[deliverable/linux.git] / arch / arm / mach-ixp4xx / vulcan-setup.c

/*
 * arch/arm/mach-ixp4xx/vulcan-setup.c
 *
 * Arcom/Eurotech Vulcan board-setup
 *
 * Copyright (C) 2010 Marc Zyngier <maz@misterjones.org>
 *
 * based on fsg-setup.c:
 *	Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
 */

#include <linux/if_ether.h>
#include <linux/irq.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
#include <linux/io.h>
#include <linux/w1-gpio.h>
#include <linux/mtd/plat-ram.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>

static struct flash_platform_data vulcan_flash_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
};

static struct resource vulcan_flash_resource = {
	.flags			= IORESOURCE_MEM,
};

static struct platform_device vulcan_flash = {
	.name			= "IXP4XX-Flash",
	.id			= 0,
	.dev = {
		.platform_data	= &vulcan_flash_data,
	},
	.resource		= &vulcan_flash_resource,
	.num_resources		= 1,
};

static struct platdata_mtd_ram vulcan_sram_data = {
	.mapname	= "Vulcan SRAM",
	.bankwidth	= 1,
};

static struct resource vulcan_sram_resource = {
	.flags			= IORESOURCE_MEM,
};

static struct platform_device vulcan_sram = {
	.name			= "mtd-ram",
	.id			= 0,
	.dev = {
		.platform_data	= &vulcan_sram_data,
	},
	.resource		= &vulcan_sram_resource,
	.num_resources		= 1,
};

static struct resource vulcan_uart_resources[] = {
	[0] = {
		.start		= IXP4XX_UART1_BASE_PHYS,
		.end		= IXP4XX_UART1_BASE_PHYS + 0x0fff,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= IXP4XX_UART2_BASE_PHYS,
		.end		= IXP4XX_UART2_BASE_PHYS + 0x0fff,
		.flags		= IORESOURCE_MEM,
	},
	[2] = {
		.flags		= IORESOURCE_MEM,
	},
};

static struct plat_serial8250_port vulcan_uart_data[] = {
	[0] = {
		.mapbase	= IXP4XX_UART1_BASE_PHYS,
		.membase	= (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
		.irq		= IRQ_IXP4XX_UART1,
		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= IXP4XX_UART_XTAL,
	},
	[1] = {
		.mapbase	= IXP4XX_UART2_BASE_PHYS,
		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
		.irq		= IRQ_IXP4XX_UART2,
		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= IXP4XX_UART_XTAL,
	},
	[2] = {
		.irq		= IXP4XX_GPIO_IRQ(4),
		.irqflags	= IRQF_TRIGGER_LOW,
		.flags		= UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
		.iotype		= UPIO_MEM,
		.uartclk	= 1843200,
	},
	[3] = {
		.irq		= IXP4XX_GPIO_IRQ(4),
		.irqflags	= IRQF_TRIGGER_LOW,
		.flags		= UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
		.iotype		= UPIO_MEM,
		.uartclk	= 1843200,
	},
	{ }
};

static struct platform_device vulcan_uart = {
	.name			= "serial8250",
	.id			= PLAT8250_DEV_PLATFORM,
	.dev = {
		.platform_data	= vulcan_uart_data,
	},
	.resource		= vulcan_uart_resources,
	.num_resources		= ARRAY_SIZE(vulcan_uart_resources),
};

static struct eth_plat_info vulcan_plat_eth[] = {
	[0] = {
		.phy		= 0,
		.rxq		= 3,
		.txreadyq	= 20,
	},
	[1] = {
		.phy		= 1,
		.rxq		= 4,
		.txreadyq	= 21,
	},
};

static struct platform_device vulcan_eth[] = {
	[0] = {
		.name			= "ixp4xx_eth",
		.id			= IXP4XX_ETH_NPEB,
		.dev = {
			.platform_data	= &vulcan_plat_eth[0],
		},
	},
	[1] = {
		.name			= "ixp4xx_eth",
		.id			= IXP4XX_ETH_NPEC,
		.dev = {
			.platform_data	= &vulcan_plat_eth[1],
		},
	},
};

