | 32bf078 | 2009-08-28 15:05:21 -0700 | [diff] [blame] | 530 | ret = da8xx_pinmux_setup(da830_evm_mcasp1_pins); |
Chaithrika U S | e33ef5e | 2009-08-11 17:01:59 -0400 | [diff] [blame] | 531 | if (ret) |
| 532 | pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n", |
| 533 | ret); |
| 534 | |
Mark A. Greer | b8864aa | 2009-08-28 15:05:02 -0700 | [diff] [blame] | 535 | da8xx_register_mcasp(1, &da830_evm_snd_data); |
David A. Griego | 2eb30c8 | 2009-09-15 18:10:20 -0700 | [diff] [blame] | 536 | |
| 537 | da830_evm_init_mmc(); |
Steve Chen | 13e1f04 | 2009-09-15 18:15:06 -0700 | [diff] [blame] | 538 | |
Mark A. Greer | c51df70 | 2009-09-15 18:15:54 -0700 | [diff] [blame] | 539 | ret = da8xx_register_rtc(); |
| 540 | if (ret) |
| 541 | pr_warning("da830_evm_init: rtc setup failed: %d\n", ret); |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 542 | } |
| 543 | |
| 544 | #ifdef CONFIG_SERIAL_8250_CONSOLE |
| 545 | static int __init da830_evm_console_init(void) |
| 546 | { |
| 547 | return add_preferred_console("ttyS", 2, "115200"); |
| 548 | } |
| 549 | console_initcall(da830_evm_console_init); |
| 550 | #endif |
| 551 | |
| 552 | static __init void da830_evm_irq_init(void) |
| 553 | { |
| 554 | struct davinci_soc_info *soc_info = &davinci_soc_info; |
| 555 | |
| 556 | cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA830_N_CP_INTC_IRQ, |
| 557 | soc_info->intc_irq_prios); |
| 558 | } |
| 559 | |
| 560 | static void __init da830_evm_map_io(void) |
| 561 | { |
| 562 | da830_init(); |
| 563 | } |
| 564 | |
Kevin Hilman | 6af6564 | 2009-09-29 11:49:46 -0700 | [diff] [blame] | 565 | MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137 EVM") |
Mark A. Greer | 8593790 | 2009-06-03 18:41:53 -0700 | [diff] [blame] | 566 | .phys_io = IO_PHYS, |
| 567 | .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, |
| 568 | .boot_params = (DA8XX_DDR_BASE + 0x100), |
| 569 | .map_io = da830_evm_map_io, |
| 570 | .init_irq = da830_evm_irq_init, |
| 571 | .timer = &davinci_timer, |
| 572 | .init_machine = da830_evm_init, |
| 573 | MACHINE_END |