diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 20:55:21 -0400 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 20:55:21 -0400 |
| commit | bbb20089a3275a19e475dbc21320c3742e3ca423 (patch) | |
| tree | 216fdc1cbef450ca688135c5b8969169482d9a48 /arch/arm/mach-omap2/board-zoom-debugboard.c | |
| parent | 3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff) | |
| parent | 657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff) | |
Merge branch 'dmaengine' into async-tx-next
Conflicts:
crypto/async_tx/async_xor.c
drivers/dma/ioat/dma_v2.h
drivers/dma/ioat/pci.c
drivers/md/raid5.c
Diffstat (limited to 'arch/arm/mach-omap2/board-zoom-debugboard.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-zoom-debugboard.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-debugboard.c new file mode 100644 index 000000000000..bac5c4321ff7 --- /dev/null +++ b/arch/arm/mach-omap2/board-zoom-debugboard.c | |||
| @@ -0,0 +1,160 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2009 Texas Instruments Inc. | ||
| 3 | * Mikkel Christensen <mlc@ti.com> | ||
| 4 | * | ||
| 5 | * This program is free software; you can redistribute it and/or modify | ||
| 6 | * it under the terms of the GNU General Public License version 2 as | ||
| 7 | * published by the Free Software Foundation. | ||
| 8 | */ | ||
| 9 | |||
| 10 | #include <linux/kernel.h> | ||
| 11 | #include <linux/init.h> | ||
| 12 | #include <linux/gpio.h> | ||
| 13 | #include <linux/serial_8250.h> | ||
| 14 | #include <linux/smsc911x.h> | ||
| 15 | |||
| 16 | #include <mach/gpmc.h> | ||
| 17 | |||
| 18 | #define ZOOM2_SMSC911X_CS 7 | ||
| 19 | #define ZOOM2_SMSC911X_GPIO 158 | ||
| 20 | #define ZOOM2_QUADUART_CS 3 | ||
| 21 | #define ZOOM2_QUADUART_GPIO 102 | ||
| 22 | #define QUART_CLK 1843200 | ||
| 23 | #define DEBUG_BASE 0x08000000 | ||
| 24 | #define ZOOM2_ETHR_START DEBUG_BASE | ||
| 25 | |||
| 26 | static struct resource zoom2_smsc911x_resources[] = { | ||
| 27 | [0] = { | ||
| 28 | .start = ZOOM2_ETHR_START, | ||
| 29 | .end = ZOOM2_ETHR_START + SZ_4K, | ||
| 30 | .flags = IORESOURCE_MEM, | ||
| 31 | }, | ||
| 32 | [1] = { | ||
| 33 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, | ||
| 34 | }, | ||
| 35 | }; | ||
| 36 | |||
| 37 | static struct smsc911x_platform_config zoom2_smsc911x_config = { | ||
| 38 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | ||
| 39 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, | ||
| 40 | .flags = SMSC911X_USE_32BIT, | ||
| 41 | .phy_interface = PHY_INTERFACE_MODE_MII, | ||
| 42 | }; | ||
| 43 | |||
| 44 | static struct platform_device zoom2_smsc911x_device = { | ||
| 45 | .name = "smsc911x", | ||
| 46 | .id = -1, | ||
| 47 | .num_resources = ARRAY_SIZE(zoom2_smsc911x_resources), | ||
| 48 | .resource = zoom2_smsc911x_resources, | ||
| 49 | .dev = { | ||
| 50 | .platform_data = &zoom2_smsc911x_config, | ||
| 51 | }, | ||
| 52 | }; | ||
| 53 | |||
| 54 | static inline void __init zoom2_init_smsc911x(void) | ||
| 55 | { | ||
| 56 | int eth_cs; | ||
| 57 | unsigned long cs_mem_base; | ||
| 58 | int eth_gpio = 0; | ||
| 59 | |||
| 60 | eth_cs = ZOOM2_SMSC911X_CS; | ||
| 61 | |||
| 62 | if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) { | ||
| 63 | printk(KERN_ERR "Failed to request GPMC mem for smsc911x\n"); | ||