static struct resource vulcan_max6369_resource = {
	.flags			= IORESOURCE_MEM,
};

static struct platform_device vulcan_max6369 = {
	.name			= "max6369_wdt",
	.id			= -1,
	.resource		= &vulcan_max6369_resource,
	.num_resources		= 1,
};

static struct w1_gpio_platform_data vulcan_w1_gpio_pdata = {
	.pin			= 14,
	.ext_pullup_enable_pin	= -EINVAL,
};

static struct platform_device vulcan_w1_gpio = {
	.name			= "w1-gpio",
	.id			= 0,
	.dev			= {
		.platform_data	= &vulcan_w1_gpio_pdata,
	},
};

static struct platform_device *vulcan_devices[] __initdata = {
	&vulcan_uart,
	&vulcan_flash,
	&vulcan_sram,
	&vulcan_max6369,
	&vulcan_eth[0],
	&vulcan_eth[1],
	&vulcan_w1_gpio,
};

static void __init vulcan_init(void)
{
	ixp4xx_sys_init();

	/* Flash is spread over both CS0 and CS1 */
	vulcan_flash_resource.start	 = IXP4XX_EXP_BUS_BASE(0);
	vulcan_flash_resource.end	 = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
	*IXP4XX_EXP_CS0 = IXP4XX_EXP_BUS_CS_EN		|
			  IXP4XX_EXP_BUS_STROBE_T(3)	|
			  IXP4XX_EXP_BUS_SIZE(0xF)	|
			  IXP4XX_EXP_BUS_BYTE_RD16	|
			  IXP4XX_EXP_BUS_WR_EN;
	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;

	/* SRAM on CS2, (256kB, 8bit, writable) */
	vulcan_sram_resource.start	= IXP4XX_EXP_BUS_BASE(2);
	vulcan_sram_resource.end	= IXP4XX_EXP_BUS_BASE(2) + SZ_256K - 1;
	*IXP4XX_EXP_CS2 = IXP4XX_EXP_BUS_CS_EN		|
			  IXP4XX_EXP_BUS_STROBE_T(1)	|
			  IXP4XX_EXP_BUS_HOLD_T(2)	|
			  IXP4XX_EXP_BUS_SIZE(9)	|
			  IXP4XX_EXP_BUS_SPLT_EN	|
			  IXP4XX_EXP_BUS_WR_EN		|
			  IXP4XX_EXP_BUS_BYTE_EN;

	/* XR16L2551 on CS3 (Moto style, 512 bytes, 8bits, writable) */
	vulcan_uart_resources[2].start	= IXP4XX_EXP_BUS_BASE(3);
	vulcan_uart_resources[2].end	= IXP4XX_EXP_BUS_BASE(3) + 16 - 1;
	vulcan_uart_data[2].mapbase	= vulcan_uart_resources[2].start;
	vulcan_uart_data[3].mapbase	= vulcan_uart_data[2].mapbase + 8;
	*IXP4XX_EXP_CS3 = IXP4XX_EXP_BUS_CS_EN		|
			  IXP4XX_EXP_BUS_STROBE_T(3)	|
			  IXP4XX_EXP_BUS_CYCLES(IXP4XX_EXP_BUS_CYCLES_MOTOROLA)|
			  IXP4XX_EXP_BUS_WR_EN		|
			  IXP4XX_EXP_BUS_BYTE_EN;

	/* GPIOS on CS4 (512 bytes, 8bits, writable) */
	*IXP4XX_EXP_CS4 = IXP4XX_EXP_BUS_CS_EN		|
			  IXP4XX_EXP_BUS_WR_EN		|
			  IXP4XX_EXP_BUS_BYTE_EN;

