fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / arch / arm / mach-pxa / mainstone.c
index 663c1ee..56d94d8 100644 (file)
  */
 
 #include <linux/init.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/sysdev.h>
 #include <linux/interrupt.h>
 #include <linux/sched.h>
 #include <linux/bitops.h>
+#include <linux/fb.h>
+#include <linux/ioport.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
 
 #include <asm/types.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 #include <asm/hardware.h>
 #include <asm/irq.h>
+#include <asm/sizes.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/irq.h>
+#include <asm/mach/flash.h>
 
+#include <asm/arch/pxa-regs.h>
 #include <asm/arch/mainstone.h>
+#include <asm/arch/audio.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/irda.h>
+#include <asm/arch/ohci.h>
 
 #include "generic.h"
 
@@ -51,15 +64,14 @@ static void mainstone_unmask_irq(unsigned int irq)
        MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
 }
 
-static struct irqchip mainstone_irq_chip = {
+static struct irq_chip mainstone_irq_chip = {
+       .name           = "FPGA",
        .ack            = mainstone_mask_irq,
        .mask           = mainstone_mask_irq,
        .unmask         = mainstone_unmask_irq,
 };
 
-
-static void mainstone_irq_handler(unsigned int irq, struct irqdesc *desc,
-                                 struct pt_regs *regs)
+static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
        unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
        do {
@@ -67,7 +79,7 @@ static void mainstone_irq_handler(unsigned int irq, struct irqdesc *desc,
                if (likely(pending)) {
                        irq = MAINSTONE_IRQ(0) + __ffs(pending);
                        desc = irq_desc + irq;
-                       desc->handle(irq, desc, regs);
+                       desc_handle_irq(irq, desc);
                }
                pending = MST_INTSETCLR & mainstone_irq_enabled;
        } while (pending);
@@ -82,8 +94,11 @@ static void __init mainstone_init_irq(void)
        /* setup extra Mainstone irqs */
        for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
                set_irq_chip(irq, &mainstone_irq_chip);
-               set_irq_handler(irq, do_level_IRQ);
-               set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+               set_irq_handler(irq, handle_level_irq);
+               if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
+                       set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
+               else
+                       set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
        }
        set_irq_flags(MAINSTONE_IRQ(8), 0);
        set_irq_flags(MAINSTONE_IRQ(12), 0);
@@ -95,6 +110,35 @@ static void __init mainstone_init_irq(void)
        set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
 }
 
+#ifdef CONFIG_PM
+
+static int mainstone_irq_resume(struct sys_device *dev)
+{
+       MST_INTMSKENA = mainstone_irq_enabled;
+       return 0;
+}
+
+static struct sysdev_class mainstone_irq_sysclass = {
+       set_kset_name("cpld_irq"),
+       .resume = mainstone_irq_resume,
+};
+
+static struct sys_device mainstone_irq_device = {
+       .cls = &mainstone_irq_sysclass,
+};
+
+static int __init mainstone_irq_device_init(void)
+{
+       int ret = sysdev_class_register(&mainstone_irq_sysclass);
+       if (ret == 0)
+               ret = sysdev_register(&mainstone_irq_device);
+       return ret;
+}
+
+device_initcall(mainstone_irq_device_init);
+
+#endif
+
 
 static struct resource smc91x_resources[] = {
        [0] = {
@@ -116,26 +160,346 @@ static struct platform_device smc91x_device = {
        .resource       = smc91x_resources,
 };
 
