diff options
Diffstat (limited to 'arch/sh/boards/board-apsh4ad0a.c')
| -rw-r--r-- | arch/sh/boards/board-apsh4ad0a.c | 135 | 
1 files changed, 135 insertions, 0 deletions
diff --git a/arch/sh/boards/board-apsh4ad0a.c b/arch/sh/boards/board-apsh4ad0a.c new file mode 100644 index 00000000000..92eac3a9918 --- /dev/null +++ b/arch/sh/boards/board-apsh4ad0a.c @@ -0,0 +1,135 @@ +/* + * ALPHAPROJECT AP-SH4AD-0A Support. + * + * Copyright (C) 2010 ALPHAPROJECT Co.,Ltd. + * Copyright (C) 2010  Matt Fleming + * Copyright (C) 2010  Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License.  See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> +#include <linux/smsc911x.h> +#include <linux/irq.h> +#include <linux/clk.h> +#include <asm/machvec.h> +#include <asm/sizes.h> + +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { +	REGULATOR_SUPPLY("vddvario", "smsc911x"), +	REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + +static struct resource smsc911x_resources[] = { +	[0] = { +		.name		= "smsc911x-memory", +		.start		= 0xA4000000, +		.end		= 0xA4000000 + SZ_256 - 1, +		.flags		= IORESOURCE_MEM, +	}, +	[1] = { +		.name		= "smsc911x-irq", +		.start		= evt2irq(0x200), +		.end		= evt2irq(0x200), +		.flags		= IORESOURCE_IRQ, +	}, +}; + +static struct smsc911x_platform_config smsc911x_config = { +	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW, +	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN, +	.flags		= SMSC911X_USE_16BIT, +	.phy_interface	= PHY_INTERFACE_MODE_MII, +}; + +static struct platform_device smsc911x_device = { +	.name		= "smsc911x", +	.id		= -1, +	.num_resources	= ARRAY_SIZE(smsc911x_resources), +	.resource	= smsc911x_resources, +	.dev = { +		.platform_data = &smsc911x_config, +	}, +}; + +static struct platform_device *apsh4ad0a_devices[] __initdata = { +	&smsc911x_device, +}; + +static int __init apsh4ad0a_devices_setup(void) +{ +	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + +	return platform_add_devices(apsh4ad0a_devices, +				    ARRAY_SIZE(apsh4ad0a_devices)); +} +device_initcall(apsh4ad0a_devices_setup); + +static int apsh4ad0a_mode_pins(void) +{ +	int value = 0; + +	/* These are the factory default settings of SW1 and SW2. +	 * If you change these dip switches then you will need to +	 * adjust the values below as well. +	 */ +	value |=  MODE_PIN0;  /* Clock Mode 3 */ +	value |=  MODE_PIN1; +	value &= ~MODE_PIN2; +	value &= ~MODE_PIN3; +	value &= ~MODE_PIN4;  /* 16-bit Area0 bus width  */ +	value |=  MODE_PIN5; +	value |=  MODE_PIN6; +	value |=  MODE_PIN7;  /* Normal mode */ +	value |=  MODE_PIN8;  /* Little Endian */ +	value |=  MODE_PIN9;  /* Crystal resonator */ +	value &= ~MODE_PIN10; /* 29-bit address mode */ +	value &= ~MODE_PIN11; /* PCI-E Root port */ +	value &= ~MODE_PIN12; /* 4 lane + 1 lane */ +	value |=  MODE_PIN13; /* AUD Enable */ +	value &= ~MODE_PIN14; /* Normal Operation */ + +	return value; +} + +static int apsh4ad0a_clk_init(void) +{ +	struct clk *clk; +	int ret; + +	clk = clk_get(NULL, "extal"); +	if (IS_ERR(clk)) +		return PTR_ERR(clk); +	ret = clk_set_rate(clk, 33333000); +	clk_put(clk); + +	return ret; +} + +/* Initialize the board */ +static void __init apsh4ad0a_setup(char **cmdline_p) +{ +	pr_info("Alpha Project AP-SH4AD-0A support:\n"); +} + +static void __init apsh4ad0a_init_irq(void) +{ +	plat_irq_setup_pins(IRQ_MODE_IRQ3210); +} + +/* + * The Machine Vector + */ +static struct sh_machine_vector mv_apsh4ad0a __initmv = { +	.mv_name		= "AP-SH4AD-0A", +	.mv_setup		= apsh4ad0a_setup, +	.mv_mode_pins		= apsh4ad0a_mode_pins, +	.mv_clk_init		= apsh4ad0a_clk_init, +	.mv_init_irq		= apsh4ad0a_init_irq, +};  | 
