linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / arch / arm / mach-lh7a40x / arch-lpd7a40x.c
index a691011..12e2327 100644 (file)
@@ -12,7 +12,6 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
-#include <linux/irq.h>
 
 #include <asm/hardware.h>
 #include <asm/setup.h>
 
 #include "common.h"
 
-#define CPLD_INT_NETHERNET     (1<<0)
-#define CPLD_INTMASK_ETHERNET  (1<<2)
-#if defined (CONFIG_MACH_LPD7A400)
-# define CPLD_INT_NTOUCH               (1<<1)
-# define CPLD_INTMASK_TOUCH    (1<<3)
-# define CPLD_INT_PEN          (1<<4)
-# define CPLD_INTMASK_PEN      (1<<4)
-# define CPLD_INT_PIRQ         (1<<4)
-#endif
-#define CPLD_INTMASK_CPLD      (1<<7)
-#define CPLD_INT_CPLD          (1<<6)
-
-#define CPLD_CONTROL_SWINT             (1<<7) /* Disable all CPLD IRQs */
-#define CPLD_CONTROL_OCMSK             (1<<6) /* Mask USB1 connect IRQ */
-#define CPLD_CONTROL_PDRV              (1<<5) /* PCC_nDRV high */
-#define CPLD_CONTROL_USB1C             (1<<4) /* USB1 connect IRQ active */
-#define CPLD_CONTROL_USB1P             (1<<3) /* USB1 power disable */
-#define CPLD_CONTROL_AWKP              (1<<2) /* Auto-wakeup disabled  */
-#define CPLD_CONTROL_LCD_ENABLE                (1<<1) /* LCD Vee enable */
-#define CPLD_CONTROL_WRLAN_NENABLE     (1<<0) /* SMC91x power disable */
-
-
 static struct resource smc91x_resources[] = {
        [0] = {
                .start  = CPLD00_PHYS,
@@ -71,12 +48,12 @@ static struct platform_device smc91x_device = {
 static struct resource lh7a40x_usbclient_resources[] = {
        [0] = {
                .start  = USB_PHYS,
-               .end    = (USB_PHYS + PAGE_SIZE),
+               .end    = (USB_PHYS + 0xFF),
                .flags  = IORESOURCE_MEM,
        },
        [1] = {
-               .start  = IRQ_USB,
-               .end    = IRQ_USB,
+               .start  = IRQ_USBINTR,
+               .end    = IRQ_USBINTR,
                .flags  = IORESOURCE_IRQ,
        },
 };
@@ -84,8 +61,7 @@ static struct resource lh7a40x_usbclient_resources[] = {
 static u64 lh7a40x_usbclient_dma_mask = 0xffffffffUL;
 
 static struct platform_device lh7a40x_usbclient_device = {
-//     .name           = "lh7a40x_udc",
-       .name           = "lh7-udc",
+       .name           = "lh7a40x_udc",
        .id             = 0,
        .dev            = {
                .dma_mask = &lh7a40x_usbclient_dma_mask,
@@ -125,7 +101,7 @@ static struct platform_device lh7a404_usbhost_device = {
 
 #endif
 
-static struct platform_devicelpd7a40x_devs[] __initdata = {
+static struct platform_device *lpd7a40x_devs[] __initdata = {
        &smc91x_device,
        &lh7a40x_usbclient_device,
 #if defined (CONFIG_ARCH_LH7A404)
@@ -137,52 +113,29 @@ extern void lpd7a400_map_io (void);
 
 static void __init lpd7a40x_init (void)
 {
-#if defined (CONFIG_MACH_LPD7A400)
-       CPLD_CONTROL |= 0
-               | CPLD_CONTROL_SWINT /* Disable software interrupt */
-               | CPLD_CONTROL_OCMSK; /* Mask USB1 connection IRQ */
+       CPLD_CONTROL |=     (1<<6); /* Mask USB1 connection IRQ */
        CPLD_CONTROL &= ~(0
-                         | CPLD_CONTROL_LCD_ENABLE     /* Disable LCD */
-                         | CPLD_CONTROL_WRLAN_NENABLE  /* Enable SMC91x */
+                         | (1<<1) /* Disable LCD */
+                         | (1<<0) /* Enable WLAN */
                );
-#endif
-
-#if defined (CONFIG_MACH_LPD7A404)
-       CPLD_CONTROL &= ~(0
-                         | CPLD_CONTROL_WRLAN_NENABLE  /* Enable SMC91x */
-               );
-#endif
 
