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>
9#include <linux/platform_device.h>
10#include <linux/irq.h>
11
12#include <linux/mtd/partitions.h>
13
14#include <asm/hardware.h>
15#include <asm/io.h>
16#include <asm/setup.h>
17#include <asm/mach-types.h>
18
19#include <asm/mach/arch.h>
20#include <asm/mach/map.h>
21#include <asm/mach/flash.h>
22#include <asm/mach/serial_sa1100.h>
23#include <asm/arch/irqs.h>
24
25#include "generic.h"
26
27
28/*
29 * Ethernet IRQ mappings
30 */
31
32#define PLEB_ETH0_P		(0x20000300)	/* Ethernet 0 in PCMCIA0 IO */
33#define PLEB_ETH0_V		(0xf6000300)
34
35#define GPIO_ETH0_IRQ		GPIO_GPIO(21)
36#define GPIO_ETH0_EN		GPIO_GPIO(26)
37
38#define IRQ_GPIO_ETH0_IRQ	IRQ_GPIO21
39
40static struct resource smc91x_resources[] = {
41	[0] = {
42		.start	=  PLEB_ETH0_P,
43		.end	=  PLEB_ETH0_P | 0x03ffffff,
44		.flags	= IORESOURCE_MEM,
45	},
46};
47
48
49static struct platform_device smc91x_device = {
50	.name		= "smc91x",
51	.id		= 0,
52	.num_resources	= ARRAY_SIZE(smc91x_resources),
53	.resource	= smc91x_resources,
54};
55
56static struct platform_device *devices[] __initdata = {
57	&smc91x_device,
58};
59
60
61/*
62 * Pleb's memory map
63 * has flash memory (typically 4 or 8 meg) selected by
64 * the two SA1100 lowest chip select outputs.
65 */
66static struct resource pleb_flash_resources[] = {
67	[0] = {
68		.start = SA1100_CS0_PHYS,
69		.end   = SA1100_CS0_PHYS + SZ_8M - 1,
70		.flags = IORESOURCE_MEM,
71	},
72	[1] = {
73		.start = SA1100_CS1_PHYS,
74		.end   = SA1100_CS1_PHYS + SZ_8M - 1,
75		.flags = IORESOURCE_MEM,
76	}
77};
78
79
80static struct mtd_partition pleb_partitions[] = {
81	{
82		.name		= "blob",
83		.offset 	= 0,
84		.size		= 0x00020000,
85	}, {
86		.name		= "kernel",
87		.offset 	= MTDPART_OFS_APPEND,
88		.size		= 0x000e0000,
89	}, {
90		.name		= "rootfs",
91		.offset 	= MTDPART_OFS_APPEND,
92		.size		= 0x00300000,
93	}
94};
95
96
97static struct flash_platform_data pleb_flash_data = {
98	.map_name = "cfi_probe",
99	.parts = pleb_partitions,
100	.nr_parts = ARRAY_SIZE(pleb_partitions),
101};
102
103
104static void __init pleb_init(void)
105{
106	sa11x0_set_flash_data(&pleb_flash_data, pleb_flash_resources,
107			      ARRAY_SIZE(pleb_flash_resources));
108
109
110	platform_add_devices(devices, ARRAY_SIZE(devices));
111}
112
113
114static void __init pleb_map_io(void)
115{
116	sa1100_map_io();
117
118	sa1100_register_uart(0, 3);
119        sa1100_register_uart(1, 1);
120
121        GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
122        GPDR |= GPIO_UART_TXD;
123        GPDR &= ~GPIO_UART_RXD;
124        PPAR |= PPAR_UPR;
125
126	/*
127	 * Fix expansion memory timing for network card
128	 */
129	MECR = ((2<<10) | (2<<5) | (2<<0));
130
131	/*
132	 * Enable the SMC ethernet controller
133	 */
134	GPDR |= GPIO_ETH0_EN;	/* set to output */
135	GPCR  = GPIO_ETH0_EN;	/* clear MCLK (enable smc) */
136
137	GPDR &= ~GPIO_ETH0_IRQ;
138
139	set_irq_type(GPIO_ETH0_IRQ, IRQT_FALLING);
140}
141
142MACHINE_START(PLEB, "PLEB")
143	.phys_io	= 0x80000000,
144	.io_pg_offst	= ((0xf8000000) >> 18) & 0xfffc,
145	.map_io		= pleb_map_io,
146	.init_irq	= sa1100_init_irq,
147	.timer		= &sa1100_timer,
148	.init_machine   = pleb_init,
149MACHINE_END
150