2 * linux/arch/arm/mach-sa1100/collie.c
4 * May be copied or modified under the terms of the GNU General Public
5 * License. See linux/COPYING for more information.
7 * This file contains all Collie-specific tweaks.
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.
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. ...
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>
29 #include <asm/hardware.h>
30 #include <asm/mach-types.h>
32 #include <asm/setup.h>
33 #include <asm/arch/collie.h>
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>
40 #include <asm/hardware/locomo.h>
44 static void __init scoop_init(void)
47 #define COLLIE_SCP_INIT_DATA(adr,dat) (((adr)<<16)|(dat))
48 #define COLLIE_SCP_INIT_DATA_END ((unsigned long)-1)
49 static const unsigned long scp_init[] = {
50 COLLIE_SCP_INIT_DATA(COLLIE_SCP_MCR, 0x0140), // 00
51 COLLIE_SCP_INIT_DATA(COLLIE_SCP_MCR, 0x0100),
52 COLLIE_SCP_INIT_DATA(COLLIE_SCP_CDR, 0x0000), // 04
53 COLLIE_SCP_INIT_DATA(COLLIE_SCP_CPR, 0x0000), // 0C
54 COLLIE_SCP_INIT_DATA(COLLIE_SCP_CCR, 0x0000), // 10
55 COLLIE_SCP_INIT_DATA(COLLIE_SCP_IMR, 0x0000), // 18
56 COLLIE_SCP_INIT_DATA(COLLIE_SCP_IRM, 0x00FF), // 14
57 COLLIE_SCP_INIT_DATA(COLLIE_SCP_ISR, 0x0000), // 1C
58 COLLIE_SCP_INIT_DATA(COLLIE_SCP_IRM, 0x0000),
59 COLLIE_SCP_INIT_DATA(COLLIE_SCP_GPCR, COLLIE_SCP_IO_DIR), // 20
60 COLLIE_SCP_INIT_DATA(COLLIE_SCP_GPWR, COLLIE_SCP_IO_OUT), // 24
61 COLLIE_SCP_INIT_DATA_END
64 for (i = 0; scp_init[i] != COLLIE_SCP_INIT_DATA_END; i++) {
65 int adr = scp_init[i] >> 16;
66 COLLIE_SCP_REG(adr) = scp_init[i] & 0xFFFF;
71 static struct resource locomo_resources[] = {
75 .flags = IORESOURCE_MEM,
80 .flags = IORESOURCE_IRQ,
84 static struct platform_device locomo_device = {
87 .num_resources = ARRAY_SIZE(locomo_resources),
88 .resource = locomo_resources,
91 static struct platform_device *devices[] __initdata = {
95 static struct mtd_partition collie_partitions[] = {
100 .mask_flags = MTD_WRITEABLE
103 .offset = MTDPART_OFS_APPEND,
107 .offset = MTDPART_OFS_APPEND,
112 static void collie_set_vpp(int vpp)
114 COLLIE_SCP_REG_GPCR |= COLLIE_SCP_VPEN;
116 COLLIE_SCP_REG_GPWR |= COLLIE_SCP_VPEN;
118 COLLIE_SCP_REG_GPWR &= ~COLLIE_SCP_VPEN;
122 static 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),
129 static struct resource collie_flash_resources[] = {
131 .start = SA1100_CS0_PHYS,
132 .end = SA1100_CS0_PHYS + SZ_32M - 1,
133 .flags = IORESOURCE_MEM,
137 static void __init collie_init(void)
142 GAFR = ( GPIO_SSP_TXD | \
143 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | GPIO_TIC_ACK | \
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 );
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 );
157 PSDR = ( PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4 );
159 GAFR |= GPIO_32_768kHz;
160 GPDR |= GPIO_32_768kHz;
161 TUCR = TUCR_32_768kHz;
165 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
167 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
170 sa11x0_set_flash_data(&collie_flash_data, collie_flash_resources,
171 ARRAY_SIZE(collie_flash_resources));
174 static 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 {0xf0000000, 0x40000000, 0x01000000, MT_DEVICE}, /* 16M LOCOMO & SCOOP (cs4) */
181 static void __init collie_map_io(void)
184 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
187 MACHINE_START(COLLIE, "Sharp-Collie")
188 BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
190 INITIRQ(sa1100_init_irq)
191 .timer = &sa1100_timer,
192 .init_machine = collie_init,