+static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
+{
+       if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+               MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
+       return 0;
+}
+
+static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
+{
+       if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+               MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
+}
+
+static long mst_audio_suspend_mask;
+
+static void mst_audio_suspend(void *priv)
+{
+       mst_audio_suspend_mask = MST_MSCWR2;
+       MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
+}
+
+static void mst_audio_resume(void *priv)
+{
+       MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
+}
+
+static pxa2xx_audio_ops_t mst_audio_ops = {
+       .startup        = mst_audio_startup,
+       .shutdown       = mst_audio_shutdown,
+       .suspend        = mst_audio_suspend,
+       .resume         = mst_audio_resume,
+};
+
+static struct platform_device mst_audio_device = {
+       .name           = "pxa2xx-ac97",
+       .id             = -1,
+       .dev            = { .platform_data = &mst_audio_ops },
+};
+
+static struct resource flash_resources[] = {
+       [0] = {
+               .start  = PXA_CS0_PHYS,
+               .end    = PXA_CS0_PHYS + SZ_64M - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = PXA_CS1_PHYS,
+               .end    = PXA_CS1_PHYS + SZ_64M - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+};
+
+static struct mtd_partition mainstoneflash0_partitions[] = {
+       {
+               .name =         "Bootloader",
+               .size =         0x00040000,
+               .offset =       0,
+               .mask_flags =   MTD_WRITEABLE  /* force read-only */
+       },{
+               .name =         "Kernel",
+               .size =         0x00400000,
+               .offset =       0x00040000,
+       },{
+               .name =         "Filesystem",
+               .size =         MTDPART_SIZ_FULL,
+               .offset =       0x00440000
+       }
+};
+
+static struct flash_platform_data mst_flash_data[2] = {
+       {
+               .map_name       = "cfi_probe",
+               .parts          = mainstoneflash0_partitions,
+               .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
+       }, {
+               .map_name       = "cfi_probe",
+               .parts          = NULL,
+               .nr_parts       = 0,
+       }
+};
+
+static struct platform_device mst_flash_device[2] = {
+       {
+               .name           = "pxa2xx-flash",
+               .id             = 0,
+               .dev = {
+                       .platform_data = &mst_flash_data[0],
+               },
+               .resource = &flash_resources[0],
+               .num_resources = 1,
+       },
+       {
+               .name           = "pxa2xx-flash",
+               .id             = 1,
+               .dev = {
+                       .platform_data = &mst_flash_data[1],
+               },
+               .resource = &flash_resources[1],
+               .num_resources = 1,
+       },
+};
+
+static void mainstone_backlight_power(int on)
+{
+       if (on) {
+               pxa_gpio_mode(GPIO16_PWM0_MD);
+               pxa_set_cken(CKEN0_PWM0, 1);
+               PWM_CTRL0 = 0;
+               PWM_PWDUTY0 = 0x3ff;
+               PWM_PERVAL0 = 0x3ff;
+       } else {
+               PWM_CTRL0 = 0;
+               PWM_PWDUTY0 = 0x0;
+               PWM_PERVAL0 = 0x3FF;
+               pxa_set_cken(CKEN0_PWM0, 0);
+       }
+}
+
+static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
+       .pixclock               = 50000,
+       .xres                   = 640,
+       .yres                   = 480,
+       .bpp                    = 16,
+       .hsync_len              = 1,
+       .left_margin            = 0x9f,
+       .right_margin           = 1,
+       .vsync_len              = 44,
+       .upper_margin           = 0,
+       .lower_margin           = 0,
+       .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
+       .pixclock               = 110000,
+       .xres                   = 240,
+       .yres                   = 320,
+       .bpp                    = 16,
+       .hsync_len              = 4,
+       .left_margin            = 8,
+       .right_margin           = 20,
+       .vsync_len              = 3,
+       .upper_margin           = 1,
+       .lower_margin           = 10,
+       .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mach_info mainstone_pxafb_info = {
+       .num_modes              = 1,
+       .lccr0                  = LCCR0_Act,
+       .lccr3                  = LCCR3_PCP,
+       .pxafb_backlight_power  = mainstone_backlight_power,
+};
+
+static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
+{
+       int err;
+
+       /*
+        * setup GPIO for PXA27x MMC controller
+        */
+       pxa_gpio_mode(GPIO32_MMCCLK_MD);
+       pxa_gpio_mode(GPIO112_MMCCMD_MD);
+       pxa_gpio_mode(GPIO92_MMCDAT0_MD);
+       pxa_gpio_mode(GPIO109_MMCDAT1_MD);
+       pxa_gpio_mode(GPIO110_MMCDAT2_MD);
+       pxa_gpio_mode(GPIO111_MMCDAT3_MD);
+
+       /* make sure SD/Memory Stick multiplexer's signals
+        * are routed to MMC controller
+        */
+       MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
+
+       err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
+                            "MMC card detect", data);
+       if (err) {
+               printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+               return -1;
+       }
+
+       return 0;
+}
+
+static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
+{
+       struct pxamci_platform_data* p_d = dev->platform_data;
+
+       if (( 1 << vdd) & p_d->ocr_mask) {
+               printk(KERN_DEBUG "%s: on\n", __FUNCTION__);
+               MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
+               MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
+       } else {
+               printk(KERN_DEBUG "%s: off\n", __FUNCTION__);
+               MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
+       }
+}
+
+static void mainstone_mci_exit(struct device *dev, void *data)
+{
+       free_irq(MAINSTONE_MMC_IRQ, data);
+}
+
+static struct pxamci_platform_data mainstone_mci_platform_data = {
+       .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
+       .init           = mainstone_mci_init,
+       .setpower       = mainstone_mci_setpower,
+       .exit           = mainstone_mci_exit,
+};
+
+static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
+{
+       unsigned long flags;
+
+       local_irq_save(flags);
+       if (mode & IR_SIRMODE) {
+               MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
+       } else if (mode & IR_FIRMODE) {
+               MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
+       }
+       if (mode & IR_OFF) {
+               MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
+       } else {
+               MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
+       }
+       local_irq_restore(flags);
+}
+
+static struct pxaficp_platform_data mainstone_ficp_platform_data = {
+       .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
+       .transceiver_mode = mainstone_irda_transceiver_mode,
+};
+
+static struct platform_device *platform_devices[] __initdata = {
+       &smc91x_device,
+       &mst_audio_device,
+       &mst_flash_device[0],
+       &mst_flash_device[1],
+};
+
+static int mainstone_ohci_init(struct device *dev)
+{
+       /* setup Port1 GPIO pin. */
+       pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN);  /* USBHPWR1 */
+       pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
+
+       /* Set the Power Control Polarity Low and Power Sense
+          Polarity Low to active low. */
+       UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
+               ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
+
+       return 0;
+}
+
+static struct pxaohci_platform_data mainstone_ohci_platform_data = {
+       .port_mode      = PMM_PERPORT_MODE,
+       .init           = mainstone_ohci_init,
+};
+
 static void __init mainstone_init(void)
 {
-       platform_add_device(&smc91x_device);
+       int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
+
+       mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
+       mst_flash_data[1].width = 4;
+
+       /* Compensate for SW7 which swaps the flash banks */
+       mst_flash_data[SW7].name = "processor-flash";
+       mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
+
+       printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
+              mst_flash_data[0].name);
+
+       /* system bus arbiter setting
+        * - Core_Park
+        * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
+        */
+       ARB_CNTRL = ARB_CORE_PARK | 0x234;
+
+       /*
+        * On Mainstone, we route AC97_SYSCLK via GPIO45 to
+        * the audio daughter card
+        */
+       pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD);
+
+       platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+
+       /* reading Mainstone's "Virtual Configuration Register"
+          might be handy to select LCD type here */
+       if (0)
+               mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
+       else
+               mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
+
+       set_pxa_fb_info(&mainstone_pxafb_info);
+
+       pxa_set_mci_info(&mainstone_mci_platform_data);
+       pxa_set_ficp_info(&mainstone_ficp_platform_data);
+       pxa_set_ohci_info(&mainstone_ohci_platform_data);
 }
 
