[ARM] 2915/1: SA1100 Collie: Correct scoop device calls
[linux-3.10.git] / arch / arm / mach-sa1100 / collie.c
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
46 static struct resource collie_scoop_resources[] = {
47         [0] = {
48                 .start          = 0x40800000,
49                 .end            = 0x40800fff,
50                 .flags          = IORESOURCE_MEM,
51         },
52 };
53
54 static struct scoop_config collie_scoop_setup = {
55         .io_dir         = COLLIE_SCOOP_IO_DIR,
56         .io_out         = COLLIE_SCOOP_IO_OUT,
57 };
58
59 struct 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
70 static 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
83 static struct platform_device locomo_device = {
84         .name           = "locomo",
85         .id             = 0,
86         .num_resources  = ARRAY_SIZE(locomo_resources),
87         .resource       = locomo_resources,
88 };
89
90 static struct platform_device *devices[] __initdata = {
91         &locomo_device,
92         &colliescoop_device,
93 };
94
95 static 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
112 static void collie_set_vpp(int vpp)
113 {
114         write_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR, read_scoop_reg(SCOOP_GPCR) | COLLIE_SCP_VPEN);
115         if (vpp)
116                 write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(SCOOP_GPWR) | COLLIE_SCP_VPEN);
117         else
118                 write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(SCOOP_GPWR) & ~COLLIE_SCP_VPEN);
119 }
120
121 static struct flash_platform_data collie_flash_data = {
122         .map_name       = "cfi_probe",
123         .set_vpp        = collie_set_vpp,
124         .parts          = collie_partitions,
125         .nr_parts       = ARRAY_SIZE(collie_partitions),
126 };
127
128 static struct resource collie_flash_resources[] = {
129         {
130                 .start  = SA1100_CS0_PHYS,
131                 .end    = SA1100_CS0_PHYS + SZ_32M - 1,
132                 .flags  = IORESOURCE_MEM,
133         }
134 };
135
136 static void __init collie_init(void)
137 {
138         int ret = 0;
139
140         /* cpu initialize */
141         GAFR = ( GPIO_SSP_TXD | \
142                  GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | GPIO_TIC_ACK | \
143                  GPIO_32_768kHz );
144
145         GPDR = ( GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 | \
146                  GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD | \
147                  GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK | \
148                  GPIO_SDLC_AAF | GPIO_UART_SCLK1 | GPIO_32_768kHz );
149         GPLR = GPIO_GPIO18;
150
151         // PPC pin setting
152         PPDR = ( PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 | \
153                  PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS | \
154                  PPC_TXD1 | PPC_TXD2 | PPC_RXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM );
155
156         PSDR = ( PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4 );
157
158         GAFR |= GPIO_32_768kHz;
159         GPDR |= GPIO_32_768kHz;
160         TUCR  = TUCR_32_768kHz;
161
162         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
163         if (ret) {
164                 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
165         }
166
167         sa11x0_set_flash_data(&collie_flash_data, collie_flash_resources,
168                               ARRAY_SIZE(collie_flash_resources));
169
170         sharpsl_save_param();
171 }
172
173 static struct map_desc collie_io_desc[] __initdata = {
174         /* virtual     physical    length      type */
175         {0xe8000000, 0x00000000, 0x02000000, MT_DEVICE},        /* 32M main flash (cs0) */
176         {0xea000000, 0x08000000, 0x02000000, MT_DEVICE},        /* 32M boot flash (cs1) */
177 };
178
179 static void __init collie_map_io(void)
180 {
181         sa1100_map_io();
182         iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
183 }
184
185 MACHINE_START(COLLIE, "Sharp-Collie")
186         .phys_ram       = 0xc0000000,
187         .phys_io        = 0x80000000,
188         .io_pg_offst    = ((0xf8000000) >> 18) & 0xfffc,
189         .map_io         = collie_map_io,
190         .init_irq       = sa1100_init_irq,
191         .timer          = &sa1100_timer,
192         .init_machine   = collie_init,
193 MACHINE_END