Dirk Opfer | 8459c15 | 2005-11-06 14:27:52 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Support for Sharp SL-C6000x PDAs |
| 3 | * Model: (Tosa) |
| 4 | * |
| 5 | * Copyright (c) 2005 Dirk Opfer |
| 6 | * |
| 7 | * Based on code written by Sharp/Lineo for 2.4 kernels |
| 8 | * |
| 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. |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/device.h> |
| 18 | #include <linux/major.h> |
| 19 | #include <linux/fs.h> |
| 20 | #include <linux/interrupt.h> |
| 21 | #include <linux/mmc/host.h> |
| 22 | |
| 23 | #include <asm/setup.h> |
| 24 | #include <asm/memory.h> |
| 25 | #include <asm/mach-types.h> |
| 26 | #include <asm/hardware.h> |
| 27 | #include <asm/irq.h> |
| 28 | #include <asm/arch/irda.h> |
| 29 | #include <asm/arch/mmc.h> |
| 30 | #include <asm/arch/udc.h> |
| 31 | |
| 32 | #include <asm/mach/arch.h> |
| 33 | #include <asm/mach/map.h> |
| 34 | #include <asm/mach/irq.h> |
| 35 | |
| 36 | #include <asm/arch/pxa-regs.h> |
| 37 | #include <asm/arch/irq.h> |
| 38 | #include <asm/arch/tosa.h> |
| 39 | |
| 40 | #include <asm/hardware/scoop.h> |
| 41 | #include <asm/mach/sharpsl_param.h> |
| 42 | |
| 43 | #include "generic.h" |
| 44 | |
| 45 | |
| 46 | /* |
| 47 | * SCOOP Device |
| 48 | */ |
| 49 | static struct resource tosa_scoop_resources[] = { |
| 50 | [0] = { |
| 51 | .start = TOSA_CF_PHYS, |
| 52 | .end = TOSA_CF_PHYS + 0xfff, |
| 53 | .flags = IORESOURCE_MEM, |
| 54 | }, |
| 55 | }; |
| 56 | |
| 57 | static struct scoop_config tosa_scoop_setup = { |
| 58 | .io_dir = TOSA_SCOOP_IO_DIR, |
| 59 | .io_out = TOSA_SCOOP_IO_OUT, |
| 60 | |
| 61 | }; |
| 62 | |
| 63 | struct platform_device tosascoop_device = { |
| 64 | .name = "sharp-scoop", |
| 65 | .id = 0, |
| 66 | .dev = { |
| 67 | .platform_data = &tosa_scoop_setup, |
| 68 | }, |
| 69 | .num_resources = ARRAY_SIZE(tosa_scoop_resources), |
| 70 | .resource = tosa_scoop_resources, |
| 71 | }; |
| 72 | |
| 73 | |
| 74 | /* |
| 75 | * SCOOP Device Jacket |
| 76 | */ |
| 77 | static struct resource tosa_scoop_jc_resources[] = { |
| 78 | [0] = { |
| 79 | .start = TOSA_SCOOP_PHYS + 0x40, |
| 80 | .end = TOSA_SCOOP_PHYS + 0xfff, |
| 81 | .flags = IORESOURCE_MEM, |
| 82 | }, |
| 83 | }; |
| 84 | |
| 85 | static struct scoop_config tosa_scoop_jc_setup = { |
| 86 | .io_dir = TOSA_SCOOP_JC_IO_DIR, |
| 87 | .io_out = TOSA_SCOOP_JC_IO_OUT, |
| 88 | }; |
| 89 | |
| 90 | struct platform_device tosascoop_jc_device = { |
| 91 | .name = "sharp-scoop", |
| 92 | .id = 1, |
| 93 | .dev = { |
| 94 | .platform_data = &tosa_scoop_jc_setup, |
| 95 | .parent = &tosascoop_device.dev, |
| 96 | }, |
| 97 | .num_resources = ARRAY_SIZE(tosa_scoop_jc_resources), |
| 98 | .resource = tosa_scoop_jc_resources, |
| 99 | }; |
| 100 | |
| 101 | static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = { |
| 102 | { |
| 103 | .dev = &tosascoop_device.dev, |
| 104 | .irq = TOSA_IRQ_GPIO_CF_IRQ, |
| 105 | .cd_irq = TOSA_IRQ_GPIO_CF_CD, |
| 106 | .cd_irq_str = "PCMCIA0 CD", |
| 107 | },{ |
| 108 | .dev = &tosascoop_jc_device.dev, |
| 109 | .irq = TOSA_IRQ_GPIO_JC_CF_IRQ, |
