2 * Support for Sharp SL-C6000x PDAs
5 * Copyright (c) 2005 Dirk Opfer
7 * Based on code written by Sharp/Lineo for 2.4 kernels
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.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/major.h>
20 #include <linux/interrupt.h>
21 #include <linux/mmc/host.h>
23 #include <linux/delay.h>
25 #include <asm/setup.h>
26 #include <asm/memory.h>
27 #include <asm/mach-types.h>
28 #include <asm/hardware.h>
30 #include <asm/system.h>
31 #include <asm/arch/pxa-regs.h>
32 #include <asm/arch/irda.h>
33 #include <asm/arch/mmc.h>
34 #include <asm/arch/udc.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
39 #include <asm/arch/tosa.h>
41 #include <asm/hardware/scoop.h>
42 #include <asm/mach/sharpsl_param.h>
50 static struct resource tosa_scoop_resources[] = {
52 .start = TOSA_CF_PHYS,
53 .end = TOSA_CF_PHYS + 0xfff,
54 .flags = IORESOURCE_MEM,
58 static struct scoop_config tosa_scoop_setup = {
59 .io_dir = TOSA_SCOOP_IO_DIR,
60 .io_out = TOSA_SCOOP_IO_OUT,
64 struct platform_device tosascoop_device = {
65 .name = "sharp-scoop",
68 .platform_data = &tosa_scoop_setup,
70 .num_resources = ARRAY_SIZE(tosa_scoop_resources),
71 .resource = tosa_scoop_resources,
78 static struct resource tosa_scoop_jc_resources[] = {
80 .start = TOSA_SCOOP_PHYS + 0x40,
81 .end = TOSA_SCOOP_PHYS + 0xfff,
82 .flags = IORESOURCE_MEM,
86 static struct scoop_config tosa_scoop_jc_setup = {
87 .io_dir = TOSA_SCOOP_JC_IO_DIR,
88 .io_out = TOSA_SCOOP_JC_IO_OUT,
91 struct platform_device tosascoop_jc_device = {
92 .name = "sharp-scoop",
95 .platform_data = &tosa_scoop_jc_setup,
96 .parent = &tosascoop_device.dev,
98 .num_resources = ARRAY_SIZE(tosa_scoop_jc_resources),
99 .resource = tosa_scoop_jc_resources,
105 static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
107 .dev = &tosascoop_device.dev,
108 .irq = TOSA_IRQ_GPIO_CF_IRQ,
109 .cd_irq = TOSA_IRQ_GPIO_CF_CD,
110 .cd_irq_str = "PCMCIA0 CD",
112 .dev = &tosascoop_jc_device.dev,
113 .irq = TOSA_IRQ_GPIO_JC_CF_IRQ,
118 static void tosa_pcmcia_init(void)
120 /* Setup default state of GPIO outputs
121 before we enable them as outputs. */
122 GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
123 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
124 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
125 GPIO_bit(GPIO53_nPCE_2);
127 pxa_gpio_mode(GPIO48_nPOE_MD);
128 pxa_gpio_mode(GPIO49_nPWE_MD);
129 pxa_gpio_mode(GPIO50_nPIOR_MD);
130 pxa_gpio_mode(GPIO51_nPIOW_MD);
131 pxa_gpio_mode(GPIO55_nPREG_MD);
132 pxa_gpio_mode(GPIO56_nPWAIT_MD);
133 pxa_gpio_mode(GPIO57_nIOIS16_MD);
134 pxa_gpio_mode(GPIO52_nPCE_1_MD);
135 pxa_gpio_mode(GPIO53_nPCE_2_MD);
136 pxa_gpio_mode(GPIO54_pSKTSEL_MD);
139 static struct scoop_pcmcia_config tosa_pcmcia_config = {
140 .devs = &tosa_pcmcia_scoop[0],
142 .pcmcia_init = tosa_pcmcia_init,
146 * USB Device Controller
148 static void tosa_udc_command(int cmd)
151 case PXA2XX_UDC_CMD_CONNECT:
152 set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
154 case PXA2XX_UDC_CMD_DISCONNECT:
155 reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
160 static int tosa_udc_is_connected(void)
162 return ((GPLR(TOSA_GPIO_USB_IN) & GPIO_bit(TOSA_GPIO_USB_IN)) == 0);
166 static struct pxa2xx_udc_mach_info udc_info __initdata = {
167 .udc_command = tosa_udc_command,
168 .udc_is_connected = tosa_udc_is_connected,
174 static struct pxamci_platform_data tosa_mci_platform_data;
