[deliverable/linux.git] / arch / arm / mach-sa1100 / pleb.c

/*
 * linux/arch/arm/mach-sa1100/pleb.c
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/mtd/partitions.h>

#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>
#include <asm/mach/serial_sa1100.h>
#include <mach/irqs.h>

#include "generic.h"


/*
 * Ethernet IRQ mappings
 */

#define PLEB_ETH0_P		(0x20000300)	/* Ethernet 0 in PCMCIA0 IO */
#define PLEB_ETH0_V		(0xf6000300)

#define GPIO_ETH0_IRQ		GPIO_GPIO(21)
#define GPIO_ETH0_EN		GPIO_GPIO(26)

#define IRQ_GPIO_ETH0_IRQ	IRQ_GPIO21

static struct resource smc91x_resources[] = {
	[0] = DEFINE_RES_MEM(PLEB_ETH0_P, 0x04000000),
#if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */
	[1] = DEFINE_RES_IRQ(IRQ_GPIO_ETH0_IRQ),
#endif
};


static struct platform_device smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(smc91x_resources),
	.resource	= smc91x_resources,
};

static struct platform_device *devices[] __initdata = {
	&smc91x_device,
};


/*
 * Pleb's memory map
 * has flash memory (typically 4 or 8 meg) selected by
 * the two SA1100 lowest chip select outputs.
 */
static struct resource pleb_flash_resources[] = {
	[0] = DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_8M),
	[1] = DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_8M),
};


static struct mtd_partition pleb_partitions[] = {
	{
		.name		= "blob",
		.offset		= 0,
		.size		= 0x00020000,
	}, {
		.name		= "kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 0x000e0000,
	}, {
		.name		= "rootfs",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 0x00300000,
	}
};


static struct flash_platform_data pleb_flash_data = {
	.map_name = "cfi_probe",
	.parts = pleb_partitions,
	.nr_parts = ARRAY_SIZE(pleb_partitions),
};


static void __init pleb_init(void)
{
	sa11x0_register_mtd(&pleb_flash_data, pleb_flash_resources,
			      ARRAY_SIZE(pleb_flash_resources));


	platform_add_devices(devices, ARRAY_SIZE(devices));
}


static void __init pleb_map_io(void)
{
	sa1100_map_io();

	sa1100_register_uart(0, 3);
	sa1100_register_uart(1, 1);

	GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
	GPDR |= GPIO_UART_TXD;
	GPDR &= ~GPIO_UART_RXD;
	PPAR |= PPAR_UPR;

	/*
	 * Fix expansion memory timing for network card
	 */
	MECR = ((2<<10) | (2<<5) | (2<<0));

	/*
	 * Enable the SMC ethernet controller
	 */
	GPDR |= GPIO_ETH0_EN;	/* set to output */
	GPCR  = GPIO_ETH0_EN;	/* clear MCLK (enable smc) */

	GPDR &= ~GPIO_ETH0_IRQ;