	/* max6369 on CS5 (512 bytes, 8bits, writable) */
	vulcan_max6369_resource.start	= IXP4XX_EXP_BUS_BASE(5);
	vulcan_max6369_resource.end	= IXP4XX_EXP_BUS_BASE(5);
	*IXP4XX_EXP_CS5 = IXP4XX_EXP_BUS_CS_EN		|
			  IXP4XX_EXP_BUS_WR_EN		|
			  IXP4XX_EXP_BUS_BYTE_EN;

	platform_add_devices(vulcan_devices, ARRAY_SIZE(vulcan_devices));
}

MACHINE_START(ARCOM_VULCAN, "Arcom/Eurotech Vulcan")
	/* Maintainer: Marc Zyngier <maz@misterjones.org> */
	.map_io		= ixp4xx_map_io,
	.init_early	= ixp4xx_init_early,
	.init_irq	= ixp4xx_init_irq,
	.init_time	= ixp4xx_timer_init,
	.atag_offset	= 0x100,
	.init_machine	= vulcan_init,
#if defined(CONFIG_PCI)
	.dma_zone_size	= SZ_64M,
#endif
	.restart	= ixp4xx_restart,
MACHINE_END
Commit	Line	Data
4d9be47f MZ	1	/*
	2	* arch/arm/mach-ixp4xx/vulcan-setup.c
	3	*
	4	* Arcom/Eurotech Vulcan board-setup
	5	*
	6	* Copyright (C) 2010 Marc Zyngier <maz@misterjones.org>
	7	*
	8	* based on fsg-setup.c:
	9	* Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
	10	*/
	11
	12	#include <linux/if_ether.h>
	13	#include <linux/irq.h>
	14	#include <linux/serial.h>
	15	#include <linux/serial_8250.h>
	16	#include <linux/io.h>
	17	#include <linux/w1-gpio.h>
	18	#include <linux/mtd/plat-ram.h>
	19	#include <asm/mach-types.h>
	20	#include <asm/mach/arch.h>
	21	#include <asm/mach/flash.h>
	22
	23	static struct flash_platform_data vulcan_flash_data = {
	24	.map_name = "cfi_probe",
	25	.width = 2,
	26	};
	27
	28	static struct resource vulcan_flash_resource = {
	29	.flags = IORESOURCE_MEM,
	30	};
	31
	32	static struct platform_device vulcan_flash = {
	33	.name = "IXP4XX-Flash",
	34	.id = 0,
	35	.dev = {
	36	.platform_data = &vulcan_flash_data,
	37	},
	38	.resource = &vulcan_flash_resource,
	39	.num_resources = 1,
	40	};
	41
	42	static struct platdata_mtd_ram vulcan_sram_data = {
	43	.mapname = "Vulcan SRAM",
	44	.bankwidth = 1,
	45	};
	46
	47	static struct resource vulcan_sram_resource = {
	48	.flags = IORESOURCE_MEM,
	49	};
	50
	51	static struct platform_device vulcan_sram = {
	52	.name = "mtd-ram",
	53	.id = 0,
	54	.dev = {
	55	.platform_data = &vulcan_sram_data,
	56	},
	57	.resource = &vulcan_sram_resource,
	58	.num_resources = 1,
	59	};
	60
	61	static struct resource vulcan_uart_resources[] = {
	62	[0] = {
	63	.start = IXP4XX_UART1_BASE_PHYS,
	64	.end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
65	.flags = IORESOURCE_MEM,
66	},
67	[1] = {
68	.start = IXP4XX_UART2_BASE_PHYS,
69	.end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
70	.flags = IORESOURCE_MEM,
71	},
72	[2] = {
73	.flags = IORESOURCE_MEM,
74	},
75	};
76