 
 static struct map_desc mainstone_io_desc[] __initdata = {
-  { MST_FPGA_VIRT, MST_FPGA_PHYS, 0x00100000, MT_DEVICE }, /* CPLD */
+       {       /* CPLD */
+               .virtual        =  MST_FPGA_VIRT,
+               .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
+               .length         = 0x00100000,
+               .type           = MT_DEVICE
+       }
 };
 
 static void __init mainstone_map_io(void)
 {
        pxa_map_io();
        iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
+
+       /* initialize sleep mode regs (wake-up sources, etc) */
+       PGSR0 = 0x00008800;
+       PGSR1 = 0x00000002;
+       PGSR2 = 0x0001FC00;
+       PGSR3 = 0x00001F81;
+       PWER  = 0xC0000002;
+       PRER  = 0x00000002;
+       PFER  = 0x00000002;
+       /*      for use I SRAM as framebuffer.  */
+       PSLR |= 0xF04;
+       PCFR = 0x66;
+       /*      For Keypad wakeup.      */
+       KPC &=~KPC_ASACT;
+       KPC |=KPC_AS;
+       PKWR  = 0x000FD000;
+       /*      Need read PKWR back after set it.       */
+       PKWR;
 }
 
 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
-       MAINTAINER("MontaVista Software Inc.")
-       BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000))
-       MAPIO(mainstone_map_io)
-       INITIRQ(mainstone_init_irq)
-       INIT_MACHINE(mainstone_init)
+       /* Maintainer: MontaVista Software Inc. */
+       .phys_io        = 0x40000000,
+       .boot_params    = 0xa0000100,   /* BLOB boot parameter setting */
+       .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
+       .map_io         = mainstone_map_io,
+       .init_irq       = mainstone_init_irq,
+       .timer          = &pxa_timer,
+       .init_machine   = mainstone_init,
 MACHINE_END