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
15#include <mach/hardware.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 <mach/irqs.h>
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
39static struct resource smc91x_resources[] = {
40	[0] = DEFINE_RES_MEM(PLEB_ETH0_P, 0x04000000),
41#if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */
42	[1] = DEFINE_RES_IRQ(IRQ_GPIO_ETH0_IRQ),
43#endif
44};
45
46
47static struct platform_device smc91x_device = {
48	.name		= "smc91x",
49	.id		= 0,
50	.num_resources	= ARRAY_SIZE(smc91x_resources),
51	.resource	= smc91x_resources,
52};
53
54static 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 */
64static struct resource pleb_flash_resources[] = {
65	[0] = DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_8M),
66	[1] = DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_8M),
67};
68
69
70static struct mtd_partition pleb_partitions[] = {
71	{
72		.name		= "blob",
73		.offset		= 0,
74		.size		= 0x00020000,
75	}, {
76		.name		= "kernel",
77		.offset		= MTDPART_OFS_APPEND,
78		.size		= 0x000e0000,
79	}, {
80		.name		= "rootfs",
81		.offset		= MTDPART_OFS_APPEND,
82		.size		= 0x00300000,
83	}
84};
85
86
87static 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
94static void __init pleb_init(void)
95{
96	sa11x0_register_mtd(&pleb_flash_data, pleb_flash_resources,
97			      ARRAY_SIZE(pleb_flash_resources));
98
99
100	platform_add_devices(devices, ARRAY_SIZE(devices));
101}
102
103
104static void __init pleb_map_io(void)
105{
106	sa1100_map_io();
107
108	sa1100_register_uart(0, 3);
109	sa1100_register_uart(1, 1);
110
111	GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
112	GPDR |= GPIO_UART_TXD;
113	GPDR &= ~GPIO_UART_RXD;
114	PPAR |= PPAR_UPR;
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
129	irq_set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING);
130}
131
132MACHINE_START(PLEB, "PLEB")
133	.map_io		= pleb_map_io,
134	.nr_irqs	= SA1100_NR_IRQS,
135	.init_irq	= sa1100_init_irq,
136	.init_time	= sa1100_timer_init,
137	.init_machine   = pleb_init,
138	.init_late	= sa11x0_init_late,
139	.restart	= sa11x0_restart,
140MACHINE_END
141