77	static struct plat_serial8250_port vulcan_uart_data[] = {
78	[0] = {
79	.mapbase = IXP4XX_UART1_BASE_PHYS,
80	.membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
81	.irq = IRQ_IXP4XX_UART1,
82	.flags = UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST,
83	.iotype = UPIO_MEM,
84	.regshift = 2,
85	.uartclk = IXP4XX_UART_XTAL,
86	},
87	[1] = {
88	.mapbase = IXP4XX_UART2_BASE_PHYS,
89	.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
90	.irq = IRQ_IXP4XX_UART2,
91	.flags = UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST,
92	.iotype = UPIO_MEM,
93	.regshift = 2,
94	.uartclk = IXP4XX_UART_XTAL,
95	},
96	[2] = {
97	.irq = IXP4XX_GPIO_IRQ(4),
98	.irqflags = IRQF_TRIGGER_LOW,
99	.flags = UPF_IOREMAP \| UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST,
100	.iotype = UPIO_MEM,
101	.uartclk = 1843200,
102	},
103	[3] = {
104	.irq = IXP4XX_GPIO_IRQ(4),
105	.irqflags = IRQF_TRIGGER_LOW,
106	.flags = UPF_IOREMAP \| UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST,
107	.iotype = UPIO_MEM,
108	.uartclk = 1843200,
109	},
110	{ }
111	};
112
113	static struct platform_device vulcan_uart = {
114	.name = "serial8250",
115	.id = PLAT8250_DEV_PLATFORM,
116	.dev = {
117	.platform_data = vulcan_uart_data,
118	},
119	.resource = vulcan_uart_resources,
120	.num_resources = ARRAY_SIZE(vulcan_uart_resources),
121	};
122
123	static struct eth_plat_info vulcan_plat_eth[] = {
124	[0] = {
125	.phy = 0,
126	.rxq = 3,
127	.txreadyq = 20,
128	},
129	[1] = {
130	.phy = 1,
131	.rxq = 4,
132	.txreadyq = 21,
133	},
134	};
135
136	static struct platform_device vulcan_eth[] = {
137	[0] = {
138	.name = "ixp4xx_eth",
139	.id = IXP4XX_ETH_NPEB,
140	.dev = {
141	.platform_data = &vulcan_plat_eth[0],
142	},
143	},
144	[1] = {
145	.name = "ixp4xx_eth",
146	.id = IXP4XX_ETH_NPEC,
147	.dev = {
148	.platform_data = &vulcan_plat_eth[1],
149	},
150	},
151	};
152
153	static struct resource vulcan_max6369_resource = {
154	.flags = IORESOURCE_MEM,
155	};
156
157	static struct platform_device vulcan_max6369 = {
158	.name = "max6369_wdt",
159	.id = -1,
160	.resource = &vulcan_max6369_resource,
161	.num_resources = 1,
162	};
163
164	static struct w1_gpio_platform_data vulcan_w1_gpio_pdata = {
165	.pin = 14,
2d798a3f	166	.ext_pullup_enable_pin = -EINVAL,
4d9be47f MZ	167	};
	168
	169	static struct platform_device vulcan_w1_gpio = {
	170	.name = "w1-gpio",
	171	.id = 0,
	172	.dev = {
	173	.platform_data = &vulcan_w1_gpio_pdata,
	174	},
	175	};
	176
	177	static struct platform_device *vulcan_devices[] __initdata = {
	178	&vulcan_uart,
	179	&vulcan_flash,
