diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-am3517crane.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-am3517crane.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c new file mode 100644 index 00000000000..71acb5ab281 --- /dev/null +++ b/arch/arm/mach-omap2/board-am3517crane.c | |||
| @@ -0,0 +1,116 @@ | |||
| 1 | /* | ||
| 2 | * Support for AM3517/05 Craneboard | ||
| 3 | * http://www.mistralsolutions.com/products/craneboard.php | ||
| 4 | * | ||
| 5 | * Copyright (C) 2010 Mistral Solutions Pvt Ltd. <www.mistralsolutions.com> | ||
| 6 | * Author: R.Srinath <srinath@mistralsolutions.com> | ||
| 7 | * | ||
| 8 | * Based on mach-omap2/board-am3517evm.c | ||
| 9 | * | ||
| 10 | * This program is free software; you can redistribute it and/or modify it | ||
| 11 | * under the terms of the GNU General Public License as published by the | ||
| 12 | * Free Software Foundation version 2. | ||
| 13 | * | ||
| 14 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, | ||
| 15 | * whether express or implied; without even the implied warranty of | ||
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 17 | * General Public License for more details. | ||
| 18 | */ | ||
| 19 | |||
| 20 | #include <linux/kernel.h> | ||
| 21 | #include <linux/init.h> | ||
| 22 | #include <linux/gpio.h> | ||
| 23 | |||
| 24 | #include <mach/hardware.h> | ||
| 25 | #include <asm/mach-types.h> | ||
| 26 | #include <asm/mach/arch.h> | ||
| 27 | #include <asm/mach/map.h> | ||
| 28 | |||
| 29 | #include <plat/board.h> | ||
| 30 | #include <plat/common.h> | ||
| 31 | #include <plat/usb.h> | ||
| 32 | |||
| 33 | #include "mux.h" | ||
| 34 | #include "control.h" | ||
| 35 | |||
| 36 | #define GPIO_USB_POWER 35 | ||
| 37 | #define GPIO_USB_NRESET 38 | ||
| 38 | |||
| 39 | |||
| 40 | /* Board initialization */ | ||
| 41 | static struct omap_board_config_kernel am3517_crane_config[] __initdata = { | ||
| 42 | }; | ||
| 43 | |||
| 44 | #ifdef CONFIG_OMAP_MUX | ||
| 45 | static struct omap_board_mux board_mux[] __initdata = { | ||
| 46 | { .reg_offset = OMAP_MUX_TERMINATOR }, | ||
| 47 | }; | ||
| 48 | #else | ||
| 49 | #define board_mux NULL | ||
| 50 | #endif | ||
| 51 | |||
| 52 | static void __init am3517_crane_init_irq(void) | ||
| 53 | { | ||
| 54 | omap_board_config = am3517_crane_config; | ||
| 55 | omap_board_config_size = ARRAY_SIZE(am3517_crane_config); | ||
| 56 | |||
| 57 | omap2_init_common_infrastructure(); | ||
| 58 | omap2_init_common_devices(NULL, NULL); | ||
| 59 | omap_init_irq(); | ||
| 60 | } | ||
| 61 | |||
| 62 | static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = { | ||
| 63 | .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, | ||
| 64 | .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, | ||
| 65 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, | ||
| 66 | |||
| 67 | .phy_reset = true, | ||
| 68 | .reset_gpio_port[0] = GPIO_USB_NRESET, | ||
| 69 | .reset_gpio_port[1] = -EINVAL, | ||
| 70 | .reset_gpio_port[2] = -EINVAL | ||
| 71 | }; | ||
| 72 | |||
| 73 | static void __init am3517_crane_init(void) | ||
| 74 | { | ||
| 75 | int ret; | ||
| 76 | |||
| 77 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); | ||
| 78 | omap_serial_init(); | ||
| 79 | |||
| 80 | /* Configure GPIO for EHCI port */ | ||
| 81 | if (omap_mux_init_gpio(GPIO_USB_NRESET, OMAP_PIN_OUTPUT)) { | ||
| 82 | pr_err("Can not configure mux for GPIO_USB_NRESET %d\n", | ||
| 83 | GPIO_USB_NRESET); | ||
| 84 | return; | ||
| 85 | } | ||
| 86 | |||
| 87 | if (omap_mux_init_gpio(GPIO_USB_POWER, OMAP_PIN_OUTPUT)) { | ||
| 88 | pr_err("Can not configure mux for GPIO_USB_POWER %d\n", | ||
| 89 | GPIO_USB_POWER); | ||
| 90 | return; | ||
| 91 | } | ||
| 92 | |||
| 93 | ret = gpio_request(GPIO_USB_POWER, "usb_ehci_enable"); | ||
| 94 | if (ret < 0) { | ||
| 95 | pr_err("Can not request GPIO %d\n", GPIO_USB_POWER); | ||
| 96 | return; | ||
| 97 | } | ||
| 98 | |||
| 99 | ret = gpio_direction_output(GPIO_USB_POWER, 1); | ||
| 100 | if (ret < 0) { | ||
| 101 | gpio_free(GPIO_USB_POWER); | ||
| 102 | pr_err("Unable to initialize EHCI power\n"); | ||
| 103 | return; | ||
| 104 | } | ||
| 105 | |||
| 106 | usb_ehci_init(&ehci_pdata); | ||
| 107 | } | ||
| 108 | |||
| 109 | MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD") | ||
| 110 | .boot_params = 0x80000100, | ||
| 111 | .map_io = omap3_map_io, | ||
| 112 | .reserve = omap_reserve, | ||
| 113 | .init_irq = am3517_crane_init_irq, | ||
| 114 | .init_machine = am3517_crane_init, | ||
| 115 | .timer = &omap_timer, | ||
| 116 | MACHINE_END | ||
