arch/arm/mach-pxa/htcbeetles/htcbeetles.c

   1 /*
   2  * linux/arch/arm/mach-pxa/htcbeetles/htcbeetles.c
   3  *
   4  *  Support for the Intel XScale based Palm PDAs. Only the LifeDrive is
   5  *  supported at the moment.
   6  *
   7  *  Author: Alex Osborne <bobofdoom@gmail.com>
   8  *
   9  *  USB stubs based on aximx30.c (Michael Opdenacker)
  10  *
  11  */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/fb.h>
  16 #include <linux/platform_device.h>
  17
  18 #include <asm/mach-types.h>
  19 #include <asm/mach/arch.h>
  20
  21 #include <asm/arch/hardware.h>
  22 #include <asm/arch/pxafb.h>
  23 #include <asm/arch/pxa-regs.h>
  24 #include <asm/arch/udc.h>
  25
  26 #include <asm/arch/htcbeetles-gpio.h>
  27 #include <asm/arch/htcbeetles-asic.h>
  28
  29 #include <asm/hardware/ipaq-asic3.h>
  30 #include <linux/soc/asic3_base.h>
  31
  32 #include "../generic.h"
  33
  34 static struct pxafb_mach_info htcbeetles_lcd __initdata = {
  35         .pixclock               = 480769, // LCCR4 bit is set!
  36         .xres                   = 240,
  37         .yres                   = 240,
  38         .bpp                    = 16,
  39         .hsync_len              = 4,
  40         .vsync_len              = 2,
  41         .left_margin            = 12,
  42         .right_margin           = 8,
  43         .upper_margin           = 3,
  44         .lower_margin           = 3,
  45
  46 //      .sync                   = FB_SYNC_HOR_LOW_ACT|FB_SYNC_VERT_LOW_ACT,
  47
  48         /* fixme: this is a hack, use constants instead. */
  49         .lccr0                  = 0x042000b1,
  50         .lccr3                  = 0x04700019,
  51
  52 };
  53
  54 static struct platform_device htcbeetles_udc       = { .name = "htcbeetles_udc", };
  55
  56 static struct platform_device *htcbeetles_asic3_devices[] __initdata = {
  57 //      &htcbeetles_lcd,
  58         &htcbeetles_udc,
  59 };
  60
  61 static struct asic3_platform_data htcbeetles_asic3_platform_data = {
  62
  63    /*
  64     * These registers are configured as they are on Wince.
  65     */
  66         .gpio_a = {
  67                 .dir            = 0xbfff,
  68                 .init           = 0xc0a5,
  69                 .sleep_out      = 0x0000,
  70                 .batt_fault_out = 0x0000,
  71                 .alt_function   = 0x6000, //
  72                 .sleep_conf     = 0x000c,
  73         },
  74         .gpio_b = {
  75                 .dir            = 0xe008,
  76                 .init           = 0xd347,
  77                 .sleep_out      = 0x0000,
  78                 .batt_fault_out = 0x0000,
  79                 .alt_function   = 0x0000, //
  80                 .sleep_conf     = 0x000c,
  81         },
  82         .gpio_c = {
  83                 .dir            = 0xfff7,
  84                 .init           = 0xb640,
  85                 .sleep_out      = 0x0000,
  86                 .batt_fault_out = 0x0000,
  87                 .alt_function   = 0x003b, // GPIOC_LED_RED | GPIOC_LED_GREEN | GPIOC_LED_BLUE
  88                 .sleep_conf     = 0x000c,
  89         },
  90         .gpio_d = {
  91                 .dir            = 0xffff,
  92                 .init           = 0x2330,
  93                 .sleep_out      = 0x0000,
  94                 .batt_fault_out = 0x0000,
  95                 .alt_function   = 0x0000, //
  96                 .sleep_conf     = 0x0008,
  97         },
  98         .bus_shift = 1,
  99
 100         .child_platform_devs     = htcbeetles_asic3_devices,
 101         .num_child_platform_devs = ARRAY_SIZE(htcbeetles_asic3_devices),
 102 };
 103
 104 static struct resource htcbeetles_asic3_resources[] = {
 105         [0] = {
 106                 .start  = HTCBEETLES_ASIC3_GPIO_PHYS,
 107                 .end    = HTCBEETLES_ASIC3_GPIO_PHYS + IPAQ_ASIC3_MAP_SIZE,
 108                 .flags  = IORESOURCE_MEM,
 109         },
 110         [1] = {
 111                 .start  = HTCBEETLES_IRQ(ASIC3_EXT_INT),
 112                 .end    = HTCBEETLES_IRQ(ASIC3_EXT_INT),
 113                 .flags  = IORESOURCE_IRQ,
 114         },
 115         [2] = {
 116                 .start  = HTCBEETLES_ASIC3_MMC_PHYS,
 117                 .end    = HTCBEETLES_ASIC3_MMC_PHYS + IPAQ_ASIC3_MAP_SIZE,
 118                 .flags  = IORESOURCE_MEM,
 119         },
 120         [3] = {
 121                 .start  = HTCBEETLES_IRQ(ASIC3_SDIO_INT_N),
 122                 .flags  = IORESOURCE_IRQ,
 123         },
 124 };
 125
 126 struct platform_device htcbeetles_asic3 = {
 127         .name           = "asic3",
 128         .id             = 0,
 129         .num_resources  = ARRAY_SIZE(htcbeetles_asic3_resources),
 130         .resource       = htcbeetles_asic3_resources,
 131         .dev = { .platform_data = &htcbeetles_asic3_platform_data, },
 132 };
 133 EXPORT_SYMBOL(htcbeetles_asic3);
 134
 135 static struct platform_device *devices[] __initdata = {
 136         &htcbeetles_asic3,
 137 };
 138
 139 #if 0
 140 /****************************************************************
 141  * USB client controller
 142  ****************************************************************/
 143
 144 static void udc_command(int cmd)
 145 {
 146         switch (cmd)
 147         {
 148                 case PXA2XX_UDC_CMD_DISCONNECT:
 149                         printk(KERN_NOTICE "USB cmd disconnect\n");
 150 //                        GPSR_BIT(GPIO_NR_HTCAPACHE_USB);
 151                         break;
 152                 case PXA2XX_UDC_CMD_CONNECT:
 153                         printk(KERN_NOTICE "USB cmd connect\n");
 154 //                        GPCR_BIT(GPIO_NR_HTCAPACHE_USB);
 155                         break;
 156         }
 157 }
 158
 159 static struct pxa2xx_udc_mach_info htcbeetles_udc_mach_info = {
 160         .udc_command      = udc_command,
 161 };
 162 #endif
 163
 164 static void __init htcbeetles_init(void)
 165 {
 166         set_pxa_fb_info( &htcbeetles_lcd );
 167
 168         platform_device_register(&htcbeetles_asic3);
 169 //      platform_add_devices( devices, ARRAY_SIZE(devices) );
 170 //      pxa_set_udc_info( &htcbeetles_udc_mach_info );
 171 }
 172
 173 MACHINE_START(HTCBEETLES, "HTC Beetles")
 174         .phys_io        = 0x40000000,
 175         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 176         .boot_params    = 0xa0000100,
 177         .map_io         = pxa_map_io,
 178         .init_irq       = pxa_init_irq,
 179         .timer          = &pxa_timer,
 180         .init_machine   = htcbeetles_init,
 181 MACHINE_END
 182