        platform_add_devices (lpd7a40x_devs, ARRAY_SIZE (lpd7a40x_devs));
-#if defined (CONFIG_FB_ARMCLCD)
-        lh7a40x_clcd_init ();
-#endif
 }
 
 static void lh7a40x_ack_cpld_irq (u32 irq)
 {
-       /* CPLD doesn't have ack capability, but some devices may */
-
-#if defined (CPLD_INTMASK_TOUCH)
-       /* The touch control *must* mask the the interrupt because the
-        * interrupt bit is read by the driver to determine if the pen
-        * is still down. */
-       if (irq == IRQ_TOUCH)
-               CPLD_INTERRUPTS |= CPLD_INTMASK_TOUCH;
-#endif
+       /* CPLD doesn't have ack capability */
 }
 
 static void lh7a40x_mask_cpld_irq (u32 irq)
 {
        switch (irq) {
        case IRQ_LPD7A40X_ETH_INT:
-               CPLD_INTERRUPTS |= CPLD_INTMASK_ETHERNET;
+               CPLD_INTERRUPTS = CPLD_INTERRUPTS | 0x4;
                break;
-#if defined (IRQ_TOUCH)
-       case IRQ_TOUCH:
-               CPLD_INTERRUPTS |= CPLD_INTMASK_TOUCH;
+       case IRQ_LPD7A400_TS:
+               CPLD_INTERRUPTS = CPLD_INTERRUPTS | 0x8;
                break;
-#endif
        }
 }
 
@@ -190,18 +143,15 @@ static void lh7a40x_unmask_cpld_irq (u32 irq)
 {
        switch (irq) {
        case IRQ_LPD7A40X_ETH_INT:
-               CPLD_INTERRUPTS &= ~CPLD_INTMASK_ETHERNET;
+               CPLD_INTERRUPTS = CPLD_INTERRUPTS & ~ 0x4;
                break;
-#if defined (IRQ_TOUCH)
-       case IRQ_TOUCH:
-               CPLD_INTERRUPTS &= ~CPLD_INTMASK_TOUCH;
+       case IRQ_LPD7A400_TS:
+               CPLD_INTERRUPTS = CPLD_INTERRUPTS & ~ 0x8;
                break;
-#endif
        }
 }
 
-static struct irq_chip lpd7a40x_cpld_chip = {
-       .name   = "CPLD",
+static struct irqchip lpd7a40x_cpld_chip = {
        .ack    = lh7a40x_ack_cpld_irq,
        .mask   = lh7a40x_mask_cpld_irq,
        .unmask = lh7a40x_unmask_cpld_irq,
@@ -214,13 +164,11 @@ static void lpd7a40x_cpld_handler (unsigned int irq, struct irqdesc *desc,
 
        desc->chip->ack (irq);
 
-       if ((mask & (1<<0)) == 0)       /* WLAN */
+       if ((mask & 0x1) == 0)  /* WLAN */
                IRQ_DISPATCH (IRQ_LPD7A40X_ETH_INT);
 
-#if defined (IRQ_TOUCH)
-       if ((mask & (1<<1)) == 0)       /* Touch */
-               IRQ_DISPATCH (IRQ_TOUCH);
-#endif
+       if ((mask & 0x2) == 0)  /* Touch */
+               IRQ_DISPATCH (IRQ_LPD7A400_TS);
 
        desc->chip->unmask (irq); /* Level-triggered need this */
 }
@@ -256,21 +204,9 @@ void __init lh7a40x_init_board_irq (void)
 
