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Diffstat (limited to 'arch/arm/mach-pxa/tosa.c')
-rw-r--r--arch/arm/mach-pxa/tosa.c152
1 files changed, 148 insertions, 4 deletions
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 400609f8b6a8..c312054dfb88 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -98,6 +98,9 @@ struct platform_device tosascoop_jc_device = {
98 .resource = tosa_scoop_jc_resources, 98 .resource = tosa_scoop_jc_resources,
99}; 99};
100 100
101/*
102 * PCMCIA
103 */
101static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = { 104static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
102{ 105{
103 .dev = &tosascoop_device.dev, 106 .dev = &tosascoop_device.dev,
@@ -111,16 +114,155 @@ static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
111}, 114},
112}; 115};
113 116
117static void tosa_pcmcia_init(void)
118{
119 /* Setup default state of GPIO outputs
120 before we enable them as outputs. */
121 GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
122 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
123 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
124 GPIO_bit(GPIO53_nPCE_2);
125
126 pxa_gpio_mode(GPIO48_nPOE_MD);
127 pxa_gpio_mode(GPIO49_nPWE_MD);
128 pxa_gpio_mode(GPIO50_nPIOR_MD);
129 pxa_gpio_mode(GPIO51_nPIOW_MD);
130 pxa_gpio_mode(GPIO55_nPREG_MD);
131 pxa_gpio_mode(GPIO56_nPWAIT_MD);
132 pxa_gpio_mode(GPIO57_nIOIS16_MD);
133 pxa_gpio_mode(GPIO52_nPCE_1_MD);
134 pxa_gpio_mode(GPIO53_nPCE_2_MD);
135 pxa_gpio_mode(GPIO54_pSKTSEL_MD);
136}
137
138static struct scoop_pcmcia_config tosa_pcmcia_config = {
139 .devs = &tosa_pcmcia_scoop[0],
140 .num_devs = 2,
141 .pcmcia_init = tosa_pcmcia_init,
142};
143
144/*
145 * USB Device Controller
146 */
147static void tosa_udc_command(int cmd)
148{
149 switch(cmd) {
150 case PXA2XX_UDC_CMD_CONNECT:
151 set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
152 break;
153 case PXA2XX_UDC_CMD_DISCONNECT:
154 reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
155 break;
156 }
157}
158
159static int tosa_udc_is_connected(void)
160{
161 return ((GPLR(TOSA_GPIO_USB_IN) & GPIO_bit(TOSA_GPIO_USB_IN)) == 0);
162}
163
164
165static struct pxa2xx_udc_mach_info udc_info __initdata = {
166 .udc_command = tosa_udc_command,
167 .udc_is_connected = tosa_udc_is_connected,
168};
169
170/*
171 * MMC/SD Device
172 */
173static struct pxamci_platform_data tosa_mci_platform_data;
174
175static int tosa_mci_init(struct device *dev, irqreturn_t (*tosa_detect_int)(int, void *, struct pt_regs *), void *data)
176{
177 int err;
178
179 /* setup GPIO for PXA25x MMC controller */
180 pxa_gpio_mode(GPIO6_MMCCLK_MD);
181 pxa_gpio_mode(GPIO8_MMCCS0_MD);
182 pxa_gpio_mode(TOSA_GPIO_nSD_DETECT | GPIO_IN);
183
184 tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
185
186 err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, SA_INTERRUPT,
187 "MMC/SD card detect", data);
188 if (err) {
189 printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
190 return -1;
191 }
192
193 set_irq_type(TOSA_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
194
195 return 0;
196}
197
198static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
199{
200 struct pxamci_platform_data* p_d = dev->platform_data;
201
202 if (( 1 << vdd) & p_d->ocr_mask) {
203 set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
204 } else {
205 reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
206 }
207}
208
209static int tosa_mci_get_ro(struct device *dev)
210{
211 return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP);
212}
213
214static void tosa_mci_exit(struct device *dev, void *data)
215{
216 free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
217}
218
219static struct pxamci_platform_data tosa_mci_platform_data = {
220 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
221 .init = tosa_mci_init,
222 .get_ro = tosa_mci_get_ro,
223 .setpower = tosa_mci_setpower,
224 .exit = tosa_mci_exit,
225};
226
227/*
228 * Irda
229 */
230static void tosa_irda_transceiver_mode(struct device *dev, int mode)
231{
232 if (mode & IR_OFF) {
233 reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
234 pxa_gpio_mode(GPIO47_STTXD|GPIO_DFLT_LOW);
235 pxa_gpio_mode(GPIO47_STTXD|GPIO_OUT);
236 } else {
237 pxa_gpio_mode(GPIO47_STTXD_MD);
238 set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
239 }
240}
241
242static struct pxaficp_platform_data tosa_ficp_platform_data = {
243 .transceiver_cap = IR_SIRMODE | IR_OFF,
244 .transceiver_mode = tosa_irda_transceiver_mode,
245};
246
247/*
248 * Tosa Keyboard
249 */
250static struct platform_device tosakbd_device = {
251 .name = "tosa-keyboard",
252 .id = -1,
253};
114 254
115static struct platform_device *devices[] __initdata = { 255static struct platform_device *devices[] __initdata = {
116 &tosascoop_device, 256 &tosascoop_device,
117 &tosascoop_jc_device, 257 &tosascoop_jc_device,
258 &tosakbd_device,
118}; 259};
119 260
120static void __init tosa_init(void) 261static void __init tosa_init(void)
121{ 262{
122 pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN); 263 pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN);
123 pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN); 264 pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN);
265 pxa_gpio_mode(TOSA_GPIO_USB_IN | GPIO_IN);
124 266
125 /* setup sleep mode values */ 267 /* setup sleep mode values */
126 PWER = 0x00000002; 268 PWER = 0x00000002;
@@ -131,13 +273,15 @@ static void __init tosa_init(void)
131 PGSR2 = 0x00014000; 273 PGSR2 = 0x00014000;
132 PCFR |= PCFR_OPDE; 274 PCFR |= PCFR_OPDE;
133 275
134 // enable batt_fault 276 /* enable batt_fault */
135 PMCR = 0x01; 277 PMCR = 0x01;
136 278
137 platform_add_devices(devices, ARRAY_SIZE(devices)); 279 pxa_set_mci_info(&tosa_mci_platform_data);
280 pxa_set_udc_info(&udc_info);
281 pxa_set_ficp_info(&tosa_ficp_platform_data);
282 platform_scoop_config = &tosa_pcmcia_config;
138 283
139 scoop_num = 2; 284 platform_add_devices(devices, ARRAY_SIZE(devices));
140 scoop_devs = &tosa_pcmcia_scoop[0];
141} 285}
142 286
143static void __init fixup_tosa(struct machine_desc *desc, 287static void __init fixup_tosa(struct machine_desc *desc,