| 110 | .cd_irq = -1, |
| 111 | }, |
| 112 | }; |
| 113 | |
Dirk Opfer | a93876c | 2005-11-08 19:15:30 +0000 | [diff] [blame^] | 114 | /* |
| 115 | * USB Device Controller |
| 116 | */ |
| 117 | static void tosa_udc_command(int cmd) |
| 118 | { |
| 119 | switch(cmd) { |
| 120 | case PXA2XX_UDC_CMD_CONNECT: |
| 121 | set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP); |
| 122 | break; |
| 123 | case PXA2XX_UDC_CMD_DISCONNECT: |
| 124 | reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP); |
| 125 | break; |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | static int tosa_udc_is_connected(void) |
| 130 | { |
| 131 | return ((GPLR(TOSA_GPIO_USB_IN) & GPIO_bit(TOSA_GPIO_USB_IN)) == 0); |
| 132 | } |
| 133 | |
| 134 | |
| 135 | static struct pxa2xx_udc_mach_info udc_info __initdata = { |
| 136 | .udc_command = tosa_udc_command, |
| 137 | .udc_is_connected = tosa_udc_is_connected, |
| 138 | }; |
| 139 | |
| 140 | /* |
| 141 | * MMC/SD Device |
| 142 | */ |
| 143 | static struct pxamci_platform_data tosa_mci_platform_data; |
| 144 | |
| 145 | static int tosa_mci_init(struct device *dev, irqreturn_t (*tosa_detect_int)(int, void *, struct pt_regs *), void *data) |
| 146 | { |
| 147 | int err; |
| 148 | |
| 149 | /* setup GPIO for PXA25x MMC controller */ |
| 150 | pxa_gpio_mode(GPIO6_MMCCLK_MD); |
| 151 | pxa_gpio_mode(GPIO8_MMCCS0_MD); |
| 152 | pxa_gpio_mode(TOSA_GPIO_nSD_DETECT | GPIO_IN); |
| 153 | |
| 154 | tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250); |
| 155 | |
| 156 | err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, SA_INTERRUPT, |
| 157 | "MMC/SD card detect", data); |
| 158 | if (err) { |
| 159 | printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); |
| 160 | return -1; |
| 161 | } |
| 162 | |
| 163 | set_irq_type(TOSA_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE); |
| 164 | |
| 165 | return 0; |
| 166 | } |
| 167 | |
| 168 | static void tosa_mci_setpower(struct device *dev, unsigned int vdd) |
| 169 | { |
| 170 | struct pxamci_platform_data* p_d = dev->platform_data; |
| 171 | |
| 172 | if (( 1 << vdd) & p_d->ocr_mask) { |
| 173 | set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON); |
| 174 | } else { |
| 175 | reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON); |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | static int tosa_mci_get_ro(struct device *dev) |
| 180 | { |
| 181 | return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP); |
| 182 | } |
| 183 | |
| 184 | static void tosa_mci_exit(struct device *dev, void *data) |
| 185 | { |
| 186 | free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data); |
| 187 | } |
| 188 | |
| 189 | static struct pxamci_platform_data tosa_mci_platform_data = { |
| 190 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
| 191 | .init = tosa_mci_init, |
| 192 | .get_ro = tosa_mci_get_ro, |
| 193 | .setpower = tosa_mci_setpower, |
| 194 | .exit = tosa_mci_exit, |
| 195 | }; |
| 196 | |
| 197 | /* |
| 198 | * Irda |
| 199 | */ |
| 200 | static void tosa_irda_transceiver_mode(struct device *dev, int mode) |
| 201 | { |
| 202 | if (mode & IR_OFF) { |
