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/platform_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/scoop.h>
41 #include <asm/mach/sharpsl_param.h>
42 #include <asm/hardware/locomo.h>
43 #include <asm/arch/mcp.h>
47 static struct resource collie_scoop_resources[] = {
51 .flags = IORESOURCE_MEM,
55 static struct scoop_config collie_scoop_setup = {
56 .io_dir = COLLIE_SCOOP_IO_DIR,
57 .io_out = COLLIE_SCOOP_IO_OUT,
60 struct platform_device colliescoop_device = {
61 .name = "sharp-scoop",
64 .platform_data = &collie_scoop_setup,
66 .num_resources = ARRAY_SIZE(collie_scoop_resources),
67 .resource = collie_scoop_resources,
70 static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
72 .dev = &colliescoop_device.dev,
73 .irq = COLLIE_IRQ_GPIO_CF_IRQ,
74 .cd_irq = COLLIE_IRQ_GPIO_CF_CD,
75 .cd_irq_str = "PCMCIA0 CD",
79 static struct scoop_pcmcia_config collie_pcmcia_config = {
80 .devs = &collie_pcmcia_scoop[0],
85 static struct mcp_plat_data collie_mcp_data = {
87 .sclk_rate = 11981000,
91 static struct sa1100_port_fns collie_port_fns __initdata = {
92 .set_mctrl = collie_uart_set_mctrl,
93 .get_mctrl = collie_uart_get_mctrl,
97 static struct resource locomo_resources[] = {
101 .flags = IORESOURCE_MEM,
106 .flags = IORESOURCE_IRQ,
110 static struct platform_device locomo_device = {
113 .num_resources = ARRAY_SIZE(locomo_resources),
114 .resource = locomo_resources,
117 static struct platform_device *devices[] __initdata = {
122 static struct mtd_partition collie_partitions[] = {
124 .name = "bootloader",
127 .mask_flags = MTD_WRITEABLE
130 .offset = MTDPART_OFS_APPEND,
134 .offset = MTDPART_OFS_APPEND,
139 static void collie_set_vpp(int vpp)
141 write_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR) | COLLIE_SCP_VPEN);
143 write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) | COLLIE_SCP_VPEN);
145 write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) & ~COLLIE_SCP_VPEN);
148 static struct flash_platform_data collie_flash_data = {
149 .map_name = "cfi_probe",
150 .set_vpp = collie_set_vpp,
151 .parts = collie_partitions,
152 .nr_parts = ARRAY_SIZE(collie_partitions),
155 static struct resource collie_flash_resources[] = {
157 .start = SA1100_CS0_PHYS,
158 .end = SA1100_CS0_PHYS + SZ_32M - 1,
159 .flags = IORESOURCE_MEM,
163 static void __init collie_init(void)
168 GAFR = ( GPIO_SSP_TXD | \
169 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | GPIO_TIC_ACK | \
172 GPDR = ( GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 | \
173 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD | \
174 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK | \
175 GPIO_SDLC_AAF | GPIO_UART_SCLK1 | GPIO_32_768kHz );
179 PPDR = ( PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 | \
180 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS | \
181 PPC_TXD1 | PPC_TXD2 | PPC_RXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM );
183 PSDR = ( PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4 );
185 GAFR |= GPIO_32_768kHz;
186 GPDR |= GPIO_32_768kHz;
187 TUCR = TUCR_32_768kHz;
189 platform_scoop_config = &collie_pcmcia_config;
191 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
193 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
196 sa11x0_set_flash_data(&collie_flash_data, collie_flash_resources,
197 ARRAY_SIZE(collie_flash_resources));
198 sa11x0_set_mcp_data(&collie_mcp_data);
200 sharpsl_save_param();
203 static struct map_desc collie_io_desc[] __initdata = {
204 { /* 32M main flash (cs0) */
205 .virtual = 0xe8000000,
206 .pfn = __phys_to_pfn(0x00000000),
207 .length = 0x02000000,
209 }, { /* 32M boot flash (cs1) */
210 .virtual = 0xea000000,
211 .pfn = __phys_to_pfn(0x08000000),
212 .length = 0x02000000,
217 static void __init collie_map_io(void)
220 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
223 MACHINE_START(COLLIE, "Sharp-Collie")
224 .phys_io = 0x80000000,
225 .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
226 .map_io = collie_map_io,
227 .init_irq = sa1100_init_irq,
228 .timer = &sa1100_timer,
229 .init_machine = collie_init,