projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 8a453cac PM |
1 | /* |
| 2 | * ALPHAPROJECT AP-SH4AD-0A Support. | |
| 3 | * | |
| 4 | * Copyright (C) 2010 ALPHAPROJECT Co.,Ltd. | |
| 5 | * Copyright (C) 2010 Matt Fleming | |
| 6 | * Copyright (C) 2010 Paul Mundt | |
| 7 | * | |
| 8 | * This file is subject to the terms and conditions of the GNU General Public | |
| 9 | * License. See the file "COPYING" in the main directory of this archive | |
| 10 | * for more details. | |
| 11 | */ | |
| 12 | #include <linux/init.h> | |
| 13 | #include <linux/platform_device.h> | |
| 14 | #include <linux/io.h> | |
| 15 | #include <linux/smsc911x.h> | |
| 16 | #include <linux/irq.h> | |
| 17 | #include <linux/clk.h> | |
| 18 | #include <asm/machvec.h> | |
| 19 | #include <asm/sizes.h> | |
| 20 | ||
| 21 | static struct resource smsc911x_resources[] = { | |
| 22 | [0] = { | |
| 23 | .name = "smsc911x-memory", | |
| 24 | .start = 0xA4000000, | |
| 25 | .end = 0xA4000000 + SZ_256 - 1, | |
| 26 | .flags = IORESOURCE_MEM, | |
| 27 | }, | |
| 28 | [1] = { | |
| 29 | .name = "smsc911x-irq", | |
| 30 | .start = evt2irq(0x200), | |
| 31 | .end = evt2irq(0x200), | |
| 32 | .flags = IORESOURCE_IRQ, | |
| 33 | }, | |
| 34 | }; | |
| 35 | ||
| 36 | static struct smsc911x_platform_config smsc911x_config = { | |
| 37 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
| 38 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, | |
| 39 | .flags = SMSC911X_USE_16BIT, | |
| 40 | .phy_interface = PHY_INTERFACE_MODE_MII, | |
| 41 | }; | |
| 42 | ||
| 43 | static struct platform_device smsc911x_device = { | |
| 44 | .name = "smsc911x", | |
| 45 | .id = -1, | |
| 46 | .num_resources = ARRAY_SIZE(smsc911x_resources), | |
| 47 | .resource = smsc911x_resources, | |
| 48 | .dev = { | |
| 49 | .platform_data = &smsc911x_config, | |
| 50 | }, | |
| 51 | }; | |
| 52 | ||
| 53 | static struct platform_device *apsh4ad0a_devices[] __initdata = { | |
| 54 | &smsc911x_device, | |
| 55 | }; | |
| 56 | ||
| 57 | static int __init apsh4ad0a_devices_setup(void) | |
| 58 | { | |
| 59 | return platform_add_devices(apsh4ad0a_devices, | |
| 60 | ARRAY_SIZE(apsh4ad0a_devices)); | |
| 61 | } | |
| 62 | device_initcall(apsh4ad0a_devices_setup); | |
| 63 | ||
| 64 | static int apsh4ad0a_mode_pins(void) | |
| 65 | { | |
| 66 | int value = 0; | |
| 67 | ||
| 68 | /* These are the factory default settings of SW1 and SW2. | |
| 69 | * If you change these dip switches then you will need to | |
| 70 | * adjust the values below as well. | |
| 71 | */ | |
| 72 | value |= MODE_PIN0; /* Clock Mode 3 */ | |
| 73 | value |= MODE_PIN1; | |
| 74 | value &= ~MODE_PIN2; | |
| 75 | value &= ~MODE_PIN3; | |
| 76 | value &= ~MODE_PIN4; /* 16-bit Area0 bus width */ | |
| 77 | value |= MODE_PIN5; | |
| 78 | value |= MODE_PIN6; | |
| 79 | value |= MODE_PIN7; /* Normal mode */ | |
| 80 | value |= MODE_PIN8; /* Little Endian */ | |
| 81 | value |= MODE_PIN9; /* Crystal resonator */ | |
| 82 | value &= ~MODE_PIN10; /* 29-bit address mode */ | |
| 83 | value &= ~MODE_PIN11; /* PCI-E Root port */ | |
| 84 | value &= ~MODE_PIN12; /* 4 lane + 1 lane */ | |
| 85 | value |= MODE_PIN13; /* AUD Enable */ | |
| 86 | value &= ~MODE_PIN14; /* Normal Operation */ | |
| 87 | ||
| 88 | return value; | |
| 89 | } | |
| 90 | ||
| 91 | static int apsh4ad0a_clk_init(void) | |
| 92 | { | |
| 93 | struct clk *clk; | |
| 94 | int ret; | |
| 95 | ||
| 96 | clk = clk_get(NULL, "extal"); | |
| 7912825d | 97 | if (IS_ERR(clk)) |
| 8a453cac PM |
98 | return PTR_ERR(clk); |
| 99 | ret = clk_set_rate(clk, 33333000); | |
| 100 | clk_put(clk); | |
| 101 | ||
| 102 | return ret; | |
| 103 | } | |
| 104 | ||
| 105 | /* Initialize the board */ | |
| 106 | static void __init apsh4ad0a_setup(char **cmdline_p) | |
| 107 | { | |
| 108 | pr_info("Alpha Project AP-SH4AD-0A support:\n"); | |
| 109 | } | |
| 110 | ||
| 111 | static void __init apsh4ad0a_init_irq(void) | |
| 112 | { | |
| 113 | plat_irq_setup_pins(IRQ_MODE_IRQ3210); | |
| 114 | } | |
| 115 | ||
| 116 | /* | |
| 117 | * The Machine Vector | |
| 118 | */ | |
| 119 | static struct sh_machine_vector mv_apsh4ad0a __initmv = { | |
| 120 | .mv_name = "AP-SH4AD-0A", | |
| 121 | .mv_setup = apsh4ad0a_setup, | |
| 122 | .mv_mode_pins = apsh4ad0a_mode_pins, | |
| 123 | .mv_clk_init = apsh4ad0a_clk_init, | |
| 124 | .mv_init_irq = apsh4ad0a_init_irq, | |
| 125 | }; |