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,
61 struct platform_device colliescoop_device = {
62 .name = "sharp-scoop",
65 .platform_data = &collie_scoop_setup,
67 .num_resources = ARRAY_SIZE(collie_scoop_resources),
68 .resource = collie_scoop_resources,
71 static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
73 .dev = &colliescoop_device.dev,
74 .irq = COLLIE_IRQ_GPIO_CF_IRQ,
75 .cd_irq = COLLIE_IRQ_GPIO_CF_CD,
76 .cd_irq_str = "PCMCIA0 CD",
80 static struct scoop_pcmcia_config collie_pcmcia_config = {
81 .devs = &collie_pcmcia_scoop[0],
85 static struct mcp_plat_data collie_mcp_data = {
86 .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
90 #ifdef CONFIG_SHARP_LOCOMO
92 * low-level UART features.
94 struct platform_device collie_locomo_device;
96 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
98 if (mctrl & TIOCM_RTS)
99 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
101 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
103 if (mctrl & TIOCM_DTR)
104 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
106 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
109 static u_int collie_uart_get_mctrl(struct uart_port *port)
114 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
117 if (r & LOCOMO_GPIO_CTS)
119 if (r & LOCOMO_GPIO_DSR)
125 static struct sa1100_port_fns collie_port_fns __initdata = {
126 .set_mctrl = collie_uart_set_mctrl,
127 .get_mctrl = collie_uart_get_mctrl,
130 static int collie_uart_probe(struct locomo_dev *dev)
135 static int collie_uart_remove(struct locomo_dev *dev)
140 static struct locomo_driver collie_uart_driver = {
142 .name = "collie_uart",
144 .devid = LOCOMO_DEVID_UART,
145 .probe = collie_uart_probe,
146 .remove = collie_uart_remove,
149 static int __init collie_uart_init(void)
151 return locomo_driver_register(&collie_uart_driver);
153 device_initcall(collie_uart_init);
158 static struct resource locomo_resources[] = {
162 .flags = IORESOURCE_MEM,
167 .flags = IORESOURCE_IRQ,
171 struct platform_device collie_locomo_device = {
174 .num_resources = ARRAY_SIZE(locomo_resources),
175 .resource = locomo_resources,
178 static struct platform_device *devices[] __initdata = {
179 &collie_locomo_device,
183 static struct mtd_partition collie_partitions[] = {
185 .name = "bootloader",
188 .mask_flags = MTD_WRITEABLE
191 .offset = MTDPART_OFS_APPEND,
195 .offset = MTDPART_OFS_APPEND,
200 static int collie_flash_init(void)
202 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
206 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
208 gpio_free(COLLIE_GPIO_VPEN);
213 static void collie_set_vpp(int vpp)
215 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
218 static void collie_flash_exit(void)
220 gpio_free(COLLIE_GPIO_VPEN);
223 static struct flash_platform_data collie_flash_data = {
224 .map_name = "cfi_probe",
225 .init = collie_flash_init,
226 .set_vpp = collie_set_vpp,
227 .exit = collie_flash_exit,
228 .parts = collie_partitions,
229 .nr_parts = ARRAY_SIZE(collie_partitions),
232 static struct resource collie_flash_resources[] = {
234 .start = SA1100_CS0_PHYS,
235 .end = SA1100_CS0_PHYS + SZ_32M - 1,
236 .flags = IORESOURCE_MEM,
240 static void __init collie_init(void)
245 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
246 GPIO_MCP_CLK | GPIO_32_768kHz;
248 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
249 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
250 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
251 COLLIE_GPIO_UCB1x00_RESET | COLLIE_GPIO_nMIC_ON |
252 COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
254 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
255 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
256 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
258 PWER = COLLIE_GPIO_AC_IN | COLLIE_GPIO_CO | COLLIE_GPIO_ON_KEY |
259 COLLIE_GPIO_WAKEUP | COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
261 PGSR = COLLIE_GPIO_nREMOCON_ON;
263 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
268 platform_scoop_config = &collie_pcmcia_config;
270 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
272 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
275 sa11x0_set_flash_data(&collie_flash_data, collie_flash_resources,
276 ARRAY_SIZE(collie_flash_resources));
277 sa11x0_set_mcp_data(&collie_mcp_data);
279 sharpsl_save_param();
282 static struct map_desc collie_io_desc[] __initdata = {
283 { /* 32M main flash (cs0) */
284 .virtual = 0xe8000000,
285 .pfn = __phys_to_pfn(0x00000000),
286 .length = 0x02000000,
288 }, { /* 32M boot flash (cs1) */
289 .virtual = 0xea000000,
290 .pfn = __phys_to_pfn(0x08000000),
291 .length = 0x02000000,
296 static void __init collie_map_io(void)
299 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
301 #ifdef CONFIG_SHARP_LOCOMO
302 sa1100_register_uart_fns(&collie_port_fns);
304 sa1100_register_uart(0, 3);
305 sa1100_register_uart(1, 1);
308 MACHINE_START(COLLIE, "Sharp-Collie")
309 .phys_io = 0x80000000,
310 .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
311 .map_io = collie_map_io,
312 .init_irq = sa1100_init_irq,
313 .timer = &sa1100_timer,
314 .init_machine = collie_init,