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-rw-r--r--arch/arm/mach-sa1100/collie.c192
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diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
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1/*
2 * linux/arch/arm/mach-sa1100/collie.c
3 *
4 * May be copied or modified under the terms of the GNU General Public
5 * License. See linux/COPYING for more information.
6 *
7 * This file contains all Collie-specific tweaks.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 * ChangeLog:
14 * 03-06-2004 John Lenz <jelenz@wisc.edu>
15 * 06-04-2002 Chris Larson <kergoth@digitalnemesis.net>
16 * 04-16-2001 Lineo Japan,Inc. ...
17 */
18
19#include <linux/config.h>
20#include <linux/init.h>
21#include <linux/kernel.h>
22#include <linux/tty.h>
23#include <linux/delay.h>
24#include <linux/device.h>
25#include <linux/mtd/mtd.h>
26#include <linux/mtd/partitions.h>
27#include <linux/timer.h>
28
29#include <asm/hardware.h>
30#include <asm/mach-types.h>
31#include <asm/irq.h>
32#include <asm/setup.h>
33#include <asm/arch/collie.h>
34
35#include <asm/mach/arch.h>
36#include <asm/mach/flash.h>
37#include <asm/mach/map.h>
38#include <asm/mach/serial_sa1100.h>
39
40#include <asm/hardware/scoop.h>
41#include <asm/mach/sharpsl_param.h>
42#include <asm/hardware/locomo.h>
43
44#include "generic.h"
45
46static struct resource collie_scoop_resources[] = {
47 [0] = {
48 .start = 0x40800000,
49 .end = 0x40800fff,
50 .flags = IORESOURCE_MEM,
51 },
52};
53
54static struct scoop_config collie_scoop_setup = {
55 .io_dir = COLLIE_SCOOP_IO_DIR,
56 .io_out = COLLIE_SCOOP_IO_OUT,
57};
58
59struct platform_device colliescoop_device = {
60 .name = "sharp-scoop",
61 .id = -1,
62 .dev = {
63 .platform_data = &collie_scoop_setup,
64 },
65 .num_resources = ARRAY_SIZE(collie_scoop_resources),
66 .resource = collie_scoop_resources,
67};
68
69
70static struct resource locomo_resources[] = {
71 [0] = {
72 .start = 0x40000000,
73 .end = 0x40001fff,
74 .flags = IORESOURCE_MEM,
75 },
76 [1] = {
77 .start = IRQ_GPIO25,
78 .end = IRQ_GPIO25,
79 .flags = IORESOURCE_IRQ,
80 },
81};
82
83static struct platform_device locomo_device = {
84 .name = "locomo",
85 .id = 0,
86 .num_resources = ARRAY_SIZE(locomo_resources),
87 .resource = locomo_resources,
88};
89
90static struct platform_device *devices[] __initdata = {
91 &locomo_device,
92 &colliescoop_device,
93};
94
95static struct mtd_partition collie_partitions[] = {
96 {
97 .name = "bootloader",
98 .offset = 0,
99 .size = 0x000C0000,
100 .mask_flags = MTD_WRITEABLE
101 }, {
102 .name = "kernel",
103 .offset = MTDPART_OFS_APPEND,
104 .size = 0x00100000,
105 }, {
106 .name = "rootfs",
107 .offset = MTDPART_OFS_APPEND,
108 .size = 0x00e20000,
109 }
110};
111
112static void collie_set_vpp(int vpp)
113{
114 write_scoop_reg(SCOOP_GPCR, read_scoop_reg(SCOOP_GPCR) | COLLIE_SCP_VPEN);
115 if (vpp) {
116 write_scoop_reg(SCOOP_GPWR, read_scoop_reg(SCOOP_GPWR) | COLLIE_SCP_VPEN);
117 } else {
118 write_scoop_reg(SCOOP_GPWR, read_scoop_reg(SCOOP_GPWR) & ~COLLIE_SCP_VPEN);
119 }
120}
121
122static struct flash_platform_data collie_flash_data = {
123 .map_name = "cfi_probe",
124 .set_vpp = collie_set_vpp,
125 .parts = collie_partitions,
126 .nr_parts = ARRAY_SIZE(collie_partitions),
127};
128
129static struct resource collie_flash_resources[] = {
130 {
131 .start = SA1100_CS0_PHYS,
132 .end = SA1100_CS0_PHYS + SZ_32M - 1,
133 .flags = IORESOURCE_MEM,
134 }
135};
136
137static void __init collie_init(void)
138{
139 int ret = 0;
140
141 /* cpu initialize */
142 GAFR = ( GPIO_SSP_TXD | \
143 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | GPIO_TIC_ACK | \
144 GPIO_32_768kHz );
145
146 GPDR = ( GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 | \
147 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD | \
148 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK | \
149 GPIO_SDLC_AAF | GPIO_UART_SCLK1 | GPIO_32_768kHz );
150 GPLR = GPIO_GPIO18;
151
152 // PPC pin setting
153 PPDR = ( PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 | \
154 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS | \
155 PPC_TXD1 | PPC_TXD2 | PPC_RXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM );
156
157 PSDR = ( PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4 );
158
159 GAFR |= GPIO_32_768kHz;
160 GPDR |= GPIO_32_768kHz;
161 TUCR = TUCR_32_768kHz;
162
163 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
164 if (ret) {
165 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
166 }
167
168 sa11x0_set_flash_data(&collie_flash_data, collie_flash_resources,
169 ARRAY_SIZE(collie_flash_resources));
170
171 sharpsl_save_param();
172}
173
174static struct map_desc collie_io_desc[] __initdata = {
175 /* virtual physical length type */
176 {0xe8000000, 0x00000000, 0x02000000, MT_DEVICE}, /* 32M main flash (cs0) */
177 {0xea000000, 0x08000000, 0x02000000, MT_DEVICE}, /* 32M boot flash (cs1) */
178};
179
180static void __init collie_map_io(void)
181{
182 sa1100_map_io();
183 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
184}
185
186MACHINE_START(COLLIE, "Sharp-Collie")
187 BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
188 MAPIO(collie_map_io)
189 INITIRQ(sa1100_init_irq)
190 .timer = &sa1100_timer,
191 .init_machine = collie_init,
192MACHINE_END
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