176 static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data)
180 /* setup GPIO for PXA25x MMC controller */
181 pxa_gpio_mode(GPIO6_MMCCLK_MD);
182 pxa_gpio_mode(GPIO8_MMCCS0_MD);
183 pxa_gpio_mode(TOSA_GPIO_nSD_DETECT | GPIO_IN);
185 tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
187 err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, IRQF_DISABLED,
188 "MMC/SD card detect", data);
190 printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
194 set_irq_type(TOSA_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
199 static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
201 struct pxamci_platform_data* p_d = dev->platform_data;
203 if (( 1 << vdd) & p_d->ocr_mask) {
204 set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
206 reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
210 static int tosa_mci_get_ro(struct device *dev)
212 return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP);
215 static void tosa_mci_exit(struct device *dev, void *data)
217 free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
220 static struct pxamci_platform_data tosa_mci_platform_data = {
221 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
222 .init = tosa_mci_init,
223 .get_ro = tosa_mci_get_ro,
224 .setpower = tosa_mci_setpower,
225 .exit = tosa_mci_exit,
231 static void tosa_irda_transceiver_mode(struct device *dev, int mode)
234 reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
235 pxa_gpio_mode(GPIO47_STTXD|GPIO_DFLT_LOW);
236 pxa_gpio_mode(GPIO47_STTXD|GPIO_OUT);
238 pxa_gpio_mode(GPIO47_STTXD_MD);
239 set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
243 static struct pxaficp_platform_data tosa_ficp_platform_data = {
244 .transceiver_cap = IR_SIRMODE | IR_OFF,
245 .transceiver_mode = tosa_irda_transceiver_mode,
251 static struct platform_device tosakbd_device = {
252 .name = "tosa-keyboard",
259 static struct platform_device tosaled_device = {
264 static struct platform_device *devices[] __initdata = {
266 &tosascoop_jc_device,
271 static void tosa_poweroff(void)
273 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
275 pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_OUT);
276 GPSR(TOSA_GPIO_ON_RESET) = GPIO_bit(TOSA_GPIO_ON_RESET);
279 arm_machine_restart('h');
282 static void tosa_restart(char mode)
284 /* Bootloader magic for a reboot */
285 if((MSC0 & 0xffff0000) == 0x7ff00000)
286 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
291 static void __init tosa_init(void)
293 pm_power_off = tosa_poweroff;
294 arm_pm_restart = tosa_restart;
296 pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN);
297 pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN);
298 pxa_gpio_mode(TOSA_GPIO_USB_IN | GPIO_IN);
300 /* setup sleep mode values */
309 /* enable batt_fault */
312 pxa_set_mci_info(&tosa_mci_platform_data);
313 pxa_set_udc_info(&udc_info);
314 pxa_set_ficp_info(&tosa_ficp_platform_data);
315 platform_scoop_config = &tosa_pcmcia_config;
317 platform_add_devices(devices, ARRAY_SIZE(devices));
320 static void __init fixup_tosa(struct machine_desc *desc,
321 struct tag *tags, char **cmdline, struct meminfo *mi)
323 sharpsl_save_param();
325 mi->bank[0].start = 0xa0000000;
326 mi->bank[0].node = 0;
327 mi->bank[0].size = (64*1024*1024);
330 MACHINE_START(TOSA, "SHARP Tosa")
331 .phys_io = 0x40000000,
332 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
334 .map_io = pxa_map_io,
335 .init_irq = pxa_init_irq,
336 .init_machine = tosa_init,