	180	&vulcan_sram,
	181	&vulcan_max6369,
	182	&vulcan_eth[0],
	183	&vulcan_eth[1],
	184	&vulcan_w1_gpio,
	185	};
	186
	187	static void __init vulcan_init(void)
	188	{
	189	ixp4xx_sys_init();
	190
	191	/* Flash is spread over both CS0 and CS1 */
	192	vulcan_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
	193	vulcan_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
	194	*IXP4XX_EXP_CS0 = IXP4XX_EXP_BUS_CS_EN \|
	195	IXP4XX_EXP_BUS_STROBE_T(3) \|
	196	IXP4XX_EXP_BUS_SIZE(0xF) \|
	197	IXP4XX_EXP_BUS_BYTE_RD16 \|
	198	IXP4XX_EXP_BUS_WR_EN;
	199	IXP4XX_EXP_CS1 = IXP4XX_EXP_CS0;
	200
	201	/* SRAM on CS2, (256kB, 8bit, writable) */
	202	vulcan_sram_resource.start = IXP4XX_EXP_BUS_BASE(2);
	203	vulcan_sram_resource.end = IXP4XX_EXP_BUS_BASE(2) + SZ_256K - 1;
	204	*IXP4XX_EXP_CS2 = IXP4XX_EXP_BUS_CS_EN \|
	205	IXP4XX_EXP_BUS_STROBE_T(1) \|
	206	IXP4XX_EXP_BUS_HOLD_T(2) \|
	207	IXP4XX_EXP_BUS_SIZE(9) \|
	208	IXP4XX_EXP_BUS_SPLT_EN \|
	209	IXP4XX_EXP_BUS_WR_EN \|
	210	IXP4XX_EXP_BUS_BYTE_EN;
	211
	212	/* XR16L2551 on CS3 (Moto style, 512 bytes, 8bits, writable) */
	213	vulcan_uart_resources[2].start = IXP4XX_EXP_BUS_BASE(3);
	214	vulcan_uart_resources[2].end = IXP4XX_EXP_BUS_BASE(3) + 16 - 1;
	215	vulcan_uart_data[2].mapbase = vulcan_uart_resources[2].start;
	216	vulcan_uart_data[3].mapbase = vulcan_uart_data[2].mapbase + 8;
	217	*IXP4XX_EXP_CS3 = IXP4XX_EXP_BUS_CS_EN \|
	218	IXP4XX_EXP_BUS_STROBE_T(3) \|
	219	IXP4XX_EXP_BUS_CYCLES(IXP4XX_EXP_BUS_CYCLES_MOTOROLA)\|
	220	IXP4XX_EXP_BUS_WR_EN \|
	221	IXP4XX_EXP_BUS_BYTE_EN;
	222
	223	/* GPIOS on CS4 (512 bytes, 8bits, writable) */
	224	*IXP4XX_EXP_CS4 = IXP4XX_EXP_BUS_CS_EN \|
	225	IXP4XX_EXP_BUS_WR_EN \|
	226	IXP4XX_EXP_BUS_BYTE_EN;
	227
	228	/* max6369 on CS5 (512 bytes, 8bits, writable) */
	229	vulcan_max6369_resource.start = IXP4XX_EXP_BUS_BASE(5);
	230	vulcan_max6369_resource.end = IXP4XX_EXP_BUS_BASE(5);
231	*IXP4XX_EXP_CS5 = IXP4XX_EXP_BUS_CS_EN \|
232	IXP4XX_EXP_BUS_WR_EN \|
233	IXP4XX_EXP_BUS_BYTE_EN;
234
235	platform_add_devices(vulcan_devices, ARRAY_SIZE(vulcan_devices));
236	}
237
238	MACHINE_START(ARCOM_VULCAN, "Arcom/Eurotech Vulcan")
239	/* Maintainer: Marc Zyngier <maz@misterjones.org> */
4d9be47f	240	.map_io = ixp4xx_map_io,
f449588c	241	.init_early = ixp4xx_init_early,
4d9be47f	242	.init_irq = ixp4xx_init_irq,
6bb27d73	243	.init_time = ixp4xx_timer_init,
e022c729	244	.atag_offset = 0x100,
4d9be47f	245	.init_machine = vulcan_init,
7553ee77 NP	246	#if defined(CONFIG_PCI)
	247	.dma_zone_size = SZ_64M,
	248	#endif
d1b860fb	249	.restart = ixp4xx_restart,
4d9be47f	250	MACHINE_END