                /* Then, configure CPLD interrupt */
 
-                       /* Disable all CPLD interrupts */
-#if defined (CONFIG_MACH_LPD7A400)
-       CPLD_INTERRUPTS = CPLD_INTMASK_TOUCH | CPLD_INTMASK_PEN
-               | CPLD_INTMASK_ETHERNET;
-       /* *** FIXME: don't know why we need 7 and 4. 7 is way wrong
-               and 4 is uncefined. */
-       // (1<<7)|(1<<4)|(1<<3)|(1<<2);
-#endif
-#if defined (CONFIG_MACH_LPD7A404)
-       CPLD_INTERRUPTS = CPLD_INTMASK_ETHERNET;
-       /* *** FIXME: don't know why we need 6 and 5, neither is defined. */
-       // (1<<6)|(1<<5)|(1<<3);
-#endif
+       CPLD_INTERRUPTS =   0x9c; /* Disable all CPLD interrupts */
        GPIO_PFDD       &= ~(1 << pinCPLD); /* Make input */
-       GPIO_INTTYPE1   &= ~(1 << pinCPLD); /* Level triggered */
+       GPIO_INTTYPE1   |=  (1 << pinCPLD); /* Edge triggered */
        GPIO_INTTYPE2   &= ~(1 << pinCPLD); /* Active low */
        barrier ();
        GPIO_GPIOFINTEN |=  (1 << pinCPLD); /* Enable */
@@ -280,7 +216,7 @@ void __init lh7a40x_init_board_irq (void)
        for (irq = IRQ_BOARD_START;
             irq < IRQ_BOARD_START + NR_IRQ_BOARD; ++irq) {
                set_irq_chip (irq, &lpd7a40x_cpld_chip);
-               set_irq_handler (irq, do_level_IRQ);
+               set_irq_handler (irq, do_edge_IRQ);
                set_irq_flags (irq, IRQF_VALID);
        }
 
@@ -290,109 +226,91 @@ void __init lh7a40x_init_board_irq (void)
                                 lpd7a40x_cpld_handler);
 }
 
-static struct map_desc lpd7a40x_io_desc[] __initdata = {
+static struct map_desc lpd7a400_io_desc[] __initdata = {
        {
-               .virtual        = IO_VIRT,
+               .virtual        =     IO_VIRT,
                .pfn            = __phys_to_pfn(IO_PHYS),
-               .length         = IO_SIZE,
+               .length         =           IO_SIZE,
                .type           = MT_DEVICE
-       },
-       {       /* Mapping added to work around chip select problems */
+       }, {    /* Mapping added to work around chip select problems */
                .virtual        = IOBARRIER_VIRT,
                .pfn            = __phys_to_pfn(IOBARRIER_PHYS),
                .length         = IOBARRIER_SIZE,
                .type           = MT_DEVICE
-       },
-       {
+       }, {
                .virtual        = CF_VIRT,
                .pfn            = __phys_to_pfn(CF_PHYS),
-               .length         = CF_SIZE,
+               .length         =       CF_SIZE,
                .type           = MT_DEVICE
-       },
-       {
+       }, {
                .virtual        = CPLD02_VIRT,
                .pfn            = __phys_to_pfn(CPLD02_PHYS),
-               .length         = CPLD02_SIZE,
+               .length         =       CPLD02_SIZE,
                .type           = MT_DEVICE
-       },
-       {
+       }, {
                .virtual        = CPLD06_VIRT,
                .pfn            = __phys_to_pfn(CPLD06_PHYS),
-               .length         = CPLD06_SIZE,
-               .type           = MT_DEVICE
-       },
-       {
-               .virtual        = CPLD08_VIRT,
-               .pfn            = __phys_to_pfn(CPLD08_PHYS),
-               .length         = CPLD08_SIZE,
+               .length         =       CPLD06_SIZE,
                .type           = MT_DEVICE
-       },
-       {
+       }, {
                .virtual        = CPLD08_VIRT,
                .pfn            = __phys_to_pfn(CPLD08_PHYS),
-               .length         = CPLD08_SIZE,
+               .length         =       CPLD08_SIZE,
                .type           = MT_DEVICE
-       },
-       {
-               .virtual        = CPLD0A_VIRT,
-               .pfn            = __phys_to_pfn(CPLD0A_PHYS),
-               .length         = CPLD0A_SIZE,
-               .type           = MT_DEVICE
-       },
-       {
+       }, {
                .virtual        = CPLD0C_VIRT,
                .pfn            = __phys_to_pfn(CPLD0C_PHYS),
-               .length         = CPLD0C_SIZE,
+               .length         =       CPLD0C_SIZE,
                .type           = MT_DEVICE
-       },
-       {
+       }, {
                .virtual        = CPLD0E_VIRT,
                .pfn            = __phys_to_pfn(CPLD0E_PHYS),
-               .length         = CPLD0E_SIZE,
+               .length         =       CPLD0E_SIZE,
                .type           = MT_DEVICE
-       },
-       {
+       }, {
                .virtual        = CPLD10_VIRT,
                .pfn            = __phys_to_pfn(CPLD10_PHYS),
-               .length         = CPLD10_SIZE,
+               .length         =       CPLD10_SIZE,
                .type           = MT_DEVICE
-       },
-       {
+       }, {
                .virtual        = CPLD12_VIRT,
                .pfn            = __phys_to_pfn(CPLD12_PHYS),
-               .length         = CPLD12_SIZE,
+               .length         =       CPLD12_SIZE,
                .type           = MT_DEVICE
-       },
-       {
+       }, {
                .virtual        = CPLD14_VIRT,
                .pfn            = __phys_to_pfn(CPLD14_PHYS),
-               .length         = CPLD14_SIZE,
+               .length         =       CPLD14_SIZE,
                .type           = MT_DEVICE
-       },
-       {
+       }, {
                .virtual        = CPLD16_VIRT,
                .pfn            = __phys_to_pfn(CPLD16_PHYS),
-               .length         = CPLD16_SIZE,
+               .length         =       CPLD16_SIZE,
                .type           = MT_DEVICE
-       },
-       {
+       }, {
                .virtual        = CPLD18_VIRT,
                .pfn            = __phys_to_pfn(CPLD18_PHYS),
-               .length         = CPLD18_SIZE,
+               .length         =       CPLD18_SIZE,
                .type           = MT_DEVICE
-       },
-       {
+       }, {
                .virtual        = CPLD1A_VIRT,
                .pfn            = __phys_to_pfn(CPLD1A_PHYS),
-               .length         = CPLD1A_SIZE,
+               .length         =       CPLD1A_SIZE,
                .type           = MT_DEVICE
        },
+       /* This mapping is redundant since the smc driver performs another. */
+/*     { CPLD00_VIRT,  CPLD00_PHYS,    CPLD00_SIZE,    MT_DEVICE }, */
 };
 