| 64 | return; | ||
| 65 | } | ||
| 66 | |||
| 67 | zoom2_smsc911x_resources[0].start = cs_mem_base + 0x0; | ||
| 68 | zoom2_smsc911x_resources[0].end = cs_mem_base + 0xff; | ||
| 69 | |||
| 70 | eth_gpio = ZOOM2_SMSC911X_GPIO; | ||
| 71 | |||
| 72 | zoom2_smsc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio); | ||
| 73 | |||
| 74 | if (gpio_request(eth_gpio, "smsc911x irq") < 0) { | ||
| 75 | printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n", | ||
| 76 | eth_gpio); | ||
| 77 | return; | ||
| 78 | } | ||
| 79 | gpio_direction_input(eth_gpio); | ||
| 80 | } | ||
| 81 | |||
| 82 | static struct plat_serial8250_port serial_platform_data[] = { | ||
| 83 | { | ||
| 84 | .mapbase = 0x10000000, | ||
| 85 | .irq = OMAP_GPIO_IRQ(102), | ||
| 86 | .flags = UPF_BOOT_AUTOCONF|UPF_IOREMAP|UPF_SHARE_IRQ, | ||
| 87 | .iotype = UPIO_MEM, | ||
| 88 | .regshift = 1, | ||
| 89 | .uartclk = QUART_CLK, | ||
| 90 | }, { | ||
| 91 | .flags = 0 | ||
| 92 | } | ||
| 93 | }; | ||
| 94 | |||
| 95 | static struct platform_device zoom2_debugboard_serial_device = { | ||
| 96 | .name = "serial8250", | ||
| 97 | .id = PLAT8250_DEV_PLATFORM1, | ||
| 98 | .dev = { | ||
| 99 | .platform_data = serial_platform_data, | ||
| 100 | }, | ||
| 101 | }; | ||
| 102 | |||
| 103 | static inline void __init zoom2_init_quaduart(void) | ||
| 104 | { | ||
| 105 | int quart_cs; | ||
| 106 | unsigned long cs_mem_base; | ||
| 107 | int quart_gpio = 0; | ||
| 108 | |||
| 109 | quart_cs = ZOOM2_QUADUART_CS; | ||
| 110 | |||
| 111 | if (gpmc_cs_request(quart_cs, SZ_1M, &cs_mem_base) < 0) { | ||
| 112 | printk(KERN_ERR "Failed to request GPMC mem" | ||
| 113 | "for Quad UART(TL16CP754C)\n"); | ||
| 114 | return; | ||
| 115 | } | ||
| 116 | |||
| 117 | quart_gpio = ZOOM2_QUADUART_GPIO; | ||
| 118 | |||
| 119 | if (gpio_request(quart_gpio, "TL16CP754C GPIO") < 0) { | ||
| 120 | printk(KERN_ERR "Failed to request GPIO%d for TL16CP754C\n", | ||
| 121 | quart_gpio); | ||
| 122 | return; | ||
| 123 | } | ||
| 124 | gpio_direction_input(quart_gpio); | ||
| 125 | } | ||
| 126 | |||
| 127 | static inline int omap_zoom2_debugboard_detect(void) | ||
| 128 | { | ||
| 129 | int debug_board_detect = 0; | ||
| 130 | |||
| 131 | debug_board_detect = ZOOM2_SMSC911X_GPIO; | ||
| 132 | |||
| 133 | if (gpio_request(debug_board_detect, "Zoom2 debug board detect") < 0) { | ||
| 134 | printk(KERN_ERR "Failed to request GPIO%d for Zoom2 debug" | ||
| 135 | "board detect\n", debug_board_detect); | ||
| 136 | return 0; | ||
| 137 | } | ||
| 138 | gpio_direction_input(debug_board_detect); | ||
| 139 | |||
| 140 | if (!gpio_get_value(debug_board_detect)) { | ||
| 141 | gpio_free(debug_board_detect); | ||
| 142 | return 0; | ||
| 143 | } | ||
| 144 | return 1; | ||
| 145 | } | ||
| 146 | |||
| 147 | static struct platform_device *zoom2_devices[] __initdata = { | ||
| 148 | &zoom2_smsc911x_device, | ||
| 149 | &zoom2_debugboard_serial_device, | ||
| 150 | }; | ||
| 151 | |||
| 152 | int __init omap_zoom2_debugboard_init(void) | ||
| 153 | { | ||
| 154 | if (!omap_zoom2_debugboard_detect()) | ||
| 155 | return 0; | ||
| 156 | |||
| 157 | zoom2_init_smsc911x(); | ||
| 158 | zoom2_init_quaduart(); | ||
| 159 | return platform_add_devices(zoom2_devices, ARRAY_SIZE(zoom2_devices)); | ||
| 160 | } | ||