| 203 | reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN); |
| 204 | pxa_gpio_mode(GPIO47_STTXD|GPIO_DFLT_LOW); |
| 205 | pxa_gpio_mode(GPIO47_STTXD|GPIO_OUT); |
| 206 | } else { |
| 207 | pxa_gpio_mode(GPIO47_STTXD_MD); |
| 208 | set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN); |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | static struct pxaficp_platform_data tosa_ficp_platform_data = { |
| 213 | .transceiver_cap = IR_SIRMODE | IR_OFF, |
| 214 | .transceiver_mode = tosa_irda_transceiver_mode, |
| 215 | }; |
| 216 | |
| 217 | /* |
| 218 | * Tosa Keyboard |
| 219 | */ |
| 220 | static struct platform_device tosakbd_device = { |
| 221 | .name = "tosa-keyboard", |
| 222 | .id = -1, |
| 223 | }; |
Dirk Opfer | 8459c15 | 2005-11-06 14:27:52 +0000 | [diff] [blame] | 224 | |
| 225 | static struct platform_device *devices[] __initdata = { |
| 226 | &tosascoop_device, |
| 227 | &tosascoop_jc_device, |
Dirk Opfer | a93876c | 2005-11-08 19:15:30 +0000 | [diff] [blame^] | 228 | &tosakbd_device, |
Dirk Opfer | 8459c15 | 2005-11-06 14:27:52 +0000 | [diff] [blame] | 229 | }; |
| 230 | |
| 231 | static void __init tosa_init(void) |
| 232 | { |
| 233 | pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN); |
| 234 | pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN); |
Dirk Opfer | a93876c | 2005-11-08 19:15:30 +0000 | [diff] [blame^] | 235 | pxa_gpio_mode(TOSA_GPIO_USB_IN | GPIO_IN); |
Dirk Opfer | 8459c15 | 2005-11-06 14:27:52 +0000 | [diff] [blame] | 236 | |
| 237 | /* setup sleep mode values */ |
| 238 | PWER = 0x00000002; |
| 239 | PFER = 0x00000000; |
| 240 | PRER = 0x00000002; |
| 241 | PGSR0 = 0x00000000; |
| 242 | PGSR1 = 0x00FF0002; |
| 243 | PGSR2 = 0x00014000; |
| 244 | PCFR |= PCFR_OPDE; |
| 245 | |
Dirk Opfer | a93876c | 2005-11-08 19:15:30 +0000 | [diff] [blame^] | 246 | /* enable batt_fault */ |
Dirk Opfer | 8459c15 | 2005-11-06 14:27:52 +0000 | [diff] [blame] | 247 | PMCR = 0x01; |
| 248 | |
Dirk Opfer | a93876c | 2005-11-08 19:15:30 +0000 | [diff] [blame^] | 249 | pxa_set_mci_info(&tosa_mci_platform_data); |
| 250 | pxa_set_udc_info(&udc_info); |
| 251 | pxa_set_ficp_info(&tosa_ficp_platform_data); |
Dirk Opfer | 8459c15 | 2005-11-06 14:27:52 +0000 | [diff] [blame] | 252 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 253 | |
| 254 | scoop_num = 2; |
| 255 | scoop_devs = &tosa_pcmcia_scoop[0]; |
| 256 | } |
| 257 | |
| 258 | static void __init fixup_tosa(struct machine_desc *desc, |
| 259 | struct tag *tags, char **cmdline, struct meminfo *mi) |
| 260 | { |
| 261 | sharpsl_save_param(); |
| 262 | mi->nr_banks=1; |
| 263 | mi->bank[0].start = 0xa0000000; |
| 264 | mi->bank[0].node = 0; |
| 265 | mi->bank[0].size = (64*1024*1024); |
| 266 | } |
| 267 | |
| 268 | MACHINE_START(TOSA, "SHARP Tosa") |
| 269 | .phys_ram = 0xa0000000, |
| 270 | .phys_io = 0x40000000, |
| 271 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| 272 | .fixup = fixup_tosa, |
| 273 | .map_io = pxa_map_io, |
| 274 | .init_irq = pxa_init_irq, |
| 275 | .init_machine = tosa_init, |
| 276 | .timer = &pxa_timer, |
| 277 | MACHINE_END |