]> git.karo-electronics.de Git - mv-sheeva.git/blobdiff - arch/arm/mach-omap2/board-am3517crane.c
Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[mv-sheeva.git] / arch / arm / mach-omap2 / board-am3517crane.c
diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c
new file mode 100644 (file)
index 0000000..71acb5a
--- /dev/null
@@ -0,0 +1,116 @@
+/*
+ * Support for AM3517/05 Craneboard
+ * http://www.mistralsolutions.com/products/craneboard.php
+ *
+ * Copyright (C) 2010 Mistral Solutions Pvt Ltd. <www.mistralsolutions.com>
+ * Author: R.Srinath <srinath@mistralsolutions.com>
+ *
+ * Based on mach-omap2/board-am3517evm.c
+ *
+ * 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 version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
+ * whether express or implied; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/gpio.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <plat/board.h>
+#include <plat/common.h>
+#include <plat/usb.h>
+
+#include "mux.h"
+#include "control.h"
+
+#define GPIO_USB_POWER         35
+#define GPIO_USB_NRESET                38
+
+
+/* Board initialization */
+static struct omap_board_config_kernel am3517_crane_config[] __initdata = {
+};
+
+#ifdef CONFIG_OMAP_MUX
+static struct omap_board_mux board_mux[] __initdata = {
+       { .reg_offset = OMAP_MUX_TERMINATOR },
+};
+#else
+#define board_mux      NULL
+#endif
+
+static void __init am3517_crane_init_irq(void)
+{
+       omap_board_config = am3517_crane_config;
+       omap_board_config_size = ARRAY_SIZE(am3517_crane_config);
+
+       omap2_init_common_infrastructure();
+       omap2_init_common_devices(NULL, NULL);
+       omap_init_irq();
+}
+
+static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
+       .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
+       .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+       .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+
+       .phy_reset  = true,
+       .reset_gpio_port[0]  = GPIO_USB_NRESET,
+       .reset_gpio_port[1]  = -EINVAL,
+       .reset_gpio_port[2]  = -EINVAL
+};
+
+static void __init am3517_crane_init(void)
+{
+       int ret;
+
+       omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
+       omap_serial_init();
+
+       /* Configure GPIO for EHCI port */
+       if (omap_mux_init_gpio(GPIO_USB_NRESET, OMAP_PIN_OUTPUT)) {
+               pr_err("Can not configure mux for GPIO_USB_NRESET %d\n",
+                       GPIO_USB_NRESET);
+               return;
+       }
+
+       if (omap_mux_init_gpio(GPIO_USB_POWER, OMAP_PIN_OUTPUT)) {
+               pr_err("Can not configure mux for GPIO_USB_POWER %d\n",
+                       GPIO_USB_POWER);
+               return;
+       }
+
+       ret = gpio_request(GPIO_USB_POWER, "usb_ehci_enable");
+       if (ret < 0) {
+               pr_err("Can not request GPIO %d\n", GPIO_USB_POWER);
+               return;
+       }
+
+       ret = gpio_direction_output(GPIO_USB_POWER, 1);
+       if (ret < 0) {
+               gpio_free(GPIO_USB_POWER);
+               pr_err("Unable to initialize EHCI power\n");
+               return;
+       }
+
+       usb_ehci_init(&ehci_pdata);
+}
+
+MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")
+       .boot_params    = 0x80000100,
+       .map_io         = omap3_map_io,
+       .reserve        = omap_reserve,
+       .init_irq       = am3517_crane_init_irq,
+       .init_machine   = am3517_crane_init,
+       .timer          = &omap_timer,
+MACHINE_END