/* * linux/arch/arm/mach-omap1/board-osk.c * * Board specific init for OMAP5912 OSK * * Written by Dirk Behme * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "common.h" /* At OMAP5912 OSK the Ethernet is directly connected to CS1 */ #define OMAP_OSK_ETHR_START 0x04800300 /* TPS65010 has four GPIOs. nPG and LED2 can be treated like GPIOs with * alternate pin configurations for hardware-controlled blinking. */ #define OSK_TPS_GPIO_BASE (OMAP_MAX_GPIO_LINES + 16 /* MPUIO */) # define OSK_TPS_GPIO_USB_PWR_EN (OSK_TPS_GPIO_BASE + 0) # define OSK_TPS_GPIO_LED_D3 (OSK_TPS_GPIO_BASE + 1) # define OSK_TPS_GPIO_LAN_RESET (OSK_TPS_GPIO_BASE + 2) # define OSK_TPS_GPIO_DSP_PWR_EN (OSK_TPS_GPIO_BASE + 3) # define OSK_TPS_GPIO_LED_D9 (OSK_TPS_GPIO_BASE + 4) # define OSK_TPS_GPIO_LED_D2 (OSK_TPS_GPIO_BASE + 5) static struct mtd_partition osk_partitions[] = { /* bootloader (U-Boot, etc) in first sector */ { .name = "bootloader", .offset = 0, .size = SZ_128K, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, /* bootloader params in the next sector */ { .name = "params", .offset = MTDPART_OFS_APPEND, .size = SZ_128K, .mask_flags = 0, }, { .name = "kernel", .offset = MTDPART_OFS_APPEND, .size = SZ_2M, .mask_flags = 0 }, { .name = "filesystem", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, .mask_flags = 0 } }; static struct physmap_flash_data osk_flash_data = { .width = 2, .set_vpp = omap1_set_vpp, .parts = osk_partitions, .nr_parts = ARRAY_SIZE(osk_partitions), }; static struct resource osk_flash_resource = { /* this is on CS3, wherever it's mapped */ .flags = IORESOURCE_MEM, }; static struct platform_device osk5912_flash_device = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &osk_flash_data, }, .num_resources = 1, .resource = &osk_flash_resource, }; static struct smc91x_platdata osk5912_smc91x_info = { .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, .leda = RPC_LED_100_10, .ledb = RPC_LED_TX_RX, }; static struct resource osk5912_smc91x_resources[] = { [0] = { .start = OMAP_OSK_ETHR_START, /* Physical */ .end = OMAP_OSK_ETHR_START + 0xf, .flags = IORESOURCE_MEM, }, [1] = { .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, }, }; static struct platform_device osk5912_smc91x_device = { .name = "smc91x", .id = -1, .dev = { .platform_data = &osk5912_smc91x_info, }, .num_resources = ARRAY_SIZE(osk5912_smc91x_resources), .resource = osk5912_smc91x_resources, }; static struct resource osk5912_cf_resources[] = { [0] = { .flags = IORESOURCE_IRQ, }, }; static struct platform_device osk5912_cf_device = { .name = "omap_cf", .id = -1, .dev = { .platform_data = (void *) 2 /* CS2 */, }, .num_resources = ARRAY_SIZE(osk5912_cf_resources), .resource = osk5912_cf_resources, }; static struct platform_device *osk5912_devices[] __initdata = { &osk5912_flash_device, &osk5912_smc91x_device, &osk5912_cf_device, }; static struct gpio_led tps_leds[] = { /* NOTE: D9 and D2 have hardware blink support. * Also, D9 requires non-battery power. */ { .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9", .default_trigger = "ide-disk", }, { .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", }, { .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1, .default_trigger = "heartbeat", }, }; static struct gpio_led_platform_data tps_leds_data = { .num_leds = 3, .leds = tps_leds, }; static struct platform_device osk5912_tps_leds = { .name = "leds-gpio", .id = 0, .dev.platform_data = &tps_leds_data, }; static int osk_tps_setup(struct i2c_client *client, void *context) { /* Set GPIO 1 HIGH to disable VBUS power supply; * OHCI driver powers it up/down as needed. */ gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en"); gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1); /* Set GPIO 2 high so LED D3 is off by default */ tps65010_set_gpio_out_value(GPIO2, HIGH); /* Set GPIO 3 low to take ethernet out of reset */ gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset"); gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0); /* GPIO4 is VDD_DSP */ gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power"); gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1); /* REVISIT if DSP support isn't configured, power it off ... */ /* Let LED1 (D9) blink; leds-gpio may override it */ tps65010_set_led(LED1, BLINK); /* Set LED2 off by default */ tps65010_set_led(LED2, OFF); /* Enable LOW_PWR handshake */ tps65010_set_low_pwr(ON); /* Switch VLDO2 to 3.0V for AIC23 */ tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V