 void __init
-lpd7a40x_map_io(void)
+lpd7a400_map_io(void)
 {
-       iotable_init (lpd7a40x_io_desc, ARRAY_SIZE (lpd7a40x_io_desc));
+       iotable_init (lpd7a400_io_desc, ARRAY_SIZE (lpd7a400_io_desc));
+
+               /* Fixup (improve) Static Memory Controller settings */
+       SMC_BCR0 = 0x200039af;  /* Boot Flash */
+       SMC_BCR6 = 0x1000fbe0;  /* CPLD */
+       SMC_BCR7 = 0x1000b2c2;  /* Compact Flash */
 }
 
 #ifdef CONFIG_MACH_LPD7A400
@@ -402,7 +320,7 @@ MACHINE_START (LPD7A400, "Logic Product Development LPD7A400-10")
        .phys_io        = 0x80000000,
        .io_pg_offst    = ((io_p2v (0x80000000))>>18) & 0xfffc,
        .boot_params    = 0xc0000100,
-       .map_io         = lpd7a40x_map_io,
+       .map_io         = lpd7a400_map_io,
        .init_irq       = lh7a400_init_irq,
        .timer          = &lh7a40x_timer,
        .init_machine   = lpd7a40x_init,
@@ -417,7 +335,7 @@ MACHINE_START (LPD7A404, "Logic Product Development LPD7A404-10")
        .phys_io        = 0x80000000,
        .io_pg_offst    = ((io_p2v (0x80000000))>>18) & 0xfffc,
        .boot_params    = 0xc0000100,
-       .map_io         = lpd7a40x_map_io,
+       .map_io         = lpd7a400_map_io,
        .init_irq       = lh7a404_init_irq,
        .timer          = &lh7a40x_timer,
        .init_machine   = lpd7a40x_init,