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/timer.h>
27 #include <asm/hardware.h>
28 #include <asm/mach-types.h>
30 #include <asm/setup.h>
31 #include <asm/arch/collie.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35 #include <asm/mach/serial_sa1100.h>
37 #include <asm/hardware/locomo.h>
41 static void __init scoop_init(void)
44 #define COLLIE_SCP_INIT_DATA(adr,dat) (((adr)<<16)|(dat))
45 #define COLLIE_SCP_INIT_DATA_END ((unsigned long)-1)
46 static const unsigned long scp_init[] = {
47 COLLIE_SCP_INIT_DATA(COLLIE_SCP_MCR, 0x0140), // 00
48 COLLIE_SCP_INIT_DATA(COLLIE_SCP_MCR, 0x0100),
49 COLLIE_SCP_INIT_DATA(COLLIE_SCP_CDR, 0x0000), // 04
50 COLLIE_SCP_INIT_DATA(COLLIE_SCP_CPR, 0x0000), // 0C
51 COLLIE_SCP_INIT_DATA(COLLIE_SCP_CCR, 0x0000), // 10
52 COLLIE_SCP_INIT_DATA(COLLIE_SCP_IMR, 0x0000), // 18
53 COLLIE_SCP_INIT_DATA(COLLIE_SCP_IRM, 0x00FF), // 14
54 COLLIE_SCP_INIT_DATA(COLLIE_SCP_ISR, 0x0000), // 1C
55 COLLIE_SCP_INIT_DATA(COLLIE_SCP_IRM, 0x0000),
56 COLLIE_SCP_INIT_DATA(COLLIE_SCP_GPCR, COLLIE_SCP_IO_DIR), // 20
57 COLLIE_SCP_INIT_DATA(COLLIE_SCP_GPWR, COLLIE_SCP_IO_OUT), // 24
58 COLLIE_SCP_INIT_DATA_END
61 for (i = 0; scp_init[i] != COLLIE_SCP_INIT_DATA_END; i++) {
62 int adr = scp_init[i] >> 16;
63 COLLIE_SCP_REG(adr) = scp_init[i] & 0xFFFF;
68 static struct resource locomo_resources[] = {
72 .flags = IORESOURCE_MEM,
77 .flags = IORESOURCE_IRQ,
81 static struct platform_device locomo_device = {
84 .num_resources = ARRAY_SIZE(locomo_resources),
85 .resource = locomo_resources,
88 static struct platform_device *devices[] __initdata = {
92 static void __init collie_init(void)
97 GAFR = ( GPIO_SSP_TXD | \
98 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | GPIO_TIC_ACK | \
101 GPDR = ( GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 | \
102 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD | \
103 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK | \
104 GPIO_SDLC_AAF | GPIO_UART_SCLK1 | GPIO_32_768kHz );
108 PPDR = ( PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 | \
109 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS | \
110 PPC_TXD1 | PPC_TXD2 | PPC_RXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM );
112 PSDR = ( PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4 );
114 GAFR |= GPIO_32_768kHz;
115 GPDR |= GPIO_32_768kHz;
116 TUCR = TUCR_32_768kHz;
120 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
122 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
126 static struct map_desc collie_io_desc[] __initdata = {
127 /* virtual physical length type */
128 {0xe8000000, 0x00000000, 0x02000000, MT_DEVICE}, /* 32M main flash (cs0) */
129 {0xea000000, 0x08000000, 0x02000000, MT_DEVICE}, /* 32M boot flash (cs1) */
130 {0xf0000000, 0x40000000, 0x01000000, MT_DEVICE}, /* 16M LOCOMO & SCOOP (cs4) */
133 static void __init collie_map_io(void)
136 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
139 MACHINE_START(COLLIE, "Sharp-Collie")
140 BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
142 INITIRQ(sa1100_init_irq)
143 INIT_MACHINE(collie_init)
144 INITTIME(sa1100_init_time)