	irq_set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING);
}

MACHINE_START(PLEB, "PLEB")
	.map_io		= pleb_map_io,
	.nr_irqs	= SA1100_NR_IRQS,
	.init_irq	= sa1100_init_irq,
	.timer		= &sa1100_timer,
	.init_machine   = pleb_init,
	.init_late	= sa11x0_init_late,
	.restart	= sa11x0_restart,
MACHINE_END
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/arch/arm/mach-sa1100/pleb.c
	3	*/
	4
	5	#include <linux/init.h>
	6	#include <linux/kernel.h>
	7	#include <linux/tty.h>
	8	#include <linux/ioport.h>
d052d1be	9	#include <linux/platform_device.h>
119c641c	10	#include <linux/irq.h>
fced80c7	11	#include <linux/io.h>
1da177e4 LT	12	#include <linux/mtd/partitions.h>
1da177e4 LT	13
a09e64fb	14	#include <mach/hardware.h>
1da177e4 LT	15	#include <asm/setup.h>
	16	#include <asm/mach-types.h>
	17
	18	#include <asm/mach/arch.h>
	19	#include <asm/mach/map.h>
	20	#include <asm/mach/flash.h>
	21	#include <asm/mach/serial_sa1100.h>
a09e64fb	22	#include <mach/irqs.h>
1da177e4 LT	23
	24	#include "generic.h"
	25
	26
	27	/*
	28	* Ethernet IRQ mappings
	29	*/
	30
	31	#define PLEB_ETH0_P (0x20000300) /* Ethernet 0 in PCMCIA0 IO */
	32	#define PLEB_ETH0_V (0xf6000300)
	33
	34	#define GPIO_ETH0_IRQ GPIO_GPIO(21)
	35	#define GPIO_ETH0_EN GPIO_GPIO(26)
	36
	37	#define IRQ_GPIO_ETH0_IRQ IRQ_GPIO21
	38
	39	static struct resource smc91x_resources[] = {
a181099e	40	[0] = DEFINE_RES_MEM(PLEB_ETH0_P, 0x04000000),
1da177e4	41	#if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */
a181099e	42	[1] = DEFINE_RES_IRQ(IRQ_GPIO_ETH0_IRQ),
1da177e4 LT	43	#endif
	44	};
	45
	46
	47	static struct platform_device smc91x_device = {
	48	.name = "smc91x",
	49	.id = 0,
	50	.num_resources = ARRAY_SIZE(smc91x_resources),
	51	.resource = smc91x_resources,
	52	};
	53
	54	static struct platform_device *devices[] __initdata = {
	55	&smc91x_device,
	56	};
	57
	58
	59	/*
	60	* Pleb's memory map
	61	* has flash memory (typically 4 or 8 meg) selected by
	62	* the two SA1100 lowest chip select outputs.
	63	*/
	64	static struct resource pleb_flash_resources[] = {
a181099e RK	65	[0] = DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_8M),
a181099e RK	66	[1] = DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_8M),
1da177e4 LT	67	};
	68
	69
	70	static struct mtd_partition pleb_partitions[] = {
	71	{
	72	.name = "blob",
bda03086	73	.offset = 0,
1da177e4 LT	74	.size = 0x00020000,
	75	}, {
	76	.name = "kernel",
bda03086	77	.offset = MTDPART_OFS_APPEND,
1da177e4 LT	78	.size = 0x000e0000,
	79	}, {
	80	.name = "rootfs",
bda03086	81	.offset = MTDPART_OFS_APPEND,
1da177e4 LT	82	.size = 0x00300000,
	83	}
	84	};
	85
	86
	87	static struct flash_platform_data pleb_flash_data = {
	88	.map_name = "cfi_probe",
	89	.parts = pleb_partitions,
	90	.nr_parts = ARRAY_SIZE(pleb_partitions),
	91	};
	92
	93
	94	static void __init pleb_init(void)
	95	{
7a5b4e16	96	sa11x0_register_mtd(&pleb_flash_data, pleb_flash_resources,
1da177e4 LT	97	ARRAY_SIZE(pleb_flash_resources));
	98
	99
	100	platform_add_devices(devices, ARRAY_SIZE(devices));
	101	}
	102
	103
	104	static void __init pleb_map_io(void)
	105	{
	106	sa1100_map_io();
	107
	108	sa1100_register_uart(0, 3);
93982535	109	sa1100_register_uart(1, 1);
1da177e4	110
93982535 KE	111	GAFR \|= (GPIO_UART_TXD \| GPIO_UART_RXD);
	112	GPDR \|= GPIO_UART_TXD;
	113	GPDR &= ~GPIO_UART_RXD;
	114	PPAR \|= PPAR_UPR;
1da177e4 LT	115
	116	/*
	117	* Fix expansion memory timing for network card
	118	*/
	119	MECR = ((2<<10) \| (2<<5) \| (2<<0));
	120
	121	/*
	122	* Enable the SMC ethernet controller
	123	*/
	124	GPDR \|= GPIO_ETH0_EN; /* set to output */
	125	GPCR = GPIO_ETH0_EN; /* clear MCLK (enable smc) */
	126
	127	GPDR &= ~GPIO_ETH0_IRQ;
	128
6845664a	129	irq_set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING);
1da177e4 LT	130	}
	131
	132	MACHINE_START(PLEB, "PLEB")
e9dea0c6	133	.map_io = pleb_map_io,
f314f33b	134	.nr_irqs = SA1100_NR_IRQS,
e9dea0c6	135	.init_irq = sa1100_init_irq,
1da177e4 LT	136	.timer = &sa1100_timer,
1da177e4 LT	137	.init_machine = pleb_init,
7fea1ba5	138	.init_late = sa11x0_init_late,
d9ca5839	139	.restart = sa11x0_restart,
1da177e4	140	MACHINE_END