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_data/sa11x0-serial.h>
10#include <linux/platform_device.h>
11#include <linux/irq.h>
12#include <linux/io.h>
13#include <linux/mtd/partitions.h>
14#include <linux/smc91x.h>
15
16#include <mach/hardware.h>
17#include <asm/setup.h>
18#include <asm/mach-types.h>
19
20#include <asm/mach/arch.h>
21#include <asm/mach/map.h>
22#include <asm/mach/flash.h>
23#include <mach/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] = DEFINE_RES_MEM(PLEB_ETH0_P, 0x04000000),
42#if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */
43	[1] = DEFINE_RES_IRQ(IRQ_GPIO_ETH0_IRQ),
44#endif
45};
46
47static struct smc91x_platdata smc91x_platdata = {
48	.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
49};
50
51static struct platform_device smc91x_device = {
52	.name		= "smc91x",
53	.id		= 0,
54	.num_resources	= ARRAY_SIZE(smc91x_resources),
55	.resource	= smc91x_resources,
56	.dev = {
57		.platform_data  = &smc91x_platdata,
58	},
59};
60
61static struct platform_device *devices[] __initdata = {
62	&smc91x_device,
63};
64
65
66/*
67 * Pleb's memory map
68 * has flash memory (typically 4 or 8 meg) selected by
69 * the two SA1100 lowest chip select outputs.
70 */
71static struct resource pleb_flash_resources[] = {
72	[0] = DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_8M),
73	[1] = DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_8M),
74};
75
76
77static struct mtd_partition pleb_partitions[] = {
78	{
79		.name		= "blob",
80		.offset		= 0,
81		.size		= 0x00020000,
82	}, {
83		.name		= "kernel",
84		.offset		= MTDPART_OFS_APPEND,
85		.size		= 0x000e0000,
86	}, {
87		.name		= "rootfs",
88		.offset		= MTDPART_OFS_APPEND,
89		.size		= 0x00300000,
90	}
91};
92
93
94static struct flash_platform_data pleb_flash_data = {
95	.map_name = "cfi_probe",
96	.parts = pleb_partitions,
97	.nr_parts = ARRAY_SIZE(pleb_partitions),
98};
99
100
101static void __init pleb_init(void)
102{
103	sa11x0_register_mtd(&pleb_flash_data, pleb_flash_resources,
104			      ARRAY_SIZE(pleb_flash_resources));
105
106
107	platform_add_devices(devices, ARRAY_SIZE(devices));
108}
109
110
111static void __init pleb_map_io(void)
112{
113	sa1100_map_io();
114
115	sa1100_register_uart(0, 3);
116	sa1100_register_uart(1, 1);
117
118	GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
119	GPDR |= GPIO_UART_TXD;
120	GPDR &= ~GPIO_UART_RXD;
121	PPAR |= PPAR_UPR;
122
123	/*
124	 * Fix expansion memory timing for network card
125	 */
126	MECR = ((2<<10) | (2<<5) | (2<<0));
127
128	/*
129	 * Enable the SMC ethernet controller
130	 */
131	GPDR |= GPIO_ETH0_EN;	/* set to output */
132	GPCR  = GPIO_ETH0_EN;	/* clear MCLK (enable smc) */
133
134	GPDR &= ~GPIO_ETH0_IRQ;
135
136	irq_set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING);
137}
138
139MACHINE_START(PLEB, "PLEB")
140	.map_io		= pleb_map_io,
141	.nr_irqs	= SA1100_NR_IRQS,
142	.init_irq	= sa1100_init_irq,
143	.init_time	= sa1100_timer_init,
144	.init_machine   = pleb_init,
145	.init_late	= sa11x0_init_late,
146	.restart	= sa11x0_restart,
147MACHINE_END
148