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 * 2006 Pavel Machek <pavel@suse.cz>
15 * 03-06-2004 John Lenz <lenz@cs.wisc.edu>
16 * 06-04-2002 Chris Larson <kergoth@digitalnemesis.net>
17 * 04-16-2001 Lineo Japan,Inc. ...
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>
28 #include <linux/gpio.h>
30 #include <mach/hardware.h>
31 #include <asm/mach-types.h>
33 #include <asm/setup.h>
34 #include <mach/collie.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/flash.h>
38 #include <asm/mach/map.h>
39 #include <asm/mach/serial_sa1100.h>
41 #include <asm/hardware/scoop.h>
42 #include <asm/mach/sharpsl_param.h>
43 #include <asm/hardware/locomo.h>
48 static struct resource collie_scoop_resources[] = {
52 .flags = IORESOURCE_MEM,
56 static struct scoop_config collie_scoop_setup = {
57 .io_dir = COLLIE_SCOOP_IO_DIR,
58 .io_out = COLLIE_SCOOP_IO_OUT,
59 .gpio_base = COLLIE_SCOOP_GPIO_BASE,
62 struct platform_device colliescoop_device = {
63 .name = "sharp-scoop",
66 .platform_data = &collie_scoop_setup,
68 .num_resources = ARRAY_SIZE(collie_scoop_resources),
69 .resource = collie_scoop_resources,
72 static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
74 .dev = &colliescoop_device.dev,
75 .irq = COLLIE_IRQ_GPIO_CF_IRQ,
76 .cd_irq = COLLIE_IRQ_GPIO_CF_CD,
77 .cd_irq_str = "PCMCIA0 CD",
81 static struct scoop_pcmcia_config collie_pcmcia_config = {
82 .devs = &collie_pcmcia_scoop[0],
86 static struct mcp_plat_data collie_mcp_data = {
87 .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
91 #ifdef CONFIG_SHARP_LOCOMO
93 * low-level UART features.
95 struct platform_device collie_locomo_device;
97 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
99 if (mctrl & TIOCM_RTS)
100 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
102 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
104 if (mctrl & TIOCM_DTR)
105 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
107 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
110 static u_int collie_uart_get_mctrl(struct uart_port *port)
115 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
118 if (r & LOCOMO_GPIO_CTS)
120 if (r & LOCOMO_GPIO_DSR)
126 static struct sa1100_port_fns collie_port_fns __initdata = {
127 .set_mctrl = collie_uart_set_mctrl,
128 .get_mctrl = collie_uart_get_mctrl,
131 static int collie_uart_probe(struct locomo_dev *dev)
136 static int collie_uart_remove(struct locomo_dev *dev)
141 static struct locomo_driver collie_uart_driver = {
143 .name = "collie_uart",
145 .devid = LOCOMO_DEVID_UART,
146 .probe = collie_uart_probe,
147 .remove = collie_uart_remove,
150 static int __init collie_uart_init(void)
152 return locomo_driver_register(&collie_uart_driver);
154 device_initcall(collie_uart_init);
159 static struct resource locomo_resources[] = {
163 .flags = IORESOURCE_MEM,
168 .flags = IORESOURCE_IRQ,
172 struct platform_device collie_locomo_device = {
175 .num_resources = ARRAY_SIZE(locomo_resources),
176 .resource = locomo_resources,
179 static struct platform_device *devices[] __initdata = {
180 &collie_locomo_device,
184 static struct mtd_partition collie_partitions[] = {
186 .name = "bootloader",
189 .mask_flags = MTD_WRITEABLE
192 .offset = MTDPART_OFS_APPEND,
196 .offset = MTDPART_OFS_APPEND,
201 static int collie_flash_init(void)
203 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
207 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
209 gpio_free(COLLIE_GPIO_VPEN);
214 static void collie_set_vpp(int vpp)
216 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
219 static void collie_flash_exit(void)
221 gpio_free(COLLIE_GPIO_VPEN);
224 static struct flash_platform_data collie_flash_data = {
225 .map_name = "cfi_probe",
226 .init = collie_flash_init,
227 .set_vpp = collie_set_vpp,
228 .exit = collie_flash_exit,
229 .parts = collie_partitions,
230 .nr_parts = ARRAY_SIZE(collie_partitions),
233 static struct resource collie_flash_resources[] = {
235 .start = SA1100_CS0_PHYS,
236 .end = SA1100_CS0_PHYS + SZ_32M - 1,
237 .flags = IORESOURCE_MEM,
241 static void __init collie_init(void)
246 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
247 GPIO_MCP_CLK | GPIO_32_768kHz;
249 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
250 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
251 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
252 COLLIE_GPIO_UCB1x00_RESET | COLLIE_GPIO_nMIC_ON |
253 COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
255 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
256 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
257 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
259 PWER = COLLIE_GPIO_AC_IN | COLLIE_GPIO_CO | COLLIE_GPIO_ON_KEY |
260 COLLIE_GPIO_WAKEUP | COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
262 PGSR = COLLIE_GPIO_nREMOCON_ON;
264 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
269 platform_scoop_config = &collie_pcmcia_config;
271 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
273 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
276 sa11x0_set_flash_data(&collie_flash_data, collie_flash_resources,
277 ARRAY_SIZE(collie_flash_resources));
278 sa11x0_set_mcp_data(&collie_mcp_data);
280 sharpsl_save_param();
283 static struct map_desc collie_io_desc[] __initdata = {
284 { /* 32M main flash (cs0) */
285 .virtual = 0xe8000000,
286 .pfn = __phys_to_pfn(0x00000000),
287 .length = 0x02000000,
289 }, { /* 32M boot flash (cs1) */
290 .virtual = 0xea000000,
291 .pfn = __phys_to_pfn(0x08000000),
292 .length = 0x02000000,
297 static void __init collie_map_io(void)
300 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
302 #ifdef CONFIG_SHARP_LOCOMO
303 sa1100_register_uart_fns(&collie_port_fns);
305 sa1100_register_uart(0, 3);
306 sa1100_register_uart(1, 1);
309 MACHINE_START(COLLIE, "Sharp-Collie")
310 .phys_io = 0x80000000,
311 .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
312 .map_io = collie_map_io,
313 .init_irq = sa1100_init_irq,
314 .timer = &sa1100_timer,
315 .init_machine = collie_init,